WO2023201542A1 - Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau - Google Patents

Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau Download PDF

Info

Publication number
WO2023201542A1
WO2023201542A1 PCT/CN2022/087757 CN2022087757W WO2023201542A1 WO 2023201542 A1 WO2023201542 A1 WO 2023201542A1 CN 2022087757 W CN2022087757 W CN 2022087757W WO 2023201542 A1 WO2023201542 A1 WO 2023201542A1
Authority
WO
WIPO (PCT)
Prior art keywords
srs resource
value
srs
indication
information
Prior art date
Application number
PCT/CN2022/087757
Other languages
English (en)
Chinese (zh)
Inventor
陈文洪
曹建飞
黄莹沛
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2022/087757 priority Critical patent/WO2023201542A1/fr
Publication of WO2023201542A1 publication Critical patent/WO2023201542A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and specifically relate to a method and device for determining transmission parameters, terminal equipment, and network equipment.
  • the terminal device can use the downlink channel information to obtain the uplink channel information.
  • the network device does not It is necessary to indicate the relevant information of the precoding matrix to the terminal equipment, thereby reducing the overhead of downlink control information (DCI).
  • DCI downlink control information
  • the terminal device needs to first send N (N is the number of antenna ports, N equals 2 or 4) single-port Sounding Reference Signal (SRS) resources.
  • N is the number of antenna ports, N equals 2 or 4
  • SRS Sounding Reference Signal
  • the network device performs measurements after receiving the SRS resources and selects The best one or several SRS resources and the corresponding resource index value are indicated to the terminal device through SRS resource indication (ounding Reference Signal Resource Indicator, SRI) information, so that the terminal device can determine the uplink transmission parameters based on the SRI information.
  • SRS resource indication unding Reference Signal Resource Indicator, SRI
  • terminal equipment can be configured with more transmitting antennas.
  • terminal equipment that supports 8 antenna ports there is currently no clear method on how to perform SRS resource indication so that the terminal equipment can determine transmission parameters.
  • Embodiments of the present application provide a method and device for determining transmission parameters, terminal equipment, and network equipment.
  • the first aspect provides a method for determining transmission parameters, including:
  • the terminal device determines M target SRS resources from the SRS resource set based on the received SRI information;
  • the SRS resource set is an SRS resource set configured by the network device for non-codebook transmission;
  • the SRS resource set includes N SRS resources; wherein, N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N; the SRI information supports indication of 8 SRS resources;
  • the terminal equipment determines the transmission parameters of the physical uplink shared channel PUSCH based on the M target SRS resources.
  • the second aspect provides a method for determining transmission parameters, including:
  • the network device sends SRI information to the terminal device; the SRI indication information is used to determine M target SRS resources from the SRS resource set; the SRS resource set is an SRS resource set configured by the network device for non-codebook transmission;
  • the SRS resource set includes N SRS resources; where N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N; the SRI information supports indication of 8 SRS resources.
  • a device for determining transmission parameters applied to terminal equipment, and the device includes:
  • the first determining unit is configured to determine M target SRS resources from the SRS resource set based on the received SRI information; the SRS resource set is an SRS resource set configured by the network device for non-codebook transmission;
  • the SRS resource set includes N SRS resources; where N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N; the SRI information supports indication of 8 SRS resources;
  • the second determining unit is configured to determine the transmission parameters of the physical uplink shared channel PUSCH based on the M target SRS resources.
  • a device for determining transmission parameters applied to network equipment, and the device includes:
  • a sending unit configured to send SRI information to the terminal device; the SRI indication information is used to determine M target SRS resources from an SRS resource set; the SRS resource set is an SRS configured by the network device for non-codebook transmission.
  • Resource set; the SRS resource set includes N SRS resources; where N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N; the SRI information supports indication of 8 SRS resources.
  • embodiments of the present application provide a terminal device, including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to perform the method for determining transmission parameters described in the first aspect.
  • a network device in a sixth aspect, includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to perform the method for determining transmission parameters described in the second aspect.
  • the chip provided by the embodiment of the present application is used to implement the above-mentioned method of determining transmission parameters.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned method for determining transmission parameters.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program.
  • the computer program causes the computer to execute the above-mentioned method for determining transmission parameters.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, which cause the computer to execute the above-mentioned method for determining transmission parameters.
  • the computer program provided by the embodiment of the present application when run on a computer, causes the computer to perform the above-mentioned method for determining transmission parameters.
  • the network device can send SRI information to the terminal device.
  • the terminal device can determine M target SRS resources from the SRS resource set based on the received SRI information;
  • the SRS The resource set is a set of SRS resources configured by the network device for non-codebook transmission;
  • the SRS resource set includes N SRS resources; where N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N ;
  • the SRI information supports indication of 8 SRS resources; furthermore, the terminal device can determine the transmission parameters of the PUSCH based on the M target SRS resources. It can be seen that the SRI information in this application can support the indication of 8 SRS resources.
  • the SRI information can support the transmission of 8 antenna ports based on non-codebook.
  • the embodiment of this application can convert the existing non-codebook
  • the functions supported by codebook transmission are extended to 8 antenna ports.
  • terminal equipment configured with multiple antenna ports can normally determine the PUSCH transmission parameters, ensuring the normal transmission of PUSCH.
  • Figure 1 is a schematic diagram of an application scenario according to the embodiment of the present application.
  • Figure 2 is a schematic flowchart of an exemplary method for determining transmission parameters in the related art
  • Figure 3 is a schematic flowchart 1 of a method for determining transmission parameters provided by an embodiment of the present application
  • Figure 4 is a schematic flowchart 2 of a method for determining transmission parameters provided by an embodiment of the present application
  • Figure 5 is a schematic structural diagram of a device for determining transmission parameters 500 provided by an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a device for determining transmission parameters 600 provided by an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • Figure 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • Figure 1 is a schematic diagram of an application scenario according to the embodiment of the present application.
  • the communication system 100 may include a terminal device 110 and a network device 120 .
  • the network device 120 may communicate with the terminal device 110 through the air interface. Multi-service transmission is supported between the terminal device 110 and the network device 120.
  • LTE Long Term Evolution
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • IoT Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • 5G communication system also known as New Radio (NR) communication system
  • NR New Radio
  • the network device 120 may be an access network device that communicates with the terminal device 110 .
  • the access network device may provide communication coverage for a specific geographical area and may communicate with terminal devices 110 (e.g., UEs) located within the coverage area.
  • terminal devices 110 e.g., UEs
  • the network device 120 may be an evolutionary base station (Evolutional Node B, eNB or eNodeB) in a Long Term Evolution (LTE) system, or a next generation radio access network (Next Generation Radio Access Network, NG RAN) equipment, It may be a base station (gNB) in an NR system, or a wireless controller in a Cloud Radio Access Network (CRAN), or the network device 120 may be a relay station, access point, vehicle-mounted device, or wearable device. Equipment, hubs, switches, bridges, routers, or network equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN), etc.
  • Evolutional Node B, eNB or eNodeB in a Long Term Evolution (LTE) system
  • NG RAN Next Generation Radio Access Network
  • gNB base station
  • CRAN Cloud Radio Access Network
  • the terminal device 110 may be any terminal device, including but not limited to terminal devices that are wired or wirelessly connected to the network device 120 or other terminal devices.
  • the terminal device 110 may refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication Device, user agent, or user device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, IoT devices, satellite handheld terminals, Wireless Local Loop (WLL) stations, Personal Digital Assistants (Personal Digital Assistant) , PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in 5G networks or terminal devices in future evolution networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistants
  • handheld devices with wireless communication functions computing devices or other processing devices connected to wireless modems
  • vehicle-mounted devices wearable devices
  • terminal devices in 5G networks or terminal devices in future evolution networks etc.
  • the terminal device 110 can be used for device to device (Device to Device, D2D) communication.
  • D2D Device to Device
  • the wireless communication system 100 may also include a core network device 130 that communicates with the base station.
  • the core network device 130 may be a 5G core network (5G Core, 5GC) device, such as an access and mobility management function (Access and Mobility Management Function). , AMF), for example, Authentication Server Function (AUSF), for example, User Plane Function (UPF), for example, Session Management Function (Session Management Function, SMF).
  • AMF Access and Mobility Management Function
  • AUSF Authentication Server Function
  • UPF User Plane Function
  • Session Management Function Session Management Function
  • SMF Session Management Function
  • the core network device 130 may also be an Evolved Packet Core (EPC) device of the LTE network, for example, a session management function + core network data gateway (Session Management Function + Core Packet Gateway, SMF + PGW- C) Equipment.
  • EPC Evolved Packet Core
  • SMF+PGW-C can simultaneously realize the functions that SMF and PGW-C can realize.
  • the above-mentioned core network equipment may also be called by other names, or a new network entity may be formed by dividing the functions of the core network, which is not limited by the embodiments of this application.
  • Various functional units in the communication system 100 can also establish connections through next generation network (NG) interfaces to achieve communication.
  • NG next generation network
  • the terminal device establishes an air interface connection with the access network device through the NR interface for transmitting user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (referred to as N1); access Network equipment, such as the next generation wireless access base station (gNB), can establish user plane data connections with UPF through NG interface 3 (referred to as N3); access network equipment can establish control plane signaling with AMF through NG interface 2 (referred to as N2) connection; UPF can establish a control plane signaling connection with SMF through NG interface 4 (referred to as N4); UPF can exchange user plane data with the data network through NG interface 6 (referred to as N6); AMF can communicate with SMF through NG interface 11 (referred to as N11) SMF establishes a control plane signaling connection; SMF can establish a control plane signaling connection with PCF through NG interface 7 (referred to as N7).
  • N1 AMF through the NG interface 1
  • access Network equipment such as the next generation wireless
  • Figure 1 exemplarily shows a base station, a core network device and two terminal devices.
  • the wireless communication system 100 may include multiple base station devices and other numbers of terminals may be included within the coverage of each base station.
  • Equipment the embodiments of this application do not limit this.
  • FIG. 1 only illustrates the system to which the present application is applicable in the form of an example.
  • the method shown in the embodiment of the present application can also be applied to other systems.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship that describes related objects, indicating that three relationships can exist. For example, A and/or B can mean: A exists alone, A and B exist simultaneously, and they exist alone. B these three situations.
  • the character "/" in this article generally indicates that the related objects are an "or” relationship.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • the "correspondence" mentioned in the embodiments of this application can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed. , configuration and configured relationship.
  • predefined can refer to what is defined in the protocol.
  • protocol may refer to a standard protocol in the communication field, which may include, for example, LTE protocol, NR protocol, and related protocols applied in future communication systems. This application does not limit this. .
  • the terminal device when the terminal device sends uplink data, it needs to precode the uplink data to obtain the uplink precoding gain.
  • the transmission of the Physical Uplink Shared Channel (PUSCH) can be divided into codebook-based transmission and non-codebook-based transmission according to different precoding methods.
  • terminal equipment For terminal equipment that supports uplink and downlink channel reciprocity, it can support non-codebook-based precoding methods. In practical applications, terminal equipment can use downlink channel information to obtain uplink channel information to perform uplink analog beamforming and/or digital precoding. At this time, the network equipment does not need to indicate the relevant information of the precoding matrix, which can reduce Downlink Control Information (DCI) overhead.
  • DCI Downlink Control Information
  • the network device can first send the channel state information reference signal (Channel State Information Reference Signal, CSI-RS) to the terminal device so that the terminal device can The obtained CSI-RS determines the beams and precoding matrices of N transmission layers. Further, the terminal equipment can use the beams and precoding matrices of these N transmission layers to send N single-port Sounding Reference Signal (SRS) resources (i.e., N SRS ports) to the network equipment, where, these N Each SRS resource may be configured as a set of SRS resources for non-codebook transmission.
  • SRS Sounding Reference Signal
  • the network device will measure the SRS resources in the SRS resource set, select the best M SRS resources in the SRS resource set, and use the SRS resource indication (Sounding Reference Signal Resource Indicator, SRI) information to assign the M SRS resources to Feedback to the terminal device.
  • SRI Sounding Reference Signal Resource Indicator
  • the terminal equipment can determine the transmission parameters used when performing PUSCH transmission based on the M SRS resources indicated by the SRI information.
  • the transmission parameters may include the number of transmission layers, precoding matrix, simulated beams, etc. It should be understood that the number of SRS resources indicated by the network device is the number of transmission layers, and the precoding matrix and simulated beams used by the SRS resources indicated by the SRI information are the precoding matrices and beams used by the corresponding transmission layer.
  • this mechanism can also be used to support antenna selection, that is, the network device selects 1 SRS resource from N SRS resources for uplink transmission through SRI, which is equivalent to Select one transmit antenna from N transmit antennas for uplink transmission. Finally, the terminal device can transmit the PUSCH based on the determined transmission parameters.
  • the size of the SRI information indication domain can be determined based on N SRS and L max .
  • N SRS is the number of SRS resources included in the above SRS resource set, and N SRS is an integer greater than or equal to 1.
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device. Since the NR system currently supports up to 4 antenna port transmissions, the maximum value of N SRS and L max is 4.
  • the SRS information can indicate the SRS resource with an index value of 0 in the SRS resource set. , if the indication value of the SRI information is 1, the SRI information may indicate the SRS resource with an index value of 1 in the SRS resource set.
  • the SRI information can indicate the SRS resource with an index value of 0 in the SRS resource set; if the indication value of the SRI information is 1 , then the SRI information can indicate the SRS resource with an index value of 1 in the SRS resource set; if the indication value of the SRI information is 2, then the SRI information can indicate an SRS resource with an index value of 2 in the SRS resource set; if the SRI information has an index value of 2, If the indication value is 3, the SRI information may not indicate any SRS resources.
  • the SRI information can indicate the SRS with an index value of 0 in the SRS resource set. resource; if the indication value of the SRI information is 1, the SRS information can indicate the SRS resource with the index value 1 in the SRS resource set; if the indication value of the SIR information is 2, the SRI information can indicate the index value in the SRS resource set.
  • the two SRS resources are 0 and 1.
  • the indication values of different SRI information can respectively indicate the SRS resource set. Any two SRS resource combinations in the SRS resource set, when the indication value of the SRI information is 10-13, the indication values of different SRI information can respectively indicate any three SRS resource combinations in the SRS resource set.
  • the indication values of different SRI information can respectively indicate the SRS resource set. Any two SRS resource combinations in the SRS resource set, when the indication value of the SRI information is 10-13, the indication values of different SRI information can respectively indicate any three SRS resource combinations in the SRS resource set, when the indication value of the SRI information is 14 , the SRI information may indicate a combination of four SRS resources in the SRS resource set.
  • terminal equipment can be configured with more transmitting antennas, but SRI information in related technologies only supports transmission through 4 antenna ports. If the indication of SRI information is performed with reference to the existing technology (ie, non-codebook transmission based on 4 antenna ports), a large amount of DCI signaling overhead is required. Therefore, there is currently no clear method on how to perform SRS resource indication for terminal equipment configured with more transmitting antennas so that the terminal equipment can determine the transmission parameters of PUSCH.
  • the method for determining transmission parameters may include the following steps:
  • Step 310 The network device sends SRI information to the terminal device, and the SRI indication information is used to determine M target SRS resources from the SRS resource set.
  • Step 320 The terminal device determines M target SRS resources from the SRS resource set based on the received SRI information; the SRI information supports indication of 8 SRS resources.
  • Step 330 The terminal equipment determines the transmission parameters of the PUSCH based on the M target SRS resources.
  • the SRS resource set may be an SRS resource set used for non-codebook transmission.
  • the network device may also configure an SRS resource set for non-codebook transmission for the terminal device.
  • the SRS resource set includes N SRS resources, and N is an integer greater than 1.
  • the network device can configure the SRS resource set for non-codebook transmission for the terminal device through high-layer signaling.
  • the network device can configure the SRS resource set for the terminal device through RRC signaling, where the usage indication field in the RRC signaling can be configured as a non-codebook transmission mode.
  • N SRS resources included in the SRS resource set may all be single-port SRS resources.
  • the terminal device may send N SRSs to the network device on the N SRS resources included in the SRS resource set.
  • the terminal device can separately precode the N SRS resources to send the SRS to the network device.
  • the terminal device can obtain the uplink channel information from the downlink channel information through channel reciprocity.
  • N eigenvectors corresponding to the N largest eigenvalues can be obtained.
  • the terminal device can use these N feature vectors to precode N SRS resources respectively.
  • the first feature vector may be used for the SRS resource with the lowest index
  • the second feature vector may be used for the SRS resource with the second lowest index, and so on.
  • the network device may select M target SRS resources from the N SRS resources.
  • M is an integer greater than or equal to 1 and less than or equal to N.
  • the network device may select M target SRS resources with the largest received power according to the power of the SRS received on each SRS resource.
  • the network device may indicate the M target SRS resources to the terminal device through SRI information.
  • the SRI information supports indication of 8 SRS resources.
  • the method provided by the embodiment of the present application can be applied to terminal equipment that supports 8-antenna port transmission based on non-codebook transmission.
  • the SRS resource set configured by the network device can include up to 8 SRS resources, that is, the maximum value of N is 8, and the maximum value of M can also be 8.
  • the SRI information can indicate up to 8 SRS resources.
  • the network device may indicate the selected target SRS resource to the terminal device through a bitmap.
  • the SRI information may include N bits, each bit corresponding to an SRS resource in the SRS resource set. When a certain bit in the SRI information has a value of 1, it indicates that the SRS resource corresponding to the bit is the target SRS resource; On the contrary, when a certain bit in the SRI information has a value of 0, it indicates that the SRS resource corresponding to the bit is not the target SRS resource selected by the network device.
  • the network device can indicate any SRS resource in the SRS resource set or any number of SRS resource combinations through bitmap, which can improve the flexibility of target SRS resource indication.
  • the above indication method may be used to indicate one or more SRS resources in the SRS resource set, or the indication method in the related art may be used to indicate one or more SRS resources in the SRS resource set. Multiple SRS resources, this embodiment of the present application does not limit this.
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the terminal equipment can use the precoding vector with a larger channel gain for the SRS resource with a lower index value in the SRS resource set, the lower the index of the SRS resource, the higher the received power on the SRS resource. Strong, at this time, the network device can only indicate several SRS resources with the lowest index values as target SRS resources, and does not need to indicate other SRS resource combinations. This saves the signaling overhead of SRI information while ensuring system performance.
  • the terminal device after the terminal device determines the M target SRS resources indicated by the network device through the SRI information, it can determine the transmission parameters of the PUSCH based on the M target SRS resources.
  • the transmission parameters may include the number of PUSCH transmission layers, antenna ports for PUSCH transmission, precoding matrix, simulated beams, etc., which are not limited in the embodiments of this application.
  • the terminal device may use M target SRS resources to determine the antenna port for PUSCH transmission.
  • the terminal equipment may use the same antenna port as the SRS ports of the M target SRS resources to transmit the PUSCH.
  • the DMRS ports of the PUSCH and the SRS ports of the M target SRS resources have a one-to-one mapping relationship, that is, the M DMRS ports and the SRS ports of the M target SRS resources are mapped one-to-one.
  • the SRI information can support the indication of 8 SRS resources. That is to say, the SRI information can support the transmission of 8 antenna ports based on non-codebook. In this way, a terminal device configured with multiple antenna ports can normally determine PUSCH transmission parameters, ensuring normal transmission of PUSCH.
  • the method for determining transmission parameters may further include the following steps:
  • Step 300 The terminal device sends second indication information to the network device.
  • the second indication information is used to indicate the terminal device's ability to support non-codebook-based 8-antenna port transmission.
  • the terminal device may report to the network device its ability to support non-codebook 8-antenna port transmission. In this way, the network device can send the SRI information indicating that up to 8 SRS resources are supported to the terminal device.
  • the second indication information can be carried in the terminal capability information reported by the terminal device to the network device.
  • the second indication information can also be carried through dedicated signaling. This embodiment of the present application does not limit this.
  • the terminal device can determine the target SRS resource indicated by the SRI information using the method specified in the existing protocol.
  • the network device indicates one or more SRS resources in the SRS resource set through SRI information in multiple ways, four of which are introduced below.
  • the SRI information can be used to indicate any SRS resource in the SRS resource set; or, the SRI information can be used to indicate the m SRS resources with the lowest index value in the SRS resource set. .
  • m is an integer greater than 0 and less than or equal to P
  • P is the minimum value of N and L max
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI indication information indicates any SRS resource in the SRS resource set, or the m SRS resources with the lowest index value in the SRS resource set, which can be implemented in the following manner 1.1 or 1.2.
  • the SRI information may include N+K valid indication values; where the first N valid indication values among the N+K valid indication values are used to indicate any SRS resource in the SRS resource set; and The other K valid indication values among the N+K valid indication values are used to indicate the m SRS resources with the lowest index value in the SRS resource set, and K is an integer greater than or equal to zero.
  • the number of bits occupied by the information domain of the SRI information may be k, and k is an integer greater than or equal to 1. Therefore, the SRI information field includes a total of 2 k indication values. Among them, the 2 k indication values can be divided into valid indication values and reserved indication values. The valid indication value can indicate one SRS resource or multiple SRS resources, while the reservation indication value may not indicate any SRS resource.
  • the network device can use the first N valid indication values among the 2 k indication values to respectively indicate N SRS resources in the SRS resource set, and use the other K valid indication values to indicate multiple SRSs in the SRS resource set. resource.
  • the first N valid indication values among the N+K valid indication values may correspond one-to-one to the N SRS resources in the SRS resource set. That is to say, different valid indication values among the N valid indication values correspond to different SRS resources.
  • N valid indication values may also be the last N indication values among the 2 k indication values.
  • the embodiment of the present application is for There is no restriction on this.
  • the SRI information only includes N valid indication values.
  • the N valid indication values included in the SRI information may correspond one-to-one to the N SRS resources in the SRS resource set.
  • the SRI information may also include another K valid indication value.
  • the K valid indication values may indicate the m SRS resources with the lowest index value in the SRS resource set.
  • different valid indication values correspond to different values of m, where the value of m starts from 2 and ends at P. That is to say, among the other K valid values, the values of m corresponding to different valid indicator values are ⁇ 2, 3,...,min(N,L max ) ⁇ respectively.
  • the other K valid indication values mentioned in the embodiment of this application may be the K valid indication values starting from N+1 indication values among the 2 k indication values. It may also be K consecutive valid indication values starting from other positions among the 2 k indication values, and the embodiment of the present application does not limit this.
  • the N+1th valid indication value in the SRI information may indicate the two SRS resources with the lowest index values in the SRS resource set, and the N+2nd valid indication value may indicate the three lowest index values in the SRS resource set.
  • the N+Kth valid indication value can indicate the min(N,L max ) SRS resources with the lowest index value in the SRS resource set.
  • the 2 k indication values of the SRI information are all valid indication values, excluding the reserved indication value. If 2 k >N+K, the SRI information may also include (2 k -NK) reservation indication values, and the (2 k -NK) reservation indication values may not indicate any SRS resources.
  • the terminal device after receiving the SRI information, the terminal device can read the indication value actually carried in the SRI information, and use the SRS resource corresponding to the indication value as the target SRS resource.
  • the terminal device may determine the target SRS resource indicated by the SRI information sent by the network device by looking up a table.
  • the corresponding relationship between the indication value of the SRI information and the SRS resource index value can be shown in Table 2-1 to Table 2-8.
  • the terminal device can search for the SRS resource corresponding to the indication value of the SRI information sent by the network device from Table 2-1 to Table 2-8 based on the values of N and L max , and obtain the target SRS resource.
  • the SRI information may include 2 valid indication values and 2 reservation indication values.
  • the valid indication values are 0 and 1 respectively
  • the reserved indication values are 2 and 3.
  • the SRI information may indicate the SRS resource with the index value 0.
  • the SRI information may indicate the SRS resource with the index value 1.
  • the SRI information may include 3 valid indication values and 1 reservation indication value. Among them, the valid indication values are 0, 1, and 2 respectively, and the reserved indication value is 3.
  • the SRI information may indicate an SRS resource with an index value of 0.
  • the SRI information may indicate an SRS resource with an index value of 1.
  • the indication value of the SRI information is 1, When the indication value is 2, the SRI information may indicate the SRS resource with an index value of 2.
  • the SRI information may include 8 valid indication values.
  • the SRI indication value is 0-7, indicating the SRS resources with index values 0-7 respectively.
  • the SRI information may include 3 valid indication values and 1 reservation indication value.
  • the SRI information may indicate the SRS resource with the index value 0.
  • the SRI information may indicate the SRS resource with the index value 1.
  • the SRI information indicates the SRS resource with the index value 1
  • the SRI information can indicate the two SRS resources with the lowest index values, that is, the SRS resources with index values 0 and 1.
  • the SRI information may include 4 valid indication values and 4 reservation indication values. Among them, the effective indication values are 0-3, and the reserved indication values are 4-7.
  • the SRI information When the indication value of the SRI information is 0, the SRI information may indicate the SRS resource with the index value 0.
  • the SRI information When the effective indication value of the SRI information is 1, the SRI information may indicate the SRS resource with the index value 1.
  • the SRI information When the effective indication value is 2, the SRI information can indicate the SRS resource with an index value of 2.
  • the effective indication value of the SRI information is 3, the SRI information may indicate the two SRS resources with the lowest index values, that is, the SRS resources with index values 0 and 1.
  • the SRI information may include 9 valid indication values and 7 reserved indication values. Among them, the valid indication values are 0-8, and the reserved indication values are 9-15. When the indication value of the SRI information is 0-7, SRS resources with index values 0-7 are respectively indicated. When the indication value of the SRI information is 8, the SRI information may indicate the two SRS resources with the lowest index values, that is, the SRS resources with index values 0 and 1.
  • the SRI information may include 3 valid indication values and 1 reservation indication value.
  • the SRI information may indicate an SRS resource with an index value of 0.
  • the SRI information may indicate an SRS resource with an index value of 1.
  • the indication value of the SRI information is 1,
  • the indication value is 2, the SRI information may indicate the two SRS resources with the lowest index value (ie, the SRS resources with an index value of 0 and an index value of 1).
  • the SRI information may include 5 valid indication values and 1 reservation indication value. Among them, the effective indication values are 0-4, and the reserved indication values are 5-7.
  • the indication value of the SRI information is 0-2, the SRS resources with index values 0-2 can be indicated respectively.
  • the indication value of the SRI information is 3, the two SRS resources with the lowest index values (that is, the index values 0 and 1 are indicated) SRS resources), when the indication value of the SRI information is 4, it indicates the three SRS resources with the lowest index values (that is, the three SRS resources with index values 0-2).
  • the SRI information may include 10 valid indication values.
  • the SRI indication value is 0-7, indicating the SRS resources with index values 0-7 respectively.
  • the indication value of the SRI information is 8, it indicates the two SRS resources with the lowest index values (that is, the SRS resources with index values 0 and 1).
  • the indication value of the SRI information is 9, it indicates the three SRS resources with the lowest index values (that is, the SRS resources with index values 0 and 1). That is, 3 SRS resources with index values 0-2).
  • the SRI information may include 11 valid indication values, that is, indication values 0-10.
  • the SRI indication value is 0-7, indicating the SRS resources with index values 0-7 respectively.
  • the indication value of the SRI information is 8
  • it indicates the two SRS resources with the lowest index values (that is, the SRS resources with index values 0 and 1).
  • the indication value of the SRI information is 9, it indicates the three SRS resources with the lowest index values (that is, the SRS resources with index values 0 and 1). That is, the three SRS resource combinations with index values 0-2).
  • the indication value of the SRI information is 10 indicates the four SRS resource combinations with the lowest index values (that is, the four SRS resource combinations with index values 0-3).
  • the SRI information may include 12 valid indication values, that is, indication values 0-11.
  • the SRI indication value is 0-7, indicating the SRS resources with index values 0-7 respectively; when the indication value of the SRI information is 8, it indicates the two SRS resources with the lowest index values (that is, the SRS resources with index values 0 and 1). ); when the indication value of the SRI information is 9, it indicates the three SRS resources with the lowest index value (that is, the three SRS resources with index values 0-2); when the indication value of the SRI information is 10, it indicates the 4 SRS resources with the lowest index value.
  • SRS resources i.e., 4 SRS resources with index values 0-3); when the indication value of the SRI information is 11, indicate the 5 SRS resources with the lowest index value (i.e., 5 SRS resources with index values 0-4) .
  • the SRI information may include 13 valid indication values, that is, indication values 0-12.
  • each indication value indicates the SRS resource with index value 0-7 respectively.
  • the indication value of the SRI information is 8, it indicates the two SRS resources with the lowest index values (that is, the SRS resources with index values 0 and 1); when the indication value of the SRI information is 9, it indicates the three SRS resources with the lowest index values (that is, the SRS resources with the index values 0 and 1).
  • the SRI information may include 14 valid indication values, that is, indication values 0-13.
  • each indication value indicates the SRS resource with index value 0-7 respectively.
  • the indication value of the SRI information is 8
  • it indicates the two SRS resources with the lowest index values that is, the SRS resources with index values 0 and 1
  • the indication value of the SRI information is 9, it indicates the three SRS resources with the lowest index values (that is, the SRS resources with the index values 0 and 1).
  • the SRI information may include 15 valid indication values, that is, indication values 0-14.
  • each indication value indicates the SRS resource with index value 0-7 respectively.
  • the indication value of the SRI information is 8
  • it indicates the two SRS resources with the lowest index values that is, the SRS resources with index values 0 and 1
  • the indication value of the SRI information is 9, it indicates the three SRS resources with the lowest index values (that is, the SRS resources with the index values 0 and 1).
  • Tables 2-1 to 2-8 may be stored in the terminal device in advance, or may be configured by the network device for the terminal device. The embodiments of this application do not limit this.
  • whether the SRI information is used to indicate any SRS resource in the SRS resource set or the m SRS resources with the lowest index value in the SRS resource set can be determined based on L max .
  • the SRI information is used to indicate any SRS resource in the SRS resource set; when the value of L max is greater than 1, the SRI information is used to indicate the index in the SRS resource set.
  • the SRI information may include N valid indication values, and the N valid indication values may correspond one-to-one to N SRS resources in the SRS resource set. That is to say, different valid indication values among the N valid indication values correspond to different SRS resources.
  • the first valid indication value of the SRI information may indicate the first SRS resource in the SRS resource set
  • the second valid indication value in the SRI information may indicate the SRS resource in the SRS resource set.
  • the second SRS resource may indicate the Nth valid indication value in the SRI information.
  • the SRI information field includes a total of 2 k indication values.
  • the 2 k indication values can be divided into valid indication values and reserved indication values.
  • the valid indication value can indicate one SRS resource or multiple SRS resources, while the reservation indication value may not indicate any SRS resource.
  • P valid indication values
  • different valid indication values correspond to different values of m; the value of m starts from 1 and ends at P.
  • the SRI information can include min (N, L max ) valid indication values, and the values of m corresponding to different indication values are ⁇ 1, 2, 3,..., min (N,L max ) ⁇ .
  • the first valid indication value of the SRI information is used to indicate the SRS resource with the lowest index in the SRS resource set
  • the second valid indication value is used to indicate the SRS resource in the SRS resource set.
  • the two SRS resources with the lowest index, and so on, the P-th indication value is used to indicate the P SRS resources with the lowest index in the resource set.
  • the 2 k indication values of the SRI information are all valid indication values, excluding the reserved indication value.
  • the SRI information may also include (2 k -P) reservation indication values, and the (2 k -P) reservation indication values do not indicate any SRS resources.
  • the terminal device may also determine the target SRS resource indicated by the SRI information sent by the network device by looking up a table.
  • the corresponding relationship between the indication value of the SRI information and the SRS resource index value can be shown in Table 3-1 to Table 3-8.
  • the terminal device can search for the SRS resource indicated by the SRI information sent by the network device from Table 3-1 to Table 3-8 based on the values of N and L max to obtain the target SRS resource.
  • the SRI information includes 2 valid indicator values.
  • the first indicator value is used to indicate the SRS with the lowest index value. resource (that is, the SRS resource with index value 0), and the second indication value is used to indicate the two SRS resources with the lowest index value (that is, the two SRS resources with index values 0 and 1).
  • the SRI information includes 3 valid indication values.
  • the first one indicates the SRS resource with the lowest index value (i.e., the SRS resource with the index value 0)
  • the second indicator value can indicate the two SRS resources with the lowest index value in the SRS resource set (i.e., the SRS resource with the index value 0).
  • the third indication value may indicate the three SRS resources with the lowest index values in the SRS resource set (that is, the three SRS resources with index values 0-2).
  • the SRI information includes two valid indication values, indicating one SRS resource with the lowest index value and the two SRS resources with the lowest index value respectively.
  • Tables 3-1 to 3-8 may be stored in the terminal device in advance, or may be configured by the network device for the terminal device.
  • the embodiments of this application do not limit this.
  • Method 1 provided by the embodiment of the present application can be used for a terminal device that supports non-codebook-based 8-antenna port transmission, that is, the terminal device reports to the network device that it has non-codebook-based 8-antenna port transmission through the second indication information. Port transmission capabilities.
  • the terminal device does not support non-codebook-based 8-antenna port transmission (that is, it does not report this capability)
  • the table in the existing protocol will still be used to determine the target SRS resource indicated by the SRI information, and the above table will not be used.
  • Method 1 provided by the embodiments of this application can also be used in a method in which the terminal device supports non-codebook-based 8-antenna port transmission and the network device configures the terminal device to use 8-antenna port transmission. If the above conditions are not met, the terminal device still uses the table in the existing protocol to determine the target SRS resource indicated by the SRI information, and does not use the above table.
  • the above SRI information may be carried through DCI.
  • the DCI may not include a link indicating the association between the phase tracking reference signal (Phase Tracking Reference Signal, PTRS) port and the demodulation reference signal (Demodulation Reference Signal, DMRS) port. Indicates the domain.
  • Phase Tracking Reference Signal Phase Tracking Reference Signal
  • DMRS Demodulation Reference Signal
  • terminal equipment can use precoding vectors with larger channel gains for SRS resources with lower index values in the SRS resource set. Therefore, the lower the index of the SRS resource, the stronger the received power on the SRS resource. . That is to say, the network device can know that the SRS resource corresponding to the current strongest transport layer is the SRS resource with the smallest index value in the SRS resource set. Therefore, the network device may not include the indicated PTRS port and DMRS in the DCI sent to the terminal device. Indicates the port association relationship. Among them, the network equipment and the terminal equipment can agree that the PTRS port is fixedly associated with the first DMRS port, thereby saving DCI signaling overhead.
  • the network device can indicate one or more SRS resources with the smallest index value in the SRS resource set through SRI information. It can be understood that since the terminal equipment can use the precoding vector with a larger channel gain for the SRS resource with a lower index value in the SRS resource set, the lower the index of the SRS resource, the higher the received power on the SRS resource. Strong, at this time, the network device can only indicate several SRS resources with the lowest index values as target SRS resources. While ensuring system performance, it saves the signaling overhead of DCI carrying SRI information and achieves the use of less DCI signaling.
  • the overhead can support non-codebook transmission of uplink 8 antenna ports.
  • This embodiment also inherits and extends the existing non-codebook transmission for antenna selection, that is, selecting any SRS resource (antenna) from up to 8 SRS resources (antennas) for uplink transmission, thus being compatible with existing All features of non-codebook transmission.
  • the correspondence between the indication value of the SRI information and the SRS resource index value can be distinguished according to the size of N.
  • the SRI information when the value of N is less than or equal to 4, can be used to indicate any SRS resource combination that is less than or equal to P SRS resources in the SRS resource set; when the value of N is greater than 4, the SRI information can be used to indicate any SRS resource combination that is less than or equal to P SRS resources in the SRS resource set.
  • the information is used to indicate any SRS resource in the SRS resource set, or the m SRS resources with the lowest index value in the SRS resource set, where m is an integer greater than 0 and less than or equal to P;
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information can indicate any 1 SRS resource in the SRS resource set, or any 2 SRS resources, and so on to any P SRS resources. That is, a combination of any SRS resources whose number is less than or equal to P.
  • the SRI information may indicate the SRS resource with an index value of 0, the SRS resource with an index value of 1, and the SRS resource with an index value of 2 in the SRS resource set.
  • the SRI information may indicate any SRS resource in the SRS resource set, or the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI indication information indicates any SRS resource in the SRS resource set, or the m SRS resources with the lowest index value in the SRS resource set can be used in the following manner 2.1 or Method 2.2 is implemented.
  • the SRI information can include N+K valid indication values; among them, the first N valid indication values among the N+K valid indication values can be used for Indicates any SRS resource in the SRS resource set; and the other K valid indication values among the N+K valid indication values can be used to indicate the m SRS resources with the lowest index value in the SRS resource set, and K is an integer greater than or equal to zero. .
  • the first N valid indication values among the N+K valid indication values may correspond one-to-one to the N SRS resources in the SRS resource set. That is to say, different valid indication values among the N valid indication values correspond to different SRS resources.
  • the network device can use a certain valid indication value among the above N valid values as SRI information to indicate that the SRS resource corresponding to the valid indication value is the target SRS resource.
  • the number of bits occupied by the information field of the SRI information may be k, and k is an integer greater than or equal to 1. Therefore, the SRI information field includes a total of 2 k indication values. It should be understood that the above-mentioned N valid indication values may be other than the first N indication values among the 2 k indication values, or may be the last N indication values among the 2 k indication values. This is not done in the embodiment of the present application. limit.
  • K P-1
  • P min(N, L max ).
  • N is an integer greater than 1.
  • the SRI information may also include additional K valid indication values.
  • the K valid indication values may indicate multiple SRS resources. Specifically, the K valid indication values may indicate the m SRS resources with the lowest index value in the SRS resource set.
  • different valid indication values correspond to different values of m, where the value of m starts from 2 and ends at P. That is to say, among the other K valid values mentioned above, the values of m corresponding to different valid indication values are ⁇ 2, 3,...,min(N,L max ) ⁇ respectively.
  • the other K valid indication values mentioned in the embodiment of this application may be the K valid indication values starting from N+1. It may also be K consecutive valid indication values starting from other positions among the 2 k indication values, and the embodiment of the present application does not limit this.
  • the N+1th valid indication value may indicate the 2 SRS resources with the smallest index value in the SRS resource set
  • the N+2nd priority indication value may indicate the 3 SRS resources with the smallest index value in the SRS resource set.
  • the N+Kth valid indication value can indicate the min(N,L max ) SRS resources with the lowest index value in the SRS resource set.
  • the 2 k indication values of the SRI information are all valid indication values, excluding the reserved indication value. If 2 k >N+K, the SRI information may also include (2 k -NK) reservation indication values, and the (2 k -NK) reservation indication values may not indicate any SRS resources.
  • the terminal device may determine the target SRS resource indicated by the SRI information sent by the network device by looking up a table.
  • the corresponding relationship between the indication value of the SRI information and the SRS resource index value can be as shown in Table 4-1 to Table 4-8.
  • the terminal device can search the SRS resources indicated by the SRI information sent by the network device from Table 4-1 to Table 4-8 based on the values of N and L max to obtain the target SRS resources.
  • Tables 4-1 to 4-8 may be stored in the terminal device in advance, or may be configured by the network device for the terminal device.
  • the embodiments of this application do not limit this.
  • the SRI information is used to indicate any SRS resource in the SRS resource set; when the value of N is greater than 4 and the value of L max is greater than 1 In the case of , the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI information may include N valid indication values, and the N valid indication values may be the same as the N SRS resources in the SRS resource set.
  • N valid indication values may be the same as the N SRS resources in the SRS resource set.
  • different valid indication values among the N valid indication values correspond to different SRS resources.
  • the network device can use a certain valid indication value among the above N valid values as SRI information to indicate that the SRS resource corresponding to the valid indication value is the target SRS resource.
  • the first valid indication value of the SRI information may indicate the first SRS resource in the SRS resource set
  • the second valid indication value in the SRI information may indicate The second SRS resource among SRS resources.
  • the Nth valid indication value in the SRI information may indicate the Nth SRS resource in the SRS resources.
  • the SRI information field includes a total of 2 k indication values.
  • the 2 k indication values can be divided into valid indication values and reserved indication values.
  • the valid indication value can indicate one SRS resource or multiple SRS resources, while the reservation indication value may not indicate any SRS resource.
  • the 2 k indication values of the SRI information are all valid indication values, excluding the reserved indication value. If 2 k >N, the SRI information may also include (2 k -N) reservation indication values, and the (2 k -N) reservation indication values do not indicate any SRS resources.
  • P valid indication values
  • different valid indication values correspond to different values of m; the value of m starts from 1 and ends at P. That is to say, when L max >1, the SRI information can include min (N, L max ) valid indication values, and the values of m corresponding to different indication values are ⁇ 1, 2, 3,..., min (N,L max ) ⁇ .
  • the 2 k indication values of the SRI information are all valid indication values, excluding the reserved indication value.
  • the SRI information may also include (2 k -P) reservation indication values, and the (2 k -P) reservation indication values do not indicate any SRS resources.
  • the terminal device may also determine the target SRS resource indicated by the SRI information sent by the network device by looking up a table.
  • the corresponding relationship between the indication value of the SRI information and the SRS resource index value can be shown in Table 5-1 to Table 5-8.
  • the terminal device can search for the SRS resource indicated by the SRI information sent by the network device from Table 5-1 to Table 5-8 based on the values of N and L max to obtain the target SRS resource.
  • Tables 5-1 to 5-8 may be stored in the terminal device in advance, or may be configured by the network device for the terminal device. The embodiments of this application do not limit this.
  • Method 2 provided by the embodiment of this application can be used for a terminal device that supports non-codebook-based 8-antenna port transmission, that is, the terminal device reports to the network device that it has non-codebook-based 8-antenna port transmission through the second indication information. Port transmission capabilities.
  • the terminal device does not support non-codebook-based 8-antenna port transmission (that is, the capability is not reported)
  • the table in the existing protocol will still be used to determine the target SRS resource indicated by the SRI information, and the above table will not be used.
  • Method 2 provided by the embodiment of this application can also be used in the case where the number of SRS resources in the SRS resource set is greater than 4 (that is, N>4), that is, the network device configures more than 4 SRS resources for non-code the circumstances of this transmission. If N configured by the network device is not greater than 4, the table in the existing protocol can still be used to indicate the target SRS resource.
  • the above SRI information may be carried through DCI.
  • the DCI may not include the port used to indicate the phase tracking reference signal (Phase Tracking Reference Signal, PTRS) and the demodulation reference signal (Demodulation Reference Signal, DMRS). ) indicates the port association relationship.
  • Phase Tracking Reference Signal Phase Tracking Reference Signal
  • DMRS Demodulation Reference Signal
  • terminal equipment can use precoding vectors with larger channel gains for SRS resources with lower index values in the SRS resource set. Therefore, the lower the index of the SRS resource, the stronger the received power on the SRS resource. . That is to say, the network device can know that the SRS resource corresponding to the current strongest transport layer is the SRS resource with the smallest index value in the SRS resource set. Therefore, the network device may not include the indicated PTRS port and DMRS in the DCI sent to the terminal device. Indicates the port association relationship. Among them, the network equipment and the terminal equipment can agree that the PTRS port is fixedly associated with the first DMRS port, thereby saving DCI signaling overhead.
  • the DCI still needs an indication field for indicating the association relationship between the PTRS port and the DMRS port.
  • the terminal equipment can use the precoding vector with a larger channel gain for the SRS resource with a lower index, the lower the index of the SRS resource, the stronger the received power.
  • the network device can only indicate several SRS resources with the lowest index as target SRS resources to save the signaling overhead of SRI information. .
  • the indication method of related technologies can be reused, maintaining backward compatibility while supporting 8 ports.
  • the embodiment of the present application also inherits and extends the existing non-codebook transmission for antenna selection, that is, selecting any one SRS resource (antenna) from up to 8 SRS resources (antennas) for uplink transmission, so that Compatible with all functions of existing non-codebook transmissions.
  • the terminal device can determine the specific corresponding relationship between the SRI information and the SRS resource under the configuration of the network device, and thereby determine the corresponding relationship indicated by the SRI information sent by the network device based on the corresponding relationship.
  • the terminal device may determine the corresponding relationship between the SRI information and the SRS resource according to the first indication information configured by the network device.
  • the first indication information is used to determine the correspondence between the indication value of the SRI information and the SRS resource index value in the SRS resource set.
  • step 320 the terminal device determines M target SRS resources from the SRS resource set based on the received SRI information, which can be implemented in the following manner:
  • the terminal device determines M target SRS resources from the SRS resource set based on the first indication information and the SRI information.
  • the first indication information may be carried through high-layer signaling or through DCI.
  • the DCI carrying the first indication information may be the same DCI carrying the above SRI information. That is to say, the first indication information and the SRI information in the embodiment of the present application can be carried through the same DCI.
  • the SRI information is used to indicate any SRS resource that is less than or equal to P SRS resources in the SRS resource set. combination;
  • the SRI information is used to indicate any SRS resource in the SRS resource set, or m with the lowest index value in the SRS resource set.
  • SRS resources, m is an integer greater than 0 and less than or equal to P;
  • P is the minimum value between N and L max
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the first indication information may include two different values: a first value and a second value, respectively used to indicate the corresponding relationship between different SRI information and SRS resources.
  • the first value is 0 and the second value is 1, or the first value is 1 and the second value is 0.
  • the fact that the first indication information is not configured may be understood to mean that the network device does not send the first indication information, or the terminal device does not receive the first indication information.
  • the first indication information configuration can be understood as the network device sending the first indication information, or the terminal device receiving the first indication information.
  • the SRI information when the value of the first indication information is the first value, or the first indication information is not configured, the SRI information is used to indicate any SRS resource that is less than or equal to P SRS resources in the SRS resource set. combination. That is to say, the SRI information can indicate any 1 SRS resource in the SRS resource set, or any 2 SRS resources, and so on to any P SRS resources, that is, any number of SRS resources less than or equal to P. combination.
  • the terminal device determines that the first indication information is the first value or the first indication information is not configured, it can be determined that the SRI information indicates any SRS resource combination that is less than or equal to P SRS resources in the SRS resource set. . Therefore, the terminal device can determine the index value of the SRS resource corresponding to the current SRI information according to the actual indication value of the SRI information sent by the network device, and obtain the target SRS resource.
  • the SRI information indicates any SRS resource in the SRS resource set, or the index value in the SRS resource set.
  • the lowest m SRS resources can be achieved through the following method 3.1 or method 3.2.
  • the SRI information may include N+K valid indication values; where the first of the N+K valid indication values N valid indication values are used to indicate any SRS resource in the SRS resource set; the other K valid indication values among the N+K valid indication values are used to indicate the m SRSs with the lowest index values in the SRS resource set. resource.
  • the first N valid indication values among the N+K valid indication values may be the same as the N valid indication values in the SRS resource set.
  • SRS resources There is a one-to-one correspondence between SRS resources. That is to say, different valid indication values among the N valid indication values correspond to different SRS resources.
  • the number of bits occupied by the information field of the SRI information may be k, and k is an integer greater than or equal to 1. Therefore, the SRI information field includes a total of 2 k indication values.
  • N valid indication values may also be the last N indication values among the 2 k indication values. This is not the case in the embodiment of the present application. Make restrictions.
  • K P-1
  • P min(N, L max ).
  • N is an integer greater than 1.
  • the N valid indication values included in the SRI information may correspond one-to-one to the N SRS resources in the SRS resource set. In this way, the network device can indicate any SRS resource in the SRS resource set through SRI information.
  • the SRI information may also include another K valid indication values.
  • the K valid indication values may indicate multiple SRS resources. Specifically, the K valid indication values may indicate the m SRS resources with the lowest index value in the SRS resource set.
  • different valid indication values correspond to different values of m, where the value of m starts from 2 and ends at P. That is to say, among the other K valid values mentioned above, the values of m corresponding to different valid indication values are ⁇ 2, 3,...,min(N,L max ) ⁇ respectively.
  • the other K valid indication values mentioned in the embodiment of this application may be the K consecutive valid indication values starting from the N+1 indication values. It may also be K consecutive valid indication values starting from other positions among the 2 k indication values, and the embodiment of the present application does not limit this.
  • the N+1th valid indication value may indicate the 2 SRS resources with the smallest index value in the SRS resource set
  • the N+2nd priority indication value may indicate the 3 SRS resources with the smallest index value in the SRS resource set.
  • the N+Kth valid indication value can indicate the min(N,L max ) SRS resources with the lowest index value in the SRS resource set.
  • the 2 k indication values of the SRI information are all valid indication values, excluding the reserved indication value. If 2 k >N+K, the SRI information may also include (2 k -NK) reservation indication values, and the (2 k -NK) reservation indication values may not indicate any SRS resources.
  • the terminal device when the terminal device determines that the first indication information is the second value or the first indication information is configured, it can determine that the SRI information indicates any SRS resource in the SRS resource set, or the one with the smallest index value in the SRS resource set. m SRS resources. Therefore, the terminal device can determine the index value of the SRS resource corresponding to the current SRI information according to the indication value of the SRI information sent by the network device, and obtain the target SRS resource.
  • the terminal device can obtain the value by looking up tables 2-1 to 2-8, or 4-1 to 4-8. M target SRS resources indicated by SRI information.
  • the value of the first indication information is the second value or the first indication information configuration, it can be determined according to L max whether the SRI indication information indicates any SRS resource in the SRS resource set or indicates the SRS The m SRS resources with the lowest index value in the resource collection.
  • the SRI information is used to indicate any SRS resource in the resource set; if L max If the value of max is greater than 1, the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI information may include N valid indication values, and the N valid indication values may be One-to-one correspondence with N SRS resources in the SRS resource set. That is to say, different valid indication values among the N valid indication values correspond to different SRS resources.
  • P min (N, L max ) .
  • different valid indication values correspond to different values of m; the value of m starts from 1 and ends at P.
  • the SRI information may include min (N, L max ) valid indication values, different The values of m corresponding to the indicated values are ⁇ 1,2,3,...,min(N,L max ) ⁇ .
  • the terminal device when the terminal device determines that the first indication information is the second value or the first indication information is configured, it can determine based on the value of L max that the SRI information indicates any SRS resource in the SRS resource set, or the SRS The m SRS resources with the smallest index value in the resource collection. In this way, the terminal device can determine the index value of the SRS resource corresponding to the current SRI information according to the indication value of the SRI information sent by the network device, and obtain the target SRS resource.
  • the terminal device can obtain the value by looking up tables 3-1 to 3-8, or 5-1 to 5-8.
  • Method 3 provided by the embodiment of this application can be used for terminal equipment that supports non-codebook-based 8-antenna port transmission, that is, the terminal equipment reports to the network device that it has non-codebook-based 8-antenna port transmission through the second indication information. Port transmission capabilities.
  • the terminal device does not support non-codebook-based 8-antenna port transmission (that is, the capability is not reported)
  • the table in the existing protocol will still be used to determine the target SRS resource indicated by the SRI information, and the above table will not be used.
  • the above SRI information may be carried through DCI.
  • the DCI may not include an indication field for indicating the association relationship between the PTRS port and the DMRS port.
  • terminal equipment can use precoding vectors with larger channel gains for SRS resources with lower index values in the SRS resource set. Therefore, the lower the index of the SRS resource, the stronger the received power on the SRS resource. . That is to say, the network device can know that the SRS resource corresponding to the current strongest transport layer is the SRS resource with the smallest index value in the SRS resource set. Therefore, the network device may not include the indicated PTRS port and DMRS in the DCI sent to the terminal device. Indicates the port association relationship. Among them, the network equipment and the terminal equipment can agree that the PTRS port is fixedly associated with the first DMRS port, thereby saving DCI signaling overhead.
  • the DCI carrying the SRI information still needs an indication field for indicating the association relationship between the PTRS port and the DMRS port.
  • the correspondence between the indicated value of the SRI information and the indicated SRS resource index value can be configured by the network.
  • the network device can configure the terminal device to adopt the corresponding relationship in the existing technology, or configure the terminal device to adopt the enhanced corresponding relationship, thereby ensuring the flexibility of SRI information indication.
  • the network device can instruct the terminal device to adopt the corresponding relationship in the relevant technology; when the network device may subsequently schedule 8-antenna port transmission, it can Instructs the terminal device to adopt the corresponding relationship in Mode 1 or Mode 2, which supports 8-antenna port transmission while ensuring backward compatibility.
  • the network device may indicate one or more SRS resources in the SRS resource set to the terminal device through a bitmap.
  • the data type of SRI information is bitmap type.
  • the number of bits occupied by the SRI information is N, where the N bits correspond one-to-one to the N SRS resources included in the SRS resource set.
  • a bit with a value of 1 in the SRI information may be used to indicate that the SRS resource corresponding to the bit is the target SRS resource.
  • the n-th bit among the N bits included in the SRI information corresponds to the n-th SRS resource among the N SRS resources (that is, the SRS resource index is n-1).
  • this bit indicates the n-th SRS.
  • the resource is included in the M target SRS resources.
  • this bit is 0, it means that the n-th SRS resource is not included in the M target SRS resources.
  • a bit with a value of 0 in the SRI information may also be used to indicate that the SRS resource corresponding to the bit is the target SRS resource.
  • the n-th bit among the N bits included in the SRI information corresponds to the n-th SRS resource among the N SRS resources (that is, the SRS resource index is n-1).
  • this bit When this bit is 0, it indicates the n-th SRS.
  • the resource is included in the M target SRS resources.
  • this bit When this bit is 1, it indicates that the n-th SRS resource is not included in the M target SRS resources.
  • the value of N is greater than 4. That is to say, the network device configures more than 4 SRS resources for non-codebook transmission. If N configured by the network device is not greater than 4, the corresponding relationship between the indication value of the SRI information and the SRS resource index value in the related technology is still used to indicate the target SRS resource.
  • any SRS resource in the SRS resource set or any number of SRS resource combinations can be indicated through bitmap, thereby improving the flexibility of target SRS resource indication and being applicable to the transmission of any antenna port. , strong flexibility.
  • the SRI information can not only support 8-antenna port transmission based on non-codebook, but also support the selection of any resource from the set for uplink to inherit and expand. It has the function of transmitting antenna selection, and compared with the existing SRI information domain, the SRI information in the embodiment of the present application does not need to add additional control signaling overhead, thus supporting the 8-antenna port transmission function with minimal signaling overhead. .
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in this application.
  • the implementation of the examples does not constitute any limitations.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, where “downlink” is used to indicate that the transmission direction of signals or data is from the station.
  • uplink is used to indicate that the transmission direction of the signal or data is the second direction from the user equipment of the cell to the site
  • sidelink is used to indicate that the transmission direction of the signal or data is A third direction sent from User Device 1 to User Device 2.
  • downlink signal indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship describing associated objects, indicating that three relationships can exist. Specifically, A and/or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the related objects are an "or" relationship.
  • FIG. 5 is a schematic structural diagram of a transmission parameter determination device 500 provided by an embodiment of the present application, which is applied to terminal equipment. As shown in Figure 5, the transmission device determination device 500 includes:
  • the first determining unit 501 is configured to determine M target SRS resources from the SRS resource set based on the received SRI information; the SRS resource set is an SRS resource set configured by the network device for non-codebook transmission; so The SRS resource set includes N SRS resources; where N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N; the SRI information supports indication of 8 SRS resources;
  • the second determining unit 502 is configured to determine the transmission parameters of the PUSCH based on the M target SRS resources.
  • the SRI information is used to indicate any SRS resource in the SRS resource set; or, the SRI information is used to indicate m SRS resources with the lowest index value in the SRS resource set, where m is An integer greater than 0 and less than or equal to P, where P is the minimum value of N and L max , and L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information includes N+K valid indication values; wherein the first N valid indication values among the N+K valid indication values are used to indicate any SRS in the SRS resource set. resource;
  • the other K valid indication values among the N+K valid indication values are used to indicate the m SRS resources with the lowest index value in the SRS resource set, and K is an integer greater than or equal to zero.
  • the SRI information is used to indicate any SRS resource in the SRS resource set;
  • the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI information is used to indicate any SRS resource combination that is less than or equal to P SRS resources in the SRS resource set;
  • the SRI information is used to indicate any SRS resource in the SRS resource set, or the m SRS resources with the lowest index value in the SRS resource set, where m is greater than 0. and an integer less than or equal to P;
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information includes N+K valid indication values
  • the first N valid indication values among the N+K valid indication values are used to indicate any SRS resource in the SRS resource set;
  • the other K valid indication values among the N+K valid indication values are used to indicate the m SRS resources with the lowest index value in the SRS resource set, and K is an integer greater than or equal to zero.
  • the SRI information is used to indicate any SRS resource in the SRS resource set;
  • the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the first determining unit 501 is further configured to determine the M target SRS resources from the SRS resource set based on the first indication information and the SRI information; wherein the first indication information is A correspondence relationship between an indication value indicating the SRI information and an SRS resource index value in the SRS resource set.
  • the SRI information is used to indicate a small number of small numbers in the SRS resource set. Any combination of SRS resources equal to or equal to P SRS resources;
  • the SRI information is used to indicate any SRS resource in the SRS resource set, Or, the m SRS resources with the lowest index value in the SRS resource set, m is an integer greater than 0 and less than or equal to P;
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information when the value of the first indication information is a second value, or when the terminal device receives the first indication information, the SRI information includes N+K valid indication values;
  • the first N valid indication values among the N+K valid indication values are used to indicate any SRS resource in the SRS resource set;
  • the other K valid indication values among the N+K valid indication values are used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI information is used for Indicate any SRS resource in the resource set; if the value of L max is greater than 1, the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the transmission parameter determining device 500 further includes a receiving unit;
  • the receiving unit is configured to receive the first indication information sent by the network device; wherein the first indication information is carried through high-level signaling, or the first indication information and the SRI information are carried through the same downlink control information. DCI carry.
  • K P-1
  • P is the minimum value of N and L max ,
  • the SRI information also includes (2 k -NK) reservation indication values, where k is the number of bits occupied by the SRI information.
  • the SRI information when the value of L max is greater than 1, the SRI information includes P valid indication values, and different valid indication values correspond to different values of m; the value of m starts from 1 and ends at P; P is the minimum value between N and L max .
  • the SRI information also includes (2 k -P) reservation indication values, where k is the number of bits occupied by the SRI information.
  • the number of bits occupied by the SRI information is N, where the N bits correspond one-to-one to the N SRS resources included in the SRS resource set, and the bits with a value of 1 in the SRI information are represented by The SRS resource corresponding to the indication bit is the target SRS resource.
  • the value of N is greater than 4.
  • the transmission parameter determining device 500 further includes a sending unit configured to send second indication information, the second indication information being used to indicate that the terminal device supports non-codebook-based 8-antenna port transmission. ability.
  • the second determining unit 502 is further configured to determine an antenna port for PUSCH transmission based on the M target SRS resources; the antenna port is the same as the SRS port of the M target SRS resources. Antenna port.
  • the SRI information is carried through downlink control information DCI.
  • the DCI does not include an indication field used to indicate the association relationship between the PTRS port and the DMRS port.
  • FIG. 6 is a schematic structural diagram of a transmission parameter determination device 600 provided by an embodiment of the present application, which is applied to network equipment. As shown in Figure 6, the transmission device determination device 600 includes:
  • the sending unit 601 is configured to send sounding reference signal indication SRI information to the terminal device; the SRI indication information is used to determine M target SRS resources from the SRS resource set; the SRS resource set is configured by the network device for non- A set of SRS resources for codebook transmission; the SRS resource set includes N SRS resources; where N is an integer greater than 1; M is an integer greater than or equal to 1 and less than or equal to N; the SRI information supports 8 SRS Instructions for resources.
  • the SRI information is used to indicate any SRS resource in the SRS resource set; or, the SRI information is used to indicate m SRS resources with the lowest index value in the SRS resource set; where m is An integer greater than 0 and less than or equal to P, where P is the minimum value of N and L max , and L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information includes N+K valid indication values
  • the first N valid indication values among the N+K valid indication values are used to indicate any SRS resource in the SRS resource set;
  • the other K valid indication values among the N+K valid indication values are used to indicate the m SRS resources with the lowest index value in the SRS resource set, and K is an integer greater than or equal to zero.
  • the SRI information is used to indicate any SRS resource in the SRS resource set;
  • the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI information is used to indicate any SRS resource combination that is less than or equal to P SRS resources in the SRS resource set;
  • the SRI information is used to indicate any SRS resource in the SRS resource set, or the m SRS resources with the lowest index value in the SRS resource set, where m is greater than 0. and an integer less than or equal to P;
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information includes N+K valid indication values
  • the first N valid indication values among the N+K valid indication values are used to indicate any SRS resource in the SRS resource set;
  • the other K valid indication values among the N+K valid indication values are used to indicate the m SRS resources with the lowest index value in the SRS resource set, and K is an integer greater than or equal to zero.
  • the SRI information is used to indicate any SRS resource in the resource set
  • the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the sending unit 601 is further configured to send first indication information to the terminal device, where the first indication information is used to indicate that the indication value of the SRI information is the same as the SRS resource in the SRS resource set. Correspondence between index values.
  • the SRI information is used to indicate that the SRS resource set is less than Or any SRS resource combination equal to P SRS resources; P is the minimum value between N and L max ;
  • the SRI information is used to indicate any SRS resource in the SRS resource set, or , the m SRS resources with the lowest index value in the SRS resource set, m is an integer greater than 0 and less than or equal to P;
  • L max is the maximum number of transmission layers supported by the terminal device, or the maximum number of transmission layers configured by the network device.
  • the SRI information when the value of the first indication information is a second value, or when the network device sends the first indication information, the SRI information includes N+K valid indication values;
  • the first N valid indication values among the N+K valid indication values are used to indicate any SRS resource in the SRS resource set; the other K valid indication values among the N+K valid indication values, Used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the SRI information is used to indicate Any SRS resource in the resource set; if the value of L max is greater than 1, the SRI information is used to indicate the m SRS resources with the lowest index value in the SRS resource set.
  • the first indication information is carried through high-layer signaling, or the first indication information and the SRI information are carried through the same downlink control information DCI.
  • the SRI information also includes (2 k -NK) reservation indication values, where k is the number of bits occupied by the SRI information.
  • the SRI information when the value of L max is greater than 1, the SRI information includes P indication values, and P is the minimum value of N and L max ; wherein, different indication values correspond to different values of m, The value of m starts from 1 and ends at P.
  • the SRI information also includes (2 k -P) reservation indication values, where k is the number of bits occupied by the SRI information.
  • the number of bits occupied by the SRI information is N, where the N bits correspond one-to-one to the N SRS resources included in the SRS resource set, and the bits with a value of 1 in the SRI information are represented by The SRS resource corresponding to the indication bit is the target SRS resource.
  • the value of N is greater than 4.
  • the transmission parameter determining device 600 also includes a receiving unit;
  • the receiving unit is configured to receive second indication information sent by the terminal device, where the second indication information is used to indicate the terminal device's ability to support non-codebook-based 8-antenna port transmission.
  • the SRI information is carried through downlink control information DCI.
  • the DCI does not include an indication field used to indicate the association relationship between the PTRS port and the DMRS port.
  • Figure 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device can be a terminal device or a network device.
  • the communication device 700 shown in Figure 7 includes a processor 710.
  • the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720 .
  • the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 1810 .
  • the communication device 700 can also include a transceiver 730, and the processor 710 can control the transceiver 730 to communicate with other devices. Specifically, it can send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 700 may be specifically a network device according to the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, details will not be repeated here. .
  • the communication device 700 can be a mobile terminal/terminal device according to the embodiment of the present application, and the communication device 700 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the communication device 700 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the communication device 700 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the communication device 700 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the communication device 700 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • FIG 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 800 shown in Figure 8 includes a processor 810.
  • the processor 810 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 800 may also include a memory 820 .
  • the processor 810 can call and run the computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810 , or may be integrated into the processor 810 .
  • the chip 800 may also include an input interface 830.
  • the processor 810 can control the input interface 830 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 800 may also include an output interface 840.
  • the processor 810 can control the output interface 840 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the details will not be described again.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiment of the present application. For the sake of simplicity, here No longer.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Figure 9 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 9 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method.
  • no further details will be given here. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
  • each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available processors.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Random Access Memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application can also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of simplicity, here No longer.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiment of the present application. , for the sake of brevity, will not be repeated here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, they are not included here. Again.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, no further details will be given here.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiment of the present application.
  • the computer program For the sake of simplicity , which will not be described in detail here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the various methods implemented by the mobile terminal/terminal device in the embodiments of the present application. The corresponding process, for the sake of brevity, will not be repeated here.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente demande concernent un procédé et un appareil de détermination d'un paramètre de transmission, un dispositif terminal et un dispositif réseau. Le procédé comprend : la détermination, par un dispositif terminal, de M ressources de signal de référence de sondage (SRS) cibles à partir d'un ensemble de ressources SRS sur la base d'informations d'indicateur SRS (SRI) reçues, l'ensemble de ressources SRS étant un ensemble de ressources SRS configuré par un dispositif réseau et utilisé pour une transmission sans livre de codes, et l'ensemble de ressources SRS comprenant N ressources SRS, N étant un nombre entier supérieur à 1, M étant un nombre entier supérieur ou égal à 1 et inférieur ou égal à N, et les informations de SRI prenant en charge une indication de huit ressources SRS ; la détermination, par le dispositif terminal, d'un paramètre de transmission d'un canal physique partagé montant (PUSCH) sur la base des M ressources SRS cibles.
PCT/CN2022/087757 2022-04-19 2022-04-19 Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau WO2023201542A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/087757 WO2023201542A1 (fr) 2022-04-19 2022-04-19 Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/087757 WO2023201542A1 (fr) 2022-04-19 2022-04-19 Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau

Publications (1)

Publication Number Publication Date
WO2023201542A1 true WO2023201542A1 (fr) 2023-10-26

Family

ID=88418933

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/087757 WO2023201542A1 (fr) 2022-04-19 2022-04-19 Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau

Country Status (1)

Country Link
WO (1) WO2023201542A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210111847A1 (en) * 2019-10-14 2021-04-15 Qualcomm Incorporated Srs design supporting multiple antennas
CN112703753A (zh) * 2019-01-23 2021-04-23 Oppo广东移动通信有限公司 传输信号的方法、终端设备和网络设备
WO2021161223A1 (fr) * 2020-02-13 2021-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Fiabilité de pusch multi-trp non basée un livre de codes avec de mutiples csi-rss nzp associés
CN113316950A (zh) * 2019-02-03 2021-08-27 Oppo广东移动通信有限公司 传输信号的方法、终端设备和网络设备
WO2022040890A1 (fr) * 2020-08-24 2022-03-03 华为技术有限公司 Procédé et appareil d'indication d'informations

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112703753A (zh) * 2019-01-23 2021-04-23 Oppo广东移动通信有限公司 传输信号的方法、终端设备和网络设备
CN113316950A (zh) * 2019-02-03 2021-08-27 Oppo广东移动通信有限公司 传输信号的方法、终端设备和网络设备
US20210111847A1 (en) * 2019-10-14 2021-04-15 Qualcomm Incorporated Srs design supporting multiple antennas
WO2021161223A1 (fr) * 2020-02-13 2021-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Fiabilité de pusch multi-trp non basée un livre de codes avec de mutiples csi-rss nzp associés
WO2022040890A1 (fr) * 2020-08-24 2022-03-03 华为技术有限公司 Procédé et appareil d'indication d'informations

Similar Documents

Publication Publication Date Title
WO2020155179A1 (fr) Procédé de transmission de signal, dispositif terminal et dispositif de réseau
US11849446B2 (en) Method for transmitting uplink data and terminal device
CN109890079B (zh) 一种资源配置方法及其装置
WO2021159409A1 (fr) Procédé et appareil de commande de puissance, et terminal
WO2021027895A1 (fr) Procédé et dispositif de détermination d'un sous-ensemble de livre de codes et équipement utilisateur
WO2020037447A1 (fr) Procédé et dispositif de régulation de puissance, et terminal
WO2019196801A1 (fr) Procédé de transmission de données et appareil et système de communication
WO2021035494A1 (fr) Procédé de traitement d'informations d'état de canal, dispositif électronique et support de mémoire
WO2020118574A1 (fr) Procédé de commande de puissance pour une transmission en liaison montante et dispositif terminal
US20230239014A1 (en) Information indication method and apparatus
US20230276436A1 (en) Communication method, user equipment, network device and computer-readable storage medium
WO2020062318A1 (fr) Procédé de communication sans fil et dispositif terminal
US20240007250A1 (en) Wireless communication method, terminal device, and network device
WO2019024786A1 (fr) Procédé de communication, et dispositif de réseau
WO2020177615A1 (fr) Procédé et dispositif de mesure d'un canal de communication
WO2024021652A1 (fr) Procédé et dispositif de communication sans fil et support de stockage
WO2020124506A1 (fr) Procédé de détermination de puissance d'émission d'une antenne, dispositif terminal, dispositif de réseau
WO2023201542A1 (fr) Procédé et appareil de détermination de paramètre de transmission, dispositif terminal et dispositif réseau
WO2022227033A1 (fr) Procédé de communication sans fil, dispositif terminal, et dispositif réseau
WO2020164153A1 (fr) Procédé destiné à déterminer un paramètre de configuration, et dispositif terminal et dispositif de réseau associés
WO2018137698A1 (fr) Procédé et dispositif de commande de puissance
WO2023141897A1 (fr) Procédé et appareil de détermination de puissance d'envoi, dispositif terminal et dispositif réseau
WO2022205459A1 (fr) Procédé de communication sans fil, équipement terminal et dispositif de réseau
WO2023011617A1 (fr) Procédé et appareil d'acquisition d'informations
WO2024149042A1 (fr) Procédé de communication et appareil de communication

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22937780

Country of ref document: EP

Kind code of ref document: A1