WO2020037447A9 - 一种功率控制方法及装置、终端 - Google Patents

一种功率控制方法及装置、终端 Download PDF

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Publication number
WO2020037447A9
WO2020037447A9 PCT/CN2018/101218 CN2018101218W WO2020037447A9 WO 2020037447 A9 WO2020037447 A9 WO 2020037447A9 CN 2018101218 W CN2018101218 W CN 2018101218W WO 2020037447 A9 WO2020037447 A9 WO 2020037447A9
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WIPO (PCT)
Prior art keywords
srs
value
terminal
power
port
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PCT/CN2018/101218
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English (en)
French (fr)
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WO2020037447A1 (zh
Inventor
史志华
陈文洪
方昀
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Oppo广东移动通信有限公司
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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 CN201880002959.5A priority Critical patent/CN109565757B/zh
Priority to PCT/CN2018/101218 priority patent/WO2020037447A1/zh
Priority to EP18921298.8A priority patent/EP3644657B1/en
Priority to US16/738,730 priority patent/US11089553B2/en
Publication of WO2020037447A1 publication Critical patent/WO2020037447A1/zh
Publication of WO2020037447A9 publication Critical patent/WO2020037447A9/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/143—Downlink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and in particular to a power control method, device, and terminal.
  • MIMO Multiple-Input Multiple-Output
  • PUSCH Physical Uplink Shared Channel
  • NR New Radio
  • Codebook-based uplink MIMO Codebook-based UL MIMO
  • Non-codebook-based uplink MIMO Non-codebook-based UL MIMO
  • the power control scheme for uplink MIMO transmission is to calculate the total power required by the sounding reference signal (SRS, Sounding Reference Signal), and then equally divide it into different SRS ports.
  • SRS sounding reference signal
  • the network is configured with 4 single-port SRS, and the terminal calculates the total SRS power, which is then equally divided among the 4 SRS ports.
  • This solution has no problem for 1 single-port SRS, 2 single-port SRS, and 4 single-port SRS, but there will be power allocation problems for 3 single-port SRS.
  • the embodiments of the present application provide a power control method, device, and terminal.
  • the terminal receives the first configuration information sent by the network device, and based on the first configuration information, determines that N SRS resources are used for non-codebook-based uplink transmission, where the terminal supports simultaneous transmission of M SRS resources;
  • the terminal determines the transmission power corresponding to each SRS resource as P/M based on the total transmission power P of the SRS; or, the terminal is based on the SRS Determine the first reference power corresponding to each SRS resource as P/N, and determine the actual transmission power corresponding to each SRS resource based on the first reference power and the second reference power.
  • a receiving unit configured to receive first configuration information sent by a network device
  • the first determining unit is configured to determine, based on the first configuration information, N SRS resources for use in non-codebook-based uplink transmission, where the terminal supports simultaneous transmission of M SRS resources;
  • the second determining unit is configured to, if the value of N is not sufficient to be divisible by the M, then: based on the total transmission power P of the SRS, determine the transmission power corresponding to each SRS resource as P/M; or, based on SRS total transmission power P, determine the first reference power corresponding to each SRS resource as P/N, and determine the actual transmission power corresponding to each SRS resource based on the first reference power and the second reference power.
  • the terminal provided in the embodiment of the present application 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 execute the above-mentioned power control method.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned power control method.
  • 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 power control method.
  • the computer-readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned power control method.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned power control method.
  • the computer program provided in the embodiments of the present application when running on a computer, causes the computer to execute the above-mentioned power control method.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of this application.
  • FIG. 2 is a schematic flowchart of a power control method provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of the structural composition of a power control device provided by an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 5 is a schematic structural diagram of a chip according to an embodiment of the application.
  • Fig. 6 is a schematic block diagram of a communication system provided by an embodiment of the application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via wired lines, such as public switched telephone networks (PSTN), digital subscriber lines (Digital Subscriber Line, DSL), digital cables, and direct cable connections; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellites or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio phone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminals 120 may perform device-to-device (D2D) communication.
  • D2D device-to-device
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here;
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the UE sends a multi-port SRS, and the network selects a specified codebook from a codebook set to notify the UE according to the measurement result of the SRS, and the UE performs data precoding and transmission according to the received specified codebook.
  • ⁇ Non-codebook-based UL MIMO transmission specifically can be divided into two ways
  • the UE estimates the downlink channel information according to the network downlink signal (Channel State Information Reference Signal (CSI-RS, Channel State Information Reference Signal) associated with the network configuration), and calculates the uplink precoding matrix based on the downlink channel information.
  • the UE can support 4 ports
  • the UE may calculate 1 precoding matrix (4-dimensional) or 4 1-dimensional precoding vectors, and then the UE (sequentially or simultaneously) sends 4 single-port SRSs, and each SRS uses the above
  • the precoding matrix or precoding vector is pre-coded and then sent, and the network indicates one or more SRS according to the measurement result of the SRS.
  • the UE performs PUSCH transmission according to the indicated SRS.
  • the network indicates the first SRS, and the UE transmits the PUSCH of 1 layer, and its precoding usage corresponds to the first SRS.
  • Manner 2 This solution can be used when the channel disparity is not established (the network does not configure the associated CSI-RS at this time)-antenna selection.
  • the UE does not need DL RS to calculate the precoding matrix.
  • the UE may use 1 unit matrix (4 dimensions) (may also have a coefficient), or 4 1-dimensional precoding vectors ([1 0 0 0], [0 1 0 0], [0 0 1 0], [0 0 0 1], there may be a coefficient in front of these vectors), and then the UE (sequentially or simultaneously) sends 4 single-port SRSs, and each SRS uses the above pre-
  • the coding matrix or precoding vector is sent after precoding, and the network indicates one or more SRS according to the measurement result of the SRS.
  • the UE performs PUSCH transmission according to the indicated SRS. For example, the network indicates the first SRS, and the UE transmits the PUSCH of 1
  • the current power control scheme is to calculate the total power required by the SRS, and then divide it into different ports. For example, for Method 2 (antenna selection) in the Non-codebook-based UL MIMO transmission method, 4 single-port SRS, calculate the total SRS power, and then divide it equally among the 4 SRS ports.
  • This solution has no problem for 1 single-port SRS, 2 single-port SRS, and 4 single-port SRS, but it has problems for 3 single-port SRS. Examples are as follows:
  • a UE has 4 transmit antennas, the total power is P_max, and the transmit power of each antenna is P_max/4.
  • the UE can virtualize 4 antennas into 1 port, because the total power of the SRS will not exceed the maximum transmission power, so there is no problem with the above-mentioned power allocation.
  • the UE can virtualize 4 antennas into 2 ports, because the total power of SRS will not exceed the maximum transmission power, so the maximum transmission power of each port will not exceed 1/2 of the maximum transmission Therefore, one port virtualized by two antennas can support P_max/2 at the maximum, and there is no problem with the above power allocation.
  • the UE can assign 4 antennas to 4 ports, because the total power of SRS will not exceed the maximum transmission power, so the maximum transmission power of each port will not exceed 1/4 of the maximum transmission power , So there is no problem with the above power distribution.
  • the UE can assign 3 antennas to 3 ports (1 is not used), or 2 antennas to 2 ports, and the other 2 antennas are virtualized as 1 port. Because the total power of SRS will not exceed the maximum transmit power, the maximum transmit power of each port will not exceed 1/3 of the maximum transmit power, but the maximum transmit power of one port formed by one antenna is only 1/4 of the transmit power. There is a problem with power distribution at this time.
  • the existing protocol can be used.
  • the embodiment of this application is modified for the case of three single-port SRS.
  • Fig. 2 is a schematic flowchart of a power control method provided by an embodiment of the application. As shown in Fig. 2, the power control method includes the following steps:
  • Step 201 The terminal receives the first configuration information sent by the network device, and based on the first configuration information, determines that N SRS resources are used for non-codebook-based uplink transmission, where the terminal supports simultaneous transmission of M SRS resources.
  • the terminal may be any device capable of communicating with the network, such as a mobile phone, a tablet computer, a vehicle-mounted terminal, and a notebook.
  • the network device may be a base station, such as a gNB in 5G.
  • the terminal may receive the first configuration information sent by the network device through system broadcast or RRC signaling.
  • the first configuration information is used to configure N SRS resources for the terminal for non-codebook-based For uplink transmission, considering that the terminal supports simultaneous transmission of M SRS resources, N is a positive integer less than or equal to M.
  • the terminal supports simultaneous transmission of M SRS resources, which can be understood as: the terminal has M uplink transmit antennas, where each uplink transmit antenna can be used as a single port to transmit one SRS resource.
  • M SRS resources which can be understood as: the terminal has M uplink transmit antennas, where each uplink transmit antenna can be used as a single port to transmit one SRS resource.
  • two or more uplink transmit antennas can be virtualized into one port to generate one SRS resource.
  • the N SRS resources configured on the network side based on the first configuration information in the embodiment of the present application refer to single-port SRS resources.
  • Step 202 If the value of N is not sufficient to be divisible by the M, then: the terminal determines the transmission power corresponding to each SRS resource as P/M based on the total transmission power P of the SRS; or The terminal determines the first reference power corresponding to each SRS resource as P/N based on the total transmission power P of the SRS, and determines the actual transmission corresponding to each SRS resource based on the first reference power and the second reference power power.
  • the value of N does not satisfy that it is divisible by the M, including: when the value of M is 4, the value of N is 3.
  • the embodiments of the present application propose the following power control solutions:
  • Solution 1 The terminal determines the transmission power corresponding to each SRS resource as P/M based on the total transmission power P of the SRS.
  • Solution 2 The terminal determines the first reference power corresponding to each SRS resource as P/N based on the total transmission power P of the SRS, and determines each SRS based on the first reference power and the second reference power The actual transmit power corresponding to the resource.
  • the terminal uses the minimum value of the first reference power and the second reference power as the actual transmit power of each SRS resource.
  • the second reference power is the maximum transmit power corresponding to each antenna.
  • the network configures 3 single-port SRS resources for non-codebook-based PUSCH transmission, and the terminal calculates the total power P of SRS transmission according to the relevant configuration, then
  • the SRS resource equally divided transmission rate of each single port is P/3.
  • the actual transmission power of the SRS resource of each single port is determined as min(P /3, P_max_antenna_i), where min represents the smaller value (minimum value) of the two parameters in parentheses.
  • the UE will correspond to 2 ports (port 0, port 1) with 2 antennas, and virtualize the other 2 antennas into 1 port (port 2). Based on the above scheme, port The actual transmit power of 0, port 1, and port 2 does not exceed 1/4P_max.
  • the second reference power is the maximum transmit power corresponding to each port.
  • each SRS resource is associated with one port, and the one port is associated with at least one antenna.
  • the network configures 3 single-port SRS resources for non-codebook-based PUSCH transmission, and the terminal calculates the total power P of SRS transmission according to the relevant configuration, then
  • the SRS resource equally divided transmission rate of each single port is P/3.
  • the actual transmission power is min(P/3, P_max_port_i), where min represents Take the smaller value (minimum value) of the two parameters in parentheses.
  • the UE will correspond to 2 ports (port 0, port 1) with 2 antennas, and virtualize the other 2 antennas into 1 port (port 2). Based on the above scheme, port The actual transmit power of 0 and port 1 does not exceed 1/4P_max, but the actual transmit power of port 2 does not exceed 1/2P_max.
  • the technical solution of the embodiment of the present application also includes the following situation: if the value of N is divisible by the M, the terminal determines the transmission power corresponding to each SRS resource as P based on the total transmission power P of the SRS /N. For example: when the value of M is 4, the value of N is 1, or 2, or 4.
  • FIG. 3 is a schematic diagram of the structural composition of a power control device provided by an embodiment of the application. As shown in FIG. 3, the power control device includes:
  • the receiving unit 301 is configured to receive first configuration information sent by a network device
  • the first determining unit 302 is configured to determine based on the first configuration information that N SRS resources are used for non-codebook-based uplink transmission, where the terminal supports simultaneous transmission of M SRS resources;
  • the second determining unit 303 is configured to, if the value of N is not sufficient to be divisible by the M, then: determine the transmission power corresponding to each SRS resource as P/M based on the total transmission power P of the SRS; or, Based on the total transmission power P of the SRS, determine the first reference power corresponding to each SRS resource as P/N, and determine the actual transmission power corresponding to each SRS resource based on the first reference power and the second reference power .
  • the second determining unit 303 is configured to use the minimum value of the first reference power and the second reference power as the actual transmit power of each SRS resource.
  • the second reference power is the maximum transmit power corresponding to each antenna.
  • the second reference power is the maximum transmit power corresponding to each port.
  • each SRS resource is associated with one port, and the one port is associated with at least one antenna.
  • the value of N does not satisfy that it can be divisible by the M, including:
  • the device further includes:
  • the third determining unit 304 is configured to determine that the transmission power corresponding to each SRS resource is P/N based on the total transmission power P of the SRS if the value of N satisfies that it can be divisible by the M.
  • the value of N satisfies that it can be divisible by the M, including:
  • the value of N is 1, or 2, or 4.
  • FIG. 4 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device may be a terminal.
  • the communication device 600 shown in FIG. 4 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device in an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, details are not repeated here. .
  • the communication device 600 may specifically be a mobile terminal/terminal according to an embodiment of the application, and the communication device 600 may implement the corresponding procedures implemented by the mobile terminal/terminal in each method of the embodiments of the application. For the sake of brevity, This will not be repeated here.
  • Fig. 5 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 700 shown in FIG. 5 includes a processor 710, and 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 chip 700 may further include a memory 720.
  • the processor 710 may call and run a 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 in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, 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 process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • it will not be omitted here. Repeat.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 6 is a schematic block diagram of a communication system 900 according to an embodiment of the present application. As shown in FIG. 6, the communication system 900 includes a terminal 910 and a network device 920.
  • the terminal 910 may be used to implement the corresponding functions implemented by the terminal in the foregoing method
  • the network device 920 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
  • details are not described herein again.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed 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 a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • 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.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the 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), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM 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
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), 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), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium may be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for It's concise, so I won't repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may 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 process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding procedures implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for the sake of brevity , I won’t repeat it here.
  • the 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 runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal in the embodiments of the present application.
  • the computer program runs on the computer, the computer can execute the corresponding methods implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application. For the sake of brevity, the process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application 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, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present 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 .

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Abstract

本申请实施例提供一种功率控制方法及装置、终端，包括：终端接收网络设备发送的第一配置信息，基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输；如果所述N的取值不满足能被所述M整除，则：所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，所述终端基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。

Description

一种功率控制方法及装置、终端 技术领域
本申请实施例涉及移动通信技术领域，具体涉及一种功率控制方法及装置、终端。
背景技术
针对新空口(NR，New Radio)中物理上行共享信道(PUSCH，Physical Uplink Shared Channel)的多入多出(MIMO，Multiple-Input Multiple-Output)传输方案的设计，存在两大类传输方案：基于码本的上行MIMO(Codebook-based UL MIMO)传输和基于非码本的上行MIMO(Non-codebook-based UL MIMO)传输。
其中，上行MIMO传输的功率控制方案是：计算出探测参考信号(SRS，Sounding Reference Signal)需要的总功率，然后等分到不同的SRS端口上。例如针对Non-codebook based UL MIMO传输，网络配置了4个单端口的SRS，终端计算出总的SRS功率，然后平分到4个SRS端口上。这一方案对于1个单端口的SRS，2个单端口的SRS，4个单端口的SRS时都没有问题，但是对于3个单端口的SRS时就会存在功率分配的问题。
发明内容
本申请实施例提供一种功率控制方法及装置、终端。
本申请实施例提供的功率控制方法，包括：
终端接收网络设备发送的第一配置信息，基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输；
如果所述N的取值不满足能被所述M整除，则：所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，所述终端基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
本申请实施例提供的功率控制装置，包括：
接收单元，用于接收网络设备发送的第一配置信息；
第一确定单元，用于基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输；
第二确定单元，用于如果所述N的取值不满足能被所述M整除，则：基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
本申请实施例提供的终端，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的功率控制方法。
本申请实施例提供的芯片，用于实现上述的功率控制方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行上述的功率控制方法。
本申请实施例提供的计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述的功率控制方法。
本申请实施例提供的计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述的功率控制方法。
本申请实施例提供的计算机程序，当其在计算机上运行时，使得计 算机执行上述的功率控制方法。
通过上述技术方案，针对NR系统中的Non-codebook based UL MIMO传输方案，当网络配置的SRS资源的数目不能够被终端支持SRS资源的数目整除时，提出一种具体的功率控制方案，可以有效地适应UE的实现，保证功率控制算法能有效工作。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请实施例提供的一种通信系统架构的示意性图；
图2为本申请实施例提供的功率控制方法的流程示意图；
图3为本申请实施例提供的功率控制装置的结构组成示意图；
图4为本申请实施例提供的一种通信设备示意性结构图；
图5为本申请实施例的芯片的示意性结构图；
图6为本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet  Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端120。作为在此使用的“终端”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动 终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地，终端120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端120，网络设备110和终端120可以为上文所述的具体 设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
为便于理解本申请实施例的技术方案，以下对本申请实施例相关的技术进行说明。
针对NR中PUSCH的MIMO传输方案的设计，存在两大类传输方案：
·Codebook-based UL MIMO传输：
UE发送多端口的SRS，网络根据SRS的测量结果，从一个码本集合中选择一个指定的码本通知UE，UE根据接收到的指定码本来进行数据的预编码，并进行传输。
·Non-codebook-based UL MIMO传输：具体可以分为两种方式
方式1：这种方案针对信道互异性成立的情况。UE根据网络下行信号(网络配置关联的信道状态信息参考信号(CSI-RS，Channel State Information Reference Signal))，估计出下行信道信息，根据下行信道信息计算上行预编码矩阵，例如UE可以支持4端口的上行传输，则UE可能会计算出1个预编码矩阵(4维)，或者4个1维的预编码向量，然后UE(依次或者同时)发送4个单端口的SRS，每个SRS使用上面的预编码矩阵或者预编码向量进行预编码后再发送，网络根据对SRS的测量结果，指示1个或多个SRS。UE根据指示的SRS来进行PUSCH传输。例如网络指示了第一个SRS，则UE传输1个layer的PUSCH，并且其预编码使用与第一个 SRS对应。
方式2：这种方案可以用于信道互异性不成立的情况(此时网络不配置关联的CSI-RS)——天线选择。这时候UE不需要DL RS来计算预编码矩阵。例如UE可以支持天线上行传输，则UE可能会使用1个单位矩阵(4维)(可能还会有一个系数)，或者4个1维的预编码向量([1 0 0 0]、[0 1 0 0]、[0 0 1 0]、[0 0 0 1]，这些向量前面可能还有一个系数)，然后UE(依次或者同时)发送4个单端口的SRS，每个SRS使用上面的预编码矩阵或者预编码向量进行预编码后再发送，网络根据对SRS的测量结果，指示1个或多个SRS。UE根据指示的SRS来进行PUSCH传输。例如网络指示了第一个SRS，则UE传输1个layer的PUSCH，并且其预编码使用与第一个SRS对应。
目前的功率控制方案是：计算出SRS需要的总功率，然后等分到不同的端口，例如针对Non-codebook-based UL MIMO传输方式中的方式2(天线选择)，配置了4个单端口的SRS，则计算出来总的SRS功率，然后平分到4个SRS端口。这一方案对于1个单端口的SRS，2个单端口的SRS，4个单端口的SRS时没有问题，但是对于3个单端口的SRS时有问题。举例如下：
一个UE有4个发射天线，总功率为P_max，每个天线的发射功率为P_max/4。
如果网络配置1个单端口的SRS，UE可以把4个天线虚拟成1个端口，因为SRS的总功率不会超过最大发射功率，因此上述功率分配没有问题。
如果网络配置2个单端口的SRS，UE可以把4个天线虚拟成2个端口，因为SRS的总功率不会超过最大发射功率，因此每个端口的最大发射功率不会超过1/2最大发射功率，因此2个天线虚拟成的1个端口能够最大支持P_max/2，上述功率分配没有问题。
如果网络配置4个单端口的SRS，UE可以把4个天线对应4个端口，因为SRS的总功率不会超过最大发射功率，因此每个端口的最大发射功率不会超过1/4最大发射功率，因此上述功率分配没有问题。
如果网络配置3个单端口的SRS，UE可以把3个天线对应3个端口(1个不用)，或者2个天线对应2个端口，另外2个天线虚拟成1个端口。因为SRS的总功率不会超过最大发射功率，因此每个端口的最大发射功率不会超过1/3最大发射功率，但是1个天线形成的1个端口最大发射功率只有1/4发射功率，上述功率分配此时存在问题。
本申请实施例中，如果网络侧配置成1个、2个、4个单端口的SRS的情况，可以沿用现有协议。本申请实施例针对3个单端口的SRS的情况进行修改。
图2为本申请实施例提供的功率控制方法的流程示意图，如图2所示，所述功率控制方法包括以下步骤：
步骤201：终端接收网络设备发送的第一配置信息，基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输。
本申请实施例中，所述终端可以是手机、平板电脑、车载终端、笔记本等任意能够与网络进行通信的设备。
本申请实施例中，所述网络设备可以是基站，例如5G中的gNB。
本申请实施例中，所述终端可以通过系统广播或RRC信令来接收网络设备发送的第一配置信息，这里，第一配置信息用于为终端配置N个SRS资源用于基于非码本的上行传输，考虑到终端支持M个SRS资源同时传输，因此N为小于等于M的正整数。
本申请实施例中，终端支持M个SRS资源同时传输，可以理解为：终端有M个上行发射天线，其中，每个上行发射天线都可以单独作为一个端 口来发射一个SRS资源。当然，两个或更多个上行发射天线可以虚拟成一个端口来发生一个SRS资源。本领域技术人员应当理解，本申请实施例中的网络侧基于第一配置信息所配置的N个SRS资源，是指单端口的SRS资源。
步骤202：如果所述N的取值不满足能被所述M整除，则：所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，所述终端基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
本申请实施例中，所述N的取值不满足能够被所述M整除，包括：所述M的取值为4的情况下，所述N的取值为3。这种情况下，本申请实施例提出以下功率控制方案：
方案一：所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M。
举个例子：如果一个UE支持M＝4个SRS资源同时传输，网络配置3个单端口的SRS资源用于Non-codebook-based PUSCH传输，终端根据相关配置计算出SRS发射的总功率P，则每个单端口的SRS资源的发送功率为P/X＝P/4。
方案二：所述终端基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
进一步，所述终端将所述第一参考功率与所述第二参考功率中的最小值，作为所述每个SRS资源的实际发射功率。
在一实施方式中，所述第二参考功率为每个天线对应的最大发射功率。
举个例子：如果一个UE支持M＝4个SRS资源同时传输，网络配置3 个单端口的SRS资源用于Non-codebook-based PUSCH传输，终端根据相关配置计算出SRS发射的总功率P，则每个单端口的SRS资源等分发送率为P/3，然后，根据P/3与每个天线的最大发射功率P_max_antenna_i的关系，确定每个单端口的SRS资源的实际发射功率为min(P/3,P_max_antenna_i)，这里，min代表取后面括号中两个参数的较小值(最小值)。
具体应用时，如果网络配置3个单端口的SRS，UE把2个天线对应2个端口(port 0，port 1)，另外2个天线虚拟成1个端口(port 2)，基于上述方案，port 0、port 1以及port 2的实际发射功率不超过1/4P_max。
在另一实施方式中，所述第二参考功率为每个端口对应的最大发射功率。这里，所述每个SRS资源与一个端口相关联，所述一个端口与至少一个天线相关联。
举个例子：如果一个UE支持M＝4个SRS资源同时传输，网络配置3个单端口的SRS资源用于Non-codebook-based PUSCH传输，终端根据相关配置计算出SRS发射的总功率P，则每个单端口的SRS资源等分发送率为P/3，然后，根据P/3与每个端口的最大发射功率P_max_port_i关系，实际发射功率为min(P/3,P_max_port_i)，这里，min代表取后面括号中两个参数的较小值(最小值)。
具体应用时，如果网络配置3个单端口的SRS，UE把2个天线对应2个端口(port 0，port 1)，另外2个天线虚拟成1个端口(port 2)，基于上述方案，port 0和port 1的实际发射功率不超过不超过1/4P_max,但是port2的实际发射功率不超过1/2P_max。
本申请实施例的技术方案还包括以下情况：如果所述N的取值满足能够被所述M整除，则所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/N。举个例子：所述M的取值为4的情况下，所述N的取值为1、或2、或4。
对于网络侧而言，如果一个UE支持M＝4个SRS资源同时传输，则网络只配置1个、或2个、或4个SRS资源用于Non-codebook-based PUSCH传输，不会配置3个SRS资源用于Non-codebook-based PUSCH传输。如此，终端侧根据相关配置计算出SRS发射的总功率P，则每个单端口的SRS资源的发射送率为P/N，如P、或P/2、或P/4。
图3为本申请实施例提供的功率控制装置的结构组成示意图，如图3所示，所示功率控制装置包括：
接收单元301，用于接收网络设备发送的第一配置信息；
第一确定单元302，用于基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输；
第二确定单元303，用于如果所述N的取值不满足能被所述M整除，则：基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
在一实施方式中，所述第二确定单元303，用于将所述第一参考功率与所述第二参考功率中的最小值，作为所述每个SRS资源的实际发射功率。
在一实施方式中，所述第二参考功率为每个天线对应的最大发射功率；或者，
所述第二参考功率为每个端口对应的最大发射功率。
在一实施方式中，所述每个SRS资源与一个端口相关联，所述一个端口与至少一个天线相关联。
在一实施方式中，所述N的取值不满足能够被所述M整除，包括：
所述M的取值为4的情况下，所述N的取值为3。
在一实施方式中，所述装置还包括：
第三确定单元304，用于如果所述N的取值满足能够被所述M整除，则基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/N。
在一实施方式中，所述N的取值满足能够被所述M整除，包括：
所述M的取值为4的情况下，所述N的取值为1、或2、或4。
本领域技术人员应当理解，本申请实施例的上述功率控制装置的相关描述可以参照本申请实施例的功率控制方法的相关描述进行理解。
图4是本申请实施例提供的一种通信设备600示意性结构图。该通信设备可以是终端，图4所示的通信设备600包括处理器610，处理器610可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图4所示，通信设备600还可以包括存储器620。其中，处理器610可以从存储器620中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器620可以是独立于处理器610的一个单独的器件，也可以集成在处理器610中。
可选地，如图4所示，通信设备600还可以包括收发器630，处理器610可以控制该收发器630与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器630可以包括发射机和接收机。收发器630还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备600具体可为本申请实施例的网络设备，并且该通信设备600可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备600具体可为本申请实施例的移动终端/终端，并且该通信设备600可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
图5是本申请实施例的芯片的示意性结构图。图5所示的芯片700包括处理器710，处理器710可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图5所示，芯片700还可以包括存储器720。其中，处理器710可以从存储器720中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器720可以是独立于处理器710的一个单独的器件，也可以集成在处理器710中。
可选地，该芯片700还可以包括输入接口730。其中，处理器710可以控制该输入接口730与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片700还可以包括输出接口740。其中，处理器710可以控制该输出接口740与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图6是本申请实施例提供的一种通信系统900的示意性框图。如图6所示，该通信系统900包括终端910和网络设备920。
其中，该终端910可以用于实现上述方法中由终端实现的相应的功能， 以及该网络设备920可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous  DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并 且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成 到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (19)

  1. 一种功率控制方法，所述方法包括：
    终端接收网络设备发送的第一配置信息，基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输；
    如果所述N的取值不满足能被所述M整除，则：所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，所述终端基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
  2. 根据权利要求1所述的方法，其中，所述基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率，包括：
    所述终端将所述第一参考功率与所述第二参考功率中的最小值，作为所述每个SRS资源的实际发射功率。
  3. 根据权利要求2所述的方法，其中，
    所述第二参考功率为每个天线对应的最大发射功率；或者，
    所述第二参考功率为每个端口对应的最大发射功率。
  4. 根据权利要求3所述的方法，其中，所述每个SRS资源与一个端口相关联，所述一个端口与至少一个天线相关联。
  5. 根据权利要求1至4任一项所述的方法，其中，所述N的取值不满足能够被所述M整除，包括：
    所述M的取值为4的情况下，所述N的取值为3。
  6. 根据权利要求1至5任一项所述的方法，其中，所述方法还包括：
    如果所述N的取值满足能够被所述M整除，则所述终端基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/N。
  7. 根据权利要求6所述的方法，其中，所述N的取值满足能够被所述M整除，包括：
    所述M的取值为4的情况下，所述N的取值为1、或2、或4。
  8. 一种功率控制装置，所述装置包括：
    接收单元，用于接收网络设备发送的第一配置信息；
    第一确定单元，用于基于所述第一配置信息确定N个SRS资源用于基于非码本的上行传输，其中，所述终端支持M个SRS资源同时传输；
    第二确定单元，用于如果所述N的取值不满足能被所述M整除，则：基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/M；或者，基于SRS的总发射功率P，确定每个SRS资源对应的第一参考功率为P/N，并基于所述第一参考功率与第二参考功率，确定所述每个SRS资源对应的实际发射功率。
  9. 根据权利要求8所述的装置，其中，所述第二确定单元，用于将所述第一参考功率与所述第二参考功率中的最小值，作为所述每个SRS资源的实际发射功率。
  10. 根据权利要求9所述的装置，其中，
    所述第二参考功率为每个天线对应的最大发射功率；或者，
    所述第二参考功率为每个端口对应的最大发射功率。
  11. 根据权利要求10所述的装置，其中，所述每个SRS资源与一个端口相关联，所述一个端口与至少一个天线相关联。
  12. 根据权利要求8至11任一项所述的装置，其中，所述N的取值不满足能够被所述M整除，包括：
    所述M的取值为4的情况下，所述N的取值为3。
  13. 根据权利要求8至12任一项所述的装置，其中，所述装置还包括：
    第三确定单元，用于如果所述N的取值满足能够被所述M整除，则基于SRS的总发射功率P，确定每个SRS资源对应的发射功率为P/N。
  14. 根据权利要求13所述的装置，其中，所述N的取值满足能够被所述M整除，包括：
    所述M的取值为4的情况下，所述N的取值为1、或2、或4。
  15. 一种终端，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至7中任一项所述的方法。
  16. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至7中任一项所述的方法。
  17. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至7中任一项所述的方法。
  18. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至7中任一项所述的方法。
  19. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1至7中任一项所述的方法。
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