WO2022083752A1 - 一种阵面选择方法、终端、网络设备及存储介质 - Google Patents
一种阵面选择方法、终端、网络设备及存储介质 Download PDFInfo
- Publication number
- WO2022083752A1 WO2022083752A1 PCT/CN2021/125791 CN2021125791W WO2022083752A1 WO 2022083752 A1 WO2022083752 A1 WO 2022083752A1 CN 2021125791 W CN2021125791 W CN 2021125791W WO 2022083752 A1 WO2022083752 A1 WO 2022083752A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- auxiliary information
- network device
- information
- reference signal
- Prior art date
Links
- 238000010187 selection method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 211
- 238000000034 method Methods 0.000 claims abstract description 81
- 238000004590 computer program Methods 0.000 claims description 23
- 230000005855 radiation Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000003491 array Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 15
- 230000011664 signaling Effects 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 102100037250 EP300-interacting inhibitor of differentiation 1 Human genes 0.000 description 1
- 102100037245 EP300-interacting inhibitor of differentiation 2 Human genes 0.000 description 1
- 101000881670 Homo sapiens EP300-interacting inhibitor of differentiation 1 Proteins 0.000 description 1
- 101000881675 Homo sapiens EP300-interacting inhibitor of differentiation 2 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
- H04B7/06956—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping using a selection of antenna panels
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/328—Reference signal received power [RSRP]; Reference signal received quality [RSRQ]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
-
- 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
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
-
- 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
Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a method, terminal, network device and storage medium for selecting a front surface.
- the current processing mechanism is to perform power back-off, that is, reduce the uplink transmission power. .
- the uplink coverage will be deteriorated. How to avoid or reduce the uplink coverage deterioration of the multi-front terminal after the power backoff is a problem that needs to be considered at present.
- Embodiments of the present application provide a method, terminal, network device, and storage medium for selecting a front plane, so as to solve the problem of uplink coverage loss caused by the inability of network equipment to accurately select a front plane when an MPE problem occurs in a multi-front terminal.
- an embodiment of the present application provides a method for selecting a front surface, including:
- auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- the indication information sent by the network device based on the auxiliary information, where the indication information is used to indicate a front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- an embodiment of the present application provides a method for selecting a front surface, including:
- the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- an embodiment of the present application provides a terminal, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- the maximum power backoff P-MPR value of the plane is not limited to the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- the indication information sent by the network device based on the auxiliary information, where the indication information is used to indicate a front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- an embodiment of the present application provides a network device, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- an embodiment of the present application provides a device for selecting an array, including:
- a sending module configured to send auxiliary information to the network device, where the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, one or more fronts of the terminal when the maximum power radiation MPE event occurs The corresponding front-based maximum power backoff P-MPR value.
- a receiving module configured to receive the indication information sent by the network device based on the auxiliary information, wherein the indication information is used to indicate the frontier used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink Beam scanning.
- an embodiment of the present application provides a device for selecting an array, including:
- a receiving module configured to receive auxiliary information sent by the terminal, where the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, one or more fronts of the terminal when the maximum power radiation MPE event occurs The corresponding front-based maximum power backoff P-MPR value;
- a determining module configured to determine, according to the auxiliary information, a front used by the terminal to perform new uplink beam scanning or subsequent uplink transmission;
- a sending module configured to send indication information to the terminal, wherein the indication information is used to indicate the front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- an embodiment of the present application provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is used to cause a processor to execute the first aspect or the second aspect.
- the method, terminal, network device, and storage medium provided by the embodiments of the present application transmit auxiliary information to the network device, and the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission or the terminal's information when an MPE event occurs.
- the P-MPR value corresponding to one or more fronts can accurately reflect the performance difference of different transmission fronts of the terminal based on the auxiliary information, so that the network device can accurately indicate the array used by the terminal for subsequent uplink transmission based on the auxiliary information. face, or instruct the terminal to perform a new uplink beam scan, which reduces the loss of uplink coverage caused by the MPE problem.
- FIG. 1 is a flowchart of steps of a method for selecting a front face applied to a terminal in an embodiment of the present application
- FIG. 2 is a flowchart of steps of a method for selecting a front face applied to a network device in an embodiment of the present application
- FIG. 3 is a schematic structural diagram of a terminal in an embodiment of the present application.
- FIG. 4 is a schematic structural diagram of a network device in an embodiment of the application.
- FIG. 5 is a block diagram of a module of an apparatus for selecting a front face applied to a terminal in an embodiment of the present application
- FIG. 6 is a block diagram of a module of an apparatus for selecting a front face applied to a network device in an embodiment of the present application
- Fig. 7 is one of the structural representations of MCE CE in the embodiment of the application.
- FIG. 8 is the second schematic structural diagram of the MCE CE in the embodiment of the application.
- the terminal when the terminal detects the occurrence of the Maximum Power Exposure (MPE) event, the terminal will determine the maximum allowable power backoff value and perform the corresponding power backoff. When the power backoff value within a certain period of time If it is greater than a certain threshold value (“phr-Tx-PowerFactorChange” dB), the terminal will initiate a Power Headroom Report (PHR) report, which will be based on the Panel Maximum Power Reduction (Panel Maximum Power Reduction) value and The maximum transmit power value is reported to the base station through a Media Access Control-Control Element (Media Access Control-Control Element, MAC-CE).
- MPE Maximum Power Exposure
- PHR Power Headroom Report
- the base station receives the MPE report from the terminal, and knows that the terminal encounters an MPE problem, and uses P-MPR for power backoff.
- the maximum output power after backoff is P CMAXfc , and the current power transmission margin is PH.
- the base station re-adjusts the resource configuration of the terminal's transmission signal according to these parameters. For example, the base station can estimate the duty cycle (duty cycle) of uplink transmission that the terminal does not require power back-off to meet the radiation limit requirements according to these parameters, or the base station can also reduce the uplink transmission. Modulation and Coding Scheme (MCS) for transmission, or reduce the number of physical resource blocks transmitted by the terminal.
- MCS Modulation and Coding Scheme
- the situation that the terminal has multiple fronts is not considered.
- the transmission paths between each terminal transmission front and the base station are different, and the occurrence of MPE occlusion events on each transmission front is also independent.
- the existing P-MPR reporting scheme cannot accurately reflect the performance difference of different transmission fronts of the terminal, so that when the base station receives the report from the terminal, it cannot use the feedback information of the terminal to instruct the terminal to select multiple transmission fronts. Reduce the loss or reduction of uplink coverage caused by the MPE problem.
- the embodiments of the present application provide a method, terminal, network device, and storage medium for selecting a front plane, so as to solve the problem that the existing solution cannot use the feedback information of the terminal to instruct the terminal to select multiple transmission fronts.
- the method and the device are conceived based on the same application. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated here.
- the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband Code Division Multiple Access
- general packet Wireless service general packet Radio service
- GPRS general packet Wireless service
- LTE long term evolution
- LTE frequency division duplex frequency division duplex
- time division duplex time division duplex
- TDD Time division duplex
- the terminal device involved in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
- the name of the terminal device may be different.
- the terminal device may be called user equipment (User Equipment, UE).
- Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
- RAN Radio Access Network
- "telephone) and computers with mobile terminal equipment eg portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
- Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present application.
- the terminal equipment and other network equipment eg, core network equipment, access network equipment (ie base station)
- the terminal equipment is also regarded as a kind of network equipment.
- the network device involved in the embodiments of the present application may be a base station, and the base station may include a plurality of cells providing services for the terminal.
- the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names.
- the network device can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal device and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
- IP Internet Protocol
- the network devices may also coordinate attribute management for the air interface.
- the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile Communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA). ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present application.
- a network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be geographically separated.
- FIG. 1 it is a flowchart of steps of a method for selecting a front face applied to a terminal in an embodiment of the present application, and the method includes the following steps:
- Step 101 Send auxiliary information to the network device.
- the terminal has at least two fronts.
- the terminal sends auxiliary information through the network device, which is used to enable the network device to determine the front used by the terminal for subsequent uplink transmission, or to determine that the terminal performs a new uplink beam scan; that is, the terminal sends the auxiliary information to the network device, so that the network device can be based on
- the auxiliary information determines the front used by the terminal for subsequent uplink transmission, or determines that the terminal performs a new uplink beam scan.
- the auxiliary information may include at least one of the following: identification information of the optimal reference signal required for uplink transmission, and P-MPR values corresponding to one or more fronts of the terminal when the MPE event occurs. That is, the terminal can send the identification information of the optimal reference signal required for uplink transmission to the network device as auxiliary information, and/or send the P-MPR value corresponding to one or more fronts of the terminal as auxiliary information to the network device. .
- the identification information of the optimal reference signal required for uplink transmission may be a channel state information reference signal index (CRI for short) or a synchronization signal block index (SSBRI for short).
- CRI channel state information reference signal index
- SSBRI synchronization signal block index
- the optimal reference signal required for uplink transmission may refer to the reference signal with the highest uplink transmission power value. This enables the network device to specify the front with the best performance based on the optimal reference signal, so that the network device can select the front or beam corresponding to the optimal reference signal required for uplink transmission as the front used for uplink transmission Or beams, thereby reducing the uplink coverage loss caused by the MPE problem.
- the terminal may also send the P-MPR value corresponding to one front, or the P-MPR value corresponding to each of the multiple fronts, to the network device.
- the multiple fronts may also be all fronts of the terminal.
- the P-MPR value can be the P-MPR value of the front where the MPE problem occurs, so that the network device can directly base on the P-MPR value of the front.
- the MPR value selects other fronts or beams for subsequent uplink transmission.
- the P-MPR report can accurately reflect the performance difference of different fronts of the terminal, so that the network device can know the P-MPR value for a specific front, so that the network device can Based on this, the transmission front is selected, and the front or beam with the highest beam intensity can be used as the front or beam used for subsequent uplink transmission, which reduces the loss or reduction of uplink coverage caused by the MPE problem.
- the uplink transmission may include a physical uplink control channel (PUCCH for short), a physical uplink shared channel (PUSCH for short) or a channel sounding reference signal (SRS for short).
- PUCCH physical uplink control channel
- PUSCH physical uplink shared channel
- SRS channel sounding reference signal
- Step 102 Receive indication information sent by the network device based on the auxiliary information.
- the indication information is used to indicate the front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- the network device can determine the front or beam used by the terminal to perform new uplink beam scanning or subsequent uplink transmission based on the auxiliary information, and send indication information to the terminal.
- the terminal may indicate through the UL TCI structure.
- the performance difference of different transmission fronts of the terminal can be accurately reflected, thereby ensuring the high quality of the determined front or beam used by the terminal for subsequent uplink transmission, and reducing the uplink coverage loss caused by the MPE problem.
- the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission or the P-MPR value corresponding to one or more fronts of the terminal when the MPE event occurs. Based on the auxiliary information, the performance difference of different transmission fronts of the terminal can be accurately reflected, so that the network device can accurately indicate the front or beam used by the terminal for subsequent uplink transmission based on the auxiliary information, or instruct the terminal to perform a new uplink beam scan.
- the uplink coverage loss caused by the MPE problem is reduced.
- the auxiliary information when the auxiliary information includes a P-MPR value corresponding to one or more fronts of the terminal, the auxiliary information may further include MPE events; and/or, one or more fronts The corresponding reference signal received power (RSRP for short).
- RSRP reference signal received power
- the terminal when the terminal reports the P-MPR value corresponding to one or more fronts to the network device, it can also report MPE events at the same time, and report the RSRP corresponding to one or more fronts at the same time, or report MPE events and one or more fronts at the same time.
- RSRP corresponding to multiple fronts so that the network device can further refer to the above information to select the front or beam used for subsequent uplink transmission.
- the triggering condition of the MPE event may include that the P-MPR value is greater than the preset backoff value within the preset period; or, for any front, the RSRP estimated value of the uplink beam is smaller than the preset value.
- the network device may control the terminal to report the auxiliary information, and the terminal may also report the auxiliary information autonomously.
- the two methods will be described below respectively.
- auxiliary information when sending auxiliary information to a network device, it may include any of the following methods:
- the notification information sent by the network device is received, and auxiliary information is sent to the network device according to the notification information.
- the notification information is used to notify the terminal to report the identification information of the optimal reference signal required for uplink transmission, and at this time, the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission.
- the network device can configure reference signal resources for the terminal through high-layer signaling, and configure notification information through high-layer signaling or L1 dynamic signaling to instruct the terminal to measure and report an optimal uplink transmission.
- the identification information of the reference signal (CRI/SSBRI), wherein the high-layer signaling includes L2 signaling or L3 signaling.
- the notification information of the high-level signaling configuration can be as follows:
- the notification information is used to notify the terminal to report the P-MPR value corresponding to one or more fronts of the terminal, and in this case, the auxiliary information includes the P-MPR value corresponding to one or more fronts of the terminal.
- the notification information is used to notify the terminal to report the identification information of the optimal reference signal required for uplink transmission and the P-MPR value corresponding to one or more fronts of the terminal.
- the auxiliary information includes one or more P-MPR values corresponding to each of the fronts, and the auxiliary information at this time includes the identification information of the optimal reference signal required for uplink transmission and the P-MPR values corresponding to one or more fronts of the terminal.
- the network device triggers the terminal to send the auxiliary information, so that the network device notifies the terminal to send the auxiliary information when it needs to obtain the auxiliary information, thereby avoiding the invalid sending of the auxiliary information by the terminal.
- the notification information is further used to notify the terminal to report the RSRP after the power backoff, and at this time, the auxiliary information further includes the RSRP after the power backoff.
- the RSRP may be L1-RSRP, so that the network device can assist in determining the optimal beam according to the RSRP reported by the terminal after the MPE event occurs.
- the terminal may also report capability information to the network device, where the capability information is used to indicate that the terminal has the capability of adding a power backoff value to the calculation of the optimal reference signal.
- the terminal with multiple fronts needs to report the capability to notify the network device that the terminal has the ability to consider the power backoff value in the calculation of the optimal reference signal, thus indicating that the terminal reported
- the optimal reference signal has considered the influence of power backoff, which ensures the reliability of the optimal reference signal under the MPE problem.
- the terminal before the terminal sends the auxiliary information to the network device according to the notification information, it also needs to use each front to perform RSRP measurement on the reference signal configured by the network device, and obtain the RSRP of the reference signal measured by each front; Then, according to the RSRP of the reference signal measured by each front and the P-MPR value of each front, the reference signal with the highest uplink transmission power value is determined, and the reference signal with the highest transmission power value is determined as the uplink transmission. the optimal reference signal required.
- the terminal after the terminal receives the notification message, it measures the quality of the downlink received signal according to the configuration of the network equipment, and determines the optimal reference signal for uplink transmission according to the measurement result and the power backoff when encountering the MPE problem, and finally the optimal reference signal.
- the identification information ie CRI/SSBRI
- CRI/SSBRI CRI/SSBRI
- the network device can use the front or beam corresponding to the optimal reference signal as the follow-up A front or beam for uplink transmission to reduce uplink coverage loss caused by MPE problems.
- the terminal performs capability reporting and informs the network device that the terminal considers power backoff in the calculation of the optimal reference signal; in addition, the network The device configures two channel state information reference signal (CSI-RS) resources for the terminal, denoted as the first CSI-RS resource and the second CSI-RS resource, and configures the terminal to downlink the first CSI-RS through the first array
- the resource is measured and the second CSI-RS resource is measured by the second front.
- the configuration information is:
- the terminal performs measurement according to the configuration of the network device, and obtains the first RSRP of the measurement value on the first front and the second RSRP of the measurement value on the second front.
- the terminal estimates the uplink transmit power values of the first front and the second front according to the first RSRP and the second RSRP value.
- the terminal detects that there is human occlusion in the direction of the first front, and determines that the power backoff value is the first P-MPR.
- the terminal determines that the power backoff value in the direction of the second front is the second P-MPR. (If there is no occlusion, this value is 0).
- the terminal compares the magnitude between the value of the first RSRP - the first P-MPR and the value of the second RSRP - the second P-MPR. If the first RSRP - the first P-MPR ⁇ the second RSRP - the second P-MPR, the terminal determines that the beam intensity of the uplink signal sent by the second front is greater than that of the first front, and the terminal reports to the network device corresponding to the second front.
- CSI-RS resource instructing the terminal to use the corresponding beam or front for the best uplink transmission performance.
- the network device instructs the terminal through the UL TCI-state to send the PUSCH with the receiving beam or front containing the second CSI-RS. After receiving the instruction from the network device, the terminal sends the PUSCH with the corresponding beam on the front.
- the terminal when the terminal detects the occurrence of the MPE event, it sends auxiliary information to the network device.
- the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission, and/or the P-MPR value corresponding to one or more fronts of the terminal.
- the terminal when the terminal detects the occurrence of an MPE event, the terminal can determine the P-MPR value corresponding to one or more fronts and/or the identification information of the optimal reference signal required for uplink transmission, and send it to the network
- the resource configured by the device notifies the network device of the P-MPR value corresponding to the one or more arrays and/or the identification information of the optimal reference signal required for uplink transmission, so that the network device can be based on the one or more arrays.
- the P-MPR value corresponding to the plane and/or the identification information of the optimal reference signal required for uplink transmission determines and selects the plane used by the terminal for subsequent uplink transmission and indicates it to the terminal.
- the network device configures the terminal through RRC signaling with PUCCH resources for transmitting MPE events.
- the network device configures a time slot m and a timing offset for transmitting the PUCCH to the terminal.
- the terminal detects that the P-MPR value on panel-ID0 exceeds the threshold value predefined by the system, that is, an MPE event occurs, and the terminal sends the MPE event and panel-ID0 on the PUCCH resource configured by the system. on the P-MPR0.
- the indication of sending a Panel may be an explicit panel-ID indication, or an implicit indication through an uplink/downlink reference signal.
- the network device After the network device receives and demodulates the PUCCH, it learns that an MPE problem occurs on the terminal panel-ID0. At this time, the network device instructs the terminal to use panel-ID1 to send uplink data in subsequent uplink data transmission. In the subsequent uplink data transmission process, the terminal uses the panel-ID1 indicated by the network device to send the uplink signal. Of course, if the terminal does not receive an instruction from the network device, the terminal continues to use panel-ID0 for uplink data transmission by default.
- the terminal has two panels, which are represented as panel-ID0 and panel-ID1.
- the network device instructs the terminal to report the P-MPR value through MAC CE signaling.
- the network device instructs the terminal to use the PUSCH resource for sending the P-MPR value through L1 dynamic signaling.
- the terminal detects that any P-MPR value on panel-ID0 or panel-ID1 exceeds the threshold value predefined by the system, then the terminal sends the message on panel-ID0 on the PUSCH resource configured by the system.
- the P-MPR1 on the P-MPR0 and the panel-ID1, the indication of sending the panel may be an explicit panel-ID indication, or an implicit indication through an uplink/downlink reference signal.
- the network device After the network device receives and demodulates the PUSCH, if the value of P-MPR0>P-MPR1, it means that the power backoff of the signal sent by panel-ID1 is small. Assuming that the maximum transmit power of the two panels is the same, the network device determines to use panel-ID1. The beam strength of the uplink signal is greater than panel-ID0. After receiving the terminal's instruction, the network device instructs the terminal to use panel-ID1 to send uplink signals in the subsequent uplink PUSCH/PUCCH transmission through the UL TCI-state.
- request information may also be sent to the network device, where the request information is used to trigger the network device to send at least one channel state information reference signal (CSI for short for short).
- CSI channel state information reference signal
- RS channel state information reference signal
- the terminal measures the power corresponding to each CSI-RS
- the reference signal received power RSRP after the fallback is determined, and based on the measurement result, the reference signal with the highest transmit power value after the power fallback is determined as the optimal reference signal required for uplink transmission.
- the terminal measures each CSI-RS, obtains the reference signal received power RSRP corresponding to the front associated with the corresponding CSI-RS, and estimates the uplink transmission power corresponding to the front associated with the corresponding CSI-RS according to the RSRP, And determine the uplink transmit power after the power backoff of the fronts associated with the corresponding CSI-RS according to the power backoff value corresponding to the fronts associated with the corresponding CSI-RS, and set the uplink transmit power value after the power backoff to the highest
- the reference signal associated with the front is determined as the optimal reference signal required for uplink transmission.
- the terminal performs capability reporting and informs the network device that the terminal considers power backoff in the calculation of the optimal reference signal; in addition , the network device configures two channel state information reference signal (CSI-RS) resources for the terminal, denoted as the first CSI-RS resource and the second CSI-RS resource, and configures the terminal through the first front to downlink the first CSI - Measurement of the RS resource and measurement of the second CSI-RS resource by the second front.
- CSI-RS channel state information reference signal
- the terminal performs measurement according to the configuration of the network device, and obtains the measurement value L1-RSRP0 on the first front panel0 and the measurement value L1-RSRP1 on the panel1.
- the terminal estimates the uplink transmit power values P0 and P1 of panel0 and panel1 according to the L1-RSRP value. Assuming that the terminal detects that there is human occlusion in the direction of panel0, and determines that the power backoff value is p_mpr0, similarly, the terminal determines that the power backoff value in the direction of panel1 is p_mpr1 (if there is no occlusion, this value is 0).
- the terminal compares P0–p_mpr0 Size between P1–p_mpr1 values.
- the terminal determines that the beam strength of the uplink signal sent by panel 1 is greater than panel 0, and the terminal reports the CSI-RS resource 1 corresponding to the network device to instruct the base station to use the corresponding beam/panel for uplink transmission performance optimal.
- the network device instructs the terminal to send the PUSCH with the receiving beam/panel of the reference signal CSI-RS 1 contained in the UL TCI-state in the subsequent uplink PUSCH transmission.
- the terminal After receiving the instruction from the base station, the terminal sends the PUSCH using the corresponding beam on the panel.
- a first preset domain is newly added to the MAC CE, and the first preset domain contains the request information; the sending the request information to the network device includes:
- the terminal sends the request information to the network device through the MAC CE.
- the terminal determines the P-MPR value based on the front or beam and notifies the base station on the uplink transmission resources configured by the base station based on the array-based P-MPR value.
- PH for short power headroom
- the terminal triggers the base station to send at least one CSI-RS by using the first preset field (Pnew field) whose bit width is 1 bit; the base station receives the report from the terminal and sends at least one CSI-RS for Beam scanning, the terminal measures the L1-RSRP value of the CSI-RS and considers the P-MPR value on the beam corresponding to the power, selects the optimal reference signal and reports the corresponding beam index CRI to the base station, and assists the base station to select the subsequent uplink (PUCCH/PUSCH/SRS) ) to transmit the front or beam used and indicate to the terminal.
- Pnew field the first preset field
- the terminal measures the L1-RSRP value of the CSI-RS and considers the P-MPR value on the beam corresponding to the power, selects the optimal reference signal and reports the corresponding beam index CRI to the base station, and assists the base station to select the subsequent uplink (PUCCH/PUSCH/SRS) ) to transmit the front or beam used and indicate to the terminal
- the terminal has 2 panels, denoted as panel-ID1 and panel-ID2, respectively.
- Panel-ID1 is associated with CSI-RS1 and CSI-RS2
- Panel-ID2 is associated with CSI-RS3 and CSI-RS4.
- the association relationship can be pre-established by beam scanning.
- the terminal In the nth time slot, it is assumed that the terminal is scheduled to perform uplink PUSCH transmission, and the PUSCH is transmitted using the beam that receives the CSI-RS1.
- the terminal detects that panel-ID1 encounters an MPE problem and performs a power backoff.
- the power backoff value is P_MPR1 and exceeds the threshold configured by the system.
- the terminal sends an MPE report to the base station, using the power headroom report shown in Figure 7.
- the P new field with a bit width of 1 bit is used to trigger the network device to send CSI-RS.
- the network device After receiving the report from the terminal, the network device sends CSI-RS1, CSI-RS2, CSI-RS3 and CSI-RS4 for beam scanning, and the terminal measures and compares the L1-RSRP value of each CSI-RS and considers the power backoff. Influence.
- the terminal compares L1-RSRP 1,1 –P_MPR1, L1-RSRP 1,2 –P_MPR2, L1-RSRP 2,3 – P_MPR2, L1-RSRP 2,4 –P_MPR4, where L1-RSRP i, j represents panel-ID
- L1-RSRP value of the jth CSI-RS on i the terminal finds that L1-RSRP 2,4 –P_MPR4 is the largest, then the terminal considers that the beam used to receive the 4th CSI-RS on panel-ID2 is used for uplink optimal beam for transmission.
- the terminal reports the CRI-RS4 to the network device, and the network device receives the report from the terminal and instructs the terminal to send the PUSCH using the beam that receives the fourth CSI-RS on panel-ID2.
- a second preset field is newly added to the medium access control layer control element (MAC CE), and the second preset field is used to indicate the identifier of the optimal reference signal required for the uplink transmission information; the terminal sends the auxiliary information to the network equipment through the MAC CE; wherein, the auxiliary information includes the identification information of the optimal reference signal required for the uplink transmission and the P corresponding to one or more fronts of the terminal -MPR value.
- MAC CE medium access control layer control element
- the MAC CE after the second preset field is added is shown in Figure 8.
- the CRI/SSBRI field in the MAC CE is the newly added second preset field.
- the value of CRI/SSBRI and the beam can be set by setting Or the corresponding relationship between the fronts, to realize the determination of the optimal reference signal required for uplink transmission by setting the value of CRI/SSBRI.
- the terminal determines the P-MPR value based on the front/beam and notifies the network device based on the uplink transmission resources configured by the network device.
- the power backoff value of the front/beam, the maximum output power on this power backoff (P CMAX ), the power headroom (PH), and the optimal reference signal (CRI/SSBRI) required for uplink transmission see Fig. 8, to assist the network device to select the front/beam used by the terminal for subsequent uplink (PUCCH/PUSCH/SRS) transmission and indicate to the terminal.
- the optimal reference signal required for uplink transmission may refer to a candidate beam without MPE problem.
- the terminal has 2 panels, denoted as panel-ID0 and panel-ID1.
- the terminal detects that the MPE value of the beam transmitted on panel-ID0 exceeds the threshold specified by the environmental supervision department, and the terminal performs power backoff for the beam on panel-ID0.
- the power backoff value P-MPR is 6dB, which exceeds the threshold value (for example, 3dB) pre-specified by the network
- the terminal triggers the MPE report, and transmits the MAC CE shown in Figure 8 on the uplink transmission resources that have been allocated by the network device. to network equipment.
- the MPE field is set to 01 (2 bits), indicating that the absolute value of the P-MPR actually used is 6dB; at the same time, the value of the CRI/SSBRI field is 1, indicating that the P-MPR on panel-ID1 is 1.
- Beam 1 is used as a candidate beam without power backoff for subsequent uplink transmission.
- the network device instructs the terminal to send the PUSCH using the receiving beam/panel of CSI-RS1 through the UL TCI-state in the subsequent uplink PUSCH transmission.
- the terminal After receiving the instruction from the base station, the terminal sends the PUSCH using the corresponding beam on panel-ID1.
- the terminal has 2 panels, which are denoted as panel-ID1 and panel-ID2 respectively.
- Panel-ID1 is associated with CSI-RS1 and CSI-RS2
- Panel-ID2 is associated with CSI-RS3 and CSI-RS4, and this association can be pre-established by beam scanning.
- the terminal is scheduled to perform uplink PUSCH transmission, and the PUSCH is transmitted using the beam that receives the CSI-RS1.
- the terminal detects that panel-ID1 encounters an MPE problem and performs a power backoff.
- the power backoff value is P_MPR1 and exceeds the threshold configured by the system.
- the terminal sends an MPE report to the network device, using the power headroom shown in Figure 8.
- Reported Media Access Control Control Element PHR MAC-CE
- the network device After the network device receives the report from the terminal, the network device sends CSI-RS1, CSI-RS2, CSI-RS3, and CSI-RS4 for beam scanning.
- the terminal measures and compares the L1-RSRP value of each CSI-RS and considers the power backoff.
- Influence such as terminal comparison L1-RSRP 1,1 –P_MPR1,L1-RSRP 1,2 –P_MPR2,L1-RSRP 2,3 – P_MPR2,L1-RSRP 2,4 –P_MPR4, where L1-RSRP i,j represent panel - The L1-RSRP value of the jth CSI-RS on ID i, the terminal finds that L1-RSRP 1 , 1 – P_MPR1, L1-RSRP 1, 2 – P_MPR2 is the largest and the next largest, which are expressed as L1-RSRP new, 1 and L1-RSRP new,2 .
- the terminal reports L1-RSRP new,1 +CRI1, L1-RSRP new,2 +CRI2 to the network device.
- the network device receives the report from the terminal, selects a beam, such as the beam receiving CSI-RS1 as the optimal beam for uplink transmission, and instructs the terminal to use the beam receiving the first CSI-RS on panel-ID1 to send the PUSCH.
- the terminal sends the auxiliary information autonomously, so that the terminal reports the auxiliary information immediately after the MPE event occurs, so that the network device can timely select the front or beam used by the terminal for subsequent uplink transmission, thereby reducing the MPE.
- the auxiliary information can be sent in any of the above-mentioned manners.
- the terminal when the terminal sends the auxiliary information to the network device, it may include any of the following items:
- the terminal may send the auxiliary information periodically, semi-persistently or aperiodically, which is not specifically limited here, so as to ensure the flexibility of the way of sending the auxiliary information.
- the auxiliary information may be sent to the network device through a physical random access channel (PRACH for short), PUCCH or PUSCH, which is not specifically limited here.
- PRACH physical random access channel
- the method for selecting a front surface sends auxiliary information to the network device, and the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission or the information of one or more fronts of the terminal when the MPE event occurs.
- the corresponding P-MPR value enables the auxiliary information to accurately reflect the performance differences of different transmission fronts of the terminal, so that the network device can accurately select the front or beam used for subsequent uplink transmission based on the auxiliary information, reducing the MPE.
- FIG. 2 it is a flowchart of steps of a method for selecting a front face applied to a network device in an embodiment of the present application, and the method includes:
- Step 201 Receive auxiliary information sent by the terminal.
- the auxiliary information includes at least one of the following: the identification information of the optimal reference signal required for uplink transmission, and the P-MPR value corresponding to one or more fronts of the terminal when the MPE event occurs.
- the network device receives the auxiliary information sent by the terminal, and the auxiliary information may include the identification information of the optimal reference signal required for uplink transmission, and/or include the information corresponding to one or more fronts of the terminal when the MPE event occurs. P-MPR value.
- Step 202 Determine the front used by the terminal to perform new uplink beam scanning or subsequent uplink transmission according to the auxiliary information.
- the network device may determine the terminal to perform a new uplink beam scan according to the auxiliary information, that is, control the terminal to perform a new uplink beam scan to reselect a front or beam, or according to the auxiliary information Determine the front used by the terminal for subsequent uplink transmission to achieve the selection of the optimal front or beam, thereby reducing the loss of uplink coverage caused by the MPE problem.
- Step 203 Send indication information to the terminal.
- the indication information is used to indicate the front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- the network device After determining the front or beam used by the terminal for new uplink beam scanning or subsequent uplink transmission, the network device sends indication information to the terminal to indicate the front or beam used by the terminal for subsequent uplink transmission, or Instruct the terminal to perform a new uplink beam scan.
- the auxiliary information sent by the terminal is received, and the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission and/or the P-value corresponding to one or more fronts of the terminal when the MPE event occurs.
- the MPR value based on the auxiliary information, can accurately reflect the performance difference of different transmission fronts of the terminal, so that the network device can accurately select the front or beam used for subsequent uplink transmission based on the auxiliary information, reducing the problem of MPE. loss of uplink coverage.
- the network device when the network device determines the front or beam used by the terminal for subsequent uplink transmission according to the auxiliary information, it may use any of the following methods:
- the front or beam corresponding to the optimal reference signal required for uplink transmission is determined as the front or beam used by the terminal for subsequent uplink transmission. beam.
- the network device can directly determine the front or beam corresponding to the optimal reference signal as the front or beam used by the terminal for subsequent uplink transmission, thus, it is ensured that the determined beam intensity of the front or beam used by the terminal for subsequent uplink transmission is the highest beam intensity, and the loss of uplink coverage caused by the MPE problem is avoided.
- the front or the highest uplink transmit power value is determined based on the P-MPR value corresponding to one or more fronts of the terminal. beam, and determine the front or beam with the highest uplink transmit power value as the front or beam used by the terminal for subsequent uplink transmission.
- the terminal can select all fronts or Determine the front or beam with the highest uplink transmit power value among the beams, that is, select the front or beam with the highest beam intensity, and determine the front or beam as the front or beam used by the terminal for subsequent uplink transmission.
- the network device may further refer to the RSRP corresponding to the one or more fronts to determine the front with the highest uplink transmit power value or beam.
- the difference between the RSRP and P-MPR values of each front can be calculated, and the front or beam with the largest difference is determined as the front or beam with the highest uplink transmit power value.
- the network device does not receive the RSRP corresponding to one or more fronts, and can also determine the front or beam with the highest uplink transmit power value.
- the P-MPR value can be The smallest front or beam is determined as the front or beam with the highest uplink transmit power value.
- the front or beam used by the terminal for subsequent uplink transmission can be accurately determined by any of the above methods, thereby avoiding the loss of uplink coverage caused by the MPE problem.
- the auxiliary information when the auxiliary information includes P-MPR values corresponding to one or more fronts of the terminal, the auxiliary information further includes: MPE events; and/or, reference signals corresponding to one or more fronts Received power RSRP.
- the triggering conditions of the MPE event include: the P-MPR value is greater than the preset backoff value within the preset time period; or, for any front, the RSRP estimated value of the uplink beam is smaller than the preset value.
- Uplink transmission includes PUCCH, PUSCH or SRS.
- the network device when the network device receives the auxiliary information sent by the terminal, it may include any of the following methods:
- the notification information is sent to the terminal, and the auxiliary information sent by the terminal according to the notification information is received.
- the notification information is used to notify the terminal to report the identification information of the optimal reference signal required for uplink transmission and/or the P-MPR value corresponding to one or more fronts of the terminal.
- the notification information is further used to notify the terminal to report the RSRP after the power backoff, and at this time, the first auxiliary information further includes the RSRP after the power backoff.
- the network device may receive capability information sent by the terminal, where the capability information is used to indicate that the terminal has the capability of adding a power backoff value to the calculation of the optimal reference signal.
- the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, and P-MPR values corresponding to one or more fronts of the terminal.
- the network device may also receive request information sent by the terminal, where the request information is used to trigger the network device to send at least One CSI-RS performs beam scanning, wherein at least one CSI-RS is pre-associated with the front of the terminal, and one front of the terminal is associated with at least one of the CSI-RS; then the network device sends the request based on the request information.
- At least one CSI-RS performs beam scanning, so that the terminal can measure and compare the RSRP value after the power backoff of each CSI-RS, and then, based on the measurement result, determine the reference signal with the highest transmit power value as the highest value required for uplink transmission.
- the optimal reference signal, and the optimal reference signal required for uplink transmission is sent to the network device.
- the network device can determine the front and beam for uplink transmission based on the relationship between at least one CSI-RS and the front of the terminal. .
- a first preset field is newly added in the MAC CE, and the first preset field contains the request information; the terminal sends the request information to the network device through the MAC CE.
- a second preset field is newly added to the MAC CE, and the second preset field is used to indicate the identification information of the optimal reference signal required for the uplink transmission; Auxiliary information sent by the MAC CE.
- the network device can control the terminal to send auxiliary information or the terminal autonomously sends auxiliary information when triggering an MPE event.
- the network device can control the terminal to send auxiliary information or the terminal autonomously sends auxiliary information when triggering an MPE event.
- the network device receives auxiliary information sent by the terminal, including any of the following:
- the network device may also receive the auxiliary information sent by the terminal through PRACH, PUCCH or PUSCH.
- the network device receives auxiliary information and selects a front or beam for subsequent uplink transmission by the terminal based on the auxiliary information, or determines that the terminal performs a new uplink beam scan, and the front of the terminal can be reflected based on the auxiliary information. Therefore, the terminal can avoid the loss of uplink coverage caused by the MPE problem after using the front or beam selected by the network device or scanning a new uplink beam.
- FIG. 3 is a schematic structural diagram of a terminal provided by an embodiment of the present application, including a memory 320 , a transceiver 300 , and a processor 310 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 310 and various circuits of memory represented by memory 320 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
- the bus interface provides the interface.
- Transceiver 300 may be multiple elements, ie, including transmitters and receivers, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- the processor 310 is responsible for managing the bus architecture and general processing, and the memory 320 may store data used by the processor 310 in performing operations.
- the processor 310 can be a central processor (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device). , CPLD), the processor can also use a multi-core architecture.
- CPU central processor
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- FPGA field programmable gate array
- CPLD Complex Programmable Logic Device
- the processor can also use a multi-core architecture.
- the memory 320 is used to store computer programs; the transceiver 300 is used to send and receive data under the control of the processor; the processor 310 is used to read the computer program in the memory and perform the following operations:
- auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- the maximum power backoff P-MPR value of the plane is not limited to the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- the indication information sent by the network device based on the auxiliary information, where the indication information is used to indicate a front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- the auxiliary information when the auxiliary information includes a P-MPR value corresponding to one or more fronts of the terminal, the auxiliary information further includes:
- the sending auxiliary information to the network device includes:
- Receive notification information sent by the network device and send the auxiliary information to the network device according to the notification information, where the notification information is used to notify the terminal to report the identifier of the optimal reference signal required for uplink transmission information and/or a P-MPR value corresponding to one or more fronts of the terminal; or,
- the terminal When the terminal detects the occurrence of an MPE event, the terminal sends the auxiliary information to the network device.
- sending the auxiliary information to the network device further includes:
- the planes are pre-associated, and one plane of the terminal is associated with at least one of the CSI-RSs;
- the power backoff value determines the uplink transmit power after the power backoff of the front, and the reference signal associated with the front with the highest uplink transmit power value after the power backoff is determined as the optimal reference required for uplink transmission Signal.
- a first preset field is newly added in the medium access control layer control unit MAC CE, and the first preset field includes the request information;
- the sending request information to the network device includes:
- the terminal sends the request information to the network device through the MAC CE.
- a second preset field is newly added in the medium access control layer control unit MAC CE, and the second preset field is used to indicate the identification information of the optimal reference signal required for the uplink transmission;
- sending the auxiliary information to the network device includes:
- the terminal When the terminal detects that the MPE event occurs, the terminal sends the auxiliary information to the network device through the MAC CE;
- the auxiliary information includes the identification information of the optimal reference signal required for the uplink transmission and the P-MPR value corresponding to one or more fronts of the terminal.
- the notification information is further used to notify the terminal to report the RSRP after the power backoff
- the first auxiliary information further includes the RSRP after the power backoff
- the method before receiving the notification information sent by the network device, the method further includes:
- the capability information is used to indicate that the terminal has the capability of adding a power backoff value in the calculation of the optimal reference signal.
- the method before the sending the first auxiliary information to the network device according to the notification information, the method further includes:
- each front uses each front to perform RSRP measurement on the reference signal configured by the network device, and determine the RSRP of the reference signal measured by each front; according to the RSRP of the reference signal measured by each front and each array
- the P-MPR value on the surface is determined, the reference signal with the highest uplink transmission power value is determined, and the reference signal with the highest transmission power value is determined as the optimal reference signal required for the uplink transmission.
- the sending auxiliary information to the network device includes any one of the following:
- the auxiliary information is sent aperiodically to the network device.
- the sending auxiliary information to the network device includes:
- the trigger condition of the MPE event includes:
- the P-MPR value is greater than the preset backoff value within the preset time period; or, for any front, the RSRP estimated value of the uplink beam is smaller than the preset value.
- the uplink transmission includes PUCCH, PUSCH or channel sounding reference signal SRS.
- FIG. 4 is a schematic structural diagram of a network device provided by an embodiment of the present application, including a memory 420 , a transceiver 400 , and a processor 410 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 410 and various circuits of memory represented by memory 420 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
- the bus interface provides the interface.
- Transceiver 400 may be multiple elements, ie, including transmitters and receivers, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- the processor 410 is responsible for managing the bus architecture and general processing, and the memory 420 may store data used by the processor 410 in performing operations.
- the processor 410 may be a central processor (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device). , CPLD), the processor can also use a multi-core architecture.
- CPU central processor
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- FPGA field programmable gate array
- CPLD Complex Programmable Logic Device
- the memory 420 is used to store computer programs; the transceiver 400 is used to send and receive data under the control of the processor; the processor 410 is used to read the computer program in the memory and perform the following operations:
- the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, array-based information corresponding to one or more fronts of the terminal when the maximum power radiation MPE event occurs.
- the auxiliary information when the auxiliary information includes a P-MPR value corresponding to one or more fronts of the terminal, the auxiliary information further includes:
- the auxiliary information sent by the receiving terminal includes:
- the notification information is used to notify the terminal to report the identification information of the optimal reference signal required for uplink transmission and/or Or the P-MPR value corresponding to one or more fronts of the terminal; or,
- the auxiliary information sent by the terminal when the MPE event is detected is received.
- the method when the receiving the second auxiliary information sent by the terminal when the MPE event is detected, the method further includes:
- Receive request information sent by the terminal where the request information is used to trigger the network device to send at least one channel state information reference signal CSI-RS to perform beam scanning, wherein the at least one CSI-RS is associated with the array of the terminal.
- planes are pre-associated, and one plane of the terminal is associated with at least one of the CSI-RSs;
- the at least one CSI-RS is transmitted for beam scanning based on the request information.
- a first preset domain is newly added in the MAC CE, and the first preset domain includes the request information
- the receiving the request information sent by the terminal includes:
- the request information sent by the terminal through the MAC CE is received.
- a second preset field is newly added in the medium access control layer control unit MAC CE, and the second preset field is used to indicate the identification information of the optimal reference signal required for the uplink transmission;
- the receiving the auxiliary information sent by the terminal when detecting the occurrence of the MPE event includes:
- the auxiliary information includes the identification information of the optimal reference signal required for the uplink transmission and the P-MPR value corresponding to one or more fronts of the terminal.
- the notification information is further used to notify the terminal to report the RSRP after the power backoff
- the first auxiliary information further includes the RSRP after the power backoff
- the method before the sending notification information to the terminal, the method further includes:
- the capability information sent by the terminal is received, wherein the capability information is used to indicate that the terminal has the capability of adding a power backoff value in the calculation of the optimal reference signal.
- the auxiliary information sent by the receiving terminal includes any of the following:
- the auxiliary information sent by the receiving terminal includes:
- the auxiliary information sent by the terminal through the physical random access channel PRACH, the physical uplink control channel PUCCH or the physical uplink shared channel PUSCH is received.
- determining the front used by the terminal for subsequent uplink transmission according to the auxiliary information including:
- the front surface corresponding to the optimal reference signal required for uplink transmission is determined as the front surface used by the terminal for subsequent uplink transmission; or ,
- the auxiliary information includes P-MPR values corresponding to one or more fronts of the terminal, determine the front with the highest uplink transmit power value based on the P-MPR values corresponding to one or more fronts of the terminal , and the front with the highest uplink transmit power value is determined as the front used by the terminal for subsequent uplink transmission.
- the trigger condition of the MPE event includes:
- the P-MPR value is greater than the preset backoff value within the preset time period; or, for any front, the RSRP estimated value of the uplink beam is smaller than the preset value.
- the uplink transmission includes PUCCH, PUSCH or channel sounding reference signal SRS.
- FIG. 5 is a block diagram of a device for selecting an array provided by an embodiment of the present application, and the device includes:
- the sending module 501 is configured to send auxiliary information to the network device, where the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, one or more arrays of the terminal when the maximum power radiation MPE event occurs.
- a receiving module 502 configured to receive the indication information sent by the network device based on the auxiliary information, wherein the indication information is used to indicate the frontier used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new Upstream beam scanning.
- the auxiliary information when the auxiliary information includes P-MPR values corresponding to one or more fronts of the terminal, the auxiliary information further includes: MPE events; and/or, one or more fronts corresponding to Reference Signal Received Power RSRP.
- the sending module includes:
- a first sending unit configured to receive notification information sent by the network device, and send the auxiliary information to the network device according to the notification information, where the notification information is used to notify the terminal to report the uplink transmission needs
- the second sending unit is configured to send the auxiliary information to the network device when the terminal detects that an MPE event occurs.
- sending the auxiliary information to the network device further includes:
- the planes are pre-associated, and one plane of the terminal is associated with at least one of the CSI-RSs;
- the power backoff value determines the uplink transmit power after the power backoff of the front, and the reference signal associated with the front with the highest uplink transmit power value after the power backoff is determined as the optimal reference required for uplink transmission Signal.
- a first preset field is newly added in the medium access control layer control unit MAC CE, and the first preset field includes the request information;
- the sending request information to the network device includes:
- the request information is sent to the network device through the MAC CE.
- a second preset field is newly added in the medium access control layer control unit MAC CE, and the second preset field is used to indicate the identification information of the optimal reference signal required for the uplink transmission;
- sending the auxiliary information to the network device includes:
- the auxiliary information includes the identification information of the optimal reference signal required for the uplink transmission and the P-MPR value corresponding to one or more fronts of the terminal.
- the notification information is further used to notify the terminal to report the RSRP after the power backoff
- the first auxiliary information further includes the RSRP after the power backoff
- the method before receiving the notification information sent by the network device, the method further includes:
- a reporting unit configured to report capability information to the network device, where the capability information is used to indicate that the terminal has the capability of adding a power backoff value in the calculation of the optimal reference signal.
- the method before the sending the auxiliary information to the network device according to the notification information, the method further includes:
- the determining unit is used to perform RSRP measurement on the reference signal configured by the network device using each front, and determine the RSRP of the reference signal measured by each front; according to the measured reference signal of each front.
- the RSRP and the P-MPR value of each front face determine the reference signal with the highest uplink transmission power value, and determine the reference signal with the highest transmission power value as the optimal reference signal required for the uplink transmission.
- the sending module is configured to execute any of the following:
- the auxiliary information is sent aperiodically to the network device.
- the sending module is configured to send the auxiliary information to the network device through a physical random access channel PRACH, a physical uplink control channel PUCCH or a physical uplink shared channel PUSCH.
- the triggering condition of the MPE event includes: a P-MPR value greater than a preset backoff value exists within a preset time period; or, for any front, the RSRP estimated value of the uplink beam is less than a preset value.
- the uplink transmission includes PUCCH, PUSCH or channel sounding reference signal SRS.
- FIG. 6 is a block diagram of a module of an apparatus for selecting an array provided by an embodiment of the present application, and the apparatus includes:
- the receiving module 601 is configured to receive auxiliary information sent by the terminal, where the auxiliary information includes at least one of the following: identification information of the optimal reference signal required for uplink transmission, one or more arrays of the terminal when the maximum power radiation MPE event occurs.
- the maximum power backoff P-MPR value based on the front surface corresponding to the surface;
- a determining module 602 configured to determine, according to the auxiliary information, a front used by the terminal to perform new uplink beam scanning or subsequent uplink transmission;
- the sending module 603 is configured to send indication information to the terminal, wherein the indication information is used to indicate a front used by the terminal for subsequent uplink transmission, or to instruct the terminal to perform a new uplink beam scan.
- the auxiliary information when the auxiliary information includes P-MPR values corresponding to one or more fronts of the terminal, the auxiliary information further includes: MPE events; and/or, one or more fronts corresponding to Reference Signal Received Power RSRP.
- the receiving module includes:
- a first receiving unit configured to send notification information to the terminal, and receive the auxiliary information sent by the terminal according to the notification information, wherein the notification information is used to notify the terminal to report the optimal data required for uplink transmission
- the second receiving unit is configured to receive the auxiliary information sent by the terminal when the MPE event is detected.
- the method when the receiving the second auxiliary information sent by the terminal when the MPE event is detected, the method further includes:
- Receive request information sent by the terminal where the request information is used to trigger the network device to send at least one channel state information reference signal CSI-RS to perform beam scanning, wherein the at least one CSI-RS is associated with the array of the terminal.
- planes are pre-associated, and one plane of the terminal is associated with at least one of the CSI-RSs;
- the at least one CSI-RS is transmitted for beam scanning based on the request information.
- a first preset domain is newly added in the MAC CE, and the first preset domain includes the request information
- the receiving the request information sent by the terminal includes:
- the request information sent by the terminal through the MAC CE is received.
- a second preset field is newly added in the medium access control layer control unit MAC CE, and the second preset field is used to indicate the identification information of the optimal reference signal required for the uplink transmission;
- the receiving the auxiliary information sent by the terminal when detecting the occurrence of the MPE event includes:
- the auxiliary information includes the identification information of the optimal reference signal required for the uplink transmission and the P-MPR value corresponding to one or more fronts of the terminal.
- the notification information is further used to notify the terminal to report the RSRP after the power backoff
- the first auxiliary information further includes the RSRP after the power backoff
- the method before the sending notification information to the terminal, the method further includes:
- the third receiving unit is configured to receive capability information sent by the terminal, where the capability information is used to indicate that the terminal has the capability of adding a power backoff value in the calculation of the optimal reference signal.
- the receiving module is configured to execute any of the following:
- the receiving module is configured to receive the auxiliary information sent by the terminal through a physical random access channel PRACH, a physical uplink control channel PUCCH or a physical uplink shared channel PUSCH.
- the determining module is used to:
- the auxiliary information includes the identification information of the optimal reference signal required for uplink transmission, determine the front surface corresponding to the optimal reference signal required for uplink transmission as the front surface used by the terminal for subsequent uplink transmission; or ,
- the auxiliary information includes P-MPR values corresponding to one or more fronts of the terminal, determine the front with the highest uplink transmit power value based on the P-MPR values corresponding to one or more fronts of the terminal , and the front with the highest uplink transmit power value is determined as the front used by the terminal for subsequent uplink transmission.
- the triggering condition of the MPE event includes: a P-MPR value greater than a preset backoff value exists within a preset time period; or, for any front, the RSRP estimated value of the uplink beam is less than a preset value.
- the uplink transmission includes PUCCH, PUSCH or channel sounding reference signal SRS.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
- the technical solutions of the present application can be embodied in the form of software products in essence, or the parts that contribute to the prior art, or all or part of the technical solutions, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
- an embodiment of the present application further provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to cause the processor to execute the processes described in the foregoing embodiments. Methods.
- the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memory (eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
- magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
- optical storage eg, CD, DVD, BD, HVD, etc.
- semiconductor memory eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)
- the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the above-mentioned front surface selection method.
- the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
- processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the processor-readable memory result in the manufacture of means including the instructions product, the instruction means implements the functions specified in the flow or flow of the flowchart and/or the block or blocks of the block diagram.
- processor-executable instructions can also be loaded onto a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process that Execution of the instructions provides steps for implementing the functions specified in the flowchart or blocks and/or the block or blocks of the block diagrams.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (31)
- 一种阵面选择方法,其特征在于,包括:向网络设备发送辅助信息,所述辅助信息包括以下至少一项:上行传输所需的最优参考信号的标识信息,最大功率辐射MPE事件发生时终端的一个或多个阵面所对应的基于阵面的最大功率回退P-MPR值;接收所述网络设备基于所述辅助信息所发送的指示信息,其中所述指示信息用于指示所述终端后续上行传输所使用的阵面,或者指示所述终端进行新的上行波束扫描。
- 根据权利要求1所述的阵面选择方法,其特征在于,当所述辅助信息包括终端的一个或多个阵面所对应的P-MPR值时,所述辅助信息还包括:MPE事件;和/或,一个或多个阵面所对应的参考信号接收功率RSRP。
- 根据权利要求1或2所述的阵面选择方法,其特征在于,所述向网络设备发送辅助信息,包括:接收所述网络设备发送的通知信息,并根据所述通知信息向所述网络设备发送所述辅助信息,其中所述通知信息用于通知所述终端上报上行传输所需的最优参考信号的标识信息和/或所述终端的一个或多个阵面所对应的P-MPR值;或者,当所述终端检测到MPE事件发生时,向所述网络设备发送所述辅助信息。
- 根据权利要求3所述的阵面选择方法,其特征在于,所述当所述终端检测到MPE事件发生时,向所述网络设备发送所述辅助信息,还包括:向所述网络设备发送请求信息,所述请求信息用于触发所述网络设备发送至少一个信道状态信息参考信号CSI-RS以进行波束扫描,其中所述至少一个CSI-RS与所述终端的阵面预先关联,并且所述终端的一个阵面关联至少一个所述CSI-RS;测量每个CSI-RS,得到与相应CSI-RS关联的阵面所对应的参考信号接收功率RSRP,根据所述RSRP估计所述阵面对应的上行发送功率,并根据所 述阵面对应的功率回退值确定所述阵面的功率回退后的上行发送功率,并将功率回退后的上行发送功率值最高的阵面所关联的参考信号确定为上行传输所需的最优参考信号。
- 根据权利要求4所述的阵面选择方法,其特征在于,媒体接入控制层控制单元MAC CE中新增有第一预设域,所述第一预设域中包含所述请求信息;所述向所述网络设备发送请求信息,包括:所述终端通过所述MAC CE将所述请求信息发送给所述网络设备。
- 根据权利要求4所述的阵面选择方法,其特征在于,媒体接入控制层控制单元MAC CE中新增有第二预设域,所述第二预设域用于指示所述上行传输所需的最优参考信号的标识信息;所述当所述终端检测到MPE事件发生时,向所述网络设备发送所述辅助信息,包括:当所述终端检测到MPE事件发生时,所述终端通过所述MAC CE将所述辅助信息发送给所述网络设备;其中,所述辅助信息包括所述上行传输所需的最优参考信号的标识信息和所述终端的一个或多个阵面所对应的P-MPR值。
- 根据权利要求3所述的阵面选择方法,其特征在于,所述通知信息还用于通知所述终端上报功率回退后的RSRP,所述辅助信息还包括功率回退后的RSRP。
- 根据权利要求3所述的阵面选择方法,其特征在于,所述接收所述网络设备发送的通知信息之前,还包括:向所述网络设备上报能力信息,其中所述能力信息用于指示所述终端具有在最优参考信号的计算中加入功率回退值的能力。
- 根据权利要求3所述的阵面选择方法,其特征在于,所述根据所述通知信息向所述网络设备发送所述辅助信息之前,还包括:使用每个阵面对所述网络设备所配置的参考信号进行RSRP测量,确定每个阵面所测量得到的参考信号的RSRP;根据每个阵面所测量得到的参考信号的RSRP以及每个阵面的P-MPR值,确定上行发送功率值最高的参考信号,并将所述发送功率值最高的参考信号确定为所述上行传输所需的最优参考信号。
- 根据权利要求3所述的阵面选择方法,其特征在于,所述向网络设备发送辅助信息,包括下述任意一项:向所述网络设备周期性的发送辅助信息;向所述网络设备半持续性的发送辅助信息;向所述网络设备非周期性的发送辅助信息。
- 根据权利要求3所述的阵面选择方法,其特征在于,所述向网络设备发送辅助信息,包括:通过物理随机接入信道PRACH、物理上行控制信道PUCCH或物理上行共享信道PUSCH向所述网络设备发送所述辅助信息。
- 根据权利要求1所述的阵面选择方法,其特征在于,所述MPE事件的触发条件包括:预设时段内存在P-MPR值大于预设回退值;或者,针对任意阵面,上行波束的RSRP估计值小于预设值。
- 根据权利要求1所述的阵面选择方法,其特征在于,所述上行传输包括PUCCH、PUSCH或信道探测参考信号SRS。
- 一种阵面选择方法,其特征在于,包括:接收终端发送的辅助信息,所述辅助信息包括以下至少一项:上行传输所需的最优参考信号的标识信息,最大功率辐射MPE事件发生时终端的一个或多个阵面所对应的基于阵面的最大功率回退P-MPR值;根据所述辅助信息确定所述终端进行新的上行波束扫描或者后续上行传输所使用的阵面;向所述终端发送指示信息,其中所述指示信息用于指示所述终端后续上行传输所使用的阵面,或者指示所述终端进行新的上行波束扫描。
- 根据权利要求14所述的阵面选择方法,其特征在于,当所述辅助信息包括终端的一个或多个阵面所对应的P-MPR值时,所述辅助信息还包括:MPE事件;和/或,一个或多个阵面所对应的参考信号接收功率RSRP。
- 根据权利要求14或15所述的阵面选择方法,其特征在于,所述接收终端发送的辅助信息,包括:向所述终端发送通知信息,并接收所述终端根据所述通知信息所发送的所述辅助信息,其中所述通知信息用于通知终端上报上行传输所需的最优参考信号的标识信息和/或所述终端的一个或多个阵面所对应的P-MPR值;或者,接收所述终端在检测到MPE事件发生时所发送的所述辅助信息。
- 根据权利要求16所述的阵面选择方法,其特征在于,所述接收所述终端在检测到MPE事件发生时所发送的所述辅助信息时,还包括:接收所述终端所发送的请求信息,所述请求信息用于触发所述网络设备发送至少一个信道状态信息参考信号CSI-RS进行波束扫描,其中所述至少一个CSI-RS与所述终端的阵面预先关联,并且所述终端的一个阵面关联至至少一个所述CSI-RS;基于所述请求信息发送所述至少一个CSI-RS以进行波束扫描。
- 根据权利要求17所述的阵面选择方法,其特征在于,MAC CE中新增有第一预设域,所述第一预设域中包含所述请求信息;所述接收所述终端所发送的请求信息,包括:网络设备接收所述终端通过所述MAC CE所发送的所述请求信息。
- 根据权利要求17所述的阵面选择方法,其特征在于,媒体接入控制层控制单元MAC CE中新增有第二预设域,所述第二预设域用于指示所述上行传输所需的最优参考信号的标识信息;所述接收所述终端在检测到MPE事件发生时所发送的所述辅助信息,包括:网络设备接收所述终端通过所述MAC CE所发送的所述辅助信息;其中,所述辅助信息包括所述上行传输所需的最优参考信号的标识信息和所述终端的一个或多个阵面所对应的P-MPR值。
- 根据权利要求16所述的阵面选择方法,其特征在于,所述通知信息还用于通知所述终端上报功率回退后的RSRP,所述辅助信息还包括功率回退后的RSRP。
- 根据权利要求16所述的阵面选择方法,其特征在于,所述向所述终端发送通知信息之前,还包括:接收所述终端发送的能力信息,其中所述能力信息用于指示所述终端具有在最优参考信号的计算中加入功率回退值的能力。
- 根据权利要求16所述的阵面选择方法,其特征在于,所述接收终端发送的辅助信息,包括下述任意一项:接收所述终端周期性发送的辅助信息;接收所述终端半持续性发送的辅助信息;接收所述终端非周期性发送的辅助信息。
- 根据权利要求16所述的阵面选择方法,其特征在于,所述接收终端发送的辅助信息,包括:接收所述终端通过物理随机接入信道PRACH、物理上行控制信道PUCCH或物理上行共享信道PUSCH发送的所述辅助信息。
- 根据权利要求14所述的阵面选择方法,其特征在于,根据所述辅助信息确定终端后续上行传输所使用的阵面,包括:当所述辅助信息包括上行传输所需的最优参考信号的标识信息时,将所述上行传输所需的最优参考信号所对应的阵面确定为终端后续上行传输所使用的阵面;或者,当所述辅助信息包括终端的一个或多个阵面所对应的P-MPR值时,基于所述终端的一个或多个阵面所对应的P-MPR值确定上行发送功率值最高的阵面,并将所述上行发送功率值最高的阵面确定为终端后续上行传输所使用的阵面。
- 根据权利要求14所述的阵面选择方法,其特征在于,所述MPE事件的触发条件包括:预设时段内存在P-MPR值大于预设回退值;或者,针对任意阵面,上行波束的RSRP估计值小于预设值。
- 根据权利要求14所述的阵面选择方法,其特征在于,所述上行传输包括PUCCH、PUSCH或信道探测参考信号SRS。
- 一种终端,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:向网络设备发送辅助信息,所述辅助信息包括以下至少一项:上行传输所需的最优参考信号的标识信息,最大功率辐射MPE事件发生时终端的一个或多个阵面所对应的基于阵面的最大功率回退P-MPR值;接收所述网络设备基于所述辅助信息所发送的指示信息,其中所述指示信息用于指示所述终端后续上行传输所使用的阵面,或者指示所述终端进行新的上行波束扫描。
- 一种网络设备,其特征在于,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:接收终端发送的辅助信息,所述辅助信息包括以下至少一项:上行传输所需的最优参考信号的标识信息,最大功率辐射MPE事件发生时终端的一个或多个阵面所对应的基于阵面的最大功率回退P-MPR值;根据所述辅助信息确定终端进行新的上行波束扫描或者后续上行传输所使用的阵面;向所述终端发送指示信息,其中所述指示信息用于指示所述终端后续上行传输所使用的阵面,或者指示所述终端进行新的上行波束扫描。
- 一种阵面选择装置,其特征在于,包括:发送模块,用于向网络设备发送辅助信息,所述辅助信息包括以下至少一项:上行传输所需的最优参考信号的标识信息,最大功率辐射MPE事件发生时终端的一个或多个阵面所对应的基于阵面的最大功率回退P-MPR值;接收模块,用于接收所述网络设备基于所述辅助信息所发送的指示信息,其中所述指示信息用于指示所述终端后续上行传输所使用的阵面,或者指示 所述终端进行新的上行波束扫描。
- 一种阵面选择装置,其特征在于,包括:接收模块,用于接收终端发送的辅助信息,所述辅助信息包括以下至少一项:上行传输所需的最优参考信号的标识信息,最大功率辐射MPE事件发生时终端的一个或多个阵面所对应的基于阵面的最大功率回退P-MPR值;确定模块,用于根据所述辅助信息确定终端进行新的上行波束扫描或者后续上行传输所使用的阵面;发送模块,用于向所述终端发送指示信息,其中所述指示信息用于指示所述终端后续上行传输所使用的阵面,或者指示所述终端进行新的上行波束扫描。
- 一种处理器可读存储介质,其特征在于,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使处理器执行权利要求1至13任一项所述的方法,或执行权利要求14至26任一项所述的方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237016242A KR20230087568A (ko) | 2020-10-23 | 2021-10-22 | 어레이 선택 방법, 단말, 네트워크 기기 및 저장 매체 |
JP2023524806A JP2023547163A (ja) | 2020-10-23 | 2021-10-22 | パネル選択方法、端末、ネットワークデバイス及び記憶媒体 |
EP21882164.3A EP4236427A4 (en) | 2020-10-23 | 2021-10-22 | ARRAY SELECTION METHOD, TERMINAL DEVICE, NETWORK DEVICE AND STORAGE MEDIUM |
US18/250,221 US20240007973A1 (en) | 2020-10-23 | 2021-10-22 | Array selection method, terminal, network device, and storage medium |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011148642 | 2020-10-23 | ||
CN202011148642.8 | 2020-10-23 | ||
CN202011458095.3 | 2020-12-10 | ||
CN202011458095 | 2020-12-10 | ||
CN202011565451.1A CN114501639A (zh) | 2020-10-23 | 2020-12-25 | 一种阵面选择方法、终端、网络设备及存储介质 |
CN202011565451.1 | 2020-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022083752A1 true WO2022083752A1 (zh) | 2022-04-28 |
Family
ID=81291661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/125791 WO2022083752A1 (zh) | 2020-10-23 | 2021-10-22 | 一种阵面选择方法、终端、网络设备及存储介质 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240007973A1 (zh) |
EP (1) | EP4236427A4 (zh) |
JP (1) | JP2023547163A (zh) |
KR (1) | KR20230087568A (zh) |
WO (1) | WO2022083752A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4297497A1 (en) * | 2022-06-21 | 2023-12-27 | Nokia Technologies Oy | User equipment comprising multiple antennas and corresponding method and computer program |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108539418A (zh) * | 2018-05-25 | 2018-09-14 | 西安欣创电子技术有限公司 | 一种相控阵雷达天线控制系统及方法 |
US10153731B2 (en) * | 2016-10-24 | 2018-12-11 | RF Pixels, Inc. | Apparatus and method for operating a power amplifier array with enhanced efficiency at back-off power levels |
CN109417717A (zh) * | 2018-09-27 | 2019-03-01 | 北京小米移动软件有限公司 | 测量配置方法、装置、设备、系统及存储介质 |
WO2020197091A1 (en) * | 2019-03-26 | 2020-10-01 | Samsung Electronics Co., Ltd. | Electronic device having antenna array and power backoff control method for the electronic device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113632385B (zh) * | 2019-03-27 | 2024-05-28 | 瑞典爱立信有限公司 | 下行链路参考信号的波束成形接收 |
-
2021
- 2021-10-22 JP JP2023524806A patent/JP2023547163A/ja active Pending
- 2021-10-22 US US18/250,221 patent/US20240007973A1/en active Pending
- 2021-10-22 KR KR1020237016242A patent/KR20230087568A/ko active Search and Examination
- 2021-10-22 EP EP21882164.3A patent/EP4236427A4/en active Pending
- 2021-10-22 WO PCT/CN2021/125791 patent/WO2022083752A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10153731B2 (en) * | 2016-10-24 | 2018-12-11 | RF Pixels, Inc. | Apparatus and method for operating a power amplifier array with enhanced efficiency at back-off power levels |
CN108539418A (zh) * | 2018-05-25 | 2018-09-14 | 西安欣创电子技术有限公司 | 一种相控阵雷达天线控制系统及方法 |
CN109417717A (zh) * | 2018-09-27 | 2019-03-01 | 北京小米移动软件有限公司 | 测量配置方法、装置、设备、系统及存储介质 |
WO2020197091A1 (en) * | 2019-03-26 | 2020-10-01 | Samsung Electronics Co., Ltd. | Electronic device having antenna array and power backoff control method for the electronic device |
Non-Patent Citations (1)
Title |
---|
See also references of EP4236427A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4297497A1 (en) * | 2022-06-21 | 2023-12-27 | Nokia Technologies Oy | User equipment comprising multiple antennas and corresponding method and computer program |
Also Published As
Publication number | Publication date |
---|---|
EP4236427A1 (en) | 2023-08-30 |
US20240007973A1 (en) | 2024-01-04 |
KR20230087568A (ko) | 2023-06-16 |
EP4236427A4 (en) | 2024-04-17 |
JP2023547163A (ja) | 2023-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3965438B1 (en) | Methods and apparatuses for signal transmission, signal measurement reporting, and positioning | |
WO2022083583A1 (zh) | 小区切换方法、终端、基站、装置和存储介质 | |
US11792669B2 (en) | Measurement method, device, and system | |
US20230413361A1 (en) | Message processing method and apparatus, terminal device, network device and storage medium | |
US20240056825A1 (en) | Ue capability information processing method and apparatus, device, and storage medium | |
WO2018059343A1 (zh) | 信号传输方法和装置 | |
WO2021179305A1 (zh) | 用于上行传输的方法和装置 | |
WO2022078115A1 (zh) | 功率确定方法、装置、终端及网络侧设备 | |
US20210127286A1 (en) | Method for wireless communication, terminal, and non-transitory computer-readable storage medium | |
EP3554179A1 (en) | Wireless communication method and device | |
US20230362867A1 (en) | Measurement method and apparatus for positioning, and storage medium | |
WO2021017893A1 (zh) | 波束测量方法及装置 | |
WO2021056334A1 (zh) | 用于激活辅小区的通信方法和装置 | |
WO2022083752A1 (zh) | 一种阵面选择方法、终端、网络设备及存储介质 | |
WO2022028279A1 (zh) | 传输失败恢复方法、装置、设备及存储介质 | |
WO2020151554A1 (zh) | 一种信息发送、检测方法及装置 | |
CN114501639A (zh) | 一种阵面选择方法、终端、网络设备及存储介质 | |
WO2022028501A1 (zh) | 一种信号传输方法、装置及存储介质 | |
WO2022078217A1 (zh) | 先听后传方法、终端、网络设备、装置及存储介质 | |
AU2021418673A1 (en) | Beam indication method and apparatus, and storage medium | |
WO2023130903A1 (zh) | 发送物理随机接入信道prach的方法、装置及存储介质 | |
WO2022206124A1 (zh) | 随机接入方法、设备、装置及存储介质 | |
WO2023045759A1 (zh) | 定时提前方法、装置及存储介质 | |
WO2024027642A1 (zh) | 一种信息传输方法、装置及设备 | |
WO2023202437A1 (zh) | 多播业务的传输方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21882164 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023524806 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18250221 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20237016242 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021882164 Country of ref document: EP Effective date: 20230523 |