WO2019157851A1 - 一种上行物理共享信道功率控制方法和终端 - Google Patents

一种上行物理共享信道功率控制方法和终端 Download PDF

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Publication number
WO2019157851A1
WO2019157851A1 PCT/CN2018/118703 CN2018118703W WO2019157851A1 WO 2019157851 A1 WO2019157851 A1 WO 2019157851A1 CN 2018118703 W CN2018118703 W CN 2018118703W WO 2019157851 A1 WO2019157851 A1 WO 2019157851A1
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WIPO (PCT)
Prior art keywords
pusch
parameter
transmission period
current transmission
terminal
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PCT/CN2018/118703
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English (en)
French (fr)
Inventor
林祥利
郑方政
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电信科学技术研究院有限公司
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Publication of WO2019157851A1 publication Critical patent/WO2019157851A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to an uplink physical shared channel power control method and a terminal.
  • the terminal may determine a downlink pilot used for path loss measurement by using a Sounding-reference-signal Resource Indication (SRI) to perform power control parameters, and Indicates which uplink beam is used for transmission, and the mapping relationship between the SRI and the Physical Uplink Shared Channel (PUSCH) power control parameters is configured by higher layer signaling.
  • SRI Sounding-reference-signal Resource Indication
  • PUSCH Physical Uplink Shared Channel
  • the SRI needs to be dynamically indicated in the Downlink Control Information (DCI), but in the DCI, whether or not the SRI is included is optional.
  • DCI Downlink Control Information
  • the PUSCH power control parameter cannot be determined in the prior art.
  • the embodiment of the present application provides an uplink physical shared channel power control method and a terminal, which are used to solve the problem that the PUSCH power control parameter cannot be determined in the prior art when the SCI information is not included in the DCI in the prior art.
  • the embodiment of the present application provides a method for controlling an uplink physical shared channel power, comprising: receiving, by a terminal, a downlink control message sent by a base station; and if the terminal determines that the downlink reference control message does not have a sounding reference signal resource indication SRI And determining, by the terminal, the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel PUSCH of the current transmission period; the PUSCH power control parameter is used by the terminal to determine, according to a preset algorithm, Transmit power of PUSCH.
  • the terminal determines, according to the service type of the uplink physical shared channel PUSCH of the current transmission period, the PUSCH power control parameter of the current transmission period, including: the terminal is based at least on the PUSCH of the current transmission period. a service type, determining a first parameter for power control; the terminal determining a second parameter for a path loss compensation parameter according to at least a service type of a PUSCH of a current transmission period; the terminal is based at least on a PUSCH of a current transmission period The type of service that determines the third parameter for closed loop power control.
  • the terminal determines, according to the service type of the PUSCH of the current transmission period, the first parameter for power control, including: the service type of the PUSCH according to the current transmission period, and the first Corresponding relationship, the PUSCH target power and the path loss compensation factor corresponding to the service type of the PUSCH of the current transmission period are determined; the first correspondence is a correspondence between the service type and the PUSCH target power and the path loss compensation factor; Determining, by the second correspondence, the PUSCH target power and the path loss compensation factor corresponding to the service type of the PUSCH of the current transmission period, the first parameter corresponding to the PUSCH of the current transmission period; the second correspondence is The correspondence between the first parameter and the PUSCH target power and the path loss compensation factor.
  • the first correspondence is preset or configured by high layer signaling of a base station; and the second correspondence is configured by high layer signaling of a base station.
  • the terminal determines, according to the service type of the PUSCH of the current transmission period, the second parameter used for the path loss compensation parameter, including: the service type of the PUSCH of the terminal according to the current transmission period. Determining the second parameter for path loss measurement from a reference signal of the downlink beam.
  • the terminal determines, according to a service type of the PUSCH of the current transmission period, the second parameter used for path loss measurement from a reference signal of a downlink beam, including: if the current transmission The service type of the periodic PUSCH is RACH Msg3 transmission, and the terminal determines that the sequence number of the reference signal used for the RACH Msg1 power configuration and the RACH Msg2 channel tracking compensation is the second parameter; or, if the current transmission period The service type of the PUSCH is based on grant transmission, and the terminal determines that the sequence number of the beam management reference signal in the downlink beam in which the UL grant is detected is the second parameter.
  • the terminal determines, according to the service type of the PUSCH of the current transmission period, a third parameter used for closed loop power control, including: if the service type of the PUSCH of the current transmission period is RACH Msg3 transmission The terminal resets the closed loop power of the RACH Msg3 and determines the third parameter; wherein the closed loop power control of the RACH Msg3 is reset based on the power setting of the RACH Msg1 and the power in the RACH Msg2 Controlling; if the service type of the PUSCH of the current transmission period is grant transmission, and the terminal configures two power control loops, the terminal determines the number of the closed loop control loop associated with the beam management reference signal of the downlink beam, as The third parameter.
  • a third parameter used for closed loop power control including: if the service type of the PUSCH of the current transmission period is RACH Msg3 transmission The terminal resets the closed loop power of the RACH Msg3 and determines the third parameter; wherein the closed loop power control of the
  • the terminal before the determining, by the terminal, the PUSCH power control parameter of the current transmission period, according to the service type of the uplink physical shared channel (PUSCH) of the current transmission period, the terminal further includes: determining, by the terminal, the terminal The serving cell is a non-scheduled serving cell.
  • PUSCH uplink physical shared channel
  • the uplink physical shared channel power control method further includes: if the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, and the serving cell where the terminal is located is non- When the serving cell is scheduled, the transmit power of the PUSCH is determined according to a pre-configured default value; the pre-configured default value is used to confirm a default value of a target power and a path loss compensation factor of the first parameter, and a default value of the second parameter.
  • the value and the third parameter; the pre-configured default value is configured by the higher layer parameter SRI-PUSCH Power Control-Mapping.
  • an embodiment of the present application provides a terminal, including:
  • a receiving unit configured to receive a downlink control message sent by the base station
  • a determining unit configured to determine, according to a service type of the uplink physical shared channel PUSCH of the current transmission period, a PUSCH power control parameter of the current transmission period, if it is determined that the sounding reference signal resource indication SRI does not exist in the downlink control message
  • the PUSCH power control parameter is used by the terminal to determine a transmit power of the PUSCH according to a preset algorithm.
  • the determining unit is specifically configured to: determine, according to at least a service type of the PUSCH of the current transmission period, a first parameter used for power control; and determine at least according to a service type of the PUSCH of the current transmission period. a second parameter for the path loss compensation parameter; determining a third parameter for closed loop power control based at least on a service type of the PUSCH of the current transmission period.
  • the determining unit is specifically configured to: determine, according to a service type of the PUSCH of the current transmission period, and a first correspondence, a preset corresponding to a service type of the PUSCH in the current transmission period.
  • a PUSCH target power and a preset path loss compensation factor a PUSCH target power and a preset path loss compensation factor
  • the first correspondence is a correspondence between a service type and a preset PUSCH target power and a path loss compensation factor
  • a PUSCH according to the second correspondence and the current transmission period The preset PUSCH target power corresponding to the service type, the preset path loss compensation factor, and the first parameter corresponding to the PUSCH of the current transmission period
  • the second correspondence is the first parameter and the preset PUSCH The correspondence between the target power and the preset path loss compensation factor.
  • the first correspondence is preset or configured by high layer signaling of a base station; and the second correspondence is configured by high layer signaling of a base station.
  • the determining unit is specifically configured to: determine, according to a service type of the PUSCH of the current transmission period, the second parameter used for path loss measurement from a reference signal of a downlink beam.
  • the determining unit is specifically configured to: if the service type of the PUSCH of the current transmission period is RACH Msg3 transmission, determine the power configuration for RACH Msg1 and the channel tracking compensation for RACH Msg2 The sequence number of the reference signal is the second parameter; or, if the service type of the PUSCH of the current transmission period is based on grant transmission, determining that the sequence number of the beam management reference signal in the downlink beam in which the UL grant is detected is the Two parameters.
  • the determining unit is specifically configured to: if the service type of the PUSCH of the current transmission period is RACH Msg3 transmission, reset the closed loop power of the RACH Msg3, and determine the a third parameter; wherein the closed loop power control of the RACH Msg3 is re-set based on the power setting of the RACH Msg1 and the power control in the RACH Msg2; if the service type of the PUSCH of the current transmission period is grant transmission, and the terminal
  • the two power control loops are configured, and the terminal determines the number of the closed loop control loop associated with the beam management reference signal of the downlink beam as the third parameter.
  • the determining unit is further configured to: before determining, according to the service type of the uplink physical shared channel PUSCH of the current transmission period, the terminal determines the PUSCH power control parameter of the current transmission period,
  • the serving cell where the terminal is located is a non-scheduled non-scheduled serving cell.
  • the determining unit is further configured to: when the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, and the serving cell where the terminal is located is non-scheduled When the cell is served, the transmit power of the PUSCH is determined according to a pre-configured default value; the pre-configured default value is used to confirm a default value of a target power and a path loss compensation factor of the first parameter, and a default value of the second parameter. And a third parameter; the pre-configured default value is configured by a high-level parameter SRI-PUSCH Power Control-Mapping.
  • an electronic device including:
  • At least one processor and,
  • transceiver and a memory communicatively coupled to the at least one processor;
  • the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform the first aspect, and any of the first aspects The method described in the possible implementation.
  • an embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores computer instructions, where the computer instructions are used to cause the computer to perform the first aspect, and the first aspect The method described in the possible implementation.
  • the terminal receives the downlink control message sent by the base station; if the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, that is, there is no relevant information indicating the PUSCH power control parameter in the downlink control message.
  • the terminal determines the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel PUSCH of the current transmission period.
  • the PUSCH power control parameter is used by the terminal to determine the transmit power of the PUSCH according to a preset algorithm. In this way, the PUSCH power control parameter of the current transmission period can be determined when the sounding reference signal resource indication SRI does not exist in the downlink control message, and the transmission power of the PUSCH can be determined.
  • FIG. 1 is a schematic flowchart of a method for controlling an uplink physical shared channel power according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • the PUCCH can perform power control on the PUSCH in the slot i on the carrier f of the serving cell c by the following formula (1):
  • P O_PUSCH, f, c (j) is a PUSCH target power configured on a higher layer of the carrier f, and is obtained by combining a cell-specific part and a UE-specific part;
  • PL f,c (q d ) is the path loss compensation parameter, and q d is the reference signal resource serial number used in the path loss measurement configured by the high layer signaling;
  • ⁇ TF,f,c (i) are power offset values
  • f f,c (i,l) is the closed-loop power adjustment parameter
  • l is the closed-loop power process number
  • the 5G system supports downlink and uplink beamforming transmission techniques. When multiple beamforming transmissions are used, corresponding downlink reference signals are respectively present on the downlink multiple beams for path loss estimation and downlink beam management.
  • the terminal needs to determine which one of the plurality of downlink reference signals is used for path loss measurement to determine a power control parameter setting of the PUSCH transmission; and determine a beam transmission of the uplink PUSCH corresponding to the downlink beam, and a closed loop power adjustment parameter Corresponding number.
  • the PUSCH power control parameter may be determined by the SCI indication information, and the mapping relationship between the SCI indication field and the power control parameter (eg, j, q d , l) is configured by the high layer signaling PUSCH Power Control-Mapping.
  • the terminal when multiple beam (multi-beam) transmission is configured, and when the SCI is not transmitted in the DCI, the terminal cannot determine the configuration of the PUSCH power control parameters (such as j, q d , l) in multiple beam transmissions.
  • the power control cannot be effectively performed, and the uplink beam matching the corresponding downlink beam cannot be effectively selected for transmission.
  • the embodiment of the present application provides a method for controlling PUSCH power, and the method can be applied to a terminal, such as a mobile phone, a tablet computer, a personal computer, a notebook computer, a wearable electronic device, and the like.
  • a terminal such as a mobile phone, a tablet computer, a personal computer, a notebook computer, a wearable electronic device, and the like.
  • the terminal implicitly determines relevant parameters for performing PUSCH power control.
  • FIG. 1 is a schematic flowchart showing a method for processing a message according to an embodiment of the present application. As shown in FIG. 2, the method includes the following steps:
  • Step 101 The terminal receives a downlink control message sent by the base station.
  • Step 102 If the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, the terminal determines the PUSCH power control parameter of the current transmission period according to at least the service type of the uplink physical shared channel PUSCH of the current transmission period; PUSCH power control The parameter is used by the terminal to determine the transmit power of the PUSCH according to a preset algorithm.
  • the terminal receives the downlink control message sent by the base station; if the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, that is, there is no relevant information indicating the PUSCH power control parameter in the downlink control message.
  • the terminal determines the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel PUSCH of the current transmission period.
  • the PUSCH power control parameter is used by the terminal to determine the transmit power of the PUSCH according to a preset algorithm. In this way, the PUSCH power control parameter of the current transmission period can be determined when the sounding reference signal resource indication SRI does not exist in the downlink control message, and the transmission power of the PUSCH can be determined.
  • the PUCCH power control parameter may be a parameter in the above formula (1), for example, any one or any of three parameters such as j, q d , and l in the above formula (1).
  • the terminal determines the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel (PUSCH) of the current transmission period, and may include any one or any of the following three conditions. :
  • the terminal determines a first parameter for power control according to at least a service type of the PUSCH of the current transmission period;
  • the first parameter may be j in the above formula (1);
  • the terminal determines a second parameter for the path loss compensation parameter according to at least the service type of the PUSCH of the current transmission period; the second parameter may be q d in the above formula (1);
  • the terminal determines a third parameter for closed loop power control according to at least a service type of the PUSCH of the current transmission period; the third parameter may be 1 in the above formula (1).
  • the terminal determines, according to the service type of the PUSCH of the current transmission period, the first parameter for power control, including: the PUSCH of the terminal according to the current transmission period. Determining a PUSCH target power and a path loss compensation factor corresponding to a service type of the PUSCH of the current transmission period, where the first correspondence is a service type, a PUSCH target power, and a path loss compensation factor Correspondence between them.
  • the terminal determines, according to the second correspondence and the PUSCH target power and the path loss compensation factor corresponding to the service type of the PUSCH of the current transmission period, the first parameter corresponding to the PUSCH of the current transmission period; wherein, the second correspondence is A correspondence between a parameter and a PUSCH target power and a path loss compensation factor.
  • the service type of the PUSCH may include, but is not limited to, a grant based transmission, a Semi-Persistent Scheduling (SPS) configuration transmission, or a Random Access Channel (RACH). Message 3 (Msg3) transmission, etc.
  • SPS Semi-Persistent Scheduling
  • RACH Random Access Channel
  • Msg3 Message 3
  • the first correspondence may be preset in the terminal, or may be configured by the high layer signaling of the base station; the second correspondence is configured by the high layer signaling of the base station.
  • the first correspondence is configured by the high layer signaling of the base station, and the high layer signaling of the base station configures the PUSCH target power and the path loss compensation factor corresponding to the service type of the multiple groups of PUSCH.
  • the PUSCH target power and the path loss compensation factor corresponding to the grant transmission may be determined according to the first correspondence, because the second correspondence is
  • the PUSCH target power and the path loss compensation factor corresponding to the plurality of first parameters are also configured, so that the first parameter corresponding to the PUSCH of the current transmission period can be determined, and thus, the formula (1) in the formula (1) can be determined.
  • the terminal determines, according to the service type of the PUSCH of the current transmission period, the second parameter used for the path loss compensation parameter, including: the terminal according to the service type of the PUSCH of the current transmission period, from the downlink beam A second parameter for path loss measurement is determined in the reference signal.
  • each downlink beam corresponds to its own reference signal and the mapping relationship between the downlink beam and the target transmit power of the uplink PUSCH beam
  • the mapping relationship can be configured by higher layer signaling, so that the target transmit power with the uplink PUSCH beam can be determined.
  • the matched downlink beam, and then the beam management reference signal in the associated downlink beam is used as an uplink beam for the parameter signal of the path loss measurement. In this way, it is possible to effectively select an uplink beam that matches the corresponding downlink beam for transmission.
  • the specific implementation manner of determining the second parameter includes any one of the following optional implementation manners:
  • the terminal determines that the sequence number of the reference signal used for the RACH Msg1 power configuration and the RACH Msg2 channel tracking compensation is the second parameter;
  • the reference signal in the embodiment of the present application may be a channel state information-reference signals (CSI-RS) or a Synchronisation Signal Block (SS block).
  • CSI-RS channel state information-reference signals
  • SS block Synchronisation Signal Block
  • the terminal determines that the sequence number of the beam management reference signal in the downlink beam that detects the UL grant is the second parameter.
  • the beam management reference signal in this embodiment of the present application may be a CSI-RS or an SS block.
  • the terminal determines the third parameter for the closed loop power control according to at least the service type of the PUSCH of the current transmission period, including the following two situations:
  • the terminal if the service type of the PUSCH of the current transmission period is RACH Msg3 transmission, the terminal resets the closed loop power of the RACH Msg3 and determines the third parameter; wherein the closed loop power control of the RACH Msg3 is reset based on Power setting of RACH Msg1 and power control in RACH Msg2;
  • the terminal determines the number of the closed loop control loop associated with the beam management reference signal of the downlink beam, as the third parameter. .
  • the mapping relationship between the beam management reference signal and one of the two closed loop power control loops is configured by the high layer signaling, and after the terminal determines the beam management reference signal of the downlink beam, the terminal can determine The number of its associated closed loop control loop.
  • the terminal before the terminal determines the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel (PUSCH) of the current transmission period, the terminal further includes: determining, by the terminal, that the serving cell where the terminal is located is a non-scheduled service. Community. That is, if the serving cell in which the terminal is located is a non-scheduled serving cell, and the sounding reference signal resource indicating SRI does not exist in the downlink control message, at least according to the service type of the uplink physical shared channel PUSCH of the terminal according to at least the current transmission period, Determining a PUSCH power control parameter of the current transmission period.
  • the terminal determines the PUSCH according to the preset default value. Transmit power; the pre-configured default value is used to confirm the default value of the target power and path loss compensation factor of the first parameter, the default value of the second parameter, and the third parameter.
  • the pre-configured default value is configured by the high-level parameter SRI-PUSCH Power Control-Mapping.
  • the terminal receives the downlink control message sent by the base station; if the terminal determines that there is no sounding reference signal resource indication SRI in the downlink control message, that is, there is no correlation indicating the PUSCH power control parameter in the downlink control message. And the terminal determines the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel PUSCH of the current transmission period.
  • the PUSCH power control parameter is used by the terminal to determine the transmit power of the PUSCH according to a preset algorithm. In this way, the PUSCH power control parameter of the current transmission period can be determined when the sounding reference signal resource indication SRI does not exist in the downlink control message, and the transmission power of the PUSCH can be determined.
  • FIG. 2 is a schematic structural diagram of a terminal according to an embodiment of the present application, where the terminal can implement the steps in any one or more corresponding methods as shown in FIG. 1 above.
  • the terminal 200 may include a receiving unit 201 and a determining unit 202. among them:
  • the receiving unit 201 is configured to receive a downlink control message sent by the base station;
  • the determining unit 202 is configured to determine, according to the service type of the uplink physical shared channel PUSCH of the current transmission period, the PUSCH power control of the current transmission period, if it is determined that the sounding reference signal resource indication SRI does not exist in the downlink control message.
  • the PUSCH power control parameter is used by the terminal to determine a transmit power of the PUSCH according to a preset algorithm.
  • the determining unit 202 is specifically configured to: determine, according to at least a service type of the PUSCH of the current transmission period, a first parameter used for power control; and determine, according to at least a service type of the PUSCH of the current transmission period, a second parameter of the loss compensation parameter; determining a third parameter for closed loop power control based at least on a service type of the PUSCH of the current transmission period.
  • the determining unit 202 is configured to: determine, according to the service type of the PUSCH of the current transmission period, and the first correspondence, the preset PUSCH target power corresponding to the service type of the PUSCH in the current transmission period. a preset path loss compensation factor; the first correspondence is a correspondence between the service type and the preset PUSCH target power and the path loss compensation factor; and the PUCH service type according to the second correspondence and the current transmission period Determining, by the preset preset PUSCH target power, a preset path loss compensation factor, a first parameter corresponding to the PUSCH of the current transmission period; the second correspondence is a first parameter and a preset PUSCH target power, The correspondence between preset path loss compensation factors.
  • the first correspondence is preset or configured by high layer signaling of the base station; and the second correspondence is configured by high layer signaling of the base station.
  • the determining unit 202 is configured to: determine, according to a service type of the PUSCH of the current transmission period, the second parameter used for path loss measurement from a reference signal of a downlink beam.
  • the determining unit 202 is specifically configured to: if the service type of the PUSCH of the current transmission period is RACH Msg3 transmission, determine a reference signal used for RACH Msg1 power configuration and for RACH Msg2 channel tracking compensation The sequence number is the second parameter; or, if the service type of the PUSCH of the current transmission period is based on grant transmission, determining that the sequence number of the beam management reference signal in the downlink beam in which the UL grant is detected is the second parameter.
  • the determining unit 202 is configured to: when the service type of the PUSCH of the current transmission period is RACH Msg3, reset the closed loop power of the RACH Msg3, and determine the third parameter.
  • the closed loop power control of the RACH Msg3 is reset based on the power setting of the RACH Msg1 and the power control in the RACH Msg2; if the service type of the PUSCH of the current transmission period is grant transmission, and the terminal is configured with two For the power control loop, the terminal determines the number of the closed loop control loop associated with the beam management reference signal of the downlink beam as the third parameter.
  • the determining unit 202 is further configured to: determine, after the terminal determines the PUSCH power control parameter of the current transmission period, according to the service type of the uplink physical shared channel PUSCH of the current transmission period,
  • the serving cell is a non-scheduled serving cell.
  • the determining unit 202 is further configured to: when the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, and the serving cell where the terminal is located is a non-scheduled serving cell Determining, according to a pre-configured default value, a transmit power of the PUSCH; the pre-configured default value is used to confirm a default value of a target power and a path loss compensation factor of the first parameter, a default value of the second parameter, and a third The parameter; the pre-configured default value is configured by the high-level parameter SRI-PUSCH Power Control-Mapping.
  • the terminal receives the downlink control message sent by the base station; if the terminal determines that there is no sounding reference signal resource indication SRI in the downlink control message, that is, there is no correlation indicating the PUSCH power control parameter in the downlink control message. And the terminal determines the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel PUSCH of the current transmission period.
  • the PUSCH power control parameter is used by the terminal to determine the transmit power of the PUSCH according to a preset algorithm. In this way, the PUSCH power control parameter of the current transmission period can be determined when the sounding reference signal resource indication SRI does not exist in the downlink control message, and the transmission power of the PUSCH can be determined.
  • the present application provides an electronic device including at least one processor; and a transceiver and a memory communicatively coupled to the at least one processor; the memory being stored for execution by the at least one processor An instruction executed by the at least one processor to enable the at least one processor to perform the receiving processing method in the above embodiments.
  • FIG. 3 is a schematic structural diagram of an electronic device provided by the present application.
  • the electronic device includes a transceiver 301, a processor 302, a memory 303, and a communication interface 304; wherein the transceiver 301, the processor 302, the memory 303, and the communication interface 304 are connected to one another via a bus 305.
  • the memory 303 is used to store programs.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 303 may be a volatile memory, such as a random-access memory (RAM), or a non-volatile memory, such as a flash memory.
  • RAM random-access memory
  • non-volatile memory such as a flash memory.
  • HDD hard disk drive
  • SSD solid-state drive
  • the memory 303 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof:
  • Operation instructions include various operation instructions for implementing various operations.
  • Operating system Includes a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the bus 305 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus.
  • PCI peripheral component interconnect
  • EISA extended industry standard architecture
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 3, but it does not mean that there is only one bus or one type of bus.
  • the processor 302 can be a central processing unit (CPU), a network processor (NP) or a combination of a CPU and an NP. It can also be a hardware chip.
  • the hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof.
  • the PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL) or any combination.
  • the transceiver 301 is configured to receive a downlink control message sent by the base station.
  • the processor 302 is configured to read a program in the memory 303 and perform the following methods:
  • the terminal determines the PUSCH power control of the current transmission period according to at least the service type of the uplink physical shared channel PUSCH of the current transmission period.
  • the PUSCH power control parameter is used by the terminal to determine a transmit power of the PUSCH according to a preset algorithm.
  • the memory 303 is configured to store one or more executable programs, and may store data used by the processor 302 when performing operations.
  • the processor 302 is specifically configured to:
  • a third parameter for closed loop power control is determined based at least on a service type of the PUSCH of the current transmission period.
  • the processor 302 is configured to: determine, according to a service type of the PUSCH of the current transmission period, and a first correspondence, a preset PUSCH target power corresponding to the service type of the PUSCH in the current transmission period. a preset path loss compensation factor; the first correspondence is a correspondence between the service type and the preset PUSCH target power and the path loss compensation factor; and the PUCH service type according to the second correspondence and the current transmission period Determining, by the preset preset PUSCH target power, a preset path loss compensation factor, a first parameter corresponding to the PUSCH of the current transmission period; the second correspondence is a first parameter and a preset PUSCH target power, The correspondence between preset path loss compensation factors.
  • the first correspondence is preset or configured by high layer signaling of the base station; and the second correspondence is configured by high layer signaling of the base station.
  • the processor 302 is configured to: determine, according to a service type of the PUSCH of the current transmission period, the second parameter used for path loss measurement from a reference signal of a downlink beam.
  • the processor 302 is specifically configured to: if the service type of the PUSCH of the current transmission period is a RACH Msg3 transmission, determine a reference signal used for the RACH Msg1 power configuration and the RACH Msg2 channel tracking compensation.
  • the sequence number is the second parameter; or, if the service type of the PUSCH of the current transmission period is based on grant transmission, determining that the sequence number of the beam management reference signal in the downlink beam in which the UL grant is detected is the second parameter.
  • the processor 302 is specifically configured to:
  • the service type of the PUSCH of the current transmission period is RACH Msg3 transmission, resetting the closed loop power of the RACH Msg3, and determining the third parameter; wherein the closed loop power control of the RACH Msg3 is reset
  • the number of the closed loop control loop associated with the reference signal is managed as the third parameter.
  • processor 302 is further configured to:
  • Determining, by the terminal, the serving cell in which the terminal is located is a non-scheduled serving cell, before determining the PUSCH power control parameter of the current transmission period according to the service type of the uplink physical shared channel PUSCH of the current transmission period.
  • processor 302 is further configured to:
  • the terminal determines that the sounding reference signal resource indication SRI does not exist in the downlink control message, and the serving cell where the terminal is located is a non-scheduled serving cell, determining, according to the preset default value, the sending of the PUSCH Power; the pre-configured default value is used to confirm a default value of a target power and a path loss compensation factor of the first parameter, a default value of the second parameter, and a third parameter; the pre-configured default value is determined by a high-level parameter SRI- PUSCH Power Control-Mapping is configured.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本申请实施例涉及通信技术领域，尤其涉及一种上行物理共享信道功率控制方法和终端，用以实现用以解决现有技术中当DCI中没有包含SRI信息时，现有技术中无法确定PUSCH功率控制参数的问题。终端接收基站发送的下行控制消息；若终端确定下行控制消息中不存在探测参考信号资源指示SRI时，则终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数；PUSCH功率控制参数用于终端根据预设算法确定PUSCH的发送功率。如此，可以实现下行控制消息中不存在探测参考信号资源指示SRI的情况下确定出当前传输周期的PUSCH功率控制参数，进而可以确定出PUSCH的发送功率。

Description

一种上行物理共享信道功率控制方法和终端
本申请要求在2018年2月13日提交中国专利局、申请号为201810151024.5、发明名称为“一种上行物理共享信道功率控制方法和终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术领域，尤其涉及一种上行物理共享信道功率控制方法和终端。
背景技术
随着移动通信业务需求的发展变化，国际电信联盟(International Telecommunication Union，简称ITU)等组织都开始研究新的无线通信系统，如第五代无线通信系统(5 Generation New RAT，简称5G NR)。
在5G NR中，当采用波束赋形技术时，终端可以通过参考信号资源指示(Sounding-reference-signal Resource Indication，简称SRI)来确定用于路径损耗测量的下行导频以便进行功率控制参数、以及指示对应哪个上行beam用于传输，SRI与物理上行共享信道(Physical Uplink Shared Channel，简称PUSCH)功率控制参数的映射关系集合是通过高层信令配置。其中，SRI需要在下行控制消息(Downlink Control Information，简称DCI)中动态指示，但是在DCI中，是否包含SRI是可选的。当DCI中没有包含SRI信息，现有技术中无法确定PUSCH功率控制参数。
发明内容
本申请实施例提供一种上行物理共享信道功率控制方法和终端，用以解决现有技术中当DCI中没有包含SRI信息时，现有技术中无法确定PUSCH功率控制参数的问题。
第一方面，本申请实施例提供一种上行物理共享信道功率控制方法，包 括：终端接收基站发送的下行控制消息；若所述终端确定所述下行控制消息中不存在探测参考信号资源指示SRI时，则所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数；所述PUSCH功率控制参数用于所述终端根据预设算法确定所述PUSCH的发送功率。
一种可能的实现方式中，所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数，包括：所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数。
一种可能的实现方式中，所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数，包括：所述终端根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的PUSCH目标功率、路径损耗补偿因子；第一对应关系为服务类型与PUSCH目标功率、路径损耗补偿因子之间的对应关系；所述终端根据第二对应关系以及所述当前传输周期的PUSCH的服务类型对应的PUSCH目标功率、路径损耗补偿因子，确定出所述当前传输周期的PUSCH对应的第一参数；所述第二对应关系为第一参数与PUSCH目标功率、路径损耗补偿因子之间的对应关系。
一种可能的实现方式中，所述第一对应关系为预设的或由基站的高层信令配置；所述第二对应关系由基站的高层信令配置。
一种可能的实现方式中，所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数，包括：所述终端根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数。
一种可能的实现方式中，所述终端根据所述当前传输周期的PUSCH的服 务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数，包括：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输，则所述终端确定用于RACH Msg1功率配置和用于RACH Msg2信道跟踪补偿的参考信号的序号为所述第二参数；或者，若所述当前传输周期的PUSCH的服务类型为基于grant传输，则所述终端确定检测出UL grant的下行波束中的波束管理参考信号的序号为所述第二参数。
一种可能的实现方式中，所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数，包括：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输时，所述终端对所述RACH Msg3的闭环功率进行重设置，并确定所述第三参数；其中，所述RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；若所述当前传输周期的PUSCH的服务类型为grant传输、且所述终端配置两个功率控制环，则所述终端确定出下行波束的波束管理参考信号关联的闭环控制环的编号，作为所述第三参数。
一种可能的实现方式中，所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数之前，还包括：所述终端确定所述终端所在的服务小区为non-scheduled服务小区。
一种可能的实现方式中，上行物理共享信道功率控制方法还包括：所述终端若确定所述下行控制消息中不存在探测参考信号资源指示SRI时、且所述终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定所述PUSCH的发送功率；所述预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数；所述预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
第二方面，本申请实施例提供一种终端，包括：
接收单元，用于接收基站发送的下行控制消息；
确定单元，用于若确定所述下行控制消息中不存在探测参考信号资源指 示SRI时，则至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数；所述PUSCH功率控制参数用于所述终端根据预设算法确定所述PUSCH的发送功率。
一种可能的实现方式中，所述确定单元，具体用于：至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数。
一种可能的实现方式中，所述确定单元，具体用于：根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子；第一对应关系为服务类型与预设的PUSCH目标功率、路径损耗补偿因子之间的对应关系；根据第二对应关系以及所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子，确定出所述当前传输周期的PUSCH对应的第一参数；所述第二对应关系为第一参数与预设的PUSCH目标功率、预设的路径损耗补偿因子之间的对应关系。
一种可能的实现方式中，所述第一对应关系为预设的或由基站的高层信令配置；所述第二对应关系由基站的高层信令配置。
一种可能的实现方式中，所述确定单元，具体用于：根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数。
一种可能的实现方式中，所述确定单元，具体用于：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输，则确定用于RACH Msg1功率配置和用于RACH Msg2信道跟踪补偿的参考信号的序号为所述第二参数；或者，若所述当前传输周期的PUSCH的服务类型为基于grant传输，则确定检测出UL grant的下行波束中的波束管理参考信号的序号为所述第二参数。
一种可能的实现方式中，所述确定单元，具体用于：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输时，对所述RACH Msg3的闭环 功率进行重设置，并确定所述第三参数；其中，所述RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；若所述当前传输周期的PUSCH的服务类型为grant传输、且所述终端配置两个功率控制环，则所述终端确定出下行波束的波束管理参考信号关联的闭环控制环的编号，作为所述第三参数。
一种可能的实现方式中，所述确定单元，还用于：在所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数之前，确定所述终端所在的服务小区为非调度的non-scheduled服务小区。
一种可能的实现方式中，所述确定单元，还用于：所述终端若确定所述下行控制消息中不存在探测参考信号资源指示SRI时、且所述终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定所述PUSCH的发送功率；所述预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数；所述预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
第三方面，本申请实施例提供一种电子设备，包括：
至少一个处理器；以及，
与所述至少一个处理器通信连接的收发器和存储器；其中，
所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行第一方面、以及第一方面中任一可能的实现方式中所述的方法。
第四方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质存储计算机指令，所述计算机指令用于使所述计算机执行第一方面、以及第一方面中任一可能的实现方式中所述的方法。
本申请实施例中，终端接收基站发送的下行控制消息；若终端确定下行控制消息中不存在探测参考信号资源指示SRI时，也就是说，下行控制消息中不存在指示PUSCH功率控制参数的相关信息，则终端至少根据当前传输周 期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数；PUSCH功率控制参数用于终端根据预设算法确定PUSCH的发送功率。如此，可以实现下行控制消息中不存在探测参考信号资源指示SRI的情况下确定出当前传输周期的PUSCH功率控制参数，进而可以确定出PUSCH的发送功率。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例提供的一种上行物理共享信道功率控制方法所对应的流程示意图；
图2为本申请实施例提供的一种终端的结构示意图；
图3为本申请实施例提供的一种电子设备的结构示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包括。例如包括了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
首先，对本申请实施例的应用场景进行介绍。
在5G中，PUCCH可以通过下面的公式(1)对服务小区c的载波f上的 时隙(slot)i中的PUSCH进行功率控制：
Figure PCTCN2018118703-appb-000001
其中，P O_PUSCH,f,c(j)为载波f上高层配置的PUSCH目标功率，由小区专属部分和UE专属部分组合得到；
PL f,c(q d)为路径损耗补偿参数，q d为高层信令配置的路损测量中使用的参考信号资源序号；
Δ TF,f,c(i)为功率偏移值；
f f,c(i,l)为闭环功率调整参数，l表示闭环功率进程编号。
5G系统支持下行和上行的波束赋形传输技术。当采用多个波束赋形传输时，下行多个波束上各自存在有对应的下行参考信号用于路径损耗估计和下行波束管理。终端需要确定在所述多个下行参考信号中，哪一个参考信号用于路径损耗测量来决定PUSCH传输的功率控制参数设置；以及确定对应该下行波束的上行PUSCH的波束传输，以及闭环功率调整参数对应的编号。对于PUSCH功率控制参数可通过SCI指示信息来确定，SCI指示域与与功率控制参数(如j、q d、l)的映射关系由高层信令PUSCH Power Control-Mapping配置。
5G中，当配置多个波束(multi-beam)传输，且当SCI不在DCI中进行传输时，终端无法确定PUSCH功率控制参数(如j、q d、l)在多个波束传输中的配置，不能有效进行功率控制，且不能有效选择与对应下行波束相匹配的上行波束进行传输。
本申请实施例提供一种PUSCH功率的控制方法，该方法可以应用于终端，终端例如为手机、平板电脑、个人电脑、笔记本电脑、穿戴式电子设备等具有通信功能的设备。
本申请实施例中，对于多个波束(multi-beam)配置的传输，当SCI不在DCI中进行传输时，终端隐式确定用于进行PUSCH功率控制的相关参数。
本申请实施例，图1示例性示出了本申请实施例提供的消息处理的方法流程示意图。如图2所示，该方法包括以下步骤：
步骤101，终端接收基站发送的下行控制消息；
步骤102，若终端确定下行控制消息中不存在探测参考信号资源指示SRI时，则终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数；PUSCH功率控制参数用于终端根据预设算法确定PUSCH的发送功率。
本申请实施例中，终端接收基站发送的下行控制消息；若终端确定下行控制消息中不存在探测参考信号资源指示SRI时，也就是说，下行控制消息中不存在指示PUSCH功率控制参数的相关信息，则终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数；PUSCH功率控制参数用于终端根据预设算法确定PUSCH的发送功率。如此，可以实现下行控制消息中不存在探测参考信号资源指示SRI的情况下确定出当前传输周期的PUSCH功率控制参数，进而可以确定出PUSCH的发送功率。
上述步骤102中，PUCCH功率控制参数可以是上述公式(1)中的参数，例如为上述公式(1)中的如j、q d、l这三个参数中的任一个或任多个。
在一种可能的实施例中，终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数，可以包括如下三种情况中的任一种或任多种：
第一种情况下，终端至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；该第一参数可以为上述公式(1)中的j；
第二种情况下，终端至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；该第二参数可以为上述公式(1)中的q d；
第三种情况下，终端至少根据当前传输周期的PUSCH的服务类型，确定 用于闭环功率控制的第三参数；该第三参数可以为上述公式(1)中的l。
一种可选的实施例中，针对上述第一种情况，终端至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数，包括：所述终端根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的PUSCH目标功率、路径损耗补偿因子；其中，第一对应关系为服务类型与PUSCH目标功率、路径损耗补偿因子之间的对应关系。
进一步的，终端根据第二对应关系以及当前传输周期的PUSCH的服务类型对应的PUSCH目标功率、路径损耗补偿因子，确定出当前传输周期的PUSCH对应的第一参数；其中，第二对应关系为第一参数与PUSCH目标功率、路径损耗补偿因子之间的对应关系。
本申请实施例中，PUSCH的服务类型可以包括但不限于基于授权(grant)传输，半静态调度(Semi-Persistent Scheduling，简称SPS)配置传输，或者随机接入信道(Random Access Channel，简称RACH)消息3(Msg3)传输等。
在一种可能的实施例中，第一对应关系可以预设在终端中的，也可以为由基站的高层信令配置的；第二对应关系为由基站的高层信令配置的。比如，以第一对应关系由基站的高层信令配置的为例，基站的高层信令配置了多组PUSCH的服务类型对应的PUSCH目标功率和路径损耗补偿因子。比如，当前传输周期的PUSCH的服务类型为基于授权(grant)传输时，就可以根据第一对应关系确定出基于授权(grant)传输对应的PUSCH目标功率和路径损耗补偿因子，由于第二对应关系中也配置了多组第一参数对应的PUSCH目标功率和路径损耗补偿因子，所以可以确定出当前传输周期的PUSCH对应的第一参数，如此，可以确定出述公式(1)中的
Figure PCTCN2018118703-appb-000002
和P O_PUSCH,f,c(j)。
在一种可能的实施例中，终端至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数，包括：终端根据当前传输周期的 PUSCH的服务类型，从下行波束的参考信号中确定用于路径损耗测量的第二参数。
由于每个下行波束对应自身的参考信号，而下行波束与上行PUSCH波束的目标发送功率的映射关系，而这个映射关系可以由高层信令配置，如此，可以确定出与上行PUSCH波束的目标发送功率相匹配的下行波束，进而将该相关联的下行波束中波束管理参考信号作为上行波束用于路径损耗测量的参数信号。如此，可以实现有效选择与对应下行波束相匹配的上行波束进行传输。
进一步的，确定第二参数的具体实现方式包括如下任一种可选的实施方式：
一种可选的实施方式中，若当前传输周期的PUSCH的服务类型为RACH Msg3传输，则终端确定用于RACH Msg1功率配置和用于RACH Msg2信道跟踪补偿的参考信号的序号为第二参数；本申请实施例中的参考信号可以为信道状态信息参考信号(channel state information-reference signals，简称CSI-RS)或同步信号块(Synchronisation Signal Block，简称SS block)。
另一种可选的实施方式中，若当前传输周期的PUSCH的服务类型为基于grant传输，则终端确定检测出UL grant的下行波束中的波束管理参考信号的序号为第二参数。本申请实施例中的波束管理参考信号可以为CSI-RS或SS block。
一种可能的实施方式中，终端至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数，包括以下两种情况：
第一种情况中，若当前传输周期的PUSCH的服务类型为RACH Msg3传输时，终端对RACH Msg3的闭环功率进行重设置，并确定第三参数；其中，RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；
第二种情况，若当前传输周期的PUSCH的服务类型为grant传输、且终端配置两个功率控制环，则终端确定出下行波束的波束管理参考信号关联的 闭环控制环的编号，作为第三参数。
在第二种情况中，波束管理参考信号与两个闭环功率控制环的其中一个进行关联的映射关系由高层信令进行配置，进而终端确定出下行波束的波束管理参考信号之后，就可以确定出其关联的闭环控制环的编号。
一种可能的实现方式中，终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数之前，还包括：终端确定终端所在的服务小区为non-scheduled服务小区。也就是说，如果终端所在的服务小区为non-scheduled服务小区、且下行控制消息中不存在探测参考信号资源指示SRI，那么至少根据终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数。
在另一种可能的实现方式中，终端若确定下行控制消息中不存在探测参考信号资源指示SRI时、且终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定PUSCH的发送功率；预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数。
可选的，预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
从上述内容可以看出：终端接收基站发送的下行控制消息；若终端确定下行控制消息中不存在探测参考信号资源指示SRI时，也就是说，下行控制消息中不存在指示PUSCH功率控制参数的相关信息，则终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数；PUSCH功率控制参数用于终端根据预设算法确定PUSCH的发送功率。如此，可以实现下行控制消息中不存在探测参考信号资源指示SRI的情况下确定出当前传输周期的PUSCH功率控制参数，进而可以确定出PUSCH的发送功率。
基于以上实施例以及相同构思，图2为本申请实施例提供的一种终端的 结构示意图，该终端可以实现如上图1中所示的任一项或任多项对应的方法中的步骤。如图2所示，该终端200可以包括接收单元201和确定单元202。其中：
接收单元201，用于接收基站发送的下行控制消息；
确定单元202，用于若确定所述下行控制消息中不存在探测参考信号资源指示SRI时，则至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数；所述PUSCH功率控制参数用于所述终端根据预设算法确定所述PUSCH的发送功率。
可选的，所述确定单元202，具体用于：至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数。
可选的，所述确定单元202，具体用于：根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子；第一对应关系为服务类型与预设的PUSCH目标功率、路径损耗补偿因子之间的对应关系；根据第二对应关系以及所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子，确定出所述当前传输周期的PUSCH对应的第一参数；所述第二对应关系为第一参数与预设的PUSCH目标功率、预设的路径损耗补偿因子之间的对应关系。
可选的，所述第一对应关系为预设的或由基站的高层信令配置；所述第二对应关系由基站的高层信令配置。
可选的，所述确定单元202，具体用于：根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数。
可选的，所述确定单元202，具体用于：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输，则确定用于RACH Msg1功率配置和用于 RACH Msg2信道跟踪补偿的参考信号的序号为所述第二参数；或者，若所述当前传输周期的PUSCH的服务类型为基于grant传输，则确定检测出UL grant的下行波束中的波束管理参考信号的序号为所述第二参数。
可选的，所述确定单元202，具体用于：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输时，对所述RACH Msg3的闭环功率进行重设置，并确定所述第三参数；其中，所述RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；若所述当前传输周期的PUSCH的服务类型为grant传输、且所述终端配置两个功率控制环，则所述终端确定出下行波束的波束管理参考信号关联的闭环控制环的编号，作为所述第三参数。
可选的，所述确定单元202，还用于：在所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数之前，确定所述终端所在的服务小区为non-scheduled服务小区。
可选的，所述确定单元202，还用于：所述终端若确定所述下行控制消息中不存在探测参考信号资源指示SRI时、且所述终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定所述PUSCH的发送功率；所述预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数；所述预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
从上述内容可以看出：终端接收基站发送的下行控制消息；若终端确定下行控制消息中不存在探测参考信号资源指示SRI时，也就是说，下行控制消息中不存在指示PUSCH功率控制参数的相关信息，则终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定当前传输周期的PUSCH功率控制参数；PUSCH功率控制参数用于终端根据预设算法确定PUSCH的发送功率。如此，可以实现下行控制消息中不存在探测参考信号资源指示SRI的情况下确定出当前传输周期的PUSCH功率控制参数，进而可以确定出 PUSCH的发送功率。
上述终端所涉及的与本申请实施例提供的技术方案相关的概念，解释和详细说明及其它步骤请参见前述上行物理共享信道功率控制方法或其它实施例中关于这些内容的描述，此处不做赘述。
基于相同构思，本申请提供一种电子设备，包括至少一个处理器；以及，与所述至少一个处理器通信连接的收发器和存储器；所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行上述实施例中的接收处理方法。
以一个处理器为例，图3为本申请提供的一种电子设备的结构示意图。
该电子设备包括收发器301、处理器302、存储器303和通信接口304；其中，收发器301、处理器302、存储器303和通信接口304通过总线305相互连接。
其中，存储器303用于存储程序。具体地，程序可以包括程序代码，程序代码包括计算机操作指令。存储器303可以为易失性存储器(volatile memory)，例如随机存取存储器(random-access memory，简称RAM)；也可以为非易失性存储器(non-volatile memory)，例如快闪存储器(flash memory)，硬盘(hard disk drive，简称HDD)或固态硬盘(solid-state drive，简称SSD)；还可以为上述任一种或任多种易失性存储器和非易失性存储器的组合。
存储器303存储了如下的元素，可执行模块或者数据结构，或者它们的子集，或者它们的扩展集：
操作指令：包括各种操作指令，用于实现各种操作。
操作系统：包括各种系统程序，用于实现各种基础业务以及处理基于硬件的任务。
总线305可以是外设部件互连标准(peripheral component interconnect，简称PCI)总线或扩展工业标准结构(extended industry standard architecture，简称EISA)总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示，图3中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的 总线。
处理器302可以是中央处理器(central processing unit，简称CPU)，网络处理器(network processor，简称NP)或者CPU和NP的组合。还可以是硬件芯片。上述硬件芯片可以是专用集成电路(application-specific integrated circuit，简称ASIC)，可编程逻辑器件(programmable logic device，简称PLD)或其组合。上述PLD可以是复杂可编程逻辑器件(complex programmable logic device，简称CPLD)，现场可编程逻辑门阵列(field-programmable gate array，简称FPGA)，通用阵列逻辑(generic array logic，简称GAL)或其任意组合。
所述收发器301，用于接收基站发送的下行控制消息；
所述处理器302，用于读取所述存储器303中的程序，执行以下方法：
若所述终端确定所述下行控制消息中不存在探测参考信号资源指示SRI时，则所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数；所述PUSCH功率控制参数用于所述终端根据预设算法确定所述PUSCH的发送功率。
所述存储器303，用于存储一个或多个可执行程序，可以存储所述处理器302在执行操作时所使用的数据。
可选的，所述处理器302，具体用于：
至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；
至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；
至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数。
可选的，所述处理器302，具体用于：根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子；第一对应关系为服务类型与预设的PUSCH目标功率、路径损耗补偿因子之间的对应关系；根 据第二对应关系以及所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子，确定出所述当前传输周期的PUSCH对应的第一参数；所述第二对应关系为第一参数与预设的PUSCH目标功率、预设的路径损耗补偿因子之间的对应关系。
可选的，所述第一对应关系为预设的或由基站的高层信令配置；所述第二对应关系由基站的高层信令配置。
可选的，所述处理器302，具体用于：根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数。
可选的，所述处理器302，具体用于：若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输，则确定用于RACH Msg1功率配置和用于RACH Msg2信道跟踪补偿的参考信号的序号为所述第二参数；或者，若所述当前传输周期的PUSCH的服务类型为基于grant传输，则确定检测出UL grant的下行波束中的波束管理参考信号的序号为所述第二参数。
可选的，所述处理器302，具体用于：
若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输时，对所述RACH Msg3的闭环功率进行重设置，并确定所述第三参数；其中，所述RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；若所述当前传输周期的PUSCH的服务类型为grant传输、且所述终端配置两个功率控制环，则所述终端确定出下行波束的波束管理参考信号关联的闭环控制环的编号，作为所述第三参数。
可选的，所述处理器302，还用于：
在所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数之前，确定所述终端所在的服务小区为non-scheduled服务小区。
可选的，所述处理器302，还用于：
所述终端若确定所述下行控制消息中不存在探测参考信号资源指示SRI 时、且所述终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定所述PUSCH的发送功率；所述预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数；所述预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实施例的精神和范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (20)

  1. 一种上行物理共享信道功率控制方法，其特征在于，包括：
    终端接收基站发送的下行控制消息；
    若所述终端确定所述下行控制消息中不存在探测参考信号资源指示SRI时，则所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数；所述PUSCH功率控制参数用于所述终端根据预设算法确定所述PUSCH的发送功率。
  2. 如权利要求1所述的方法，其特征在于，所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数，包括：
    所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；
    所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；
    所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数。
  3. 如权利要求1所述的方法，其特征在于，所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数，包括：
    所述终端根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的PUSCH目标功率、路径损耗补偿因子；第一对应关系为服务类型与PUSCH目标功率、路径损耗补偿因子之间的对应关系；
    所述终端根据第二对应关系以及所述当前传输周期的PUSCH的服务类型对应的PUSCH目标功率、路径损耗补偿因子，确定出所述当前传输周期的PUSCH对应的第一参数；所述第二对应关系为第一参数与PUSCH目标功率、路径损耗补偿因子之间的对应关系。
  4. 如权利要求3所述的方法，其特征在于，所述第一对应关系为预设的或由基站的高层信令配置；所述第二对应关系由基站的高层信令配置。
  5. 如权利要求2所述的方法，其特征在于，所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数，包括：
    所述终端根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数。
  6. 如权利要求5所述的方法，其特征在于，所述终端根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数，包括：
    若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输，则所述终端确定用于RACH Msg1功率配置和用于RACH Msg2信道跟踪补偿的参考信号的序号为所述第二参数；或者，
    若所述当前传输周期的PUSCH的服务类型为基于grant传输，则所述终端确定检测出UL grant的下行波束中的波束管理参考信号的序号为所述第二参数。
  7. 如权利要求2所述的方法，其特征在于，所述终端至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数，包括：
    若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输时，所述终端对所述RACH Msg3的闭环功率进行重设置，并确定所述第三参数；其中，所述RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；
    若所述当前传输周期的PUSCH的服务类型为grant传输、且所述终端配置两个功率控制环，则所述终端确定出下行波束的波束管理参考信号关联的闭环控制环的编号，作为所述第三参数。
  8. 如权利要求1所述的方法，其特征在于，所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的 PUSCH功率控制参数之前，还包括：
    所述终端确定所述终端所在的服务小区为non-scheduled服务小区。
  9. 如权利要求8所述的方法，其特征在于，还包括：
    所述终端若确定所述下行控制消息中不存在探测参考信号资源指示SRI时、且所述终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定所述PUSCH的发送功率；所述预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数；所述预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
  10. 一种终端，其特征在于，包括：
    接收单元，用于接收基站发送的下行控制消息；
    确定单元，用于若确定所述下行控制消息中不存在探测参考信号资源指示SRI时，则至少根据当前传输周期的上行物理共享信道PUSCH的服务类型，确定所述当前传输周期的PUSCH功率控制参数；所述PUSCH功率控制参数用于所述终端根据预设算法确定所述PUSCH的发送功率。
  11. 如权利要求10所述的终端，其特征在于，所述确定单元，具体用于：
    至少根据当前传输周期的PUSCH的服务类型，确定用于功率控制的第一参数；
    至少根据当前传输周期的PUSCH的服务类型，确定用于路损补偿参数的第二参数；
    至少根据当前传输周期的PUSCH的服务类型，确定用于闭环功率控制的第三参数。
  12. 如权利要求10所述的终端，其特征在于，所述确定单元，具体用于：
    根据当前传输周期的PUSCH的服务类型、以及第一对应关系，确定出所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设 的路径损耗补偿因子；第一对应关系为服务类型与预设的PUSCH目标功率、路径损耗补偿因子之间的对应关系；
    根据第二对应关系以及所述当前传输周期的PUSCH的服务类型对应的预设的PUSCH目标功率、预设的路径损耗补偿因子，确定出所述当前传输周期的PUSCH对应的第一参数；所述第二对应关系为第一参数与预设的PUSCH目标功率、预设的路径损耗补偿因子之间的对应关系。
  13. 如权利要求12所述的终端，其特征在于，所述第一对应关系为预设的或由基站的高层信令配置；所述第二对应关系由基站的高层信令配置。
  14. 如权利要求11所述的终端，其特征在于，所述确定单元，具体用于：
    根据所述当前传输周期的PUSCH的服务类型，从下行波束的参考信号中确定所述用于路径损耗测量的第二参数。
  15. 如权利要求14所述的终端，其特征在于，所述确定单元，具体用于：
    若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输，则确定用于RACH Msg1功率配置和用于RACH Msg2信道跟踪补偿的参考信号的序号为所述第二参数；或者，
    若所述当前传输周期的PUSCH的服务类型为基于grant传输，则确定检测出UL grant的下行波束中的波束管理参考信号的序号为所述第二参数。
  16. 如权利要求11所述的终端，其特征在于，所述确定单元，具体用于：
    若所述当前传输周期的PUSCH的服务类型为RACH Msg3传输时，对所述RACH Msg3的闭环功率进行重设置，并确定所述第三参数；其中，所述RACH Msg3的闭环功率控制进行重设置基于RACH Msg1的功率设置和RACH Msg2中的功率控制；
    若所述当前传输周期的PUSCH的服务类型为grant传输、且所述终端配置两个功率控制环，则所述终端确定出下行波束的波束管理参考信号关联的闭环控制环的编号，作为所述第三参数。
  17. 如权利要求10所述的终端，其特征在于，所述确定单元，还用于：
    在所述终端至少根据当前传输周期的上行物理共享信道PUSCH的服务 类型，确定所述当前传输周期的PUSCH功率控制参数之前，确定所述终端所在的服务小区为非调度的non-scheduled服务小区。
  18. 如权利要求17所述的终端，其特征在于，所述确定单元，还用于：
    所述终端若确定所述下行控制消息中不存在探测参考信号资源指示SRI时、且所述终端所在的服务小区为non-scheduled服务小区时，根据预配置的默认值，确定所述PUSCH的发送功率；所述预配置的默认值用于确认第一参数的目标功率和路径损耗补偿因子的默认值、第二参数的默认值和第三参数；所述预配置的默认值由高层参数SRI-PUSCH Power Control-Mapping进行配置。
  19. 一种电子设备，其特征在于，包括：
    至少一个处理器；以及，
    与所述至少一个处理器通信连接的收发器和存储器；其中，
    所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行如权利要求1至9中任一权利要求所述的方法。
  20. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储计算机指令，所述计算机指令用于使所述计算机执行如权利要求1至9中任一权利要求所述的方法。
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