WO2022073369A1 - 信息反馈方法及装置、信息接收方法及装置、设备、存储介质 - Google Patents

信息反馈方法及装置、信息接收方法及装置、设备、存储介质 Download PDF

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Publication number
WO2022073369A1
WO2022073369A1 PCT/CN2021/106064 CN2021106064W WO2022073369A1 WO 2022073369 A1 WO2022073369 A1 WO 2022073369A1 CN 2021106064 W CN2021106064 W CN 2021106064W WO 2022073369 A1 WO2022073369 A1 WO 2022073369A1
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Prior art keywords
grouping
reference signal
report
information
reporting
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PCT/CN2021/106064
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English (en)
French (fr)
Chinese (zh)
Inventor
王喜瑜
鲁照华
高波
胡留军
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ZTE Corp
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ZTE Corp
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Priority to KR1020247007492A priority Critical patent/KR20240033195A/ko
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to JP2023517281A priority patent/JP7378011B2/ja
Priority to EP21876891.9A priority patent/EP4203546B1/en
Priority to AU2021356421A priority patent/AU2021356421B2/en
Priority to KR1020237009086A priority patent/KR102645770B1/ko
Priority to EP25193181.2A priority patent/EP4633054A3/en
Publication of WO2022073369A1 publication Critical patent/WO2022073369A1/zh
Priority to US18/078,711 priority patent/US11882075B2/en
Anticipated expiration legal-status Critical
Priority to AU2023214284A priority patent/AU2023214284B2/en
Priority to JP2023185450A priority patent/JP2023181358A/ja
Priority to US18/387,003 priority patent/US12160391B2/en
Priority to US18/965,604 priority patent/US20250096987A1/en
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • 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
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04B7/0613—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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
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    • 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
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels

Definitions

  • the present application relates to the field of communication technologies, for example, to an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium.
  • the group based report is also called the group beam report.
  • TRPs Transmission Receive Points
  • the present application provides an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium to avoid mutual interference between reference signals.
  • the embodiment of the present application provides an information feedback method, and the method is applied to the first node, including:
  • the embodiment of the present application further provides a method for receiving information.
  • the method is applied to the second node, including:
  • Configuring a report configuration sending the report configuration to a first node, and the first node determines channel state information according to the report configuration, wherein the channel state information includes a reference signal, and the reference signal satisfies the information associated with the report configuration and receiving the channel state information fed back by the first node through the reporting instance.
  • An embodiment of the present application provides an information feedback device, where the device is configured on a first node and includes:
  • a first receiving module configured to receive a report configuration sent by the second node
  • a determining module configured to determine channel state information according to the report configuration, wherein the channel state information includes a reference signal, and the reference signal satisfies the report configuration an associated grouping criterion
  • a feedback module configured to feed back the channel state information to the second node through a reporting instance.
  • An embodiment of the present application provides an apparatus for receiving information.
  • the apparatus is configured on a second node and includes:
  • a configuration module configured to configure a report configuration
  • a sending module configured for the first node to determine channel state information according to the report configuration, wherein the channel state information includes a reference signal, and the reference signal satisfies the requirements of the report configuration an associated grouping criterion
  • a second receiving module configured to receive the channel state information fed back by the first node through the reporting instance.
  • the embodiment of the present application provides a device, including:
  • processors configured to implement the The methods provided by the application examples.
  • An embodiment of the present application provides a storage medium, where the storage medium stores a computer program, and the computer program implements the method provided by the embodiment of the present application when the computer program is executed by a processor.
  • the first node receives the report configuration sent by the second node, and the first node determines the channel state information according to the report configuration, wherein the channel state information A reference signal is included, the reference signal satisfies the grouping criterion associated with the reporting configuration, and the first node feeds back the channel state information to the second node through a reporting instance, avoiding mutual interference between the reference signals.
  • FIG. 1 is a schematic structural diagram of a hybrid precoding transceiver provided by the present application.
  • FIG. 2 is a schematic diagram of downlink transmission of multiple antenna groups provided by the present application.
  • Fig. 3 is the framework schematic diagram of aperiodic CSI trigger state configuration provided by the present application.
  • FIG. 4 is a schematic diagram of the framework of the periodic or semi-persistent CSI feedback configuration provided by the present application.
  • FIG. 6 is a flowchart of a method for receiving information provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a reporting method under multiple report instances provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a reporting method under multiple report instances provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an information feedback device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an information receiving apparatus provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LIE-A Advanced long term evolution, Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • 5G fifth-generation mobile communication technology
  • the base station may be a device capable of communicating with a user terminal.
  • the base station can be any device with wireless transceiver function. Including but not limited to: base station NodeB, evolved NodeB (eNodeB), base station in 5G communication system, base station in future communication system, access node in WiFi system, wireless relay node, wireless backhaul node, etc. .
  • the base station may also be a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN) scenario; the base station may also be a small cell, a transmission node (Transmission Receive Point, TRP), etc. limited.
  • a 5G base station is used as an example for description.
  • the user terminal is a device with wireless transceiver function, which can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed on In the air (eg on airplanes, balloons and satellites, etc.).
  • the user terminal may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal, an augmented reality (Augmented Reality, AR) terminal, an industrial control (industrial control) wireless terminals in ), wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety , wireless terminals in smart cities, wireless terminals in smart homes, and so on.
  • the embodiments of the present application do not limit application scenarios.
  • a user terminal may also sometimes be referred to as a terminal, an access terminal, a User Equipment (UE) unit, a UE station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a UE terminal, a wireless communication device, a UE proxy or UE device etc.
  • UE User Equipment
  • the high frequency band with ultra-wide transmission bandwidth (ie millimeter wave communication) has become an important direction for the development of mobile communication in the future, attracting the attention of academia and industry around the world. With increasingly congested spectrum resources and a large number of physical networks, the advantages of mmWave become more and more attractive.
  • 3GPP The 3rd Generation Partnership Project
  • high-band communication will become an important innovation point of the new radio access technology (New Radio Access Technology, New RAT) compatible under 5G by virtue of its large bandwidth.
  • the high frequency band transmitter sends a training reference signal, and the receiver receives the channel and performs channel estimation. Then, the high-band receiver needs to feed back the channel status information to the high-band transmitter, so that the transceiver can find multiple sets of transceiver antenna weight pairs that can be used for multi-channel data transmission from the optional transceiver antenna weight pairs. , to improve the overall spectral efficiency.
  • the base station there can be multiple antenna panels, and each antenna panel can generate multiple beams, and there is a similar situation for the UE side (for example, for the above-6GHz UE side, such as mmWave communication), so , the core of beam reporting (also referred to as channel state information feedback) is to provide an optimal combination solution in a mixed case of analog domain and/or digital domain.
  • the core of beam reporting also referred to as channel state information feedback
  • FIG. 1 is a schematic structural diagram of a hybrid precoding (hybrid analog-digital beamforming) transceiver provided by the present application.
  • the transmitter and receiver of the system are configured with multiple antenna units and multiple radio frequency links.
  • each radio frequency link is connected with the antenna array unit (partial connection scenarios are not excluded), and each antenna unit has a digital keying phase shifter.
  • the high-band system realizes beamforming at the analog end.
  • a hybrid beamforming transceiver there are multiple RF signal streams.
  • Each signal stream is loaded with a precoded antenna weight vector (AWV) through a digital keying phase shifter, and sent from multiple antenna units to the high-frequency physical propagation channel; at the receiving end, it is received by multiple antenna units
  • ADV antenna weight vector
  • the received RF signal streams are weighted and combined into a single signal stream.
  • the receiver After RF demodulation at the receiving end, the receiver finally obtains multiple received signal streams, which are sampled and received by the digital baseband.
  • the transmitter and receiver of the system may have multiple panels, in order to better support space division multiplexing and reduce the complexity of hardware implementation.
  • the number of effective beams is asymmetrical to the number of beams (beams) that can actually support the largest transmission, that is, the number of beams that can be transmitted at each moment, that is, the number of TXRUs, is much smaller than the number of optional beams.
  • FIG. 2 is a schematic diagram of downlink transmission of multiple antenna groups provided by the present application.
  • TRP's antenna group-1 also called panel-1
  • UE's antenna group-1 generate transmit and receive beams, respectively, for serving DL link-1
  • TRP's antenna group-2 and UE's antenna group -2 to generate transmit and receive beams, respectively, for serving DL link-2.
  • DL link-1 and DL link-2 can be associated with two different antenna ports respectively, or DL link-1 and DL link-2 can be associated with the same antenna port.
  • the base station In order to support the channel state information (Channel State Information, CSI) reporting process, the base station needs to configure channel state information (CSI) feedback related parameters.
  • the aperiodic CSI trigger state configuration mode is first discussed, as shown in FIG. 3 .
  • Multiple CSI-RS resources (CSI-RS resource) are combined into a CSI-RS resource set (CSI-RS resource set), and the one CSI-RS resource set is associated with a CSI resource configuration (CSI resource set) setting, also known as CSI-RS resource config).
  • One or more CSI resource settings may be associated with a CSI reporting configuration (CSI reporting config), wherein, when a CSI reporting configuration is associated with multiple CSI resource settings, the multiple CSI resource settings may be used for channel measurement (channel measurement) Or interference measurement.
  • CSI reporting config it is additionally required to provide the QCL status for each aperiodic CSI-RS associated with it.
  • the base station can flexibly configure the correlation deviation between them through parameters.
  • the power deviation parameter includes the power from the Physical Downlink Shared Channel Resource Element (PDSCH RE) to the CSI-RS (in Figure 3, non-zero-power (NZP) CSI-RS) offset (called Pc), and power offset (P SS ) from NZP CSI-RS REs to SSS (Secondary Synchronization Signal) REs.
  • the P SS is configured on the CSI-RS resource.
  • the CSI trigger state and QCL state per CSI-RS resource in the set of reporting config in Figure 3 do not need to be configured, as shown in Figure 4 said.
  • the QCL state of periodic CSI-RS and semi-persistent CSI-RS is directly configured to the corresponding through the Medium Access Control-Control Element (Medium Access Control-Control Element, MAC-CE) or Radio Resource Control (Radio Resource Control, RRC) message.
  • CSI-RS resource is directly configured to the corresponding through the Medium Access Control-Control Element (Medium Access Control-Control Element, MAC-CE) or Radio Resource Control (Radio Resource Control, RRC) message.
  • an embodiment of the present application provides an information feedback method, and the method is applied to the first node.
  • the information feedback method provided by this embodiment mainly includes steps S11 , S12 and S13 .
  • the first node may be one or more of any terminals provided above, and the second node may be one or more of any base stations provided above.
  • the beam in this embodiment can be understood as a kind of resource (for example, reference signal resource, spatial filter at the transmitting end, spatial filter at the receiving end, precoding at the transmitting end, precoding at the receiving end, antenna port, antenna weight vector, antenna weight matrix, etc. ), the beam sequence number can be replaced with a resource index (eg, a reference signal resource index), because the beam can be bound in transmission with some time-frequency code resources.
  • the beam can also be a transmission (transmission/reception) manner; the transmission manner may include space division multiplexing, frequency domain/time domain diversity, and the like.
  • the base station can perform Quasi co-location (QCL) configuration for the two reference signals, and inform the user end to describe the channel characteristic assumption.
  • the parameters involved in the quasi-co-location include at least, Doppler spread, Doppler shift, delay spread, average delay, average gain. gain) and spatial parameters (Spatial Rx parameter, or Spatial parameter); wherein, spatial parameters may include spatial receiving parameters, such as angle of arrival, spatial correlation of received beams, average delay, correlation of time-frequency channel responses (including phase information).
  • the grouping report refers to a method of grouping reference signals (or, referred to as grouping beams), and reporting the result of the grouping to the base station side.
  • the reporting configuration means that the base end performs quasi-co-location configuration on multiple reference signals.
  • the channel state information further includes one or more of the following: grouping information, reference signal received power (Reference Signal Receiving Power, RSRP), signal to interference plus noise ratio (Signal to Interference plus Noise) Ratio, SINR).
  • grouping information reference signal received power (Reference Signal Receiving Power, RSRP), signal to interference plus noise ratio (Signal to Interference plus Noise) Ratio, SINR).
  • RSRP Reference Signal Receiving Power
  • SINR Signal to Interference plus Noise Ratio
  • the channel state information further includes a Pre-coding Matrix Indicator (PMI), a Channel Quality Indicator (CQI), a Reference Signal Received Power (RSRP), a Signal-to-Interference-plus-Noise Ratio (SINR), Reference Signal Received Quality (Reference Signal Received Quality, RSRQ), Rank Indicator (Rank Indicator, RI), etc.
  • PMI Pre-coding Matrix Indicator
  • CQI Channel Quality Indicator
  • RSRP Reference Signal Received Power
  • SINR Signal-to-Interference-plus-Noise Ratio
  • RSRQ Reference Signal Received Quality
  • RI Rank Indicator
  • Grouping information refers to the information of grouping one or more reference signals, reference signal resource set (resource set), panel, sub-array, antenna group, antenna port group, antenna port group, beam group, transmission unit (transmission entity/unit) ), or the receiving unit (reception entity/unit).
  • the group information is equivalent to a group state (group state) or a group index (group index).
  • a plurality of the report configurations have an associated relationship or a plurality of the report instances have an associated relationship.
  • the association relationship between multiple reporting configurations or the association relationship between multiple reporting instances is determined by one or more of the following signaling: radio resource control (RRC) signaling, medium access control (MAC) signaling - Control unit MAC-CE signaling, downlink control information (Downlink Control Information, DCI) signaling.
  • RRC radio resource control
  • MAC medium access control
  • DCI Downlink Control Information
  • the same transmission parameters are associated with a plurality of the reporting configurations, wherein the transmission parameters include one or more of the following: association identifier, trigger status, time domain characteristic, bandwidth part BWP, carrier unit CC, repeat parameter.
  • a plurality of the report configurations are associated with different control resource pool identifiers.
  • a plurality of the report instances with the associated relationship are in the same time domain unit, and the time domain unit is configured by the second node, or the time domain unit is pre-configured definition.
  • the time domain unit includes at least one of the following: sub-symbol, symbol, slot, subframe, frame, or transmission occasion.
  • the reference signals in the report instances constitute one or more groupings, and a plurality of the report instances satisfy the grouping criteria.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different said reporting configurations can be received simultaneously; the same report from the same said reporting configuration The reference signals in the example cannot be received simultaneously.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different reporting configurations cannot be received simultaneously; the same report from the same reporting configuration The reference signals in the example can be received simultaneously.
  • the grouping criteria include one or more of the following: a beam group grouping criterion and an antenna group grouping criterion.
  • the antenna group may be at least one of the following: a beam group, an antenna port group, an antenna panel, a panel, a UE panel, or a reference signal resource group.
  • the reference signal when the channel state information includes SINR, the reference signal satisfies a beam group grouping criterion; or, when the channel state information includes RSRP, the reference signal satisfies Antenna group grouping criteria.
  • the antenna group grouping criteria include one or more of the following: reference signals in one group cannot be received simultaneously; reference signals in different groups can be received simultaneously; reference signals in one group Signals cannot be sent simultaneously; reference signals within different packets can be sent simultaneously.
  • the beam group grouping criteria include one or more of the following: reference signals in one group can be received simultaneously; reference signals in different groups cannot be received simultaneously; reference signals in one group Can be sent simultaneously; reference signals in different packets cannot be sent simultaneously.
  • the grouping report refers to a method of grouping reference signals (or, referred to as grouping beams), and reporting the result of the grouping to the base station side.
  • Grouping criteria including one and a combination of the following: 1) reference signals within a group cannot be received at the same time; 2) reference signals between groups can be received at the same time; 3) reference signals within a group can be received at the same time; 4) reference signals between groups cannot be received at the same time; 5) Multiplexing transmission cannot be supported under the intra-group reference signal; 6) Multiplexing transmission can be supported under the intra-group reference signal; 7) Multiplexing transmission cannot be supported under the inter-group reference signal; 8) Multiplexing can be supported under the inter-group reference signal 9) Reference signals within a group cannot be sent at the same time; 10) Reference signals within a group can be sent at the same time.
  • the reference signal transmitter may instruct the reference signals to be grouped based on the following criteria ⁇ 3, 4, 6 ⁇ : ⁇ Intra-group reference signals can be received simultaneously, multiplexed transmission can be supported under intra-group reference signals; inter-group reference signals cannot be received simultaneously ⁇ .
  • the beam group-based grouping criteria are defined as: reference signals in one group can be transmitted or received simultaneously, and/or reference signals in different groups cannot be transmitted or received simultaneously.
  • the antenna group-based grouping criteria are defined as: reference signals in one group cannot be transmitted or received simultaneously, and/or reference signals in different groups can be transmitted or received simultaneously.
  • the antenna group-based grouping criteria are defined as: more than N reference signals within a group can be transmitted or received simultaneously, and/or no more than N reference signals within a group can be simultaneously transmitted or received, where N is an integer greater than or equal to 1.
  • the reference signal includes at least one of the following: a channel state information reference signal (Channel State Information-Reference Signal, CSI-RS), a channel state information interference measurement (Channel StateI Information-Interference Measurement, CSI-IM), a demodulation reference signal (Demodulation Reference Signal, DMRS), downlink demodulation reference signal (Downlink DMRS, DL DMRS), uplink demodulation reference signal (Uplink DMRS, UL DMRS), channel sounding reference signal (Sounding Reference Signal, SRS), phase tracking reference signal (Phase Tracking-Reference Signal, PT-RS), Random Access Channel (RACH), Synchronization Signal (Synchronization Signal, SS), Synchronization Signal Block (SS block, also known as Synchronization Signal/Physical Broadcast Channel block , SS/PBCH block), primary synchronization signal (Primary Synchronization Signal, PSS), secondary synchronization signal (Secondary Synchronization Signal, SSS).
  • the uplink reference signal includes at least one of the following: DMRS, UL DMRS, UL PT-RS, SRS, and physical random access channel (Physical RACH, PRACH).
  • the downlink reference signal includes at least one of the following: DMRS, DL DMRS, DL PT-RS, CSI-RS and SS block.
  • control resource pool identifier is also referred to as the pool identifier of the control resource set, or the Control Resource Set (CORESET) Pool Identifier (ID).
  • CORESET Control Resource Set
  • ID Pool Identifier
  • one of the reporting configurations is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • First report instance is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • each report configuration is configured with a corresponding time stamp, and the time stamp is used to indicate the effective time of the report instance corresponding to the report configuration; or; each report instance carries Time indication information, where the time indication information is used to indicate the effective time of the report instance, and the time indication information is determined by the first node.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance is the same as the grouping information carried in the report configuration.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance needs to be different from the grouping information carried in the report configuration.
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the S user antenna panels are determined as the antenna panel set L i ; if the parameter i is less than N-1, remove the RSRP associated with the S reference signals and the S user antenna panels
  • the method for determining the reference signal in the reporting instance includes:
  • the method for determining the reference signal in the reporting instance includes:
  • the SINR associated with the reference signal is determined by other reference signals within the beam grouping.
  • the SINR associated with the reference signal is determined by other reference signals in the beam grouping, including: determining other reference signals in the beam grouping as the interference sum of the SINR associated with the reference signal / or noise.
  • the SINR corresponding to the y-th reference signal in the x-th group is represented by the following formula:
  • K x (y) represents the reference signal sent by the second node corresponding to the y-th reference signal in the x-th group
  • L x (y) represents the y-th reference signal in the x-th group.
  • P(K x (y), L x (y)) represents the received signal power under K x (y) and L x (y)
  • n(K x (y), L x (y)) represents the noise power at Kx(y) and Lx (y)
  • I(m; Kx( y ), Lx ( y )) represents the noise power according to Kx( y ) and Lx (y)
  • the information feedback includes one or more of the following: periodic CSI reporting, semi-persistent CSI reporting, and aperiodic CSI reporting.
  • the first node when the information feedback is periodic CSI reporting or semi-persistent CSI reporting, within a preset time unit, the first node is prohibited from associating the same packet information to different reporting configurations.
  • the association relationship of the report configuration in the periodic CSI report is configured through RRC signaling
  • the association relationship of the report configuration in the semi-persistent CSI report is configured through MAC-CE signaling.
  • determining a plurality of reporting configurations having an associated relationship includes: in aperiodic CSI reporting, determining that a plurality of reporting configurations associated with the same trigger state or the same trigger signaling have an associated relationship.
  • an embodiment of the present application provides an information receiving method, and the method is applied to a second node.
  • the information receiving method provided by this embodiment mainly includes steps S21 , S22 and S23 .
  • the channel state information further includes one or more of the following: grouping information, reference signal received power RSRP, and signal-to-interference-plus-noise ratio SINR.
  • a plurality of the report configurations have an associated relationship or a plurality of the report instances have an associated relationship.
  • the association relationship between multiple reporting configurations or the association relationship between multiple reporting instances is determined by one or more of the following signaling: radio resource control (RRC) signaling, medium access control (MAC) signaling - Control unit MAC-CE signaling, downlink control information DCI signaling.
  • RRC radio resource control
  • MAC medium access control
  • DCI downlink control information
  • the same transmission parameters are associated with a plurality of the reporting configurations
  • the transmission parameters include one or more of the following: an association identifier, a trigger state, a time domain characteristic, a bandwidth part BWP, a carrier unit CC, and a repetition parameter.
  • a plurality of the report configurations are associated with different control resource pool identifiers.
  • a plurality of the report instances with the associated relationship are in the same time domain unit, and the time domain unit is configured by the second node, or the time domain unit is pre-configured definition.
  • the reference signals in the report instances constitute one or more groupings, and a plurality of the report instances satisfy the grouping criteria.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different said reporting configurations can be received simultaneously; the same report from the same said reporting configuration The reference signals in the example cannot be received simultaneously.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different reporting configurations cannot be received simultaneously; the same report from the same reporting configuration The reference signals in the example can be received simultaneously.
  • the grouping criteria include one or more of the following: a beam group grouping criterion and an antenna group grouping criterion.
  • the reference signal when the channel state information includes SINR, the reference signal satisfies a beam group grouping criterion; or, when the channel state information includes RSRP, the reference signal satisfies Antenna group grouping criteria.
  • the antenna group grouping criteria include one or more of the following: reference signals in one group cannot be received simultaneously; reference signals in different groups can be received simultaneously; reference signals in one group Signals cannot be sent simultaneously; reference signals within different packets can be sent simultaneously.
  • the beam group grouping criteria include one or more of the following: reference signals in one group can be received simultaneously; reference signals in different groups cannot be received simultaneously;
  • Reference signals within one packet can be sent simultaneously; reference signals within different packets cannot be sent simultaneously.
  • one of the reporting configurations is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • First report instance is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • each report configuration is configured with a corresponding time stamp, and the time stamp is used to indicate the effective time of the report instance corresponding to the report configuration; or; each report instance carries Time indication information, where the time indication information is used to indicate the effective time of the report instance, and the time indication information is determined by the first node.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance is the same as the grouping information carried in the report configuration.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance needs to be different from the grouping information carried in the report configuration.
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the S user antenna panels are determined as the antenna panel set L i ; if the parameter i is less than N-1, remove the RSRP associated with the S reference signals and the S user antenna panels
  • the method for determining the reference signal in the reporting instance includes:
  • the method for determining the reference signal in the reporting instance includes:
  • the SINR associated with the reference signal is determined by other reference signals within the beam grouping.
  • the SINR associated with the reference signal is determined by other reference signals in the beam grouping, including: determining other reference signals in the beam grouping as the interference sum of the SINR associated with the reference signal / or noise.
  • the SINR corresponding to the y-th reference signal in the x-th group is represented by the following formula:
  • K x (y) represents the reference signal sent by the second node corresponding to the y-th reference signal in the x-th group
  • L x (y) represents the y-th reference signal in the x-th group.
  • P(K x (y), L x (y)) represents the received signal power under K x (y) and L x (y)
  • n(K x (y), L x (y)) represents the noise power at Kx(y) and Lx (y)
  • I(m; Kx( y ), Lx ( y )) represents the noise power according to Kx( y ) and Lx (y)
  • m ⁇ (K x ⁇ K x (y)) means that m belongs to the set K x and does not include the element K x (y ) of the remaining elements.
  • the information feedback includes one or more of the following: periodic CSI reporting, semi-persistent CSI reporting, and aperiodic CSI reporting.
  • the first node when the information feedback is periodic CSI reporting or semi-persistent CSI reporting, within a preset time unit, the first node is prohibited from associating the same packet information to different reporting configurations.
  • the association relationship of the report configuration in the periodic CSI report is configured through RRC signaling
  • the association relationship of the report configuration in the semi-persistent CSI report is configured through MAC-CE signaling.
  • determining a plurality of reporting configurations having an associated relationship includes: in aperiodic CSI reporting, determining that a plurality of reporting configurations associated with the same trigger state or the same trigger signaling have an associated relationship.
  • a method for reporting channel state information under multiple reporting instances is provided.
  • Packet reports are carried by a CSI report instance.
  • the report instance may include multiple groups, wherein each group includes one or more reference signal indices and corresponding channel state information (CSI).
  • the grouping criteria mainly include antenna groups or beam groups.
  • information such as grouping reports may not be effectively shared in real time.
  • the client first needs to determine multiple report configurations with associated relationships.
  • the association relationship between multiple report configurations may be determined through RRC, MAC-CE or DCI signaling.
  • the same transmission parameters are associated with multiple report configurations, wherein the transmission parameters include at least one of the following: an association identifier (for example, a report configuration is associated with an association identifier index, and a report configuration with the same index ID is confirmed to be associated) , triggering state (triggering state), time domain characteristics (involving periodic, aperiodic and semi-persistent), bandwidth part (Bandwidth Part, BWP), carrier unit (Component Carrier, CC), repetition parameter (Repetition parameter).
  • an association identifier for example, a report configuration is associated with an association identifier index, and a report configuration with the same index ID is confirmed to be associated
  • triggering state triggering state
  • time domain characteristics involving periodic, aperiodic and semi-persistent
  • bandwidth part Bandwidth Part, BWP
  • carrier unit Component Carrier, CC
  • repetition parameter repetition parameter
  • time domain unit is configured by the second node or predefined.
  • Grouping criteria including at least one of the following:
  • Reference signals from respective reporting instances under different said reporting configurations can be received simultaneously; reference signals from the same reporting instance under the same said reporting configuration cannot be received simultaneously.
  • the grouping criterion includes at least one of the following: the reference signals from the respective reporting instances under different reporting configurations cannot be received simultaneously; the reference signals from the same reporting instance under the same reporting configuration can be received simultaneously.
  • the report instance includes at least grouping information and reference signals.
  • reference signals from different grouping information can be received simultaneously; reference signals from the same grouping information cannot be received simultaneously.
  • reference signals from the same grouping information can be received simultaneously; reference signals from different grouping information cannot be received simultaneously.
  • one report configuration is configured with a specific identifier, which is used to represent the start identifier of the multiple report instances.
  • the base station can specify the effective time of the associated report instance for each report configuration.
  • the user terminal may indicate to the base station terminal the effective time of the report instance.
  • the user terminal needs to feed back different or the same grouping information.
  • SINR reporting and RSRP reporting are associated with beam group grouping and antenna group grouping respectively, that is, when a user is configured for SINR reporting, the grouping reporting will be performed based on the beam group grouping criteria; and when a user is configured for RSRP reporting, the separate reporting will be based on Antenna group grouping criteria are performed.
  • This application discusses periodic, semi-persistent and aperiodic CSI reporting separately.
  • two or more reporting configurations are associated, and within a given time unit, the UE cannot associate the same grouping information (eg, user antenna panel) to reporting instances corresponding to different reporting configurations.
  • grouping information eg, user antenna panel
  • the association is configured through RRC signaling.
  • two semi-persistent reporting configurations are associated, and within a given time unit, the UE cannot associate the same grouping information (eg, user antenna panel) to reporting instances corresponding to different reporting configurations .
  • grouping information eg, user antenna panel
  • the association is configured by activating the MAC-CE signaling of the semi-persistent CSI reporting.
  • the UE determines that multiple reporting configurations associated with the same trigger state are associated. From the perspective of client implementation, the two report configurations need to correspond one-to-one with the antenna panel of the client.
  • FIG. 7 is a schematic diagram of a reporting method under multiple report instances provided by the present application.
  • the base station sets two report configurations for the user end, and associates the two report configurations, wherein the report configuration a corresponds to the reference signal set under TRP-1, and reporting configuration b corresponds to the reference signal set under TRP-2. Therefore, the UE will select the reference signal index and the corresponding channel state information (for example, RSRP or SINR) under the reference signal set for the two TRPs respectively, and provide a report instance respectively. At the same time, the UE needs to ensure that the reference signals under the two reporting instances can be received simultaneously.
  • the reference signal index and the corresponding channel state information for example, RSRP or SINR
  • TRP-1 the UE reports the reference signal index and the corresponding channel state information under Link-1; while, for TRP-2, the UE reports the reference signal index and the corresponding reference signal index under Link-2 and Link-3 respectively. Corresponding channel state information.
  • TRP-1 and TRP-2 can still effectively work simultaneously in non-ideal backhaul scenarios.
  • a reporting method based on RSRP and antenna group grouping is provided.
  • Grouped reporting needs to address the problem that multiple base station beams can be efficiently received simultaneously.
  • the acquisition of channel state information (such as RSRP, SINR) needs to consider the influence of reporting channel state information between multiple simultaneously received reference signals and the exclusive use of the resources of the UE by the simultaneously received reference signals.
  • the reference signal and the RSRP determination method are as follows. Wherein, under the antenna group grouping criterion, reference signals in one group cannot be received simultaneously, and/or reference signals in different groups can be received simultaneously.
  • the user terminal obtains the corresponding RSRP value P(k,l) after measurement for the kth reference signal and the lth user terminal antenna panel (ie, grouping information).
  • group report is enabled, N groups are reported, and each group contains S reference signals, wherein the UE supports a maximum of N max groups (for example, the UE supports N max antenna panels).
  • the reference signal grouping set Ka and the grouping information 1 a are both empty sets, that is, only the reference signal grouping set is set, but there is no reference signal index in the set, and the grouping information 1 a has no definite value.
  • Step-2 From the RSRP set, determine the optimal reference signal index ks and grouping information ls .
  • Step-3 Under the given grouping information l s , determine the best S reference signals in the following manner.
  • K i K i ⁇ k ⁇
  • Step-4 Determine the S reference signals as the reference signal set K i under the ith grouping, and determine the optimal grouping information ls as the grouping information li under the ith grouping.
  • P/P(x,y) means that the element P(x,y) is removed from the set P, that is, set At the same time, the values of other elements in the set P and their corresponding indices remain unchanged.
  • each group when configuring "RSRP report” and "antenna group grouping criterion", the content of the grouping report is schematically described in Table 1. Considering that the grouping information in each group is the same, under a specified format, each group can only report one grouping information, in addition, one grouping information can also be reported for each reference signal index, and then according to the same grouping information to determine whether they belong to the same group.
  • a reporting method based on RSRP and beam group grouping is provided.
  • the reference signal and RSRP determination method are as follows. Different from the above-described embodiments, under the beam group grouping criterion, reference signals in one group can be received simultaneously, and/or reference signals in different groups cannot be received simultaneously.
  • the user terminal obtains the corresponding RSRP value P(k,l) after measurement for the kth reference signal and the lth user antenna panel.
  • N groups are reported, and each group contains S reference signals, wherein the UE supports a maximum of S max reference signals in one group (eg, the UE supports S max antenna panels).
  • Step-2 From the RSRP set, sequentially determine the best S user antenna panels in the following manner.
  • Step-3 Determine the S reference signals as the reference signal set K i under the ith group, and determine the S user antenna panels as the antenna panel set Li .
  • the grouping information does not need to be reported, because from the base station side, the reference signals can be coded in sequence according to the order of the reference signal grouping.
  • the UE can still use the above algorithm for flexible TRP/reporting configuration and pairing of the UE antenna panels.
  • the base station can designate the user to use a given antenna panel to select the corresponding beam. In this case, the user terminal no longer needs the determination process of the antenna panel ls .
  • the content of the grouping report is shown as described in Table 2.
  • the grouping information here does not need to report the associated user-end antenna panel index, but is numbered in sequence, mainly to distinguish the reference signal grouping.
  • the grouping information can also be used to simplify the beam indication process at the base station (that is, the base station can directly indicate a beam group instead of indicating multiple reference signal indices under a group).
  • a reporting method based on SINR and antenna group grouping is provided.
  • the SINR-based reference signal grouping report needs to consider the interference between reference signals and the interference from other users under multi-user MIMO (Multi-User-MIMO, MU-MIMO). Therefore, under R(k,l) of SINR, it is necessary to consider the signal power under a given reference signal k, and the interference signal power under the UE receiving beam determined by the reference signal (here, thermal noise and interference measurement are considered Resource (Interference Measurement Resource, IMR) (including the received power of NZP-CSI-RS and ZP-IMR).
  • IMR Interference Measurement Resource
  • the user terminal obtains the corresponding signal-to-noise ratio R(k,l) after measurement for the kth reference signal and the lth user terminal antenna panel (ie, grouping information).
  • group report is enabled, N groups are reported, and each group contains S reference signals, wherein the UE supports a maximum of N max groups (for example, the UE supports N max antenna panels).
  • Step-2 From the SINR set, determine the optimal reference signal index ks and grouping information ls ,
  • Step-3 Under the given grouping information l s , determine the best S reference signals,
  • R R ⁇ R(k,l s );
  • K i K i ⁇ k ⁇
  • Step-4 Determine the S reference signals as the reference signal set K i under the ith grouping, and determine the optimal grouping information as the grouping information li under the ith grouping.
  • the reference signal grouping set Ka includes N reference signal sets K i
  • the grouping information 1 a includes N pieces of grouping information li .
  • each group can only report one group information.
  • one group information can also be reported for each reference signal index, and then whether it belongs to the same group can be determined according to the same group information. grouping.
  • a reporting method based on SINR and beam group grouping under intra-group mutual interference is provided.
  • the reporting method under the SINR-based beam group grouping is basically similar to the corresponding method under RSRP, except that the measurement unit needs to be adjusted from RSRP to SINR.
  • the group reporting method in the scenario of intra-group mutual interference is mainly considered. Because, for beam group grouping, reference signals in one group can be received simultaneously, and/or reference signals in different groups cannot be received simultaneously. This means that a packet is actually associated with a transmission mode in which multiple downlink beams are transmitted simultaneously. Assuming that one beam corresponds to one data stream, other beams will interfere with this beam due to simultaneous transmission of multiple beams. It can be seen that in the beam group grouping scenario, the reference signal and mutual interference need to consider the influence from the reference signal in the group.
  • the SINR associated with a reference signal is determined by other reference signals within the group.
  • Other reference signals in the group are regarded as interference and/or noise for determining the SINR associated with the reference signal.
  • the implementation method is as follows: Assume that the user terminal obtains the corresponding signal power P(k,l) for the kth reference signal and the lth user antenna panel after measurement, while the kth reference signal and the lth user When the receiving beam determined by the antenna panel receives the mth reference signal, the interference power is I(m; k, l).
  • the background noise such as interference and thermal noise from neighboring cells under the k reference signals and the lth user antenna panel is n(k,l).
  • N groups are reported, and each group contains S reference signals, wherein the UE supports at most S max reference signals in one group (eg, the UE supports S max antenna panels).
  • Step-2 From the signal power set, select the reference signal and antenna panel combination with the maximum SINR in turn. Once the reference signal and antenna panel combination is selected, it will be used as the subsequent noise part to finally determine the best S a user antenna panel.
  • Li Li ⁇ l s ⁇
  • Step-3 Determine the S reference signals as the reference signal set K i under the ith group, and determine the user antenna panels with the top S SINRs as the antenna panel set L i .
  • the grouping information does not need to be reported, because from the base station side, the reference signals can be encoded in sequence in the order of the reference signal grouping.
  • the content of the grouping report is schematically described in Table 4.
  • the reference signal selected first is not considered to interfere with the reference signal selected later, but in the report, it is still necessary to consider the interference of all other reference signals in the group.
  • the SINR result under the yth reference signal index is:
  • K x (y) represents the reference signal sent by the base station corresponding to the y-th reference signal index in the x-th group
  • L x (y) represents the y-th reference signal index in the x-th group.
  • the corresponding user antenna group, P(K x (y), L x (y)) represents the received signal power under K x (y) and L x (y)
  • n(K x (y), L x ( y)) represents the noise power under Kx(y) and Lx ( y )
  • I(m; Kx(y), Lx ( y )) represents the noise power according to Kx(y) and Lx ( y ) ) to receive the received signal power of the mth reference signal with the receive antenna panel and receive beam determined under one of the remaining elements.
  • a case of group reporting in a low frequency band (sub-6GHz) scenario is provided.
  • the group report is performed by reporting multiple simultaneously received beam pairs (for example, considering the SINR of mutual interference within the group, the user end will perform digital beamforming at the receiving end under multiple receiving antennas, similar to the above-6GHz scenario) , it can still effectively assist the base station to quickly select the optimal transmission beam combination.
  • FIG. 8 is a schematic diagram of a reporting method under multiple report instances provided by an embodiment of the present application, as shown in FIG. 8 .
  • the base station configures two reference signal sets respectively: reference signal set A ⁇ CSI-RS#0, CSI-RS#1, CSI-RS#2, CSI- RS#3 ⁇ and reference signal set B ⁇ CSI-RS#4, CSI-RS#5, CSI-RS#6, CSI-RS#7 ⁇
  • the UE needs to select two reference signal sets from different reference signal sets Signals such as CSI-RS#0 and CSI-RS#6 constitute a group, and the calculation of SINR needs to consider other reference signals in the group as interference reference signals, and output the SINR results of the two reference signals respectively.
  • the base station after receiving two reference signals, will configure the corresponding tracking reference signals (Tracking Referring Signal, TRS) for real-time time domain and frequency domain tracking of the user end.
  • TRS Track Referring Signal
  • the feedback power parameters and channel state information are directly or indirectly fed back to the base station's maximum allowable exposure (Maximum Permissive Exposure).
  • MPE maximum allowable exposure
  • the index of the uplink beam under consideration of MPE effectively assist the base station in the decision of uplink beam scheduling for subsequent uplink channels and reference signals, and improve system performance.
  • an embodiment of the present application provides an information feedback device, and the device is configured at a first node.
  • the information feedback device provided by this embodiment mainly includes a first receiving module 91 and a determining module. 92 and feedback module 93.
  • the first receiving module 91 is configured to receive the report configuration sent by the second node; the determining module 92 is configured to determine channel state information according to the report configuration, wherein the channel state information includes a reference signal, and the reference signal satisfies reporting the grouping criteria associated with the configuration; the feedback module 93 is configured to feed back the channel state information to the second node through the reporting instance.
  • the channel state information further includes one or more of the following: grouping information, reference signal received power RSRP, and signal-to-interference-plus-noise ratio SINR.
  • a plurality of the report configurations have an associated relationship or a plurality of the report instances have an associated relationship.
  • the association relationship between multiple reporting configurations or the association relationship between multiple reporting instances is determined by one or more of the following signaling: radio resource control (RRC) signaling, medium access control (MAC) signaling - Control unit MAC-CE signaling, downlink control information DCI signaling.
  • RRC radio resource control
  • MAC medium access control
  • DCI downlink control information
  • the same transmission parameters are associated with a plurality of the reporting configurations, wherein the transmission parameters include one or more of the following: association identifier, trigger status, time domain characteristic, bandwidth part BWP, carrier unit CC, repeat parameter.
  • a plurality of the report configurations are associated with different control resource pool identifiers.
  • a plurality of the report instances with the associated relationship are in the same time domain unit, and the time domain unit is configured by the second node, or the time domain unit is pre-configured definition.
  • the reference signals in the report instances constitute one or more groupings, and a plurality of the report instances satisfy the grouping criteria.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different said reporting configurations can be received simultaneously; the same report from the same said reporting configuration The reference signals in the example cannot be received simultaneously.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different reporting configurations cannot be received simultaneously; the same report from the same reporting configuration The reference signals in the example can be received simultaneously.
  • the grouping criteria include one or more of the following: a beam group grouping criterion and an antenna group grouping criterion.
  • the reference signal when the channel state information includes SINR, the reference signal satisfies a beam group grouping criterion; or, when the channel state information includes RSRP, the reference signal satisfies Antenna group grouping criteria.
  • the antenna group grouping criteria include one or more of the following: reference signals in one group cannot be received simultaneously; reference signals in different groups can be received simultaneously; reference signals in one group Signals cannot be sent simultaneously; reference signals within different packets can be sent simultaneously.
  • the beam group grouping criteria include one or more of the following: reference signals in one group can be received simultaneously; reference signals in different groups cannot be received simultaneously; reference signals in one group Can be sent simultaneously; reference signals in different packets cannot be sent simultaneously.
  • one of the reporting configurations is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • First report instance is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • each report configuration is configured with a corresponding time stamp, and the time stamp is used to indicate the effective time of the report instance corresponding to the report configuration; or; each report instance carries Time indication information, where the time indication information is used to indicate the effective time of the report instance, and the time indication information is determined by the first node.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance is the same as the grouping information carried in the report configuration.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance needs to be different from the grouping information carried in the report configuration.
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the S user antenna panels are determined as the antenna panel set L i ; if the parameter i is less than N-1, remove the RSRP associated with the S reference signals and the S user antenna panels
  • the method for determining the reference signal in the reporting instance includes:
  • the method for determining the reference signal in the reporting instance includes:
  • the SINR associated with the reference signal is determined from other reference signals within the beam grouping.
  • the SINR associated with the reference signal is determined by other reference signals in the beam grouping, including: determining other reference signals in the beam grouping as the interference sum of the SINR associated with the reference signal / or noise.
  • the SINR corresponding to the y-th reference signal in the x-th group is represented by the following formula:
  • K x (y) represents the reference signal sent by the second node corresponding to the y-th reference signal in the x-th group
  • L x (y) represents the y-th reference signal in the x-th group.
  • P(K x (y), L x (y)) represents the received signal power under K x (y) and L x (y)
  • n(K x (y), L x (y)) represents the noise power at Kx(y) and Lx (y)
  • I(m; Kx( y ), Lx ( y )) represents the noise power according to Kx( y ) and Lx (y)
  • the information feedback includes one or more of the following: periodic CSI reporting, semi-persistent CSI reporting, and aperiodic CSI reporting.
  • the first node when the information feedback is periodic CSI reporting or semi-persistent CSI reporting, within a preset time unit, the first node is prohibited from associating the same grouping information with different reporting configurations.
  • the report example of wherein, the association relationship of the report configuration in the periodic CSI report is configured through RRC signaling, and the association relationship of the report configuration in the semi-persistent CSI report is configured through MAC-CE signaling.
  • multiple reporting configurations with associated relationships are determined, including:
  • aperiodic CSI reporting multiple report configurations associated with the same trigger state or the same trigger signaling are determined to have an associated relationship.
  • the information feedback device provided in this embodiment can execute the information feedback method provided by any embodiment of the present application, and has corresponding functional modules and effects for executing the method.
  • the information feedback device provided in this embodiment, can execute the information feedback method provided by any embodiment of the present application, and has corresponding functional modules and effects for executing the method.
  • the included units and modules are only divided according to functional logic, but are not limited to the above-mentioned division, as long as the corresponding functions can be realized; in addition, the names of the functional units are also It is only for the convenience of distinguishing from each other, and is not intended to limit the protection scope of the present application.
  • an embodiment of the present application provides an information receiving apparatus, and the apparatus is configured on a second node.
  • the information receiving apparatus provided by this embodiment mainly includes a configuration module 101 , a sending module 102 and a The second receiving module 103 .
  • the configuration module 101 is configured to configure a reporting configuration; the sending module 102 is configured for the first node to determine channel state information according to the report configuration, wherein the channel state information includes a reference signal, and the reference signal satisfies the reporting requirements Configure the associated grouping criterion; the second receiving module 103 is configured to receive the channel state information fed back by the first node through the reporting instance.
  • the channel state information further includes one or more of the following: grouping information, reference signal received power RSRP, and signal-to-interference-plus-noise ratio SINR.
  • a plurality of the report configurations have an associated relationship or a plurality of the report instances have an associated relationship.
  • association relationship between multiple report configurations or the association relationship between multiple report instances is determined by one or more of the following signaling:
  • the same transmission parameters are associated with a plurality of the reporting configurations
  • the transmission parameters include one or more of the following: an association identifier, a trigger state, a time domain characteristic, a bandwidth part BWP, a carrier unit CC, and a repetition parameter.
  • a plurality of the report configurations are associated with different control resource pool identifiers.
  • a plurality of the report instances with an associated relationship are in the same time domain unit, and the time domain unit is configured by the second node, or the time domain unit is pre-configured definition.
  • the reference signals in the report instances constitute one or more groupings, and a plurality of the report instances satisfy the grouping criteria.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different said reporting configurations can be received simultaneously; the same report from the same said reporting configuration The reference signals in the example cannot be received simultaneously.
  • the grouping criteria include one or more of the following: reference signals from respective reporting instances under different said reporting configurations cannot be received simultaneously; from the same report under the same said reporting configuration
  • the reference signals in the example can be received simultaneously.
  • the grouping criteria include one or more of the following: a beam group grouping criterion and an antenna group grouping criterion.
  • the reference signal when the channel state information includes SINR, the reference signal satisfies a beam group grouping criterion; or, when the channel state information includes RSRP, the reference signal satisfies Antenna group grouping criteria.
  • the antenna group grouping criteria include one or more of the following: reference signals in one group cannot be received simultaneously; reference signals in different groups can be received simultaneously; reference signals in one group Signals cannot be sent simultaneously; reference signals within different packets can be sent simultaneously.
  • the beam group grouping criteria include one or more of the following: reference signals in one group can be received simultaneously; reference signals in different groups cannot be received simultaneously; reference signals in one group Can be sent simultaneously; reference signals in different packets cannot be sent simultaneously.
  • one reporting configuration is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • First report instance is configured with a specific identifier, and the specific identifier is used to indicate that the reporting instance corresponding to the reporting configuration is one of the multiple reporting instances.
  • a corresponding time flag is configured in each of the report configurations, and the time flag is used to indicate the effective time of the report instance corresponding to the report configuration; or; each of the report instances carries Time indication information, where the time indication information is used to indicate the effective time of the report instance, and the time indication information is determined by the first node.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance is the same as the grouping information carried in the report configuration.
  • the report configuration carries grouping information, and the grouping information corresponding to the report instance needs to be different from the grouping information carried in the report configuration.
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the method for determining the channel state information includes:
  • the S user antenna panels are determined as the antenna panel set L i ; if the parameter i is less than N-1, remove the RSRP associated with the S reference signals and the S user antenna panels
  • the method for determining the reference signal in the reporting instance includes:
  • the method for determining the reference signal in the reporting instance includes:
  • the SINR associated with the reference signal is determined by other reference signals within the beam grouping.
  • the SINR associated with the reference signal is determined by other reference signals in the beam grouping, including: determining other reference signals in the beam grouping as the interference sum of the SINR associated with the reference signal / or noise.
  • the SINR corresponding to the y-th reference signal in the x-th group is represented by the following formula:
  • K x (y) represents the reference signal sent by the second node corresponding to the y-th reference signal in the x-th group
  • L x (y) represents the y-th reference signal in the x-th group.
  • P(K x (y), L x (y)) represents the received signal power under K x (y) and L x (y)
  • n(K x (y), L x (y)) represents the noise power at Kx(y) and Lx (y)
  • I(m; Kx( y ), Lx ( y )) represents the noise power according to Kx( y ) and Lx (y)
  • the information feedback includes one or more of the following: periodic CSI reporting, semi-persistent CSI reporting, and aperiodic CSI reporting.
  • the first node when the information feedback is periodic CSI reporting or semi-persistent CSI reporting, within a preset time unit, the first node is prohibited from associating the same grouping information with different reporting configurations.
  • the report example of wherein, the association relationship of the report configuration in the periodic CSI report is configured through RRC signaling, and the association relationship of the report configuration in the semi-persistent CSI report is configured through MAC-CE signaling.
  • determining a plurality of reporting configurations having an associated relationship includes: in aperiodic CSI reporting, determining that a plurality of reporting configurations associated with the same trigger state or the same trigger signaling have an associated relationship.
  • the information receiving apparatus provided in this embodiment can execute the information receiving method provided by any embodiment of this application, and has corresponding functional modules and effects for executing the method. For technical details not described in detail in this embodiment, reference may be made to the information receiving method provided by any embodiment of this application.
  • the included units and modules are only divided according to functional logic, but are not limited to the above-mentioned division, as long as the corresponding functions can be realized; in addition, the names of the functional units are also It is only for the convenience of distinguishing from each other, and is not intended to limit the protection scope of the present application.
  • FIG. 11 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • the device includes a processor 111 , a memory 112 , an input device 113 , an output device 114 and Communication device 115; the number of processors 111 in the device may be one or more, and one processor 111 is taken as an example in FIG. 11; the processor 111, memory 112, input device 113 and output device 114 in the device can be For connection in other ways, in FIG. 11, the connection by bus is taken as an example.
  • the memory 112 can be used to store software programs, computer-executable programs, and modules.
  • the processor 111 executes various functional applications and data processing of the device by running the software programs, instructions, and modules stored in the memory 112 , that is, implements any method provided by the embodiments of the present application.
  • the memory 112 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the device, and the like. Additionally, memory 112 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 112 may include memory located remotely from processor 111, which may be connected to the device through a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the input device 113 may be used to receive input numerical or character information, and to generate key signal input related to user settings and function control of the device.
  • the output device 114 may include a display device such as a display screen.
  • the communication device 115 may include a receiver and a transmitter.
  • the communication device 115 is configured to transmit and receive information according to the control of the processor 111 .
  • the embodiments of the present application further provide a storage medium containing computer-executable instructions, where the computer-executable instructions are used to execute an information feedback method when executed by a computer processor, and the method is applied to
  • the first node includes: receiving a report configuration sent by the second node; determining channel state information according to the report configuration, wherein the channel state information includes a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; The channel state information is fed back to the second node through a reporting instance.
  • a storage medium containing computer-executable instructions provided by an embodiment of the present application the computer-executable instructions of which are not limited to the above method operations, and can also perform related operations in the information feedback method provided by any embodiment of the present application .
  • an embodiment of the present application further provides a storage medium containing computer-executable instructions, where the computer-executable instructions are used to execute an information receiving method when executed by a computer processor, and the The method is applied to a second node, comprising: configuring a report configuration; sending the report configuration to a first node, the first node determining channel state information according to the report configuration, wherein the channel state information includes a reference signal, The reference signal satisfies the grouping criterion associated with the report configuration; and the channel state information fed back by the first node through the report instance is received.
  • a storage medium containing computer-executable instructions provided by an embodiment of the present application the computer-executable instructions of which are not limited to the above method operations, and can also perform related operations in the information receiving method provided by any embodiment of the present application .
  • the present application can be implemented by software and necessary general-purpose hardware, and can also be implemented by hardware.
  • the technical solution of the present application can be embodied in the form of a software product in essence, and the computer software product can be stored in a computer-readable storage medium, such as a floppy disk of a computer, a read-only memory (Read-Only Memory, ROM), a random access A memory (Random Access Memory, RAM), a flash memory (FLASH), a hard disk or an optical disk, etc., includes a plurality of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) method described.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • the term user terminal covers any suitable type of wireless user equipment, such as a mobile telephone, portable data processing device, portable web browser or vehicle mounted mobile station.
  • the various embodiments of the present application may be implemented in hardware or special purpose circuits, software, logic, or any combination thereof.
  • some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software that may be executed by a controller, microprocessor or other computing device, although the application is not limited thereto.
  • Embodiments of the present application may be implemented by the execution of computer program instructions by a data processor of a mobile device, eg in a processor entity, or by hardware, or by a combination of software and hardware.
  • Computer program instructions may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state setting data, or written in any combination of one or more programming languages source or object code.
  • ISA Instruction Set Architecture
  • the block diagrams of any logic flow in the figures of the present application may represent program steps, or may represent interconnected logic circuits, modules and functions, or may represent a combination of program steps and logic circuits, modules and functions.
  • Computer programs can be stored on memory.
  • the memory may be of any type suitable for the local technical environment and may be implemented using any suitable data storage technology, such as but not limited to read only memory (ROM), random access memory (RAM), optical memory devices and systems (Digital Versatile Discs). (Digital Video Disc, DVD) or compact disc (Compact Disk, CD)), etc.
  • Computer-readable media may include non-transitory storage media.
  • the data processor can be of any type suitable for the local technical environment, such as, but not limited to, a general purpose computer, a special purpose computer, a microprocessor, a digital signal processor (Digital Signal Processing, DSP), an application specific integrated circuit (ASIC) ), programmable logic devices (Field-Programmable Gate Array, FPGA) and processors based on multi-core processor architecture.
  • a general purpose computer such as, but not limited to, a general purpose computer, a special purpose computer, a microprocessor, a digital signal processor (Digital Signal Processing, DSP), an application specific integrated circuit (ASIC) ), programmable logic devices (Field-Programmable Gate Array, FPGA) and processors based on multi-core processor architecture.
  • DSP Digital Signal Processing
  • ASIC application specific integrated circuit
  • FPGA Field-Programmable Gate Array

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PCT/CN2021/106064 2020-10-10 2021-07-13 信息反馈方法及装置、信息接收方法及装置、设备、存储介质 Ceased WO2022073369A1 (zh)

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EP25193181.2A EP4633054A3 (en) 2020-10-10 2021-07-13 Reporting channel state information to a second node through a report instance
JP2023517281A JP7378011B2 (ja) 2020-10-10 2021-07-13 情報フィードバック方法および装置、情報受信方法および装置、機器、並びに記憶媒体
EP21876891.9A EP4203546B1 (en) 2020-10-10 2021-07-13 Reporting channel state information to a second node through a report instance
AU2021356421A AU2021356421B2 (en) 2020-10-10 2021-07-13 Information feedback method and apparatus, information receiving method and apparatus, device, and storage medium
KR1020237009086A KR102645770B1 (ko) 2020-10-10 2021-07-13 정보 피드백 방법 및 장치, 정보 수신 방법 및 장치, 설비 및 저장매체
KR1020247007492A KR20240033195A (ko) 2020-10-10 2021-07-13 정보 피드백 방법 및 장치, 정보 수신 방법 및 장치, 설비 및 저장매체
US18/078,711 US11882075B2 (en) 2020-10-10 2022-12-09 Information feedback method and apparatus, information receiving method and apparatus, device, and storage medium
AU2023214284A AU2023214284B2 (en) 2020-10-10 2023-08-09 Information feedback method and apparatus, information receiving method and apparatus, device, and storage medium
JP2023185450A JP2023181358A (ja) 2020-10-10 2023-10-30 情報フィードバック方法および装置、情報受信方法および装置、機器、並びに記憶媒体
US18/387,003 US12160391B2 (en) 2020-10-10 2023-11-03 Information feedback method and apparatus, information receiving method and apparatus, device, and storage medium
US18/965,604 US20250096987A1 (en) 2020-10-10 2024-12-02 Information feedback method and apparatus, information receiving method and apparatus, device, and storage medium

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