CN115603838A

CN115603838A - Channel State Information (CSI) reporting processing method, receiving method and related equipment

Info

Publication number: CN115603838A
Application number: CN202110778933.3A
Authority: CN
Inventors: 郑凯立; 孙鹏
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2023-01-13
Also published as: WO2023280212A9; WO2023280212A1

Abstract

The application discloses a CSI reporting processing method, a CSI receiving method and related equipment, and belongs to the technical field of communication. The CSI reporting processing method of the embodiment of the application comprises the following steps: the terminal determines a target CSI report; the terminal sends the target CSI report to network side equipment; the target CSI report comprises first CSI report information corresponding to single frequency network transmission, wherein the first CSI report information comprises first CSI, and the first CSI comprises at least one of the following: doppler frequency offset information, channel phase information, and channel delay information.

Description

Channel State Information (CSI) reporting processing method, receiving method and related equipment

Technical Field

The present application belongs to the field of communications technologies, and in particular, to a method for processing and receiving CSI report, and a related device.

Background

In a Single Frequency Network (SFN) transmission scenario, a Network-side device may have multiple Transmission Receiving Points (TRPs) to transmit the same data to a terminal at the same time. However, due to the different distances between the terminal and the plurality of TRPs, the time delay, phase and doppler frequency offset of the transmission signal from each TRP reaching the UE will be different, and the reception performance of the terminal is poor.

Disclosure of Invention

The embodiment of the application provides a Channel State Information (CSI) reporting processing method, a receiving method and related equipment, which can solve the problem of poor receiving performance of a terminal in an SFN transmission scene.

In a first aspect, a CSI reporting processing method is provided, where the method includes:

the terminal determines a target CSI report;

the terminal sends the target CSI report to network side equipment;

the target CSI report comprises first CSI report information corresponding to single frequency network transmission, wherein the first CSI report information comprises first CSI, and the first CSI comprises at least one of the following: doppler frequency offset information, channel phase information, and channel delay information.

In a second aspect, a CSI receiving method is provided, the method including:

network side equipment receives a target CSI report sent by a terminal;

In a third aspect, a CSI reporting apparatus is provided, where the apparatus includes:

a determination module to determine a target CSI report;

a first sending module, configured to send the target CSI report to a network side device;

the target CSI report comprises first CSI report information corresponding to single frequency network transmission, wherein the first CSI report information comprises first CSI, and the first CSI comprises at least one of the following items: doppler frequency offset information, channel phase information, and channel delay information.

In a fourth aspect, a CSI receiving apparatus is provided, the apparatus comprising:

a first receiving module, configured to receive a target CSI report sent by a terminal;

In a fifth aspect, a terminal is provided, the terminal comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method according to the first aspect.

In a sixth aspect, a terminal is provided, comprising a processor and a communication interface, wherein,

the processor is configured to determine a target CSI report;

the communication interface is used for sending the target CSI report to network side equipment;

In a seventh aspect, a network-side device is provided, which includes a processor, a memory, and a program or an instruction stored on the memory and executable on the processor, and when executed by the processor, the program or the instruction implements the steps of the method according to the first aspect.

In an eighth aspect, a network-side device is provided, which includes a processor and a communication interface, wherein,

the processor is used for receiving a target CSI report sent by a terminal;

In a ninth aspect, there is provided a readable storage medium having stored thereon a program or instructions which, when executed by a processor, carries out the steps of the method of the first aspect or carries out the steps of the method of the second aspect.

In a tenth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the method according to the first aspect, or to implement the steps of the method according to the second aspect.

In an eleventh aspect, there is provided a computer program/program product stored in a non-transitory storage medium for execution by at least one processor to implement the method of the first aspect, or to implement the method of the second aspect.

In the embodiment of the application, since at least one of the doppler frequency offset information, the channel phase information and the channel delay information is reported to the network side device through the CSI report, the network side device can perform corresponding operations according to the reported channel information, so as to improve the receiving performance of the terminal. Therefore, the embodiment of the application improves the receiving performance of the terminal in the SFN transmission scene.

Drawings

Fig. 1 is a block diagram of a network system to which an embodiment of the present application is applicable;

fig. 2 is a flowchart of a CSI reporting processing method according to an embodiment of the present application;

fig. 3 is a flowchart of a CSI receiving method according to an embodiment of the present application;

fig. 4 is a structural diagram of a CSI reporting processing apparatus according to an embodiment of the present application;

fig. 5 is a structural diagram of a CSI receiving apparatus according to an embodiment of the present application;

fig. 6 is a block diagram of a communication device according to an embodiment of the present application;

fig. 7 is a block diagram of a terminal according to an embodiment of the present application;

fig. 8 is a block diagram of a network side device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of protection of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" used herein generally refer to a class and do not limit the number of objects, for example, a first object can be one or more. In addition, "and/or" in the specification and the claims means at least one of connected objects, and a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-a) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), single-carrier Frequency Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably in embodiments of the present application, and the described techniques may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for purposes of example, and using NR terminology in much of the description below, these techniques may also be applied to applications other than NR system applications, such as 6th generation (6 g) communication systems.

Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network-side device 12. Wherein, the terminal 11 may also be called a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, the Wearable Device includes: smart watches, bracelets, earphones, glasses, and the like. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network-side device 12 may be a Base Station or a core network device, where the Base Station may be referred to as a node B, an evolved node B, an access Point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receive Point (TRP), or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, and it should be noted that in the embodiment of the present application, only the Base Station in the NR system is taken as an example, but the specific type of the Base Station is not limited.

For ease of understanding, some of the contents of the embodiments of the present application are described below:

1. SFN transmission mode.

Under SFN network deployment, multiple Remote Radio Head (RRH) units are connected to one indoor baseband processing unit (BBU), so that the terminal does not need to switch Base stations frequently in the process of high-speed movement. Meanwhile, a plurality of RRHs transmit the same data to the terminal.

Due to the different position relationship between the terminal and the plurality of RRHs, the power, the time delay, the phase and the Doppler frequency shift of the transmission signals of the plurality of RRHs reaching the terminal are different. When the UE is in different positions on the rail, the SFN signal transmitted to the UE will experience completely different channel characteristics. Especially when the latency of the SFN signal from two RRHs to reach the UE is large, the SFN signal may experience severe frequency domain deep fading. In addition, when the UE moves at a high speed between two RRHs, two doppler frequency offset effects with opposite signs exist in the received signal, so that the time domain of the SFN signal is deeply faded.

2. A Channel State Information (CSI) reporting framework.

In the CSI reporting framework of NR, it is done by the form of CSI reporting (for reporting) associated CSI resources (for measurement).

CSI reports may be configured in three types:

periodic CSI report (P-CSI): transmitting only on a Physical Uplink Control Channel (PUCCH);

semi-persistent CSI report (SP-CSI): transmitting on PUCCH or Physical Uplink Shared Channel (PUSCH);

aperiodic CSI report (AP-CSI): transmitted on PUSCH only.

The CSI resource configuration (resource setting/CSI-ResourceConfig) is as follows:

m is more than or equal to 1 resource configuration (resource setting);

one resource configuration contains S ≧ 1 CSI resource set (resource set);

one resource set comprises more than or equal to 1 CSI resources including CSI Reference signals (CSI Reference signals, CSI-RSs), CSI interference measurements (CSI-IM) and the like.

3. And reporting the CSI based on the PUSCH.

The PUSCH-based CSI reporting supports type I (TypeI) wideband or sub-band CSI, and also supports TypeII CSI.

For PUSCH-based type i, type ii and enhanced type ii CSI, one CSI report consists of two parts (Part 1 and Part 2), where the first Part of CSI (CSI Part1, which may also be referred to as Part 1) has a fixed load size and indicates the number of information bits (bit) of the second Part of CSI (CSI Part2, which may also be referred to as Part 2). For type i CSI feedback: part1 may include one or more of a Rank Indicator (RI), a CSI-RS Resource Indicator (CRI), a Channel Quality Indicator (CQI) of the first codeword; part2 contains one or more of a Precoding Matrix Indicator (PMI) and a CQI of the second codeword.

For type ii CSI feedback: part1 includes one or more of RI, CQI, and type ii CSI per layer non-zero wideband amplitude coefficient indication, and Part2 contains PMI for type ii CSI.

For enhanced TypeII CSI feedback: part1 includes an indication of the total number of RI, CQI, enhanced type ii CSI cross-layer non-zero amplitude coefficients, type ii containing PMI for the enhanced type ii CSI.

When the CSI reported based on the PUSCH contains Part1 and Part2, the UE may delete Part of the Part2 content, with the deletion rule of Part2 being in order of priority from high to low.

Wherein, for the enhanced TypeII CSI report, group 0 (Group 0) includes an index i _1,1 、i _1,2 And i _1,8,l (l =1, \8230;, v); group1 contains index i _1,5 (if reported), i _1,6,l High priority part i _1,7,l 、i _2,3,l High priority part i _2,4,l And a high priority part i _2,5,l (l =1, \8230;, v); group2 comprises a low priority part i _1,7,l Low priority part i _2,4,l And a low priority part i _2,5,l (l＝1,…,v)。

4. And CSI reporting based on PUCCH.

Periodic CSI reporting based on PUCCH formats 2, 3 and 4 supports wideband TypeI CSI;

the PUCCH-based semi-persistent CSI reporting supports TypeI CSI;

the semi-continuous CSI reporting based on PUCCH format 2 supports wideband TypeI CSI;

the semi-continuous CSI reporting based on PUCCH format 3 or 4 supports TypeI CSI and TypeII CSI Part1 of a wideband and a sub-band;

for the sub-band TypeI CSI, and based on PUCCH format 3 or 4 reporting, the CSI load may be divided into two parts (Part 1 and Part 2). Part1 includes Part or all of RI, CRI, CQI corresponding to the first codeword, and Part2 includes PMI and CQI corresponding to the second codeword.

If one CSI report includes two parts, part1 and Part2, the UE may delete the content of Part2, and the priority order is consistent with the priority table reported based on the PUSCH.

The following describes in detail a CSI reporting method provided in this embodiment with reference to some embodiments and application scenarios thereof.

Referring to fig. 2, fig. 2 is a flowchart of a method for reporting CSI according to an embodiment of the present application, and as shown in fig. 2, the method includes the following steps:

step 201, a terminal determines a target CSI report;

step 202, the terminal sends the target CSI report to a network side device;

In this embodiment, the target CSI report may only include the first CSI, or may include other information besides the first CSI. The first CSI can be understood as channel information, and since at least one of doppler frequency offset information, channel phase information, and channel delay information is reported to the network side device through the CSI report, the network side device can perform corresponding operations according to the reported channel information, so as to improve the performance of terminal reception. Therefore, the embodiment of the application improves the receiving performance of the terminal in the SFN transmission scene.

Optionally, the first CSI may be reported in the same CSI report with other CSI reporting information. For example, in some embodiments, the first CSI reporting information further includes second CSI, where the second CSI information includes at least one of: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

Optionally, the determining, by the terminal, a target CSI report includes:

the terminal determines the target CSI report according to a first CSI report amount in CSI report configuration sent by the network side equipment;

wherein the first CSI report amount includes any one of the following items:

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

In the embodiment of the present application, the wideband PMI may be understood as i1, or a wideband PMI corresponding to i 1. It should be understood that the first report quantity may be understood as CSI-related information that the network side device desires to report in the target CSI report, the terminal may determine the target CSI report based on the first report quantity, and the target CSI report determined by the terminal may include all information corresponding to the first CSI report quantity, or may be a subset corresponding to the first CSI report quantity. For example, when the first CSI report amount includes the CRI, the RI, the CQI, and the first CSI, the target CSI report may include the CRI, the RI, the CQI, and the first CSI, and may also include the RI, the CQI, and the first CSI.

Wherein the CRI may correspond to two NZP-CSI-RS resources from two Non-Zero Power CSI-RS (NZP-CSI-RS) resource sets, respectively, or two NZP-CSI-RS resources from two NZP-CSI-RS resource subsets from the same NZP-CSI-RS resource set. The CRI may also correspond to two sets of Tracking Reference Signal (TRS) resources, or two subsets of TRS resources from the same set of TRSs. The NZP-CSI-RS resource subset may be referred to as a NZP-CSI-RS resource group, and the TRS resource subset may be referred to as a TRS resource group.

Optionally, in some embodiments, the sending, by the terminal, the target CSI report to a network side device includes:

the terminal maps the first CSI reporting Information to a corresponding CSI domain in Uplink Control Information (UCI) according to a preset mapping rule;

and the terminal sends the uplink control information.

It should be understood that the preset mapping rule may be set according to actual needs, for example, in some embodiments, the preset mapping rule includes at least one of the following:

mapping CSI domains corresponding to the first CSI report information according to a first mapping sequence under the condition that a second part of CSI does not exist in the target CSI report;

mapping CSI domains corresponding to the first CSI reporting information according to a second mapping sequence under the condition that a second CSI part exists in the target CSI report and the target CSI domain corresponding to the first CSI is mapped to the first CSI part;

and mapping the CSI domains corresponding to the first CSI report information according to a third mapping sequence under the condition that the second CSI part exists in the target CSI report and the target CSI domain corresponding to the first CSI is mapped to the second CSI part.

In this embodiment of the application, the CSI second Part may be referred to as CSI Part2 or Part2, and specifically may include a PMI and a CQI corresponding to the second codeword. The CSI second Part may be referred to as CSI Part1 or Part1, and specifically may include Part or all of RI, CRI, and CQI corresponding to the first codeword.

Optionally, in some embodiments, the first mapping order comprises any one of:

the system comprises a CRI domain, an RI domain, an LI domain, a target CSI domain, a 0 filling domain, a PMI broadband information domain and a broadband CQI domain;

the system comprises a CRI domain, an RI domain, an LI domain, a 0 filling domain, a target CSI domain, a PMI broadband information domain and a broadband CQI domain;

the system comprises a CRI domain, an RI domain, an LI domain, a 0 filling domain, a PMI broadband information domain, a broadband CQI domain and a target CSI domain.

It should be understood that, in the embodiment of the present application, the bit length in the 0 padding field is associated with the length of the target CSI field. The CSI domains included in the first CSI reporting information are a full set or a subset of the CSI domains included in the first mapping order, that is, each domain in the first mapping order is a selectable item when mapping is performed, for example, when the first CSI reporting information includes a CRI, a CRI domain is mapped, and when the first CSI reporting information does not include a CRI, a CRI domain is not mapped. It should be noted that the number of each CSI field included in the first CSI reporting information may be one or more. For example, two target CSI fields may be included.

Taking the first CSI as doppler frequency offset information as an example, assuming that the first mapping order is CRI domain, RI domain, LI domain, 0 padding domain, PMI wideband information domain, wideband CQI domain, and target CSI domain, the mapping order of CSI domains in the target CSI report is as shown in the following table:

it should be understood that the doppler shift information field 2 may also be used to map differential doppler shift information.

Optionally, in some embodiments, there may be only one doppler shift information field for the target CSI report, as described in the following table:

similarly, in the following embodiments, the target CSI report may only have one doppler shift information field, and the description is not repeated.

Optionally, in some embodiments, the second mapping order comprises any one of:

the system comprises a CRI domain, an RI domain, a target CSI domain, a CQI domain and a non-zero broadband amplitude coefficient domain;

the system comprises a CRI domain, an RI domain, a CQI domain, a target CSI domain and a non-zero broadband amplitude coefficient domain;

the system comprises a CRI domain, an RI domain, a CQI domain, a non-zero broadband amplitude coefficient domain and a target CSI domain.

In this embodiment of the application, the CSI domains included in the first CSI reporting information are a complete set or a subset of the CSI domains included in the second mapping order, that is, each domain in the second mapping order is a selectable item during mapping, for example, when the first CSI reporting information includes a CRI, the CRI domain is mapped, and when the first CSI reporting information does not include the CRI, the CRI domain is not mapped.

Taking the first CSI as the doppler frequency offset information as an example, in an embodiment, the second mapping order is a CRI domain, an RI domain, a CQI domain, a non-zero wideband amplitude coefficient domain, and when the target CSI domain is, the mapping order of CSI domains in the target CSI report may be as shown in the following table:

in another embodiment, when the second mapping order is CRI domain, RI domain, CQI domain, and non-zero wideband amplitude coefficient domain, and the target CSI domain, the mapping order of CSI domains in the target CSI report may also be shown in the following table:

optionally, in some embodiments, the third mapping order comprises any one of:

a wideband CQI domain, an LI domain, a target CSI domain and a PMI wideband information domain;

a wideband CQI domain, an LI domain, a PMI wideband information domain and a target CSI domain.

Taking the first CSI as the doppler frequency offset information as an example, in an embodiment, when the third mapping order is a wideband CQI domain, an LI domain, a PMI wideband information domain, and a target CSI domain, the mapping order of CSI domains in a target CSI report may be as shown in the following table:

optionally, in some embodiments, the mapping, by the terminal, the first CSI reporting information to a CSI field corresponding to uplink control information according to a preset mapping rule further includes:

under the condition that a first reporting time corresponding to the first CSI is the same as a second reporting time corresponding to the second CSI, the terminal maps target information to a CSI domain corresponding to the uplink control information according to a preset mapping rule, wherein the target information comprises the first CSI and the second CSI;

executing a first operation under the condition that a first reporting occasion corresponding to the first CSI is different from a second reporting occasion corresponding to the second CSI information;

wherein the first operation comprises:

mapping the first CSI to a corresponding CSI domain in the uplink control information at the first reporting time;

not mapping the first CSI in the uplink control information at the second reporting opportunity; or setting information in a target CSI domain corresponding to the first CSI in the uplink control information to be a preset value.

In this embodiment of the present application, the first reporting timing and the second reporting timing may be the same or different, and under the condition that the first reporting timing and the second reporting timing are the same, each CSI field in the target CSI report may be directly mapped and reported. Under the condition that the first reporting time and the second reporting time are different, the corresponding CSI fields may be mapped at the corresponding reporting times, and for the CSI fields not mapped, a preset value is set in the uplink control information, for example, the information in the corresponding CSI fields is filled to 0.

Optionally, in some embodiments, the PMIs in the target CSI report include a first PMI and a second PMI;

wherein the first PMI is obtained based on a first NZP-CSI-RS resource measurement, and the second PMI is obtained based on a second NZP-CSI-RS resource measurement.

In this embodiment of the present application, the first NZP-CSI-RS resource and the second NZP-CSI-RS resource are configured by a network side device in CSI resource configuration, where the CSI resource configuration is associated with a CSI reporting configuration (report setting) corresponding to a CSI report.

Optionally, in some embodiments, the first CSI may be set in an independent CSI report for reporting, that is, in this embodiment, the first CSI report information may only include the first CSI, or may also include a CRI in addition to the first CSI report information.

In this embodiment, the determining, by the terminal, a target CSI report includes:

the terminal determines the target CSI report according to a second CSI report quantity in CSI report configuration sent by the network side equipment;

wherein the second CSI report amount includes any one of:

CRI and the first CSI;

the first CSI.

It should be understood that the first report quantity may be understood as CSI-related information that the network side device desires to report in the target CSI report, the terminal may determine the target CSI report based on the first report quantity, and the target CSI report determined by the terminal may include all information corresponding to the first CSI report quantity, or may be a subset corresponding to the first CSI report quantity. For example, when the first CSI report amount includes the CRI and the first CSI, the target CSI report may include the CRI and the first CSI, or may only include the first CSI.

Optionally, in some embodiments, the CRI is associated with a tracking reference signal, TRS, resource, which is a measurement resource of the first CSI.

In this embodiment of the present application, the manner in which the CRI is associated with the tracking reference signal TRS resource includes any one of the following:

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

It will be appreciated that the CRI being associated with a plurality of TRS resource sets can be understood as a combined association of CRI with one TRS resource set. The TRS resource subset can be referred to as a TRS resource group.

Optionally, the first CSI includes first channel information measured based on a first TRS resource and second channel information measured based on a second TRS resource, and the target CSI field corresponding to the first CSI includes at least one of:

a first CSI field for mapping the first channel information and a second CSI field for mapping the second channel information;

a third CSI field for jointly mapping the first channel information and the second channel information;

a fourth CSI field for mapping a difference value of the first channel information and the second channel information or an absolute value of the difference value of the first channel information and the second channel information.

In this embodiment of the present application, the first channel information and the second channel information belong to the same type of channel information, for example, both the first channel information and the second channel information are target channel information, and the target channel information includes at least one of doppler frequency offset information, channel phase information, and channel delay information.

Optionally, in some embodiments, before the terminal determines the target CSI report, the method further includes:

the terminal receives first indication information sent by network side equipment, wherein the first indication information is used for indicating a CSI reporting mode; the CSI reporting mode comprises at least one of a first reporting mode and a second reporting mode:

the first reporting mode comprises reporting a first object in one CSI report, wherein the first object comprises the first CSI report information and N pieces of second CSI report information which are in one-to-one correspondence with N pieces of single-sending receiving point transmission, and N is a positive integer; the second reporting mode includes reporting a second object in one CSI report, where the second object is CSI report information corresponding to optimal transmission in the single frequency network transmission and the N single-transmission receiving point transmissions.

In this embodiment of the present application, the specific value of N may be indicated by the network side device or agreed according to a default rule. It should be understood that, when the terminal reports the CSI report, the single transmission reception point transmission and the SFN transmission corresponding to the CSI report do not actually occur, and thus the transmission can be understood as a transmission hypothesis. In other words, the first reporting mode may be understood as that the terminal reports in one CSI report at the same time, the N single-transmission receiving points transmit CSI reporting information corresponding to respective hypotheses, and CSI reporting information corresponding to one SFN transmission hypothesis, and the network side device may determine, according to the CSI report reported by the terminal, to adopt the single-transmission receiving point transmission mode or the SFN transmission mode in subsequent transmission; the second reporting mode may be understood as that the terminal reports in one CSI report: and the N single-sending receiving point transmission hypotheses and CSI report information corresponding to a target transmission hypothesis in one SFN transmission hypothesis, wherein the target transmission hypothesis is an optimal transmission hypothesis.

Optionally, the optimal transmission may be determined based on at least one of the following parameters: CQI, RI, and doppler shift.

Optionally, in some embodiments, before the terminal receives the first indication information sent by the network side device, the method further includes:

and the terminal sends second indication information to the network side equipment, wherein the second indication information is used for indicating whether the capability of the terminal supports the CSI reporting mode.

In the embodiment of the application, the terminal can report whether the capability of the terminal supports the CSI reporting mode to the network side equipment, and then the network side equipment indicates the corresponding CSI reporting mode based on the report of the terminal, so that the CSI reporting of the terminal is further optimized.

Optionally, in some embodiments, the priority of the CSI report satisfies at least one of:

the priority of a first CSI report is higher than that of a CSI report carrying the first CSI, and the first CSI report is a CSI report carrying reference signal receiving power or a signal-to-interference-plus-noise ratio;

the priority of the CSI report carrying the first CSI is higher than that of the CSI report not carrying the first CSI;

the priority of the CSI report carrying the first CSI is higher than that of other CSI reports, and the other CSI reports comprise CSI reports except the first CSI report in the CSI reports not carrying the first CSI.

Optionally, in some embodiments, the target CSI report satisfies at least one of:

the priority of the first CSI report information is higher than that of the second CSI report information, or the priority of the second CSI report information is higher than that of the first CSI report information;

the priority of an aperiodic CSI report based on a Physical Uplink Shared Channel (PUSCH) report is higher than that of a semi-persistent CSI report based on the PUSCH report;

the priority of the semi-persistent CSI report based on the PUSCH report is higher than that of the semi-persistent CSI report based on a Physical Uplink Control Channel (PUCCH) report;

the semi-persistent CSI report based on the PUCCH report has a higher priority than the periodic CSI report based on the PUCCH report.

Referring to fig. 3, fig. 3 is a flowchart of another CSI receiving method according to an embodiment of the present application, and as shown in fig. 3, the method includes the following steps:

step 301, a network side device receives a target CSI report sent by a terminal;

Optionally, the first CSI reporting information further includes second CSI information, where the second CSI information includes at least one of the following: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

Optionally, before the network side device receives the target CSI report sent by the terminal, the method further includes:

the network side equipment sends CSI report configuration to the terminal;

wherein the CSI report configuration includes a first CSI report volume, the first CSI report volume is used for determining the target CSI report, and the first CSI report volume includes any one of:

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

Optionally, the PMI in the target CSI report includes a first PMI and a second PMI;

wherein the first PMI information is obtained based on first non-zero power channel state information reference signal resource measurement, and the second PMI information is obtained based on second non-zero power channel state information reference signal resource measurement.

Optionally, the first CSI reporting information further includes a CRI.

Optionally, before the network side device receives a target CSI report sent by a terminal, the method further includes:

the network side equipment sends CSI report configuration to the terminal;

wherein the CSI report configuration includes a second CSI report amount, the second CSI report amount is used to determine the target CSI report, and the second CSI report amount includes any one of:

CRI and the first CSI;

the first CSI.

Optionally, the CRI is associated with a tracking reference signal, TRS, resource, which is a measurement resource of the first CSI.

Optionally, the manner of associating the CRI with the tracking reference signal TRS resource includes any one of:

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

a first CSI field and a second CSI field, wherein the first CSI field is used for mapping the first channel information, and the second CSI field is used for mapping the second channel information;

a fourth CSI field for mapping a difference value of the first channel information and the second channel information, or an absolute value of the difference value of the first channel information and the second channel information.

the network side equipment sends first indication information to the terminal, wherein the first indication information is used for indicating a CSI reporting mode; the CSI reporting mode comprises at least one of a first reporting mode and a second reporting mode:

Optionally, the method further includes, in response to the first indication information sent by the network device to the terminal, that:

and the network side equipment receives second indication information sent by the terminal, wherein the second indication information is used for indicating whether the capability of the terminal supports the CSI reporting mode.

Optionally, the priority of the CSI report satisfies at least one of:

the priority of the CSI report carrying the first CSI is higher than that of other CSI reports, wherein the other CSI reports comprise CSI reports except the first CSI report in the CSI reports not carrying the first CSI.

Optionally, the target CSI report satisfies at least one of:

Optionally, the network side device determines that the optimal transmission corresponding to the target CSI report is a single frequency network transmission when a preset condition is met, where the preset condition includes at least one of:

the target CSI report carries the first CSI;

the CRI value in the CRI domain in the target CSI report is associated with single frequency network transmission;

the target CSI report comprises a first transmission indication domain, and the first transmission indication domain indicates that the target CSI report corresponds to single frequency network transmission.

It should be noted that, this embodiment is used as an implementation of the network-side device corresponding to the embodiment shown in fig. 2, and specific implementation thereof may refer to relevant descriptions of the embodiment shown in fig. 2 and achieve the same beneficial effects, and details are not described here to avoid repeated descriptions.

It should be noted that, in the CSI reporting processing method provided in this embodiment of the present application, the execution main body may be a CSI reporting processing apparatus, or a control module in the CSI reporting processing apparatus, configured to execute the CSI reporting processing method. In the embodiment of the present application, a CSI reporting processing apparatus is used as an example to execute a CSI reporting processing method, and the CSI reporting processing apparatus provided in the embodiment of the present application is described.

Referring to fig. 4, fig. 4 is a structural diagram of a CSI reporting apparatus according to an embodiment of the present application, and as shown in fig. 4, the CSI reporting apparatus 400 includes:

a determining module 401, configured to determine a target CSI report;

a first sending module 402, configured to send the target CSI report to a network side device;

Optionally, the first CSI report information further includes second CSI, and the second CSI information includes at least one of the following: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

Optionally, the determining module 401 is specifically configured to determine the target CSI report according to a first CSI report amount in a CSI report configuration sent by the network side device;

wherein the first CSI report amount includes any one of the following items:

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

Optionally, the first sending module 402 includes:

the mapping unit is used for mapping the first CSI reporting information to a corresponding CSI domain in uplink control information according to a preset mapping rule;

a sending unit, configured to send the uplink control information.

Optionally, the preset mapping rule includes at least one of:

under the condition that the second CSI part does not exist in the target CSI report, mapping a CSI domain corresponding to the first CSI report information according to a first mapping sequence;

Optionally, the first mapping order comprises any one of:

Optionally, the second mapping order comprises any one of:

CRI domain, RI domain, CQI domain, non-zero wideband amplitude coefficient domain, and target CSI domain.

Optionally, the third mapping order comprises any one of:

Optionally, the first sending module 402 is further configured to:

under the condition that a first reporting time corresponding to the first CSI is the same as a second reporting time corresponding to the second CSI, the terminal maps target information to a corresponding CSI domain in the uplink control information according to a preset mapping rule, wherein the target information comprises the first CSI and the second CSI;

executing a first operation under the condition that a first reporting time corresponding to the first CSI is different from a second reporting time corresponding to the second CSI information;

wherein the first operation comprises:

mapping the first CSI to a corresponding CSI domain in the uplink control information at the first reporting opportunity;

not mapping the first CSI in the uplink control information at the second reporting opportunity; or setting information in a target CSI domain corresponding to the first CSI in the uplink control information as a preset value.

Optionally, the PMIs in the target CSI report include a first PMI and a second PMI;

wherein the first PMI is obtained based on first non-zero power channel state information reference signal resource measurement, and the second PMI is obtained based on second non-zero power channel state information reference signal resource measurement.

Optionally, the first CSI reporting information further includes a CRI.

Optionally, the determining module is specifically configured to determine the target CSI report according to a second CSI report amount in the CSI report configuration sent by the network side device;

wherein the second CSI report amount includes any one of:

CRI and the first CSI;

the first CSI.

Optionally, the manner in which the CRI is associated with the tracking reference signal TRS resource includes any one of:

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

Optionally, the CSI reporting apparatus 400 further includes:

the device comprises a first receiving module and a second receiving module, wherein the first receiving module is used for receiving first indication information sent by network side equipment, and the first indication information is used for indicating a CSI reporting mode; the CSI reporting mode comprises at least one of a first reporting mode and a second reporting mode:

the first reporting mode comprises reporting a first object in a CSI report, wherein the first object comprises the first CSI report information and N pieces of second CSI report information which are in one-to-one correspondence with N pieces of single-sending receiving point transmission, and N is a positive integer; the second reporting mode includes reporting a second object in one CSI report, where the second object is CSI report information corresponding to optimal transmission in the single frequency network transmission and the N single-transmission receiving point transmissions.

Optionally, the first sending module 402 is further configured to: and sending second indication information to the network side equipment, wherein the second indication information is used for indicating whether the capability of the terminal supports the CSI reporting mode.

Optionally, the priority of the CSI report satisfies at least one of:

the priority of the CSI report carrying the first CSI is higher than that of other CSI reports, the other CSI reports comprise CSI reports except the first CSI report in the CSI reports not carrying the first CSI, and the first CSI report is a CSI report carrying reference signal received power or a signal-to-interference-plus-noise ratio.

Optionally, the target CSI report satisfies at least one of:

the priority of the first CSI reporting information is higher than that of the second CSI reporting information, or the priority of the second CSI reporting information is higher than that of the first CSI reporting information;

The CSI reporting processing apparatus provided in this embodiment of the present application can implement each process in the CSI reporting processing method embodiment, and is not described herein again to avoid repetition.

It should be noted that, in the CSI receiving method provided in the embodiment of the present application, the execution subject may be a CSI receiving apparatus, or a control module in the CSI receiving apparatus for executing the CSI receiving method. In the embodiment of the present application, a CSI receiving apparatus is taken as an example to execute a CSI receiving method, and the CSI receiving apparatus provided in the embodiment of the present application is described.

Referring to fig. 5, fig. 5 is a structural diagram of a CSI receiving apparatus according to an embodiment of the present application, and as shown in fig. 5, the CSI receiving apparatus 500 includes:

a second sending module 501, configured to receive a target CSI report sent by a terminal;

Optionally, the first CSI report information further includes second CSI information, where the second CSI information includes at least one of the following: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

Optionally, the second sending module 501 is further configured to send a CSI report configuration to the terminal;

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

wherein the first PMI information is obtained based on a first non-zero power channel state information reference signal resource measurement, and the second PMI information is obtained based on a second non-zero power channel state information reference signal resource measurement.

Optionally, the first CSI reporting information further includes a CRI.

CRI and the first CSI;

the first CSI.

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

Optionally, the second sending module 501 is further configured to send first indication information to the terminal, where the first indication information is used to indicate a CSI reporting mode; the CSI reporting mode comprises at least one of a first reporting mode and a second reporting mode:

Optionally, the CSI receiving apparatus 500 further includes:

a second receiving module, configured to receive second indication information sent by the terminal, where the second indication information is used to indicate whether the capability of the terminal supports the CSI reporting mode.

Optionally, the priority of the CSI report satisfies at least one of:

Optionally, the target CSI report satisfies at least one of:

the target CSI report carries the first CSI;

The CSI receiving apparatus provided in the embodiment of the present application can implement each process in the CSI receiving method embodiment, and is not described herein again to avoid repetition.

The CSI reporting processing apparatus and the CSI receiving apparatus in the embodiments of the present application may be apparatuses, apparatuses or electronic devices having an operating system, or may be components, integrated circuits, or chips in a terminal. The device can be a mobile terminal or a non-mobile terminal. For example, the mobile terminal may include, but is not limited to, the above-listed type of terminal 11, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a kiosk, or the like, and the embodiments of the present application are not limited in particular.

The CSI reporting processing apparatus and the CSI receiving apparatus provided in this embodiment of the application can implement each process implemented in the method embodiments in fig. 2 to fig. 3, and achieve the same technical effect, and are not described herein again to avoid repetition.

Optionally, as shown in fig. 6, an embodiment of the present application further provides a communication device 600, which includes a processor 601, a memory 602, and a program or an instruction stored in the memory 602 and capable of being executed on the processor 601, for example, when the communication device 600 is a terminal, the program or the instruction is executed by the processor 601 to implement each process of the above CSI reporting processing method embodiment, and can achieve the same technical effect. When the communication device 600 is a network-side device, the program or the instruction is executed by the processor 601 to implement the processes of the CSI receiving method embodiments, and the same technical effect can be achieved.

The embodiment of the application also provides a terminal, which comprises a processor and a communication interface, wherein the processor is used for determining a target CSI report; the communication interface is used for sending the target CSI report to network side equipment; the target CSI report comprises first CSI report information corresponding to single frequency network transmission, wherein the first CSI report information comprises first CSI, and the first CSI comprises at least one of the following: doppler frequency offset information, channel phase information, and channel delay information. The terminal embodiment corresponds to the terminal-side method embodiment, and all implementation processes and implementation manners of the method embodiment can be applied to the terminal embodiment and can achieve the same technical effect. Specifically, fig. 7 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present application.

The terminal 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, and the like.

Those skilled in the art will appreciate that the terminal 700 may further include a power supply (e.g., a battery) for supplying power to various components, which may be logically connected to the processor 710 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system. The terminal structure shown in fig. 7 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or may combine some components, or may be arranged differently, and thus, the description thereof is omitted.

It should be understood that in the embodiment of the present application, the input Unit 704 may include a Graphics Processing Unit (GPU) and a microphone, and the Graphics Processing Unit processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 706 may include a display panel, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes a touch panel and other input devices. Touch panels, also known as touch screens. The touch panel may include two parts, a touch detection device and a touch controller. Other input devices may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

In the embodiment of the present application, the radio frequency unit 701 receives downlink data from a network side device and then processes the downlink data in the processor 710; in addition, the uplink data is sent to the network side equipment. Generally, the radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 709 may be used to store software programs or instructions as well as various data. The memory 109 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. In addition, the Memory 709 may include a high-speed random access Memory (ram), and may further include a non-transitory Memory, wherein the non-transitory Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable ROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.

Processor 710 may include one or more processing units; alternatively, the processor 710 may integrate an application processor, which primarily handles operating system, user interface, and applications or instructions, etc., and a modem processor, which primarily handles wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 710.

Wherein the processor 710 is configured to determine a target CSI report

A radio frequency unit 701, configured to send the target CSI report to a network side device;

Optionally, the first CSI reporting information further includes second CSI, where the second CSI includes at least one of the following: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

Optionally, the processor 710 is specifically configured to determine the target CSI report according to a first CSI report amount in a CSI report configuration sent by the network side device;

wherein the first CSI report amount includes any one of:

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

Optionally, the radio frequency unit 701 includes:

a sending unit, configured to send the uplink control information.

Optionally, the preset mapping rule includes at least one of:

mapping CSI domains corresponding to the first CSI report information according to a second mapping sequence under the condition that a CSI second part exists in the target CSI report and a target CSI domain corresponding to the first CSI is mapped to a CSI first part;

and mapping the CSI domain corresponding to the first CSI reporting information according to a third mapping sequence under the condition that the second part of CSI exists in the target CSI report and the target CSI domain corresponding to the first CSI is mapped to the second part of CSI.

Optionally, the first mapping order comprises any one of:

Optionally, the second mapping order comprises any one of:

Optionally, the third mapping order comprises any one of:

Optionally, the radio frequency unit 701 is further configured to:

wherein the first operation comprises:

wherein the first PMI is obtained based on a first non-zero power channel state information reference signal resource measurement, and the second PMI is obtained based on a second non-zero power channel state information reference signal resource measurement.

Optionally, the first CSI reporting information further includes a CRI.

wherein the second CSI report amount includes any one of:

CRI and the first CSI;

the first CSI.

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

Optionally, the CSI reporting processing apparatus 400 further includes:

the first receiving module is used for receiving first indication information sent by network side equipment, wherein the first indication information is used for indicating a CSI reporting mode; the CSI reporting mode comprises at least one of a first reporting mode and a second reporting mode:

Optionally, the radio frequency unit 701 is further configured to: and sending second indication information to the network side equipment, wherein the second indication information is used for indicating whether the capability of the terminal supports the CSI reporting mode.

Optionally, the priority of the CSI report satisfies at least one of:

Optionally, the target CSI report satisfies at least one of:

The embodiment of the application also provides a network side device, which comprises a processor and a communication interface, wherein the communication interface is used for receiving a target CSI report sent by a terminal; the target CSI report comprises first CSI report information corresponding to single frequency network transmission, wherein the first CSI report information comprises first CSI, and the first CSI comprises at least one of the following items: doppler frequency offset information, channel phase information, and channel delay information. The embodiment of the network side device corresponds to the embodiment of the method of the network side device, and all implementation processes and implementation modes of the embodiment of the method can be applied to the embodiment of the network side device and can achieve the same technical effect.

Specifically, the embodiment of the application further provides a network side device. As shown in fig. 8, the network side device 800 includes: antenna 801, radio frequency device 802, baseband device 803. The antenna 801 is connected to a radio frequency device 802. In the uplink direction, the rf device 802 receives information via the antenna 801 and sends the received information to the baseband device 803 for processing. In the downlink direction, the baseband device 803 processes information to be transmitted and transmits the information to the radio frequency device 802, and the radio frequency device 802 processes the received information and transmits the processed information through the antenna 801.

The above band processing means may be located in the baseband means 803, and the method performed by the network side device in the above embodiment may be implemented in the baseband means 803, where the baseband means 803 includes a processor 804 and a memory 805.

The baseband device 803 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 8, where one of the chips is, for example, the processor 804, and is connected to the memory 805 to call up a program in the memory 805 to perform the network side device operations shown in the above method embodiments.

The baseband device 803 may further include a network interface 806, such as a common public radio interface (CPRI for short), for exchanging information with the radio frequency device 802.

Specifically, the network side device in the embodiment of the present application further includes: the instructions or programs stored in the memory 805 and capable of being executed on the processor 804, and the processor 804 calls the instructions or programs in the memory 805 to execute the methods executed by the modules shown in fig. 5, and achieve the same technical effects, which are not described herein for avoiding repetition.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the above CSI reporting processing method or CSI receiving method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.

The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement each process of the above CSI report processing method or CSI receiving method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.

An embodiment of the present application further provides a program product, where the program product is stored in a non-transitory storage medium, and the program product is executed by at least one processor to implement each process of the above CSI reporting processing method or CSI receiving method embodiment, and the same technical effect can be achieved, and is not described herein again to avoid repetition.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a base station) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.

Claims

1. A method for processing CSI report is characterized in that the method comprises the following steps:

the terminal determines a target CSI report;

the terminal sends the target CSI report to network side equipment;

2. The method of claim 1, wherein the first CSI report information further comprises a second CSI, the second CSI comprising at least one of: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

3. The method of claim 2, wherein the terminal determines a target CSI report, comprising:

the terminal determines the target CSI report according to a first CSI report quantity in CSI report configuration sent by the network side equipment;

wherein the first CSI report amount includes any one of:

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

4. The method of claim 2, wherein the terminal sends the target CSI report to a network side device, and comprises:

the terminal maps the first CSI reporting information to a corresponding CSI domain in uplink control information according to a preset mapping rule;

and the terminal sends the uplink control information.

5. The method of claim 4, wherein the preset mapping rule comprises at least one of:

6. The method of claim 5, wherein the first mapping order comprises any one of:

7. The method of claim 5, wherein the second mapping order comprises any one of:

8. The method of claim 5, wherein the third mapping order comprises any one of:

9. The method of claim 4, wherein the terminal maps the first CSI report information to a corresponding CSI field in uplink control information according to a preset mapping rule, and further comprising:

wherein the first operation comprises:

10. The method according to any of claims 3 to 9, wherein the PMI in the target CSI report comprises a first PMI and a second PMI;

11. The method of claim 1, wherein the first CSI report information further comprises a CRI.

12. The method of claim 1, wherein the terminal determines a target CSI report, comprising:

wherein the second CSI report amount includes any one of:

CRI and the first CSI;

the first CSI.

13. The method of claim 12, wherein the CRI is associated with a tracking reference signal, TRS, resource, which is a measurement resource for the first CSI.

14. The method of claim 13, wherein the CRI is associated with a tracking reference signal, TRS, resource in a manner comprising any one of:

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

15. The method of claim 1, wherein the first CSI includes first channel information measured based on a first TRS resource and second channel information measured based on a second TRS resource, and wherein the target CSI domain corresponding to the first CSI includes at least one of:

16. The method of claim 1, wherein before the terminal determines a target CSI report, the method further comprises:

17. The method according to claim 16, wherein before the terminal receives the first indication information sent by the network side device, the method further comprises:

18. The method of claim 16, wherein the priority of CSI reporting is at least one of:

the priority of the CSI report carrying the first CSI is higher than that of other CSI reports, the other CSI reports comprise CSI reports except the first CSI report in the CSI reports not carrying the first CSI, and the first CSI report is a CSI report carrying reference signal receiving power or a signal-to-interference-plus-noise ratio.

19. The method of claim 16, wherein the target CSI report satisfies at least one of:

20. A CSI receiving method, the method comprising:

the method comprises the steps that network side equipment receives a target CSI report sent by a terminal;

21. The method of claim 20, wherein the first CSI report information further comprises second CSI information, and wherein the second CSI information comprises at least one of: channel state information reference signal resource indication CRI, rank indication RI, layer indication LI, precoding matrix indication PMI and channel quality indication CQI.

22. The method of claim 21, wherein before the network-side device receives the target CSI report sent by the terminal, the method further comprises:

the network side equipment sends CSI report configuration to the terminal;

CRI, RI, LI, PMI, CQI and the first CSI;

CRI, RI, PMI, CQI and the first CSI;

CRI, RI, wideband PMI and the first CSI;

CRI, RI, wideband PMI, CQI and the first CSI;

CRI, RI, CQI, and the first CSI.

23. The method of claim 22, wherein the PMI in the target CSI report comprises a first PMI and a second PMI;

24. The method of claim 20, wherein the first CSI report information further comprises CRI.

25. The method of claim 20, wherein before the network-side device receives the target CSI report sent by the terminal, the method further comprises:

the network side equipment sends CSI report configuration to the terminal;

CRI and the first CSI;

the first CSI.

26. The method of claim 25, wherein the CRI is associated with a tracking reference signal, TRS, resource that is a measurement resource for the first CSI.

27. The method of claim 26, wherein the CRI is associated with a tracking reference signal, TRS, resource in a manner comprising any one of:

the CRI is associated with at least one TRS resource set;

the CRI is associated with at least one subset of TRS resources.

28. The method of claim 20, wherein the first CSI comprises first channel information measured based on a first TRS resource and second channel information measured based on a second TRS resource, and wherein the target CSI field for the first CSI comprises at least one of:

29. The method of claim 20, wherein before the network-side device receives the target CSI report sent by the terminal, the method further comprises:

30. The method according to claim 29, wherein the network side device sends the first indication information to the terminal, and the method further comprises:

31. The method of claim 29, wherein the priority of CSI reporting is at least one of:

32. The method of claim 29, wherein the target CSI report satisfies at least one of:

33. The method according to claim 29, wherein the network side device determines that the optimal transmission corresponding to the target CSI report is a single frequency network transmission if a preset condition is met, where the preset condition includes at least one of:

the target CSI report carries the first CSI;

34. A device for processing CSI reports, the device comprising:

a determination module to determine a target CSI report;

35. An apparatus for receiving Channel State Information (CSI), the apparatus comprising:

the first receiving module is used for receiving a target CSI report sent by a terminal;

36. A terminal, comprising: memory, processor and program stored on the memory and executable on the processor, the program when executed by the processor implementing the steps in the CSI report processing method according to any of claims 1 to 19.

37. A network-side device, comprising: memory, processor and program or instructions stored on the memory and executable on the processor, which when executed by the processor implement the steps in the channel state information, CSI, receiving method according to any of claims 20 to 33.

38. A readable storage medium, on which a program or instructions are stored, which, when executed by a processor, implement the steps of the CSI reporting processing method according to any one of claims 1 to 19, or which, when executed by a processor, implement the steps of the CSI receiving method according to any one of claims 20 to 33.