CN119341701A

CN119341701A - A method and device used in a node for wireless communication

Info

Publication number: CN119341701A
Application number: CN202310884229.5A
Authority: CN
Inventors: 武露; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2025-01-21

Abstract

A method and apparatus in a node for wireless communication is disclosed. The method comprises the steps that a first node receives a first CSI reporting configuration, wherein the first CSI reporting configuration comprises a first RS resource set, the first RS resource set is used for channel measurement, the first RS resource set comprises one or more RS resources, a first information block is received, the first information block is used for determining at least one index, the first CSI reporting is sent, the cost of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition, the first condition is associated with the at least one index or the first condition is not associated with the at least one index.

Description

Method and apparatus in a node for wireless communication

Technical Field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission method and apparatus for wireless signals in a wireless communication system supporting a cellular network.

Background

The Network energy saving (Network ENERGY SAVING, NES) has important significance for the sustainability of the environment, the reduction of the influence on the environment (greenhouse gas emission) and the saving of the operation cost. With the popularity of 5G (the 5rd Generation Partnership Project, fifth generation partnership project) in industry and geographic areas, very high data rates are required to handle higher level services and applications (e.g., XR), resulting in denser networks, more antennas used, greater bandwidth, and more frequency bands. In order to keep the 5G impact on the environment within a controllable range, new solutions need to be studied to improve network power saving, so 3GPP (the 3rd Generation Partnership Project, third generation partnership project) RAN #94 conferences passed the Study Item (Study Item, SI) of "network power saving Study (Study ENERGY SAVINGS"), studies were developed on some key technologies such as active (active) transceiver chain (TRANSCEIVER CHAIN), active antenna panel (ANTENNA PANEL), update (update) CSI-RS (Channel Status Information-REFERENCE SIGNAL, channel state information-reference signal) configuration, etc.

Disclosure of Invention

It was found that how to determine the overhead of one CSI report is a key issue, which is obtained based on at least the RS resources used for channel measurements.

In view of the above, the present application discloses a solution. It should be noted that, in the description of the present application, energy saving is only taken as a typical application scenario or example, and the technical scheme in the present application is also applicable to other scenarios (such as other scenarios of non-base station energy saving, including but not limited to capacity enhancement systems, systems for near field communication, unlicensed frequency domain communication, ioT (Internet of Things, internet of things), URLLC (Ultra Reliable Low Latency Communication, ultra-robust low-latency communication) networks, internet of vehicles, etc.) that face similar problems, and similar technical effects can also be obtained. Furthermore, the adoption of a unified solution for different scenarios (including but not limited to base station power saving scenarios) also helps to reduce hardware complexity and cost. Embodiments in a first node of the application and features in embodiments may be applied to a second node and vice versa without conflict.

In particular, the term (Terminology), noun, function, variable in the present application may be interpreted (if not specifically described) with reference to the definitions in the 3GPP specification protocols TS36 series, TS38 series, TS37 series. Reference may be made to 3GPP standards TS38.211, TS38.212, TS38.213, TS38.214, TS38.215, TS38.321, TS38.331, TS38.305, TS38.304, TS37.355 as needed to aid in the understanding of the application.

The application discloses a method used in a first node of wireless communication, which is characterized by comprising the following steps:

Receiving a first CSI reporting configuration, the first CSI reporting configuration comprising a first set of RS resources, the first set of RS resources being used for channel measurements, the first set of RS resources comprising one or more RS resources;

Receiving a first information block, the first information block being used to determine at least one index;

sending a first CSI report;

The overhead of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition, where the first condition includes association with the at least one index, or the first condition includes non-association with the at least one index.

As one example, the problem to be solved by the present application includes how to determine the overhead of a CSI report.

As one embodiment, the method has the advantages that the method can be applied to a network energy-saving mode, and the energy efficiency of the network is improved.

As an embodiment, the method has the advantages that the relation between the overhead of the CSI reporting and the RS resource is determined through the first condition, the flexibility of the system is improved, and the method is suitable for transmission in different scenes.

As an embodiment, the benefits of the application include the adoption of appropriate overhead for CSI reporting.

As one embodiment, the benefits of the present application include reduced overhead for computing and transmitting CSI reports.

The benefits of the present application include, as one embodiment, reduced channel feedback information.

As one example, benefits of the present application include improving network capacity.

As an embodiment, the benefits of the application include improved transmission reliability.

As one example, the benefits of the present application include good backward compatibility, simplifying the system design.

According to one aspect of the application, the first set of time slots includes at least one transmission opportunity of each RS resource in the first set of RS resources that satisfies the first condition no later than the CSI reference resource for the first CSI report, and the RS resources in the first set of time slots of the first set of RS resources are used to obtain channel measurements for computing the first CSI report.

As an embodiment, the above method improves the robustness of the transmission by determining, by the first condition, the set of RS transmission occasions used to obtain the channel measurements used to calculate the first CSI report.

According to one aspect of the application, the overhead of the first CSI report depends on a first parameter, the first parameter depends on the total number of RS resources in the first RS resource set when each RS resource of the first RS resource set which is not later than the CSI reference resource reported by the first CSI meets the first condition, and the first parameter depends on the number of RS resources which are not later than the CSI reference resource reported by the first CSI and meet the first condition when at least one RS resource of the first RS resource set which is not later than the CSI reference resource reported by the first CSI does not meet the first condition.

As an embodiment, the method associates the overhead of the first CSI report with the first RS resource set through the first parameter, so that the relationship between CSI report and RS resources is simplified, the complexity of the network is reduced, and the flexibility of the network is improved.

According to one aspect of the application, the first CSI report comprises a first report amount, overhead of the first report amount depends on the first parameter, the first parameter depends on the total number of RS resources in the first RS resource set when each RS resource not later than the CSI reference resource reported by the first CSI in the first RS resource set meets the first condition, and the first parameter depends on the number of RS resources not later than the CSI reference resource reported by the first CSI in the first RS resource set and meeting the first condition when at least one RS resource not later than the CSI reference resource reported by the first CSI in the first RS resource set does not meet the first condition.

As an embodiment, the method specifies that the portion of the first CSI report that depends on the first parameter includes the first reporting amount, which is compatible with transmissions in different scenarios.

As an embodiment, the method indicates that a portion independent of the first parameter may exist in the first CSI report, which improves flexibility of the network and has good backward compatibility.

According to an aspect of the present application, the first CSI report includes a PMI, the PMI depends on a first set of spatial vectors, and the first report amount is at least one parameter or a set of parameters related to the first set of spatial vectors in the PMI.

As an embodiment, the method has good backward compatibility, simplifies the system design and reduces the complexity of the system.

According to one aspect of the application, the higher layer parameter indicates whether the overhead of the first CSI report depends on at least one RS resource in the first set of RS resources satisfying the first condition, or the overhead of the first CSI report depends on the first parameter, the first CSI report comprising a first indication, the first indication being used to determine whether the first parameter is the same as the total number of RS resources in the first set of RS resources.

As an embodiment, the method of higher layer parameter indication is compatible with transmission under different scenes, and flexibility and robustness of the system are improved.

As an embodiment, the first node simplifies the system design by sending the first indication, which is applicable to different transmission scenarios.

As an embodiment, the first node recommends a more appropriate CSI report by sending the first indication, simplifying the system design.

As an embodiment, the benefits of the above method include good backward compatibility.

As one example, benefits of the above method include increased flexibility of the system.

According to one aspect of the application, the first CSI reporting configuration comprises a second set of RS resources including one or more RS resources, wherein the second set of occasions includes transmission occasions of at least one RS resource in the second set of RS resources which are not later than the CSI reference resources of the first CSI reporting, and the second set of occasions is used for obtaining interference measurements used for calculating the first CSI reporting.

As an embodiment, the above method determines, through the second set of occasions, RS resources used to obtain interference measurements for calculating the first CSI report, thereby improving robustness of transmission.

The application discloses a method used in a second node of wireless communication, which is characterized by comprising the following steps:

transmitting a first CSI reporting configuration, the first CSI reporting configuration comprising a first set of RS resources, the first set of RS resources being used for channel measurements, the first set of RS resources comprising one or more RS resources;

Transmitting a first information block, the first information block being used to determine at least one index;

receiving a first CSI report;

The present application discloses a first node device used for wireless communication, which is characterized by comprising:

A first receiver receiving a first CSI reporting configuration, the first CSI reporting configuration comprising a first set of RS resources, the first set of RS resources being used for channel measurements, the first set of RS resources comprising one or more RS resources;

The first transmitter transmits a first CSI report;

The present application discloses a second node apparatus used for wireless communication, characterized by comprising:

A second transmitter that transmits a first CSI reporting configuration including a first set of RS resources used for channel measurement, the first set of RS resources including one or more RS resources; transmitting a first information block, the first information block being used to determine at least one index;

The second receiver receives the first CSI report;

As an embodiment, the present application has the following advantages over the conventional scheme:

Good backward compatibility, simplifying the system design;

-having a stronger robustness;

-being suitable for a plurality of application scenarios;

-improved transmission reliability;

-increased flexibility of the system;

-saving network energy;

-reducing channel information feedback overhead;

-system capacity is enhanced.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings in which:

Fig. 1 shows a first CSI reporting configuration, a first information block and a flow chart of a first CSI reporting according to an embodiment of the application;

FIG. 2 shows a schematic diagram of a network architecture according to one embodiment of the application;

fig. 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to an embodiment of the application;

FIG. 4 shows a schematic diagram of a first communication device and a second communication device according to one embodiment of the application;

FIG. 5 illustrates a flow chart of a transmission according to one embodiment of the application;

Fig. 6 shows a schematic diagram of channel measurements of the first CSI report according to an embodiment of the present application;

Fig. 7 is a schematic diagram illustrating a relationship among overhead of a first CSI report, a first parameter, the first RS resource set, and a first condition according to an embodiment of the present application;

Fig. 8 is a diagram illustrating a relationship among overhead of a first reporting amount, a first parameter, the first RS resource set, and a first condition according to one embodiment of the application;

Fig. 9 shows a schematic diagram of a relation among overhead of a first reporting amount, the first parameter and the first spatial vector group according to an embodiment of the application;

FIGS. 10A-10B are diagrams illustrating, respectively, an indication of overhead for a first CSI report, according to one embodiment of the present application, as shown in FIGS. 10A-10B;

fig. 11 shows a schematic diagram of interference measurement of the first CSI report according to an embodiment of the present application;

12A-12B are diagrams illustrating PMIs (Precoding Matrix Indicator, precoding indications) in the first CSI report, respectively, according to one embodiment of the present application;

Fig. 13 shows a block diagram of a processing arrangement for use in a first node device according to an embodiment of the application;

Fig. 14 shows a block diagram of a processing arrangement for a device in a second node according to an embodiment of the application.

Detailed Description

The technical scheme of the present application will be described in further detail with reference to the accompanying drawings, and it should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.

Example 1

Embodiment 1 illustrates a first CSI reporting configuration, a first information block, and a flow chart of the first CSI reporting according to an embodiment of the present application, as shown in fig. 1. In 100 shown in fig. 1, each block represents a step.

In embodiment 1, the first node in the present application receives a first CSI reporting configuration in step 101, receives a first information block in step 102, and transmits a first CSI report in step 103, wherein the first CSI reporting configuration includes a first RS resource set, the first RS resource set is used for channel measurement, the first RS resource set includes one or more RS resources, the first information block is used for determining at least one index, an overhead of the first CSI report depends on whether at least one RS resource in the first RS resource set satisfies a first condition, the first condition includes being associated with the at least one index, or the first condition includes not being associated with the at least one index.

As an embodiment, the first CSI (Channel Status Information, channel state information) reporting configuration is carried by higher layer signaling.

As an embodiment, the first CSI reporting configuration is carried by RRC signaling.

As an embodiment, the first CSI reporting configuration includes an RRC IE (Information Element ).

As an embodiment, the first CSI reporting configuration includes one or more RRC IEs.

As an embodiment, the first CSI reporting configuration is IE CSI-ReportConfig.

As an embodiment, the name of the first CSI reporting configuration includes CSI-ReportConfig.

As an embodiment, the first CSI reporting configuration includes one CSI resource configuration, and the one CSI resource configuration indicates the first RS resource set.

As an embodiment, the first CSI reporting configuration includes one CSI resource configuration indicating RS resources in the first RS resource set configured for channel measurement.

As an embodiment, the first CSI reporting configuration includes a plurality of CSI resource configurations, one CSI resource configuration of the plurality of CSI resource configurations indicating the first RS resource set.

As one embodiment, one CSI resource configuration indicating the first set of RS resources includes an identification or index of each RS resource in the first set of RS resources.

As an embodiment, the first CSI reporting configuration includes resourcesForChannelMeasurement fields.

As an embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement field, and the resourcesForChannelMeasurement field included in the first CSI reporting configuration indicates the first RS resource set.

For a specific definition of IE CSI-ReportConfig, resourcesForChannelMeasurement, IE CSI-ResourceConfig, see section 6.3.2 of 3gpp TS 38.331, as an example.

As an embodiment, the first CSI reporting configuration includes at least one CSI resource configuration, the at least one CSI resource configuration indicating the first RS resource set.

As an embodiment, the at least one CSI resource configuration comprises an identification or index of each RS resource in the first set of RS resources.

As an embodiment, one CSI resource configuration is one IE CSI-ResourceConfig.

As an embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement field, and the resourcesForChannelMeasurement field included in the first CSI reporting configuration indicates a CSI resource configuration.

As an embodiment, the first CSI reporting configuration comprises reportConfigType (reporting configuration type) fields, and the reportConfigType (reporting configuration type) fields in the first CSI reporting configuration indicate which of periodic (periodic), semi-persistent On PUSCH (SEMI PERSISTENT On PUSCH), semi-persistent On PUCCH (SEMI PERSISTENT On PUCCH), or aperiodic (aperiodic) the first CSI reporting is periodic.

As an embodiment, the first CSI reporting configuration indicates a reporting amount included in the first CSI reporting.

As an embodiment, the first CSI reporting configuration includes a reporting quality field, and the field in the first CSI reporting configuration indicates a reporting quality (reporting quality) included in the first CSI reporting.

As an embodiment, the channel measurement resources configured for the first CSI reporting include the first RS resource set.

As one embodiment, the first set of RS resources includes at least one RS resource configured for channel measurement.

As one embodiment, the first set of RS resources includes a plurality of RS resources configured for channel measurement.

As an embodiment, the first RS resource set is used for channel measurement of the first CSI report.

As an embodiment, the first set of RS resources includes at least one CSI-RS (CHANNEL STATE Information-REFERENCE SIGNAL ) resource.

As an embodiment, the first set of RS resources includes a plurality of CSI-RS resources.

As an embodiment, the first set of RS resources includes one or both of CSI-RS resources or SS/PBCH (Synchronization Signal/Physical Broadcast Channel ) block (block) resources.

As an embodiment, any RS resource in the first set of RS resources is a CSI-RS resource or an SS/PBCH block resource.

As an embodiment, the first set of RS resources includes one or both of CSI-RS resources or SSB resources.

As an embodiment, any RS resource in the first set of RS resources is a CSI-RS resource or an SSB resource.

As an embodiment, the SSB refers to Synchronization Signal Block (synchronization signal block).

As an example, the SSB refers to Synchronization Signal/Physical Broadcast Channel Block (synchronization signal/physical broadcast channel block).

As one embodiment, the SSB resource is an SS/PBCH block resource.

As an embodiment, the CSI-RS refers to CHANNEL STATE Information-REFERENCE SIGNAL (channel state Information-reference signal).

As an embodiment, any RS resource in the first set of RS resources is a CSI-RS resource.

As one embodiment, the RS resources in the first set of RS resources configured for channel measurement are CSI-RS resources.

As an embodiment, the RS resources in the first set of RS resources configured for channel measurement are SSB resources.

Typically, the CSI-RS resource in the present application is an NZP (Non-Zero Power) CSI-RS resource.

As an embodiment, the RS resources in the first set of RS resources configured for channel measurement are NZP (Non-Zero Power) CSI-RS resources.

As one embodiment, the CSI-RS resources in the first set of RS resources configured for channel measurement are NZP CSI-RS resources.

As an embodiment, the RS resources in the first set of RS resources configured for channel measurement include at least one of CSI-RS resources or SS/PBCH (Synchronization Signal/Physical Broadcast Channel ) block (block) resources.

As one embodiment, the RS resources in the first set of RS resources configured for channel measurement include at least one of CSI-RS resources or SSB resources.

As an embodiment, at least one RS resource in the first set of RS resources is a periodic RS resource.

As one embodiment, at least one RS resource in the first set of RS resources is a semi-persistent (semi-persistent) RS resource.

As an embodiment, any RS resource in the first set of RS resources is a periodic RS resource.

As an embodiment, any RS resource in the first set of RS resources is a semi-persistent (semi-persistent) RS resource.

As an embodiment, the first set of RS resources includes a plurality of periodic or semi-persistent (semi-persistent) CSI-RS resources.

As an embodiment, the first set of RS resources comprises a plurality of periodic CSI-RS resources.

As one embodiment, the first RS resource set includes a plurality of semi-persistent (semi-persistent) CSI-RS resources.

As an embodiment, any RS resource in the first set of RS resources is a periodic or semi-persistent CSI-RS resource.

As an embodiment, any RS resource in the first set of RS resources is a periodic CSI-RS resource.

As one embodiment, any RS resource in the first set of RS resources is a semi-persistent (CSI-RS) resource.

As an embodiment, the periodicity and slot offset (slotoffset) of the CSI-RS resources in the first set of RS resources are configured by the parameter CSI-ResourcePeriodicityAndOffset in the higher layer parameter reportSlotConfig, the periodicity of the CSI-RS resources in the first set of RS resources being in units of slots (slots).

As an embodiment, the first CSI reporting configuration includes a higher layer parameter timeRestrictionForChannelMeasurements, and the higher layer parameter timeRestrictionForChannelMeasurements in the first CSI reporting configuration is set (set) to "notConfigured".

As an embodiment, the channel measurement for calculating the first CSI report is obtained based on at least one RS resource in the first RS resource set that is not later than the CSI reference resource of the first CSI report.

As an embodiment, at least one RS resource of the first set of RS resources that is no later than the CSI reference resource reported by the first CSI satisfies the first condition, and the RS resource of the first set of RS resources that is no later than the CSI reference resource reported by the first CSI and that satisfies the first condition is used to obtain channel measurements for calculating the first CSI report.

As an embodiment, at least one RS resource in the first set of RS resources that is no later than the CSI reference resource reported by the first CSI does not meet the first condition, and the at least one RS resource is not used to obtain a channel measurement for calculating the first CSI report.

The specific algorithm used to calculate the first CSI report is determined by the manufacturer of the first node or is implementation dependent, subject to the limitations of the method or embodiment described above. Several exemplary but non-limiting embodiments are described below:

An embodiment comprises that the first CSI report comprises CRI and CQI, the CRI included in the first CSI report is used for indicating a first CSI-RS resource, the first CSI-RS resource is one RS resource in the first RS resource set, the first node firstly measures the first CSI-RS resource to obtain a channel parameter matrix H _r×t, wherein r and t are the number of receiving antennas and the number of antenna ports of the first CSI-RS resource respectively, and performs power adjustment on the channel parameter matrix H _r×t, and the adjusted channel parameter matrix is Where P is the assumed ratio of PDSCHEPRE to the first CSI-RSEPRE (i.e., the first power control offset), and the precoded channel parameter matrix is under the condition of using the precoding matrix W _t×l Where l is the rank (rank) or the number of layers, in one case l is a positive integer not greater than t, and in another case the precoding matrix is an identity matrix, where t=l, and calculating the equivalent channel capacity of H _r×t·W_t×1 using, for example, SINR (SIGNAL INTERFERENCE Noise Ratio, signal to interference and Noise Ratio), EESM (Exponential EFFECTIVE SINR MAPPING ), or RBIR (Received Block mean mutual Information Ratio, block average mutual information rate) criteria, and then determining the CQI included in the first CSI report by means of a table look-up or the like from the equivalent channel capacity. In general, the calculation of equivalent channel capacity requires the first node to estimate interference (including noise), which can be obtained by the first node with the measurement of the second set of opportunities in the present application. In general, the direct mapping of the equivalent channel capacity to the CQI value depends on the receiver performance, or hardware related factors such as the modulation scheme.

An embodiment in which the first CSI report comprises CRI, RI, PMI and CQI, the CRI comprised by the first CSI report being used to indicate a first CSI-RS resource, the first CSI-RS resource being one of the first set of RS resources; the first node firstly measures the first CSI-RS resource for obtaining a channel parameter matrix H _r×t, wherein r and t are respectively the number of receiving antennas and the number of antenna ports of the first CSI-RS resource, the first node determines RI included in the first CSI report as a possible implementation manner depending on other channel characteristics such as channel parameter matrix H _r×t or Doppler expansion, the first node determines PMIs included in the first CSI report as a possible implementation manner depending on other channel characteristics such as channel parameter matrix H _r×t or Doppler expansion, the first node determines PMIs included in the first CSI report as a possible implementation manner, the first node determines 5.2.2.2 section of the description reference 3GPP 38.214 of the generation and indication of PMIs included in the first CSI report, the first node determines PMIs included in the first CSI report and the indication of 37.54-3GPP Chair's notes RAN1#112bis as a possible implementation manner, the first node performs power adjustment for the first channel parameter matrix _r×t or the first channel parameter _r×t, and the rank is assumed to be the first channel parameter _r×t, the rank is adjusted to be the first channel parameter matrixWhere P is the assumed ratio of PDSCHEPRE to the first CSI-RSEPRE (i.e., the first power control offset), and the precoded channel parameter matrix is under the condition of using the precoding matrix W _t×l The equivalent channel capacity of H _r×t·W_t×l is calculated using, for example, SINR (SIGNAL INTERFERENCE Noise Ratio, signal-to-interference-and-Noise Ratio), EESM (Exponential EFFECTIVE S1NR MAPPING, exponential effective SINR mapping), or RBIR (Received Block mean mutual Information Ratio, block average mutual information rate) criteria, and then the CQI included in the first CSI report is determined from the equivalent channel capacity by means of table look-up or the like. In general, the calculation of equivalent channel capacity requires the first node to estimate interference (including noise), which can be obtained by the first node with the measurement of the second set of opportunities in the present application. In general, the direct mapping of the equivalent channel capacity to the CQI value depends on the receiver performance, or hardware related factors such as the modulation scheme.

An embodiment wherein the first CSI report comprises CRI and CQI, the CRI comprised by the first CSI report being used to indicate a first set of CSI-RS resources comprising at least one RS resource of the first set of RS resources, the first node first measuring for each CSI-RS resource of the first set of CSI-RS resources for obtaining a channel parameter matrixWherein r, t ⁿ are the number of receiving antennas and the antenna port number of the nth CSI-RS resource in the first CSI-RS resource set respectively, and the channel parameter matrix is obtainedPerforming power adjustment, wherein the adjusted channel parameter matrix is as followsWherein P ⁿ is the ratio of PDSCH EPRE to the nth CSI-RS EPRE in the first CSI-RS resource set (namely the first power control offset), and the pre-coded channel parameter matrix is under the condition of adopting a pre-coding matrix W _t×l Where l is the rank (rank) or the number of layers, in one case l is a positive integer not greater than t, whereIn another case the precoding matrix is an identity matrix, where t=l, calculated using e.g. SINR (SIGNAL INTERFERENCE Noise Ratio, signal to interference plus Noise Ratio), EESM (Exponential EFFECTIVE SINR MAPPING ), or RBIR (Received Block mean mutual Information Ratio, block average mutual information rate) criteriaAnd then determining the CQI included in the first CSI report by the equivalent channel capacity through a table look-up mode and the like. In general, the calculation of equivalent channel capacity requires the first node to estimate interference (including noise), which can be obtained by the first node with the measurement of the second set of opportunities in the present application. In general, the direct mapping of the equivalent channel capacity to the CQI value depends on the receiver performance, or hardware related factors such as the modulation scheme.

An embodiment wherein the first CSI report comprises CRI and CQI, the CRI comprised by the first CSI report being used to indicate a first set of CSI-RS resources comprising at least one RS resource of the first set of RS resources, the first node first measuring for each CSI-RS resource of the first set of CSI-RS resources for obtaining a channel parameter matrixWherein r, t ⁿ are the number of receiving antennas and the number of antenna ports of the nth CSI-RS resource in the first CSI-RS resource set, respectively, the first node determines an RI included in the first CSI report, and as a possible implementation manner, the first node determines that the RI included in the first CSI report depends on a channel parameter matrixOr other channel characteristics such as Doppler spread, the first node determines the PMI included in the first CSI report, and as a possible implementation manner, the first node determines that the PMI included in the first CSI report depends on a channel parameter matrixOr Doppler spread, as one possible implementation, the description of the generation and indication of the PMI included in the first CSI report refers to section 9.1.2 in 3GPP Chair's notes RAN1#112bis-e, assuming that the first node determines that the precoding matrix corresponding to the PMI included in the first CSI report is W _t×l, where l is rank (rank) or the number of layers, and l corresponds to the RI included in the first CSI report, where l is a positive integer not greater than t, where For channel parameter matrixPerforming power adjustment, wherein the adjusted channel parameter matrix is as followsWherein P ⁿ is the ratio of PDSCH EPRE to the nth CSI-RS EPRE in the first CSI-RS resource set (namely the first power control offset), and the pre-coded channel parameter matrix is under the condition of adopting a pre-coding matrix W _t×l Calculation using, for example, SINR (SIGNAL INTERFERENCE Noise Ratio, signal-to-interference-and-Noise Ratio), EESM (Exponential EFFECTIVE SINR MAPPING ), or RBIR (Received Block mean mutual Information Ratio, block average mutual information rate) criteriaAnd then determining the CQI included in the first CSI report by the equivalent channel capacity through a table look-up mode and the like. In general, the calculation of equivalent channel capacity requires the first node to estimate interference (including noise), which can be obtained by the first node with the measurement of the second set of opportunities in the present application. In general, the direct mapping of the equivalent channel capacity to the CQI value depends on the receiver performance, or hardware related factors such as the modulation scheme.

As an embodiment, the first information block includes a MAC PDU (Protocol Data Unit ).

As an embodiment, the first information block includes MAC subheader.

As an embodiment, the first information block includes a MAC PDU.

As an embodiment, the first information block is carried by physical layer signaling.

As an embodiment, the first information block is carried by at least physical layer signaling of MAC CE or physical layer signaling.

As an embodiment, the first information block is carried by DCI (Downlink Control Information ).

As an embodiment, the first information block is carried by at least DCI signaling in MAC CE or DCI signaling.

As an embodiment, the first information block is carried by a MIB.

As an embodiment, the first information block is carried by a SIB.

As an embodiment, the first information block is carried by cell-specific (cell-specific) signaling.

As an embodiment, the first information block is carried by cell-specific higher layer signaling.

As an embodiment, the first information block is carried by a cell-specific DCI.

As an embodiment, the first information block is cell-specific.

As an embodiment, the first information block is carried by a signaling common to the user groups (UE-group common).

As an embodiment, the first information block is carried by higher layer signaling of a user group common (UE-group common).

As an embodiment, the first information block is carried by DCI of a user group common (UE-group common).

As an embodiment, the first information block is common to a user group (UE-group common).

As an embodiment, the first information block is carried by user specific (UE-specific) signaling.

As an embodiment, the first information block is carried by user-specific (UE-specific) higher layer signaling.

As an embodiment, the first information block is carried by user specific (UE-specific) DCI.

As an embodiment, the first information block is user specific (UE-specific).

As an embodiment, the first information block indicates the at least one index.

As an embodiment, the first information block indicates each index of the at least one index.

As an embodiment, the first information block explicitly indicates the at least one index.

As an embodiment, the first information block implicitly indicates the at least one index by indicating other information.

As an embodiment, the at least one index includes one or more of an RS resource index, an RS resource set index, a TCI state index, an antenna port index, an index of an antenna port group, an index of an antenna port set, an RS port index, CORESET index, CORESET pool index, a cell index, or a PCI (PHYSICAL CELL IDENTITY ).

As an embodiment, the at least one index comprises one index.

As an embodiment, the at least one index comprises a plurality of indexes.

As an embodiment, the at least one index comprises one or more indexes.

As an embodiment, any one of the at least one index is a non-negative integer.

As an embodiment, the at least one index comprises one index, and the any one of the at least one index is the at least one index.

As one embodiment, the at least one index includes a plurality of indexes, and the arbitrary index of the at least one index is an arbitrary index of the plurality of indexes.

As an embodiment, any one of the at least one index indicates one RS (Reference Signal) resource.

As an embodiment, one index of the at least one index indicates one RS resource.

As an embodiment, any one of the at least one index is used to identify one RS resource.

As one embodiment, one of the at least one index is used to identify one RS resource.

As an embodiment, any one of the at least one index indicates a set of RS resources.

As one embodiment, one of the at least one index indicates a set of RS resources.

As one embodiment, any of the at least one index is used to identify a set of RS resources.

As one embodiment, one of the at least one index is used to identify a set of RS resources.

As one embodiment, one of the at least one Index is one of NZP-CSI-RS-resource id, SSB-Index or SRS-ResourceId.

As an embodiment, any of the at least one Index is one of NZP-CSI-RS-resource id, SSB-Index or SRS-ResourceId.

As one embodiment, any of the at least one index indicates a TCI (Transmission Configuration Indicator) state (state).

As one embodiment, one of the at least one index indicates a TCI state.

As one embodiment, any of the at least one index is used to identify a TCI state.

As one embodiment, one of the at least one index is used to identify a TCI state.

As one embodiment, any one of the at least one index indicates a set of TCI states.

As one embodiment, one of the at least one index indicates a set of TCI states.

As one embodiment, one of the at least one index is one of TCI-StateId or TCI-UL-State-Id.

As one embodiment, any of the at least one index is one of TCI-StateId or TCI-UL-State-Id.

As an embodiment, any one of the at least one index indicates one antenna port.

As an embodiment, one index of the at least one index indicates one antenna port.

As one embodiment, any one of the at least one index indicates a set of antenna ports.

As an embodiment, one index of the at least one index indicates a set of antenna ports.

As an embodiment, the antenna port comprises an RS port.

As an embodiment, the antenna port comprises at least one of a CSI-RS port or an SRS port.

As an embodiment, any one of the at least one index indicates one TRP (TRANSMITTER RECEIVER Point).

As one embodiment, one index of the at least one index indicates one TRP.

As an embodiment, any one of the at least one index indicates one antenna panel (panel).

As an embodiment, one index of the at least one index indicates one antenna panel.

As an embodiment, one of the at least one index indicates one cell.

As an embodiment, any one of the at least one index indicates a cell.

As an embodiment, one of the at least one index is used to identify one cell or TRP.

As an embodiment, any one of the at least one index is used to identify one cell or TRP.

As an embodiment, one index of the at least one index indicates one CORESET.

As one embodiment, one of the at least one index is used to identify one CORESET.

As an embodiment, any one of the at least one index indicates one CORESET.

As an embodiment, any one of the at least one index is used to identify one CORESET.

As an embodiment, one index of the at least one index indicates one CORESET pool.

As one embodiment, one of the at least one index is used to identify one CORESET pool.

As an embodiment, any one of the at least one index indicates one CORESET pool.

As an embodiment, any one of the at least one index is used to identify one CORESET pool.

As an embodiment, one index of the at least one index indicates one PCI.

For one embodiment, one of the at least one index is used to identify a PCI.

As an embodiment, any one of the at least one index indicates a PCI.

For one embodiment, any of the at least one index is used to identify a PCI.

As an embodiment, one of the at least one index indicates one serving cell.

As an embodiment, one of the at least one index indicates a PCI different from the PCI of the serving cell.

As an embodiment, one index of the at least one index indicates a PCI corresponding cell or TRP different from the PCI of the serving cell.

As an embodiment, one of the at least one index is a cell index.

As an embodiment, any one of the at least one index is a cell index.

As one embodiment, the cell index includes one or more of PHYSCELLID, SCELLINDEX or ServCellIndex.

As one embodiment, the cell index includes one or more of PHYSCELLID, SCELLINDEX, SERVCELLINDEX or AdditionalPCIIndex.

As an embodiment, two indexes exist in the at least one index to indicate one RS resource and one TCI state, respectively.

As an embodiment, two indexes among the at least one index indicate one RS resource and one CORESET pool, respectively.

As an embodiment, there are two indexes in the at least one index indicating one TCI state and one CORESET pool, respectively.

As an embodiment, the CSI reference resource reported by the first CSI is a frequency domain resource for which the first CSI is reported in a frequency domain.

As an embodiment, the CSI reference resource of the first CSI report is a subband (subband) or a wideband to which the first CSI report is directed in a frequency domain.

As an embodiment, the CSI reference resource reported by the first CSI belongs to the same BWP (Bandwidth Part) on the frequency domain as the frequency domain resource for which the first CSI is reported.

As an embodiment, the CSI reference resource reported by the first CSI is a first downlink time slot in a time domain, the first downlink time slot depends on a second uplink time slot, and the second uplink time slot is an uplink time slot for transmitting the first CSI report.

As an embodiment, the CSI reference resource reported by the first CSI is a first downlink timeslot in the time domain.

As an embodiment, the CSI reference resource reported by the first CSI is a downlink slot (downlink slot).

As an embodiment, the CSI reference resource reported by the first CSI depends on a second uplink timeslot.

As an embodiment, the first downlink time slot depends on the second uplink time slot.

As an embodiment, the second uplink time slot is an uplink time slot n'.

As an embodiment, the second uplink timeslot is an uplink timeslot where the first CSI report is sent.

As an embodiment, the second uplink timeslot is an uplink timeslot where a PUCCH carrying the first CSI report is located.

As an embodiment, the second uplink timeslot is an uplink timeslot where a PUSCH carrying the first CSI report is located.

As an embodiment, the first information block is received earlier than the first downlink time slot.

As an embodiment, the first downlink time slot is not earlier than the time of validity of the at least one index.

As an embodiment, the description of the CSI reference resource reported by the first CSI refers to section 5.2.2.5 of 3gpp ts 38.214.

As an embodiment, the first downlink time slot is a downlink time slotWhere K _offset is configured by higher layer signaling,Is the subcarrier spacing configuration of K _offset (subcarrier spacing configuration).

As an embodiment, n _{CSI_ref} is not less thanIs a minimum of (2).

As an embodiment, the n is the sum of the first component and the second component.

As an embodiment, the first component is an integer.

As one embodiment, the first component isWhere mu _DL and mu _uL are downlink and uplink subcarrier spacing configurations respectively,Indicating that the rounding down is performed on x.

As an embodiment, the second component is an integer.

As an embodiment, the second component isWherein the method comprises the steps ofAnd μ _offset is configured by the higher layer parameters ca-SlotOffset, the detailed description of which is referred to section 4.5 of 3GPP TS 38.211.

As one embodiment, the n is

As an embodiment, the first downlink time slot is a downlink time slot

As an embodiment, the first CSI reporting configuration is configured to configure one aperiodic (aperiodic) CSI report, where the first CSI report is the one aperiodic CSI report configured by the first CSI reporting configuration.

As an embodiment, the first CSI reporting configuration is configured to configure a periodic or semi-persistent CSI report, and the first CSI report is a single report of the periodic or semi-persistent CSI report configured by the first CSI reporting configuration (a reporting instance).

As an embodiment, the first CSI reporting configuration is configured to configure one periodic CSI report, and the first CSI report is one report of the periodic CSI report configured by the first CSI reporting configuration.

As an embodiment, the first CSI reporting configuration is configured to configure one semi-persistent CSI report, and the first CSI report is one report of the semi-persistent CSI report configured by the first CSI reporting configuration.

As an embodiment, the first CSI report is transmitted on a physical channel.

As an embodiment, the first CSI report is transmitted on PUSCH (Physical Uplink SHARED CHANNEL ).

As an embodiment, the first CSI report is transmitted on PUCCH (Physical Uplink Control Channel ).

As an embodiment, the first CSI report includes N RS indices, any one of which is used to indicate or identify one RS resource in the first RS resource set, and N is a positive integer greater than 1.

As a sub-embodiment of the above embodiment, the N RS indexes are different from each other.

As a sub-embodiment of the above embodiment, two RS indices of the N RS indices are the same.

As an embodiment, the first CSI reporting is periodic or semi-persistent.

As an embodiment, the first CSI report is semi-persistent, and the first CSI report is activated by one MAC CE.

As an embodiment, the name of the MAC CE that activates the first CSI report includes SP CSI reporting on PUCCH Activation MAC CE.

As an embodiment, the first CSI report is aperiodic, and the first CSI report is triggered by one DCI (Downlink Control Information ), the one DCI including a CSI request field, the CSI request field of the one DCI being used to indicate one trigger state (TRIGGER STATE), the one trigger state indicating the first CSI report configuration.

As an embodiment, the first CSI report is semi-persistent, and the first node sends the first CSI report on PUCCH when the first node receives an activate command (activation command).

As an embodiment, the one activation command (activation command) includes SP CSI reporting on PUCCH Activation MAC CE.

As an embodiment, the first CSI report is semi-persistent, and the first node sends the first CSI report on PUSCH when the first node is triggered by the one DCI.

As one embodiment, at least one RS resource of the first set of RS resources is used in a power save (ENERGY SAVING) mode of the second node.

As an embodiment, the at least one RS resource of the first set of RS resources is used in a power saving mode of a cell.

As an embodiment, the reporting amount included in the first CSI report includes at least one of CQI (Channel qualit yindicator, channel quality indication), PMI (Precoding Matrix Indicator, precoding indication), CRI (CSI-RS Resource Indicator, channel state information reference signal resource indication), SS/PBCH block resource indication (SS/PBCH Block Resource Indicator, SSBRI), layer indication (Layer Indicator, LI), RI (Rank Indicator), L1-RSRP (Layer 1reference signal received power ), or L1-SINR (Layer 1signal-to-noise AND INTERFERENCE ratio).

As an embodiment, the first CSI report includes CRI or SSBRI, and L1-RSRP.

As an embodiment, the first CSI report includes CRI or SSBRI, and L1-SINR.

As an embodiment, the CRI refers to CSI-RS resource indicator, CSI-RS resource indicator.

As one embodiment, SSBRI refers to SS/PBCH Block Resource indicator, SS/PBCH Block resource indicators.

As an embodiment, the first CSI report includes at least CRI.

As an embodiment, the first CSI report includes at least a CQI.

As an embodiment, the first CSI report includes at least CRI and CQI.

As an embodiment, the first CSI report includes CRI, RI, PMI and CQI.

As an embodiment, the first CSI report includes CRI, RI, LI, PMI and CQI.

As an embodiment, the first CSI report includes CRI, RI, and PMI.

As an embodiment, the first CSI report includes CRI, RI, and CQI.

As an embodiment, the first CSI report includes CRI and RSRP.

As an embodiment, the first CSI report includes CRI and L1-RSRP.

As an embodiment, the first CSI report includes CRI and L1-SINR.

As an embodiment, the first CSI report includes at least CRI, where the CRI included in the first CSI report is used to indicate a first CSI-RS resource, and the first CSI-RS resource is one RS resource in the first RS resource set.

As an embodiment, the overhead of the first CSI report includes the number of bits included in the first CSI report.

The overhead of a report amount includes, as one embodiment, the number of bits that a report amount includes.

As an embodiment, the overhead of the first CSI report includes the number of timeslots occupied by the first CSI report.

As an embodiment, the overhead of the first CSI report includes the number of RE (Resource Element) resources occupied by the first CSI report.

As an embodiment, the overhead of the first CSI report includes the number of processing units (CSI Processing Unit, CPU) required for the first CSI report.

As an embodiment, the overhead of the first CSI report includes a calculation time (CSI computation time, calculation time) required for the first CSI report.

As an embodiment, the overhead of the first CSI report includes one or more of the number of bits included in the first CSI report, the number of time slots occupied by the first CSI report, the number of RE (Resource Element) resources occupied by the first CSI report, the number of processing units (CSI Processing Unit, CPU) required for the first CSI report, or the calculation time (CSI computation time, calculation time) required for the first CSI report.

As an embodiment, the overhead of the first CSI report includes the number of antenna ports associated with the first CSI report.

As an embodiment, the overhead of the first CSI report includes the TRP or the number of antenna panels associated with the first CSI report.

As an embodiment, the overhead of the first CSI report includes one or more of the number of antenna ports associated with the first CSI report and the number of TRPs or antenna panels associated with the first CSI report.

As an embodiment, at least one RS resource in the first RS resource set that is not later than the CSI reference resource reported by the first CSI satisfies the first condition.

As an embodiment, the plurality of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI satisfy the first condition.

As an embodiment, at least one RS resource in the first RS resource set is no later than the CSI reference resource reported by the first CSI is later than the time of validation of the at least one index.

As an embodiment, at least one RS resource in the first RS resource set that is not later than the CSI reference resource reported by the first CSI is within an effective time of the at least one index.

As an embodiment, the "whether the overhead of the first CSI report depends on whether at least one RS resource in the first RS resource set satisfies the first condition" includes whether each RS resource in the first RS resource set satisfies the first condition.

As an embodiment, the "whether the overhead of the first CSI report depends on whether at least one RS resource in the first RS resource set satisfies the first condition" includes that the overhead of the first CSI report depends on whether one RS resource in the first RS resource set does not satisfy the first condition.

As an embodiment, the "whether the at least one RS resource in the first RS resource set satisfies the first condition" is dependent on the overhead of the first CSI reporting "includes that the overhead of the first CSI reporting is dependent on the number of RS resources in the first RS resource set that satisfy the first condition.

As an embodiment, the "whether the at least one RS resource in the first RS resource set satisfies the first condition" is dependent on the overhead of the first CSI report "includes that the overhead of the first CSI report is dependent on the number of RS resources in the first RS resource set that do not satisfy the first condition.

As one embodiment, the first CSI reporting includes K reporting amounts, K is a positive integer greater than 1, and the "whether the overhead of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition" includes whether the overhead of one or more reporting amounts in the K reporting amounts depends on whether at least one RS resource in the first RS resource set meets the first condition.

As one embodiment, the first CSI reporting includes K reporting amounts, K is a positive integer greater than 1, and the "whether the overhead of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition" includes whether the overhead of one reporting amount of the K reporting amounts depends on whether at least one RS resource in the first RS resource set meets the first condition.

As one embodiment, the first CSI reporting includes K reporting amounts, K is a positive integer greater than 1, and the "whether the overhead of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition" includes whether the overhead of each reporting amount in the K reporting amounts depends on whether at least one RS resource in the first RS resource set meets the first condition.

As one embodiment, the first CSI reporting includes K reporting amounts, K is a positive integer greater than 1, and the "whether the overhead of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition" includes whether the overhead of part of the reporting amounts in the K reporting amounts all meet the first condition.

As an embodiment, the K reported amounts include a plurality of CQI (Channel quality Indicator, channel quality indication), PMI (Precoding Matrix Indicator, precoding indication), CRI (CSI-RS Resource Indicator, channel state information reference signal resource indication), SS/PBCH block resource indication (SS/PBCH Block Resource Indicator, SSBRI), layer Indicator (LI), RI (Rank Indicator), L1-RSRP (Layer 1reference signal received power ), or L1-SINR (Layer 1signal-to-noise AND INTERFERENCE ratio).

As one embodiment, the K reported amounts include CRI or SSBRI, and L1-RSRP.

As an embodiment, the K reported amounts include CRI or SSBRI, and L1-SINR.

As an embodiment, the K reported amounts include at least CRI.

As an embodiment, the K reported amounts include at least CQI.

As an embodiment, the K reported amounts include at least CRI and CQI.

As an embodiment, the K reported amounts include CRI, RI, PMI and CQI.

As an embodiment, the K reported amounts include CRI, RI, LI, PMI and CQI.

As one embodiment, the K reported amounts include CRI, RI, and PMI.

As one embodiment, the K reported amounts include CRI, RI, and CQI.

As one embodiment, the K reported amounts include CRI and RSRP.

As one embodiment, the K reported amounts include CRI and L1-RSRP.

As one embodiment, the K reported amounts include CRI and L1-SINR.

As an embodiment, the K reported amounts include at least CRI, where the CRI included in the K reported amounts is used to indicate a first CSI-RS resource, and the first CSI-RS resource is one RS resource in the first RS resource set.

As an embodiment, the first condition comprises a transmission opportunity not earlier than a validation time of the at least one index and is associated with the at least one index.

The first condition, as one embodiment, includes an RS resource associated with the at least one index and the at least one index is used to indicate activated.

As one embodiment, the first condition includes a TCI state associated with the at least one index and the at least one index is used to indicate activated.

As one embodiment, the first condition includes being associated with the at least one index and the at least one index being used to indicate an activated antenna port.

As one embodiment, the first condition includes CORESET associated with the at least one index and the at least one index is used to indicate activated.

As one embodiment, the first condition includes CORESET pool associated with the at least one index and the at least one index is used to indicate activated.

As one embodiment, the first condition includes a TRP or antenna panel associated with the at least one index and the at least one index is used to indicate activated.

As an embodiment, the first condition comprises being associated with the at least one index and the at least one index being used to indicate activated cells.

As one embodiment, the first condition includes one or more of an RS resource being activated, a TCI state being activated, an antenna port being activated, CORESET being activated, CORESET pool being activated, a TRP being activated, an antenna panel being activated, or a cell being activated, being associated with the at least one index.

As an embodiment, the at least one index is used to indicate activated RS resources.

As one embodiment, the at least one index is used to indicate the activated TCI state.

As an embodiment, the at least one index is used to indicate activated antenna ports.

As an embodiment, the at least one index is used to indicate CORESET that is activated.

As an embodiment, the at least one index is used to indicate CORESET pool that is activated.

As an embodiment, the at least one index is used to indicate the activated TRP or antenna panel.

As an embodiment, the at least one index is used to indicate activated cells.

As one embodiment, the at least one index is used to indicate one or more of an activated RS resource, an activated TCI state, an activated antenna port, an activated CORESET, an activated CORESET pool, an activated TRP, an activated antenna panel, or an activated cell.

As one embodiment, the activated meaning includes a non-zero power.

As one embodiment, the activated means includes active.

As one embodiment, the activated meaning includes being sent.

As one embodiment, the activated meaning includes validating.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the at least one index is used to indicate or identify the one RS resource.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the at least one index is used to indicate or identify that the RS resource comprises the one RS resource.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the one RS resource indicated or identified by the at least one index are quasi co-located.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the one RS resource indicated or identified by the at least one index apply the same QCL parameters.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource is quasi co-located with an RS resource related to QCL parameters of one TCI state indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource belongs to an RS resource related to QCL parameters of one TCI state indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of one TCI state indicated or identified by the at least one index apply the same QCL parameter.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of one TCI state indicated or identified by the at least one index apply the same spatial reception parameter.

By way of example, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource is quasi co-sited with an RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource belongs to an RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index apply the same QCL parameter.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index apply the same spatial reception parameter.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the one or a group of antenna ports indicated or identified by the at least one index are quasi co-located.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the antenna port of the one RS resource belongs to one or a group of antenna ports indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the one or a group of antenna ports indicated or identified by the at least one index apply the same QCL parameters.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that the one RS resource and the one or a set of antenna ports indicated or identified by the at least one index apply the same spatial reception parameters.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that one cell indicated or identified by the at least one index is the same as the cell in which the first RS resource is located.

As an embodiment, the meaning of "one RS resource is associated with said at least one index" includes that one TRP indicated or identified by said at least one index is the same as the TRP where said first RS resource is located.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that one antenna panel indicated or identified by the at least one index is identical to the antenna panel where the first RS resource is located.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that one CORESET indicated or identified by the at least one index is the same as CORESET where the first RS resource is located.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that one CORESET indicated or identified by the at least one index and CORESET where the first RS resource is located belong to the same CORESET pool.

As an embodiment, the meaning of "one RS resource is associated with the at least one index" includes that CORESET pool indicated or identified by the at least one index is the same as CORESET pool where the first RS resource is located.

As one embodiment, "one RS resource is associated with" means that the PCI indicated or identified by the at least one index is the same as the PCI of the first RS resource.

As an embodiment the first condition comprises a transmission occasion not earlier than the time of effect of the at least one index and not associated with the at least one index.

As one embodiment, the first condition includes being unassociated with the at least one index and the at least one index is used to indicate a deactivated (deactivated) RS resource.

As one embodiment, the first condition includes being unassociated with the at least one index and the at least one index is used to indicate a deactivated (deactivated) TCI state.

As one embodiment, the first condition includes being unassociated with the at least one index and the at least one index is used to indicate a deactivated (deactivated) antenna port.

As one embodiment, the first condition includes CORESET not being associated with the at least one index and the at least one index being used to indicate deactivation (deactivated).

As one embodiment, the first condition includes CORESET pool not being associated with the at least one index and the at least one index being used to indicate deactivation (deactivated).

As one embodiment, the first condition includes a TRP or antenna panel not associated with the at least one index and the at least one index is used to indicate deactivation (deactivated).

As an embodiment, the first condition includes being unassociated with the at least one index and the at least one index is used to indicate a deactivated (deactivated) cell.

As one embodiment, the first condition includes being unassociated with the at least one index and the at least one index is used to indicate one or more of a deactivated RS resource, a deactivated TCI state, a deactivated antenna port, a deactivated CORESET, a deactivated CORESET pool, a deactivated TRP, a deactivated antenna panel, or a deactivated cell.

As one embodiment, the at least one index is used to indicate the RS resources that are deactivated (deactivated).

As one embodiment, the at least one index is used to indicate the TCI state of deactivation (deactivated).

As one embodiment, the at least one index is used to indicate deactivated (deactivated) antenna ports.

As one embodiment, the at least one index is used to indicate CORESET for deactivation (deactivated).

As one embodiment, the at least one index is used to indicate CORESET pool for deactivation (deactivated).

As one embodiment, the at least one index is used to indicate the TRP or antenna panel that is deactivated (deactivated).

As an embodiment, the at least one index is used to indicate deactivated (deactivated) cells.

As one embodiment, the at least one index is used to indicate one or more of deactivated RS resources, deactivated TCI status, deactivated antenna ports, deactivated CORESET, deactivated CORESET pool, deactivated TRP, deactivated antenna panels, or deactivated cells.

As an embodiment, the at least one index is used to indicate an antenna port of zero power.

As an embodiment, the at least one index is used to indicate non-zero power antenna ports.

As one example, the deactivation means includes silence (muted).

As an embodiment, the means of deactivation includes: inactive (inactive).

The deactivation means, as an example, includes zero power.

For one embodiment, the means for deactivating includes not being transmitted.

For one embodiment, the deactivation means includes deactivation.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the index used to indicate or identify the one RS resource does not belong to the at least one index.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource and the one RS resource indicated or identified by the at least one index are not quasi co-sited.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource and any one RS resource indicated or identified by the at least one index apply different QCL parameters.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource is not quasi co-sited with the RS resource related to the QCL parameter of one TCI state indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource does not belong to an RS resource related to QCL parameters of one TCI state indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of one TCI state indicated or identified by the at least one index apply different QCL parameters.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of one TCI state indicated or identified by the at least one index apply different spatial reception parameters.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource is not quasi co-sited with an RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource does not belong to an RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index apply different QCL parameters.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the one RS resource and the RS resource related to the QCL parameter of the TCI state of one CORESET indicated or identified by the at least one index apply different spatial reception parameters.

As an embodiment, the meaning of "one RS resource and the at least one index are not associated" includes that the one RS resource and the one or the group of antenna ports indicated or identified by the at least one index are not quasi co-located.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the antenna port of the one RS resource does not belong to the one or the group of antenna ports indicated or identified by the at least one index.

As an embodiment, the meaning of "one RS resource and the at least one index are not associated" includes that the one RS resource and the one or a group of antenna ports indicated or identified by the at least one index apply different QCL parameters.

As an embodiment, the meaning of "one RS resource and the at least one index are not associated" includes that the one RS resource and the one or the set of antenna ports indicated or identified by the at least one index apply different spatial reception parameters.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that one cell indicated or identified by the at least one index is different from the cell in which the first RS resource is located.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that one TRP indicated or identified by the at least one index is different from the TRP where the first RS resource is located.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that one antenna panel indicated or identified by the at least one index is different from the antenna panel where the first RS resource is located.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that one CORESET indicated or identified by the at least one index is different from CORESET where the first RS resource is located.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that one CORESET indicated or identified by the at least one index and CORESET where the first RS resource is located belong to different CORESET pool.

As an embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that one CORESET pool indicated or identified by the at least one index is different from CORESET pool where the first RS resource is located.

As one embodiment, the meaning of "one RS resource is not associated with the at least one index" includes that the PCI indicated or identified by the at least one index is different from the PCI of the first RS resource.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture according to one embodiment of the application, as shown in fig. 2.

Fig. 2 illustrates a network architecture 200 of LTE (Long-Term Evolution), LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) and future 5G systems. The network architecture 200 of LTE, LTE-a and future 5G systems is referred to as EPS (Evolved PACKET SYSTEM) 200. The 5G NR or LTE network architecture 200 may be referred to as a 5GS (5G System)/EPS (Evolved PACKET SYSTEM) 200 or some other suitable terminology. The 5GS/EPS 200 may include one or more UEs (User Equipment) 201, one UE241 in sidelink (Sidelink) communication with the UE201, NG-RAN (next generation radio access network) 202,5GC (5G CoreNetwork)/EPC (Evolved Packet Core, evolved packet core) 210, hss (Home Subscriber Server )/UDM (Unified DATA MANAGEMENT) 220, and internet service 230. The 5GS/EPS200 may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown in fig. 2, the 5GS/EPS200 provides packet switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this disclosure may be extended to networks providing circuit switched services. The NG-RAN202 includes an NR (New Radio), node B (gNB) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gNB203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), TRP (transmit-receive point), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the 5GC/EPC 210. Examples of UE201 include a cellular telephone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, an drone, an aircraft, a narrowband physical network device, a machine-type communication device, a land vehicle, an automobile, a wearable device, or any other similar functional device. Those of skill in the art may also refer to the UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. gNB203 is connected to 5GC/EPC210 through an S1/NG interface. The 5GC/EPC210 includes MME (Mobility MANAGEMENT ENTITY )/AMF (Authentication MANAGEMENT FIELD, authentication management domain)/SMF (Session Management Function ) 211, other MME/AMF/SMF214, S-GW (SERVICE GATEWAY, serving Gateway)/UPF (User Plane Function), 212, and P-GW (PACKET DATE Network Gateway)/UPF 213. The MME/AMF/SMF211 is a control node that handles signaling between the UE201 and the 5GC/EPC 210. The MME/AMF/SMF211 generally provides bearer and connection management. All user IP (Internet Protocal, internet protocol) packets are transported through the S-GW/UPF212, which S-GW/UPF212 itself is connected to the P-GW/UPF213. The P-GW provides UE IP address assignment as well as other functions. The P-GW/UPF213 is connected to the internet service 230. Internet services 230 include operator-corresponding internet protocol services, which may include, in particular, internet, intranet, IMS (IP Multimedia Subsystem ) and packet-switched (PACKET SWITCHING) services.

As an embodiment, the first node in the present application includes the UE201 or the UE241.

As an embodiment, the second node in the present application includes the gNB203.

As an embodiment, the wireless link between the UE201 or the UE241 and the gNB203 comprises a cellular network link.

As an embodiment, the sender of the first CSI reporting configuration includes the gNB203.

As an embodiment, the receiver of the first CSI reporting configuration includes the UE201 or the UE241.

As an embodiment, the sender of the first information block includes the gNB203.

As an embodiment, the receiver of the first information block includes the UE201 or the UE241.

As an embodiment, the receiver of the first CSI includes the gNB203.

As an embodiment, the sender of the first CSI includes the UE201 or the UE241.

As an embodiment, the gNB203 supports a power saving mode.

As an embodiment, the gNB203 supports a network power saving mode.

As an embodiment, the gNB203 supports a UE-side power saving mode.

As an embodiment, the gNB203 supports SBFD.

As an embodiment, the gNB203 supports a more flexible duplex mode or full duplex mode.

As an embodiment, the UE201 or the UE241 supports a power saving mode.

As an embodiment, the UE201 or the UE241 supports a network power saving mode.

As an embodiment, the UE201 or the UE241 supports a UE-side power saving mode.

As an embodiment, the UE201 or the UE241 supports SBFD.

As an embodiment, the UE201 or the UE241 supports a more flexible duplex mode or a full duplex mode.

Example 3

Embodiment 3 illustrates a schematic diagram of an embodiment of a radio protocol architecture for a user plane and a control plane according to one embodiment of the present application, as shown in fig. 3.

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to the application, as shown in fig. 3. Fig. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300, fig. 3 shows the radio protocol architecture for the control plane 300 between a first communication node device (RSU in UE, gNB or V2X) and a second communication node device (RSU in gNB, UE or V2X) or between two UEs, layer 1, layer 2 and layer 3, in three layers. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. the L1 layer will be referred to herein as PHY301. Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first communication node device and the second communication node device, or between two UEs. The L2 layer 305 includes a MAC (Medium Access Control ) sublayer 302, an RLC (Radio Link Control, radio link layer control protocol) sublayer 303, and a PDCP (PACKET DATA Convergence Protocol ) sublayer 304, which terminate at the second communication node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by ciphering the data packets and handover support for the first communication node device between second communication node devices. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out of order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell among the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control ) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and configuring the lower layers using RRC signaling between the second communication node device and the first communication node device. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer), the radio protocol architecture in the user plane 350 for the first communication node device and the second communication node device being substantially the same for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355 and the MAC sublayer 352 in the L2 layer 355 as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also providing header compression for upper layer data packets to reduce radio transmission overhead. Also included in the L2 layer 355 in the user plane 350 is an SDAP (SERVICE DATA Adaptation Protocol ) sublayer 356, the SDAP sublayer 356 being responsible for mapping between QoS flows and data radio bearers (DRBs, data Radio Bearer) to support diversity of traffic. Although not shown, the first communication node apparatus may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., remote UE, server, etc.).

As an embodiment, the radio protocol architecture in fig. 3 is applicable to the first node in the present application.

As an embodiment, the radio protocol architecture in fig. 3 is applicable to the second node in the present application.

As an embodiment, the first CSI reporting configuration is generated in the RRC306.

As an embodiment, the first information block is generated in the RRC306.

As an embodiment, the first information block is generated in the MAC sublayer 302.

As an embodiment, the first information block is generated in the MAC sublayer 352.

As an embodiment, the first information block is generated in the PHY301.

As an embodiment, the first information block is generated in the PHY351.

As an embodiment, the first CSI report is generated in the PHY301.

As an embodiment, the first CSI report is generated in the PHY351.

As an embodiment, the higher layer in the present application refers to a layer above the physical layer.

As an embodiment, the higher layer in the present application refers to a MAC layer.

As an embodiment, the higher layer in the present application refers to a physical layer.

As an embodiment, the higher layer in the present application refers to a MAC layer or a physical layer.

Example 4

Embodiment 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application, as shown in fig. 4. Fig. 4 is a block diagram of a first communication device 410 and a second communication device 450 in communication with each other in an access network.

The first communication device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multi-antenna receive processor 472, a multi-antenna transmit processor 471, a transmitter/receiver 418, and an antenna 420.

The second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.

In the transmission from the first communication device 410 to the second communication device 450, upper layer data packets from the core network are provided to a controller/processor 475 at the first communication device 410. The controller/processor 475 implements the functionality of the L2 layer. In DL, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocations to the second communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., physical layer). The transmit processor 416 performs coding and interleaving to facilitate Forward Error Correction (FEC) at the second communication device 450, as well as constellation mapping based on various modulation schemes, e.g., binary Phase Shift Keying (BPSK), quadrature Phase Shift Keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM). The multi-antenna transmit processor 471 digitally space-precodes the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, to generate one or more parallel streams. A transmit processor 416 then maps each parallel stream to a subcarrier, multiplexes the modulated symbols with a reference signal (e.g., pilot) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to produce a physical channel carrying the time-domain multicarrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multiple antenna transmit processor 471 to a radio frequency stream and then provides it to a different antenna 420.

In a transmission from the first communication device 410 to the second communication device 450, each receiver 454 receives a signal at the second communication device 450 through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multicarrier symbol stream that is provided to a receive processor 456. The receive processor 456 and the multi-antenna receive processor 458 implement various signal processing functions for the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. The receive processor 456 converts the baseband multicarrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receive processor 456, wherein the reference signal is to be used for channel estimation, and the data signal is subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any parallel streams destined for the second communication device 450. The symbols on each parallel stream are demodulated and recovered in a receive processor 456 and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals that were transmitted by the first communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller/processor 459. The controller/processor 459 implements the functions of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In DL (DownLink), a controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the core network. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing. The controller/processor 459 is also responsible for error detection using Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocols to support HARQ operations.

In the transmission from the second communication device 450 to the first communication device 410, a data source 467 is used at the second communication device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit function at the first communication device 410 described in DL, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocations of the first communication device 410, implementing L2 layer functions for the user and control planes. The controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming, with the multi-antenna transmit processor 457 then modulating the resulting parallel streams into multi-carrier/single-carrier symbol streams, which are analog precoded/beamformed in the multi-antenna transmit processor 457 before being provided to the different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides it to an antenna 452.

In the transmission from the second communication device 450 to the first communication device 410, the function at the first communication device 410 is similar to the receiving function at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals to baseband signals, and provides the baseband signals to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement the functions of the L1 layer. The controller/processor 475 implements L2 layer functions. The controller/processor 475 may be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. The controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the second communication device 450. Upper layer packets from the controller/processor 475 may be provided to the core network. The controller/processor 475 is also responsible for error detection using an ACK and/or NACK protocol to support HARQ operations.

The second communication device 450, as one embodiment, includes at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to be used with the at least one processor. The second communication device 450 at least receives a first CSI reporting configuration, receives a first information block, and sends a first CSI report, where the first CSI reporting configuration includes a first RS resource set, the first RS resource set is used for channel measurement, the first RS resource set includes one or more RS resources, the first information block is used to determine at least one index, an overhead of the first CSI report depends on whether at least one RS resource in the first RS resource set satisfies a first condition, the first condition includes being associated with the at least one index, or the first condition includes being not associated with the at least one index.

As one embodiment, the second communication device 450 includes a memory storing a program of computer readable instructions that, when executed by at least one processor, generates actions including receiving a first CSI reporting configuration, receiving a first information block, transmitting a first CSI report, wherein the first CSI reporting configuration includes a first set of RS resources used for channel measurements, the first set of RS resources including one or more RS resources, the first information block is used to determine whether at least one index is satisfied by an overhead of the first CSI report, the first condition includes being associated with the at least one index, or the first condition includes being unassociated with the at least one index.

The first communication device 410, as one embodiment, includes at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to be used with the at least one processor. The first communication device 410 at least comprises a first CSI reporting configuration, a first information block and a first CSI reporting receiver, wherein the first CSI reporting configuration comprises a first RS resource set, the first RS resource set is used for channel measurement, the first RS resource set comprises one or more RS resources, the first information block is used for determining at least one index, the overhead of the first CSI reporting depends on whether at least one RS resource in the first RS resource set meets a first condition, the first condition comprises being associated with the at least one index or the first condition comprises being not associated with the at least one index.

The first communication device 410 includes, as one embodiment, a first CSI reporting configuration, a first information block, and a second information block, wherein the first CSI reporting configuration includes a first set of RS resources used for channel measurement, the first set of RS resources includes one or more RS resources, the first information block is used to determine at least one index, an overhead of the first CSI reporting depends on whether at least one RS resource in the first set of RS resources satisfies a first condition, the first condition includes being associated with the at least one index, or the first condition includes not being associated with the at least one index.

As an embodiment, the first node in the present application includes the second communication device 450.

As an embodiment, the second node in the present application comprises the first communication device 410.

As an embodiment, at least one of { the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467} is used to receive the first CSI reporting configuration in the present application, { the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, the memory 476} is used to transmit the first CSI reporting configuration in the present application.

As an embodiment at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467 is used for receiving the first information block of the present application, { the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, the memory 476} is used for transmitting the first information block of the present application.

As an example, at least one of { the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller/processor 459, the memory 460} is used to transmit the first CSI report in the present application, { the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475, the memory 476} is used to receive the first CSI report in the present application.

Example 5

Embodiment 5 illustrates a flow chart of wireless transmission according to one embodiment of the application, as shown in fig. 5. In fig. 5, the first node U1 and the second node N2 are respectively two communication nodes transmitting over the air interface.

For the first node U1, receiving a first CSI reporting configuration in step S5101, receiving a first information block in step S5102, and transmitting a first CSI reporting in step S5103;

for the second node N2, transmitting the first CSI reporting configuration in step S5201, transmitting the first information block in step S5202, receiving the first CSI reporting in step S5203;

In embodiment 5, the first CSI reporting configuration includes a first set of RS resources, the first set of RS resources being used for channel measurements, the first set of RS resources including one or more RS resources, the first information block being used to determine at least one index, an overhead of the first CSI reporting being dependent on whether at least one RS resource in the first set of RS resources satisfies a first condition, the first condition including being associated with the at least one index or the first condition including being unassociated with the at least one index.

As an embodiment, the transmission of the first information block is earlier than the transmission of the first CSI reporting configuration.

As an embodiment, the transmission of the first information block is not earlier than the transmission of the first CSI reporting configuration.

As an embodiment, the transmission of the first information block is later than the transmission of the first CSI reporting configuration.

As an embodiment, the first information block and the first CSI reporting configuration are sent in the same signaling.

As an embodiment, the first information block and the first CSI reporting configuration are transmitted in different signaling, respectively.

As an embodiment, the first node U1 is the first node in the present application.

As an embodiment, the second node N2 is the second node in the present application.

As an embodiment, the air interface between the second node N2 and the first node U1 comprises a radio interface between a base station device and a user equipment.

As an embodiment, the air interface between the second node N2 and the first node U1 comprises a wireless interface between a relay node device and a user device.

As an embodiment, the air interface between the second node N2 and the first node U1 comprises a wireless interface between user equipment and user equipment.

As an embodiment, the first CSI reporting configuration is transmitted in PDSCH (Physical downlink SHARED CHANNEL ).

As one embodiment, the first information block is transmitted in PDSCH.

As an embodiment, the first information block is transmitted in a PDCCH (Physical Downlink Control Channel ).

As an embodiment, the first CSI report is transmitted in PUSCH (Physical Uplink SHARED CHANNEL ).

As an embodiment, the first CSI report is transmitted in PUCCH (Physical Uplink Control Channel ).

As an embodiment, the first information block is used by the first node U1 to determine at least one index.

As an embodiment, the first CSI reporting is periodic or semi-persistent.

As an embodiment, the first CSI report is activated or deactivated by a MAC CE.

As an embodiment, deactivating the name of the MAC CE reported by the first CSI includes SP CSI reporting on PUCCH Deactivation MAC CE.

As an embodiment, the first CSI report is triggered by one DCI, where the one DCI includes a CSI request field, and the CSI request field of the one DCI is used to indicate one trigger state (TRIGGER STATE), where the one trigger state is used by the first node U1 to send the first CSI report.

As an embodiment, the first CSI report is semi-persistent, and when the first node U1 receives an activation command (activation command), the first node U1 sends the first CSI report on PUCCH.

As an embodiment, the first CSI report is semi-persistent, and when the first node U1 is triggered by the one DCI, the first node U1 sends the first CSI report on PUSCH.

As an embodiment, at least one RS resource of the first set of RS resources is used in a power save (ENERGY SAVING) mode of the second node N2.

Example 6

Embodiment 6 illustrates a schematic diagram of channel measurement of the first CSI report according to an embodiment of the present application, as shown in fig. 6.

In embodiment 6, a first set of time slots includes at least one transmission occasion of each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource of the first CSI report, and the RS resources in the first set of time slots of the first set of RS resources are used to obtain channel measurements for calculating the first CSI report.

As an embodiment, only one RS resource of the first set of RS resources that is no later than the CSI reference resource reported by the first CSI satisfies the first condition.

As an embodiment, the first set of timeslots includes an earliest transmission occasion for each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource reported by the first CSI.

As an embodiment, the first set of timeslots includes a latest transmission occasion of each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource reported by the first CSI.

As an embodiment, the first set of time slots includes a latest transmission occasion of each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource reported by the first CSI.

As an embodiment, the first set of timeslots includes all transmission opportunities for each RS resource in the first set of RS resources that satisfies the first condition that are no later than the CSI reference resource reported by the first CSI.

As an embodiment, the first set of timings includes an earliest RS timing of each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource reported by the first CSI.

As an embodiment, the first set of time slots includes a latest RS time slot of the CSI reference resource reported by the first CSI for each RS resource in the first set of RS resources that satisfies the first condition.

As an embodiment, the first set of time slots includes a latest RS time slot of each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource reported by the first CSI.

As an embodiment, the first set of time slots includes all RS time slots of each RS resource in the first set of RS resources that satisfy the first condition that are no later than the CSI reference resource reported by the first CSI.

The CSI-RS resource, CSI-IM resource, or SSB resource occupies a plurality of slots in the time domain, and a portion thereof within one slot is referred to as one RS occasion.

The CSI-RS resource, CSI-IM resource, or SSB resource occupies a plurality of slots in the time domain, and a portion thereof within one slot is referred to as one transmission opportunity.

The CSI-RS resource, CSI-IM resource, or SS/PBCH block resource occupies a plurality of slots in the time domain, wherein a portion within one slot is referred to as one RS occasion.

The CSI-RS resource, CSI-IM resource, or SS/PBCH block resource occupies a plurality of slots in the time domain, wherein a portion within one slot is referred to as one transmission opportunity.

Typically, when one RS resource occupies a plurality of slots in the time domain, a portion within one slot is referred to as one RS occasion of the one RS resource.

Typically, when one RS resource occupies a plurality of slots in the time domain, a portion within one slot is referred to as one transmission opportunity of the one RS resource.

As an embodiment, the first CSI report includes at least one RS index, which is used to indicate or identify at least one RS resource in the first RS resource set, where the at least one RS resource meets the first condition.

As an embodiment, the first CSI report includes one RS index, where the one RS index is used to indicate or identify one RS resource in the first RS resource set, and the one RS resource meets the first condition.

As an embodiment, the first CSI report includes a plurality of RS indices, where the plurality of RS indices are used to indicate or identify a plurality of RS resources in the first RS resource set, and the plurality of RS resources all satisfy the first condition.

As an embodiment, the first CSI report includes a plurality of RS indices, which are used to indicate or identify a plurality of RS resources in the first RS resource set, and the one RS resource satisfies the first condition.

As an embodiment, the first CSI report includes a plurality of RS indices, which are used to indicate or identify a plurality of RS resources in the first RS resource set, and the at least one RS resource satisfies the first condition.

Example 7

Embodiment 7 illustrates a schematic diagram of a relationship among overhead of the first CSI report, the first parameter, the first RS resource set, and the first condition according to an embodiment of the present application, as shown in fig. 7.

In embodiment 7, the overhead of the first CSI report depends on a first parameter, the first parameter depends on a total number of RS resources in the first RS resource set when each RS resource in the first RS resource set that is not later than the CSI reference resource of the first CSI report satisfies the first condition, and the first parameter depends on a number of RS resources in the first RS resource set that is not later than the CSI reference resource of the first CSI report and satisfies the first condition when at least one RS resource in the first RS resource set that is not later than the CSI reference resource of the first CSI report does not satisfy the first condition.

As an embodiment, the "the overhead of the first CSI reporting depends on a first parameter" includes that the first parameter indicates an overhead of the first CSI reporting.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the first parameter shows an overhead indicating the first CSI report.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the first parameter implicitly indicates the overhead of the first CSI report.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the overhead of the first CSI report and the value of the first parameter are functional relationships.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the overhead of the first CSI report and the value of the first parameter are mapping relations.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the overhead of the first CSI report and the value of the first parameter are linearly related.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the overhead of the first CSI report and the value of the first parameter are non-linearly related.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" includes that the overhead of all reporting amounts in the first CSI report is dependent on the first parameter.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" comprises that the overhead of at least one reporting amount in the first CSI report is dependent on the first parameter.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" includes that the number of time slots occupied by the first CSI report depends on the first parameter.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that the number of RE (Resource Element) resources occupied by the first CSI report depends on the first parameter.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" comprises that the number of antenna ports associated with the first CSI report depends on the first parameter.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" comprises that the TRP or the number of antenna panels associated with the first CSI report is dependent on the first parameter.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" comprises that the number of processing units (CSI Processing Unit, CPU) required for the first CSI report depends on the first parameter.

As an embodiment, the number of processing units (CSI Processing Unit, CPU) required for the first CSI report and the first parameter are linear.

As an embodiment, the number of processing units (CSI Processing Unit, CPU) required for the first CSI report is equal to the first parameter multiplied by a parameter determined by the first node.

As an embodiment, the number of processing units (CSI Processing Unit, CPU) required for reporting the first CSI is equal to the first parameter multiplied by a parameter determined by the first node, where the value of the parameter determined by the first node depends on the first parameter.

As an embodiment, the number of processing units (CSI Processing Unit, CPU) required for reporting the first CSI is equal to the first parameter multiplied by a parameter determined by the first node, where the value of the parameter determined by the first node is independent of the first parameter.

As an embodiment, when the first parameter is equal to 1, the number of processing units (CSI Processing Unit, CPU) required for the first CSI report is equal to 1.

As an embodiment, the "the overhead dependent first parameter of the first CSI report" comprises that the calculation time (CSI computation time, calculation time) required for the first CSI report depends on the first parameter.

As an embodiment, the calculation time (CSI computation time, calculation time) required for the first CSI report is configured to be different values according to the different values of the first parameter.

As an embodiment, the calculation time (CSI computation time, calculation time) required for reporting the first CSI takes different values according to the different values of the first parameter.

As an embodiment, when the first parameter is equal to 1, the calculation time (CSI computation time, calculation time) required for reporting the first CSI is Z/Z'.

As an embodiment, when the first parameter is greater than 1, a calculation time (CSI computation time, calculation time) required for the first CSI report is equal to Z/Z' +r;

As an embodiment, when the first parameter is greater than 1, the calculation time (CSI computation time, calculation time) required for reporting the first CSI is selected from Z/Z 'and Z/Z' +r, where the selection mode is configured by higher layer signaling.

As an embodiment, when the first parameter is greater than 1, the calculation time (CSI computation time, calculation time) required for reporting the first CSI is selected from Z/Z 'and Z/Z' +r, where the selection mode is configured by the first node and is determined by the manufacturer of the first node or is implementation-dependent.

As a sub-embodiment of the above embodiment, the specific definition of Z/Z' is described in section 5.4 of 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, r is a parameter.

As a sub-embodiment of the above embodiment, said r is a parameter dependent on said first parameter.

As a sub-embodiment of the above embodiment, said r is a parameter independent of said first parameter.

As an embodiment, the "the overhead of the first CSI report depends on a first parameter" includes that one or more of the start of all reporting amounts included in the first CSI report, the overhead of at least one reporting amount in the first CSI report, the number of time slots occupied by the first CSI report, the number of RE (Resource Element) resources occupied by the first CSI report, the number of processing units (CSI Processing Unit, CPU) required for the first CSI report, and the calculation time (CSI computation time, calculation time) required for the first CSI report depend on the first parameter.

As an embodiment, the "the first parameter depends on the total number of RS resources in the first RS resource set" includes that the first parameter and the total number of RS resources in the first RS resource set are functional relationships, and the "the first parameter depends on the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition" includes that the first parameter and the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition are functional relationships.

As an embodiment, the "the first parameter depends on the total number of RS resources in the first RS resource set" includes that the first parameter and the total number of RS resources in the first RS resource set are in a mapping relationship, and the "the first parameter depends on the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition" includes that the first parameter and the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition are in a mapping relationship.

As an embodiment, the "the first parameter depends on the total number of RS resources in the first RS resource set" includes that the first parameter and the total number of RS resources in the first RS resource set are linearly related, and the "the first parameter depends on the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition" includes that the first parameter and the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition are linearly related.

As an embodiment, the "the first parameter depends on the total number of RS resources in the first RS resource set" includes that the first parameter and the total number of RS resources in the first RS resource set are non-linearly related, and the "the first parameter depends on the number of RS resources in the first RS resource set that are not later than the CSI reference resources reported by the first CSI and satisfy the first condition" includes that the first parameter and the number of RS resources in the first RS resource set that are not later than the CSI reference resources reported by the first CSI and satisfy the first condition are non-linearly related.

As an embodiment, the "the first parameter depends on the total number of RS resources in the first RS resource set" comprises that the first parameter is equal to the total number of RS resources in the first RS resource set, and the "the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition" comprises that the first parameter is equal to the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition.

Example 8

Embodiment 8 illustrates a schematic diagram of a relationship among the overhead of the first reporting amount, the first parameter, the first RS resource set, and the first condition according to an embodiment of the present application, as shown in fig. 8.

In embodiment 8, the first CSI report includes a first report amount, overhead of the first report amount depends on the first parameter, when each RS resource of the first RS resource set that is not later than the CSI reference resource reported by the first CSI satisfies the first condition, the first parameter depends on a total number of RS resources of the first RS resource set, and when at least one RS resource of the first RS resource set that is not later than the CSI reference resource reported by the first CSI does not satisfy the first condition, the first parameter depends on a number of RS resources of the first RS resource set that is not later than the CSI reference resource reported by the first CSI and satisfies the first condition.

As an embodiment, the first reporting amount is PMI.

As an embodiment, the first reporting amount is at least one parameter in PMI.

As an embodiment, the first reporting amount is at least one parameter set in PMI.

As an embodiment, the first reporting amount is at least one bit block in PMI.

As one embodiment, the first node determines a precoding matrix, the precoding matrix being indicated by the PMI.

As one embodiment, the first node determines a precoding matrix according to a channel condition and a transmission environment, the precoding matrix being indicated by the PMI.

As an embodiment, the first node determines a precoding matrix according to a channel measurement result, the precoding matrix being indicated by the PMI.

As an embodiment, the first node determines a precoding matrix according to higher layer signaling, the precoding matrix being indicated by the PMI.

As a sub-embodiment of the above embodiment, the "determining" operation includes, but is not limited to, one or more of mathematical operations, matrix decomposition, averaging, filtering, quantization, look-up tables, or selection.

As an embodiment, the channel measurement for determining the precoding matrix is obtained based on at least one RS resource of the first set of RS resources that is no later than a CSI reference resource reported by the first CSI.

As an embodiment, at least one RS resource of the first RS resource set, which is not later than the CSI reference resource reported by the first CSI, meets the first condition, and the method is used for determining that the channel measurement of the precoding matrix depends on the CSI reference resource of the first RS resource set, which is not later than the CSI reference resource reported by the first CSI, and meets the first condition.

As an embodiment, at least one RS resource in the first set of RS resources that is no later than the CSI reference resource reported by the first CSI does not meet the first condition, and the at least one RS resource is not used for determining channel measurements of the precoding matrix.

As an embodiment, the channel measurement for determining the precoding matrix is obtained based on a plurality of RS resources in the first RS resource set that are no later than the CSI reference resource reported by the first CSI, and the one RS resource corresponds to an activated TRP or antenna panel.

As a sub-embodiment of the above embodiment, the multiple RS resources have the same or different antenna ports.

Under the limitation of the above method or embodiment, the specific algorithm for determining, by the first node, the precoding matrix associated with the PMI included in the first CSI report is determined by the manufacturer of the first node, or is implementation-dependent. Several exemplary but non-limiting embodiments are described below:

in one embodiment, the first node determines the precoding matrix such that the precoding matrix is closest to a channel parameter matrix derived from channel measurements.

In one embodiment, the first node determines the precoding matrix such that a Euclidean distance between the precoding matrix and a channel parameter matrix derived from channel measurements is minimized.

In one embodiment, the first node determines the precoding matrix such that the equivalent channel strength after precoding is maximized.

In one embodiment, the first node determines the precoding matrix such that the MSE (Mean Squared Error, mean square error) between the received signal and the true transmitted signal is minimized.

In one embodiment, the first node determines the precoding matrix such that the channel data capacity after precoding is maximized.

In one embodiment, the first node determines the precoding matrix such that the energy of the received signal is maximized.

In one embodiment, the first node determines the precoding matrix such that a SINR (SIGNAL INTERFERENCE Noise Ratio) of the received signal is maximized.

In one embodiment, the first node determines the precoding matrix such that an SLNR (SIGNAL LEAKAGE Noise Ratio) of a received signal is maximized.

In one embodiment, the first node determines the precoding matrix such that signal interference strength is minimized.

As an embodiment, the first reporting amount includes at least one RS index indicating or identifying at least one RS resource in the first set of RS resources.

As an embodiment, the first reporting amount includes at least one RS index, the at least one RS index indicating or identifying at least one RS resource in the first set of RS resources, the at least one RS resource satisfying the first condition.

As one embodiment, the first reporting amount includes at least one RS index indicating or identifying at least one activated TRP or antenna panel.

As one embodiment, the first reporting amount indicates at least one precoding matrix associated with at least one RS resource in the first set of RS resources.

As an embodiment, the first reporting amount comprises at least one parameter set indicating at least one precoding matrix associated with at least one RS resource of the first set of RS resources.

As an embodiment, the first reporting amount indicates a representation of at least one precoding matrix associated with at least one RS resource in the first RS resource set reported on the first CSI.

As an embodiment, the first reporting amount includes at least one parameter set indicating a representation of at least one precoding matrix associated with at least one RS resource in the first RS resource set reported at the first CSI.

As a sub-embodiment of the above embodiment, the at least one RS resource satisfies the first condition.

As one embodiment, the first reporting amount indicates at least one precoding matrix associated with an activated TRP or antenna panel.

As an embodiment, the first reporting amount comprises at least one parameter set indicating at least one precoding matrix associated with an activated TRP or antenna panel.

As an embodiment, the first reporting amount indicates a representation of at least one precoding matrix associated with an activated TRP or antenna panel at the first CSI report.

As an embodiment, the first reporting amount includes at least one parameter set indicating a representation of at least one precoding matrix associated with an activated TRP or antenna panel reporting at the first CSI.

As an embodiment, the first reporting amount indicates the CSI reference resource reported from the first RS resource set no later than the first CSI, and the RS resource selected from the RS resources satisfying the first condition is used to determine the precoding matrix.

As an embodiment, the first reporting amount includes at least one parameter set indicating the CSI reference resource reported from the first CSI no later than the first CSI in the first RS resource set, and selected RS resources for determining the precoding matrix among the RS resources satisfying the first condition.

As an embodiment, when the number of the CSI reference resources reported from the first CSI is no later than the first RS resource set and the number of the RS resources satisfying the first condition is NRS ', the first reporting amount is a bit block with a length of NRS' bit indicating the CSI reference resources reported from the first CSI no later than the first RS resource set and the selected RS resource for determining the precoding matrix among the RS resources satisfying the first condition.

As an embodiment, when the number of the CSI reference resources reported from the first CSI is no later than the first RS resource set and the number of the RS resources satisfying the first condition is NRS ', the first reporting amount includes at least one bit block of length NRS' bit indicating the CSI reference resources reported from the first CSI no later than the first CSI in the first RS resource set and selected RS resources for determining the precoding matrix among the RS resources satisfying the first condition.

As one embodiment, the first reporting amount indicates a TRP or antenna panel associated with the PMI selected from among activated TRPs or antenna panels.

As an embodiment, the first reporting amount includes at least one bit block indicating a TRP or antenna panel associated with the PMI selected from activated TRP or antenna panels.

As an embodiment, when the number of TRP or antenna panels activated is NTRP ', the first report amount is a bit block of length NTRP' bits indicating the TRP or antenna panel associated with the PMI selected from the TRP or antenna panels activated.

As an embodiment, when the number of TRP or antenna panels activated is NTRP ', the first report amount includes at least one bit block of length NTRP' bits indicating the TRP or antenna panel associated with the PMI selected from the TRP or antenna panels activated.

As an embodiment, when the number of activated TRP or antenna panels is NTRP ', the first report amount includes at least one bitmap (bitmap) of length NTRP' bits indicating TRP or antenna panels associated with the PMI selected from the activated TRP or antenna panels.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "1", it indicates that the selected bit is selected, whereas when the bit value is "0", it indicates that the selected bit is not selected.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "0", it indicates that the selected bit is selected, whereas when the bit value is "1", it indicates that the selected bit is not selected.

As an embodiment the "the overhead of the first reporting amount depends on a first parameter" comprises that the first parameter indicates the overhead of the first reporting amount.

As an embodiment the "the overhead of the first reporting amount depends on a first parameter" comprises that the first parameter shows an overhead indicating the first reporting amount.

As an embodiment, the "the overhead of the first reporting amount depends on a first parameter" comprises that the first parameter implicitly indicates the overhead of the first reporting amount.

As one embodiment, the "the overhead of the first reporting amount depends on a first parameter" includes that the overhead of the first reporting amount and the value of the first parameter are functional.

As one embodiment, the "the overhead of the first reporting amount depends on a first parameter" includes that the overhead of the first reporting amount and the value of the first parameter are a mapping relationship.

As one embodiment, the "the overhead of the first reporting amount depends on a first parameter" includes that the overhead of the first reporting amount and the value of the first parameter are linearly related.

As one embodiment, the "the overhead of the first reporting amount depends on a first parameter" includes that the overhead of the first reporting amount and the value of the first parameter are non-linearly related.

Example 9

Embodiment 9 illustrates a schematic diagram of the relationship between the overhead of the first reporting amount, the first parameter, and the first spatial vector group according to an embodiment of the present application, as shown in fig. 9.

In embodiment 9, the first CSI report includes a PMI, the PMI depends on a first set of spatial vectors, and the first report amount is at least one parameter or a set of parameters related to the first set of spatial vectors in the PMI.

As an embodiment, the overhead of the first reporting amount is equal to the first parameter.

As an embodiment, the overhead of the first reporting amount and the first parameter are functionally related.

As an embodiment, the overhead of the first reporting amount and the first parameter are mapped.

As an embodiment, the overhead of the first reporting amount and the first parameter are non-linearly related.

As an embodiment, the overhead of the first reporting amount and the first parameter are linearly related.

As a sub-embodiment of the above embodiment, the correlation coefficient of the "linear correlation" is a positive number or a negative number.

As a sub-embodiment of the above embodiment, the correlation coefficient of the "linear correlation" is a positive real number or a negative real number.

As a sub-embodiment of the above embodiment, the correlation coefficient of the "linear correlation" is a positive integer or a negative integer.

As an embodiment, the first set of spatial vectors is DFT (Discrete Fourier Transform ) vector-based, see section 5.2.2.2 in 3gpp ts38.214 for details of the set of spatial vectors based on DFT vectors.

As an embodiment, the first spatial vector group is based on an oversampled DFT (Discrete Fourier Transform ) vector, and the specific content of the spatial vector group based on the oversampled DFT vector is referred to in 3gpp ts38.214, section 5.2.2.2.

As an embodiment, the first spatial vector group is based on a port selection vector, and the specific content of the spatial vector group based on the port selection vector is described in section 5.2.2.2 in 3gpp ts 38.214.

As an embodiment, the first reporting amount indicates the first spatial vector group.

As an embodiment, the first reporting amount indicates a determination or representation of the first set of spatial vectors.

As an embodiment, the first reporting amount indicates information related to the first spatial vector group.

As an embodiment, the first reporting amount indicates information related to the determination or representation of the first set of spatial vectors.

As one embodiment, the structure of the precoding matrix is in the form of the product of a plurality of matrixes, one matrix in the plurality of matrixes represents a space vector set, and the first space vector group forms the matrix representing the space vector set.

As one embodiment, the structure of the precoding matrix is in the form of the product of a plurality of matrices, wherein a first matrix represents a space vector set, and the first space vector group forms the space vector set.

As one embodiment, the structure of the precoding matrix is in the form of the product of two matrices, wherein the first matrix represents a space vector set, and the first space vector group forms the space vector set.

As an embodiment, the precoding matrix is represented as a W matrix on each data layer, and w=w1×w2, where the W1 matrix represents a set of spatial vectors, the W2 matrix includes the first combination coefficient set, and the first spatial vector set constitutes the W1 matrix.

As one embodiment, the structure of the precoding matrix is in the form of the product of three matrices, wherein the first matrix represents a space vector set, and the first space vector group forms the space vector set.

As an embodiment, the precoding matrix is represented as a W matrix on each data layer, and w=w1×w2×wf, wherein the W1 matrix represents a set of spatial vectors, the W2 matrix includes the first combination coefficient group, and the Wf matrix represents a set of frequency domain vectors, and the first spatial vector group constitutes the W1 matrix.

As a sub-embodiment of the above embodiment, the first reporting amount indicates the W1 matrix.

As a sub-embodiment of the above embodiment, the first reporting amount indicates a determination or representation of the W1 matrix.

As a sub-embodiment of the above embodiment, the first reporting amount indicates information related to the W1 matrix.

As a sub-embodiment of the above embodiment, the first reporting amount indicates information related to the determination or representation of the W1 matrix.

As a sub-embodiment of the above embodiment, the W1 matrix is a block diagonal matrix.

As a sub-embodiment of the above embodiment, the W1 matrix is a block diagonal matrix, and each sub-block matrix corresponds to an RS resource in the first RS resource set that satisfies the first condition.

As a sub-embodiment of the above embodiment, the W1 matrix is a block diagonal matrix, and each sub-block matrix corresponds to one RS resource selected from RS resources satisfying the first condition in the first RS resource set for determining the PMI.

As a sub-embodiment of the above embodiment, the number of sub-block matrices in the W1 matrix is equal to the number of RS resources in the first RS resource set that satisfy the first condition.

As a sub-embodiment of the above embodiment, the number of sub-block matrices in the W1 matrix is smaller than the number of RS resources in the first RS resource set that satisfy the first condition.

As a sub-embodiment of the above embodiment, the first reporting amount indicates a number of sub-block matrices in the W1 matrix.

As a sub-embodiment of the above embodiment, the first reporting amount indicates a correspondence between a sub-block matrix in the W1 matrix and RS resources in the first RS resource set that satisfy the first condition.

As a sub-embodiment of the above embodiment, the first reporting amount indicates an RS resource selected from RS resources in the first RS resource set that satisfy the first condition.

As a sub-embodiment of the above embodiment, when the number of RS resources satisfying the first condition in the first RS resource set is NRS ', the PMI includes at least one bit block of length NRS' bit indicating an RS resource selected from the RS resources satisfying the first condition in the first RS resource set for use in determining the PMI.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "1", it indicates that the RS resource corresponding to the bit is selected, whereas when the bit value is "0", it indicates that the RS resource corresponding to the bit is not selected.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "0", it indicates that the RS resource corresponding to the bit is selected, whereas when the bit value is "1", it indicates that the RS resource corresponding to the bit is not selected.

As a sub-embodiment of the above embodiment, the first reporting amount indicates a number of columns of each sub-block matrix in the W1 matrix.

As a sub-embodiment of the above embodiment, when the W1 matrix includes N sub-block matrices, the N-th sub-block matrix has a column number of 2×ln, and the first report amount indicates the column number { L1, L2,...

As a sub-embodiment of the above embodiment, when the columns { L1, L2,..once the number of N sub-block matrices in the W1 matrix is equal, LN } is selected from NL combinations, the first reporting amount includes at least one of lengthA block of bits is used to indicate the value of { L1, L2,...

As a sub-embodiment of the above embodiment, the number and the value of the elements in the optional combined set of the N number of columns { L1, L2,. }, LN } of the N number of sub-block matrices depend on the number NRS' of RS resources in the first set of RS resources that satisfy the first condition.

Examples 10A to 10B

Embodiments 10A-10B illustrate schematic diagrams of an indication of overhead for a first CSI report according to one embodiment of the application, respectively, as shown in fig. 10A-10B.

In embodiment 10A, a higher layer parameter indicates whether the overhead of the first CSI report depends on at least one RS resource in the first set of RS resources satisfying the first condition.

In embodiment 10B, the overhead of the first CSI report depends on the first parameter, the first CSI report including a first indication that is used to determine whether the first parameter is the same as the total number of RS resources in the first RS resource set.

As an embodiment, RRC signaling indicates whether the overhead of the first CSI report depends on whether at least one RS resource in the first RS resource set satisfies the first condition.

As an embodiment, the first CSI reporting configuration indicates whether the overhead of the first CSI reporting depends on at least one RS resource in the first RS resource set satisfying the first condition.

As an embodiment, one RRC IE (Information Element ) in the first CSI reporting configuration indicates whether the overhead of the first CSI reporting depends on at least one RS resource in the first RS resource set satisfying the first condition.

As an embodiment, at least one RRC IE (Information Element ) in the first CSI reporting configuration indicates whether the overhead of the first CSI reporting depends on at least one RS resource in the first set of RS resources satisfying the first condition.

As an embodiment, the first CSI report includes a first indication indicating whether the overhead of the first CSI report depends on at least one RS resource in the first RS resource set satisfying the first condition.

As an embodiment, the first indication comprises one or more bits.

As an embodiment, the first indication comprises at least one bit.

As an embodiment, the first indication comprises one or more blocks of bits.

As an embodiment, the first indication comprises at least one block of bits.

As an embodiment, the first indication indicates whether the first parameter is the same as the total number of RS resources in the first set of RS resources.

As an embodiment, the first indication display indicates whether the first parameter is the same as a total number of RS resources in the first set of RS resources.

As an embodiment, the first indication implicitly indicates whether the first parameter is the same as the total number of RS resources in the first set of RS resources.

As an embodiment, the different candidate values of the first indication respectively indicate whether the first parameter is the same as the total number of RS resources in the first set of RS resources.

As an embodiment, the first indication comprises a bit, a value of 0 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set, and a value of 1 of the first indication indicates that the first parameter is different from the total number of RS resources in the first RS resource set.

As an embodiment, the first indication comprises a bit, a value of 0 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set, and a value of 1 of the first indication indicates that the first parameter is less than the total number of RS resources in the first RS resource set.

As an embodiment, the first indication comprises a bit, a value of 1 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set, and a value of 0 of the first indication indicates that the first parameter is different from the total number of RS resources in the first RS resource set.

As an embodiment, the first indication comprises a bit, a value of 1 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set, and a value of 0 of the first indication indicates that the first parameter is less than the total number of RS resources in the first RS resource set.

As an embodiment, the first indication comprises at least one bit, the value of the first indication being odd indicates that the first parameter is the same as the total number of RS resources in the first set of RS resources, and the value of the first indication being even indicates that the first parameter is different from the total number of RS resources in the first set of RS resources.

As an embodiment, the first indication comprises at least one bit, the value of the first indication being odd indicating that the first parameter is the same as the total number of RS resources in the first set of RS resources, and the value of the first indication being even indicating that the first parameter is less than the total number of RS resources in the first set of RS resources.

As an embodiment, the first indication comprises at least one bit, the value of the first indication being even indicates that the first parameter is the same as the total number of RS resources in the first set of RS resources, and the value of the first indication being odd indicates that the first parameter is different from the total number of RS resources in the first set of RS resources.

As an embodiment, the first indication comprises at least one bit, the value of the first indication being even indicating that the first parameter is the same as the total number of RS resources in the first set of RS resources, and the value of the first indication being odd indicating that the first parameter is less than the total number of RS resources in the first set of RS resources.

As an embodiment, the first indication includes two bits, a value of 00 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set, a value of 01 of the first indication indicates that the first parameter is different from the total number of RS resources in the first RS resource set, a value of 10 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set that satisfy the first condition, and a value of 11 of the first indication indicates that the first parameter is different from the total number of RS resources in the first RS resource set that satisfy the first condition.

As an embodiment, the first indication comprises two bits, a value of 00 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set, a value of 01 of the first indication indicates that the first parameter is smaller than the total number of RS resources in the first RS resource set, a value of 10 of the first indication indicates that the first parameter is the same as the total number of RS resources in the first RS resource set that satisfy the first condition, and a value of 11 of the first indication indicates that the first parameter is smaller than the total number of RS resources in the first RS resource set that satisfy the first condition.

Example 11

Embodiment 11 illustrates a schematic diagram of interference measurement of the first CSI report according to an embodiment of the present application, as shown in fig. 11.

In embodiment 11, the first CSI reporting configuration includes a second set of RS resources including one or more RS resources, and the second set of occasions includes transmission occasions of at least one RS resource in the second set of RS resources that are no later than the CSI reference resource of the first CSI report, the second set of occasions being used to obtain interference measurements for calculating the first CSI report.

As an embodiment, the second set of RS resources comprises only one RS resource.

As an embodiment, the second set of RS resources includes a plurality of RS resources.

As an embodiment, the second set of RS resources includes at least one RS resource.

As an embodiment, the second set of RS resources includes at least one RS resource configured for interference measurement.

As one embodiment, the second set of RS resources includes a plurality of RS resources configured for interference measurements.

As an embodiment, the second set of RS resources and the first set of RS resources comprise the same number of RS resources.

As an embodiment, the second set of RS resources and the first set of RS resources comprise different numbers of RS resources.

As an embodiment, the interference measurement resource of the first CSI reporting configuration includes the second RS resource set.

As an embodiment, the second set of RS resources is used for interference measurements reported by the first CSI.

As an embodiment, the second set of RS resources includes at least one of CSI-IM (CHANNEL STATE Information-INTERFERENCE MEASUREMENT) resources or NZP CSI-RS resources for interference measurements.

As an embodiment, the second set of RS resources includes at least CSI-IM (CHANNEL STATE Information-INTERFERENCE MEASUREMENT) resources or NZP CSI-RS resources for interference measurements.

As an embodiment, the second set of RS resources includes CSI-IM resources.

As an embodiment, the second set of RS resources includes CSI-IM resources and NZP CSI-RS resources for interference measurement.

As an embodiment, the second set of RS resources includes at least one of "one or more CSI-IM resources" or "one or more NZP CSI-RS resources for interference measurement".

As an embodiment, the second set of RS resources comprises at least one of only one CSI-IM resource or only one NZP CSI-RS resource for interference measurement.

As an embodiment, the second set of RS resources includes a smaller number of RS resources than the first set of RS resources.

As an embodiment, the second RS resource set includes a smaller number of CSI-IM resources than the first RS resource set.

As an embodiment, the number of NZP CSI-RS resources included in the second set of RS resources for interference measurement is smaller than the number of RS resources included in the first set of RS resources.

Typically, CSI-IM is a zero power reference signal.

As an embodiment, the first CSI reporting configuration includes two CSI resource configurations, which are used to configure the first RS resource set and the second RS resource set, respectively.

As a sub-embodiment of the above embodiment, the two CSI resource configurations are two IE CSI-ResourceConfig.

As a sub-embodiment of the foregoing embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement field and a CSI-IM-ResourcesForInterference field, and the resourcesForChannelMeasurement field and the CSI-IM-ResourcesForInterference field included in the first CSI reporting configuration indicate the two CSI resource configurations, respectively.

As an embodiment, the first CSI reporting configuration includes a CSI-IM-ResourcesForInterference field, and the CSI-IM-ResourcesForInterference field included in the first CSI reporting configuration is used to indicate the second RS resource set.

As an embodiment, the first CSI reporting configuration includes three CSI resource configurations, which are used to configure CSI-IM resources in the first RS resource set, the second RS resource set, and NZP CSI-RS resources in the second RS resource set, which are configured for interference measurement, respectively.

As a sub-embodiment of the above embodiment, the three CSI resource configurations are three IE CSI-ResourceConfig.

As a sub-embodiment of the foregoing embodiment, the first CSI reporting configuration includes a resourcesForChannelMeasurement field, a CSI-IM-ResourcesForInterference field, and a nzp-CSI-RS-ResourcesForInterference field, and the resourcesForChannelMeasurement field, the CSI-IM-ResourcesForInterference field, and the nzp-CSI-RS-ResourcesForInterference field included in the first CSI reporting configuration indicate the three CSI resource configurations, respectively.

As an embodiment, the first CSI reporting configuration includes a CSI-IM-ResourcesForInterference field and a nzp-CSI-RS-ResourcesForInterference field, and the CSI-IM-ResourcesForInterference field and the nzp-CSI-RS-ResourcesForInterference field included in the first CSI reporting configuration are used to indicate the second RS resource set.

See section 6.3.2 of 3gpp TS 38.331 for a specific definition of one embodiment ,IE CSI-ReportConfig,resourcesForChannelMeasurement,csi-IM-ResourcesForInterference,nzp-CSI-RS-ResourcesForInterference,IE CSI-ResourceConfi.

As an embodiment, only the second set of occasions of all transmission occasions of each RS resource in the second set of RS resources is used to obtain interference measurements for calculating the first CSI report.

As an embodiment, the second set of occasions includes one or more transmission occasions of one RS resource in the second set of RS resources that are no later than CSI reference resources reported by the first CSI.

As an embodiment, the second set of occasions includes all transmission occasions of one RS resource in the second set of RS resources that are no later than the CSI reference resource reported by the first CSI.

As an embodiment, the second set of occasions includes one or more transmission occasions of at least one RS resource of the second set of RS resources that are no later than CSI reference resources reported by the first CSI.

As an embodiment, the second set of occasions includes all transmission occasions of at least one RS resource in the second set of RS resources that are no later than CSI reference resources reported by the first CSI.

As an embodiment, the second set of occasions includes a transmission occasion of each RS resource in the second set of RS resources that is no later than a CSI reference resource reported by the first CSI.

As one embodiment, the second set of occasions includes one or more transmission occasions of each RS resource in the second set of RS resources that are no later than CSI reference resources reported by the first CSI.

As an embodiment, the second set of occasions includes all transmission occasions of each RS resource in the second set of RS resources that are no later than the CSI reference resource reported by the first CSI.

Examples 12A to 12B

Embodiments 12A-12B illustrate diagrams of PMIs (Precoding Matrix Indicator, precoding indications) in the first CSI report according to one embodiment of the present application, respectively, as shown in fig. 12A-12B.

In embodiment 12A, the first CSI report includes a PMI that depends on a first set of spatial vectors and a first set of combining coefficients.

In embodiment 12B, the first CSI report includes a PMI that depends on the first set of spatial vectors, the first set of combining coefficients, and the first set of frequency domain vectors.

As an embodiment, the PMI comprises at least one bit block.

As one embodiment, the PMI includes a plurality of bit blocks.

As an embodiment, the PMI includes a positive integer number of bits.

As an embodiment, the bits in the PMI are sequentially arranged.

As an embodiment, the bit blocks in the PMI are sequentially arranged.

As an embodiment, the PMI includes a parameter set.

As one embodiment, the PMI includes a plurality of parameter sets.

As an embodiment, the PMI comprises at least one parameter set.

As a sub-embodiment of the above embodiment, some of the at least one parameter set determines a vector in the precoding matrix and some parameter set determines a representation of the precoding matrix in the first CSI report.

As a sub-embodiment of the above embodiment, the at least one parameter set corresponds to only one data layer.

As a sub-embodiment of the above embodiment, the at least one parameter set corresponds to at least one data layer.

As a sub-embodiment of the above embodiment, each parameter set of the at least one parameter set corresponds to one data layer, respectively.

As a sub-embodiment of the above embodiment, the at least one parameter set corresponds to at least one data layer, wherein some parameter sets are common to all data layers, some parameter sets are common to a portion of the data layers, and some parameter sets are individual for each data layer.

As a sub-embodiment of the above embodiment, the at least one parameter set corresponds to at least one RS resource satisfying the first condition, and one parameter set corresponds to one RS resource satisfying the first condition.

As a sub-embodiment of the above embodiment, the at least one parameter set corresponds to at least one RS resource satisfying the first condition, wherein some parameter sets are common to all RS resources, some parameter sets are common to a portion of the RS resources, and some parameter sets are separate for each RS resource.

As an embodiment, the PMI includes at least one bit block indicating the CSI reference resource reported from the first CSI no later than the first CSI in the first RS resource set, and selected RS resources for determining the PMI among the RS resources satisfying the first condition.

As an embodiment, when the number of the CSI reference resources reported from the first CSI is no later than the first RS resources in the first RS resource set and the number of the RS resources satisfying the first condition is NRS ', the PMI includes at least one bit block of length NRS' bit indicating the CSI reference resources reported from the first CSI no later than the first RS resources in the first RS resource set and the selected RS resources for determining the PMI among the RS resources satisfying the first condition.

As one embodiment, the PMI includes at least one bit block indicating a TRP or antenna panel associated with the PMI selected from among activated TRP or antenna panels.

As one embodiment, when the number of TRP or antenna panels activated is NTRP ', the PMI includes at least one bit block of length NTRP' bits indicating the TRP or antenna panel associated with the PMI selected from the TRP or antenna panels activated.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "1", it indicates that the corresponding TRP or antenna panel is selected, whereas when the bit value is "0", it indicates that the corresponding TRP or antenna panel is not selected.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "0", it indicates that the corresponding TRP or antenna panel is selected, whereas when the bit value is "1", it indicates that the corresponding TRP or antenna panel is not selected.

As an embodiment, the PMI generation manner is configured by higher layer signaling.

As an embodiment, the PMI generation manner is configured by RRC signaling.

As an embodiment, the PMI is generated in a manner selected from a plurality of configurable manners and indicated by higher layer signaling.

As an embodiment, the PMI generation manner is selected from a plurality of configurable manners, and is indicated by RRC signaling.

As a sub-embodiment of the above embodiment, the manner of generating the PMI and the specific form of the corresponding indication are described in section 5.2.2.2 of 3GPPTS38.214.

As an embodiment, the PMI is based on TypeI (first class) codebook, see section 5.2.2.2.1 in 3GPPTS38.214 for details.

As an embodiment, the PMI is based on Type II (second class) codebook, see section 5.2.2.2.3 or section 5.2.2.2.5 in 3gpp ts38.214 for details.

As an embodiment, the PMI is based on Type II (second class) port selection codebook (port selection codebook), see section 5.2.2.2.4, section 5.2.2.2.6 or section 5.2.2.2.7 in 3gpp ts38.214 for details.

As a sub-embodiment of the above embodiment, the codebook corresponds to only one data layer.

As a sub-embodiment of the above embodiment, the codebook corresponds to at least one data layer.

As a sub-embodiment of the above embodiment, the codebooks are generated independently on different data layers.

As a sub-embodiment of the above embodiment, the codebooks are jointly generated on different data layers.

As one embodiment, the precoding matrix indicated by the PMI is a product of a plurality of matrices on each data layer.

As an embodiment, the precoding matrix indicated by the PMI is a product of two matrices per data layer.

As an embodiment, the precoding matrix indicated by the PMI is a product of two matrices per data layer, wherein a first matrix is composed of the first set of spatial vectors and a second matrix comprises the first set of combining coefficients.

As an embodiment, the precoding matrix indicated by the PMI is a W matrix on each data layer, and w=w1×w2, wherein W1 matrix is composed of the first set of spatial vectors and W2 matrix includes the first set of combining coefficients.

As a sub-embodiment of the above embodiment, the specific content of the W1 matrix and the W2 matrix is referred to in 3gpp ts38.214, section 5.2.2.2.

As a sub-embodiment of the above embodiment, the PMI includes at least one parameter or parameter set indicating the W1 matrix.

As a sub-embodiment of the above embodiment, the PMI includes at least one parameter or parameter set indicating information related to the W1 matrix.

As a sub-embodiment of the above embodiment, the PMI includes at least one parameter or parameter set indicating the W2 matrix.

As a sub-embodiment of the above embodiment, the PMI includes at least one parameter or parameter set indicating information related to the W2 matrix.

As a sub-embodiment of the above embodiment, the W1 matrix is identical at different data layers.

As a sub-embodiment of the above embodiment, the W1 matrix is different at different data layers.

As a sub-embodiment of the above embodiment, the W1 matrix is independently selected and determined at different data layers.

As a sub-embodiment of the above embodiment, the W1 matrix is a block diagonal matrix, and each sub-block matrix corresponds to one RS resource that satisfies the first condition.

As a sub-embodiment of the above embodiment, the W1 matrix is a block diagonal matrix, and each sub-block matrix corresponds to an activated TRP or antenna panel.

As a sub-embodiment of the above embodiment, the number of sub-block matrices in the W1 matrix is 1.

For one sub-embodiment of the above embodiment, the number of sub-block matrices in the W1 matrix is indicated by the PMI.

As a sub-embodiment of the above embodiment, a correspondence between a sub-block matrix in the W1 matrix and RS resources in the first RS resource set that satisfy the first condition is indicated by the PMI.

As a sub-embodiment of the above-described embodiment, a correspondence between a sub-block matrix in the W1 matrix and the activated TRP or antenna panel is indicated by the PMI.

As a sub-embodiment of the above embodiment, when the number of RS resources satisfying the first condition in the first RS resource set is NRS ', the PMI includes at least one bitmap (bitmap) having NRS' bits of length indicating a correspondence between sub-block matrices in the W1 matrix and RS resources satisfying the first condition.

As a sub-embodiment of the above embodiment, when the number of TRP or antenna panels activated is NTRP ', the PMI includes at least one bitmap (bitmap) of length NTRP' bits indicating a correspondence between sub-block matrices in the W1 matrix and TRP or antenna panels activated.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "1", it indicates that the correspondence is established, whereas when the bit value is "0", it indicates that the correspondence is not established.

As a sub-embodiment of the above embodiment, when a bit value of a certain position in the bitmap (bitmap) is "0", it indicates that the correspondence is established, whereas when the bit value is "1", it indicates that the correspondence is not established.

As a sub-embodiment of the above embodiment, the number of rows of each sub-block matrix in the W1 matrix is P _CsI-RS, and the P _CsI-RS represents the number of TRP or antenna ports of the antenna panel, and the specific definition of p= _CSI-RS is found in section 5.2.2.2 in 3GPPTS38.214.

As a sub-embodiment of the above embodiment, the number of columns of each sub-block matrix in the W1 matrix is indicated by the PMI.

As a sub-embodiment of the above embodiment, when N sub-block matrices are included in the W1 matrix, the N-th sub-block matrix has a column number of 2×ln, and the N-th sub-block matrix has a column number { L1, L2,...

As a sub-embodiment of the above embodiment, when NL elements are in the optional combined set of the columns { L1, L2,. }, LN } of the N sub-block matrices, one length is included in the PMIA block of bits is used to indicate the value of { L1, L2,...

As a sub-embodiment of the above embodiment, the number and value of elements in the optional combined set of columns { L1, L2, }, LN } of the N sub-block matrices are configured by higher layer signaling.

As a sub-embodiment of the above embodiment, the number and value of elements in the optional combined set of the N number of columns { L1, L2,. }, LN } of the N number of sub-block matrices is configured by RRC signaling.

As a sub-embodiment of the above embodiment, the number and the value of the elements in the optional combined set of the N number of columns { L1, L2,. }, LN } of the N number of sub-block matrices depend on the number of RS resources in the first RS resource set that are not later than the CSI reference resource reported by the first CSI and satisfy the first condition.

As a sub-embodiment of the above embodiment, the number and value of elements in the optional combined set of N number of columns { L1, L2,..ln } of the N number of sub-block matrices depends on the number NTRP' of activated TRP or antenna panels.

As a sub-embodiment of the above embodiment, the sub-block matrix in the W1 matrix is DFT (Discrete Fourier Transform ) vector-based, and details of the spatial matrix based on the DFT vector are referred to in section 5.2.2.2 in 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, the sub-block matrix in the W1 matrix is based on an oversampled DFT (Discrete Fourier Transform ) vector, and details of an spatial matrix based on the oversampled DFT vector are described in section 5.2.2.2 in 3GPPTS38.214.

As a sub-embodiment of the above embodiment, the sub-block matrix in the W1 matrix is based on a port selection vector, and details of the spatial matrix based on the port selection vector are described in section 5.2.2.2 in 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, the determination of the vector in the W1 matrix is indicated by the PMI.

As a sub-embodiment of the above embodiment, each sub-block matrix in the W1 matrix is identical.

As a sub-embodiment of the above embodiment, each sub-block matrix in the W1 matrix is identical and is defined by a length in the PMIThe bit block of bits indicates that, at this time l1=l2 =.= LN.

As a sub-embodiment of the above embodiment, each sub-block matrix in the W1 matrix is different.

As a sub-embodiment of the above embodiment, each of the sub-block matrices in the W1 matrix is not identical, and the vector selection and determination in each sub-block matrix is indicated by a parameter group corresponding to the sub-block matrix in the PMI.

As a sub-embodiment of the above embodiment, an nth sub-block matrix of the W1 matrix is formed by one length of the PMIThe bit blocks of bits indicate.

As a sub-embodiment of the above embodiment, each sub-block matrix in the W1 matrix is indicated by at least the former of i _1,1 and i _1,2 in one parameter set of the PMI, the specific definition of i _1,1 is referred to in section 5.2.2.2.3 or section 5.2.2.2.4 in 3gpp ts38.214, and the specific definition of i _1,2 is referred to in section 5.2.2.2.3 in 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, the W2 matrix is identical at different data layers.

As a sub-embodiment of the above embodiment, the W2 matrix is different at different data layers.

As a sub-embodiment of the above embodiment, the W2 matrix is generated independently at different data layers.

As a sub-embodiment of the above embodiment, the W2 matrix is a block diagonal matrix.

As a sub-embodiment of the above embodiment, the W2 matrix is a block diagonal matrix, and each sub-block matrix corresponds to a sub-block matrix at the same position in the W1 matrix.

As a sub-embodiment of the above embodiment, the number of sub-block matrices in the W2 matrix is equal to the number of sub-block matrices in the W1 matrix.

As a sub-embodiment of the above embodiment, the number of rows of each sub-block matrix in the W2 matrix is equal to the number of columns of the sub-block matrix at the same position in the W1 matrix.

As a sub-embodiment of the above embodiment, the number of columns of each sub-block matrix in the W2 matrix is equal to 1.

As a sub-embodiment of the above embodiment, the number of columns of each sub-block matrix in the W2 matrix is indicated by higher layer signaling.

As a sub-embodiment of the above embodiment, the elements in the W2 matrix are quantized.

As a sub-embodiment of the above embodiment, the quantization mode of the elements in the W2 matrix is fixed.

As a sub-embodiment of the above embodiment, the quantization mode of the elements in the W2 matrix is configured by higher layer signaling.

As a sub-embodiment of the above embodiment, the quantization mode of the elements in the W2 matrix is configured by RRC signaling.

As a sub-embodiment of the above embodiment, the quantization of the elements in the W2 matrix is performed jointly on all data layers.

As a sub-embodiment of the above embodiment, the quantization of the elements in the W2 matrix is performed independently on each data layer.

As a sub-embodiment of the above embodiment, the quantization of the elements in the W2 matrix is performed globally.

As a sub-embodiment of the above embodiment, the quantization of the elements in the W2 matrix is performed in groups.

As a sub-embodiment of the above embodiment, the quantization of the elements in the W2 matrix is performed by polarization.

As a sub-embodiment of the above embodiment, the quantization of the elements in the W2 matrix is performed by a molecular block matrix.

As a sub-embodiment of the above embodiment, the quantized reference amplitude of the element in the W2 matrix is the amplitude of the element with the largest value in the W2 matrix.

As a sub-embodiment of the above embodiment, the reference amplitude adopted in each of the groups for quantization of the elements in the W2 matrix is the amplitude of the element having the largest value in the group.

As a sub-embodiment of the above embodiment, the PMI includes a bit block indicating a maximum amplitude of an element in the W2 matrix.

As a sub-embodiment of the above embodiment, the PMI includes at least one bit block indicating a reference magnitude of element quantization in the W2 matrix.

As a sub-embodiment of the above embodiment, the PMI includes a bit block for indicating a position of an element having the largest amplitude in the W2 matrix.

As a sub-embodiment of the above embodiment, when there are K _NZ non-zero elements in the W2 matrix, the PMI includes a length ofThe bit blocks of bits are used to indicate the position of the largest magnitude element in the W2 matrix.

As a sub-embodiment of the above embodiment, when there are K _NZ,TOT elements in the W2 matrix, the PMI includes a length ofThe bit blocks of bits are used to indicate the position of the largest magnitude element in the W2 matrix.

As a sub-embodiment of the above embodiment, the element with the largest amplitude in the W2 matrix is arranged in the first column of a sub-block matrix in the W2 matrix, and the row number of the W2 matrix isThe PMI includes a PMI having a length ofThe bit block of bits is used to indicate the number of rows where the largest magnitude element of the W2 matrix is located.

As a sub-embodiment of the above embodiment, when the W2 matrix includes only one sub-block matrix, the element with the largest amplitude in the W2 matrix is located in the first column of the W2 matrix, where the row number of the location where the element with the largest amplitude in the W2 matrix is located is indicated by i _1,8,l in a parameter set of the PMI, where the specific definition of i _1,8,l is described in section 5.2.2.2.5 or 5.2.2.2.6 in 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, when the W2 matrix includes only one sub-block matrix, the location of the largest-magnitude element in the W2 matrix is indicated by i _1,8,1 in a parameter set of the PMI, and the specific definition of i _1,8,l is described in section 5.2.2.2.7 in 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, the values of the elements in the W2 matrix are indicated by the PMI.

As a sub-embodiment of the above embodiment, the values of the elements in the W2 matrix are divided into two parts of amplitude and phase, and are both indicated by the PMI.

As a sub-embodiment of the above embodiment, the PMI contains a parameter or set of parameters indicating the magnitude of the values of the non-zero elements in the W2 matrix.

As a sub-embodiment of the above embodiment, the PMI contains a parameter or set of parameters indicating the phase of the values of the non-zero elements in the W2 matrix.

As a sub-embodiment of the above embodiment, the magnitude of the values of the elements in the W2 matrix is indicated by i _2,3,l and i _2,4,l in one parameter set of the PMI, the specific definition of i _2,3,l and i _2,4,1 being seen in section 5.2.2.2.5 or 5.2.2.2.6 in 3gpp ts 38.214.

As a sub-embodiment of the above embodiment, the phase of the values of the elements in the W2 matrix is indicated by i _2,5,l in one parameter set of the PMI, the specific definition of i _2,5,l is seen in section 5.2.2.2.5 or section 5.2.2.2.6 in 3GPPTS38.214.

As a sub-embodiment of the foregoing embodiment, the zero element in the W2 matrix does not need to perform the first CSI reporting.

As a sub-embodiment of the above embodiment, the number of non-zero elements in each sub-block matrix in the W2 matrix cannot exceed a certain value on each data layer.

As a sub-embodiment of the above embodiment, the number of non-zero elements in the W2 matrix cannot exceed a certain value on each data layer.

As a sub-embodiment of the above embodiment, the total number of non-zero elements in the sub-block matrix at the same position in the W2 matrix on all data layers cannot exceed a certain value.

As a sub-embodiment of the above embodiment, the total number of non-zero elements in the W2 matrix on all data layers cannot exceed a certain value.

As an subsidiary embodiment of the sub-embodiment described above, said certain value is fixed.

As an subsidiary embodiment of the sub-embodiment described above, said particular value is configurable.

As an subsidiary embodiment of the sub-embodiment described above, said certain specific value is configured by higher layer signalling.

As an additional embodiment of the above sub-embodiment, the certain specific value is configured by RRC signaling.

As an subsidiary embodiment of the sub-embodiment described above, said certain value is equal to K ₀, a specific definition of said K ₀ is found in 3gpp ts38.214, chapter 5.2.2.2.5 or 5.2.2.2.6.

As an subsidiary embodiment of the above sub-embodiment, said certain value is equal to 2 x K ₀, a specific definition of said K ₀ is found in 3gpp ts38.214, chapter 5.2.2.2.5 or 5.2.2.2.6.

As an subsidiary embodiment of the sub-embodiment described above, said particular value is equal to K ₀, and said K ₀ is specifically defined in section 9.1.2 of 3GPP Chair's notes RAN1#112bis-e.

As an subsidiary embodiment of the sub-embodiment described above, said particular value is equal to 2 XK ₀, a specific definition of said K ₀ being found in section 9.1.2 of 3GPP Chair's notes RAN1#112bis-e.

As a sub-embodiment of the above embodiment, the position of the non-zero element in the W2 matrix is indicated by the PMI.

As a sub-embodiment of the above embodiment, the PMI contains at least one parameter or set of parameters indicating the location of non-zero elements in the W2 matrix.

As a sub-embodiment of the above embodiment, the PMI includes at least one bitmap (bitmap) indicating positions of non-zero elements in the W2 matrix.

As a sub-embodiment of the above embodiment, the at least one bitmap (bitmap) corresponds to each sub-block matrix in the W2 matrix, respectively.

As a sub-embodiment of the above embodiment, the size of the bitmap (bitmap) is consistent with the size of the sub-block matrix in the W2 matrix, and one position in the bitmap (bitmap) corresponds to the same position of the sub-block matrix.

As a sub-embodiment of the above embodiment, a position of "1" in the bitmap indicates that the sub-block matrix is a non-zero element at the same position, and a position of "0" in the bitmap indicates that the sub-block matrix is a zero element at the same position.

As a sub-embodiment of the above embodiment, the position of the non-zero element in each sub-block matrix in the W2 matrix is indicated by i _1,7,l in a parameter set of the PMI, and the specific definition of i _1,7,1 is found in section 5.2.2.2.5 or section 5.2.2.2.6 in 3GPPTS38.214.

As a sub-embodiment of the above embodiment, the number of non-zero elements in the W2 matrix is indicated by the PMI.

As a sub-embodiment of the above embodiment, the number of non-zero elements in the W2 matrix is implicitly indicated by the PMI.

As one embodiment, the precoding matrix indicated by the PMI is a product of three matrices per data layer.

As an embodiment, the precoding matrix indicated by the PMI is a product of three matrices per data layer, wherein a first matrix is composed of the first set of spatial vectors, a second matrix comprises the first set of combining coefficients, and a third matrix is composed of the first set of frequency domain vectors.

In one embodiment, the precoding matrix indicated by the PMI is a W matrix on each data layer, and w=w1×w2×wf, wherein W1 matrix is composed of the first set of spatial vectors, W2 matrix includes the first set of combining coefficients, and Wf matrix is composed of the first set of frequency domain vectors.

As a sub-embodiment of the above embodiment, the specific definition and form of the W1 matrix, the W2 matrix and the Wf matrix are described in section 9.1.2 of 3GPP Chair's notes RANI#110.

As a sub-embodiment of the above embodiment, the PMI includes at least one parameter or parameter group indicating the Wf matrix.

As a sub-embodiment of the above embodiment, the PMI includes at least one parameter or parameter set indicating information related to the Wf matrix.

As a sub-embodiment of the above embodiment, the Wf matrix is identical at different data layers.

As a sub-embodiment of the above embodiment, the Wf matrix is different at different data layers.

As a sub-embodiment of the above embodiment, the Wf matrix is independently selected and determined at different data layers.

As a sub-embodiment of the above embodiment, the Wf matrix is composed of N sub-matrices, the N being equal to the number of sub-block matrices in the W1 matrix.

As a sub-embodiment of the above embodiment, the Wf matrix is [ Wf1, wf2, ], wfN ], wherein the Wf1 matrix to WfN matrix is comprised of a first set of frequency domain vectors.

As a sub-embodiment of the above embodiment, the number of columns of the Wf1 matrix to the WfN matrix is the same, and the number of columns is indicated by higher layer signaling.

As a sub-embodiment of the above embodiment, the number of rows from the Wf1 matrix to the WfN matrix is the same, and the number of rows is indicated by higher layer signaling.

As a sub-embodiment of the above embodiment, the number of rows from the Wf1 matrix to the WfN matrix is not the same, and the number of rows is indicated by higher layer signaling.

As a sub-embodiment of the above embodiment, the Wf matrix is [ Wf1, wf2, ], wfN ], wherein the Wf1 matrix to WfN matrix are all obtained by phase adjustment with the Wf0 matrix.

As a sub-embodiment of the above embodiment, the number of rows of the Wf0 matrix is N3, the number of columns of the Wf0 matrix is indicated by higher layer signaling, and the N3 is a parameter configured by higher layer signaling.

As a sub-embodiment of the above embodiment, wfn matrix phases are obtained from phases with Wf0 matrix adjustment parameters of Φ _n;

As a sub-embodiment of the above embodiment, the parameter Φ _n is equal to 0, i.e., wf= [ Wf0,...

As a sub-embodiment of the above embodiment, the value of the parameter phi _n is different on different data layers.

As a sub-embodiment of the above embodiment, the value of the parameter phi _n is the same on different data layers.

As a sub-embodiment of the above embodiment, the value of the parameter phi _n is indicated by the PMI.

As a sub-embodiment of the above embodiment, the value of the parameter phi _n is selected from an optional set and indicated by the PMI.

As an additional embodiment of the above sub-embodiment, the value of the parameter phi _n is selected from {0,1,. -%, N3 }.

As an additional embodiment of the sub-embodiment described above, the value of the parameter phi _n is selected from {0,1/4,1/2,3/4,1,5/4, }, N3-1/4.

As an auxiliary embodiment of the above sub-embodiment, the value of the parameter phi _n is determined by a length of one of the PMIsThe bit blocks of bits indicate.

As a sub-embodiment of the above embodiment, the determination of the vector in the Wf matrix is indicated by the PMI.

As a sub-embodiment of the above embodiment, the determination of the vectors in the matrices Wf1 to WfN in the Wf matrix is indicated by the PMI, respectively.

As a sub-embodiment of the above embodiment, the determination of the vector in each sub-matrix in the Wf matrix is indicated by i _1,6,l and i _1,5 in a parameter set of the PMI, and the specific definition of i _1,6,l and i _1,5 is referred to in 3gpp ts38.214, chapter 5.2.2.2.5 or 5.2.2.2.6.

As a sub-embodiment of the above embodiment, the determination of the vector in each sub-matrix in the Wf matrix is indicated by i _1,6 in a parameter set of the PMI, and the specific definition of i _1,6 is described in section 5.2.2.2.7 in 3gpp ts 38.214.

Example 13

Embodiment 13 illustrates a block diagram of a processing apparatus for use in a first node device according to an embodiment of the present application, as shown in fig. 13. In fig. 13, a processing apparatus 1300 in a first node device includes a first receiver 1301 and a first transmitter 1302.

The first receiver 1301 receives the first CSI reporting configuration;

The first transmitter 1302 sends a first CSI report;

In embodiment 13, the first CSI reporting configuration includes a first set of RS resources, the first set of RS resources being used for channel measurements, the first set of RS resources including one or more RS resources, the first information block being used to determine at least one index, an overhead of the first CSI reporting being dependent on whether at least one RS resource in the first set of RS resources satisfies a first condition, the first condition including being associated with the at least one index or the first condition including being unassociated with the at least one index.

As one embodiment, a first set of time slots includes at least one transmission opportunity of each RS resource in the first set of RS resources that satisfies the first condition that is no later than the CSI reference resource of the first CSI report, the RS resources in the first set of time slots of the first set of RS resources being used to obtain channel measurements for computing the first CSI report.

As one embodiment, the overhead of the first CSI report depends on a first parameter, the first parameter depends on the total number of RS resources in the first RS resource set when each RS resource in the first RS resource set which is not later than the CSI reference resource reported by the first CSI meets the first condition, and the first parameter depends on the number of RS resources in the first RS resource set which is not later than the CSI reference resource reported by the first CSI and meets the first condition when at least one RS resource in the first RS resource set which is not later than the CSI reference resource reported by the first CSI does not meet the first condition.

As one embodiment, the first CSI report comprises a first report amount, the overhead of the first report amount depends on the first parameter, when each RS resource of the first RS resource set, which is not later than the CSI reference resource reported by the first CSI, meets the first condition, the first parameter depends on the total number of RS resources in the first RS resource set, and when at least one RS resource of the first RS resource set, which is not later than the CSI reference resource reported by the first CSI, does not meet the first condition, the first parameter depends on the number of RS resources of the first RS resource set, which is not later than the CSI reference resource reported by the first CSI and meets the first condition.

As an embodiment, the first CSI report includes a PMI, the PMI depends on a first set of spatial vectors, and the first report amount is at least one parameter or a set of parameters related to the first set of spatial vectors in the PMI.

As an embodiment, the higher layer parameter indicates whether the overhead of the first CSI report depends on at least one RS resource in the first set of RS resources satisfying the first condition, or the overhead of the first CSI report depends on the first parameter, the first CSI report comprising a first indication, the first indication being used to determine whether the first parameter is the same as the total number of RS resources in the first set of RS resources.

As an embodiment, the first CSI reporting configuration comprises a second set of RS resources comprising one or more RS resources, and the second set of occasions comprises transmission occasions of at least one RS resource of the second set of RS resources that are no later than the CSI reference resource of the first CSI report, the second set of occasions being used for obtaining interference measurements for calculating the first CSI report.

As an embodiment, the first node device is a user equipment.

As an embodiment, the first node device is a relay node device.

As an embodiment, the first receiver 1301 includes at least one of { antenna 452, receiver 454, receive processor 456, multi-antenna receive processor 458, controller/processor 459, memory 460, data source 467} in embodiment 4.

As an example, the first transmitter 1302 includes at least one of { antenna 452, transmitter 454, transmit processor 468, multi-antenna transmit processor 457, controller/processor 459, memory 460, data source 467} in example 4.

Example 14

Embodiment 14 illustrates a block diagram of a processing apparatus for use in a second node device according to an embodiment of the present application, as shown in fig. 14. In fig. 14, the processing means 1400 in the second node device comprises a second transmitter 1401 and a second receiver 1402.

A second transmitter 1401 transmitting the first CSI reporting configuration;

a second receiver 1402, configured to receive a first CSI report;

in embodiment 14, the first CSI reporting configuration includes a first set of RS resources, the first set of RS resources being used for channel measurements, the first set of RS resources including one or more RS resources, the first information block being used to determine at least one index, an overhead of the first CSI reporting being dependent on whether at least one RS resource in the first set of RS resources satisfies a first condition, the first condition including being associated with the at least one index or the first condition including being unassociated with the at least one index.

As an embodiment, the second node device is a base station device.

As an embodiment, the second node device is a user equipment.

As an embodiment, the second node device is a relay node device.

As an example, the second transmitter 1401 includes at least one of { antenna 420, transmitter 418, transmission processor 416, multi-antenna transmission processor 471, controller/processor 475, memory 476} in example 4.

As an example, the second receiver 1402 includes at least one of { antenna 420, receiver 418, receive processor 470, multi-antenna receive processor 472, controller/processor 475, memory 476} in example 4.

Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described methods may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment may be implemented in a hardware form or may be implemented in a software functional module form, and the present application is not limited to any specific combination of software and hardware. The user equipment, the terminal and the UE in the application comprise, but are not limited to, unmanned aerial vehicles, communication modules on unmanned aerial vehicles, remote control airplanes, aircrafts, mini-planes, mobile phones, tablet computers, notebooks, vehicle-mounted Communication equipment, wireless sensors, network cards, internet of things terminals, RFID terminals, NB-IOT terminals, MTC (MACHINE TYPE Communication) terminals, eMTC (ENHANCED MTC ) terminals, data cards, network cards, vehicle-mounted Communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless Communication equipment. The base station or system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, a gNB (NR node B) NR node B, a TRP (TRANSMITTER RECEIVER Point, transmission/reception node), and other wireless communication devices.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any changes and modifications made based on the embodiments described in the specification should be considered obvious and within the scope of the present application if similar partial or full technical effects can be obtained.

Claims

1. A first node device used for wireless communication, comprising:

A first receiver receives a first CSI reporting configuration, wherein the first CSI reporting configuration includes a first RS resource set, the first RS resource set is used for channel measurement, and the first RS resource set includes one or more RS resources; receives a first information block, and the first information block is used to determine at least one index;

A first transmitter sends a first CSI report;

The overhead of the first CSI report depends on whether at least one RS resource in the first RS resource set satisfies a first condition; the first condition includes being associated with the at least one index, or the first condition includes being not associated with the at least one index.

2. The first node device according to claim 1 is characterized in that the first timing set includes at least one transmission timing of the CSI reference resource of the first CSI report for each RS resource in the first RS resource set that satisfies the first condition; the RS resources of the first RS resource set in the first timing set are used to obtain channel measurements for calculating the first CSI report.

3. The first node device according to claim 1 or 2 is characterized in that the overhead of the first CSI report depends on a first parameter; when each RS resource in the first RS resource set that is no later than the CSI reference resource reported by the first CSI satisfies the first condition, the first parameter depends on the total number of RS resources in the first RS resource set; when at least one RS resource in the first RS resource set that is no later than the CSI reference resource reported by the first CSI does not satisfy the first condition, the first parameter depends on the number of RS resources in the first RS resource set that are no later than the CSI reference resource reported by the first CSI and that satisfy the first condition.

4. The first node device according to any one of claims 1 to 3 is characterized in that the first CSI report includes a first reporting amount; the overhead of the first reporting amount depends on the first parameter; when each RS resource of the CSI reference resource in the first RS resource set that is no later than the first CSI report satisfies the first condition, the first parameter depends on the total number of RS resources in the first RS resource set; when at least one RS resource of the CSI reference resource in the first RS resource set that is no later than the first CSI report does not satisfy the first condition, the first parameter depends on the number of RS resources in the first RS resource set that are no later than the CSI reference resource in the first CSI report and satisfy the first condition.

5. The first node device according to claim 4 is characterized in that the first CSI report includes PMI, the PMI depends on a first spatial vector group, and the first reported quantity is at least one parameter or parameter group in the PMI related to the first spatial vector group.

6. The first node device according to any one of claims 1 to 5, characterized in that a higher layer parameter indicates whether the overhead reported by the first CSI depends on at least one RS resource in the first RS resource set to satisfy the first condition;

Alternatively, the overhead of the first CSI report depends on the first parameter, and the first CSI report includes a first indication, and the first indication is used to determine whether the first parameter is the same as the total number of RS resources in the first RS resource set.

7. The first node device according to any one of claims 1 to 6 is characterized in that the first CSI reporting configuration also includes a second RS resource set, the second RS resource set includes one or more RS resources; the second timing set includes a transmission timing of the CSI reference resource of at least one RS resource in the second RS resource set that is no later than the first CSI reporting, and the second timing set is used to obtain interference measurement for calculating the first CSI reporting.

8. A second node device used for wireless communication, comprising:

A second transmitter sends a first CSI reporting configuration, where the first CSI reporting configuration includes a first RS resource set, where the first RS resource set is used for channel measurement, and where the first RS resource set includes one or more RS resources; and sends a first information block, where the first information block is used to determine at least one index;

A second receiver receives a first CSI report;

9. A method in a first node for wireless communication, comprising:

receiving a first CSI reporting configuration, where the first CSI reporting configuration includes a first RS resource set, where the first RS resource set is used for channel measurement, and where the first RS resource set includes one or more RS resources;

Sending a first CSI report;

10. A method in a second node for wireless communication, comprising:

Sending a first CSI reporting configuration, where the first CSI reporting configuration includes a first RS resource set, where the first RS resource set is used for channel measurement, and where the first RS resource set includes one or more RS resources;

sending a first information block, wherein the first information block is used to determine at least one index;

receiving a first CSI report;