WO2023015463A1 - Configuration et détermination de paramètres de commande de puissance pour une transmission ul avec une structure tci unifiée - Google Patents

Configuration et détermination de paramètres de commande de puissance pour une transmission ul avec une structure tci unifiée Download PDF

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Publication number
WO2023015463A1
WO2023015463A1 PCT/CN2021/111928 CN2021111928W WO2023015463A1 WO 2023015463 A1 WO2023015463 A1 WO 2023015463A1 CN 2021111928 W CN2021111928 W CN 2021111928W WO 2023015463 A1 WO2023015463 A1 WO 2023015463A1
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WIPO (PCT)
Prior art keywords
tci state
resource
csi
typed
periodic
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PCT/CN2021/111928
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English (en)
Inventor
Bingchao LIU
Chenxi Zhu
Wei Ling
Yi Zhang
Lingling Xiao
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Lenovo (Beijing) Limited
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Priority to PCT/CN2021/111928 priority Critical patent/WO2023015463A1/fr
Publication of WO2023015463A1 publication Critical patent/WO2023015463A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • 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
    • H04B7/0628—Diversity capabilities
    • 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
    • H04B7/06968—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping using quasi-colocation [QCL] between signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • 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

Definitions

  • the subject matter disclosed herein generally relates to wireless communications, and more particularly relates to methods and apparatuses for determining power control parameters for UL transmission with unified TCI framework.
  • New Radio NR
  • VLSI Very Large Scale Integration
  • RAM Random Access Memory
  • ROM Read-Only Memory
  • EPROM or Flash Memory Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • LAN Local Area Network
  • WAN Wide Area Network
  • UE User Equipment
  • eNB Evolved Node B
  • gNB Next Generation Node B
  • Uplink UL
  • Downlink DL
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • FPGA Field Programmable Gate Array
  • OFDM Orthogonal Frequency Division Multiplexing
  • RRC Radio Resource Control
  • RX User Entity/Equipment
  • RS reference signal
  • the transmit power of a UL signal is calculated according to a set of power control parameters including PL-RS, P0, alpha and closeLoopIndex.
  • PL-RS pathloss reference RS
  • a target receiving power is configured as P0.
  • Partial power compensation is adopted by a pathloss compensation factor alpha (0 ⁇ alpha ⁇ 1) .
  • UL signal is transmitted using a UL TX spatial filter (i.e., a UL beam) .
  • the channel characteristics for different beams are usually different. So, beam specific power control is supported in FR2 in NR Release 15. For example, each UL beam (which is configured by RRC parameter PUCCH-SpatialRelationInfo) used for PUCCH is associated with a set of power control parameters.
  • unified TCI framework is supported, where a common UL beam for PUCCH and PUSCH transmissions in a serving cell is directly indicated by a joint DL/UL TCI state or a UL TCI state contained in a DCI or be activated by a MAC CE.
  • the joint DL/UL TCI state or the UL TCI state is not associated with a PL-RS, how the PL-RS for the PUCCH and PUSCH transmissions with the indicated joint DL/UL TCI state or the UL TCI state is determined? If a set of power control parameters including P0, alpha and closedLoopIndex (which indicates a closed loop index for closed power control if more than one closed loop is configured) is not configured for the joint DL/UL TCI state or the UL TCI state, how the set of power control parameters for the PUCCH and PUSCH transmissions with the indicated joint DL/UL TCI state or UL TCI state is determined? Whether the unified TCI state can apply to SRS, and if yes, how the unified TCI state applies to SRS.
  • P0, alpha and closedLoopIndex which indicates a closed loop index for closed power control if more than one closed loop is configured
  • This invention targets the above issues.
  • a method at an UE comprises transmitting a capability on whether “beam misalignment” is supported; and determining a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • the method may further comprise determining power control parameters including P0, alpha and closedLoopIndex for the PUSCH transmissions if the indicated joint DL/UL TCI state or UL TCI state is not associated with a PUSCH power control setting; and determining power control parameters including P0 and closedLoopIndex for the PUCCH transmissions if the indicated joint DL/UL TCI state or UL TCI state is not associated with a PUCCH power control setting.
  • the method may further comprise determining a UL TX spatial filter for SRS resources according to QCL-TypeD RS contained in the indicated joint DL/UL TCI state and/or spatialRelationInfo RS contained in the indicated UL TCI state when spatialRelationInfo RS for SRS resource is not configured.
  • a PL-RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as a default PL-RS for a SRS resource set without configured PL-RS.
  • the QCL-TypeD RS configured for the associatedCSI-RS is QCLed with the RS used to determine the UL TX spatial filter in the indicated joint DL/UL TCI state or UL TCI state with QCL-TypeD, and the DL RX spatial filter for the associatedCSI-RS is determined based on the source QCL-TypeD RS in the indicated joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state.
  • the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter can have different source QCL-TypeD SSB resources, a capability to support “beam misalignment” is transmitted. In some other embodiment, if the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter should have a same source QCL-TypeD SSB resource, a capability not to support “beam misalignment” is transmitted.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS, and the periodic DL RS and a DL RS to determine the UL TX spatial filter have the same source QCL-TypeD SSB resource.
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a second condition that an aperiodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, and a periodic TRS is configured in the TCI state as the source QCL-TypeD RS for the aperiodic TRS, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a third condition that a CSI-RS resource for BM is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state,
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the periodic TRS is determined as the PL-RS; in a second condition that a CSI-RS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the configured CSI-RS resource for BM is determined as the PL-RS; in a third condition that an SSB resource is configured in the UL TCI state to determine the UL TX spatial filter, the configured SSB resource is determined as the PL-RS; in a fourth condition that an SRS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, and an
  • a method at a base unit comprises receiving a capability on whether “beam misalignment” is supported; and determining a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • a remote unit comprises a transmitter that transmits a capability on whether “beam misalignment” is supported; and a processor that determines a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • a base unit comprises a receiver that receives a capability on whether “beam misalignment” is supported; and a processor that determines a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • Figure 1 illustrates an example of the first embodiment
  • Figure 2 is a schematic flow chart diagram illustrating an embodiment of a method
  • Figure 3 is a schematic flow chart diagram illustrating a further embodiment of a method.
  • Figure 4 is a schematic block diagram illustrating apparatuses according to one embodiment.
  • embodiments may be embodied as a system, apparatus, method, or program product. Accordingly, embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, micro-code, etc. ) or an embodiment combining software and hardware aspects that may generally all be referred to herein as a “circuit” , “module” or “system” . Furthermore, embodiments may take the form of a program product embodied in one or more computer readable storage devices storing machine-readable code, computer readable code, and/or program code, referred to hereafter as “code” .
  • code computer readable storage devices storing machine-readable code, computer readable code, and/or program code, referred to hereafter as “code” .
  • the storage devices may be tangible, non-transitory, and/or non-transmission.
  • the storage devices may not embody signals. In a certain embodiment, the storage devices only employ signals for accessing code.
  • modules may be implemented as a hardware circuit comprising custom very-large-scale integration (VLSI) circuits or gate arrays, off-the-shelf semiconductors such as logic chips, transistors, or other discrete components.
  • VLSI very-large-scale integration
  • a module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.
  • Modules may also be implemented in code and/or software for execution by various types of processors.
  • An identified module of code may, for instance, include one or more physical or logical blocks of executable code which may, for instance, be organized as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but, may include disparate instructions stored in different locations which, when joined logically together, include the module and achieve the stated purpose for the module.
  • a module of code may contain a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices.
  • operational data may be identified and illustrated herein within modules and may be embodied in any suitable form and organized within any suitable type of data structure. This operational data may be collected as a single data set, or may be distributed over different locations including over different computer readable storage devices.
  • the software portions are stored on one or more computer readable storage devices.
  • the computer readable medium may be a computer readable storage medium.
  • the computer readable storage medium may be a storage device storing code.
  • the storage device may be, for example, but need not necessarily be, an electronic, magnetic, optical, electromagnetic, infrared, holographic, micromechanical, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • a storage device would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, random access memory (RAM) , read-only memory (ROM) , erasable programmable read-only memory (EPROM or Flash Memory) , portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • a computer-readable storage medium may be any tangible medium that can contain or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • Code for carrying out operations for embodiments may include any number of lines and may be written in any combination of one or more programming languages including an object-oriented programming language such as Python, Ruby, Java, Smalltalk, C++, or the like, and conventional procedural programming languages, such as the "C" programming language, or the like, and/or machine languages such as assembly languages.
  • the code may be executed entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN) , or the connection may be made to an external computer (for example, through the Internet using an Internet Service Provider) .
  • LAN local area network
  • WAN wide area network
  • Internet Service Provider an Internet Service Provider
  • the code may also be stored in a storage device that can direct a computer, other programmable data processing apparatus, or other devices, to function in a particular manner, such that the instructions stored in the storage device produce an article of manufacture including instructions which implement the function specified in the schematic flowchart diagrams and/or schematic block diagrams block or blocks.
  • the code may also be loaded onto a computer, other programmable data processing apparatus, or other devices, to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the code executed on the computer or other programmable apparatus provides processes for implementing the functions specified in the flowchart and/or block diagram block or blocks.
  • each block in the schematic flowchart diagrams and/or schematic block diagrams may represent a module, segment, or portion of code, which includes one or more executable instructions of the code for implementing the specified logical function (s) .
  • DCI based unified TCI framework is supported.
  • joint DL/UL TCI which means DL RX spatial filter and UL TX spatial filter are determined by a same indicated TCI state
  • the DL RX spatial filter for a set of dedicated PDCCH receptions (a dedicated PDCCH reception is the PDCCH reception in RRC-connected mode) and all PDSCH receptions
  • the UL TX spatial filter for a set of dedicated PUCCH transmissions (a dedicated PUCCH transmission is the PUCCH transmission in RRC-connected mode) and all PUSCH transmissions are both determined by the QCL-TypeD RS contained in the joint DL/UL TCI state indicated by a transmission configuration indicator (TCI) field contained in a DCI or in a MAC CE (the MAC CE only activates one TCI state configured by RRC signaling) .
  • TCI transmission configuration indicator
  • the DL RX spatial filter for a set of dedicated PDCCH receptions and all PDSCH receptions is determined by the QCL-TypeD RS contained in the DL TCI state indicated by a transmission configuration indicator (TCI) field in a DCI or a MAC CE, while the UL TX spatial filter for a set of dedicated PUCCH transmissions and all PUSCH transmissions is directly indicated by the UL TCI state (i.e. the spatialRelationInfo RS contained in the UL TX state) indicated by a UL TCI field in a DCI or a MAC CE.
  • TCI transmission configuration indicator
  • the joint DL/UL TCI state or the DL TCI state can be configured by the following RRC signaling
  • the IE TCI state associates one or two DL reference signals with a corresponding quasi-colocation (QCL) type.
  • QCL quasi-colocation
  • Each TCI state contains parameters for configuring a quasi co-location (QCL) relationship between one or two downlink reference signals and the DM-RS ports of the PDSCH, the DM-RS port of PDCCH or the CSI-RS port (s) of a CSI-RS resource.
  • the quasi co-location relationship is configured by the higher layer parameter qcl-Type1 for the first DL RS, and qcl-Type2 for the second DL RS (if configured) .
  • the QCL types shall not be the same, regardless of whether the references are to the same DL RS or different DL RSs.
  • the quasi co-location types corresponding to each DL RS are given by the higher layer parameter qcl-Type in QCL-Info and may take one of the following values:
  • a DL RS is configured in a TCI state with QCL-TypeD
  • this DL RS is called as the QCL-TypeD RS.
  • a TCI state is configured for a DL signal or a DL channel, it means that the DL signal or the DL channel is QCLed with the RS (s) contained in the TCI state with a QCL type as indicated in the TCI state.
  • the UE shall determine the DL RX spatial filter and the UL TX spatial filter according to the QCL-TypeD RS in the joint DL/UL TCI state.
  • the UL TCI state for separate DL/UL TCI indication contains at least a RS as the spatialRelationInfo by the following RRC signalling:
  • the RS configured as the spatialRelationInfo is called spatialRelationInfo RS, which is used to determine the UL TX spatial filter for a UL signal.
  • spatialRelationInfo RS which is used to determine the UL TX spatial filter for a UL signal.
  • a DL RS e.g., CSI-RS or a SSB
  • the UE shall transmit the UL signal with the same spatial domain transmission filter used for the reception of the DL RS.
  • a SRS resource is configured as the spatialRelationInfo RS
  • the UE shall transmit the UL signal with the same spatial domain transmission filter used for the transmission of the SRS resource.
  • CSI-RS is a type of DL RS used for DL channel measurement. Multiple CSI-RS resource sets each of which contains one or more CSI-RS resources can be configured in a BWP in a serving cell. Each CSI-RS resource that has a unique ID can be transmitted aperiodically, or periodically or semi-persistently according to RRC configuration. Each CSI-RS resource can be used for different purposes. For a CSI-RS resource in an NZP-CSI-RS-ResourceSet configured without higher layer parameter trs-Info and without the higher layer parameter repetition, the CSI-RS resource is used for CSI acquisition.
  • the CSI-RS resource is used for beam management.
  • the CSI-RS resource is used for tracking.
  • the CSI-RS resource used for tracking is also called TRS.
  • SRS is a type of UL RS used for UL channel measurement.
  • Multiple SRS resource sets, each of which contains one or more SRS resource, can be configured in a BWP of a serving cell.
  • SRS resource in each SRS resource set can be used for different purposes according to the higher layer parameter usage configured for the SRS resource set.
  • a UL TX beam is needed to be indicated for a UL channel or a UL signal (maybe abbreviated as a UL channel/signal) for the UE to determine the UL TX spatial filter.
  • a PL-RS is needed to be indicated along with the indicated UL TX beam for DL pathloss estimation.
  • a SS/PBCH block (SSB) resource or a CSI-RS resource used for beam management (BM) or a CSI-RS resource used for tracking (which is refers to as TRS) or an SRS resource for BM can be configured or be indicated as the RS to determine the UL TX spatial filter for a UL channel/signal.
  • CSI-RS resource mentioned in this application refers to periodic NZP CSI-RS resource.
  • An SSB resource or a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with single antenna port can be configured as the PL-RS for a UL channel/signal.
  • the CSI-RS resource for BM can be further QCLed with an SSB resource with QCL-TypeD, or QCLed with another CSI-RS resource for BM with QCL-TypeD.
  • the TRS can be further QCLed with an SSB resource with QCL-TypeD, or QCLed with a CSI-RS resource for BM with QCL-TypeD.
  • the SRS resource for BM can be configured with a DL signal, e.g., SSB resource or a CSI-RS resource for BM, to determine the UL TX spatial filter.
  • a DL signal e.g., SSB resource or a CSI-RS resource for BM
  • an SSB resource can be found for all possible source RSs that can be configured for a UL channel/signal to determine the UL TX spatial filter.
  • beam misalignment is defined as that the DL RS configured as PL-RS and the DL RS used to determine UL TX spatial filter can have different source QCL-TypeD SSB resources.
  • the UE may indicate a capability to support “beam misalignment” (which means that the DL RS configured as PL-RS and the DL RS or SRS resource used to determine UL TX spatial filter can have different source QCL-TypeD SSB resources) , or a capability not to support “beam misalignment” (which means that the DL RS configured as PL-RS and the DL RS or SRS resource used to determine UL TX spatial filter should have the same source QCL-TypeD SSB resource) .
  • beam misalignment which means that the DL RS configured as PL-RS and the DL RS or SRS resource used to determine UL TX spatial filter can have different source QCL-TypeD SSB resources
  • a first embodiment relates to the configuration of the PL-RS for UL transmission based on different capabilities.
  • each joint DL/UL TCI state should be configured to be associated with a periodic DL RS as the PL-RS.
  • the configured PL-RS can have a different source QCL-TypeD SSB resource from the source QCL-TypeD SSB resource of the QCL-TypeD RS (which can be used to determine the UL TX spatial filter) contained in the joint DL/UL TCI state.
  • each joint DL/UL TCI state can be configured to be associated with a periodic DL RS as the PL-RS.
  • the configured PL-RS shall have the same source QCL-TypeD SSB resource as the source QCL-TypeD SSB resource of the QCL-TypeD RS (which can be used to determine the UL TX spatial filter) contained in the joint DL/UL TCI state.
  • the UE is not expected to be configured with a PL-RS that has a different source QCL-TypeD SSB source from the source QCL-TypeD SSB resource of the QCL-TypeD RS contained in the joint DL/UL TCI state.
  • the UE For joint DL/UL TCI state, if the UE indicates a capability not to support “beam misalignment” , if the joint DL/UL TCI state does not have an associated PL-RS, the UE shall determine a periodic RS as the PL-RS according to the following rules in different conditions:
  • the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the configured periodic TRS as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • an aperiodic TRS In a second condition that an aperiodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, another periodic TRS shall be configured in the TCI state as the source QCL-TypeD RS for the aperiodic TRS, and the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the periodic TRS (that is QCLed with the configured aperiodic TRS with QCL-TypeD) as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the configured CSI-RS resource for BM as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • a CSI-RS resource for CSI acquisition is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, there are three sub-conditions:
  • the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the configured periodic TRS as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • the UE In a second sub-condition that an SSB resource is configured in the TCI state as the source QCL-TypeD RS for the CSI-RS resource for CSI acquisition, the UE shall determine the SSB resource as the PL-RS.
  • the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the configured CSI-RS resource for BM as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • each UL TCI state should be configured to be associated with a periodic DL RS as the PL-RS.
  • the configured PL-RS can have a different source QCL-TypeD SSB resource from the source QCL-TypeD SSB resource of the spatialRelationInfo RS contained in the UL TCI state to indicate the UL TX spatial filter.
  • each UL TCI state can be configured to be associated with a periodic DL RS as the PL-RS.
  • the configured PL-RS shall have the same source QCL-TypeD SSB resource as the source QCL-TypeD SSB resource of the spatialRelationInfo RS contained in the UL TCI state to indicate the UL TX spatial filter.
  • the UE is not expected to be configured with a PL-RS that has a different source QCL-TypeD SSB resource from the source QCL-TypeD SSB resource of the spatialRelationInfo RS contained in the UL TCI state to indicate the UL TX spatial filter.
  • the UE For separate DL/UL TCI state, if the UE indicates a capability not to support “beam misalignment” , if the UL TCI state does not have an associated PL-RS, the UE shall determine a periodic RS as the PL-RS according to the following rules in different conditions:
  • the UE In a first condition that a periodic TRS is configured in the UL TCI state to determine the UL TX spatial filter, the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the periodic TRS as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the configured CSI-RS resource for BM as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • the UE shall determine the configured SSB resource as the PL-RS.
  • the UE shall determine the SSB resource as the PL-RS.
  • the UE shall determine a CSI-RS resource (i.e. a periodic NZP CSI-RS resource) with the same ID as the CSI-RS resource for BM as the PL-RS.
  • a CSI-RS resource i.e. a periodic NZP CSI-RS resource
  • the UE shall determine the periodic TRS as the PL-RS.
  • Figure 1 illustrates an example of the first embodiment.
  • TRS-1 and TRS-2 are QCLed with SSB-1 with QCL-TypeD, i.e., SSB-1 is configured as the QCL-TypeD RS for TRS-1 and TRS-2.
  • TRS-3 and TRS-4 are QCLed with SSB-2 with QCL-TypeD, i.e., SSB-2 is configured as the QCL-TypeD RS for TRS-3 and TRS-4.
  • TRS-2 is configured as the spatialRelationInfo RS for SRS-1.
  • SSB-2 is configured as the spatialRelationInfo RS for SRS-2.
  • TRS-2 is configured as QCL-TypeD RS in a first joint DL/UL TCI state (e.g., TCI-state-1)
  • the gNB can associate TRS-1 or TRS-2 or SSB1 with the first joint DL/UL TCI state as the PL-RS, since each of TRS-1 and TRS-2 and SSB1 has the same source QCL-TypeD SSB resource as that of TRS-2.
  • joint DL/UL TCI state is configured for a UE indicating a capability not to support “beam misalignment”
  • TRS-3 is configured as QCL-TypeD RS in a second joint DL/UL TCI state (e.g., TCI-state-2)
  • the second joint DL/UL TCI state does not have an associated PL-RS
  • the PL-RS can be determined in different conditions: If TRS-3 is periodic, the UE shall determine TRS-3 as the PL-RS.
  • TRS-3 is aperiodic while TRS-4 is periodic and configured as the source QCL-TypeD RS in the TCI state for TRS-3
  • the UE shall determine TRS-4 (i.e. an NZP CSI-RS resource with the same ID as the periodic TRS (i.e. TRS-4) is the periodic TRS (i.e. TRS-4) ) as the PL-RS.
  • the gNB can associate TRS-2 or SSB-1 with UL-TCI-State-1 as the PL-RS since TRS-2 is configured as the spatialRelationInfo RS for SRS-1 and TRS-2 is QCLed with SSB-1 with QCL-TypeD.
  • a second embodiment relates to determining other power control parameters except PL-RS, i.e. the other power control parameters including P0, alpha and ClosedLoopIndex for UL transmission.
  • the gNB shall configure one or more power control settings for PUSCH as follow:
  • the gNB shall configure one or more power control settings for PUCCH as follow.
  • alpha is equal to 1.
  • Each activated joint DL/UL TCI state or activated UL TCI state may be associated with a PUSCH power control setting as well as a PUCCH power control setting. Therefore, the UE can obtain the power control parameters for PUSCH and PUCCH according to the indicated joint DL/UL TCI state or UL TCI state (i.e. the joint DL/UL TCI state or UL TCI state indicated from all activated joint DL/UL TCI states or UL TCI states) .
  • a third embodiment relates to applying the indicated TCI state to SRS.
  • only one SRS resource set used for either codebook or non-codebook can be configured in one BWP of a serving cell for a UE for UL scheduling.
  • Each SRS resource in the one SRS resource set is configured with a spatialRelationInfo RS to determine the UL TX spatial filter in FR2.
  • a set of power control parameters including P0, alpha, closedLoopIndex and PL-RS are configured for the one SRS resource set by RRC signaling.
  • the PL-RS for aperiodic and semi-persistent SRS resource set can be updated by MAC CE.
  • the PUSCH shall be transmitted using the same antenna port (s) as the SRS port (s) in the SRS resource used for codebook or non-codebook indicated in the UL grant.
  • the UL TX spatial filter for PUSCH is determined by the spatialRelationInfo RS configured for the SRS resource (s) indicated in the UL grant.
  • a common UL TX spatial filter shall be determined for all PUSCH transmissions in the BWPs of a serving cell. It means that the UL TX spatial filter shall not be changed according to the spatialRelationInfo RS configured for the SRS resource (s) used for codebook or non-codebook based PUSCH transmission.
  • the feature of default spatial relation (e.g. default spatialRelationInfo RS) and default PL-RS for SRS was introduced in NR Release 16.
  • the UE determines a default spatialRelationInfo RS and a default PL-RS according to the QCL-TypeD RS configured in the TCI state or QCL assumption of the CORESET with the lowest index in the active DL BWP if CORESETs (each of which identifies a set of time-frequency resources used for PDCCH transmission, and is identified with an index) are provided in the active DL BWP of serving cell, or according to the QCL-TypeD RS configured in the active PDSCH TCI state with the lowest index in the active DL BWP, if CORESETs are not provided in the active DL BWP of the serving cell.
  • CORESETs each of which identifies a set of time-frequency resources used for PDCCH transmission, and is identified with an index
  • the default spatial relation e.g. default spatialRelationInfo RS
  • the default PL-RS can be determined differently.
  • the UE shall determine the UL TX spatial filter for the SRS resource according to the QCL-TypeD RS configured in the indicated joint DL/UL TCI state or the spatialRelationInfo RS configured in the UL TCI state.
  • the PL-RS is not provided for the SRS resource set, and a PL-RS is associated with the indicated joint DL/UL TCI state or UL TCI state, the associated PL-RS shall be determined as the PL-RS for the SRS resource set (i.e. determined as the default PL-RS) .
  • an NZP CSI-RS resource is configured for the SRS resource set used for non-codebook by a RRC signaling associatedCSI-RS for the UE to calculate the precoder (s) applied to the transmission of the SRS resources within the SRS resource set.
  • the UE shall receive the NZP CSI-RS resource using the RX beam that is the same as TX beam used for transmission of the SRS resources.
  • the UE when associatedCSI-RS is configured for the SRS resource set used for non-codebook, while the UE determines the UL TX spatial filter based on the indicated joint DL/UL TCI state or UL TCI state, the UE expects that the QCL-TypeD RS in the TCI state configured for the associatedCSI-RS should be QCLed with the RS used to determine the UL TX spatial filter for PUSCH transmissions and PUCCH transmissions configured in the indicated joint DL/UL TCI state or UL TCI state with QCL-TypeD.
  • the UE shall determine the DL RX spatial filter for the associatedCSI-RS based on the source QCL-TypeD RS in the indicated joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state used to determine the UL TX spatial filter.
  • the UE shall use the source QCL-TypeD RS configured in the joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state to calculate the precoder for SRS transmission used for non-codebook based PUSCH transmission.
  • the other power control parameter including P0, alpha and closedLoopIndex shall be configured by the gNB per SRS resource set with the same manner as in NR Release 15.
  • Figure 2 is a schematic flow chart diagram illustrating an embodiment of a method 200 according to the present application.
  • the method 200 is performed by an apparatus, such as a remote unit (UE) .
  • the method 200 may be performed by a processor executing program code, for example, a microcontroller, a microprocessor, a CPU, a GPU, an auxiliary processing unit, a FPGA, or the like.
  • the method 200 may comprise 202 transmitting a capability on whether “beam misalignment” is supported; and 204 determining a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • the method may further comprise determining power control parameters including P0, alpha and closedLoopIndex for the PUSCH transmissions if the indicated joint DL/UL TCI state or UL TCI state is not associated with a PUSCH power control setting; and determining power control parameters including P0 and closedLoopIndex for the PUCCH transmissions if the indicated joint DL/UL TCI state or UL TCI state is not associated with a PUCCH power control setting.
  • the method may further comprise determining a UL TX spatial filter for SRS resources according to QCL-TypeD RS contained in the indicated joint DL/UL TCI state and/or spatialRelationInfo RS contained in the indicated UL TCI state when spatialRelationInfo RS for SRS resource is not configured.
  • a PL-RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as a default PL-RS for a SRS resource set without configured PL-RS.
  • the QCL-TypeD RS configured for the associatedCSI-RS is QCLed with the RS used to determine the UL TX spatial filter in the indicated joint DL/UL TCI state or UL TCI state with QCL-TypeD, and the DL RX spatial filter for the associatedCSI-RS is determined based on the source QCL-TypeD RS in the indicated joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state.
  • the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter can have different source QCL-TypeD SSB resources, a capability to support “beam misalignment” is transmitted. In some other embodiment, if the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter should have a same source QCL-TypeD SSB resource, a capability not to support “beam misalignment” is transmitted.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS, and the periodic DL RS and a DL RS to determine the UL TX spatial filter have the same source QCL-TypeD SSB resource.
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a second condition that an aperiodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, and a periodic TRS is configured in the TCI state as the source QCL-TypeD RS for the aperiodic TRS, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a third condition that a CSI-RS resource for BM is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state,
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the periodic TRS is determined as the PL-RS; in a second condition that a CSI-RS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the configured CSI-RS resource for BM is determined as the PL-RS;in a third condition that an SSB resource is configured in the UL TCI state to determine the UL TX spatial filter, the configured SSB resource is determined as the PL-RS; in a fourth condition that an SRS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, and an
  • Figure 3 is a schematic flow chart diagram illustrating a further embodiment of a method 300 according to the present application.
  • the method 300 is performed by an apparatus, such as a base unit.
  • the method 300 may be performed by a processor executing program code, for example, a microcontroller, a microprocessor, a CPU, a GPU, an auxiliary processing unit, a FPGA, or the like.
  • the method 300 may comprise 302 receiving a capability on whether “beam misalignment” is supported; and 304 determining a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • the method may further comprise determining power control parameters including P0, alpha and closedLoopIndex for the PUSCH transmissions if the indicated joint DL/UL TCI state or UL TCI state is not associated with a PUSCH power control setting; and determining power control parameters including P0 and closedLoopIndex for the PUCCH transmissions if the indicated joint DL/UL TCI state or UL TCI state is not associated with a PUCCH power control setting.
  • the method may further comprise determining a UL TX spatial filter for SRS resources according to QCL-TypeD RS contained in the indicated joint DL/UL TCI state and/or spatialRelationInfo RS contained in the indicated UL TCI state when spatialRelationInfo RS for SRS resource is not configured.
  • a PL-RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as a default PL-RS for a SRS resource set without configured PL-RS.
  • the QCL-TypeD RS configured for the associatedCSI-RS is QCLed with the RS used to determine the UL TX spatial filter in the indicated joint DL/UL TCI state or UL TCI state with QCL-TypeD, and the DL RX spatial filter for the associatedCSI-RS is determined based on the source QCL-TypeD RS in the indicated joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state.
  • a capability to support “beam misalignment” is received, which means that the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter can have different source QCL-TypeD SSB resources.
  • a capability not to support “beam misalignment” is received, which means that the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter should have a same source QCL-TypeD SSB resource.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS, and the periodic DL RS and a DL RS to determine the UL TX spatial filter have the same source QCL-TypeD SSB resource.
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a second condition that an aperiodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, and a periodic TRS is configured in the TCI state as the source QCL-TypeD RS for the aperiodic TRS, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a third condition that a CSI-RS resource for BM is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state,
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the periodic TRS is determined as the PL-RS; in a second condition that a CSI-RS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the configured CSI-RS resource for BM is determined as the PL-RS; in a third condition that an SSB resource is configured in the UL TCI state to determine the UL TX spatial filter, the configured SSB resource is determined as the PL-RS; in a fourth condition that an SRS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, and an
  • Figure 4 is a schematic block diagram illustrating apparatuses according to one embodiment.
  • the UE i.e. the remote unit
  • the UE includes a processor, a memory, and a transceiver.
  • the processor implements a function, a process, and/or a method which are proposed in Figure 2.
  • the UE comprises a transmitter that transmits a capability on whether “beam misalignment” is supported; and a processor that determines a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • the process may further determine a UL TX spatial filter for SRS resources according to QCL-TypeD RS contained in the indicated joint DL/UL TCI state and/or spatialRelationInfo RS contained in the indicated UL TCI state when spatialRelationInfo RS for SRS resource is not configured.
  • a PL-RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as a default PL-RS for a SRS resource set without configured PL-RS.
  • the QCL-TypeD RS configured for the associatedCSI-RS is QCLed with the RS used to determine the UL TX spatial filter in the indicated joint DL/UL TCI state or UL TCI state with QCL-TypeD, and the DL RX spatial filter for the associatedCSI-RS is determined based on the source QCL-TypeD RS in the indicated joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state.
  • the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter can have different source QCL-TypeD SSB resources, a capability to support “beam misalignment” is transmitted. In some other embodiment, if the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter should have a same source QCL-TypeD SSB resource, a capability not to support “beam misalignment” is transmitted.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS, and the periodic DL RS and a DL RS to determine the UL TX spatial filter have the same source QCL-TypeD SSB resource.
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a second condition that an aperiodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, and a periodic TRS is configured in the TCI state as the source QCL-TypeD RS for the aperiodic TRS, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a third condition that a CSI-RS resource for BM is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state,
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the periodic TRS is determined as the PL-RS; in a second condition that a CSI-RS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the configured CSI-RS resource for BM is determined as the PL-RS; in a third condition that an SSB resource is configured in the UL TCI state to determine the UL TX spatial filter, the configured SSB resource is determined as the PL-RS; in a fourth condition that an SRS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, and an
  • the gNB i.e. base unit
  • the gNB includes a processor, a memory, and a transceiver.
  • the processors implement a function, a process, and/or a method which are proposed in Figure 3.
  • the base unit comprises a receiver that receives a capability on whether “beam misalignment” is supported; and a processor that determines a PL-RS for PUSCH transmissions and PUCCH transmissions from an indicated joint DL/UL TCI state or UL TCI state according to the capability.
  • the processor may further determine a UL TX spatial filter for SRS resources according to QCL-TypeD RS contained in the indicated joint DL/UL TCI state and/or spatialRelationInfo RS contained in the indicated UL TCI state when spatialRelationInfo RS for SRS resource is not configured.
  • a PL-RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as a default PL-RS for a SRS resource set without configured PL-RS.
  • the QCL-TypeD RS configured for the associatedCSI-RS is QCLed with the RS used to determine the UL TX spatial filter in the indicated joint DL/UL TCI state or UL TCI state with QCL-TypeD, and the DL RX spatial filter for the associatedCSI-RS is determined based on the source QCL-TypeD RS in the indicated joint DL/UL TCI state or the source spatialRelationInfo RS in the indicated UL TCI state.
  • a capability to support “beam misalignment” is received, which means that the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter can have different source QCL-TypeD SSB resources.
  • a capability not to support “beam misalignment” is received, which means that the DL RS used as PL-RS and the DL RS used to determine the UL TX spatial filter should have a same source QCL-TypeD SSB resource.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS.
  • a periodic DL RS associated with the indicated joint DL/UL TCI state or UL TCI state is determined as the PL-RS, and the periodic DL RS and a DL RS to determine the UL TX spatial filter have the same source QCL-TypeD SSB resource.
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a second condition that an aperiodic TRS is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state, and a periodic TRS is configured in the TCI state as the source QCL-TypeD RS for the aperiodic TRS, a periodic NZP CSI-RS resource with the same ID as the configured periodic TRS is determined as the PL-RS; in a third condition that a CSI-RS resource for BM is configured as the source QCL-TypeD RS contained in the joint DL/UL TCI state,
  • the PL-RS is determined in different conditions: in a first condition that a periodic TRS is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the periodic TRS is determined as the PL-RS; in a second condition that a CSI-RS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, a periodic NZP CSI-RS resource with the same ID as the configured CSI-RS resource for BM is determined as the PL-RS; in a third condition that an SSB resource is configured in the UL TCI state to determine the UL TX spatial filter, the configured SSB resource is determined as the PL-RS; in a fourth condition that an SRS resource for BM is configured in the UL TCI state to determine the UL TX spatial filter, and an
  • Layers of a radio interface protocol may be implemented by the processors.
  • the memories are connected with the processors to store various pieces of information for driving the processors.
  • the transceivers are connected with the processors to transmit and/or receive a radio signal. Needless to say, the transceiver may be implemented as a transmitter to transmit the radio signal and a receiver to receive the radio signal.
  • the memories may be positioned inside or outside the processors and connected with the processors by various well-known means.
  • each component or feature should be considered as an option unless otherwise expressly stated.
  • Each component or feature may be implemented not to be associated with other components or features.
  • the embodiment may be configured by associating some components and/or features. The order of the operations described in the embodiments may be changed. Some components or features of any embodiment may be included in another embodiment or replaced with the component and the feature corresponding to another embodiment. It is apparent that the claims that are not expressly cited in the claims are combined to form an embodiment or be included in a new claim.
  • the embodiments may be implemented by hardware, firmware, software, or combinations thereof.
  • the exemplary embodiment described herein may be implemented by using one or more application-specific integrated circuits (ASICs) , digital signal processors (DSPs) , digital signal processing devices (DSPDs) , programmable logic devices (PLDs) , field programmable gate arrays (FPGAs) , processors, controllers, micro-controllers, microprocessors, and the like.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays

Abstract

L'invention concerne des procédés et des appareils pour déterminer des paramètres de commande de puissance pour une transmission UL avec une structure TCI unifiée. Un procédé au niveau d'un UE comprend la transmission d'une capacité indiquant si un « désalignement de faisceau » est pris en charge; et la détermination d'un PL-RS pour des transmissions PUSCH et des transmissions PUCCH à partir d'un état de DL/UL TCI joint indiqué ou d'un état d'UL TCI selon la capacité.
PCT/CN2021/111928 2021-08-11 2021-08-11 Configuration et détermination de paramètres de commande de puissance pour une transmission ul avec une structure tci unifiée WO2023015463A1 (fr)

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CN110535617A (zh) * 2019-09-30 2019-12-03 中兴通讯股份有限公司 一种信息确定方法、装置、第一通信节点和存储介质
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