Method and apparatus for determining and configuring uplink channel parameters

Abstract

The present application provides a method and apparatus for determining and configuring uplink channel parameters, including receiving target indication information sent by a network side device, the target indication information including at least one of transmission configuration indication status information and first indication information, where the transmission configuration indication status information or the first indication information is used to indicate uplink channel parameters of a Physical Uplink Shared Channel (PUSCH) transmission, and determining the uplink channel parameters based on the target indication information.

Description

[Technical field]

[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This application claims priority to China Patent Application No. 202011063406.6, filed in China on September 30, 2020, the entire contents of which are incorporated herein by reference.

[0002] The present application relates to the field of communications technology, and in particular to a method and apparatus for determining and configuring uplink channel parameters. [Background technology]

[0003] In a conventional mobile communication network, when scheduling a Physical Uplink Shared Channel (PUSCH) transmission, PUSCH channel parameter information, such as spatial relation information (space related information, i.e., analog beam information), port information, precoding information, etc., is determined according to Sounding Reference Signal (SRS) resource information indicated by a Sounding Reference Signal Resource Indicator (SRI) field in Downlink Control Information (DCI). As can be seen, in the conventional technology, all of the PUSCH channel parameters are determined by the SRI field, resulting in a relatively large SRI signaling overhead. Summary of the Invention [Problem to be solved by the invention]

[0004] The embodiments of the present application provide a method and apparatus for determining and configuring uplink channel parameters, which can solve the problem in the related art that the SRI signaling overhead is relatively large by determining uplink channel parameters required for PUSCH transmission through SRI signaling. [Means for solving the problem]

[0005] According to a first aspect, there is provided a method for determining uplink channel parameters, which is executed by a terminal, the method for determining uplink channel parameters includes: receiving target indication information transmitted by a network side device, the target indication information including at least one of transmission arrangement indication status information and first indication information, the transmission arrangement indication status information or the first indication information being used to indicate uplink channel parameters of a Physical Uplink Shared Channel (PUSCH) transmission; and determining the uplink channel parameters based on the target indication information.

[0006] According to a second aspect, there is provided an apparatus for determining uplink channel parameters, the apparatus for determining uplink channel parameters including: a first receiving module for receiving target indication information transmitted by a network side device, the target indication information including at least one of transmission arrangement indication status information and first indication information, the transmission arrangement indication status information or the first indication information including: a first receiving module used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission; and a first determining module for determining the uplink channel parameters based on the target indication information.

[0007] According to a third aspect, there is provided an uplink channel parameter configuration method executed by a network side device, the uplink channel parameter configuration method including: sending target indication information to a terminal, where the target indication information includes at least one of transmission configuration indication status information and first indication information, and the transmission configuration indication status information or the first indication information is used to indicate uplink channel parameters of a Physical Uplink Shared Channel (PUSCH) transmission.

[0008] According to a fourth aspect, there is provided an uplink channel parameter configuring device, the uplink channel parameter configuring device including: a second sending module for sending target indication information to a terminal, where the target indication information includes at least one of transmission configuration indication status information and first indication information, and the transmission configuration indication status information or the first indication information is used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission.

[0009] According to a fifth aspect, there is provided a terminal comprising a processor, a memory and a program or instructions stored in the memory and operable to run on the processor, the program or instructions being operable when executed by the processor to implement the steps of the method of the first aspect.

[0010] According to a sixth aspect, there is provided a network side device comprising a processor, a memory, and a program or instructions stored in the memory and operable to run on the processor, the program or instructions, when executed by the processor, realising the steps of the method according to the third aspect.

[0011] According to a seventh aspect, there is provided a readable storage medium having a program or instructions stored thereon, the program or instructions, when executed by a processor, performing steps of the method according to the first aspect or performing steps of the method according to the third aspect.

[0012] According to an eighth aspect, there is provided a chip, the chip including a processor and a communication interface, the communication interface coupled to the processor, the processor running a program or instructions to implement the method of the first aspect or used to implement the method of the third aspect.

[0013] According to a ninth aspect, there is provided a computer program product, stored on a readable storage medium, the computer program product being executed by at least one processor to implement the method according to the first aspect or to implement the method according to the third aspect.

[0014] According to a tenth aspect, there is provided an apparatus for determining uplink channel parameters, the apparatus being adapted for performing the method according to the first aspect.

[0015] According to an eleventh aspect, there is provided an uplink channel parameter configuration device, which is used for performing the method according to the third aspect. In an embodiment of the present application, a terminal can determine uplink channel parameters for scheduling PUSCH transmission according to transmission configuration indication status information and / or first indication information, thereby avoiding the need to determine uplink channel parameters required for PUSCH transmission through SRI signaling in the prior art, thereby saving the overhead of SRI signaling and realizing the scheduling and transmission of PUSCH. [Brief description of the drawings]

[0016] [Figure 1] 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied. [Diagram 2] 2 is a flowchart of a method for determining uplink channel parameters in an embodiment of the present application; [Diagram 3] FIG. 2 is a structural schematic diagram of an uplink channel parameter determining device in an embodiment of the present application; [Figure 4] FIG. 2 is a structural schematic diagram of a communication device according to an embodiment of the present application; [Diagram 5] FIG. 2 is a structural schematic diagram of a terminal according to an embodiment of the present application; [Figure 6] FIG. 2 is a structural schematic diagram of a network side device according to an embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] The following clearly and completely describes the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application, and obviously, the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application belong to the protection scope of the present application.

[0018] The terms "first," "second," etc. in the specification and claims of the present application are intended to distinguish between similar objects and are not intended to describe a particular order or sequence. It is to be understood that data so used are interchangeable where appropriate, such that the embodiments of the present application may be performed in an order other than that shown or described herein, and that the objects distinguished by "first" and "second" are generally of the same type and do not limit the number of objects, e.g., the first object may be one or more. Note that "and / or" in the specification and claims represents at least one of the objects connected, and the character " / " generally represents an "or" relationship between the related objects.

[0019] It should be 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 can also be applied to 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" in the embodiments of the present application are always used interchangeably, and the techniques described may be used in the above-mentioned systems and radio technologies, or in other systems and radio technologies. Although the following description describes a New Radio (NR) system for illustrative purposes and uses NR terminology in most of the following description, these technologies may also be used in applications other than NR system applications, such as sixth generation (6G) systems. th This may be applied to a 6G (6th Generation) communication system.

[0020] FIG. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. Here, the terminal 11 may be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a terminal side device such as a mobile phone, a tablet personal computer, a laptop computer (or called a notebook computer), a personal digital assistant (PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile Internet device (MID), a wearable device (Wearable Device) or a vehicle-mounted device (VUE), a pedestrian terminal (PUE), etc., and the wearable device includes a bracelet, an earphone, glasses, etc. It should be noted that the specific type of the terminal 11 in the embodiment of the present application is not limited. The network side equipment 12 may be a base station or a core network, where the base station may be called 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 B node, an evolved B node (eNB), a home B node, a home evolved B node, a WLAN access point, a WiFi node, a transmitting receiving point (TRP), or any other suitable term in the art, and as long as the same technical effect is achieved, the base station is not limited to a specific technical term, and it should be explained that in the embodiments of this application, only a base station in an NR system is taken as an example, but the specific type of the base station is not limited.

[0021] The following provides an interpretation and explanation of the related art in this application.

[0022] 1. Beam measurement and reporting Analog beamforming is launched in the full bandwidth, and each polarization direction array element on each radio frequency antenna array panel can only transmit analog beams in a time division multiplexing manner. The analog beamforming weight value is realized by adjusting the parameters of the equipment such as the radio frequency front-end phase shifter.

[0023] Currently, in academia and industry, analog beamforming vector training is generally performed using a polling method. That is, the array elements in each polarization direction of each antenna panel transmit training signals (i.e., candidate beamforming vectors) in sequence at a set time in a time division multiplexing manner, and the terminal feeds back a beam report after measurement so that the network side can adopt the training signal to realize analog beam emission during the next business transmission. The contents of the beam report generally include a number of optimal emission beam identifiers and the measured reception power of each emission beam.

[0024] When performing beam measurement, the network configures a reference signal resource set (RS resource set) including at least one reference signal resource, such as an SSB resource or a CSI-RS resource. The UE measures the Layer 1 Reference Signal Received Power / Layer 1 Signal to Interference plus Noise Ratio (L1-RSRP / L1-SINR) of each RS resource, and reports at least one optimal measurement result to the network, where the report content includes an SSB resource indicator (SSBRI) or a CSI-RS resource indicator (CRI), and L1-RSRP / L1-SINR. The report content reflects at least one optimal beam and its quality, so that the network can determine beam information for transmitting a channel or signal to the UE.

[0025] II. Beam indication mechanism In order to establish a beam link between the network and the UE and realize the transmission of a channel or reference signal, after the beam measurement and beam report, the network can provide beam instruction for the channel or reference signal of the downlink and uplink.

[0026] For beam indication of the Physical Downlink Control Channel (PDCCH), the network configures K Transmission Configuration Indication (TCI) states for each Control-Resource Set (CORESET) using Radio Resource Control (RRC) signaling, and if K>1, the Media Access Control (MAC) control unit (Control Element, CE) indicates or activates one TCI state, and if K=1, no further MAC CE command is required. When the UE monitors the PDCCH, it uses the same Quasi-colocation (QCL) for all search spaces in the CORESET, i.e., it uses the same TCI state to monitor the PDCCH. The RS (e.g., periodic CSI-RS resource, semi-persistent CSI-RS resource, SS block, etc.) and UE-specific PDCCH demodulation reference signal (DMRS) port in this TCI state are space QCL. Based on this TCI state, the UE can know which receiving beam to use to receive the PDCCH.

[0027] For beam direction of the Physical Downlink Shared Channel (PDSCH), the network configures M TCI states by RRC signaling and then configures 2 TCI states by using the MAC CE command. NThe UE activates a TCI state and notifies the TCI state by the N-bit TCI field of the DCI, and the DMRS port of the PDSCH to be scheduled with the RS in this TCI state is QCL. Based on this TCI state, the UE can know whether to use its receiving beam to receive the PDSCH.

[0028] For beam indication of a Channel State Information Reference Signal (CSI-RS), if the CSI-RS type is periodic CSI-RS, the network configures QCL information in the CSI-RS resource by RRC signaling. If the CSI-RS type is semi-persistent CSI-RS, the network indicates the QCL information when activating one CSI-RS resource from the CSI-RS resource set configured by RRC by MAC CE command. If the CSI-RS type is aperiodic CSI-RS, the network configures QCL in the CSI-RS resource by RRC signaling and triggers the CSI-RS using DCI.

[0029] For beam indication of the Physical Uplink Control Channel (PUCCH), the network uses RRC signaling to configure spatial relation information in each PUCCH resource by the parameter PUCCH-SpatialRelationInfo, and indicates or activates one of these pieces of spatial relation information using MAC-CE if the PUCCH resource contains multiple pieces of spatial relation information. If the PUCCH resource contains only one piece of spatial relation information, no further MAC CE command is required.

[0030] With respect to the beam indication of the PUSCH, the spatial relation information of the PUSCH is that when the DCI carried on the PDCCH schedules the PUSCH, each SRI codepoint in the sounding reference signal resource indicator (SRS Resource Indicator, SRI) field in the DCI indicates one SRI, and this SRI is used to indicate the spatial relation information of the PUSCH.

[0031] For a beam instruction of a sounding reference signal (SRS), if the SRS type is periodic SRS, the network configures spatial relation information in the SRS resource by RRC signaling. If the SRS type is semi-persistent SRS, the network activates one of a set of spatial relation information configured by RRC by a MAC CE command. If the SRS type is aperiodic SRS, the network may configure spatial relation information in the SRS resource by RRC signaling and update the spatial relation information of the aperiodic SRS resource by a MAC CE command.

[0032] III. PUSCH Scheduling Transmission Process The transmission schemes of PUSCH include codebook based transmission and non-codebook based transmission. If the value of txConfig in the upper layer parameter pusch-Config is 'codebook', the network configures the UE for codebook based transmission, and if the value of txConfig in the upper layer parameter pusch-Config is 'noncodebook', the network configures the UE for non-codebook based transmission.

[0033] 1) Codebook-based transmission has the following main steps:

[0034] In step S11, the UE sends an SRS to the base station for the network to obtain uplink CSI.

[0035] Here, only one SRS resource set for the codebook is supported, each SRS resource set includes at most two SRS resources, and the number of ports included in the two SRS resources is the same, which is 1, 2, or 4 ports.

[0036] In step S12, the base station performs uplink channel detection based on the SRS, performs resource scheduling for the UE, and determines SRS resources corresponding to uplink transmission, the number of layers and a precoding matrix for uplink transmission, and further determines the MCS for uplink transmission based on the Transmitted Precoding Matrix Indicator (TPMI) and channel information, and then the base station notifies the UE of the PUSCH resource allocation, the corresponding Modulation and Coding Scheme (MCS), TPMI, rank indication (RI) and the corresponding SRS resource indication.

[0037] Where SRI in DCI: TIFF0007626848000001.tif824bit, and this N SRS means the number of SRS resources included in the SRS resource set, and if two SRS resources are configured, it is used to indicate whether it is the first SRS resource or the second SRS resource. If only one SRS resource is configured, this domain is the default.

[0038] TPMI in DCI: 0 to 6 bits depend on the number of SRS ports, the codebook subset placed in the PUSCH-config, fullyAndPartialAndNonCoherent, partialAndNonCoherent, and nonCoherent. The RRC configuration of the CG does not have the codebookSubset parameter, and the codebookSubset parameter in the pusch-config needs to be multiplexed. TMPI determines the number of layers and corresponds to joint encoding, but the maximum number of layers is determined by the number of ports in the SRS resource and the supportable maxRANK in pusch-config that is configured.

[0039] Since the maximum number of SRS resources that can be supported in one SRS resource set is 16, SRI of configuredGrantConfig in RRC (SRI without scheduling grant configuration in RRC): 0-15. That is, maxNrofSRS-ResourcePerSet=16; TPMI of configuredGrantConfig in RRC: 0-63, maximum 6 bits.

[0040] In step S13, UE performs modulation and coding on data according to MCS indicated by network, and determines the precoding matrix and the number of transmission layers used when transmitting data by using indicated SRI, TPMI and RI, and performs precoding and transmission on data. The demodulated pilot signal of PUSCH and the data of PUSCH adopt the same precoding method, that is, DMRS and data use the same precoding.

[0041] In step S14, the base station estimates an uplink channel based on the DMRS and performs data detection.

[0042] 2) The steps of non-codebook based transmission are as follows:

[0043] In step S21, the UE measures a downlink reference signal, obtains a candidate uplink precoding matrix, and transmits the SRS of the non-codebook transmission scheme to the base station after precoding.

[0044] Here, only one SRS resource set is supported, and each SRS resource set contains at most four SRS resources. Only a single port is supported.

[0045] This downlink reference signal is the NZP CSI-RS resource for the associated channel measurement CM in the SRS resource set.

[0046] It should be noted that the CSI-RS in the embodiments of the present application may not be associated with a corresponding RS, that is, the terminal may select a precoding by itself to be attached to the SRS resource.

[0047] In step S22, the base station detects an uplink channel according to the SRS sent by the UE, performs resource scheduling for the UE, determines SRS resources corresponding to uplink transmission and an MCS level of uplink transmission, and notifies the UE, where the SRS resources corresponding to uplink transmission are indicated to the UE by the SRI.

[0048] Where SRI in DCI: TIFF0007626848000002.tif2362bits, N SRS is the number of SRS resources included in the SRS resource set, and L max is indicated by maxMIMO-Layers carried in the upper layer parameter PUSCH-ServingCellConfig, and in the absence of configuration, L max is N SRS Provided by L max =N SRS It is.

[0049] TPMI in DCI: 0 bit The maximum number of SRS resources that can be supported in one SRS resource set is 16, so SRI in RRC: 0-15. That is, maxNrofSRS-ResourcePerSet=16. The maximum overhead is N SRS =L max If =4, then 4+6+4+1=15, which is equal to 4 bits.

[0050] TPMI in RRC: 0-63, maximum 6 bits.

[0051] In step S23, the UE performs modulation and coding on the data according to the MCS sent by the base station, and determines a precoding matrix and a number of transmission layers for the data using the SRI, and transmits the data after precoding the data.

[0052] Here, the DMRS of the PUSCH is the same as the precoding of the data. Note that the number of SRS resources indicated by the SRI is the number of ranks of the PUSCH transmission, and the transmission layer of the PUSCH has a one-to-one correspondence with the SRS resource indicated by the SRI.

[0053] In step S24, the base station estimates an uplink channel based on the DMRS and performs data detection.

[0054] It should be noted that the beam information related to the present application may be called spatial relation information, spatial domain transmission filter information, spatial filter information, transmission configuration instruction state (TCI state) information, quasi-co-location (QCL) information, or QCL parameters. Here, the downlink beam information may be generally represented by TCI state information or QCL information. The uplink beam information may be generally represented by spatial relation information.

[0055] An antenna panel in the context of this application may also be referred to as an antenna group, antenna port group, antenna set, antenna port set, beam set, beam subset, antenna array, antenna port array, antenna subarray, antenna port subarray, logical entity, entity, or antenna entity, etc.

[0056] Here, the Panel identifier may be an antenna panel identifier, a reference signal resource identifier, a reference signal resource set identifier, a TCI state identifier, a QCL information identifier, a space relation identifier, or the like.

[0057] Hereinafter, the method for determining uplink channel parameters according to the embodiments of the present application will be described in detail through specific embodiments and application scenarios thereof in conjunction with the drawings.

[0058] An embodiment of the present application provides an uplink channel parameter determination method performed by a terminal. FIG. 2 is a flowchart of an uplink channel parameter determination method in an embodiment of the present application. As shown in FIG. 2, the steps of the method include: receiving target indication information sent by a network side device, the target indication information including at least one of transmission arrangement indication status information and first indication information, the transmission arrangement indication status information or the first indication information being used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission; and determining uplink channel parameters based on the target indication information.

[0059] According to steps S202 and S204 of the embodiment of the present application, the terminal can determine uplink channel parameters for scheduling PUSCH transmission according to the transmission configuration indication status information and / or the first indication information, which avoids the need to determine uplink channel parameters required for PUSCH transmission through SRI signaling in the prior art, thereby saving the overhead of SRI signaling and realizing the scheduling and transmission of PUSCH.

[0060] The above step S202 and step S204 of the present application will be described in detail below in conjunction with a specific application scenario. The application scenario in the embodiment of the present application includes codebook-based PUSCH scheduling transmission and non-codebook-based PUSCH scheduling transmission, and in the PUSCH transmission process, the network side device may configure SRS resources or may not configure SRS resources, which can be specifically described in the following manner:

[0061] 1) Transmission that schedules PUSCH based on a codebook, and the network side does not configure SRS resources; When the PUSCH is a PUSCH scheduled based on a codebook, and the network side device does not configure a sounding reference signal (SRS) resource in the terminal, the method of determining uplink channel parameters based on the target indication information in step S204 of the embodiment of the present application is as follows: Step S204-11 of determining PUSCH beam information based on transmission arrangement indication status information; and a step S204-12 of determining the precoding information based on first indication information including the precoding information in the downlink control information DCI.

[0062] It can be seen that the above steps can determine the beam information and precoding information of the PUSCH in the uplink channel parameters, and the number of ports in the uplink channel parameters can be realized in the following manner: Determine the number of ports of the PUSCH according to the transmission configuration indication status information related to the number of ports of the PUSCH, or determine the number of ports of the PUSCH according to the first indication information or the manner of protocol agreement.

[0063] It should be noted that the number of ports and the format of DCI in the embodiment of the present application have a preset corresponding relationship, and the preset corresponding relationship is determined by a protocol or configured by a network side device. In addition, the precoding information and the number of ports in the embodiment of the present application also have a corresponding relationship.

[0064] 2) Transmission that schedules PUSCH based on a codebook. When the network side configures SRS resources, In this application scenario, the SRS resources are: 1) a first SRS resource configured by a network side device; 2) At least one second SRS resource among a plurality of second SRS resources having the same number of ports, which are arranged by a network side device; 3) At least one third SRS resource among a plurality of third SRS resources configured by a network side device, and at least two third SRS resources among the plurality of third SRS resources have different port numbers; 4) At least one fourth SRS resource among multiple fourth SRS resources arranged by a network side device, at least two of the multiple fourth SRS resources have different port numbers, and the at least one transmission arrangement instruction status information is related to the at least one fourth SRS resource among the multiple fourth SRS resources, or the at least one transmission arrangement instruction status information includes at least one of the following: at least one fourth SRS resource among the multiple fourth SRS resources is arranged in the at least one transmission arrangement instruction status information.

[0065] According to the above SRS resource, the method of determining uplink channel parameters according to the target indication information related to step S204 in the embodiment of the present application is as follows: Step S204-31 of determining beam information of a PUSCH based on transmission arrangement instruction state information; Step S204-32 of determining SRS resources based on the transmission configuration indication status information or the first indication information; A step S204-33 of determining the number of ports of the PUSCH based on the number of ports of the SRS resource; and a step S204-34 of determining precoding information based on the first indication information.

[0066] In an optional embodiment of the present application, the SRS resource is configured in the transmission configuration indication status information, or the transmission configuration indication status information is related to the SRS resource, based on which there is an association relationship between the precoding information and the SRS resource, where the beam information of the SRS resource is determined by the transmission configuration indication status information.

[0067] In the following, a method for determining uplink channel parameters in the process of scheduling PUSCH transmission based on a codebook will be described by way of example, combining the first to eighth embodiments of the present invention.

[0068] Method 1: In the process of scheduling PUSCH transmission based on a codebook, when the network side equipment does not configure sounding reference signal (SRS) resources in the terminal, the target indication information is transmission arrangement indication status information and first indication information, and the method of determining uplink channel parameters based on the target indication information related to step S204 in the embodiment of the present application may further include: determining the number of ports and beam information of PUSCH based on the transmission arrangement indication status information related to the number of ports of PUSCH, and determining precoding information based on the first indication information including precoding information in downlink control information (DCI).

[0069] It should be noted that there is a relationship between the precoding information and the number of ports associated with the transmission configuration indication status information. That is, after determining the number of ports associated with the transmission configuration indication status information, obtain the precoding information from the DCI of the first indication information according to the number of ports. Note that the precoding information in the embodiment of the present application includes precoding matrix and rank information, etc. (indicated by TPMI signaling).

[0070] In a specific application scenario, the method 1 may be as follows.

[0071] In step S11, the network side device preliminarily configures a TCI state pool and indicates a TCI state (transmission configuration indication state) from the pool to the terminal. Here, the TCI state in the configured pool is related to the number of ports, for example, 1 port, 2 ports, 4 ports, etc.

[0072] In step S12, the terminal learns beam information and port information (eg, the number of ports) of the PUSCH based on the TCI state instructed by the network side device.

[0073] In step S13, when the terminal determines the TPMI information in the DCI, it can know whether the TPMI information indicated in the TPMI field is for some port based on the obtained port number (e.g., by deciphering the index in the TPMI field based on the port number).

[0074] As can be seen, in this method 1, the number of ports can be determined according to the TCI state, and the network side equipment transmits precoding information corresponding to the determined number of ports determined by uplink measurement (e.g., DMRS measurement) to the terminal via the first instruction information, so that there is no need to determine channel parameters by SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0075] Method 2: In the process of scheduling PUSCH transmission based on the codebook, when the network side device does not configure the sounding reference signal (SRS) resource for the terminal, the target indication information is the transmission configuration indication status information and the first indication information, and the method of determining uplink channel parameters based on the target indication information related to step S204 in the embodiment of the present application may further include: determining beam information of PUSCH based on the transmission configuration indication status information, and determining the number of ports and precoding information based on the first indication information. Here, the first indication information is used to indicate the number of ports of PUSCH, and the first indication information includes the precoding information in the downlink control information (DCI).

[0076] It can be seen that in scheme 2, by determining uplink channel parameters, such as beam information, number of ports and precoding information, through a combination of the TCI state and the first indication information, there is no need to determine the channel parameters through SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0077] Method 3: In the process of scheduling PUSCH transmission based on a codebook, when the network side equipment does not configure sounding reference signal (SRS) resources for the terminal, the target indication information is transmission configuration indication status information and first indication information, and the number of ports of the PUSCH is agreed upon by a protocol. The method of determining uplink channel parameters based on the target indication information related to step S204 in the embodiment of the present application may further include: determining beam information of the PUSCH based on the transmission configuration indication status information; and determining precoding information based on the first indication information including precoding information in the downlink control information (DCI).

[0078] In method 3, the number of ports is determined by a protocol, and the first instruction information only needs to indicate precoding information.

[0079] It should be noted that there is a correlation between the precoding information in the above-mentioned Scheme 2 and Scheme 3 and the number of ports indicated by the first indication information or the number of ports agreed upon by the protocol.

[0080] It can be seen that in method 3, by determining uplink channel parameters, such as beam information, number of ports and precoding information, through a combination of the TCI state and the first indication information, there is no need to determine the channel parameters through SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0081] Method 4: In the process of scheduling PUSCH transmission based on a codebook, when the network side equipment does not configure sounding reference signal (SRS) resources for the terminal, the target indication information is transmission configuration indication status information and first indication information, and the method of determining uplink channel parameters based on the target indication information related to step S204 in the embodiment of the present application may further include: determining beam information of PUSCH based on the transmission configuration indication status information, and determining the number of ports and precoding information of PUSCH based on the first indication information. Here, the transmission configuration instruction status information is used to indicate beam information of a PUSCH, the first instruction information is used to indicate the number of ports of a PUSCH, and the first instruction information includes precoding information in a DCI, and the number of ports and the format of the DCI have a predetermined correspondence relationship, and the predetermined correspondence relationship is agreed upon by a protocol or configured by a network side device.

[0082] This method 4 may be as follows in a specific application scenario.

[0083] In step S21, the network side device configures the number of ports, In step S22, the network side device schedules PUSCH transmission using a corresponding DCI format based on the number of configured ports, and indicates beam information (e.g., TCI status information) of the PUSCH using a MAC CE command or DCI signaling.

[0084] For example, if one port is pre-configured, DCI format 0_0 is used, if two ports are pre-configured, DCI format 0_1 ​​is used, and so on.

[0085] In step S23, the precoding information indicated by the first indication information is found based on the number of ports and the TPMI field in the DCI.

[0086] It can be seen that in method 4, by determining uplink channel parameters, such as beam information, number of ports and precoding information, through a combination of the TCI state and the first indication information, there is no need to determine the channel parameters through SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0087] Method 5: In the process of scheduling PUSCH transmission based on a codebook, when a network side device configures a first SRS resource, the target indication information is transmission configuration indication status information and first indication information, where the transmission configuration indication status information configures the first SRS resource, or the transmission configuration indication status information is related to the first SRS resource, and the first indication information includes precoding information in DCI.

[0088] In the embodiment of the present application, the method of determining uplink channel parameters based on the target indication information in step S204 is as follows: Step S51 of determining beam information of a PUSCH and a first SRS resource based on transmission arrangement indication status information; A step S52 of determining a number of ports of a PUSCH based on a number of ports of a first SRS resource; The method may further include a step S53 of determining precoding information based on the first indication information.

[0089] It should be noted that the precoding information in Scheme 5 is obtained by the network side equipment measuring a first SRS resource, where the beam information of the first SRS resource is determined based on the transmission configuration indication status information.

[0090] The fifth method may be as follows in a specific application scenario: if the network configures an SRS resource, the UE transmits an SRS resource configured in a TCI state or related to this TCI state according to the TCI state information of the PUSCH indicated by the network for measurement by the network side device.

[0091] Here, the beam information of the SRS resource is arranged in the SRS resource by the network, or is determined based on the TCI state of the PUSCH indicated by the network side device. If the SRS resource is a periodic SRS resource, the beam information of the SRS resource may be determined based on the TCI state of the PUSCH indicated by the network side device. Furthermore, the network side device indicates precoding information in DCI based on the measurement result, and the precoding information is indicated to the terminal by the first indication information.

[0092] It can be seen that in method 5, by determining uplink channel parameters, such as beam information, number of ports and precoding information, through a combination of the TCI state and the first indication information, there is no need to determine the channel parameters through SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0093] Manner 6: In the process of scheduling PUSCH transmission based on the codebook, when the network side device configures multiple second SRS resources with the same port number, the target indication information is transmission configuration indication status information and first indication information, where at least one second SRS resource is configured in the transmission configuration indication status information, or the transmission configuration indication status information is related to at least one second SRS resource, and the first indication information includes precoding information in DCI; In the embodiment of the present application, the method of determining uplink channel parameters based on the target indication information in step S204 is as follows: Step S204-61 of determining beam information of the PUSCH and at least one second SRS resource based on the transmission configuration indication status information; A step S204-62 of determining a number of ports of the PUSCH based on a number of ports of at least one second SRS resource; The method may further include a step S204-63 of determining precoding information based on the first indication information.

[0094] Here, the precoding information in this method 6 is obtained by the network side equipment measuring at least one second SRS resource, and the beam information of the at least one second SRS resource is determined based on the transmission configuration instruction status information.

[0095] In a specific application scenario, the sixth method may be as follows: if a network side device configures multiple SRS resources with the same port information, the terminal transmits at least one of the SRS resources for the network side device to measure. Here, the beam information of the multiple SRS resources is configured in the SRS resource by the network, or is determined by the terminal, or is determined based on the TCI state of the PUSCH indicated by the network. If the SRS resource is a periodic SRS resource, the beam information of the SRS resource may be determined based on the TCI state of the PUSCH indicated by the network.

[0096] Therefore, the network side device can indicate precoding information in DCI according to the measurement result, and can indicate to the terminal by the first indication information. The beam information of the PUSCH can be determined by the network indicating one TCI state information or indicating one SRS resource.

[0097] Here, when one TCI state information is indicated, one of a plurality of SRS resources may be included as a source RS.

[0098] It can be seen that in this method 6, by determining uplink channel parameters, such as beam information, number of ports and precoding information, through a combination of the TCI state and the first indication information, there is no need to determine the channel parameters through SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0099] Scheme 7: In the process of scheduling PUSCH transmission based on a codebook, when a network side device configures multiple third SRS resources, and at least two of the multiple third SRS resources have different port numbers, the target indication information is transmission configuration indication status information and first indication information, where the first indication information includes a sounding reference signal resource indication SRI in DCI and precoding information.

[0100] In the embodiment of the present application, the method of determining uplink channel parameters based on the target indication information in step S204 is as follows: The method may further include a step S204-71 of determining beam information of a PUSCH based on transmission arrangement instruction status information, determining the number of ports of a PUSCH based on the SRI in the first instruction information, and determining precoding information based on the first instruction information.

[0101] It should be noted that the precoding information in this method 7 is obtained by the network side equipment measuring multiple third SRS resources, where the beam information of these multiple third SRS resources is determined based on the transmission configuration instruction status information.

[0102] Scheme 7 may be applied in the following specific application scenario: A network configures multiple SRS resources for codebook, and these SRS resources have different port configurations.

[0103] In step S71, the network side device indicates the TCI state of the PUSCH, In step S72, beam information of a plurality of SRS resources is determined based on the TCI state; In step S73, the terminal transmits a plurality of SRS resources for the network side device to measure; In step S74, the network side device indicates one SRS resource information (for example, using an SRI field) in the DCI based on the measurement result to determine port information of the PUSCH, and indicates precoding information corresponding to the port information in the DCI.

[0104] It can be seen that in Scheme 7, uplink channel parameters, such as beam information, number of ports and precoding information, are determined by combining the TCI state with the first indication information, so that there is no need to determine all channel parameters through SRI signaling in the PUSCH transmission process, and correct scheduling of the PUSCH is realized.

[0105] Manner 8: In the process of scheduling PUSCH transmission based on a codebook, when the network side equipment configures a plurality of fourth SRS resources, and at least two of the plurality of fourth SRS resources have different port numbers, the target indication information is transmission configuration indication status information and first indication information, the first indication information includes precoding information in DCI, and the transmission configuration indication status information is one transmission configuration indication status information in a transmission configuration indication status pool configured by the network side equipment, where at least one transmission configuration indication status information in the transmission configuration indication status pool configures at least one of the plurality of fourth SRS resources, or the at least one transmission configuration indication status information is related to at least one of the plurality of fourth SRS resources.

[0106] In the embodiment of the present application, the method of determining uplink channel parameters based on the target indication information in step S204 is as follows: Step S204-31 of determining beam information of the PUSCH and a corresponding fourth SRS resource based on the transmission configuration indication status information; A step S204-32 of determining a number of ports for the PUSCH based on a fourth SRS resource; The method may further include a step S204-33 of determining precoding information based on the first indication information.

[0107] It should be noted that the precoding information in this method 8 is obtained by the network side equipment measuring multiple SRS resources, where the beam information of the SRS resources is determined based on the transmission configuration indication state information in the transmission configuration indication state pool corresponding to the SRS resources.

[0108] In the specific application scenario of the method 8, the network side device configures multiple SRS resources for codebook, and these SRS resources have different port settings.

[0109] In step S81, a network side device configures or indicates a plurality of TCI state information, where the plurality of TCI state information respectively includes or is associated with a plurality of SRS resource information.

[0110] In step S82, for the network side device to measure, the terminal determines beam information of the plurality of SRS resources according to the plurality of TCI state information, and transmits the plurality of SRS resources.

[0111] In step S83, the network side device indicates the TCI state (one of multiple TCI states) of the PUSCH, and further obtains corresponding SRS resource information, determines port information of the PUSCH based on the corresponding SRS resource, and further determines precoding information based on the DCI.

[0112] It should be explained that, before receiving the target indication information sent by the network side device, the method in the embodiment of the present application includes: The method further includes receiving configuration information for rearranging the number of ports of the SRS resource, transmitted by the network side device, when the number of ports of the SRS resource arranged by the network side device does not match the number of ports of the PUSCH, or determining the number of ports of the SRS resource based on the number of ports associated with the transmission configuration instruction status information in the target instruction information.

[0113] That is, in this application, if the port information of the SRS resource arranged by the network side device is unrelated to the port information of the PUSCH, the number of ports of the SRS resource needs to be changed to the number of ports arranged or instructed.

[0114] 2) Non-codebook based PUSCH transmission In the process of scheduling PUSCH transmission based on a non-codebook, the target indication information is the transmission configuration indication status information and the first indication information. The manner of determining uplink channel parameters based on the target indication information in step S204 in the embodiment of the present application is as follows: Step S204-41 of determining beam information of a PUSCH based on transmission arrangement indication status information; or The method includes a step S204-42 of determining beam information of the PUSCH based on the first instruction information.

[0115] That is, in the process of scheduling PUSCH transmission based on a non-codebook, the beam information may be determined by the transmission configuration indication status information or the first indication information.

[0116] Furthermore, the manner of determining the beam information of PUSCH according to the first indication information may be to determine the beam information of PUSCH according to the SRI of DCI in the first indication information. That is, determine the beam information of PUSCH according to the SRI of DCI in the first indication information.

[0117] It should be noted that the SRI of the DCI in the first indication information in the embodiment of the present application can determine at least one of the number of ports of the PUSCH and the precoding information.

[0118] In another optional embodiment of the embodiment of the present application, when the network side device configures a virtual SRS resource having a correlation with an uplink channel parameter, the SRI of the DCI in the first indication information may be used to indicate the virtual SRS resource. It should be noted that the virtual SRS resource configured by the network side device may be a transmission process of scheduling a PUSCH based on a codebook, or may be a transmission process of scheduling a PUSCH based on a non-codebook. Furthermore, the number of ports and / or precoding information of the PUSCH may be determined according to the virtual SRS resource indicated by the SRI in the DCI.

[0119] Based on this, before determining at least one of a number of ports and precoding information of the PUSCH based on the SRI in the DCI, the method includes: Step S206 of transmitting precoding SRS resources to a network side device; The step S207 further includes receiving DCI sent by the network side device, where the precoding information in the DCI is obtained by the network side device measuring the precoding SRS resource.

[0120] Here, the SRS resources include at least one of: 1) SRS resources associated with a first CSI-RS resource whose source reference signal RS is the source RS in the transmission arrangement indication status information; and 2) SRS resources associated with the CSI-RS resources in the transmission arrangement indication status information.

[0121] In the following, the method for determining channel parameters in a non-codebook-based PUSCH transmission process will be described by taking an example in combination with the first and second embodiments of the present invention.

[0122] Scheme 1: In the process of scheduling PUSCH transmission based on a non-codebook, the target indication information is transmission configuration indication status information and first indication information, where the first indication information includes an SRI in a DCI; In the embodiment of the present application, the method of determining uplink channel parameters based on the target indication information in step S204 is as follows: Step S204-51 of determining beam information of a PUSCH based on transmission arrangement indication status information, or determining beam information of a PUSCH based on SRI in DCI in the first indication information; The method may further include a step S204-52 of determining at least one of a number of ports and precoding information of the PUSCH based on the SRI in the DCI.

[0123] In an optional embodiment of the embodiment of the present application, before determining at least one of the number of ports of the PUSCH and the precoding information based on the SRI in the DCI included in the first indication information, the method of the embodiment of the present application includes: Step S91 of determining a source reference signal RS in the transmission configuration indication status information as a source RS of a first CSI-RS resource, the first CSI-RS resource being associated with an SRS resource configured by the network side device; The method may further include a step S92 of transmitting a precoding SRS resource to a network side device based on a measurement result of the first CSI-RS resource, and receiving DCI transmitted by the network side device, wherein beam information of the SRS resource is determined based on transmission arrangement indication status information.

[0124] Correspondingly, the method 1 may be as follows in a specific application scenario.

[0125] In step S101, the network side device indicates a TCI state, where the source RS of the TCI state is an SSB or a CSI-RS.

[0126] In step S102, the QCL source RS (beam corresponding to the SRS resource) of the first CSI-RS resource corresponding to the associatedCSI-RS in the SRS resource configuration information is changed to the SSB or CSI-RS in the TCI state.

[0127] In step S103, the terminal measures a first CSI-RS resource, and sends a precoding SRS resource according to the measurement result, so that the network side device measures and determines the precoding information of the PUSCH.

[0128] In step S104, in order to determine the precoding information of the PUSCH, the network side device indicates SRS resource information (SRI field) in the DCI.

[0129] Scheme 2: In the process of scheduling PUSCH transmission based on a non-codebook, the target indication information is a first indication information including transmission configuration indication status information and SRI in DCI; In the embodiment of the present application, the method of determining uplink channel parameters based on the target indication information in step S204 is as follows: Step S204-61 of determining beam information of a PUSCH based on transmission arrangement instruction state information; The method may further include a step S204-62 of determining at least one of the number of ports and precoding information of the PUSCH based on the SRI in the DCI in the first indication information.

[0130] In an optional embodiment of the embodiment of the present application, before determining at least one of the number of ports of the PUSCH and the precoding information based on the SRI in the DCI included in the first indication information, the method of the embodiment of the present application includes: Step S111 of transmitting precoding SRS resources according to CSI-RS resources in transmission configuration indication status information; The method may further include a step S112 of receiving DCI transmitted by a network side device, where precoding information in the DCI is obtained by the network side device measuring an SRS resource, and where beam information of the SRS resource is determined based on transmission configuration instruction status information.

[0131] In a specific application scenario, this method 2 may be as follows.

[0132] In step S121, when the network side device does not configure the parameter associatedCSI-RS in the SRS resource, or the configured parameter associatedCSI-RS is not enabled, the beam information of the SRS resource is determined based on the source RS in the TCI state indicated by the network side device, and at this time, the source RS in the TCI state is CSI-RS.

[0133] In step S122, the terminal transmits a precoding SRS resource for the network side device to measure and determine the precoding information of the PUSCH.

[0134] In step S123, in order to determine the precoding information of the PUSCH, the network side device indicates SRS resource information (SRI field) in the DCI.

[0135] In addition to the above-mentioned codebook and non-codebook-based PUSCH transmission, in the embodiment of the application, the target indication information may be only the transmission configuration indication status information. Based on this, the method of determining uplink channel parameters based on the target indication information in step S204 of the embodiment of the present application is as follows: 1), when the source RS in the transmission arrangement indication status information is a downlink RS, the downlink RS is used as a reference signal for first power control parameter information; 2) when the source RS in the transmission arrangement indication state information is an uplink RS, the source RS of the uplink RS or a downlink RS corresponding to the uplink RS is used as a reference signal of the first power control parameter information; 3), when the source RS does not exist in the transmission arrangement indication state information, a preset downlink RS is used as a reference signal of the first power control parameter information; 4) determining a reference signal of first power control parameter information based on a preset mapping relationship and transmission arrangement indication status information, where the preset mapping relationship is used to indicate a mapping relationship between the transmission arrangement indication status information and the reference signal of the first power control parameter information.

[0136] Here, the first power control parameter may be a Pathloss RS (Pathloss Reference Signal).

[0137] In addition to the above-mentioned codebook and non-codebook-based PUSCH transmission, in the embodiment of the application, the target indication information may be transmission arrangement indication status information. Based on this, the manner of determining uplink channel parameters based on the target indication information in step S204 of the embodiment of the application may further include: determining second power control parameter information based on the transmission arrangement indication status information, where the second power control parameter information is configured in the transmission arrangement indication status information, or the transmission arrangement indication status information is related to the second power control parameter information.

[0138] In addition to the above-mentioned transmission of PUSCH based on the codebook and non-codebook, in an embodiment of the application, when the target indication information may be first indication information, and the second power control parameter is related to an SRS resource configured by the network side equipment, determining an uplink channel parameter based on the target indication information in step S204 of the embodiment of the present application includes determining a second power control parameter based on the SRI in the DCI in the first indication information.

[0139] It is to be noted that the second power control parameter information in the embodiment of the present application may be at least one of the power control parameters of the pathloss RS, such as P0, alpha, close loop index, and so on.

[0140] Optionally, in the embodiment of the present application, the target indication information is transmission configuration indication status information and first indication information, where the first indication information is SRI in DCI, and the network side device configures a virtual SRS resource having a correlation with the uplink channel parameters, the manner of determining the uplink channel parameters according to the target indication information in step S204 in the embodiment of the present application is: Step S121 of determining beam information of a PUSCH based on transmission arrangement instruction state information; The method may further include a step S122 of determining a number of ports and / or precoding information for the PUSCH based on the SRI in the DCI, where the SRI is used to indicate a virtual SRS resource.

[0141] That is, the network configures virtual SRS resources (dummy SRS resources), and these SRS resources are not transmitted and are only used to relate to corresponding PUSCH transmission information (information other than beam). The beam information of the PUSCH is still indicated using the TCI state, and other transmission information uses the transmission information related to the virtual SRS resource indicated by the SRI field. It should be noted that the configuration of the virtual SRS resource by the network side device may be a transmission process of scheduling the PUSCH based on a codebook, or a transmission process of scheduling the PUSCH based on a non-codebook.

[0142] Optionally, in the embodiment of the present application, when the network side device configures aperiodic SRS resources, determining uplink channel parameters according to the target indication information related to step S204 of the embodiment of the present application may include: Step S131 of determining beam information of PUSCH based on transmission arrangement indication status information or based on SRI in DCI, the beam information of non-periodic SRS resource indicated by SRI is determined based on RRC signaling or MAC CE command or transmission arrangement indication status information sent by network side device; and step S132 of determining the number of ports and / or precoding information associated with aperiodic SRS resources indicated by an SRI in a DCI, or the number of ports and / or precoding information associated with transmission arrangement indication status information, as the number of ports or precoding information of a PUSCH.

[0143] That is, when the network side device configures aperiodic SRS resources and the network does not trigger these SRSs, it can still update the beam of the PUSCH. For example, when the network side device updates the beam information of the aperiodic SRS resource by the TCI field in the RRC, MAC CE, or DCI, the beam information of the PUSCH uses the beam information of this SRS resource. Or, the beam information of the PUSCH can still be indicated using the TCI state, and for other uplink channel parameters other than the beam information, it is determined using a scheme related to this aperiodic SRS resource or related to the TCI state indicated in the TCI field.

[0144] This application does not limit that the PUSCH necessarily uses beam information of the latest SRS.

[0145] Optionally, in an embodiment of the present application, when the target indication information is transmission arrangement indication status information, determining an uplink channel parameter based on the target indication information in step S204 of the embodiment of the present application includes determining at least one uplink channel parameter of a port number, beam information, and precoding information based on the transmission arrangement indication status information, where the transmission arrangement indication status information is related to at least one of the port number, beam information, and precoding information.

[0146] That is to say, in the embodiment of the present application, the determination of uplink channel parameters can be performed only according to the transmission configuration indication status information, so that there is no need to determine the channel parameters by SRI signaling in the PUSCH transmission process, thereby saving the signaling overhead of SRI.

[0147] It should be noted that the precoding information in the embodiment of the present application is indicated by the first signaling in the DCI.

[0148] The above describes the present application from the terminal side. For the network side, the embodiment of the present application provides an uplink channel parameter configuration method, and the steps of the method include: The method includes a step S302 of sending target indication information to a network side device terminal, where the target indication information includes at least one of transmission arrangement indication status information and first indication information, and the transmission arrangement indication status information or the first indication information is used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission.

[0149] According to the method of the embodiment of the present application, the network side equipment can send target indication information to the terminal, and the terminal can determine uplink channel parameters for scheduling PUSCH transmission according to the transmission configuration indication status information and / or the first indication information, thereby avoiding the need to determine uplink channel parameters for PUSCH transmission by SRI signaling in the prior art, thereby saving the overhead of SRI signaling and realizing the scheduling and transmission of PUSCH.

[0150] When the PUSCH is a PUSCH scheduled based on a codebook, and the network side device does not configure a sounding reference signal (SRS) resource in the terminal, the target indication information in the embodiment of the present application is used to indicate uplink channel parameters of the PUSCH transmission. 1) The transmission arrangement indication status information is used to indicate beam information in an uplink channel parameter; 2) the first indication information is used to indicate precoding information in uplink channel parameters.

[0151] As can be seen, the above steps can determine beam information and precoding information of the PUSCH in the uplink channel parameters, and the number of ports in the uplink channel parameters can be realized by determining the number of ports of the PUSCH based on transmission configuration instruction status information related to the number of ports of the PUSCH, or by determining the number of ports of the PUSCH based on the first instruction information or agreed upon by a protocol.

[0152] It should be noted that the number of ports and the format of DCI in the embodiment of the present application have a preset corresponding relationship, and the preset corresponding relationship is determined by a protocol or configured by a network side device. In addition, there is also a corresponding relationship between the precoding information and the number of ports in the embodiment of the present application.

[0153] 2) Transmission that schedules PUSCH based on a codebook. When the network side configures SRS resources, In this application scenario, the SRS resources are: 1) a first SRS resource configured by a network side device; 2) At least one second SRS resource among a plurality of second SRS resources having the same number of ports, which are arranged by a network side device; 3) At least one third SRS resource among a plurality of third SRS resources configured by a network side device, and at least two third SRS resources among the plurality of third SRS resources have different port numbers; 4) At least one fourth SRS resource among multiple fourth SRS resources arranged by a network side device, at least two of the multiple fourth SRS resources have different port numbers, and the at least one transmission arrangement instruction status information is related to the at least one fourth SRS resource among the multiple fourth SRS resources, or the at least one transmission arrangement instruction status information includes at least one of the following: at least one fourth SRS resource among the multiple fourth SRS resources is arranged in the at least one transmission arrangement instruction status information.

[0154] According to the above SRS resource, the target indication information in the embodiment of the present application is used to indicate uplink channel parameters of PUSCH transmission. 1) The transmission arrangement indication status information is used to indicate beam information of a PUSCH; 2) the transmission configuration indication status information or the first indication information is used to indicate SRS resources; 3) The number of ports of the SRS resource is used to indicate the number of ports of the PUSCH; 4) the first indication information is used to indicate precoding information.

[0155] In an optional embodiment of the present application, the SRS resource is configured in the transmission configuration indication status information, or the transmission configuration indication status information is related to the SRS resource, based on which there is an association relationship between the precoding information and the SRS resource, where the beam information of the SRS resource is determined by the transmission configuration indication status information.

[0156] In an optional embodiment of the present application, the steps of the method of the present application include: The method may further include a step S306 of sending configuration information to the terminal when the port number of the SRS resource configured by the network side device does not match the port number of the PUSCH, where the configuration information is used to rearrange the port number of the SRS resource.

[0157] In another optional embodiment of the embodiment of the present application, the target indication information is used to indicate uplink channel parameters of the PUSCH transmission, which includes determining at least one uplink channel parameter among a number of ports, beam information, and precoding information based on the transmission configuration indication status information.

[0158] In another optional embodiment of the embodiment of the present application, the target indication information being used to indicate the uplink channel parameters includes the transmission configuration indication status information being used to indicate beam information of the PUSCH, or the first indication information being used to indicate beam information of the PUSCH.

[0159] Furthermore, the first indication information includes an SRI of the DCI, where the SRI of the DCI is used to indicate at least one of beam information of the PUSCH, the number of ports of the PUSCH, and precoding information of the PUSCH.

[0160] It should be noted that, when a network side device configures a virtual SRS resource having a correlation with an uplink channel parameter, the SRI of the DCI in the first indication information is used to indicate the virtual SRS resource. It should be noted that the virtual SRS resource configured in the network side device can be a transmission process of scheduling a PUSCH based on a codebook, or a transmission process of scheduling a PUSCH based on a non-codebook. Furthermore, the number of ports and / or precoding information of the PUSCH can be determined according to the virtual SRS resource indicated by the SRI in the DCI.

[0161] In an optional embodiment of the embodiment of the present application, the steps of the method of the embodiment of the present application include: A step S308 of receiving a precoding SRS resource sent by the terminal; The method may further include a step S310 of measuring a precoding SRS resource and determining precoding information in the DCI based on the measurement result.

[0162] Here, the SRS resources include at least one of: 1) SRS resources associated with a first CSI-RS resource whose source reference signal RS is the source RS in the transmission arrangement indication status information; and 2) SRS resources associated with the CSI-RS resources in the transmission arrangement indication status information.

[0163] In an optional embodiment of the embodiment of the present application, before sending the target indication information to the terminal, the steps of the method of the embodiment of the present application include: The method may further include a step S312 of configuring a resource pool, where the resource pool includes one or more transmission configuration indication status information.

[0164] That is, the transmission configuration indication status information in the embodiment of the present application is obtained from the configured resource pool.

[0165] When the network side device configures aperiodic SRS resources, the target indication information is used to indicate uplink channel parameters of the PUSCH transmission. 1) The transmission arrangement indication status information is used to indicate beam information of a PUSCH; 2) the transmission arrangement instruction status information is related to at least one of the number of ports and precoding information; 3) The first indication information is used to indicate beam information of a PUSCH, and the SRI in the DCI in the first indication information is used to indicate beam information of a non-periodic SRS resource; 4) The non-periodic SRS resource includes at least one of being associated with at least one of a port number and precoding information.

[0166] It should be noted that the beam information of the non-periodic SRS resource indicated by the SRI is determined by at least one of the RRC signaling or MAC CE signaling sent by the network side equipment and the transmission configuration indication status information.

[0167] It should be noted that the execution body of the uplink channel parameter determination method or the uplink channel parameter configuration method according to the embodiment of the present application may be an uplink channel parameter determination device or an uplink channel parameter configuration device, or a control module for executing the uplink channel parameter determination method in the uplink channel parameter determination device, or a control module for executing the uplink channel parameter configuration method in the uplink channel parameter configuration device. In the embodiment of the present application, the uplink channel parameter determination device according to the embodiment of the present application is taken as an example in which the uplink channel parameter determination device executes the uplink channel parameter determination method, to describe the uplink channel parameter determination device according to the embodiment of the present application.

[0168] As shown in FIG. 3, an embodiment of the present application provides an apparatus for determining uplink channel parameters, the apparatus comprising: A first receiving module 32 for receiving target indication information sent by a network side device, the target indication information including at least one of transmission arrangement indication status information and first indication information, the transmission arrangement indication status information or the first indication information being used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission; and a first determining module 34 for determining uplink channel parameters based on the target indication information.

[0169] The device of the embodiment of the present application can determine uplink channel parameters for scheduling PUSCH transmission based on the transmission configuration indication status information and / or the first indication information, thereby avoiding the need to determine the uplink channel parameters required for PUSCH transmission through SRI signaling in the prior art, thereby saving the overhead of SRI signaling and realizing the scheduling and transmission of PUSCH.

[0170] Optionally, the first determination module 34 in the embodiment of the present application includes at least one of: a first determination unit for determining PUSCH beam information based on transmission configuration instruction status information; and a second determination unit for determining precoding information based on first instruction information including precoding information in downlink control information DCI.

[0171] Optionally, the first determining module 34 in the embodiment of the present application may further include a third determining unit for determining the port number of the PUSCH based on the transmission configuration indication status information related to the port number of the PUSCH.

[0172] Optionally, the first determining module 34 in the embodiment of the present application may further include a fourth determining unit for determining the number of ports of the PUSCH according to the first indication information or as agreed upon by a protocol.

[0173] Optionally, the port number and the DCI format in the embodiment of the present application have a preset corresponding relationship, and the preset corresponding relationship is stipulated by a protocol or configured by a network side device.

[0174] Optionally, there is an associated relationship between the precoding information and the number of ports in the embodiment of the present application.

[0175] Optionally, the PUSCH in the embodiment of the present application is a PUSCH scheduled based on a codebook, and the network side device does not configure the sounding reference signal (SRS) resource.

[0176] Optionally, the first determination module 34 in the embodiment of the present application further includes at least one of: a fifth determination unit for determining beam information of a PUSCH based on transmission configuration instruction status information; a sixth determination unit for determining an SRS resource based on the transmission configuration instruction status information or the first instruction information; a seventh determination unit for determining the number of ports of a PUSCH based on the number of ports of the SRS resource; and an eighth determination unit for determining precoding information based on the first instruction information.

[0177] Optionally, the SRS resource is configured in the transmission configuration indication status information in the embodiment of the present application, or the transmission configuration indication status information is related to the SRS resource.

[0178] Optionally, the PUSCH in the embodiment of the present application is a PUSCH scheduled based on a codebook, and the network side device configures an SRS resource, and the SRS resource is: 1) a first SRS resource configured by a network side device; 2) At least one second SRS resource among a plurality of second SRS resources having the same number of ports, which are arranged by a network side device; 3) At least one third SRS resource among a plurality of third SRS resources configured by a network side device, and at least two third SRS resources among the plurality of third SRS resources have different port numbers; 4) At least one fourth SRS resource among multiple fourth SRS resources arranged by a network side device, at least two of the multiple fourth SRS resources have different port numbers, and the at least one transmission arrangement instruction status information is related to the at least one fourth SRS resource among the multiple fourth SRS resources, or the at least one transmission arrangement instruction status information includes at least one of the following: at least one fourth SRS resource among the multiple fourth SRS resources is arranged in the at least one transmission arrangement instruction status information.

[0179] Optionally, there is an association relationship between the precoding information and the SRS resource in the embodiment of the present application, where the beam information of the SRS resource is determined by the transmission configuration indication status information.

[0180] Optionally, the device in the embodiment of the present application further includes: a second receiving module for receiving configuration information sent by the network side equipment when the port number of the SRS resource configured by the network side equipment does not match the port number of the PUSCH before receiving the target indication information sent by the network side equipment, where the configuration information is used to indicate the port number of the relocated SRS resource; or a second determination module for determining the port number of the SRS resource based on the port number associated with the transmission configuration indication status information in the target indication information before receiving the target indication information sent by the network side equipment.

[0181] Optionally, when the target indication information is transmission placement indication status information, the first determination module includes a ninth determination unit for determining at least one uplink channel parameter of a port number, beam information, and precoding information based on the transmission placement indication status information, where the transmission placement indication status information is related to at least one of the port number, beam information, and precoding information.

[0182] Optionally, in the process of scheduling PUSCH transmission based on a non-codebook, the target indication information is transmission configuration indication status information and first indication information, and the first determination module includes a tenth determination unit for determining beam information of the PUSCH based on the transmission configuration indication status information, or an eleventh determination unit for determining beam information of the PUSCH based on the first indication information.

[0183] Optionally, the first determining module 34 in the embodiment of the present application may further include a twelfth determining unit for determining beam information of a PUSCH based on the SRI of the DCI in the first indication information.

[0184] Optionally, the first determination module 34 in the embodiment of the present application may further include a thirteenth determination unit for determining at least one of the number of ports and precoding information of the PUSCH based on the SRI of the DCI in the first indication information.

[0185] Optionally, in an embodiment of the present application, when the network side equipment configures a virtual SRS resource having an associated relationship with an uplink channel parameter, the SRI of the DCI in the first indication information is used to indicate the virtual SRS resource.

[0186] Optionally, the device in the embodiment of the present application may further include: a first transmitting module for transmitting a precoding SRS resource to a network side equipment before determining at least one of the number of ports of the PUSCH and the precoding information based on the SRI in the DCI; and a third receiving module for receiving the DCI transmitted by the network side equipment, where the precoding information in the DCI is obtained by the network side equipment measuring the precoding SRS resource.

[0187] Optionally, the SRS resources in the embodiments of the present application include at least one of: 1) SRS resources associated with a first CSI-RS resource whose source reference signal RS is the source RS in the transmission configuration indication status information; and 2) SRS resources associated with the CSI-RS resources in the transmission configuration indication status information.

[0188] Optionally, when the target indication information is transmission arrangement indication status information, the first determination module 34 in the embodiment of the present application may further include at least one of: a fourteenth determination unit for setting the downlink RS as the reference signal of the first power control parameter information when the source RS in the transmission arrangement indication status information is a downlink RS; a fifteenth determination unit for setting the downlink RS corresponding to the source RS of the uplink RS or the uplink RS as the reference signal of the first power control parameter information when the source RS in the transmission arrangement indication status information is an uplink RS; a sixteenth determination unit for setting a preset downlink RS as the reference signal of the first power control parameter information when the source RS does not exist in the transmission arrangement indication status information; and a seventeenth determination unit for determining the reference signal of the first power control parameter information based on a preset mapping relationship and the transmission arrangement indication status information, where the preset mapping relationship is used to indicate a mapping relationship between the transmission arrangement indication status information and the reference signal of the first power control parameter information.

[0189] Optionally, when the target indication information is transmission arrangement indication status information, the first determination module 34 in the embodiment of the present application may further include an 18th determination unit for determining second power control parameter information based on the transmission arrangement indication status information, where the second power control parameter information is configured in the transmission arrangement indication status information, or the transmission arrangement indication status information is related to the second power control parameter information.

[0190] Optionally, when the target indication information is first indication information and the second power control parameter is related to an SRS resource configured by the network side equipment, the first determination module 34 in the embodiment of the present application may further include a 19th determination unit for determining the second power control parameter based on the SRI in the DCI in the first indication information.

[0191] Optionally, when the network side equipment configures aperiodic SRS resources, the first determination module 34 in the embodiment of the present application further includes: a twentieth determination unit for determining beam information of a PUSCH based on transmission configuration indication status information or based on an SRI in a DCI, where the beam information of the aperiodic SRS resource indicated by the SRI is determined based on an RRC signaling or a MAC CE command or transmission configuration indication status information sent by the network side equipment; and a twenty-first determination unit for determining the number of ports and / or precoding information associated with the aperiodic SRS resource indicated by the SRI in a DCI, or the number of ports and / or precoding information associated with the transmission configuration indication status information, as the number of ports or precoding information of a PUSCH.

[0192] For the network side, the embodiment of the present application further provides an uplink channel parameter configuration device applied to a network side device, the device including: a second sending module for sending target indication information to a terminal, where the target indication information includes at least one of transmission configuration indication status information and first indication information, and the transmission configuration indication status information or the first indication information is used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission.

[0193] Optionally, the target indication information in the embodiment of the present application is used to indicate uplink channel parameters of PUSCH transmission includes at least one of: the transmission placement indication status information is used to indicate beam information in the uplink channel parameters; and the first indication information is used to indicate precoding information in the uplink channel parameters.

[0194] Optionally, in an embodiment of the present application, the number of ports is determined by at least one of: determining the number of ports associated with transmission configuration instruction status information; indicating the number of ports by first instruction information; and / or agreeing on the number of ports by a protocol.

[0195] Optionally, there is an associated relationship between the precoding information and the number of ports in the embodiment of the present application.

[0196] Alternatively, there is a preset correspondence between the port number and the DCI format in the embodiment of the present application, and the preset correspondence is stipulated by a protocol or configured by a network side device.

[0197] Optionally, the PUSCH in the embodiment of the present application is a PUSCH scheduled based on a codebook, and the network side equipment does not configure a sounding reference signal (SRS) resource in the terminal.

[0198] Optionally, in the embodiments of the present application, the target indication information is used to indicate uplink channel parameters of PUSCH transmission includes at least one of: the transmission arrangement indication status information is used to indicate beam information of PUSCH; the transmission arrangement indication status information or the first indication information is used to indicate SRS resources; the number of ports of the SRS resources is used to indicate the number of ports of PUSCH; and the first indication information is used to indicate precoding information.

[0199] Optionally, the SRS resource is configured in the transmission configuration indication status information in the embodiment of the present application, or the transmission configuration indication status information is related to the SRS resource.

[0200] Optionally, the PUSCH in the embodiment of the present application is a PUSCH scheduled based on a codebook, and the network side device configures an SRS resource, and the SRS resource is: 1) a first SRS resource configured by a network side device; 2) At least one second SRS resource among a plurality of second SRS resources having the same number of ports, which are arranged by a network side device; 3) At least one third SRS resource among a plurality of third SRS resources configured by a network side device, and at least two third SRS resources among the plurality of third SRS resources have different port numbers; 4) At least one fourth SRS resource among multiple fourth SRS resources arranged by a network side device, at least two of the multiple fourth SRS resources have different port numbers, and the at least one transmission arrangement instruction status information is related to the at least one fourth SRS resource among the multiple fourth SRS resources, or the at least one transmission arrangement instruction status information includes at least one of the following: at least one fourth SRS resource among the multiple fourth SRS resources is arranged in the at least one transmission arrangement instruction status information.

[0201] Optionally, there is an association relationship between the precoding information and the SRS resource in the embodiment of the present application, where the beam information of the SRS resource is determined by the transmission configuration indication status information.

[0202] Optionally, the apparatus in the embodiment of the present application may further include a third sending module for sending configuration information to the terminal when the port number of the SRS resource configured by the network side equipment does not match the port number of the PUSCH, and the configuration information is used to rearrange the port number of the SRS resource.

[0203] Optionally, in the embodiment of the present application, the target indication information is used to indicate uplink channel parameters of PUSCH transmission including being used to determine at least one uplink channel parameter among the number of ports, beam information, and precoding information based on the transmission configuration indication status information.

[0204] Optionally, in the embodiment of the present application, the target indication information is used to indicate an uplink channel parameter, including that the transmission configuration indication status information is used to indicate beam information of a PUSCH, or that the first indication information is used to indicate beam information of a PUSCH.

[0205] Optionally, the first indication information in the embodiment of the present application includes an SRI of a DCI, where the SRI of the DCI is used to indicate at least one of beam information of a PUSCH, a port number of a PUSCH, and precoding information of a PUSCH.

[0206] Optionally, in an embodiment of the present application, when the network side equipment configures a virtual SRS resource having an associated relationship with an uplink channel parameter, the SRI of the DCI in the first indication information is used to indicate the virtual SRS resource.

[0207] Optionally, the apparatus in the embodiment of the present application may further include a fourth receiving module for receiving a precoding SRS resource transmitted by the terminal, and a measurement module for measuring the precoding SRS resource and determining precoding information in the DCI based on the measurement result.

[0208] Optionally, the SRS resource in the embodiment of the present application includes at least one of an SRS resource associated with a first CSI-RS resource whose source reference signal RS is the source RS in the transmission configuration indication status information, and an SRS resource associated with a CSI-RS resource in the transmission configuration indication status information.

[0209] Optionally, the apparatus in an embodiment of the present application may further include a configuration module for configuring a resource pool before sending target indication information to the terminal, where the resource pool includes one or more transmission configuration indication status information.

[0210] Optionally, in the embodiment of the present application, when the network side device configures aperiodic SRS resources, the target indication information is used to indicate uplink channel parameters of PUSCH transmission. 1) The transmission arrangement indication status information is used to indicate beam information of a PUSCH; 2) the transmission arrangement instruction status information is related to at least one of the number of ports and precoding information; 3) The first indication information is used to indicate beam information of a PUSCH, and the SRI in the DCI in the first indication information is used to indicate beam information of a non-periodic SRS resource; 4) The first indication information includes at least one of the following: the non-periodic SRS resource indicated by the SRI in the DCI is associated with at least one of a port number and precoding information.

[0211] Optionally, the beam information of the non-periodic SRS resource indicated by the SRI in the embodiment of the present application is determined by at least one of RRC signaling or MAC CE signaling sent by the network side equipment and transmission configuration indication status information.

[0212] The uplink channel parameter determining device and the uplink channel parameter device in the embodiment of the present application may be a device, and may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television (TV), a deposit payment machine or a self-service machine, and the embodiment of the present application is not specifically limited thereto.

[0213] The uplink channel parameter determining device and the uplink channel parameter configuring device in the embodiment of the present application may be a device having an operating system, which may be an Android operating system, an iOS operating system, or other possible operating systems, and the embodiment of the present application is not specifically limited.

[0214] The uplink channel parameter determination device according to the embodiment of the present application can realize each process realized by the embodiment of the method of FIG. 2 and achieve the same technical effects, and will not be described further here in order to avoid repetition.

[0215] Optionally, as shown in FIG. 4, the embodiment of the present application further provides a communication device 400, which includes a processor 401, a memory 402, and a program or instruction stored in the memory 402 and operable on the processor 401. For example, when the communication device 400 is a terminal, when the program or instruction is executed by the processor 401, each process of the embodiment of the method for determining uplink channel parameters or the method for configuring uplink channel parameters can be realized, and the same technical effect can be achieved. When the communication device 400 is a network side device, when the program or instruction is executed by the processor 401, each process of the embodiment of the method for determining uplink channel parameters or the method for configuring uplink channel parameters can be realized, and the same technical effect can be achieved. In order to avoid repetition, no further description will be given here.

[0216] FIG. 5 is a hardware structural schematic diagram of a terminal implementing an embodiment of the present application.

[0217] The terminal 500 includes components such as, but not limited to, a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, and a processor 510.

[0218] As can be understood by those skilled in the art, the terminal 500 may further include a power source (e.g., a battery) for powering each component, and the power source may be logically connected to the processor 510 by a power management system, so that the power management system can realize functions such as charge / discharge management and power consumption management. The terminal structure shown in Figure 5 does not constitute a limitation on the terminal, and the terminal may include more or less components, or a combination of some components, or a different arrangement of components compared to Figure 5, and will not be further described here.

[0219] It should be understood that in the embodiment of the present application, the input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042, and the graphics processor 5041 processes image data of still or video captured by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The display unit 506 may include a display panel 5061, and the display panel 5061 may be arranged in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 507 includes a touch panel 5071 and other input devices 5072. The touch panel 5071 is also called a touch screen. The touch panel 5071 may include two parts: a touch detection device and a touch controller. The other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control buttons, switch buttons, etc.), a trackball, a mouse, and an operation lever, which will not be described further herein.

[0220] In the embodiment of the present application, the radio frequency unit 501 receives downlink data from the network side device, and then causes the processor 510 to process the data, and transmits uplink data to the network side device. In general, the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0221] The memory 509 may be used to store software programs or instructions and various data. The memory 509 may mainly include a program or instruction storage area and a data storage area, where the program or instruction storage area can store an operating system, an application program or instruction required for at least one function (e.g., a sound playback function, an image playback function, etc.), etc. The memory 509 may include a high-speed random access memory or a non-volatile memory, where the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. For example, the memory 509 may be at least one magnetic disk memory device, a flash memory device, or other non-volatile solid-state memory device.

[0222] The processor 510 may include one or more processing units. Optionally, the processor 510 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, and the modem processor mainly processes wireless communication, such as a baseband processor. As can be understood, the modem processor does not have to be integrated into the processor 510.

[0223] Wherein, the radio frequency unit 501 is used for receiving target indication information sent by a network side device, where the target indication information includes at least one of transmission arrangement indication status information and first indication information, and the transmission arrangement indication status information or the first indication information is used for indicating uplink channel parameters of a physical uplink shared channel (PUSCH) transmission; A processor 510 is used for determining the uplink channel parameters based on the target indication information.

[0224] According to the embodiment of the present application, the terminal can determine uplink channel parameters for scheduling PUSCH transmission based on the transmission configuration indication status information and / or the first indication information, thereby avoiding the need to determine uplink channel parameters for PUSCH transmission through SRI signaling in the prior art, thereby saving the overhead of SRI signaling and realizing the scheduling and transmission of PUSCH.

[0225] Specifically, an embodiment of the present application further provides a network side device. As shown in Fig. 6, the network side device 600 includes an antenna 61, a radio frequency device 62, and a baseband device 63. The antenna 61 and the radio frequency device 62 are connected. In the uplink direction, the radio frequency device 62 receives information through the antenna 61, and transmits the received information to the baseband device 63 for processing. In the downlink direction, the baseband device 63 processes the information to be transmitted and transmits it to the radio frequency device 62, and the radio frequency device 62 processes the received information and then sends it out through the antenna 61.

[0226] The above frequency band processing device may be located in a baseband device 63, and the method performed by the network side equipment in the above embodiments may be implemented in the baseband device 63, which includes a processor 64 and a memory 65.

[0227] The baseband device 63 may include, for example, at least one baseband board, on which multiple chips are installed, one of which is, for example, a processor 64, connected to a memory 65, for calling the program in the memory 65, and for executing the network device operations shown in the above method embodiments, as shown in FIG.

[0228] The baseband device 63 may further include a network interface 66, which is used to exchange information with the radio frequency device 62, and which is for example a common public radio interface (abbreviated as CPRI).

[0229] Specifically, the network side equipment of the embodiment of the present application further includes instructions or programs stored in memory 65 and capable of running on processor 64, and processor 64 can call the instructions or programs in memory 65 to execute the uplink channel parameter configuration method executed by the network side equipment, and achieve the same technical effect, which will not be described further here in order to avoid repetition of description.

[0230] The embodiments of the present application further provide a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, each process of the embodiment of the method for determining and configuring uplink channel parameters can be realized and the same technical effect can be achieved. In order to avoid repetition, no further description will be given here.

[0231] Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0232] The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, the processor is used to run a program or instruction to realize each process of the embodiment of the method for determining and configuring uplink channel parameters, and can achieve the same technical effect. In order to avoid repetition, no further description will be given here.

[0233] It should be understood that the chips referred to in the embodiments of the present application may be referred to as system level chips, system chips, chip systems, or systems on chips.

[0234] It should be explained that in this specification, the terms "comprise", "include", "includes" or any other variants thereof are intended to cover the non-exclusive "comprise", whereby a process, method, article or apparatus that includes a set of elements includes not only those elements, but also other elements not expressly listed or inherent to such process, method, article or apparatus. In the absence of further limitations, an element limited by the phrase "comprises one or more" does not preclude the presence of other identical elements in the process, method, article or apparatus that includes the element. It should be pointed out that the scope of the method and apparatus in the embodiments of this application is not limited to performing functions in the order shown or described, but may include performing functions in an essentially simultaneous manner or in the reverse order, depending on the functions involved, for example, the described method can be performed in a different order than described, and various steps can be added, omitted or combined. Also, features described with reference to some examples can be combined in other examples.

[0235] From the above description of the embodiments, it is clear to those skilled in the art that the methods of the above embodiments can be realized in the form of software and a necessary general-purpose hardware platform. Of course, they can also be realized in hardware, but in many cases the former is a more preferred embodiment. Based on this understanding, the technical solution of the present application may be substantially or in part embodied in the form of a software product. The computer software product is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes some instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0236] It should be understood that the division of each module of the above device is merely a division of logical functions, and when actually realized, all or part of them may be integrated into one physical entity or physically separated. These modules may all be realized in a form in which software is called by a processing element, or all may be realized in a form of hardware, or some modules may be realized in a form in which a processing element calls software, and some modules may be realized in a form of hardware. For example, the receiving module may be a processing element provided separately, or may be integrated into a chip of the above device. It may be stored in the memory of the above device in the form of program code, and be called by a processing element of the above device to perform the functions of the above receiving module. The implementation of other modules is similar. It may be all or part of these modules may be integrated or independently implemented. The processing element described herein may be an integrated circuit having a signal processing capability. In the implementation process, each step of the above method or each of the above modules may be completed by an integrated logic circuit of hardware in a processor element or by instructions in the form of software.

[0237] For example, each module, unit, sub-unit, or sub-module may be configured as one or more integrated circuits implementing the above method, such as one or more application specific integrated circuits (ASICs), one or more microprocessors (DSPs), or one or more field programmable gate arrays (FPGAs). For example, when a certain module is implemented in a form in which a processing element schedules a program code, the processing element may be a general-purpose processor, such as a central processing unit (CPU) or other processor capable of calling a program code. For example, these modules may be integrated and implemented in the form of a system-on-a-chip (SOC).

[0238] The above describes the embodiments of the present application in conjunction with the drawings, but the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. The practitioner may implement various forms under the suggestion of this application without departing from the spirit and scope of protection of the claims, and all of them belong to the protection scope of this application.

Claims

1. A method for determining uplink channel parameters performed by a terminal, comprising: Receiving target indication information transmitted by a network side device, the target indication information including transmission arrangement indication status information, the transmission arrangement indication status information being used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission; determining the uplink channel parameters based on the target indication information; Determining the uplink channel parameters based on the target indication information includes: Determining uplink channel parameters including a number of ports, beam information, and precoding information based on the transmission arrangement instruction status information; A method for determining uplink channel parameters, wherein the transmission arrangement instruction status information is related to the number of ports, beam information, and precoding information.

2. The target indication information further includes first indication information used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission, and determining the uplink channel parameters based on the target indication information includes: Determining the PUSCH beam information based on the transmission arrangement indication status information; and determining precoding information based on the first indication information including precoding information in downlink control information (DCI).

3. Determining the uplink channel parameters based on the target indication information includes: determining a number of ports of the physical uplink shared channel (PUSCH) based on the transmission arrangement indication state information related to a number of ports of the physical uplink shared channel (PUSCH); Or, Determining the uplink channel parameters based on the target indication information includes: The method according to claim 2 , further comprising: determining a number of ports of a physical uplink shared channel (PUSCH) based on the first instruction information or a protocol agreement.

4. The method according to claim 3 , wherein an association relationship exists between the precoding information and the number of ports.

5. 4. The method according to claim 2, wherein the physical uplink shared channel PUSCH is a physical uplink shared channel PUSCH scheduled based on a codebook, and the network side device does not configure a sounding reference signal (SRS) resource in the terminal.

6. Determining the uplink channel parameters based on the target indication information includes: Determining beam information of the physical uplink shared channel (PUSCH) based on the transmission arrangement indication state information; Determining a sounding reference signal (SRS) resource based on the transmission configuration indication status information or the first indication information; determining a number of ports of the physical uplink shared channel (PUSCH) based on a number of ports of the sounding reference signal (SRS) resource; and determining precoding information based on the first indication information.

7. The method of claim 6 , wherein the sounding reference signal (SRS) resource is configured in the transmission configuration indication status information or the transmission configuration indication status information is related to the sounding reference signal (SRS) resource.

8. The physical uplink shared channel PUSCH is a physical uplink shared channel PUSCH scheduled based on a codebook, and a sounding reference signal SRS resource is configured by a network side device, and the sounding reference signal SRS resource is: A first sounding reference signal (SRS) resource configured by the network side device; At least one second sounding reference signal SRS resource among a plurality of second sounding reference signal SRS resources having the same number of ports, which are configured by the network side device; At least one third sounding reference signal SRS resource among a plurality of third sounding reference signal SRS resources arranged by the network side device, and at least two third sounding reference signal SRS resources among the plurality of third sounding reference signal SRS resources have different port numbers; 7. The method according to claim 6, wherein at least one fourth sounding reference signal SRS resource among a plurality of fourth sounding reference signal SRS resources configured by the network side device, at least two fourth sounding reference signal SRS resources among the plurality of fourth sounding reference signal SRS resources have different port numbers, and at least one transmission configuration instruction status information is related to at least one fourth sounding reference signal SRS resource among the plurality of fourth sounding reference signal SRS resources, or at least one transmission configuration instruction status information includes at least one of the following: at least one fourth sounding reference signal SRS resource among the plurality of fourth sounding reference signal SRS resources is configured in the at least one transmission configuration instruction status information.

9. In a process of scheduling a physical uplink shared channel (PUSCH) transmission based on a non-codebook, the target indication information is the transmission arrangement indication status information and the first indication information, and determining the uplink channel parameters based on the target indication information includes: Determining beam information of the physical uplink shared channel (PUSCH) based on the transmission arrangement indication status information; or The method according to claim 2 , further comprising: determining beam information of the physical uplink shared channel (PUSCH) based on the first indication information.

10. 3. The method according to claim 2, wherein when the network side device configures a virtual sounding reference signal (SRS) resource having a correlation with the uplink channel parameter, a sounding reference signal resource indication (SRI) of downlink control information (DCI) in the first indication information is used to indicate the virtual sounding reference signal (SRS) resource.

11. When the target indication information is the transmission configuration indication status information, determining the uplink channel parameters based on the target indication information includes: When a source RS in the transmission arrangement instruction status information is a downlink RS, the downlink RS is set as a reference signal of first power control parameter information; When a source RS in the transmission arrangement instruction state information is an uplink RS, a source RS of the uplink RS or a downlink RS corresponding to the uplink RS is set as a reference signal of the first power control parameter information; When a source RS does not exist in the transmission arrangement instruction state information, a preset downlink RS is set as a reference signal of the first power control parameter information; 2. The method of claim 1, further comprising: determining a reference signal of the first power control parameter information based on a predetermined mapping relationship and the transmission arrangement indication status information, the predetermined mapping relationship being used to indicate a mapping relationship between the transmission arrangement indication status information and the reference signal of the first power control parameter information.

12. When the target indication information is the transmission configuration indication status information, determining the uplink channel parameters based on the target indication information includes: determining second power control parameter information based on the transmission arrangement indication status information, the second power control parameter information being configured in the transmission arrangement indication status information or the transmission arrangement indication status information being related to the second power control parameter information; Or, When the target indication information is the first indication information and a second power control parameter is related to a sounding reference signal (SRS) resource configured by a network side device, determining the uplink channel parameter based on the target indication information includes: The method of claim 2 , further comprising: determining the second power control parameter based on a sounding reference signal resource indication (SRI) in downlink control information (DCI) in the first indication information.

13. When the network side device configures a non-periodic sounding reference signal (SRS) resource, determining the uplink channel parameter based on the target indication information includes: Determining beam information of the physical uplink shared channel PUSCH based on the transmission arrangement indication status information or based on a sounding reference signal resource indication SRI in downlink control information DCI, wherein the beam information of a non-periodic sounding reference signal SRS resource indicated by the sounding reference signal resource indication SRI is determined based on an RRC signaling or a MAC CE command transmitted by a network side device, or the transmission arrangement indication status information; and determining, as the number of ports or the precoding information of the physical uplink shared channel PUSCH, a number of ports and / or precoding information associated with a non-periodic sounding reference signal (SRS) resource indicated by a sounding reference signal resource indication (SRI) in the downlink control information (DCI), or a number of ports and / or precoding information associated with transmission arrangement indication status information.

14. 14. A terminal comprising a processor, a memory, and a program or instructions stored in the memory and operable on the processor, the program or instructions, when executed by the processor, implementing the steps of a method for determining uplink channel parameters according to any one of claims 1 to 13.

15. A network side device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and when the program or instruction is executed by the processor, the network side device realizes a step of transmitting target indication information to a terminal, the target indication information including transmission configuration indication status information, and the transmission configuration indication status information is used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission; The target indication information is used to indicate uplink channel parameters of a physical uplink shared channel (PUSCH) transmission. Determining uplink channel parameters including a number of ports, beam information, and precoding information based on the transmission arrangement instruction status information; The transmission arrangement instruction status information is related to the number of ports, beam information, and precoding information. Network side equipment.

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