WO2019127462A1 - 无线通信方法、终端设备和网络设备 - Google Patents

无线通信方法、终端设备和网络设备 Download PDF

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Publication number
WO2019127462A1
WO2019127462A1 PCT/CN2017/120125 CN2017120125W WO2019127462A1 WO 2019127462 A1 WO2019127462 A1 WO 2019127462A1 CN 2017120125 W CN2017120125 W CN 2017120125W WO 2019127462 A1 WO2019127462 A1 WO 2019127462A1
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WO
WIPO (PCT)
Prior art keywords
srs resource
resource set
tpc information
terminal device
signaling
Prior art date
Application number
PCT/CN2017/120125
Other languages
English (en)
French (fr)
Inventor
史志华
陈文洪
张治�
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to AU2017445532A priority Critical patent/AU2017445532A1/en
Priority to JP2020533293A priority patent/JP2021515425A/ja
Priority to CN201780098062.2A priority patent/CN111543108A/zh
Priority to KR1020207020694A priority patent/KR20200103038A/ko
Priority to EP17936091.2A priority patent/EP3731591A4/en
Priority to PCT/CN2017/120125 priority patent/WO2019127462A1/zh
Publication of WO2019127462A1 publication Critical patent/WO2019127462A1/zh
Priority to US16/902,525 priority patent/US11425663B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/32TPC of broadcast or control channels
    • H04W52/325Power control of control or pilot channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC 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
    • H04W52/367Power values between minimum and maximum limits, e.g. dynamic range
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/42TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/54Signalisation aspects of the TPC commands, e.g. frame structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the field of communications, and more particularly, to a wireless communication method, a terminal device, and a network device.
  • a terminal device may be configured with a Sounding Reference Signal (SRS) resource set.
  • the terminal device may transmit the SRS by using the SRS resource in the SRS resource set.
  • SRS Sounding Reference Signal
  • the embodiments of the present application provide a wireless communication method and device, which can implement power control in terms of SRS transmission.
  • a wireless communication method including:
  • the terminal device acquires a maximum transmit power and/or transmit power control TPC information corresponding to each SRS resource set in the at least one sounding reference signal SRS resource set;
  • the acquiring, by the terminal device, the maximum transmit power corresponding to each SRS resource set includes:
  • the terminal device acquires a first maximum transmit power, and the first maximum transmit power is applicable to each of the SRS resource sets.
  • the acquiring, by the terminal device, the first maximum transmit power includes:
  • the first maximum transmit power is determined according to a power level of the terminal device and configuration information of the network device.
  • the acquiring, by the terminal device, the maximum sending power corresponding to each SRS resource set includes:
  • the power value obtained by dividing the second maximum power by a specific value is determined as a maximum transmission power corresponding to each SRS resource set, where the specific value is greater than or equal to the SRS resource set corresponding to the at least one SRS resource set. Quantity.
  • the acquiring the second maximum transmit power includes:
  • the acquiring, by the terminal device, the maximum transmit power corresponding to each SRS resource set includes:
  • the acquiring, by the terminal device, the TPC information corresponding to each SRS resource set includes:
  • each signaling in the at least one signaling is corresponding to an arrangement order indication of the at least one signaling Collection of SRS resources; or,
  • Each signaling is associated with the first indication information, and is used to indicate a corresponding SRS resource set.
  • the acquiring, by the terminal device, the TPC information corresponding to each SRS resource set includes:
  • TPC information corresponding to each SRS resource set from the at least one TPC information field corresponding to the at least one SRS resource set.
  • each TPC information domain in the at least one TPC information domain is in the at least one TPC information domain.
  • the ranking order indicates a corresponding SRS resource set; or,
  • Each of the TPC information fields is associated with the second indication information, and is used to indicate a corresponding SRS resource set.
  • the method further includes:
  • Receiving refers to the third indication information, where the third indication information is used to indicate a TPC information field corresponding to the terminal device and/or a TPC information field corresponding to the SRS resource set of the terminal device.
  • the signaling that carries the at least one TPC information domain is applicable to a terminal device group.
  • the at least one SRS resource set corresponds to at least one antenna panel, and different SRS resource sets of different panels are different. .
  • a wireless communication method including:
  • the network device determines at least one transmit power control TPC information, the at least one TPC information corresponding to the at least one SRS resource set;
  • the network device sends the at least one TPC information to the terminal device.
  • each signaling carries a TPC message.
  • the at least one signaling, the signaling sequence indication of the at least one signaling Corresponding SRS resource collection in a possible implementation manner of the second aspect, the at least one signaling, the signaling sequence indication of the at least one signaling Corresponding SRS resource collection.
  • each of the signaling is associated with the first indication information, and is used to indicate a corresponding SRS resource set.
  • the at least one TPC information is carried in at least one TPC information domain of a single signaling, each TPC The information domain carries a TPC message.
  • each TPC information domain in the at least one TPC information domain is in the at least one TPC information domain.
  • the ranking order indicates a corresponding set of SRS resources.
  • the each TPC information field is associated with the second indication information, and is used to indicate a corresponding SRS resource set.
  • the method further includes:
  • the third indication information is used to indicate a TPC information field corresponding to the terminal device and/or a TPC information field corresponding to the SRS resource set of the terminal device.
  • the single signaling is applicable to a terminal device group.
  • a terminal device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the terminal device comprises functional modules for performing the method of the first aspect or any of the possible implementations of the first aspect described above.
  • a network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the network device comprises functional modules for performing the method of any of the possible implementations of the second aspect or the second aspect described above.
  • a terminal device including a processor, a memory, and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the terminal device performs any of the above first aspect or any possible implementation of the first aspect The method in .
  • a network device including a processor, a memory, and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the network device performs any of the second or second aspects of the foregoing possible implementations The method in .
  • a computer readable medium for storing a computer program, the computer program comprising instructions for performing the above method or any possible implementation.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of the above method or any possible implementation.
  • the terminal device acquires corresponding maximum transmit power and/or transmit power control (TPC) information for each SRS resource set in the at least one SRS resource set, and may implement SRS transmission.
  • TPC transmit power control
  • the power control of the SRS can be simultaneously transmitted by multiple panels, and the interference of the uplink is reduced.
  • FIG. 1 is a schematic diagram of a wireless communication system in accordance with an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a wireless communication 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 system chip in accordance with an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a communication device in accordance with an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UPD Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 100 can be a device that communicates with a terminal device.
  • Network device 100 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area.
  • the network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device can be a relay station, an access point, an in-vehicle device, a wearable device, A network side device in a future 5G network or a network device in a publicly available Public Land Mobile Network (PLMN) in the future.
  • PLMN Public Land Mobile Network
  • the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110.
  • Terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • D2D device to device communication
  • D2D device to device
  • the 5G system or network may also be referred to as a New Radio (NR) system or network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
  • a terminal device may have one or more antenna array blocks for uplink data transmission, each antenna array block having an independent radio frequency channel.
  • a Demodulation Reference Signal (DMRS) port group corresponds to an antenna array block, and after determining the transmission parameters of an antenna array block, the terminal device can transmit the corresponding DMRS port group on the antenna array block. The data on it.
  • DMRS Demodulation Reference Signal
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application.
  • the method 200 includes at least a portion of the following.
  • the terminal device acquires maximum transmit power and/or transmit power control (TPC) information corresponding to each SRS resource set in the at least one SRS resource set.
  • TPC transmit power control
  • the terminal device may be configured with at least one SRS resource set.
  • Each SRS resource set may include multiple SRS resources, and each SRS resource may be an independently configured SRS resource, and different SRS resources may have independent configurations. Different SRS resources may be different in the SRS transmission period, the SRS triggering mode, and the number of symbols occupied by each SRS transmission.
  • the SRS resources in the same SRS resource set may be the same in at least one configuration.
  • the different sets of SRS resources may be different in at least one configuration, for example, a sending period of the SRS, a triggering manner of the SRS, or a number of symbols occupied by each SRS sending.
  • the terminal device may be configured with at least one antenna panel, and each antenna panel may be configured with one or more SRS resource sets for transmitting the SRS through the antenna panel.
  • the at least one SRS resource set in 210 may correspond to one or more antenna panels, and the SRS resource sets corresponding to different antenna panels may be the same or different.
  • the at least one SRS resource set in 210 may be a set of all SRS resources available to the terminal device, or may be a partial SRS resource set available to the terminal device.
  • a millimeter-wave NR terminal there may be different antenna panels, and different beamforming forms on each panel point to different directions, and signals can be simultaneously transmitted.
  • the terminal device sends the SRS by using the SRS resource in each SRS resource set based on the maximum transmit power and/or TPC information corresponding to each SRS resource set.
  • the terminal device acquires a first maximum transmit power, where the first maximum transmit power is applicable to each of the SRS resource sets.
  • the terminal device may be a set of at least one SRS resource, and jointly determine a maximum transmit power.
  • the terminal device sends the SRS by using each SRS resource set in the at least one SRS resource set, the maximum transmit power used is the same.
  • the terminal device determines the first maximum transmit power according to the power level of the terminal device and the configuration information of the network device.
  • the terminal device may determine the first maximum transmit power by referring to its own power level and at least one parameter of the network device configuration.
  • the terminal device acquires a second maximum transmit power, and the power value obtained by dividing the second maximum power by a specific value is determined as a maximum transmit power corresponding to each SRS resource set, where the specific The value is greater than or equal to the number of SRS resource sets corresponding to the at least one SRS resource set.
  • the specific value may be equal to the number of antenna panels of the terminal device, and the antenna panel of the terminal device may be in one-to-one correspondence with the SRS resource set. Alternatively, the specific number may also be equal to the largest set of SRS resources available to the terminal device. Alternatively, the specific number may also be equal to the number of SRS resource sets available for transmission through the antenna panel of the terminal device.
  • the terminal device determines the second maximum transmit power according to the power level of the terminal device and the configuration information of the network device.
  • the terminal device may determine the second maximum transmit power by referring to its own power level and at least one parameter configured by the network device.
  • the maximum transmit power corresponding to each SRS resource set or each SRS resource set group is independently determined according to the power class of the terminal device and the configuration information of the network device.
  • the SRS resource set group may include at least one SRS resource set, where the at least one SRS set mentioned in 210 may belong to at least one SRS resource set group, and the terminal device may be according to the power level of the terminal device.
  • Each SRS resource set group determines the maximum transmit power.
  • the TPC information corresponding to each SRS resource set is separately obtained from at least one signaling corresponding to the at least one SRS resource set.
  • the at least one signaling may be in one-to-one correspondence with the at least one SRS resource set, and each signaling may carry TPC information corresponding to the corresponding SRS resource set.
  • the network device may send at least one signaling in each sending period, and the signaling that determines the TPC information corresponding to the at least one SRS resource set may belong to the same sending period, or may belong to different sending periods.
  • the signaling mentioned in the embodiment of the present application may be physical layer signaling, and may be Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • other signaling may also be used.
  • the network device may implicitly or display a set of SRS resources corresponding to each signaling.
  • each signaling in the at least one signaling indicates a corresponding SRS resource set in an arrangement order of the at least one signaling.
  • the first signaling may correspond to the SRS resource set 1
  • the second signaling may correspond to the SRS resource set 2
  • the third signaling may correspond to the SRS resource set 3
  • the fourth The signaling may correspond to the SRS resource set 4.
  • each signaling is associated with the first indication information, and is used to indicate a corresponding SRS resource set.
  • each signaling may include first indication information for indicating a corresponding SRS resource set.
  • the TPC information corresponding to each SRS resource set is separately obtained from at least one TPC information field corresponding to the at least one SRS resource set.
  • the at least one information domain may belong to the same signaling or may belong to different signaling.
  • the network device may implicitly or display a set of SRS resources corresponding to each information domain.
  • an arrangement order of each TPC information field in the at least one TPC information field in the at least one TPC information field indicates a corresponding SRS resource set.
  • the network device sends a TPC command to the terminal device through the DCI.
  • TPC fields There are K TPC fields in this DCI, then field 1 corresponds to set 1, field 2 corresponds to set 2, ..., and field K corresponds to set K.
  • the first information field may correspond to the SRS resource set 1
  • the second information field may correspond to the SRS resource set 2
  • the third information domain may correspond to the SRS resource set 3.
  • the fourth information field may correspond to the SRS resource set 4.
  • each of the TPC information fields is associated with the second indication information, and is used to indicate a corresponding SRS resource set.
  • each TPC information field may include second indication information for indicating a corresponding SRS resource set.
  • the network device sends a TPC command to the UE through the DCI.
  • the signaling carrying the at least one TPC information domain is applicable to the terminal device group.
  • the terminal device receives the third indication information that is sent by the network device, where the third indication information is used to indicate the TPC information field corresponding to the terminal device and/or the TPC information field corresponding to the SRS resource set of the terminal device. .
  • the network device may indicate, in the third indication information, which of the plurality of terminal devices are their corresponding information domains, or indicate a correspondence between the SRS resource set of the single terminal device and the TPC information domain.
  • the network device sends a TPC command to a group of UEs through the DCI, where multiple TPC information, different TPC information may belong to different UEs, or different SRS resource sets of the same UE.
  • the network device simultaneously configures the number of the TPC information in the DCI corresponding to the SRS resource set k of the UE through the high layer signaling.
  • the terminal device acquires corresponding maximum transmit power and/or transmit power control (TPC) information for each SRS resource set in the at least one SRS resource set, and may implement SRS transmission.
  • TPC transmit power control
  • the power control of the SRS can be simultaneously transmitted by multiple panels, and the interference of the uplink is reduced.
  • FIG. 3 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application.
  • the method 300 includes at least a portion of the following.
  • the network device determines at least one TPC information, the at least one TPC information corresponding to the at least one SRS resource set.
  • the network device sends the at least one TPC information to the terminal device.
  • the at least one TPC information is carried in at least one signaling, and each signaling carries one TPC information.
  • the order of each signaling in the at least one signaling in the at least one signaling indicates a corresponding set of SRS resources.
  • each signaling is associated with the first indication information, and is used to indicate a corresponding SRS resource set.
  • the at least one TPC information is carried in at least one TPC information domain of a single signaling, and each TPC information domain carries one TPC information.
  • an arrangement order of each TPC information field in the at least one TPC information field in the at least one TPC information field indicates a corresponding SRS resource set.
  • each of the TPC information fields is associated with the second indication information, and is used to indicate a corresponding SRS resource set.
  • the network device sends the third indication information, where the third indication information is used to indicate a TPC information field corresponding to the terminal device and/or a TPC information field corresponding to the SRS resource set of the terminal device.
  • the single signaling is applicable to a group of terminal devices.
  • FIG. 4 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application. As shown in FIG. 4, the terminal device 400 includes a processing unit 410 and a communication unit 420;
  • the processing unit 410 is configured to: obtain a maximum transmit power and/or transmit power control TPC information corresponding to each SRS resource set in the at least one sounding reference signal SRS resource set;
  • the communication unit 420 is configured to: according to the maximum transmit power and/or TPC information corresponding to each SRS resource set, use the SRS resource in each SRS resource set to send the SRS.
  • processing unit 410 is further configured to:
  • the first maximum transmit power being applicable to each set of SRS resources.
  • processing unit 410 is further configured to:
  • the first maximum transmit power is determined according to the power level of the terminal device and the configuration information of the network device.
  • processing unit 410 is further configured to:
  • the power value obtained by dividing the second maximum power by the specific value is determined as the maximum transmission power corresponding to each SRS resource set, and the specific value is greater than or equal to the number of SRS resource sets corresponding to the at least one SRS resource set.
  • processing unit 410 is further configured to:
  • the second maximum transmit power is determined according to the power level of the terminal device and the configuration information of the network device.
  • processing unit 410 is further configured to:
  • the maximum transmit power corresponding to each SRS resource set or each SRS resource set group is independently determined according to the power level of the terminal device and the configuration information of the network device.
  • processing unit 410 is further configured to:
  • TPC information corresponding to each SRS resource set from the at least one signaling corresponding to the at least one SRS resource set.
  • each signaling in the at least one signaling indicates a corresponding SRS resource set in an arrangement order of the at least one signaling
  • Each signaling is associated with the first indication information, and is used to indicate a corresponding SRS resource set.
  • processing unit 410 is further configured to:
  • TPC information corresponding to each SRS resource set from at least one TPC information field corresponding to the at least one SRS resource set.
  • an arrangement order of each TPC information field in the at least one TPC information field in the at least one TPC information field indicates a corresponding SRS resource set
  • Each TPC information field is associated with the second indication information, and is used to indicate a corresponding SRS resource set.
  • the communication unit 420 is further configured to:
  • the receiving refers to the third indication information, where the third indication information is used to indicate the TPC information field corresponding to the terminal device and/or the TPC information field corresponding to the SRS resource set of the terminal device.
  • the signaling carrying the at least one TPC information domain is applicable to the terminal device group.
  • the at least one SRS resource set corresponds to at least one antenna panel, and the different SRS resource sets of different panels are different.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 400 respectively implement the method shown in FIG. 2 .
  • the corresponding process of the terminal device in 200 is not described here for brevity.
  • FIG. 5 is a schematic block diagram of a network device 500 in accordance with an embodiment of the present application.
  • the network device 500 includes a processing unit 510 and a communication unit 520.
  • the processing unit 510 is configured to: determine at least one transmit power control TPC information, where the at least one TPC information corresponds to at least one SRS resource set; the communication
  • the unit 520 is configured to: send the at least one TPC information to the terminal device.
  • the at least one TPC information is carried in at least one signaling, and each signaling carries one TPC information.
  • each signaling in the at least one signaling indicates a corresponding SRS resource set in an arrangement order of the at least one signaling.
  • each signaling is associated with the first indication information, and is used to indicate a corresponding SRS resource set.
  • the at least one TPC information is carried in at least one TPC information domain of a single signaling, and each TPC information domain carries one TPC information.
  • an arrangement order of each TPC information field in the at least one TPC information field in the at least one TPC information field indicates a corresponding SRS resource set.
  • each TPC information field is associated with the second indication information, and is used to indicate a corresponding SRS resource set.
  • the communication unit 520 is further configured to:
  • the third indication information is used to indicate a TPC information field corresponding to the terminal device and/or a TPC information field corresponding to the SRS resource set of the terminal device.
  • the single signaling is applicable to the terminal device group.
  • the network device 500 may correspond to the network device in the method embodiment of the present application, and the above operations and/or functions of the respective units in the network device 500 respectively implement the method shown in FIG.
  • the corresponding process of the network device in 300 is not described here for brevity.
  • FIG. 6 is a schematic structural diagram of a system chip 600 according to an embodiment of the present application.
  • the system chip 600 of FIG. 6 includes an input interface 601, an output interface 602, the processor 603, and a memory 604 that can be connected by an internal communication connection line.
  • the processor 603 is configured to execute code in the memory 604.
  • the processor 603 when the code is executed, the processor 603 implements a method performed by the terminal device in the method embodiment. For the sake of brevity, it will not be repeated here.
  • the processor 603 when the code is executed, the processor 603 implements a method performed by the network device in the method embodiment. For the sake of brevity, it will not be repeated here.
  • FIG. 7 is a schematic block diagram of a communication device 700 in accordance with an embodiment of the present application.
  • the communication device 700 includes a processor 710 and a memory 720.
  • the memory 720 can store program code, and the processor 710 can execute the program code stored in the memory 720.
  • the communication device 700 can include a transceiver 730 that can control the transceiver 730 to communicate externally.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the terminal device in the method embodiment.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the terminal device in the method embodiment.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the network device in the method embodiment.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the network device in the method embodiment.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • 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 or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the memory in the embodiments 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 (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate SDRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Connection Dynamic Random Access Memory
  • DR RAM direct memory bus random access memory
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • 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, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请实施例提供了一种无线通信方法和设备,可以在SRS传输方面,实现功率控制。该方法包括:终端设备获取至少一个探测参考信号SRS资源集合中每个SRS资源集合对应的最大发送功率和/或发射功率控制TPC信息;基于所述每个SRS资源集合对应的最大发送功率和/或TPC信息,采用所述每个SRS资源集合中的SRS资源,发送SRS。

Description

无线通信方法、终端设备和网络设备 技术领域
本申请涉及通信领域,并且更具体地,涉及一种无线通信方法、终端设备和网络设备。
背景技术
在新无线(New Radio,NR)系统中,终端设备可以配置有探测参考信号(Sounding Reference Signal,SRS)资源集合。终端设备可以利用SRS资源集合中的SRS资源发送SRS。
在NR系统中,在SRS传输方面,如何进行功率控制是一项亟待解决的问题。
发明内容
本申请实施例提供了一种无线通信方法和设备,可以在SRS传输方面,实现功率控制。
第一方面,提供了一种无线通信方法,包括:
终端设备获取至少一个探测参考信号SRS资源集合中每个SRS资源集合对应的最大发送功率和/或发射功率控制TPC信息;
基于所述每个SRS资源集合对应的最大发送功率和/或TPC信息,采用所述每个SRS资源集合中的SRS资源,发送SRS。
结合第一方面,在第一方面的一种可能的实现方式中,所述终端设备获取所述每个SRS资源集合对应的最大发送功率,包括:
所述终端设备获取第一最大发送功率,所述第一最大发送功率适用于所述每个SRS资源集合。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述终端设备获取第一最大发送功率,包括:
根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第一最大发送功率。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述终端设备获取所述每个SRS资源集合对应的最大发送功 率,包括:
获取第二最大发送功率;
将所述第二最大功率除以特定数值得到的功率值,确定为所述每个SRS资源集合对应的最大发送功率,所述特定数值大于等于所述至少一个SRS资源集合对应的SRS资源集合的数量。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述获取第二最大发送功率,包括:
根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第二最大发送功率。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述终端设备获取所述每个SRS资源集合对应的最大发送功率,包括:
根据所述终端设备的功率等级和/网络设备的配置信息,分别独立确定所述每个SRS资源集合或者每个SRS资源集合组对应的最大发送功率。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述终端设备获取所述每个SRS资源集合对应的TPC信息,包括:
从与所述至少一个SRS资源集合对应的至少一个信令中,分别获取所述每个SRS资源集合对应的TPC信息。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述至少一个信令中每个信令在所至少一个信令的排列次序指示对应的SRS资源集合;或,
所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述终端设备获取所述每个SRS资源集合对应的TPC信息,包括:
从与所述至少一个SRS资源集合对应的至少一个TPC信息域中,分别获取所述每个SRS资源集合对应的TPC信息。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合;或,
所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述方法还包括:
接收指第三示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,承载所述至少一个TPC信息域的信令适用于终端设备组。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述至少一个SRS资源集合对应于至少一个天线面板,不同面板对应的SRS资源集合不同。
第二方面,提供了一种无线通信方法,包括:
网络设备确定至少一个发送功率控制TPC信息,所述至少一个TPC信息对应于至少一个SRS资源集合;
所述网络设备向终端设备发送所述至少一个TPC信息。
结合第二方面,在第二令中,每个信令承载一个TPC信息。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述至少一个信令中每个信令在所述至少一个信令的排列次序指示对应的SRS资源集合。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述至少一个TPC信息承载于单个信令的至少一个TPC信息域中,每个TPC信息域承载一个TPC信息。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述方法还包括:
发送第三指示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述单个信令适用于终端设备组。
第三方面,提供了一种终端设备,用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地,所述终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的功能模块。
第四方面,提供了一种网络设备,用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地,所述网络设备包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的功能模块。
第五方面,提供了一种终端设备,包括处理器、存储器和收发器。所述处理器、所述存储器和所述收发器之间通过内部连接通路互相通信,传递控制和/或数据信号,使得所述终端设备执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第六方面,提供了一种网络设备,包括处理器、存储器和收发器。所述处理器、所述存储器和所述收发器之间通过内部连接通路互相通信,传递控制和/或数据信号,使得所述网络设备执行上述第二方面或第二方面的任意可能的实现方式中的方法。
第七方面,提供了一种计算机可读介质,用于存储计算机程序,所述计算机程序包括用于执行上述方法或任意可能的实现方式中的指令。
第八方面,提供了一种包括指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述方法或任意可能的实现方式中的方法。
因此,在本申请实施例中,终端设备针对至少一个SRS资源集合中每个SRS资源集合获取对应的最大发送功率和/或发射功率控制(transmit power control,TPC)信息,可以实现SRS传输方面的功率控制。并且在多天线面板,且每个面板对应不同的SRS资源集合时,可以实现多面板同时发送SRS的功率控制,降低上行链路的干扰。
附图说明
图1是根据本申请实施例的无线通信系统的示意性图。
图2是根据本申请实施例的无线通信方法的示意性流程图。
图3是根据本申请实施例的无线通信方法的示意性流程图。
图4是根据本申请实施例的终端设备的示意性框图。
图5是根据本申请实施例的网络设备的示意性框图。
图6是根据本申请实施例的系统芯片的示意性框图。
图7是根据本申请实施例的通信设备的示意性框图。
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。
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,简称为“GSM”)系统、码分多址(Code Division Multiple Access,简称为“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access,简称为“WCDMA”)系统、通用分组无线业务(General Packet Radio Service,简称为“GPRS”)、长期演进(Long Term Evolution,简称为“LTE”)系统、LTE频分双工(Frequency Division Duplex,简称为“FDD”)系统、LTE时分双工(Time Division Duplex,简称为“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System,简称为“UMTS”)、全球互联微波接入(Worldwide Interoperability for Microwave Access,简称为“WiMAX”)通信系统或未来的5G系统等。
图1示出了本申请实施例应用的无线通信系统100。该无线通信系统100可以包括网络设备110。网络设备100可以是与终端设备通信的设备。网络设备100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设备(例如UE)进行通信。可选地,该网络设备100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中继站、接入点、车载设备、可穿戴设备、未来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。
该无线通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。终端设备120可以是移动的或固定的。可选地,终端设备120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、未来5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地,终端设备120之间可以进行终端直连(Device to Device,D2D)通信。
可选地,5G系统或网络还可以称为新无线(New Radio,NR)系统或网络。
图1示例性地示出了一个网络设备和两个终端设备,可选地,该无线通信系统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设备,本申请实施例对此不做限定。
在无线通信系统100中,终端设备可以有一个或多个天线阵列块用于上行数据传输,每个天线阵列块有独立的射频通道。一个解调参考信号(Demodulation Reference Signal,简称“DMRS”)端口组对应一个天线阵列块,终端设备在确定一个天线阵列块的传输参数之后,就可以在这一天线阵列块上传输相应DMRS端口组上的数据。
可选地,该无线通信系统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。
图2是根据本申请实施例的无线通信方法200的示意性流程图。该方法 200包括以下内容中的至少部分内容。
在210中,终端设备获取至少一个SRS资源集合中每个SRS资源集合对应的最大发送功率和/或发射功率控制(transmit power control,TPC)信息。
具体地,终端设备可以配置有至少一个SRS资源集合。其中,每个SRS资源集合可以包括多个SRS资源,每个SRS资源可以是具有独立配置的SRS资源,不同的SRS资源之间可以具有独立的配置。不同的SRS资源之间可以在SRS的发送周期,SRS的触发方式,每次SRS发送所占用的符号数量等方面不同。其中,同一SRS资源集合中的SRS资源可以在至少一种配置方面相同。
其中,不同的SRS资源集合可以在至少一个配置方面不同,例如,可以SRS的发送周期,SRS的触发方式或每次SRS发送所占用的符号数量等。
可选地,终端设备可以配置有至少一个天线面板(antenna panel),每个天线面板可以配置有一个或多个SRS资源集合,用于在通过该天线面板发送SRS。
可选地,在210中的至少一个SRS资源集合可以对应于一个或多个天线面板,不同的天线面板对应的SRS资源集合可以相同,也可以不同。
应理解,在210中的至少一个SRS资源集合可以是终端设备可用的全部SRS资源集合,也可以是终端设备可用的部分SRS资源集合。
对于毫米波的NR终端,可以有不同多个天线面板,每个面板上形成不同的波束赋型指向不同的方向,可以同时发送信号。
在终端设备存在多个天线面板的情况下,如果同时发送信号,需要进行功率控制。
在220中,终端设备基于所述每个SRS资源集合对应的最大发送功率和/或TPC信息,采用所述每个SRS资源集合中的SRS资源,发送SRS。
为了便于更加清楚地理解本申请,以下将针对各个SRS资源集合,如何确定对应的最大发送功率进行详细说明。
在一种实现方式中,所述终端设备获取第一最大发送功率,所述第一最大发送功率适用于所述每个SRS资源集合。
具体地,终端设备可以为至少一个SRS资源集合,共同确定一个最大发送功率,在终端设备利用至少一个SRS资源集合中的每个SRS资源集合发送SRS时,所采用的最大发送功率相同。
可选地,终端设备根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第一最大发送功率。
具体地,终端设备可以参照自身的功率等级,以及网络设备配置的至少一个参数,确定该第一最大发送功率。
在一种实现方式中,终端设备获取第二最大发送功率;将所述第二最大功率除以特定数值得到的功率值,确定为所述每个SRS资源集合对应的最大发送功率,所述特定数值大于等于所述至少一个SRS资源集合对应的SRS资源集合的数量。
其中,该特定数值可以等于终端设备的天线面板的数量,以及终端设备的天线面板可以与SRS资源集合一一对应。或者,该特定数量也可以等于终端设备可用的最大的SRS资源集合。或者,该特定数量也可以等于可用于通过终端设备的天线面板发送SRS资源集合的数量。
可选地,所述终端设备根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第二最大发送功率。
具体地,终端设备可以参照自身的功率等级,以及网络设备配置的至少一个参数,确定该第二最大发送功率。
在另一种实现方式中,根据所述终端设备的功率等级和/网络设备的配置信息,分别独立确定所述每个SRS资源集合或者每个SRS资源集合组对应的最大发送功率。
其中,该每个SRS资源集合组可以包括至少一个SRS资源集合,其中,在210中提到的至少一个SRS集合可以隶属于至少一个SRS资源集合组,终端设备可以根据终端设备的功率等级可以为每个SRS资源集合组确定最大发送功率。
为了便于更加清楚地理解本申请,以下将针对各个SRS资源集合,如何确定对应的TPC进行详细说明。
在一种实现方式中,从与所述至少一个SRS资源集合对应的至少一个信令中,分别获取所述每个SRS资源集合对应的TPC信息。
其中,至少一个信令可以与至少一个SRS资源集合一一对应,每个信令可以承载有各自对应的SRS资源集合对应的TPC信息。
其中,网络设备可以在每个发送周期发送至少一个信令,在确定至少一个SRS资源集合对应的TPC信息的信令可以属于同一发送周期,也可以属 于不同的发送周期。
可选地,本申请实施例提到的信令可以是物理层信令,可以是下行控制信息(Downlink Control Information,DCI),当然,也可以是其他信令。
可选地,网络设备可以隐式或显示指示各个信令对应的SRS资源集合。
可选地,所述至少一个信令中每个信令在所至少一个信令的排列次序指示对应的SRS资源集合。
例如,存在4个信令,第一个信令可以对应于SRS资源集合1,第2个信令可以对应于SRS资源集合2,第3个信令可以对应于SRS资源集合3,第4个信令可以对应于SRS资源集合4。
可选地,所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
具体地,每个信令可以包括第一指示信息,用于指示对应的SRS资源集合。
在一种实现方式中,从与所述至少一个SRS资源集合对应的至少一个TPC信息域中,分别获取所述每个SRS资源集合对应的TPC信息。
其中,该至少一个信息域可以属于同一信令,也可以属于不同的信令。
可选地,网络设备可以隐式或显示指示各个信息域对应的SRS资源集合。
可选地,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合。
例如,网络设备通过DCI发送TPC指令给终端设备。在这个DCI中有K个TPC field,则field 1对应集合1,field 2对应集合2,…,field K对应集合K。
例如,存在4个信息域(filed),第一个信息域可以对应于SRS资源集合1,第2个信息域可以对应于SRS资源集合2,第3个信息域可以对应于SRS资源集合3,第4个信息域可以对应于SRS资源集合4。
可选地,所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
具体地,每个TPC信息域可以包括第二指示信息,用于指示对应的SRS资源集合。
例如,网络设备通过DCI发送TPC指令给UE。在这个DCI中,有M(M<=K)个field,每个field包含TPC field,同时关联一个set的编号k。其 中M可以通过预设在终端设备上,或者通过网络高层配置确定。
可选地,承载所述至少一个TPC信息域的信令适用于终端设备组。
可选地,终端设备接收网络设备发送的第三指示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
具体地,网络设备可以在第三指示信息中指示多个终端设备中的各个终端设备哪些是其对应的信息域,或者,指示单个终端设备其的SRS资源集合与TPC信息域的对应关系。
例如,网络设备通过DCI发送TPC指令给一组UE,其中多个TPC信息,不同的TPC信息可以属于不同的UE,或者同一个UE的不同的SRS资源集合(resource set)。
其中,网络设备通过高层信令同时配置UE其SRS resource set k对应的DCI中的TPC信息的编号。
因此,在本申请实施例中,终端设备针对至少一个SRS资源集合中每个SRS资源集合获取对应的最大发送功率和/或发射功率控制(transmit power control,TPC)信息,可以实现SRS传输方面的功率控制。并且在多天线面板,且每个面板对应不同的SRS资源集合时,可以实现多面板同时发送SRS的功率控制,降低上行链路的干扰。
图3是根据本申请实施例的无线通信方法300的示意性流程图。该方法300包括以下内容中的至少部分内容。
在310中,网络设备确定至少一个TPC信息,所述至少一个TPC信息对应于至少一个SRS资源集合。
在320中,所述网络设备向终端设备发送所述至少一个TPC信息。
可选地,所述至少一个TPC信息承载于至少一个信令中,每个信令承载一个TPC信息。
可选地,所述至少一个信令中每个信令在所述至少一个信令的排列次序指示对应的SRS资源集合。
可选地,所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
可选地,所述至少一个TPC信息承载于单个信令的至少一个TPC信息域中,每个TPC信息域承载一个TPC信息。
可选地,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合。
可选地,所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
可选地,网络设备发送第三指示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
可选地,所述单个信令适用于终端设备组。
图4是根据本申请实施例的终端设备400的示意性框图。如图4所示,该终端设备400包括处理单元410和通信单元420;其中,
该处理单元410用于:获取至少一个探测参考信号SRS资源集合中每个SRS资源集合对应的最大发送功率和/或发射功率控制TPC信息;
该通信单元420用于:基于该每个SRS资源集合对应的最大发送功率和/或TPC信息,采用该每个SRS资源集合中的SRS资源,发送SRS。
可选地,该处理单元410进一步用于:
获取第一最大发送功率,该第一最大发送功率适用于该每个SRS资源集合。
可选地,该处理单元410进一步用于:
根据该终端设备的功率等级和/网络设备的配置信息,确定该第一最大发送功率。
可选地,该处理单元410进一步用于:
获取第二最大发送功率;
将该第二最大功率除以特定数值得到的功率值,确定为该每个SRS资源集合对应的最大发送功率,该特定数值大于等于该至少一个SRS资源集合对应的SRS资源集合的数量。
可选地,该处理单元410进一步用于:
根据该终端设备的功率等级和/网络设备的配置信息,确定该第二最大发送功率。
可选地,该处理单元410进一步用于:
根据该终端设备的功率等级和/网络设备的配置信息,分别独立确定该每个SRS资源集合或者每个SRS资源集合组对应的最大发送功率。
可选地,该处理单元410进一步用于:
从与该至少一个SRS资源集合对应的至少一个信令中,分别获取该每个SRS资源集合对应的TPC信息。
可选地,该至少一个信令中每个信令在所至少一个信令的排列次序指示对应的SRS资源集合;或,
该每个信令关联第一指示信息,用于指示对应的SRS资源集合。
可选地,该处理单元410进一步用于:
从与该至少一个SRS资源集合对应的至少一个TPC信息域中,分别获取该每个SRS资源集合对应的TPC信息。
可选地,该至少一个TPC信息域中每个TPC信息域在该至少一个TPC信息域的排列次序指示对应的SRS资源集合;或,
该每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
可选地,该通信单元420进一步用于:
接收指第三示信息,该第三指示信息用于指示该终端设备对应的TPC信息域和/或该终端设备的SRS资源集合对应的TPC信息域。
可选地,承载该至少一个TPC信息域的信令适用于终端设备组。
可选地,该至少一个SRS资源集合对应于至少一个天线面板,不同面板对应的SRS资源集合不同。
应理解,根据本申请实施例的终端设备400可对应于本申请方法实施例中的终端设备,并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图2所示方法200中终端设备的相应流程,为了简洁,在此不再赘述。
图5是根据本申请实施例的网络设备500的示意性框图。如图5所示,该网络设备500包括处理单元510和通信单元520;该处理单元510用于:确定至少一个发送功率控制TPC信息,该至少一个TPC信息对应于至少一个SRS资源集合;该通信单元520用于:向终端设备发送该至少一个TPC信息。
可选地,该至少一个TPC信息承载于至少一个信令中,每个信令承载一个TPC信息。
可选地,该至少一个信令中每个信令在该至少一个信令的排列次序指示对应的SRS资源集合。
可选地,该每个信令关联第一指示信息,用于指示对应的SRS资源集合。
可选地,该至少一个TPC信息承载于单个信令的至少一个TPC信息域中,每个TPC信息域承载一个TPC信息。
可选地,该至少一个TPC信息域中每个TPC信息域在该至少一个TPC信息域的排列次序指示对应的SRS资源集合。
可选地,该每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
可选地,该通信单元520进一步用于:
发送第三指示信息,该第三指示信息用于指示该终端设备对应的TPC信息域和/或该终端设备的SRS资源集合对应的TPC信息域。
可选地,该单个信令适用于终端设备组。
应理解,根据本申请实施例的网络设备500可对应于本申请方法实施例中的网络设备,并且网络设备500中的各个单元的上述和其它操作和/或功能分别为了实现图3所示方法300中网络设备的相应流程,为了简洁,在此不再赘述。
图6是本申请实施例的系统芯片600的一个示意性结构图。图6的系统芯片600包括输入接口601、输出接口602、该处理器603以及存储器604之间可以通过内部通信连接线路相连,该处理器603用于执行该存储器604中的代码。
可选地,当该代码被执行时,该处理器603实现方法实施例中由终端设备执行的方法。为了简洁,在此不再赘述。
可选地,当该代码被执行时,该处理器603实现方法实施例中由网络设备执行的方法。为了简洁,在此不再赘述。
图7是根据本申请实施例的通信设备700的示意性框图。如图7所示,该通信设备700包括处理器710和存储器720。其中,该存储器720可以存储有程序代码,该处理器710可以执行该存储器720中存储的程序代码。
可选地,如图7所示,该通信设备700可以包括收发器730,处理器710可以控制收发器730对外通信。
可选地,该处理器710可以调用存储器720中存储的程序代码,执行方法实施例中的终端设备的相应操作,为了简洁,在此不再赘述。
可选地,该处理器710可以调用存储器720中存储的程序代码,执行方 法实施例中的网络设备的相应操作,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。
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 (44)

  1. 一种无线通信方法,其特征在于,包括:
    终端设备获取至少一个探测参考信号SRS资源集合中每个SRS资源集合对应的最大发送功率和/或发射功率控制TPC信息;
    基于所述每个SRS资源集合对应的最大发送功率和/或TPC信息,采用所述每个SRS资源集合中的SRS资源,发送SRS。
  2. 根据权利要求1所述的方法,其特征在于,所述终端设备获取所述每个SRS资源集合对应的最大发送功率,包括:
    所述终端设备获取第一最大发送功率,所述第一最大发送功率适用于所述每个SRS资源集合。
  3. 根据权利要求2所述的方法,其特征在于,所述终端设备获取第一最大发送功率,包括:
    根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第一最大发送功率。
  4. 根据权利要求1所述的方法,其特征在于,所述终端设备获取所述每个SRS资源集合对应的最大发送功率,包括:
    获取第二最大发送功率;
    将所述第二最大功率除以特定数值得到的功率值,确定为所述每个SRS资源集合对应的最大发送功率,所述特定数值大于等于所述至少一个SRS资源集合对应的SRS资源集合的数量。
  5. 根据权利要求4所述的方法,其特征在于,所述获取第二最大发送功率,包括:
    根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第二最大发送功率。
  6. 根据权利要求1所述的方法,其特征在于,所述终端设备获取所述每个SRS资源集合对应的最大发送功率,包括:
    根据所述终端设备的功率等级和/网络设备的配置信息,分别独立确定所述每个SRS资源集合或者每个SRS资源集合组对应的最大发送功率。
  7. 根据权利要求1至6中任一项所述的方法,其特征在于,所述终端设备获取所述每个SRS资源集合对应的TPC信息,包括:
    从与所述至少一个SRS资源集合对应的至少一个信令中,分别获取所述 每个SRS资源集合对应的TPC信息。
  8. 根据权利要求7所述的方法,其特征在于,所述至少一个信令中每个信令在所至少一个信令的排列次序指示对应的SRS资源集合;或,
    所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
  9. 根据权利要求1至6中任一项所述的方法,其特征在于,所述终端设备获取所述每个SRS资源集合对应的TPC信息,包括:
    从与所述至少一个SRS资源集合对应的至少一个TPC信息域中,分别获取所述每个SRS资源集合对应的TPC信息。
  10. 根据权利要求9所述的方法,其特征在于,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合;或,
    所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
  11. 根据权利要求9或10所述的方法,其特征在于,所述方法还包括:
    接收指第三示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
  12. 根据权利要求9至11中任一项所述的方法,其特征在于,承载所述至少一个TPC信息域的信令适用于终端设备组。
  13. 根据权利要求1至12中任一项所述的方法,其特征在于,所述至少一个SRS资源集合对应于至少一个天线面板,不同面板对应的SRS资源集合不同。
  14. 一种无线通信方法,其特征在于,包括:
    网络设备确定至少一个发送功率控制TPC信息,所述至少一个TPC信息对应于至少一个SRS资源集合;
    所述网络设备向终端设备发送所述至少一个TPC信息。
  15. 根据权利要求14所述的方法,其特征在于,所述至少一个TPC信息承载于至少一个信令中,每个信令承载一个TPC信息。
  16. 根据权利要求15所述的方法,其特征在于,所述至少一个信令中每个信令在所述至少一个信令的排列次序指示对应的SRS资源集合。
  17. 根据权利要求15所述的方法,其特征在于,所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
  18. 根据权利要求14所述的方法,其特征在于,所述至少一个TPC信息承载于单个信令的至少一个TPC信息域中,每个TPC信息域承载一个TPC信息。
  19. 根据权利要求18所述的方法,其特征在于,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合。
  20. 根据权利要求18所述的方法,其特征在于,所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
  21. 根据权利要18至20中任一项所述的方法,其特征在于,所述方法还包括:
    发送第三指示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
  22. 根据权利要求18至21中任一项所述的方法,其特征在于,所述单个信令适用于终端设备组。
  23. 一种终端设备,其特征在于,包括处理单元和通信单元;其中,
    所述处理单元用于:获取至少一个探测参考信号SRS资源集合中每个SRS资源集合对应的最大发送功率和/或发射功率控制TPC信息;
    所述通信单元用于:基于所述每个SRS资源集合对应的最大发送功率和/或TPC信息,采用所述每个SRS资源集合中的SRS资源,发送SRS。
  24. 根据权利要求23所述的设备,其特征在于,所述处理单元进一步用于:
    获取第一最大发送功率,所述第一最大发送功率适用于所述每个SRS资源集合。
  25. 根据权利要求24所述的设备,其特征在于,所述处理单元进一步用于:
    根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第一最大发送功率。
  26. 根据权利要求23所述的设备,其特征在于,所述处理单元进一步用于:
    获取第二最大发送功率;
    将所述第二最大功率除以特定数值得到的功率值,确定为所述每个SRS 资源集合对应的最大发送功率,所述特定数值大于等于所述至少一个SRS资源集合对应的SRS资源集合的数量。
  27. 根据权利要求26所述的设备,其特征在于,所述处理单元进一步用于:
    根据所述终端设备的功率等级和/网络设备的配置信息,确定所述第二最大发送功率。
  28. 根据权利要求23所述的设备,其特征在于,所述处理单元进一步用于:
    根据所述终端设备的功率等级和/网络设备的配置信息,分别独立确定所述每个SRS资源集合或者每个SRS资源集合组对应的最大发送功率。
  29. 根据权利要求23至28中任一项所述的设备,其特征在于,所述处理单元进一步用于:
    从与所述至少一个SRS资源集合对应的至少一个信令中,分别获取所述每个SRS资源集合对应的TPC信息。
  30. 根据权利要求29所述的设备,其特征在于,所述至少一个信令中每个信令在所至少一个信令的排列次序指示对应的SRS资源集合;或,
    所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
  31. 根据权利要求23至28中任一项所述的设备,其特征在于,所述处理单元进一步用于:
    从与所述至少一个SRS资源集合对应的至少一个TPC信息域中,分别获取所述每个SRS资源集合对应的TPC信息。
  32. 根据权利要求31所述的设备,其特征在于,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合;或,
    所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
  33. 根据权利要求31或32所述的设备,其特征在于,所述通信单元进一步用于:
    接收指第三示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
  34. 根据权利要求31至33中任一项所述的设备,其特征在于,承载所 述至少一个TPC信息域的信令适用于终端设备组。
  35. 根据权利要求23至34中任一项所述的设备,其特征在于,所述至少一个SRS资源集合对应于至少一个天线面板,不同面板对应的SRS资源集合不同。
  36. 一种网络设备,其特征在于,包括处理单元和通信单元;
    所述处理单元用于:确定至少一个发送功率控制TPC信息,所述至少一个TPC信息对应于至少一个SRS资源集合;
    所述通信单元用于:向终端设备发送所述至少一个TPC信息。
  37. 根据权利要求36所述的设备,其特征在于,所述至少一个TPC信息承载于至少一个信令中,每个信令承载一个TPC信息。
  38. 根据权利要求37所述的设备,其特征在于,所述至少一个信令中每个信令在所述至少一个信令的排列次序指示对应的SRS资源集合。
  39. 根据权利要求37所述的设备,其特征在于,所述每个信令关联第一指示信息,用于指示对应的SRS资源集合。
  40. 根据权利要求36所述的设备,其特征在于,所述至少一个TPC信息承载于单个信令的至少一个TPC信息域中,每个TPC信息域承载一个TPC信息。
  41. 根据权利要求40所述的设备,其特征在于,所述至少一个TPC信息域中每个TPC信息域在所述至少一个TPC信息域的排列次序指示对应的SRS资源集合。
  42. 根据权利要求40所述的设备,其特征在于,所述每个TPC信息域关联第二指示信息,用于指示对应的SRS资源集合。
  43. 根据权利要40至42中任一项所述的设备,其特征在于,所述通信单元进一步用于:
    发送第三指示信息,所述第三指示信息用于指示所述终端设备对应的TPC信息域和/或所述终端设备的SRS资源集合对应的TPC信息域。
  44. 根据权利要求40至43中任一项所述的设备,其特征在于,所述单个信令适用于终端设备组。
PCT/CN2017/120125 2017-12-29 2017-12-29 无线通信方法、终端设备和网络设备 WO2019127462A1 (zh)

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