CN108289019B - Configuration method and device of transmission parameters, base station and terminal - Google Patents
Configuration method and device of transmission parameters, base station and terminal Download PDFInfo
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- H—ELECTRICITY
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Abstract
The invention provides a method and a device for configuring transmission parameters, a base station and a terminal, wherein the method comprises the following steps: determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers; and selecting the transmission parameter state setting needing to be configured from the second state setting set, and notifying a receiving end of the selection result through a physical layer bit state bit corresponding to the selected transmission parameter state setting.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for configuring transmission parameters, a base station, and a terminal.
Background
In a wireless communication system, a physical layer is mainly responsible for transmission configuration, which mainly includes downlink and uplink transmission configuration information for indicating some parameters related to downlink transmission and some parameters related to uplink transmission. These parameters are generally necessary parameters for downlink data channel or uplink data control channel transmission, and mainly include the following parameters:
and carrier indication parameters: indicating the scheduled carrier, and selecting the carrier in the schedulable carrier set through physical layer signaling;
resource allocation indication: indicating the allocated uplink or downlink resources for transmission. Indicating through physical layer signaling;
power control parameters: configuring the sending power adjustment quantity of uplink control or data, and indicating through physical layer signaling;
modulation coding mode parameters: informing a modulation mode and/or a coding mode, and indicating through physical layer signaling;
demodulation pilot frequency configuration parameters: including the location, density, port number, sequence configuration, etc. of the demodulation pilot. Indicating through physical layer signaling;
rate matching parameters: the method comprises some notifications of the number and the positions of the REs which do not send data or control information during receiving, so that the receiving end can accurately perform rate matching. Indicating through physical layer signaling;
transmission block configuration parameters: such as the number of codeword streams, the codeword stream to layer mapping parameters, etc.;
a precoding indication parameter: the precoding device is used for indicating precoding used in downlink or uplink transmission;
bias indication parameter: such as offset of ACK/NACK, and offset of CSI feedback.
Quasi Co-Location (QCL) information indicates parameters: the CSI-RS pilot, which indicates that the current data and the proprietary demodulation pilot DMRS are transmitted and notified are quasi co-located, has approximately the same delay spread, doppler shift, and average delay, and can be understood as being transmitted approximately at the same base station.
The indication of these parameters is limited by the signaling overhead of the physical layer, generally speaking, 1bit can only correspond to two configurations, 2bit corresponds to 4 configurations, and so on, since the signaling of the physical layer is more valuable, increasing the signaling overhead of the physical layer will lead to the reduction of the overall robustness of the control signaling and the increase of the error rate. With the development of the technology, the requirement on flexibility of the physical layer transmission parameter configuration is higher and higher, but the problem cannot be solved well by simply increasing the physical layer signaling overhead.
Disclosure of Invention
The embodiment of the invention provides a method and a device for configuring transmission parameters, a base station and a terminal, which are used for at least solving the problem that the physical layer signaling overhead is high in a configuration scheme of the transmission parameters in the related technology.
According to an embodiment of the present invention, a method for configuring transmission parameters is provided, including: determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers; selecting the transmission parameter state setting needing to be configured from the second state setting set; and informing the selection result to a receiving end through a bit state bit of the physical layer signaling corresponding to the transmission parameter state setting.
According to an embodiment of the present invention, a method for configuring transmission parameters is provided, including: determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers; and receiving a physical layer signaling from a sending end, and determining the transmission parameter state setting corresponding to the bit state bit of the physical layer signaling from the second state setting set.
According to another embodiment of the present invention, there is provided an apparatus for configuring transmission parameters, including: a determining module, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers; a selecting module, configured to select a transmission parameter state setting that needs to be configured from the second state setting set; and the notification module is used for notifying the selection result to a receiving end through a bit state bit of the physical layer signaling corresponding to the transmission parameter state setting.
According to another embodiment of the present invention, there is provided an apparatus for configuring transmission parameters, including: a determining module, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers; and the receiving module is used for receiving the physical layer signaling from the sending end and determining the transmission parameter state setting corresponding to the bit state bit of the physical layer signaling from the second state setting set.
According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is configured to store program code for performing the steps of: determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers; selecting the transmission parameter state setting needing to be configured from the second state setting set; and informing the selection result to a receiving end through a bit state bit of the physical layer signaling corresponding to the transmission parameter state setting.
According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is configured to store program code for performing the steps of: determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers; and receiving a physical layer signaling from a sending end, and determining the transmission parameter state setting corresponding to the bit state bit of the physical layer signaling from the second state setting set.
According to the invention, because the state setting in the subset (the second state setting set) of the first state setting set can be indicated according to the physical layer signaling bit state bit, the flexible switching of the second state setting set can be realized, and the limited physical layer signaling can be fully utilized to carry out transmission parameter configuration, so that the problem that the physical layer signaling cost is high in a configuration scheme of transmission parameters in the related technology can be solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a block diagram of a structure of a computer terminal according to an embodiment of the present invention;
fig. 2 is a flowchart of a configuration method of transmission parameters according to an embodiment of the present invention;
fig. 3 is a block diagram of a configuration apparatus of transmission parameters according to an embodiment of the present invention;
fig. 4 is a flowchart of another method for configuring transmission parameters according to an embodiment of the present invention;
fig. 5 is a flowchart of another method for configuring transmission parameters according to an embodiment of the present invention;
fig. 6 is a block diagram of another apparatus for configuring transmission parameters according to an embodiment of the present invention;
fig. 7 is a flow chart of an alternative method of configuring transmission parameters according to an embodiment of the present invention;
fig. 8 is a flow chart of another alternative method of configuring transmission parameters according to an embodiment of the present invention;
fig. 9 is a flow chart of another alternative method of configuring transmission parameters according to an embodiment of the present invention;
fig. 10 is a flowchart of another alternative method for configuring transmission parameters according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
For convenience of understanding, technical terms referred to in the embodiments of the present application are explained below:
setting the state: the RRC configures M sets, which are equivalent to M state settings, where there are X parameters in each set, and each parameter may take a different value. That is, each set has the same parameter, and the values of the parameters in the sets are partially or completely different, for example:
S0={UeID=1,PortID=1},S1={UeID=0,PortID=1}
S2={UeID=0,PortID=0},S1={UeID=1,PortID=0}
that is 4 state settings containing 2 two parameters.
The indication of parameters in the related technology is limited by the signaling overhead of the physical layer, generally speaking, 1bit can only correspond to two configurations, 2bit corresponds to 4 configurations, and so on, because the signaling of the physical layer is more precious, the increase of the signaling overhead of the physical layer can cause the control signaling overhead to be greatly increased, and the resource utilization rate of the system is reduced. With the development of the technology, the requirement on flexibility of the physical layer transmission parameter configuration is higher and higher, but the problem cannot be solved well by simply increasing the physical layer signaling overhead.
In order to solve the technical problem, the following technical scheme is adopted in the application:
the processing flow of the sending end is as follows:
this step 101: a sending end determines a first state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters; x > =1, M > =2, X, M are positive integers;
step 102: a sending end determines a second state setting set of transmission parameters, wherein the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x1< = X; m1< = M which are positive integers;
step 103: the sending end determines the mapping relation between the transmission parameter state setting in the second state setting set and the bit state bit of the physical layer signaling (namely the physical layer bit state bit);
step 104: the transmitting end selects the transmission parameter state setting needing to be configured from the second state setting set and informs the receiving end through the bit state bit of the physical layer signaling.
The processing flow of the receiving end is as follows:
step 111: a receiving end determines a first state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters; x > =1, M > =2, X, M are positive integers;
step 112: a receiving end determines a second state setting set of transmission parameters, wherein the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x1< = X; m1< = M which are positive integers;
step 113: the receiving end determines the mapping relation between the transmission parameter state setting in the second state setting set and the physical layer signaling bit state bit;
step 114: receiving physical layer signaling, determining transmission parameter state setting from the second state setting set according to state bits of physical layer signaling bits
The first set of state settings may be some of the cases shown in table 1:
TABLE 1
Here, na, nb and Nc may be all positive integers.
The transmission parameters mentioned above include some types of parameters:
carrier indication parameters: the scheduled carriers are assumed to have 16 carriers, and can be set corresponding to 8 states, which are respectively marked as CC0, CC1, 8230, and CC15. The carrier referred to herein may be an uplink carrier or a downlink carrier.
Resource pool for resource allocation: defining a region for resource allocation, the available system resources may be partitioned into multiple resource pools, and then the different resource pools may be mapped to different state settings for the parameter.
Power control parameters: configuring the transmission power adjustment amount of uplink control or data; the amount of adjustment may be in dB, such as-9 dB, -6dB, -3dB,0dB,3dB,6dB,9dB, etc.
Modulation coding mode parameters: informing a modulation mode and/or a coding mode; such as QPSK1/3 code rate, such as QPSK1/2 code rate, such as BPSK1/2 code rate, such as 16QAM1/2 code rate, such as 64QAM3/4 code rate, etc.
Demodulation pilot (DMRS) configuration parameters: including the time frequency position of the demodulation pilot frequency, the demodulation pilot frequency density, the number of demodulation pilot frequency ports, the configuration of the demodulation pilot frequency sequence and other parameters.
Rate matching parameters: the method comprises the following steps of informing the number and the positions of the REs which do not send data or control information during receiving, so that a receiving end can accurately carry out rate matching; for example, REs occupied by other signals or channels may be represented as zero power resource (ZP) resource, ZP CSI-RS zero power channel state information measurement pilot, ZP DMRS zero power demodulation pilot, and so on.
Transmission block configuration parameters: such as the number of codeword streams, codeword stream to layer mapping parameters, etc.;
precoding indication parameters: the precoding device is used for indicating precoding used in downlink or uplink transmission; a precoding codebook may be preset, and the codewords in the codebook correspond to the state settings of the precoding indication parameters.
Bias indication parameter: such as offset of ACK/NACK and offset of CSI feedback; offset generally refers to a time domain position relative to a time domain in which physical layer signaling is transmitted, and the magnitude of offset is generally a time domain symbol or a time slot or a subframe.
QCL information indicates parameters: the CSI-RS pilot, which indicates that the current data and the proprietary demodulation pilot DMRS are transmitted and notified are quasi co-located, has approximately the same delay spread, doppler shift, and average delay, and can be understood as being transmitted approximately at the same base station.
Based on the above principles, the present application provides the following embodiments.
Example 1
The method embodiment provided by embodiment 1 of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the example of the method running on a computer terminal as an example, fig. 1 is a block diagram of a hardware structure of a mobile terminal of a method for configuring transmission parameters according to an embodiment of the present invention. As shown in fig. 1, the computer terminal 10 may include one or more (only one shown) processors 102 (the processors 102 may include, but are not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA, etc.), a memory 104 for storing data, and a transmitting device 106 for communication functions. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the electronic device. For example, the computer terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be used to store software programs and modules of application software, such as program instructions/modules corresponding to the methods in the embodiments of the present invention, and the processor 102 executes various functional applications and data processing by executing the software programs and modules stored in the memory 104, so as to implement the above-mentioned methods. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the computer terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the computer terminal 10. In one example, the transmission device 106 includes a Network adapter (NIC) that can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 can be a Radio Frequency (RF) module, which is used to communicate with the internet in a wireless manner.
In addition, the computer terminal includes, but is not limited to, a base station, a terminal, and the like in the communication field.
In this embodiment, a method operating in the foregoing computer terminal is provided, and fig. 2 is a flowchart of a method for configuring transmission parameters according to an embodiment of the present invention, where as shown in fig. 2, the flowchart includes the following steps:
step S202, determining a first state setting set and a second state setting set of transmission parameters, wherein the second state setting set is a subset of the first state setting set, the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
step S204, selecting the transmission parameter state setting needing configuration from the second state setting set;
step S206, notifying the receiving end of the selection result by the physical layer bit status bit corresponding to the selected transmission parameter status setting.
Optionally, before step S206, the following steps may be further performed, but are not limited thereto: and determining the mapping relation between the transmission parameter state setting in the second state setting set and the physical layer signaling bit state bit.
Optionally, the method further comprises: determining the first set of state settings in accordance with:
the sending end and the receiving end agree on the first state setting set, or the sending end determines the first state setting set and configures the first state setting set to the receiving end through Radio Resource Control (RRC) signaling.
Optionally, the method further comprises: determining the first set of state settings in accordance with: the sending end and the receiving end agree on a determination rule of a second state setting set, and the sending end determines the second state setting set according to the rule; or the sending end determines a second state setting set and configures the second state setting set to the receiving end through a Media Access Control (MAC) layer signaling;
optionally, the physical layer signaling further includes indication information of a second state setting set; or the sending end informs the indication information of the second state setting set through additional physical layer signaling. The first is a three-layer structure, namely RRC- > MAC- > PHY, and the second is a two-layer structure, namely RRC- > PHY. For the second configuration method, since there is no function of selecting a subset in the middle of the MAC layer, it is equivalent to that PHY signaling needs to be directly selected from a large set of parameters configured by RRC signaling, and thus additional indication information may be needed.
Optionally, the first state setting set and/or the second state setting set are determined according to a resource set to which a physical layer signaling belongs, where the resource set includes: a subframe group set, a carrier group set and a spatial resource set.
Optionally, the X transmission parameters include at least one of: a power control parameter; a carrier indication parameter; a time-frequency resource allocation indication parameter; modulating a coding mode indication parameter; an indication parameter of a mapping mode from a transmission block to a transmission layer; demodulating pilot frequency configuration indication parameters; configuration indication parameters of the phase noise pilot frequency; a rate matching information indication parameter; a precoding indication parameter; an offset indicating parameter; a transmission mode indication parameter; the retransmission information indicates a parameter.
Wherein the power control parameters include: downlink power distribution parameters and uplink power control parameters; the carrier indication parameters comprise downlink carrier indication parameters and uplink carrier indication parameters; the time-frequency resource allocation indication parameter comprises a downlink resource allocation indication parameter and an uplink resource allocation indication parameter; the modulation and coding scheme indication parameter comprises: a downlink modulation coding mode indication parameter and an uplink modulation coding mode indication parameter; the indication parameters of the mapping mode from the transmission block to the transmission layer comprise: indicating parameters of a mapping mode from a downlink transmission block to a transmission layer and indicating parameters of a mapping mode from an uplink transmission block to a transmission layer;
the demodulation pilot configuration indication parameter comprises: configuring indication parameters of downlink demodulation pilot frequency and/or uplink demodulation pilot frequency; the DMRS configuration information indication includes, but is not limited to, the following parameters: scrambling code sequence indication information, DMRS sequence types, DMRS cyclic shift, OCC indication information, time-frequency resource indication information, DMRS port indication information and the like;
the configuration indication parameters of the phase noise pilot frequency comprise: configuring indication parameters for the downlink phase noise pilot frequency and/or the uplink phase noise pilot frequency; the rate matching information indication parameters comprise a zero-power DMRS, a zero-power phase noise pilot frequency, a zero-power measurement pilot frequency and the like; the precoding indication parameters include: data precoding indication parameters and pilot frequency precoding indication parameters; bias indication parameter: such as offset of ACK/NACK, and offset of CSI feedback.
Optionally, the preset mapping relationship includes: the same physical layer bit status bit indicates the joint status setting information of multiple types of transmission parameters.
Optionally, the multiple types of transmission parameters at least include: configuring parameters of a non-zero power demodulation reference signal (DMRS) and a phase noise pilot frequency; or,
the multi-class transmission parameters at least comprise: layer number configuration parameters and phase noise pilot frequency configuration parameters; or,
the multi-class transmission parameters at least comprise: layer number configuration parameters and rate matching parameters; or,
the multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power phase noise pilot frequency ZP PTRS configuration parameter; or alternatively
The multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power channel state information pilot frequency ZP CSI-RS configuration parameter; or,
the multi-class transmission parameters at least comprise: a transmission mode indication parameter and a precoding indication parameter.
The present embodiment provides a base station, configured to implement the foregoing method, where the base station includes: a processor, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers; selecting the transmission parameter state setting needing to be configured in the second state setting set; and the communication module is used for informing the receiving end of the selection result through the physical layer bit state bit corresponding to the selected transmission parameter state setting.
Optionally, the preset mapping relationship includes: the same physical layer bit status bit indicates the joint status setting information of multiple types of transmission parameters.
Compared with the prior art, the scheme provided by the embodiment supports more flexible transmission parameter configuration on the basis of not obviously increasing the signaling overhead of the physical layer, and the main reason is that the second state setting set can be flexibly switched, and the state setting corresponding relation between the state bit of the physical control signaling and the second state design set can be quickly switched by the MAC layer or the physical layer (PHY layer) to provide more flexibility than that of the prior art;
on one hand, the embodiment provides a new multi-layer joint configuration scheme for solving the problem that flexible transmission parameter configuration is difficult to realize through limited physical layer signaling overhead in the prior art, and the scheme provides higher flexibility without obviously increasing physical layer signaling overhead;
in addition, in the embodiment of the present application, some joint coding methods are also proposed to more efficiently utilize the physical layer signaling bits.
Alternatively, the main body of the above steps may be a base station, a terminal, etc., but is not limited thereto.
Compared with the prior art, the embodiment supports more flexible transmission parameter configuration on the basis of not obviously increasing the signaling overhead of the physical layer, and the main reason is that the second state setting set can be flexibly switched, and the corresponding relationship between the state bit of the physical control signaling bit and the state setting in the second state design set can be quickly switched by the MAC layer or the physical layer (PHY layer) to provide more flexibility than that of the prior art.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
The present embodiment provides a device for configuring transmission parameters, which is configured to implement the method described above, as shown in fig. 3, the device includes:
a determining module 30, configured to determine a first state setting set and a second state setting set of transmission parameters, where the second state setting set is a subset of the first state setting set, the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
a selecting module 32, configured to select a transmission parameter state setting to be configured from the second state setting set;
a notifying module 34, configured to notify the receiving end of the selection result through a physical layer bit status bit corresponding to the selected transmission parameter status setting.
Optionally, the same physical layer bit status bit indicates joint status setting information of multiple types of transmission parameters.
Example 3
The present embodiment provides a method for configuring transmission parameters, as shown in fig. 4, including:
step S402, determining a first state setting set and a second state setting set of transmission parameters, wherein the second state setting set is a subset of the first state setting set, the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers;
step S404, determining the mapping relationship between the bit state bit of the physical layer signaling (namely, the bit state bit of the physical layer) and the transmission parameter state setting;
step S406, receiving a physical layer signaling from the sending end, and determining a transmission parameter status setting corresponding to the bit status bit of the physical layer signaling from the second status setting set according to the mapping relationship.
Optionally, the method further includes: determining the first set of state settings in the following manner: the sending terminal and the receiving terminal appoint a first state setting set, or receive RRC signaling and determine the first state setting set according to the RRC signaling.
Optionally, the method further includes: determining the second set of state settings in the following manner: the sending end and the receiving end agree on a determination rule of a second state setting set, and the receiving end determines the second state setting set according to the rule; or the receiving end receives the MAC layer signaling to determine the second state setting set.
Optionally, the method further includes: determining the second set of state settings in the following manner: and determining the second state setting set according to the indication information of the second state setting set contained in the received physical layer signaling.
Optionally, the first state setting set and/or the second state setting set are determined according to the following manner: determining a first state setting set and/or a second state setting set according to a subframe set to which physical layer signaling belongs;
optionally, the X transmission parameters include at least one of:
a power control parameter; a carrier indication parameter; a resource allocation indication parameter; modulating a coding mode indication parameter; an indication parameter of a transport block to transport layer mapping mode; demodulating pilot frequency configuration indication parameters; configuration indication parameters of the phase noise pilot frequency; a rate matching information indication parameter; a precoding indication parameter; the offset indicates a parameter.
Optionally, the same physical layer bit status bit indicates joint status setting information of multiple types of transmission parameters.
Optionally, the foregoing multiple types of transmission parameters at least include: non-zero power DMRS configuration parameters and phase noise pilot configuration parameters; or,
the aforementioned multiple types of transmission parameters at least include: layer number configuration parameters and phase noise pilot frequency configuration parameters; or,
the aforementioned multiple types of transmission parameters at least include: layer number configuration parameters and rate matching parameters; or,
the multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power phase noise pilot frequency ZP PTRS configuration parameter; or
The multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power channel state information pilot frequency ZP CSI-RS configuration parameter; or,
the multi-class transmission parameters at least comprise: a transmission mode indication parameter and a precoding indication parameter.
Example 4
The present embodiment provides a method for configuring transmission parameters, as shown in fig. 5, the method includes:
step S502, determining a first state setting set and a second state setting set of transmission parameters, wherein the second state setting set is a subset of the first state setting set, the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
step S504, receiving the physical layer signaling from the sending end, and determining the transmission parameter status setting corresponding to the bit status bit of the physical layer signaling from the second status setting set.
Optionally, the method further includes: determining the first set of state settings in the following manner:
the sending end and the receiving end agree on a first state setting set, or receive RRC signaling and determine the first state setting set according to the RRC signaling.
Optionally, the method further includes: determining the second set of state settings in the following manner: the sending end and the receiving end agree on a determination rule of a second state setting set, and the receiving end determines the second state setting set according to the rule; or the receiving end receives the MAC layer signaling to determine the second state setting set.
Optionally, the method further includes: determining the second set of state settings in the following manner: and determining the second state setting set according to the indication information of the second state setting set contained in the received physical layer signaling.
Optionally, the first state setting set and/or the second state setting set are determined according to the following modes: and determining the first state setting set and/or the second state setting set according to the subframe set to which the physical layer signaling belongs.
Optionally, the X transmission parameters include at least one of: a power control parameter; a carrier indication parameter; a resource allocation indication parameter; modulating a coding mode indication parameter; an indication parameter of a transport block to transport layer mapping mode; demodulating pilot frequency configuration indication parameters; configuration indication parameters of the phase noise pilot frequency; a rate matching information indication parameter; a precoding indication parameter; the offset indicates a parameter.
Optionally, the correspondence between the bit status bit of the physical layer and the transmission parameter status setting is determined by: the same physical layer bit status bit indicates the joint status setting information of multiple types of transmission parameters.
Optionally, the foregoing multiple types of transmission parameters at least include: a non-zero power demodulation reference signal (DMRS) configuration parameter and a phase noise pilot configuration parameter; or,
the aforementioned multiple types of transmission parameters at least include: layer number configuration parameters and phase noise pilot frequency configuration parameters; or,
the aforementioned multiple types of transmission parameters at least include: layer number configuration parameters and rate matching parameters; or,
the multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power phase noise pilot frequency ZP PTRS configuration parameter; or,
the multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power channel state information pilot frequency ZP CSI-RS configuration parameter; or,
the multi-class transmission parameters at least comprise: a transmission mode indication parameter and a precoding indication parameter.
The main body for executing the above steps may be a terminal, and in this case, the structure of the terminal may refer to the structure of the computer terminal shown in fig. 1, but is not limited thereto. For example, the terminal includes:
a processor, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X, M are positive integers;
and the communication module is used for receiving the physical layer signaling from the sending end and determining the transmission parameter state setting corresponding to the bit state bit of the physical layer signaling from the second state setting set.
Optionally, the preset mapping relationship includes: the same physical layer bit status bit indicates the joint status setting information of multiple types of transmission parameters.
Example 5
In this embodiment, a configuration device of transmission parameters is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not repeated for what has been described. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 6 is a block diagram of another apparatus for configuring transmission parameters according to an embodiment of the present invention. As shown in fig. 6, the apparatus includes:
a determining module 60, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
a receiving module 62, configured to receive a physical layer signaling from a sending end, and determine, from the second state setting set, a transmission parameter state setting corresponding to a bit state bit of the physical layer signaling.
Optionally, the same physical layer bit status bit indicates the joint status setting information of multiple types of transmission parameters
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Example 6
For the above-mentioned first state setting set, the sending end may configure the first state setting set to the receiving end through RRC signaling after determining the first state setting set according to the current network scenario, antenna configuration, and the like. After receiving RRC signaling, a receiving end determines M state settings of X transmission parameters contained in a state setting set;
for the above-mentioned second state setting set, the sending end may configure the second state setting set to the receiving end through MAC signaling after determining the second state setting set according to the current channel condition, the number of users, and the like. After receiving the MAC signaling, the receiving end determines M1 state settings of X1 transmission parameters contained in the second state setting set;
a simple case is that the transceiving end agrees on the relationship between the second set of status settings to the status bits of the physical layer signaling bits, such as a simple in-order mapping, as shown in table 2:
TABLE 2
There is also a case where one physical layer signaling status bit corresponds to a plurality of different types of transmission parameter status settings, as shown in table 3
TABLE 3
After configuring the second state setting set, the base station may configure the final transmission parameter state setting through physical layer signaling. The receiving end determines the final transmission parameter state setting by receiving the physical layer signaling. The specific flow is shown in fig. 7.
Example 7
For the above-mentioned first set of state settings, it may be configured by the transceiving end convention or RRC signaling. The receiving end determines M state settings of X transmission parameters contained in a state setting set according to convention or after receiving RRC signaling;
for the above-mentioned second state setting set, the sending end may determine the second state set according to some rules, for example, according to a subframe group to which physical layer signaling belongs. And the receiving end determines the M1 state settings of the X1 transmission parameters contained in the second state setting set according to an agreed rule. Shown in Table 4 or 5:
TABLE 4
Or
TABLE 5
After configuring the second state setting set, the base station may configure the final transmission parameter state setting through physical layer signaling. The receiving end determines the final transmission parameter state setting by receiving the physical layer signaling. As shown in fig. 8.
Example 8
For the above-mentioned first set of state settings, it may be configured by the transceiving end convention or RRC signaling. The receiving end determines M state settings of X transmission parameters contained in a state setting set according to convention or after receiving RRC signaling;
for the above-mentioned second state setting set, the second state set may be configured by the sending end according to the current channel state by physical layer signaling or by a combination of MAC layer signaling and physical layer signaling. And the receiving end determines the M1 state settings of the X1 transmission parameters contained in the second state setting set according to an agreed rule. For example:
TABLE 6
After configuring the second state setting set, the base station may configure the final transmission parameter state setting through physical layer signaling. The receiving end determines the final transmission parameter state setting by receiving the physical layer signaling. As shown in fig. 9.
Example 9
For the above-mentioned first set of state settings, it may be configured by the transceiving end convention or RRC signaling. The receiving end determines M state settings of X transmission parameters contained in a state setting set according to convention or after receiving RRC signaling;
for the above-mentioned second set of state settings, the second set of state settings may be determined by the transmitting end according to some rules and in conjunction with MAC signaling, for example, according to the subframe group to which MAC signaling belongs. And the receiving end determines the M1 state settings of the X1 transmission parameters contained in the second state setting set according to an agreed rule. For example:
TABLE 7
Or
TABLE 8
After configuring the second state setting set, the base station may configure the final transmission parameter state setting through physical layer signaling. The receiving end determines the final transmission parameter state setting by receiving the physical layer signaling. As shown in fig. 10.
Example 10
The following describes the joint configuration process of the three pilots DMRS, PTRS, ZP-DMRS and the parameters related to the three pilots.
After the transmitting end determines according to the current network scene, the antenna configuration and the like, a first state setting set of DMRS, PTRS and ZP-DMRS is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines 8 state settings of the first state setting set according to the rule agreed in advance. For example, the following table shows 8 states, including the number of layers of transmission data, the corresponding DMRS port number, the ID of the scrambling cell, the correlation parameter of PTRS for tracking phase, and the time-frequency resource pattern of ZP-DMRS.
TABLE 9
The sending end configures a second state setting set to the receiving end through the MAC signaling or a rule agreed in advance according to the current channel condition, the resource scheduling condition, the CQI information fed back by the user and the like. The receiving end receives the MAC signaling and/or determines the state setting of the second state setting set according to a rule agreed in advance; the sending end selects 4 states from the first state setting set as a second state setting set according to a certain rule and/or a rule agreed in advance through MAC signaling. For example, 4 states are determined by MAC layer signaling in conjunction with a pre-agreed rule:
watch 10
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 11
The joint configuration of ZP PTRS and ZP DMRS is illustrated below.
The parameters related to the ZP PTRS comprise a time domain resource indication and a frequency domain resource indication of the ZP PTRS, and the parameters related to the ZP DMRS comprise the time domain resource indication and the frequency domain resource indication of the ZP DMRS.
After the transmitting end determines according to the current network scene, the antenna configuration and the like, the first state setting set of the ZP PTRS and the ZP DMRS is configured through RRC signaling configuration and/or a rule agreed in advance, and the receiving end receives the RRC signaling or determines the first state setting set according to the rule agreed in advance. As shown in table 11, the base station configures 4 first state setting sets through 1-bit RRC signaling.
TABLE 11
The sending end configures a second state setting set to the receiving end through MAC signaling or a rule agreed in advance according to the current channel condition, ACK/NACK information fed back by the user, CQI information and the like. The receiving end receives the MAC signaling or determines a second state setting set according to a rule agreed in advance; for example, the sending end selects 2 states from the first state setting set as a second state setting set according to a certain rule through 1-bit MAC signaling, as shown in table 12:
TABLE 12
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
The configuration method and the configuration process are also suitable for joint configuration of the ZP PTRS and the ZP DMRS, joint configuration of the ZP DMRS and the ZP CSI-RS, joint configuration of the ZP PTRS and the ZP CSI-RS and joint configuration of the ZP PTRS, the ZP DMRS and the ZP CSI-RS.
Example 12
Various methods of configuring the carrier indication parameter are specifically described in accordance with the methods in embodiments 6 to 9.
And carrier indication parameters: the carrier indicating scheduling may be an uplink carrier or a downlink carrier
After the sending end determines according to the current network scene, the antenna configuration and the like, the sending end configures a first state setting set related to carriers through RRC signaling, and the receiving end determines the first state setting set through receiving the RRC signaling. For example, it is assumed that there are 8 carriers, which are denoted as CC0, CC1, 8230, and CC7, respectively, and are set for 8 states. The first set of state settings for the RRC signaling configuration is shown in table 13.
Watch 13
Here, a value of CCk (k =0,1, \ 8230;, 7) indicates that the carrier CCk is not scheduled, and a value of 1 indicates that the carrier CCk is available for scheduling.
And the sending end configures a second state setting set through the physical layer signaling and the set configuration indication information. And the receiving end receives the physical layer signaling and the set configuration indication information to determine a second state setting set. For example, the second state setting set is determined using 1-bit physical layer signaling and 2-bit set configuration indication information as shown in table 14.
TABLE 14
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 13
Method for configuring resource allocation in accordance with embodiments 6-9
Resource pool for resource allocation: defining a region for resource allocation, the available system resources may be partitioned into multiple resource pools, and then the different resource pools may be mapped to different state settings for the parameter
After the sending end determines according to the current network scenario, antenna configuration and the like, the sending end divides the time domain resource and/or the frequency domain resource into 4 resource pools R0 to R3 through RRC signaling or a rule agreed in advance, and the different resource pools correspond to different state settings of transmission parameters, namely a first state setting set. The receiving end determines the first state setting set by receiving the RRC signaling or implementing the agreed rule. For example, a first set of state settings configured by a pre-agreed rule is shown in table 15 below:
watch 15
The resource pool in the table is that the system divides system resources (time domain resources and/or frequency domain resources) according to a certain rule, and the transmission parameters in the table can be CSI-RS, DMRS, PTRS, ZP CSI-RS, ZP DMRS, ZP PTRS and the like. Taking the CSI-RS as an example, the state settings include information such as the number of ports of the CSI-RS, pattern indication of the CSI-RS, and CSI-RS sequence type indication parameters.
After configuring the first state setting set, the sending end configures the second state setting set through the MAC signaling of 1bit, and the mapping relationship of the 1bit can be shown in the following table. The receiving end receives the MAC signaling to be aware of the second set of state settings.
TABLE 16
After configuring the second state setting set, the sending end synthesizes the current channel condition, the resource scheduling condition and the CQI information fed back by the user, and configures the final transmission parameter setting through the physical layer signaling. The receiving end determines the final transmission parameter setting by receiving the physical layer signaling.
Example 14
The following describes various configuration methods of power control parameters in detail with reference to the state configuration methods in embodiments 6 to 9
Power control parameters: configuring the transmission power adjustment amount of uplink control or data; the amount of adjustment may be in dB, such as-9 dB, -6dB, -3dB,0dB,3dB,6dB,9dB, etc.
After the sending end determines according to the current network scene, the antenna configuration and the like, a first state setting set of the power control parameters is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines 8 state settings of 2 transmission parameters contained in the first state setting set according to the rule agreed in advance. For example:
TABLE 17
The sending end configures a second state setting set to the receiving end through MAC signaling or a rule agreed in advance according to the current channel condition, ACK/NACK information fed back by the user and the like. The receiving end receives the MAC signaling or determines 2 state settings of 2 transmission parameters contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 4 states from the first state setting set as a second state setting set according to a certain rule or a rule agreed in advance through a 2-bit MAC signaling. E.g. by MAC layer signaling:
watch 18
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 15
The following describes various methods for configuring modulation coding parameters in combination with the state configuration method in embodiments 6 to 9
Modulation coding mode parameters: and informing the modulation mode and/or the coding mode and the code rate.
After the sending end determines according to the current network scene, the antenna configuration and the like, a first state setting set of modulation coding mode parameters is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines 8 state settings of 2 transmission parameters contained in the first state setting set according to the rule agreed in advance. For example:
watch 19
The sending end configures a second state setting set to the receiving end through MAC signaling or a rule agreed in advance according to the current channel condition, ACK/NACK information fed back by the user and the like. The receiving end receives the MAC signaling or determines 2 state settings of 2 transmission parameters contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 2 states from the first state setting set as the second state setting set according to a certain rule or a rule agreed in advance through 1-bit MAC signaling. E.g. by MAC layer signaling:
watch 20
Or, the determination is performed by a predetermined manner, for example, the predetermined second state setting set is the first 4 parameter configuration sets of the first state setting set:
TABLE 21
Preassigned parameter configuration | Modulation system | Code rate |
State 1 | QPSK | 1/3 |
State 2 | QPSK | 1/2 |
State 3 | 16QAM | 1/2 |
State 4 | 16QAM | 3/4 |
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 16
Various methods for configuring the demodulation pilot parameters will be specifically described below with reference to the state configuration methods in embodiments 6 to 9.
Demodulation pilot (DMRS) configuration parameters: the method comprises the parameters of time-frequency position of demodulation pilot frequency, demodulation pilot frequency density, demodulation pilot frequency port number, demodulation pilot frequency sequence configuration and the like.
After the sending end determines according to the current network scene, the antenna configuration and the like, a first state setting set of the pilot frequency parameters is demodulated for the receiving end through RRC signaling configuration or a predetermined rule, and the receiving end receives the RRC signaling or determines 8 state settings of 4 transmission parameters contained in the first state setting set according to the predetermined rule. For example:
TABLE 22
The OFDM symbol set Sk = { T1, T2, \8230;, tn } represents that the time domain position of the demodulation pilot is the T1, T2, \8230;, tn OFDM symbols, the carrier set Ck = { F1, F2, \8230;, fn } represents that the frequency domain position of the demodulation pilot is the F1, F2, \8230;, fn carrier of each resource block.
And after the sending end determines the current channel condition, the number of users and the like, configuring a second state set to the receiving end through MAC signaling or a rule agreed in advance. The receiving end receives the MAC signaling or determines 2 state settings of 5 transmission parameters contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 2 states from the first state setting set as a second state setting set according to a certain rule or a rule agreed in advance through a 1-bit MAC signaling:
TABLE 23
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 17
The following describes various methods for configuring the rate matching parameters in combination with the state configuration methods in embodiments 6 to 9
Rate matching parameters: the method comprises the following steps of informing the number and the positions of the REs which do not send data or control information during receiving, so that a receiving end can accurately carry out rate matching; for example, the RE occupied by other signals or channels may be represented as zero power resource (ZP) resource, ZP CSI-RS zero power channel state information measurement pilot, ZP DMRS zero power demodulation pilot, ZP PTRS zero power phase tracking pilot, and so on.
After the sending end determines according to the current network scene, the antenna configuration and the like, a first state setting set of the rate matching parameters is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines the state setting contained in the first state setting set according to the rule agreed in advance. For example:
watch 24
And configuring a second state setting set to a receiving end through MAC signaling or a rule agreed in advance according to the network configuration condition, the resource scheduling condition and the like of the transmitting end. The receiving end receives the MAC signaling or determines 2 state settings of 2 transmission parameters contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 2 states from the first state setting set as the second state setting set according to a certain rule or a rule agreed in advance through 1-bit MAC signaling. E.g. by MAC layer signaling:
TABLE 25
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 18
The following describes various configuration methods of transport block configuration parameters in combination with the status configuration methods in embodiments 6 to 9
Transmission block configuration parameters: such as the number of codeword streams, the number of transport layers, codeword stream to layer mapping parameters, etc.;
after the sending end determines according to the current network scene, the antenna configuration and the like, the first state setting set of the transmission block configuration parameters is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines 16 state settings of 3 transmission parameters contained in the first state setting set according to the rule agreed in advance. For example:
watch 26
And the sending end configures a second state set to the receiving end through the MAC signaling or a predetermined rule according to the current channel condition and the feedback of the user. The receiving end receives the MAC signaling or determines 4 state settings of 3 transmission parameters contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 4 states from the first state setting set as a second state setting set according to a certain rule or a rule agreed in advance through a 2-bit MAC signaling:
watch 27
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 19
The following describes various configuration methods of precoding indication parameters in combination with the state configuration methods in embodiments 6 to 9
Precoding indication parameters: the precoding device is used for indicating precoding used in downlink or uplink transmission; a precoding codebook may be preset, and the codewords in the codebook correspond to the state settings of the precoding indication parameters.
After the sending end determines according to the current network scene, the antenna configuration and the like, a first state setting set of downlink precoding is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines that the first state setting set comprises the joint configuration of parameters of two types of codebooks according to the rule agreed in advance. For example:
watch 28
The sending end configures a second state setting set to the receiving end through MAC signaling or a rule agreed in advance according to the current channel condition, ACK/NACK information fed back by the user, uplink feedback overhead and the like. The receiving end receives the MAC signaling or determines 2 state settings of 2 transmission parameter sets contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 2 states from the first state setting set as the second state setting set according to a certain rule or a rule agreed in advance through 1-bit MAC signaling. E.g. by MAC layer signaling:
watch 29
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 20
The following describes various configuration methods of the offset indication parameters in combination with the state configuration methods in embodiments 6 to 9
Bias indication parameter: such as offset of ACK/NACK and offset of CSI feedback; the offset generally refers to a time domain position relative to a time domain where physical layer signaling is transmitted, and the offset is generally a time domain symbol or a time slot or a subframe.
After the transmitting end determines according to the current network scene, the antenna configuration and the like, a first state setting set of the offset indication parameters is configured through RRC signaling configuration or a rule agreed in advance, and the receiving end receives the RRC signaling or determines that the first state setting set comprises a combined configuration set of ACK/NACK offset and CSI feedback offset according to the rule agreed in advance. For example:
watch 30
And configuring a second state setting set to a receiving end through MAC signaling or a rule agreed in advance according to the network configuration condition, the resource scheduling condition and the like of the transmitting end. The receiving end receives the MAC signaling or determines 2 state settings of 2 transmission parameters contained in the second state setting set according to a rule agreed in advance; for example, the sending end selects 2 states from the first state setting set as the second state setting set according to a certain rule or a rule agreed in advance through 1-bit MAC signaling. E.g. by MAC layer signaling:
watch 31
Then, the sending end selects 1 from the second state setting set as the final transmission parameter setting by using the physical layer signaling or the rule agreed in advance. The receiving end receives the physical layer signaling or determines the final transmission parameter setting according to the rule agreed in advance.
Example 21
The following illustrates a configuration method of parameters related to DMRS.
The parameters related to the DMRS comprise pattern of the DMRS, DMRS sequence type, DMRS port ID, transmission layer number, OCC value of the DMRS, RPF value of the DMRS, comb offset of the DMRS and other information.
And the sending end configures a first state setting set related to the DMRS parameters through RRC signaling according to the current antenna configuration, the channel condition, the CSI information fed back by the user and the resource scheduling condition. The receiving end receives the RRC signaling to determine a first state setting set. For example, as shown in the following table, 2-bit RRC signaling configures a first set of state settings comprising 8 states.
Watch 32
After configuring the first state setting set, the sending end configures a second state setting set through MAC layer signaling. And the receiving end determines a second state setting set according to the received MAC signaling. In this example, assuming that the RRC signaling state bit is 1, a first set of state settings containing 4 states is determined, and then the MAC signaling configures a second set of state settings with 1 bit.
Watch 33
After configuring the second state setting set, the sending end configures final transmission parameter settings through physical layer signaling. And the receiving end determines the final transmission parameter setting according to the received physical layer signaling. In this example, assuming that the MAC signaling status bit is 0, a second set of status settings comprising 2 states is determined, and finally the final transmission parameter configuration is determined using 1-bit physical layer signaling, as shown in table 34 below.
Watch 34
Example 22
The following illustrates a configuration method related to QCL parameters. QCL-related parameters include, but are not limited to, the following listed parameters: DMRS parameter information, PTRS parameter information, MBSFN subframe parameter information, ZP CSI-RS parameter information for rate matching, configuration information of data channel start symbol parameters, NZP CSI-RS information for QCL, and the like.
And the sending end configures a first state setting set related to the QCL through a predetermined rule according to the current network configuration, the number of antennas and the resource scheduling condition. The receiving end can determine the first state setting set according to a predetermined rule. For example, the first set of default state settings is shown in Table 35 below.
Watch 35
After configuring the first state setting set, the sending end configures a second state setting set through MAC layer signaling. And the receiving end determines a second state setting set according to the received MAC signaling. Assume that the second set of state settings is determined from the first set of state settings using 1-bit MAC signaling, as shown in table 36 below.
Watch 36
After configuring the second state setting set, the sending end configures final transmission parameter settings through physical layer signaling. And the receiving end determines the final transmission parameter setting according to the received physical layer signaling. In this example, assuming that the MAC signaling status bit is 0, a second set of status settings comprising 2 states is determined, and finally the final transmission parameter configuration is determined using 1-bit physical layer signaling, as shown in table 37 below.
Watch 37
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized in a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a memory device and executed by a computing device, and in some cases, the steps shown or described may be executed out of order, or separately as individual integrated circuit modules, or multiple modules or steps thereof may be implemented as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (20)
1. A method for configuring transmission parameters, comprising:
determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
selecting transmission parameter state setting needing configuration from a second state setting set, and notifying a receiving end of a selection result through a bit state bit of a physical layer signaling corresponding to the selected transmission parameter state setting;
wherein the first set of state settings is determined in accordance with: the sending end and the receiving end agree on the first state setting set, or the sending end determines the first state setting set and configures the first state setting set to the receiving end through a Radio Resource Control (RRC) signaling;
wherein the second set of state settings is determined in accordance with: the sending end and the receiving end agree on a determination rule of a second state setting set, and the sending end determines the second state setting set according to the rule; or the sending end determines a second state setting set and configures the subframe group to the receiving end through the subframe group to which the media access control MAC layer signaling belongs.
2. The method of claim 1, wherein the physical layer signaling further comprises indication information of a second set of status settings; or the sending end informs the indication information of the second state setting set through additional physical layer signaling.
3. The method according to claim 1, wherein the first set of state settings and/or the second set of state settings are determined according to a set of resources to which physical layer signaling belongs, the set of resources comprising: a subframe group set, a carrier group set and a spatial resource set.
4. The method of claim 1, wherein the X transmission parameters comprise at least one of: a power control parameter; a carrier indication parameter; a time-frequency resource allocation indication parameter; modulating a coding mode indication parameter; an indication parameter of a transport block to transport layer mapping mode; demodulating pilot frequency configuration indication parameters; configuration indication parameters of the phase noise pilot frequency; a rate matching information indication parameter; a precoding indication parameter; an offset indicating parameter; a quasi co-location information indication parameter; a transmission mode indication parameter; the retransmission information indicates a parameter.
5. The method according to any of claims 1 to 4, wherein the same physical layer bit status bit indicates joint status setting information of multiple types of transmission parameters.
6. The method of claim 5,
the multi-class transmission parameters at least comprise: a non-zero power demodulation reference signal (DMRS) configuration parameter and a phase noise pilot configuration parameter; or,
the multi-class transmission parameters at least comprise: layer number configuration parameters and phase noise pilot frequency configuration parameters; or,
the multi-class transmission parameters at least comprise: layer number configuration parameters and rate matching parameters; or,
the multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power phase noise pilot frequency ZP PTRS configuration parameter; or
The multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power channel state information pilot frequency ZP CSI-RS configuration parameter; or,
the multi-class transmission parameters at least comprise: a transmission mode indication parameter and a precoding indication parameter.
7. A method for configuring transmission parameters, comprising:
determining a first state setting set and a second state setting set of transmission parameters, wherein the first state setting set comprises M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and comprises M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
receiving a physical layer signaling from a sending end, and determining transmission parameter state setting corresponding to a bit state bit of the physical layer signaling from the second state setting set;
wherein the first set of state settings is determined in accordance with: the sending end and the receiving end appoint a first state setting set, or receive RRC signaling and determine the first state setting set according to the RRC signaling;
wherein the second set of state settings is determined in accordance with: the sending end and the receiving end agree on a determination rule of a second state setting set, and the receiving end determines the second state setting set according to the rule; or the receiving end receives the subframe group to which the MAC layer signaling belongs to determine a second state setting set.
8. The method of claim 7, further comprising: determining the second set of state settings in accordance with: and determining the second state setting set according to the received indication information of the second state setting set contained in the physical layer signaling.
9. The method according to claim 7, wherein the first and/or second set of state settings are determined according to: and determining the first state setting set and/or the second state setting set according to the subframe set to which the physical layer signaling belongs.
10. The method of claim 7, wherein the X transmission parameters comprise at least one of:
a power control parameter; a carrier indication parameter; a resource allocation indication parameter; modulating a coding mode indication parameter; an indication parameter of a transport block to transport layer mapping mode; demodulating pilot frequency configuration indication parameters; configuration indication parameters of the phase noise pilot frequency; a rate matching information indication parameter; a precoding indication parameter; an offset indicating parameter; the quasi-co-location information indicates a parameter.
11. The method according to any of claims 7 to 10, wherein the correspondence of the physical layer bit status bit to the transmission parameter status setting is determined by: the same physical layer bit status bit indicates the joint status setting information of multiple types of transmission parameters.
12. The method of claim 11,
the multi-class transmission parameters at least comprise: a non-zero power demodulation reference signal (DMRS) configuration parameter and a phase noise pilot configuration parameter; or,
the multi-class transmission parameters at least comprise: layer number configuration parameters and phase noise pilot frequency configuration parameters; or,
the multi-class transmission parameters at least comprise: layer number configuration parameters and rate matching parameters; or,
the multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power phase noise pilot frequency ZP PTRS configuration parameter; or
The multi-class transmission parameters at least comprise: a zero-power demodulation reference signal ZP DMRS configuration parameter and a zero-power channel state information pilot frequency ZP CSI-RS configuration parameter; or,
the multi-class transmission parameters at least comprise: a transmission mode indication parameter and a precoding indication parameter.
13. An apparatus for configuring transmission parameters, comprising:
a determining module, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
a selecting module, configured to select a transmission parameter state setting that needs to be configured from the second state setting set;
a notification module, configured to notify a receiving end of a selection result by using a bit state bit of a physical layer signaling corresponding to the selected transmission parameter state setting;
wherein the determining module is further configured to determine the second set of state settings in accordance with: a sending end and a receiving end agree on a determination rule of a second state setting set, and the sending end determines the second state setting set according to the rule; or the sending end determines a second state setting set and configures the subframe group to which the MAC layer signaling belongs to the receiving end through the medium access control;
wherein the determining module is further configured to determine the first set of state settings in accordance with: the sending end and the receiving end appoint the first state setting set, or the sending end determines the first state setting set and configures the first state setting set to the receiving end through a Radio Resource Control (RRC) signaling;
14. the apparatus of claim 13, wherein the bit status bits of the same physical layer signaling indicate joint status setting information of multiple types of transmission parameters.
15. An apparatus for configuring transmission parameters, comprising:
a determining module, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
a receiving module, configured to receive a physical layer signaling from a sending end, and determine, from the second state setting set, a transmission parameter state setting corresponding to a bit state bit of the physical layer signaling;
wherein the determining module is further configured to determine the second set of state settings in accordance with: the sending end and the receiving end agree on a determination rule of a second state setting set, and the receiving end determines the second state setting set according to the rule; or the receiving end receives the subframe group to which the MAC layer signaling belongs to determine a second state setting set;
wherein the determining module is further configured to determine the first set of state settings in accordance with: the sending end and the receiving end agree on a first state setting set, or receive RRC signaling and determine the first state setting set according to the RRC signaling.
16. The apparatus of claim 15, wherein the bit status bits of the same physical layer signaling indicate joint status setting information of multiple types of transmission parameters.
17. A base station, comprising:
a processor, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers; selecting the transmission parameter state setting needing to be configured in the second state setting set;
the communication module is used for informing the selection result to a receiving end through the state bit of the physical layer bit signaling corresponding to the selected transmission parameter state setting;
the processor is further configured to agree with the receiving end for a rule for determining a second state setting set, and determine the second state setting set according to the rule; or determining a second state setting set and configuring the second state setting set to the receiving end through a subframe group to which the media access control MAC layer signaling belongs;
the processor is further configured to agree with the receiving end for a first state setting set, or receive an RRC signaling and determine the first state setting set according to the RRC signaling.
18. The base station of claim 17, wherein the same physical layer bit status bit indicates joint status setting information of multiple types of transmission parameters.
19. A terminal, comprising:
a processor, configured to determine a first state setting set and a second state setting set of transmission parameters, where the first state setting set includes M state settings of X transmission parameters, and the second state setting set is a subset of the first state setting set and includes M1 state settings of X1 transmission parameters; x > =1, M > =2, X > = X1, M > = M1, X, M, X1, M1 are all positive integers;
a communication module, configured to receive a physical layer signaling from a sending end, and determine, from the second state setting set, a transmission parameter state setting corresponding to a bit state bit of the physical layer signaling;
the processor is further configured to agree with a determination rule of a second state setting set with a sending end, and determine the second state setting set according to the rule; or receiving the sub-frame group to which the MAC layer signaling belongs to determine the second state setting set
The processor is further configured to agree with the sending end for a first state setting set, or receive an RRC signaling and determine the first state setting set according to the RRC signaling.
20. The terminal of claim 19, wherein the bit status bits of the same physical layer signaling indicate joint status setting information of multiple types of transmission parameters.
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