WO2020061942A1 - Procédé de distribution de puissance, dispositif terminal, et dispositif de réseau - Google Patents

Procédé de distribution de puissance, dispositif terminal, et dispositif de réseau Download PDF

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Publication number
WO2020061942A1
WO2020061942A1 PCT/CN2018/108070 CN2018108070W WO2020061942A1 WO 2020061942 A1 WO2020061942 A1 WO 2020061942A1 CN 2018108070 W CN2018108070 W CN 2018108070W WO 2020061942 A1 WO2020061942 A1 WO 2020061942A1
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WIPO (PCT)
Prior art keywords
power allocation
pusch
allocation mode
terminal device
configuration information
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
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PCT/CN2018/108070
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English (en)
Chinese (zh)
Inventor
史志华
陈文洪
方昀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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.)
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2018/108070 priority Critical patent/WO2020061942A1/fr
Priority to CN201880003224.4A priority patent/CN109644468B/zh
Publication of WO2020061942A1 publication Critical patent/WO2020061942A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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

Definitions

  • Embodiments of the present application relate to the field of communications, and in particular, to a method for power allocation, a terminal device, and a network device.
  • Non-codebook-based physical uplink shared channel (PUSCH) transmission In a new wireless (New Radio, NR) system, non-codebook-based physical uplink shared channel (PUSCH) transmission.
  • Terminal equipment can calculate the total transmit power according to the power control algorithm. According to the number of antenna ports, the total transmission power may be evenly distributed to the multiple antenna ports. However, in some cases, this power allocation method is not necessarily reasonable. Therefore, how to perform power allocation to meet the needs of different situations is an urgent problem.
  • the embodiments of the present application provide a method, a terminal device, and a network device for power allocation, which are beneficial to realize flexible selection of a power allocation scheme.
  • a method for power allocation including: a terminal device determining a target power allocation mode among at least two power allocation modes; and determining a first physical uplink sharing based on a non-codebook according to the target power allocation mode Transmit power on each port of the channel PUSCH
  • a power allocation method including: a network device sends first configuration information to a terminal device, where the first configuration information is used by the terminal device to determine a target power allocation in at least two power allocation modes the way.
  • a terminal device is provided to execute the foregoing first aspect or the method in any possible implementation manner of the first aspect.
  • the terminal device includes a unit for performing the foregoing first aspect or the method in any possible implementation manner of the first aspect.
  • a network device for performing the foregoing second aspect or the method in any possible implementation manner of the second aspect.
  • the network device includes a unit for performing the foregoing second aspect or the method in any possible implementation manner of the second aspect.
  • a terminal device includes a processor and a memory.
  • the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory, and execute the method in the above-mentioned first aspect or its implementations.
  • a network device includes: a processor and a memory.
  • the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or the implementations thereof.
  • a chip is provided for implementing any one of the first to second aspects or a method in each implementation thereof.
  • the chip includes a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes any one of the first aspect to the second aspect described above or implementations thereof. method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • a computer program product including computer program instructions that cause a computer to execute the method in any one of the first to second aspects described above or in various implementations thereof.
  • a computer program that, when run on a computer, causes the computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • the terminal device can determine the target power allocation method among at least two power allocation methods, and can further allocate the transmit power of each port that sends PUSCH according to the target power allocation method, which is beneficial to the flexible selection of the power allocation solution.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a power allocation method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a power allocation method according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System for Mobile
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • 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 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device may be a mobile switching center, relay station, access point, vehicle equipment, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • PLMN public land mobile networks
  • the communication system 100 further includes at least one terminal device 120 located within a coverage area of the network device 110.
  • terminal equipment used herein includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection ; And / or another data connection / network; and / or via a wireless interface, such as for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured 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, satellite or cellular phones; personal communications systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communications capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS personal communications systems
  • GPS Global Positioning System
  • a terminal device can refer to an access terminal, user equipment (User Equipment), 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.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Processing (PDA), and wireless communication.
  • terminal devices 120 may perform terminal direct device (D2D) communication.
  • D2D terminal direct device
  • the 5G system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • the device having a communication function in the network / system in the embodiments of the present application may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 having a communication function, and the network device 110 and the terminal device 120 may be specific devices described above, and are not described herein again
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobile management entity, and the like, which is not limited in the embodiments of the present application.
  • the terminal device sends a multi-port sounding reference signal (SRS), and the network device selects a codebook from the codebook set according to the measurement result of the SRS, and instructs the terminal device. Further, the terminal device according to the network The codebook indicated by the device precodes the data and transmits the data.
  • SRS multi-port sounding reference signal
  • Non-Codebook-based PUSCH transmission
  • a terminal device may estimate downlink channel information according to a downlink signal sent by a network device, and then determine an uplink precoding matrix based on the downlink channel information.
  • the terminal device Supporting 4-port uplink transmission, you can calculate a 4-dimensional precoding center, or 4 one-dimensional precoding vectors.
  • the terminal device can (sequentially or simultaneously) 4 single-port SRS, each port Using the above-mentioned precoding matrix or precoding vector for precoding and then transmitting data, the network device may indicate one or more SRSs to the terminal device according to the measurement result of the SRS, so that the terminal device may perform the SRS according to the SRS indicated by the network device PUSCH transmission. For example, if the network device indicates the first SRS, the terminal device can transmit a PUSCH of a layer, and the precoding used by the PUSCH corresponds to the first SRS. In the embodiment of the present application, these SRSs belong to an SRS resource set.
  • CSI-RS Channel state information reference signals
  • TRP Transmission Reception Points
  • the terminal device needs to know which CSI-RS is used by the network device.
  • the network device can indicate to the terminal device which CSI-RS is used for channel estimation, that is, the network device can configure the CSI-RS corresponding to the SRS resource set.
  • CSI-RS resources can refer to non-zero power (NZP) CSI-RS resources (NZP, CSI RS resources), that is, the network device can be configured with PUSCH corresponding SRS resources and associated NZPs, CSIs, and RS resources are used.
  • this type of PUSCH is referred to as the first type of PUSCH.
  • the network device is not configured with the NZP, CSI, and RSResource associated with the SRS resource and PUSCH of the PUSCH.
  • the terminal device cannot obtain complete downlink channel information.
  • the terminal device generally uses the antenna selection method for PUSCH. For example, if each SRS corresponds to one or a group of physical antennas, for X single-port SRS and X physical antennas, the terminal device can send one SRS per physical antenna, and for X single-port SRS, 2X In the case of multiple physical antennas, the terminal device can send an SRS every 2 physical antennas.
  • This type of PUSCH is called the second type of PUSCH.
  • the main difference between the PUSCH of the first type and the PUSCH of the second type is whether the SRS resource corresponding to the PUSCH is configured with an associated NZP CSI RS resource.
  • the total transmit power (or total power) of the PUSCH may be determined according to an existing power control related algorithm, and details are not described herein.
  • SRS resource and SRS resource set are sometimes abbreviated as SRS;
  • CSI-RS resource and CSI-RS resource set are sometimes abbreviated as CSI-RS, that is, the above terms may be replaced with each other.
  • FIG. 2 to FIG. 3 show the main steps or operations of the power allocation method according to the embodiment of the present application.
  • the steps or operations are just examples, and the embodiments of the present application may also perform other operations or variations of various operations of FIGS. 2 to 3.
  • each step in the method embodiment of the present application may also be performed in a different order described in the method embodiment, and it may not be necessary to perform all operations in the method embodiment.
  • FIG. 2 is a schematic flowchart of a power allocation method according to an embodiment of the present application. As shown in FIG. 2, the method 200 includes the following content:
  • the terminal device determines a target power allocation mode among at least two power allocation modes.
  • the at least two power allocation modes may include a first power allocation mode and a second power allocation mode, wherein the first power allocation mode is used to instruct to multiply the total transmit power by a first scale factor allocation.
  • the second power allocation mode is used to indicate that the total transmitting power is directly allocated to each transmitting port, or the total power is multiplied by a second scaling factor and allocated to each of the ports, where: The first scale factor and the second scale factor are determined differently.
  • the at least two power allocation methods may also include more power allocation methods, for example, the third power allocation method, and the power allocation algorithm corresponding to each power allocation method is different to meet the requirements of different scenarios.
  • the first scaling factor may be determined according to the number of configured ports, or may also be determined according to the number of ports actually used for transmission.
  • the first scaling factor may be determined according to the number of configured ports or The number of ports distributes the total transmit power evenly to each port.
  • the terminal device can multiply the total transmit power by the power value obtained by 1/4 to allocate To each port, if three of the four ports actually transmit PUSCH, the terminal device can multiply the total transmit power by 1/3 of the power value to allocate to the three ports that actually transmit.
  • the terminal device when performing power allocation, may also directly allocate the calculated total transmit power to each port, or allocate the total transmit power to a port that actually transmits PUSCH Using this power allocation algorithm is beneficial to reducing the complexity of the terminal equipment.
  • the PUSCH of each port is sent from 4 antennas, so Even if one port is used, the PUSCH of each port can be sent using the calculated total transmit power, that is, the total transmit power can be directly allocated to each port.
  • the terminal device may also allocate a power value obtained by multiplying the total transmit power by a second scale factor to each port, where the second scale factor may be
  • the signal quality of the PUSCH port is determined by factors such as the actual number of transmitted ports and the number of configured ports. For example, the terminal device can allocate greater transmit power to ports with better signal quality, and assign ports with poorer channel quality to Low transmit power or PUSCH transmission without using this port.
  • the terminal device can allocate 1/2 of the total transmit power to port 2 and 1/4 of the total transmit power to port 1 and port 4, respectively.
  • the power allocation algorithm corresponding to the second power allocation method is only an example.
  • the second power allocation method may also use other power allocation algorithms that are different from the first power allocation method, which is not limited in this embodiment of the present application. .
  • the non-codebook-based PUSCH may include two types, a first type and a second type, wherein an SRS corresponding to the PUSCH of the first type is configured with an associated CSI-RS, and the second The SRS corresponding to the type of PUSCH is not configured with an associated CSI-RS.
  • the SRS may be an aperiodic SRS, a semi-persistent SRS, or a periodic SRS.
  • SRS may specifically refer to SRS resource set
  • CSI-RS may specifically refer to NZP CSI resource
  • SRS and CSI-RS association may refer to SRS resource set and NZP CSI resource association.
  • Embodiment 1 The target power allocation mode is determined according to the capability information of the terminal device.
  • the capability information of the terminal device may include at least one of the following information:
  • Information of a power allocation mode supported by the PUSCH of the terminal device for example, the PUSCH supports a first power allocation mode or a second power allocation mode;
  • Information about the transmit power of the terminal device for example, the maximum transmit power on each port of the terminal device and / or the maximum transmit power of the terminal device;
  • the PUSCH corresponding to the terminal device is configured with an associated CSI-RS in the SRS, or the type of the PUSCH.
  • the terminal device may determine that the target allocation mode is the first power allocation mode, or if the PUSCH supports the second power allocation mode , The terminal device may determine that the target allocation mode is the second power allocation mode.
  • the terminal device may further determine the target power allocation method in combination with the type of the PUSCH, for example, if the PUSCH is the first type of PUSCH, That is, the SRS corresponding to the PUSCH is configured with an associated CSI-RS, and the terminal device may determine that the target power allocation mode is the second power allocation mode, or if the PUSCH is a second type of PUSCH, that is, the SRS corresponding to the PUSCH If the associated CSI-RS is not configured, the terminal device may determine that the target power allocation mode is the first power allocation mode.
  • the terminal device may determine the target power allocation method according to the capability information reported by the existing terminal device. For example, whether the PUSCH of the terminal device supports the association between SRS and CSI-RS may be Used to indicate the target power allocation method. For example, the terminal device may determine that the target power allocation method is the second power allocation method when the PUSCH supports the association of the SRS and the CSI-RS, or the PUSCH does not support the SRS and the CSI-RS. During the association, it is determined that the target power allocation mode is the first power allocation mode.
  • the capability information of the terminal device may be directed to the capability information of all PUSCHs, or the capability information of the terminal device may distinguish the first type and the second type of PUSCH, that is, the first type of PUSCH And the second type of PUSCH respectively correspond to corresponding capability information.
  • Embodiment 2 Determine a target power allocation method according to a protocol version of a terminal device
  • the second power allocation method is introduced in a first protocol version, such as public version 16 (Rel-16), and the terminal device may determine the target power allocation when the protocol version of the terminal device is earlier than the first protocol version.
  • the method is the first power allocation method, or when the protocol version of the terminal device is the first protocol version or later, the target power allocation method is determined to be the second power allocation method.
  • the terminal device may further configure whether to associate the CSI-RS with the SRS corresponding to the first PUSCH.
  • the terminal device determines that the target power allocation mode is the second power allocation mode, or that the target power allocation mode corresponds to the first PUSCH.
  • the associated SRS is not configured with an associated CSI-RS, and it is determined that the target power allocation mode is the first power allocation mode.
  • Embodiment 3 Determine the target power allocation mode according to the network configuration
  • the network device may configure a target power allocation mode for the terminal device to send the PUSCH.
  • the network device may send the first configuration information to the terminal device, and the first configuration information may be used to indicate the target power allocation mode, that is, the network device may explicitly configure the target allocation mode.
  • the first configuration The information includes an attribute field, which is used to indicate the target power allocation mode, for example, the first power allocation mode or the second power allocation mode.
  • the network device can also implicitly configure the target power allocation method. For example, when the attribute field is not configured, it can be used to indicate the default power allocation method. When the attribute field is configured, it indicates other power allocation methods.
  • the default power allocation mode may be a first power allocation mode or a second power allocation mode.
  • the first configuration information may be carried in Radio Resource Control (RRC) signaling, or a Media Access Control (MAC) control element (Control Element (CE), or Downlink Control Information (DCI) and other downlink information, downlink messages, or downlink channels.
  • RRC Radio Resource Control
  • MAC Media Access Control
  • DCI Downlink Control Information
  • the first configuration information may be carried in the configuration information of the PUSCH, that is, the first configuration information may be carried in the configuration information of the PUSCH.
  • the first configuration information may be carried in the configuration information of the SRS resource set corresponding to the PUSCH, that is, the first configuration information may be carried in the configuration information of the SRS resource set.
  • the network device may also implicitly indicate the target power allocation mode through a radio network temporary identifier (RNTI) that scrambles the PDCCH.
  • RNTI radio network temporary identifier
  • the RNTI may be associated with power allocation.
  • the modes have a corresponding relationship, so that the terminal device can determine the power allocation mode configured by the network device according to the RNTI that scrambles the PDCCH in combination with the corresponding relationship.
  • the network device may determine that the target power allocation mode is the first power allocation mode, or if the network device is configured The power allocation mode is the second power allocation mode, and the terminal device may determine that the target power allocation mode is the second power allocation mode.
  • the terminal device may also determine the target power allocation mode according to the type of the PUSCH. For example, if the PUSCH For a PUSCH of the first type, the terminal device may determine that the target power allocation method is the second power allocation method, or if the PUSCH is a second type of PUSCH, the terminal device may determine that the target power allocation method is the first Power distribution method.
  • Embodiment 4 determining the target power allocation mode according to the corresponding relationship
  • the type and power allocation method of the PUSCH may have a corresponding relationship.
  • the PUSCH of the first type corresponds to the second power allocation mode
  • the PUSCH of the second type corresponds to the first power allocation mode. Therefore, the terminal The device may determine the target power allocation mode according to the type of the PUSCH.
  • the corresponding relationship may be agreed by the protocol, or the corresponding relationship may be configured by a network device, which is not limited in the embodiment of the present application.
  • the terminal device if the SRS corresponding to the first PUSCH is not configured with an associated CSI-RS, the terminal device does not expect to use the second power allocation method to send the first PUSCH.
  • the protocol may also stipulate a power allocation mode that is not expected to be used by the PUSCH.
  • the power allocation mode that is not expected to be used by the first type of PUSCH is the second power allocation mode
  • the power allocation that is not expected to be used by the second type of PUSCH The mode is the first power allocation mode.
  • the power allocation method according to the embodiment of the present application is described in detail from the perspective of a terminal device with reference to FIG. 2 above.
  • the power allocation method according to another embodiment of the application is described in detail from the perspective of a network device with reference to FIG. 3 below. It should be understood that the description on the network device side and the description on the terminal device side correspond to each other. Similar descriptions can be referred to above. To avoid repetition, details are not repeated here.
  • FIG. 3 is a schematic flowchart of a power allocation method 300 according to another embodiment of the present application.
  • the method 300 may be executed by a network device in the communication system shown in FIG. 1. As shown in FIG. 3, the method 300 includes As follows:
  • the network device sends first configuration information to the terminal device, where the first configuration information is used by the terminal device to determine a target power allocation mode among at least two power allocation modes.
  • the at least two power allocation modes include a first power allocation mode and a second power allocation mode, wherein the first power allocation mode is used to instruct to multiply the total transmit power by the first A target power obtained by a scale factor is allocated to each port, and the second power allocation mode is different from the first power allocation mode.
  • the first scale factor is determined according to the number of configured ports and the number of ports actually transmitted;
  • the second power allocation mode is used to indicate that the total transmit power is directly allocated to each port, or the second power allocation mode is used to indicate that the total transmit power is multiplied by a second scale factor to obtain The target power is allocated to each port, where the first scale factor and the second scale factor are determined differently.
  • the method further includes:
  • the network device receives capability information of the terminal device sent by the terminal device, and the capability information of the terminal device is used to determine the first configuration information.
  • the capability information of the terminal device is used to include at least one of the following:
  • the information related to the transmit power of the terminal device includes at least one of the following: the maximum transmit power of a single port, and the total transmit power of multiple ports.
  • the capability information of the terminal device is for all PUSCHs, or the capability information of the terminal device corresponds to a PUSCH of a first type or a PUSCH of a second type, where the first The SRS corresponding to the type of PUSCH is configured with an associated CSI-RS, and the SRS corresponding to the second type of PUSCH is not configured with an associated CSI-RS.
  • the first configuration information includes an attribute field, where the attribute field is used to indicate a power allocation mode configured by the network device, or if the attribute field is not configured with a power allocation mode, The terminal device determines that the default power allocation mode is the target allocation mode.
  • the default power allocation mode is a first power allocation mode or a second power allocation mode.
  • the first configuration information is carried in radio resource control RRC signaling, media access control MAC control element CE, or downlink control information DCI.
  • the RRC signaling is used to configure the first PUSCH, and the first configuration information is carried in the configuration information of the first PUSCH; or, the RRC signaling is used For configuring the SRS corresponding to the first PUSCH, the first configuration information is carried in the configuration information of the SRS corresponding to the first PUSCH.
  • the first configuration information is a radio network temporary identifier RNTI that scrambles a physical downlink control channel PDCCH, where different RNTIs correspond to corresponding power allocation modes.
  • the terminal device if the SRS corresponding to the first PUSCH is not configured with an associated CSI-RS, the terminal device does not expect to use the second power allocation method to send the first PUSCH.
  • the type of PUSCH corresponds to the second power allocation method
  • the PUSCH of the second type corresponds to the first power allocation method.
  • the SRS corresponding to one type of PUSCH is configured with an associated CSI-RS
  • the SRS corresponding to the second type of PUSCH is not configured with an associated CSI-RS.
  • the SRS corresponding to the PUSCH of the first type is configured with an associated CSI-RS
  • the SRS corresponding to the PUSCH of the second type is not configured with an associated CSI-RS.
  • FIG. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • a determining module 410 configured to determine a target power allocation mode among at least two power allocation modes
  • the transmit power on each port of the first physical uplink shared channel PUSCH based on the non-codebook is determined.
  • the at least two power allocation modes include a first power allocation mode and a second power allocation mode, wherein the first power allocation mode is used to instruct to multiply the total transmit power by the first A target power obtained by a scale factor is allocated to each port, and the second power allocation mode is different from the first power allocation mode.
  • the first scale factor is determined according to the number of configured ports and the number of ports actually transmitted;
  • the second power allocation method is used to indicate that the total transmit power is directly allocated to each port, or the second power allocation method is used to indicate that the total transmit power is multiplied by a second scale factor.
  • Target power is allocated to each of the ports, where the first scale factor and the second scale factor are determined in different ways.
  • the determining module 410 is specifically configured to:
  • the capability information of the terminal device is used to include at least one of the following:
  • the information related to the transmit power of the terminal device includes at least one of the following: the maximum transmit power of a single port, and the total transmit power of multiple ports.
  • the capability information of the terminal device is for all PUSCHs, or the capability information of the terminal device corresponds to a PUSCH of a first type or a PUSCH of a second type, wherein the first type
  • the SRS corresponding to the PUSCH is configured with an associated CSI-RS
  • the SRS corresponding to the second type of PUSCH is not configured with an associated CSI-RS.
  • the determining module 410 is further configured to:
  • Determining the target power allocation mode according to whether an SRS corresponding to the first PUSCH is configured with an associated CSI-RS.
  • the determining module 410 is further configured to:
  • the first PUSCH supports the second power allocation mode, determining that the target power allocation mode of the first PUSCH is the second power allocation mode;
  • the target power allocation mode is determined according to whether an SRS corresponding to the first PUSCH is configured with an associated CSI-RS.
  • the determining module 410 is further configured to:
  • the determining module 410 is specifically configured to:
  • the protocol version of the terminal device is earlier than the first protocol version, determining that the target power allocation mode is the first power allocation mode
  • the protocol version of the terminal device is later than or the first protocol version, determining that the target power allocation mode is the second power allocation mode; or
  • the protocol version of the terminal device is later than or the first protocol version, determining the target power allocation mode according to whether an SRS corresponding to the first PUSCH is configured with an associated CSI-RS;
  • the first protocol version supports the second power allocation method.
  • the determining module 410 is further configured to:
  • the determining module 410 is specifically configured to:
  • the first configuration information indicates that the first power allocation mode is adopted, determining that the target power allocation mode of the first PUSCH is the first power allocation mode;
  • the first configuration information indicates that a second power allocation mode is adopted, determining that the target power allocation mode of the first PUSCH is the second power allocation mode;
  • the target power allocation mode is determined according to whether an SRS corresponding to the first PUSCH is configured with an associated CSI-RS.
  • the first configuration information includes an attribute field, where the attribute field is used to indicate a power allocation mode configured by a network device, or if the attribute field is not configured with a power allocation mode, the terminal The device determines that the default power allocation mode is the target allocation mode.
  • the default power allocation mode is the first power allocation mode or the second power allocation mode.
  • the first configuration information is carried in radio resource control RRC signaling, media access control MAC control element CE, or downlink control information DCI.
  • the RRC signaling is used to configure the first PUSCH, and the first configuration information is carried in the configuration information of the first PUSCH; or, the RRC signaling is used For configuring the SRS corresponding to the first PUSCH, the first configuration information is carried in the configuration information of the SRS corresponding to the first PUSCH.
  • the first configuration information is a radio network temporary identifier RNTI that scrambles a physical downlink control channel PDCCH, wherein different RNTIs correspond to corresponding power allocation modes, and the determining module further uses to:
  • the determining module 410 is specifically configured to:
  • the SRS corresponding to the first PUSCH is configured with an associated CSI-RS, determining that the target power allocation mode of the first PUSCH is the second power allocation mode;
  • the target power allocation mode of the first PUSCH is the first power allocation mode.
  • the terminal device if the SRS corresponding to the first PUSCH is not configured with an associated CSI-RS, the terminal device does not expect to use the second power allocation method to send the first PUSCH.
  • the PUSCH of the first type corresponds to the second power allocation mode
  • the PUSCH of the second type corresponds to the first power allocation mode
  • the determining module 410 is specifically configured to:
  • the first PUSCH is a PUSCH of a first type, determining that the target power allocation mode is a second power allocation mode;
  • the target power allocation mode is the first power allocation mode.
  • the SRS corresponding to the PUSCH of the first type is configured with an associated CSI-RS
  • the SRS corresponding to the PUSCH of the second type is not configured with an associated CSI-RS.
  • FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 in FIG. 5 includes:
  • the communication module 510 is configured to send first configuration information to a terminal device, where the first configuration information is used by the terminal device to determine a target power allocation mode among at least two power allocation modes.
  • the at least two power allocation modes include a first power allocation mode and a second power allocation mode, wherein the first power allocation mode is used to instruct to multiply the total transmit power by the first A target power obtained by a scale factor is allocated to each port, and the second power allocation mode is different from the first power allocation mode.
  • the first scale factor is determined according to the number of configured ports and the number of ports actually transmitted;
  • the second power allocation mode is used to indicate that the total transmit power is directly allocated to each port, or the second power allocation mode is used to indicate that the total transmit power is multiplied by a second scale factor to obtain The target power is allocated to each port, where the first scale factor and the second scale factor are determined differently.
  • the communication module 510 is further configured to:
  • the network device receives capability information of the terminal device sent by the terminal device, and the capability information of the terminal device is used to determine the first configuration information.
  • the capability information of the terminal device is used to include at least one of the following:
  • the information related to the transmit power of the terminal device includes at least one of the following: the maximum transmit power of a single port, and the total transmit power of multiple ports.
  • the capability information of the terminal device is for all PUSCHs, or the capability information of the terminal device corresponds to a PUSCH of a first type or a PUSCH of a second type, where the first The SRS corresponding to the type of PUSCH is configured with an associated CSI-RS, and the SRS corresponding to the second type of PUSCH is not configured with an associated CSI-RS.
  • the first configuration information includes an attribute field, where the attribute field is used to indicate a power allocation mode configured by the network device, or if the attribute field is not configured with a power allocation mode, The terminal device determines that the default power allocation mode is the target allocation mode.
  • the default power allocation mode is a first power allocation mode or a second power allocation mode.
  • the first configuration information is carried in radio resource control RRC signaling, media access control MAC control element CE, or downlink control information DCI.
  • the RRC signaling is used to configure the first PUSCH, and the first configuration information is carried in the configuration information of the first PUSCH; or, the RRC signaling is used For configuring the SRS corresponding to the first PUSCH, the first configuration information is carried in the configuration information of the SRS corresponding to the first PUSCH.
  • the first configuration information is a radio network temporary identifier RNTI that scrambles a physical downlink control channel PDCCH, where different RNTIs correspond to corresponding power allocation modes.
  • the terminal device if the SRS corresponding to the first PUSCH is not configured with an associated CSI-RS, the terminal device does not expect to use the second power allocation method to send the first PUSCH.
  • the type of PUSCH corresponds to the second power allocation method
  • the PUSCH of the second type corresponds to the first power allocation method.
  • the SRS corresponding to one type of PUSCH is configured with an associated CSI-RS
  • the SRS corresponding to the second type of PUSCH is not configured with an associated CSI-RS.
  • FIG. 6 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device 600 shown in FIG. 6 includes a processor 610, and the processor 610 can 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, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to the embodiment of the present application, and the communication device 600 may implement a corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, details are not described herein again. .
  • the communication device 600 may specifically be a mobile terminal / terminal device in the embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application. , Will not repeat them here.
  • FIG. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 7 includes a processor 710, and the processor 710 may call and run a computer program from a 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. Specifically, the processor 710 may obtain information or data sent by the other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 may control the output interface 740 to communicate with other devices or chips. Specifically, the processor 710 may output information or data to the other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application. For simplicity, here No longer.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • FIG. 8 is a schematic block diagram of a communication system 900 according to an embodiment of the present application. As shown in FIG. 8, the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 may be used to implement the corresponding functions implemented by the terminal device 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 in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field, Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing 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 may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (Double 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, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • 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 process implemented by the network device in each method in the embodiment of the present application. No longer.
  • the computer-readable storage medium may be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program causes the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application For the sake of brevity, I won't repeat them here.
  • An embodiment of the present application further 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 instruction causes the computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
  • the computer program product can be applied to a mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application, For brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • the computer program may be applied to a mobile terminal / terminal device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer executes each method in the embodiment of the application by the mobile terminal / terminal device. The corresponding processes are not repeated here for brevity.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or 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, which may be 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, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may 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 this application is essentially a part that contributes to the existing technology or a 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 perform all or part of the steps of the method described in the 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 disks or optical disks and other media that can store program codes .

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

Abstract

L'invention concerne un procédé de distribution de puissance, un dispositif terminal, et un dispositif de réseau, aptes à réaliser une sélection flexible d'une solution de distribution de puissance. Le procédé comprend les étapes suivantes : un dispositif terminal détermine un mode d'attribution de puissance cible parmi au moins deux modes d'attribution de puissance ; d'après le mode d'attribution de puissance cible, le dispositif terminal détermine la puissance d'émission sur chaque port d'un premier canal physique partagé de liaison montante (PUSCH) non sur la base d'un livre-code.
PCT/CN2018/108070 2018-09-27 2018-09-27 Procédé de distribution de puissance, dispositif terminal, et dispositif de réseau Ceased WO2020061942A1 (fr)

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PCT/CN2018/108070 WO2020061942A1 (fr) 2018-09-27 2018-09-27 Procédé de distribution de puissance, dispositif terminal, et dispositif de réseau
CN201880003224.4A CN109644468B (zh) 2018-09-27 2018-09-27 功率分配的方法、终端设备和网络设备

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CN120835369A (zh) * 2024-04-18 2025-10-24 华为技术有限公司 功率分配方法及装置

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