WO2019080132A1 - 传输数据的方法、终端设备和网络设备 - Google Patents
传输数据的方法、终端设备和网络设备Info
- Publication number
- WO2019080132A1 WO2019080132A1 PCT/CN2017/108153 CN2017108153W WO2019080132A1 WO 2019080132 A1 WO2019080132 A1 WO 2019080132A1 CN 2017108153 W CN2017108153 W CN 2017108153W WO 2019080132 A1 WO2019080132 A1 WO 2019080132A1
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- WIPO (PCT)
- Prior art keywords
- terminal device
- power control
- uplink data
- sris
- sri
- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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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
- H04W52/18—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
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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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
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- Embodiments of the present invention relate to the field of communications, and more particularly, to a method of transmitting data, a terminal device, and a network device.
- a beam-based power control method is introduced in New Radio (NR).
- NR New Radio
- the signals transmitted by the terminal equipment using different beams may have independent power control parameters, thereby obtaining different transmission powers.
- the power control parameters employed by the terminal device are associated with the beams used for data transmission.
- the beam used for data transmission is usually indicated by a Sounding Reference Signal (SRS) Resource Indication (SRI) included in Downlink Control Information (DCI) of the scheduling data.
- SRS Sounding Reference Signal
- SRI Resource Indication
- the terminal device uses multiple beams to simultaneously transmit uplink data, how to determine the transmission power of the uplink data is an urgent problem to be solved in the field.
- a method, a terminal device and a network device for transmitting data are provided, which can accurately determine the transmission power of the uplink data, thereby improving the data transmission efficiency.
- a method of transmitting data comprising:
- the terminal device acquires multiple sounding reference signal resource indication SRIs from the downlink control information DCI for scheduling uplink data, and each SRI of the multiple SRIs corresponds to at least one power control parameter;
- the terminal device determines a target SRI in the plurality of SRIs
- the terminal device determines a transmit power of the uplink data according to a power control parameter of the uplink data.
- the terminal device can not only indicate the beam used for uplink data transmission by scheduling multiple SRIs included in the DCI of the uplink data, but also each of the multiple SRIs.
- the SRI corresponds to at least one power control parameter. Therefore, the terminal device can determine the target SRI in the multiple SRIs, and accurately determine the transmit power of the uplink data according to the target SRI corresponding to the at least one power control parameter, thereby improving the data transmission efficiency.
- the acquiring multiple sounding reference signal resource indication SRIs includes:
- the terminal device receives a bitmap bit sequence sent by the network device, where the bitmap bit sequence includes a plurality of bits, and the multiple bits are used to indicate the multiple SRIs.
- the determining, by the terminal device, the target SRI in the multiple SRIs includes:
- the terminal device determines an SRI indicated by the first one of the plurality of SRIs as the target SRI.
- the determining, by the terminal device, the target SRI in the multiple SRIs includes:
- the terminal device determines, in the plurality of SRIs, an SRI corresponding to the SRS resource in which the uplink data transmission uses the same beam or the same antenna set to transmit the SRS, and is determined as the target SRI.
- the determining, by the terminal device, the target SRI in the multiple SRIs includes:
- the terminal device determines, as the target SRI, an SRI corresponding to an SRS resource having a quasi-same address relationship with the uplink data among the plurality of SRIs.
- the uplink data includes part of data in uplink data carried by the physical uplink shared channel PUSCH of the DCI scheduling.
- the uplink data carried by the PUSCH includes data of N transport layers, where the uplink data includes data of M transport layers in the N transport layers, where N>M> 0.
- the target SRI corresponds to data of the M transport layers.
- the at least one power control parameter corresponding to the first SRI of the multiple SRIs is a power control parameter used for transmitting the SRS on the SRS resource indicated by the first SRI.
- the method before the determining, by the terminal device, the target SRI in the multiple SRIs, the method further includes:
- the determining, by the terminal device, the power control parameter of the uplink data according to the at least one power control parameter corresponding to the target SRI including:
- the terminal device determines at least one power control parameter corresponding to the target SRI as a power control parameter of the uplink data.
- the target SRI is a plurality of second SRIs of the multiple SRIs, where the terminal device determines the uplink data according to at least one power control parameter corresponding to the target SRI.
- Power control parameters including:
- the terminal device After the terminal device processes the plurality of power control parameters corresponding to the plurality of second SRIs, determining the power control parameters of the uplink data.
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power, or the at least one power control parameter includes information of a downlink signal, where the downlink signal is The information is used by the terminal device to measure a path loss value for determining an uplink transmit power.
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power, where the terminal device uses multiple powers corresponding to the multiple second SRIs After the control parameters are processed, determining power control parameters of the uplink data, including:
- the terminal device performs a weighted average of the path loss values corresponding to the plurality of second SRIs to obtain a target path loss value; the terminal device determines the target path loss value as used to determine the uplink data.
- the path loss value of the uplink transmit power.
- the downlink signal includes: a downlink synchronization signal block SSB or a channel state information reference signal CSI-RS.
- the at least one power control parameter comprises an open loop power control parameter and/or a closed loop power control parameter.
- the method further includes:
- the terminal device sends the uplink data according to the transmit power of the uplink data; or the terminal device determines a power measurement report PHR according to the transmit power of the uplink data; or, the terminal device according to the The transmit power of the uplink data determines the transmit power of the uplink signals other than the uplink data.
- a method of transmitting data including:
- the network device determines a plurality of sounding reference signal resource indication SRIs, each of the plurality of SRIs corresponding to at least one power control parameter;
- the network device sends the plurality of SRIs to the terminal device.
- the sending, by the network device, the multiple SRIs to the terminal device includes:
- the network device sends a bitmap bit sequence to the terminal device, the bitmap bit sequence including a plurality of bits, the plurality of bits being used to indicate the plurality of SRIs.
- the method before the sending, by the network device, the multiple SRIs to the terminal device, the method further includes:
- the network device sends corresponding relationship information to the terminal device, where the correspondence relationship information includes a correspondence between each SRI of the multiple SRIs and at least one power control parameter.
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power, or the at least one power control parameter includes information of a downlink signal, The information of the downlink signal is used by the terminal device to measure a path loss value for determining an uplink transmit power.
- the downlink signal includes: a downlink synchronization signal block SSB or a channel state information reference signal CSI-RS.
- the at least one power control parameter comprises an open loop power control parameter and/or a closed loop power control parameter.
- the method further includes:
- the network device receives uplink data sent by the terminal device.
- a terminal device including:
- An acquiring unit configured to acquire, from the downlink control information DCI for scheduling uplink data, a plurality of sounding reference signal resource indication SRIs, each SRI of the plurality of SRIs corresponding to at least one power control parameter;
- a processing unit configured to: determine a target SRI in the multiple SRIs; determine, according to the at least one power control parameter corresponding to the target SRI, a power control parameter of the uplink data; according to a power control parameter of the uplink data, Determining the transmit power of the uplink data.
- a terminal device including:
- An acquireer configured to acquire, from a downlink control information DCI for scheduling uplink data, a plurality of sounding reference signal resource indication SRIs, each of the plurality of SRIs corresponding to at least one power control parameter number;
- a processor configured to: determine a target SRI in the multiple SRIs; determine, according to the at least one power control parameter corresponding to the target SRI, a power control parameter of the uplink data; according to a power control parameter of the uplink data, Determining the transmit power of the uplink data.
- a network device including:
- a network device including:
- a processing unit configured to determine a plurality of sounding reference signal resource indication SRIs, each of the plurality of SRIs corresponding to at least one power control parameter;
- transceiver unit configured to send the multiple SRIs to the terminal device.
- a network device including:
- a processor configured to determine a plurality of sounding reference signal resource indication SRIs, each of the plurality of SRIs corresponding to at least one power control parameter;
- transceiver configured to send the multiple SRIs to the terminal device.
- a computer readable medium for storing a computer program comprising instructions for performing the method embodiment of the first aspect or the second aspect described above.
- a computer chip comprising: an input interface, an output interface, at least one processor, a memory, the processor is configured to execute code in the memory, and when the code is executed, the processing.
- a computer chip comprising: an input interface, an output interface, at least one processor, and a memory, wherein the processor is configured to execute code in the memory, when the code is executed, the processing.
- a communication system comprising the network device as described above, and the terminal device described above.
- FIG. 1 is an example of an application scenario of the present invention.
- FIG. 2 is a schematic flowchart of a method for transmitting data according to an embodiment of the present invention.
- FIG. 3 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- FIG. 4 is a schematic block diagram of another terminal device according to an embodiment of the present invention.
- FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present invention.
- FIG. 6 is a schematic block diagram of another network device according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present invention.
- communication system 100 can include terminal device 110 and network device 120.
- Network device 120 can communicate with terminal device 110 over an air interface.
- Multi-service transmission is supported between the terminal device 110 and the network device 120.
- the embodiment of the present invention is only exemplified by the communication system 100, but the embodiment of the present invention is not limited thereto. That is, the technical solution of the embodiment of the present invention can be applied to various communication systems, for example, a Global System of Mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, and a wideband code. Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), etc.
- 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
- TDD Universal Mobile Telecommunication System
- UMTS Universal Mobile Telecommunication System
- the present invention describes various embodiments in connection with network devices and terminal devices.
- the network device 120 may refer to any entity on the network side that is used to send or receive signals. For example, it may be a device communication of a machine type communication (MTC), a base station (BTS) in GSM or CDMA, a base station (NodeB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB in LTE). ), base station equipment in a 5G network, and the like.
- MTC machine type communication
- BTS base station
- NodeB base station
- Evolutional Node B eNB or eNodeB in LTE
- 5G network and the like.
- the terminal device 110 can be any terminal device. Specifically, the terminal device 110 can communicate with one or more core networks (Core Network) via a radio access network (RAN), and can also be referred to as an access terminal, a user equipment (User Equipment, UE), Subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
- RAN radio access network
- UE user equipment
- Subscriber unit Subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
- it can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and a wireless communication function.
- FIG. 2 is a schematic flowchart of a method for transmitting data according to an embodiment of the present invention.
- the method includes:
- the network device determines at least one SRI, where the at least one SRI corresponds to at least one power control parameter.
- the network device sends the at least one SRI to the terminal device.
- the terminal device determines, according to the at least one SRI, a transmit power of the uplink data.
- the terminal device acquires multiple SRIs from the DCI that schedules the uplink data, and each SRI of the multiple SRIs corresponds to at least one power control parameter; thereby, the terminal device may determine the target SRI in the multiple SRIs. And determining, according to the at least one power control parameter corresponding to the target SRI, a power control parameter of the uplink data; and further, the terminal device may determine, according to the power control parameter of the uplink data, a transmit power of the uplink data.
- the terminal device obtains a bitmap bit sequence from a DCI that schedules uplink data, and the bitmap bit sequence may include a plurality of bits, the multiple bits being used to indicate the multiple SRIs. And, each SRI of the plurality of SRIs corresponds to at least one power control parameter.
- the terminal can directly configure N independent SRIs, each SRI containing k bits, corresponding to one SRS resource.
- the terminal device may not only indicate a plurality of SRIs included in the DCI of the uplink data, but also indicate a beam used for uplink data transmission, and each SRI of the multiple SRIs corresponds to At least one power control parameter.
- the terminal device may determine, in each of the plurality of SRIs, the at least one power control parameter that the SRI corresponds to the at least one power control parameter, and determine the uplink according to the SRI corresponding to the at least one power control parameter.
- Data power control parameters For convenience of description, this SRI is referred to as a target SRI in the embodiment of the present invention.
- each SRI of the multiple SRIs corresponds to at least one power control parameter in the embodiment of the present invention.
- the power control parameters used to transmit the SRS on the SRS resource indicated by each of the plurality of SRIs may be pre-configured by the network device.
- the at least one power control parameter corresponding to the first SRI of the multiple SRIs is a power control parameter used for transmitting the SRS on the SRS resource indicated by the first SRI.
- the first SRI is any one of the plurality of SRIs.
- the at least one power control parameter corresponding to the target SRI in the embodiment of the present invention is a power control parameter used for transmitting the SRS on the SRS resource indicated by the target SRI.
- the plurality of SRIs and the at least one power control parameter corresponding to each of the plurality of SRIs have a correspondence relationship information.
- the terminal device may determine the power control parameter of the uplink data according to the corresponding relationship and the determined target SRI, and further determine the transmit power of the uplink data.
- the terminal device may receive the correspondence information sent by the network device before acquiring the multiple SRIs from the DCI that schedules the uplink data. Further, based on the correspondence relationship information and the determined target SRI, at least one power control parameter of the uplink data is determined, and then the transmit power of the uplink data is determined.
- At least one power control parameter in the embodiment of the present invention is exemplarily described below.
- the at least one power control parameter in the embodiment of the present invention may include any parameter used to determine the uplink transmit power.
- the at least one power control parameter may include a path loss value used by the terminal device to determine an uplink transmit power, or the at least one power control parameter includes information of a downlink signal, where the information of the downlink signal is used for the terminal device measurement. Determine the path loss value of the uplink transmit power.
- the downlink signal includes: a downlink synchronization signal block SSB or a channel state information reference signal CSI-RS.
- the at least one power control parameter may also include an open loop power control parameter and/or a closed loop power control parameter.
- the terminal device can determine the uplink transmit power according to the following formula:
- P PUSCH,c (i) represents the uplink transmit power
- P 0,c (j) represents the target power
- ⁇ c (j) represents the path loss factor
- PL c (k) represents the path loss estimate
- f c (i , l) represents the closed loop power adjustment function.
- At least one power control parameter in the embodiment of the present invention may correspond to P 0,c (j), ⁇ c (j), PL c (k), and f c (i, l) in the above formula, It can correspond to j, k, and i in the above formula.
- the embodiment of the invention is not specifically limited.
- the information about the downlink signal in the embodiment of the present invention may be that the network device passes the pre- The index of the target downlink reference signal used to measure the path loss value among the plurality of downlink reference signals configured first. For example, k in the above formula.
- the open loop power control parameter in the embodiment of the present invention may be indication information of the target power P 0,c (j), or may be indication information of the path loss factor ⁇ c (j), or may be a closed loop. Indication information of the power adjustment function f c (i, l).
- the open loop power control parameter in the embodiment of the present invention may be an index of one of the plurality of target powers P 0,c (j) preconfigured by the network device (for example, j in the above formula). It may also be an index of one of the plurality of path loss factors ⁇ c (j) pre-configured by the network device (for example, j in the above formula), or may be a process index of the closed-loop power control (for example, in the background technology formula) i).
- the target SRI may include only one SRI, and may also include multiple SRIs.
- the target SRI may include only one SRI.
- the terminal device may determine, as the power control parameter of the uplink data, the at least one power control parameter corresponding to the target SRI.
- the target SRI is a plurality of second SRIs of the plurality of SRIs
- the terminal device processes the plurality of power control parameters corresponding to the plurality of second SRIs, and determines power control parameters of the uplink data.
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power; the terminal device may perform a weighted average of the path loss values corresponding to the plurality of second SRIs to obtain a target. a path loss value; and further determining the target path loss value as a path loss value for determining an uplink transmission power of the uplink data.
- the terminal device may process parameters other than the path loss value corresponding to each of the plurality of second SRIs to determine a power control parameter of the uplink data.
- the terminal device determines the SRI indicated by the first one of the plurality of SRIs. For this target SRI.
- the SRI indication field in the DCI indicates N SRIs, wherein the SRI with the highest position of the corresponding indication information in the DCI is used as the target SRI.
- the target SRI is the SRI corresponding to the first bit indicated as 1 in the bitmap.
- the terminal device may determine, as the target SRI, the SRI corresponding to the SRS resource that uses the same beam or the same antenna set to transmit the SRS in the multiple SRIs.
- the terminal device may determine the target SRS resource from the SRS resources corresponding to the multiple SRIs, and use the beam or antenna set used for transmitting the SRS on the target SRS resource to transmit the uplink data, and adopt the target SRS resource corresponding to the target SRS resource.
- the SRI is used as the target SRI to determine the transmit power of the uplink data.
- the SRS and the uplink data are transmitted by using the same beam or antenna set.
- the antenna set in the embodiment of the present invention may include some or all of the antennas of the terminal device.
- the transmitting antenna of the terminal device may be divided into independent antenna sets for transmitting uplink data. That is, the antenna set can be an antenna array panel.
- the terminal device may determine, as the target SRI, an SRI corresponding to the SRS resource in which the uplink data has a quasi-co-located relationship among the plurality of SRIs.
- the SRS resource may be co-located with the uplink data for the spatial receiving parameter.
- the uplink data includes part of data in uplink data carried by the physical uplink shared channel PUSCH of the DCI scheduling.
- the uplink data carried by the PUSCH includes data of N transport layers, and the uplink data includes data of M transport layers in the N transport layers, where N>M>0.
- N M>0.
- the target SRI may correspond to data of M transport layers. Specifically, when M ⁇ 2, the data of the M transport layers corresponds to one same SRI.
- embodiments of the invention are not limited thereto.
- the data of the M transport layers may also correspond to multiple SRIs.
- the terminal device may be each data transmission layer. Both determine their respective transmit power.
- the transmit power of the uplink data in the embodiment of the present invention may be used to send the uplink data, or may not be used to send the uplink data.
- the terminal device does not actually have uplink data.
- the terminal device determines a power headroom report (PHR) for calculating the current PUSCH according to the transmit power of the uplink data, and reports the power headroom report (PHR) to the network device.
- PHR power headroom report
- the terminal device determines, according to the transmit power of the uplink data, the transmit power of other uplink signals except the uplink data.
- the uplink signal may be an SRS.
- the terminal device may obtain a transmission power of the SRS according to the calculated transmission power of the uplink data and a certain offset value.
- each SRI of the multiple SRIs obtained by the terminal device from the DCI that schedules the uplink data corresponds to at least one power control parameter, and thus, the terminal device is in the multiple SRIs.
- the target SRI is determined, and the transmit power of the uplink data is determined according to at least one power control parameter corresponding to the target SRI.
- FIG. 3 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
- the terminal device 300 includes:
- the obtaining unit 310 is configured to acquire, from the downlink control information DCI for scheduling uplink data, a plurality of sounding reference signal resource indications SRI, each SRI of the plurality of SRIs corresponding to at least one power control parameter, and a processing unit 320, configured to: Determining a target SRI in the plurality of SRIs; determining a power control parameter of the uplink data according to the at least one power control parameter corresponding to the target SRI; and determining a transmit power of the uplink data according to the power control parameter of the uplink data.
- the obtaining unit 310 is specifically configured to:
- bitmap bit sequence sent by the network device, the bitmap bit sequence comprising a plurality of bits, the plurality of bits being used to indicate the plurality of SRIs.
- processing unit 320 is specifically configured to:
- the SRI indicated by the first one of the plurality of SRIs is determined as the target SRI.
- processing unit 320 is specifically configured to:
- the plurality of SRIs are transmitted by using the same beam or the same antenna set as the uplink data transmission.
- the SRI corresponding to the SRS resource of the SRS is determined as the target SRI.
- processing unit 320 is specifically configured to:
- the SRI corresponding to the SRS resource having the quasi-same address relationship with the uplink data is determined as the target SRI.
- the uplink data includes part of data in the uplink data carried by the physical uplink shared channel (PUSCH) scheduled by the DCI.
- PUSCH physical uplink shared channel
- the uplink data carried by the PUSCH includes data of N transport layers, where the uplink data includes data of M transport layers in the N transport layers, where N>M>0.
- the target SRI corresponds to data of the M transport layers.
- the at least one power control parameter corresponding to the first SRI of the multiple SRIs is a power control parameter used for transmitting the SRS on the SRS resource indicated by the first SRI.
- the obtaining unit 310 is further configured to:
- the corresponding relationship information sent by the network device is received, where the correspondence relationship information includes a correspondence between each SRI of the multiple SRIs and at least one power control parameter.
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power, or the at least one power control parameter includes information of a downlink signal, where the information of the downlink signal is used by the terminal device to measure The path loss value used to determine the uplink transmit power.
- the downlink signal includes: a downlink synchronization signal block SSB or a channel state information reference signal CSI-RS.
- the at least one power control parameter includes an open loop power control parameter and/or a closed loop power control parameter.
- the obtaining unit 310 is further configured to:
- the uplink data is transmitted according to the transmit power of the uplink data.
- the processing unit 320 is further configured to: determine, according to the transmit power of the uplink data, a power measurement report PHR; or, according to the transmit power of the uplink data, determine, to transmit other uplink signals except the uplink data. power.
- the acquisition unit 310 can be implemented by a transceiver, which can be implemented by a processor.
- the terminal device 400 may include a processor 410, a transceiver 420, and a memory 430.
- the memory 430 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 410.
- the various components in the terminal device 400 are connected by a bus system.
- the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the terminal device 400 shown in FIG. 4 can implement the various processes implemented by the terminal device in the foregoing method embodiment of FIG. 2. To avoid repetition, details are not described herein again.
- FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present invention.
- the network device 500 includes:
- the processing unit 510 is configured to determine a plurality of sounding reference signal resource indication SRIs, each of the plurality of SRIs corresponding to the at least one power control parameter, and the transceiver unit 520, configured to send the multiple SRIs to the terminal device.
- the transceiver unit 520 is specifically configured to:
- bitmap bit sequence Transmitting a bitmap bit sequence to the terminal device, the bitmap bit sequence comprising a plurality of bits for indicating the plurality of SRIs.
- the transceiver unit 520 is further configured to:
- the corresponding relationship information is sent to the terminal device, where the correspondence relationship information includes a correspondence between each SRI of the multiple SRIs and at least one power control parameter.
- processing unit 510 is specifically configured to:
- the at least one power control parameter corresponding to the target SRI is determined as a power control parameter of the uplink data.
- the target SRI is a plurality of second SRIs of the plurality of SRIs; wherein the processing unit 510 is further configured to:
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power, or the at least one power control parameter includes information of a downlink signal, where the information of the downlink signal is used by the terminal device to measure The path loss value used to determine the uplink transmit power.
- the at least one power control parameter includes a path loss value used by the terminal device to determine an uplink transmit power, where the processing unit 510 is specifically configured to:
- the path loss value corresponding to each of the plurality of second SRIs is weighted and averaged to obtain a target path loss value, and the target path loss value is determined as a path loss value for determining an uplink transmission power of the uplink data.
- the downlink signal includes: a downlink synchronization signal block SSB or a channel state information reference signal. No. CSI-RS.
- the at least one power control parameter includes an open loop power control parameter and/or a closed loop power control parameter.
- the transceiver unit 520 is further configured to:
- network device 600 can include a processor 610, a transceiver 620, and a memory 630.
- the memory 630 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 610.
- the various components in the network device 600 are connected by a bus system, wherein the bus system includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- the network device 600 shown in FIG. 6 can implement the various processes implemented by the network device in the foregoing method embodiment of FIG. 2. To avoid repetition, details are not described herein again. That is to say, the method embodiment in the embodiment of the present invention may be applied to a processor or implemented by a processor.
- each step of the method embodiment in the embodiment of the present invention may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. More specifically, the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software modules 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 processor may be an integrated circuit chip with signal processing capability, and the methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or executed.
- the above 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 Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
- the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the memory 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 (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical 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.
- the memory in the embodiment of the present invention may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
- SDRAM Synchronous dynamic random access memory
- DDR double data rate synchronous dynamic random access memory
- ESDRAM enhanced synchronous dynamic random access memory
- SLWR synchronous connection dynamics Random access memory
- DR RAM direct memory bus
- the words “at time” as used herein may be interpreted as “if” or “if” or “when” or “in response to determining” or “in response to detecting” ".
- the phrase “if determined” or “if detected (conditions or events stated)” may be interpreted as “when determined” or “in response to determination” or “when detected (stated condition or event) "Time” or “in response to a test (condition or event stated)”.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are merely illustrative
- the division of the unit is only a logical function division, and the actual implementation may have another division manner.
- multiple units or components may be combined or integrated into another system, or some features may 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 objectives of the embodiments of the present invention.
- each functional unit in the embodiment of the present invention 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 technical solution of the embodiments of the present invention may be embodied in the form of a software product stored in a storage medium.
- the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory, a random access memory, a magnetic disk, or an optical disk.
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Abstract
Description
Claims (34)
- 一种传输数据的方法,其特征在于,包括:终端设备从调度上行数据的下行控制信息DCI中,获取多个探测参考信号资源指示SRI,所述多个SRI中的每个SRI对应至少一个功率控制参数;所述终端设备在所述多个SRI中确定目标SRI;所述终端设备根据所述目标SRI对应的至少一个功率控制参数,确定所述上行数据的功率控制参数;所述终端设备根据所述上行数据的功率控制参数,确定所述上行数据的发射功率。
- 根据权利要求1所述的方法,其特征在于,所述获取多个探测参考信号资源指示SRI,包括:所述终端设备接收网络设备发送的位图比特序列,所述位图比特序列包括多个比特,所述多个比特用于指示所述多个SRI。
- 根据权利要求1或2所述的方法,其特征在于,所述终端设备在所述多个SRI中确定目标SRI,包括:所述终端设备将所述多个SRI中第一个指示的SRI,确定为所述目标SRI。
- 根据权利要求1或2所述的方法,其特征在于,所述终端设备在所述多个SRI中确定目标SRI,包括:所述终端设备将所述多个SRI中,与所述上行数据传输采用相同波束或者相同天线集合传输SRS的SRS资源对应的SRI,确定为所述目标SRI。
- 根据权利要求1或2所述的方法,其特征在于,所述终端设备在所述多个SRI中确定目标SRI,包括:所述终端设备将所述多个SRI中,与所述上行数据具有准同址关系的SRS资源对应的SRI,确定为所述目标SRI。
- 根据权利要求1或2所述的方法,其特征在于,所述上行数据包括所述DCI调度的物理上行共享信道PUSCH所承载的上行数据中的部分数据。
- 根据权利要求6所述的方法,其特征在于,所述PUSCH所承载的上行数据包括N个传输层的数据,所述上行数据包括所述N个传输层中的M个传输层的数据,其中,N>M>0。
- 根据权利要求7所述的方法,其特征在于,所述目标SRI对应所述M个传输层的数据。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述多个SRI中的第一SRI对应的至少一个功率控制参数为所述第一SRI所指示的SRS资源上传输SRS所使用的功率控制参数。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述终端设备在所述多个SRI中确定目标SRI之前,所述方法还包括:所述终端设备接收网络设备发送的对应关系信息,所述对应关系信息包括所述多个SRI中的每个SRI与至少一个功率控制参数的对应关系。
- 根据权利要求1至10中任一项所述的方法,其特征在于,所述终端设备根据所述目标SRI对应的至少一个功率控制参数,确定所述上行数据的功率控制参数,包括:所述终端设备将所述目标SRI对应的至少一个功率控制参数,确定为所述上行数据的功率控制参数。
- 根据权利要求1至10中任一项所述的方法,其特征在于,所述目标SRI为所述多个SRI中的多个第二SRI;其中,所述终端设备根据所述目标SRI对应的至少一个功率控制参数,确定所述上行数据的功率控制参数,包括:所述终端设备将所述多个第二SRI对应的多个功率控制参数进行处理后,确定所述上行数据的功率控制参数。
- 根据权利要求1至12中任一项所述的方法,其特征在于,所述至少一个功率控制参数包括用于所述终端设备确定上行发射功率的路损值,或者,所述至少一个功率控制参数包括下行信号的信息,所述下行信号的信息用于所述终端设备测量用于确定上行发射功率的路损值。
- 根据权利要求12和13所述的方法,其特征在于,所述至少一个功率控制参数包括用于所述终端设备确定上行发射功率的路损值;其中,所述终端设备将所述多个第二SRI对应的多个功率控制参数进行处理后,确定所述上行数据的功率控制参数,包括:所述终端设备将所述多个第二SRI各自对应的路损值进行加权平均后,得到目标路损值;所述终端设备将所述目标路损值确定为用于确定所述上行数据的上行 发射功率的路损值。
- 根据权利要求13或14所述的方法,其特征在于,所述下行信号包括:下行同步信号块SSB或信道状态信息参考信号CSI-RS。
- 根据权利要求1至15中任一项所述的方法,其特征在于,所述至少一个功率控制参数包括开环功率控制参数和/或闭环功率控制参数。
- 根据权利要求1至16中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备根据所述上行数据的发射功率,发送所述上行数据;或者,所述终端设备根据所述上行数据的发射功率,确定功率余量报告PHR;或者,所述终端设备根据所述上行数据的发射功率,确定除所述上行数据之外的其它上行信号的发射功率。
- 一种终端设备,其特征在于,包括:获取单元,用于从调度上行数据的下行控制信息DCI中,获取多个探测参考信号资源指示SRI,所述多个SRI中的每个SRI对应至少一个功率控制参数;处理单元,用于:在所述多个SRI中确定目标SRI;根据所述目标SRI对应的至少一个功率控制参数,确定所述上行数据的功率控制参数;根据所述上行数据的功率控制参数,确定所述上行数据的发射功率。
- 根据权利要求18所述的终端设备,其特征在于,所述获取单元具体用于:接收网络设备发送的位图比特序列,所述位图比特序列包括多个比特,所述多个比特用于指示所述多个SRI。
- 根据权利要求18或19所述的终端设备,其特征在于,所述处理单元具体用于:将所述多个SRI中第一个指示的SRI,确定为所述目标SRI。
- 根据权利要求18或19所述的终端设备,其特征在于,所述处理单元具体用于:将所述多个SRI中,与所述上行数据传输采用相同波束或者相同天线集合传输SRS的SRS资源对应的SRI,确定为所述目标SRI。
- 根据权利要求18或19所述的终端设备,其特征在于,所述处理单元具体用于:将所述多个SRI中,与所述上行数据具有准同址关系的SRS资源对应的SRI,确定为所述目标SRI。
- 根据权利要求18或19所述的终端设备,其特征在于,所述上行数据包括所述DCI调度的物理上行共享信道PUSCH所承载的上行数据中的部分数据。
- 根据权利要求23所述的终端设备,其特征在于,所述PUSCH所承载的上行数据包括N个传输层的数据,所述上行数据包括所述N个传输层中的M个传输层的数据,其中,N>M>0。
- 根据权利要求24所述的终端设备,其特征在于,所述目标SRI对应所述M个传输层的数据。
- 根据权利要求18至25中任一项所述的终端设备,其特征在于,所述多个SRI中的第一SRI对应的至少一个功率控制参数为所述第一SRI所指示的SRS资源上传输SRS所使用的功率控制参数。
- 根据权利要求18至25中任一项所述的终端设备,其特征在于,所述获取单元还用于:在所述多个SRI中确定目标SRI之前,接收网络设备发送的对应关系信息,所述对应关系信息包括所述多个SRI中的每个SRI与至少一个功率控制参数的对应关系。
- 根据权利要求18至27中任一项所述的终端设备,其特征在于,所述处理单元具体用于:将所述目标SRI对应的至少一个功率控制参数,确定为所述上行数据的功率控制参数。
- 根据权利要求18至27中任一项所述的终端设备,其特征在于,所述目标SRI为所述多个SRI中的多个第二SRI;其中,所述处理单元还用于:将所述多个第二SRI对应的多个功率控制参数进行处理后,确定所述上行数据的功率控制参数。
- 根据权利要求18至29中任一项所述的终端设备,其特征在于,所述至少一个功率控制参数用于所述终端设备确定上行发射功率的路损值,或者,所述至少一个功率控制参数包括下行信号的信息,所述下行信号的信息用于所述终端设备测量用于确定上行发射功率的路损值。
- 根据权利要求29和30所述的终端设备,其特征在于,所述至少一个功率控制参数包括用于所述终端设备确定上行发射功率的路损值;其中,所述处理单元具体用于:将所述多个第二SRI各自对应的路损值进行加权平均后,得到目标路损值;将所述目标路损值确定为用于确定所述上行数据的上行发射功率的路损值。
- 根据权利要求30或31所述的终端设备,其特征在于,所述下行信号包括:下行同步信号块SSB或信道状态信息参考信号CSI-RS。
- 根据权利要求18至32中任一项所述的终端设备,其特征在于,所述至少一个功率控制参数包括开环功率控制参数和/或闭环功率控制参数。
- 根据权利要求18至33中任一项所述的终端设备,其特征在于,所述收发单元还用于:根据所述上行数据的发射功率,发送所述上行数据;或者,所述处理单元还用于:根据所述上行数据的发射功率,确定功率余量报告PHR;或者,根据所述上行数据的发射功率,确定除所述上行数据之外的其它上行信号的发射功率。
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CN116235566A (zh) * | 2020-09-30 | 2023-06-06 | 华为技术有限公司 | 一种上行功率控制方法及设备 |
CN114390657B (zh) * | 2020-10-16 | 2024-02-27 | 维沃移动通信有限公司 | 功率确定方法、装置、终端及可读存储介质 |
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WO2023102508A1 (en) * | 2021-12-02 | 2023-06-08 | Qualcomm Incorporated | Power control for sounding reference signal resource indicator based antenna selection |
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CN111279756A (zh) | 2020-06-12 |
US20200389267A1 (en) | 2020-12-10 |
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JP2021503203A (ja) | 2021-02-04 |
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