WO2021052166A1 - Procédé et appareil utilisés dans un nœud pour une communication sans fil - Google Patents

Procédé et appareil utilisés dans un nœud pour une communication sans fil Download PDF

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Publication number
WO2021052166A1
WO2021052166A1 PCT/CN2020/112808 CN2020112808W WO2021052166A1 WO 2021052166 A1 WO2021052166 A1 WO 2021052166A1 CN 2020112808 W CN2020112808 W CN 2020112808W WO 2021052166 A1 WO2021052166 A1 WO 2021052166A1
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Prior art keywords
signaling
reference signal
node
information block
reference signals
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PCT/CN2020/112808
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English (en)
Chinese (zh)
Inventor
吴克颖
张晓博
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上海朗帛通信技术有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]

Definitions

  • This application relates to a transmission method and device in a wireless communication system, and more particularly to a transmission method and device related to a side link (Sidelink) in wireless communication.
  • Sidelink side link
  • V2X Vehicle-to-Everything
  • 3GPP has initiated standard formulation and research work under the NR framework.
  • 3GPP has completed the formulation of requirements for 5G V2X services and has written it into the standard TS22.886.
  • 3GPP has defined 4 Use Case Groups for 5G V2X services, including: Automated Queued Driving (Vehicles Platnooning), support Extended sensors (Extended Sensors), semi/automatic driving (Advanced Driving) and remote driving (Remote Driving).
  • Automated Queued Driving Vehicle-to-Everything
  • Advanced Driving Advanced Driving
  • Remote Driving Remote Driving
  • NR V2X Compared with the existing LTE (Long-term Evolution) V2X system, NR V2X has a remarkable feature that it supports power control based on the path loss on the side link (SideLink).
  • SideLink the side link
  • one of the two nodes communicating with each other needs to send a reference signal.
  • the inventor found through research that when the V2X communication node does not send periodic reference signals, how to measure the path loss is a problem that needs to be solved.
  • this application discloses a solution. It should be noted that although the foregoing description uses the secondary link communication scenario as an example, the present application is also applicable to other cellular network communication scenarios, and achieves similar technical effects in the secondary link communication scenario. In addition, adopting a unified solution for different scenarios (including but not limited to secondary link communication and cellular network communication) also helps to reduce hardware complexity and cost.
  • the embodiment in the first node of the present application and the features in the embodiment can be applied to the second node, and vice versa.
  • the embodiments of the application and the features in the embodiments can be combined with each other arbitrarily.
  • This application discloses a method used in a first node of wireless communication, which is characterized in that it includes:
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the The first signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the problem to be solved by this application includes: how to measure the path loss when a periodic reference signal is lacking.
  • the characteristics of the above method include: in order to measure the path loss with a specific node, reference signals sent by the specific node for other nodes can be used.
  • the advantages of the above method include: increasing the reference signal that can be used to measure the path loss, and improving the accuracy of the path loss measurement.
  • the M signaling corresponds to the M reference signals one-to-one; the measurement of the M1 reference signals in the M reference signals is used to determine the first channel quality, and M1 is less than the first channel quality.
  • a positive integer of M the first signaling includes a second field, and the second field included in the first signaling indicates a first index; M1 signaling in the M signaling is related to the M1 One reference signal corresponds to each other; any one of the M signaling includes the second field, and the second field included in any one of the M1 signaling indicates the first index.
  • the characteristics of the above method include: the senders of the M signaling and the M reference signals are both senders of the first signaling; the sender of the first signaling can pass The second field indicates which reference signals can be used together to measure the same path loss value.
  • the advantages of the above method include: avoiding the path loss measurement error caused by factors such as the transmission power of the reference signal or the change of the antenna port.
  • the first information block indicates the first index.
  • the average transmit power of any reference signal in each of the M1 reference signals on each occupied RE is equal to the average transmit power of the first reference signal on each occupied RE power.
  • the first signaling indicates a second identity
  • the second identity is used to identify the sender of the first signaling; among the M signalings Any signaling of indicates the second identity.
  • the second information block is used to determine a first time window and a first value; the first index is equal to the first value; the first reference signal and the M1 reference signals are both located in the Within the first time window.
  • the time interval between the earliest reference signal and the latest reference signal in the (M1+1) reference signals is not greater than the first time interval; the (M1+1) ) Reference signals are composed of the first reference signal and the M1 reference signals.
  • the first node is a user equipment.
  • the first node is a relay node.
  • This application discloses a method used in a second node of wireless communication, which is characterized in that it includes:
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the The first signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the M signaling corresponds to the M reference signals one-to-one; the measurement of the M1 reference signals in the M reference signals is used to determine the first channel quality, and M1 is less than the first channel quality.
  • a positive integer of M the first signaling includes a second field, and the second field included in the first signaling indicates a first index; M1 signaling in the M signaling is related to the M1 One reference signal corresponds to each other; any one of the M signaling includes the second field, and the second field included in any one of the M1 signaling indicates the first index.
  • the first information block indicates the first index.
  • the average transmit power of any reference signal in each of the M1 reference signals on each occupied RE is equal to the average transmit power of the first reference signal on each occupied RE power.
  • the first signaling indicates a second identity
  • the second identity is used to identify the sender of the first signaling; among the M signalings Any signaling of indicates the second identity.
  • the second information block is used to determine a first time window and a first value; the first index is equal to the first value; the first reference signal and the M1 reference signals are both located in the Within the first time window.
  • the time interval between the earliest reference signal and the latest reference signal in the (M1+1) reference signals is not greater than the first time interval; the (M1+1) ) Reference signals are composed of the first reference signal and the M1 reference signals.
  • the second node is a user equipment.
  • the second node is a relay node.
  • the second node is a base station.
  • This application discloses a first node device used for wireless communication, which is characterized in that it includes:
  • the first receiver receives the first signaling and the first reference signal
  • the first transmitter sends the first information block
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the The first signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • This application discloses a second node device used for wireless communication, which is characterized in that it includes:
  • the second transmitter sends the first signaling and the first reference signal
  • the second receiver receives the first information block
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the The first signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • this application has the following advantages:
  • Fig. 1 shows a flow chart of the first signaling, the first reference signal and the first information block according to an embodiment of the present application
  • Figure 2 shows a schematic diagram of a network architecture according to an embodiment of the present application
  • Fig. 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application
  • Fig. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application
  • Figure 5 shows a flow chart of transmission according to an embodiment of the present application
  • Figure 6 shows a flow chart of transmission according to an embodiment of the present application
  • FIG. 7 shows a schematic diagram of the first signaling, the first destination identifier, and the first node group according to an embodiment of the present application
  • FIG. 8 shows a schematic diagram of the relationship between M signaling and M reference signals according to an embodiment of the present application
  • FIG. 9 shows a schematic diagram of the relationship between the second domain and the first index according to an embodiment of the present application.
  • FIG. 10 shows a schematic diagram of a first information block indicating a first index according to an embodiment of the present application
  • FIG. 11 shows a schematic diagram of the relationship between the second domain and the corresponding reference signal according to an embodiment of the present application
  • Fig. 12 shows a schematic diagram of the first signaling, M signaling and the second identity according to an embodiment of the present application
  • Fig. 13 shows a schematic diagram of a second information block according to an embodiment of the present application.
  • Fig. 14 shows a schematic diagram of a second information block according to an embodiment of the present application.
  • Fig. 15 shows a schematic diagram of a second information block according to an embodiment of the present application.
  • Fig. 16 shows a schematic diagram of (M1+1) reference signals and a first time interval according to an embodiment of the present application
  • Fig. 17 shows a structural block diagram of a processing apparatus used in a first node device according to an embodiment of the present application
  • Fig. 18 shows a structural block diagram of a processing apparatus for a device in a second node according to an embodiment of the present application.
  • Embodiment 1 illustrates the flow chart of the first signaling, the first reference signal and the first information block according to an embodiment of the present application, as shown in FIG. 1.
  • each box represents a step.
  • the order of the steps in the box does not represent a specific time sequence between the steps.
  • the first node in this application receives the first signaling and the first reference signal in step 101; and sends the first information block in step 102.
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the The first signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the first signaling is dynamic signaling.
  • the first signaling is layer 1 (L1) signaling.
  • the first signaling is layer 1 (L1) control signaling.
  • the first signaling includes SCI (Sidelink Control Information, secondary link control information).
  • the first signaling includes one or more fields in an SCI.
  • the first signaling includes DCI (Downlink Control Information, downlink control information).
  • DCI Downlink Control Information, downlink control information
  • the first signaling includes one or more domains in one DCI.
  • the first signaling is transmitted on the side link (SideLink).
  • the first signaling is transmitted through the PC5 interface.
  • the first signaling is transmitted on the downlink (DownLink).
  • the first signaling is transmitted through the Uu interface.
  • the first signaling does not include a reference signal.
  • the first signaling is unicast (Unicast) transmission.
  • the first signaling is transmitted by multicast (Groupcast).
  • the first signaling is broadcast (Boradcast) transmission.
  • the first reference signal includes SL (SideLink, secondary link) RS (Reference Signal, reference signal).
  • the first reference signal includes CSI-RS (Channel-State Information Reference Signals).
  • CSI-RS Channel-State Information Reference Signals
  • the first reference signal includes SL CSI-RS.
  • the first reference signal includes SRS (Sounding Reference Signal, sounding reference signal).
  • the first reference signal includes DMRS (DeModulation Reference Signals).
  • the first reference signal includes SL DMRS.
  • the first reference signal includes PTRS (Phase-Tracking Reference Signal).
  • the first reference signal includes SL PTRS.
  • the first reference signal is transmitted on a side link (SideLink).
  • the first reference signal is transmitted through the PC5 interface.
  • the first reference signal is transmitted on the downlink.
  • the first reference signal is transmitted through the Uu interface.
  • the sender of the first reference signal is the sender of the first signaling.
  • the sender of the first reference signal and the sender of the first signaling are QCL (Quasi Co-Located).
  • the phrase that the first signaling corresponds to the first reference signal includes: the first signaling indicates configuration information of the first reference signal; the configuration of the first reference signal Information includes: occupied time domain resources, occupied frequency domain resources, occupied code domain resources, RS sequence, mapping method, cyclic shift, OCC (Orthogonal Cover Code, orthogonal mask), One or more of frequency domain spreading sequence or time domain spreading sequence.
  • the configuration of the first reference signal Information includes: occupied time domain resources, occupied frequency domain resources, occupied code domain resources, RS sequence, mapping method, cyclic shift, OCC (Orthogonal Cover Code, orthogonal mask), One or more of frequency domain spreading sequence or time domain spreading sequence.
  • the phrase that the first signaling corresponds to the first reference signal includes: the first signaling indicates a first time-frequency resource block, and the first reference signal is at the first time-frequency resource block.
  • the resource block is transmitted; the first time-frequency resource block includes a positive integer number of REs (Resource Elements).
  • the phrase that the first signaling corresponds to the first reference signal includes: the first reference signal is used for demodulation of the first signaling.
  • the phrase that the first signaling corresponds to the first reference signal includes: the first reference signal includes the DMRS of the first signaling.
  • the phrase that the first signaling corresponds to the first reference signal includes: the channel experienced by the first signaling can be inferred from the channel experienced by the first reference signal.
  • the channel includes ⁇ CIR (Channel Impulse Response, channel impulse response), PMI (Precoding Matrix Indicator), CQI (Channel Quality Indicator, channel quality indicator), RI (Rank Indicator, One or more of rank identifier) ⁇ .
  • CIR Channel Impulse Response, channel impulse response
  • PMI Precoding Matrix Indicator
  • CQI Channel Quality Indicator, channel quality indicator
  • RI Rank Indicator, One or more of rank identifier
  • the phrase that the first signaling corresponds to the first reference signal includes: the first reference signal is used for demodulation of the data channel scheduled by the first signaling.
  • the phrase that the first signaling corresponds to the first reference signal includes: the first reference signal includes a DMRS of a data channel scheduled by the first signaling.
  • the phrase that the first signaling corresponds to the first reference signal includes: from the channel experienced by the first reference signal, it can be inferred that the data channel scheduled by the first signaling has experienced Channel.
  • the data channel scheduled by the first signaling is PDSCH (Physical Downlink Shared Channel).
  • the data channel scheduled by the first signaling is PUSCH (Physical Uplink Shared Channel).
  • the data channel scheduled by the first signaling is a PSSCH (Physical Sidelink Shared Channel, physical secondary link shared channel).
  • PSSCH Physical Sidelink Shared Channel, physical secondary link shared channel
  • the first information block is carried by physical layer signaling.
  • the first information block is carried by MAC CE (Medium Access Control Layer Control Element) signaling.
  • MAC CE Medium Access Control Layer Control Element
  • the first information block includes a positive integer number of binary information bits.
  • the first information block includes CSI (Channel Status Information, channel status information).
  • the first information block includes CQI.
  • the first information block includes PMI.
  • the first information block includes RI.
  • the first information block includes RSRP (Reference Signal Received Power).
  • the first information block includes RSRQ (Reference Signal Received Quality, reference signal received quality).
  • RSRQ Reference Signal Received Quality, reference signal received quality
  • the first information block is transmitted on a side link (SideLink).
  • SideLink side link
  • the first information block is transmitted through the PC5 interface.
  • the first information block is transmitted on the uplink.
  • the first information block is transmitted through a Uu interface.
  • the target recipient of the first information block includes the sender of the first signaling.
  • the first information block explicitly indicates the first channel quality.
  • the first information block implicitly indicates the first channel quality.
  • the first channel quality includes RSRP.
  • the first channel quality includes L1 (layer 1)-RSRP.
  • the first channel quality includes L3 (Layer 3)-RSRP.
  • the first channel quality includes CQI.
  • the sentence that the measurement of the first reference signal is used to determine the first channel quality includes: the first channel quality is the RSRP of the first reference signal.
  • the sentence measurement for the first reference signal used to determine the first channel quality includes: the first channel quality is L1 (layer 1)-RSRP of the first reference signal .
  • the sentence measurement for the first reference signal used to determine the first channel quality includes: the first channel quality is the L3 (layer 3)-RSRP of the first reference signal .
  • the sentence that the measurement of the first reference signal is used to determine the first channel quality includes: the first channel quality is the measurement of the first reference signal on each occupied RE Linear average of received power.
  • the sentence that the measurement of the first reference signal is used to determine the first channel quality includes: the first channel quality is the measurement of the first reference signal on each occupied RE The linear average value of the received power is converted to dBm.
  • the sentence that the measurement on the first reference signal is used to determine the first channel quality includes: the measurement on the first reference signal is used for channel estimation, and the result of the channel estimation Is used to generate the first channel quality.
  • the measurement of the sentence on the first reference signal used to determine the first channel quality includes: the measurement on the first reference signal is used to calculate a first signal-to-interference-to-noise ratio, so The first channel quality is obtained by looking up the first signal-to-interference-to-noise ratio.
  • the unit of the first channel quality is dBm (millidecibel).
  • the unit of the first channel quality is Watt.
  • the first channel quality has no unit.
  • Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in FIG. 2.
  • FIG. 2 illustrates the network architecture 200 of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced, Enhanced Long-Term Evolution) and the future 5G system.
  • the network architecture 200 of LTE, LTE-A and the future 5G system is called EPS (Evolved Packet System, Evolved Packet System) 200.
  • EPS Evolved Packet System, Evolved Packet System
  • EPS 200 may include one or more UE (User Equipment) 201, a UE 241 that performs sidelink communication with UE 201, NG-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G) -CoreNetwork, 5G core network)/EPC (Evolved Packet Core, evolved packet core) 210, HSS (Home Subscriber Server) 220 and Internet service 230.
  • EPS200 can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown in FIG. 2, EPS200 provides packet switching services. However, those skilled in the art will easily understand that various concepts presented throughout this application can be extended to networks that provide circuit switching services.
  • NG-RAN 202 includes NR (New Radio) Node B (gNB) 203 and other gNB 204.
  • gNB203 provides user and control plane protocol termination towards UE201.
  • the gNB203 can be connected to other gNB204 via an X2 interface (for example, backhaul).
  • the gNB203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmit and receive point), or some other suitable terminology.
  • gNB203 provides UE201 with an access point to 5G-CN/EPC210.
  • UE201 examples include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players ( For example, MP3 players), cameras, game consoles, drones, aircraft, narrowband physical network equipment, machine type communication equipment, land vehicles, automobiles, wearable devices, or any other similar functional devices.
  • UE201 can also refer to UE201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
  • gNB203 is connected to 5G-CN/EPC210 through the S1 interface.
  • 5G-CN/EPC210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/UPF (User Plane Function, user plane) Function) 211, other MME/AMF/UPF 214, S-GW (Service Gateway) 212, and P-GW (Packet Date Network Gateway) 213.
  • MME/AMF/UPF211 is a control node that handles signaling between UE201 and 5G-CN/EPC210.
  • MME/AMF/UPF211 provides bearer and connection management.
  • the Internet service 230 includes Internet protocol services corresponding to operators, and specifically may include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem), and packet switching (Packet switching) services.
  • the first node in this application includes the UE201.
  • the first node in this application includes the UE241.
  • the second node in this application includes the UE241.
  • the second node in this application includes the UE201.
  • the air interface between the UE201 and the gNB203 is a Uu interface.
  • the wireless link between the UE201 and the gNB203 is a cellular network link.
  • the air interface between the UE201 and the UE241 is a PC5 interface.
  • the radio link between the UE 201 and the UE 241 is a side link (Sidelink).
  • the first node in this application and the second node in this application are respectively a terminal within the coverage of the gNB203.
  • the first node in this application is a terminal within the coverage of the gNB203
  • the second node in this application is a terminal outside the coverage of the gNB203.
  • the first node in this application is a terminal outside the coverage of the gNB203
  • the second node in this application is a terminal within the coverage of the gNB203.
  • the first node in this application and the second node in this application are respectively a terminal outside the coverage of the gNB203.
  • unicast transmission is supported between the UE201 and the UE241.
  • the UE 201 and the UE 241 support broadcast (Broadcast) transmission.
  • the UE 201 and the UE 241 support multicast (Groupcast) transmission.
  • the sender of the first signaling and the first reference signal in this application includes the UE241.
  • the recipient of the first signaling and the first reference signal in this application includes the UE201.
  • the sender of the first signaling and the first reference signal in this application includes the UE201.
  • the recipient of the first signaling and the first reference signal in this application includes the UE241.
  • the sender of the first information block in this application includes the UE201.
  • the recipient of the first information block in this application includes the UE 241.
  • the sender of the first information block in this application includes the UE 241.
  • the recipient of the first information block in this application includes the UE201.
  • Embodiment 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application, as shown in FIG. 3.
  • Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3.
  • Figure 3 is a schematic diagram illustrating an embodiment of the radio protocol architecture for the user plane 350 and the control plane 300.
  • Figure 3 shows three layers for the first communication node device (UE, gNB or RSU in V2X) and the second Communication node equipment (gNB, UE or RSU in V2X), or the radio protocol architecture of the control plane 300 between two UEs: layer 1, layer 2, and layer 3.
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions.
  • the L1 layer will be referred to as PHY301 herein.
  • Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first communication node device and the second communication node device.
  • L2 layer 305 includes MAC (Medium Access Control) sublayer 302, RLC (Radio Link Control, radio link layer control protocol) sublayer 303, and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sublayers terminate at the second communication node device.
  • the PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels.
  • the PDCP sublayer 304 also provides security by encrypting data packets, as well as providing support for cross-zone movement between the second communication node devices and the first communication node device.
  • the RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ.
  • the MAC sublayer 302 provides multiplexing between logical and transport channels.
  • the MAC sublayer 302 is also responsible for allocating various radio resources (for example, resource blocks) in a cell among the first communication node devices.
  • the MAC sublayer 302 is also responsible for HARQ operations.
  • the RRC (Radio Resource Control) sublayer 306 in layer 3 (L3 layer) of the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and using the second communication node device and the first communication node device.
  • the radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer).
  • the radio protocol architecture used for the first communication node device and the second communication node device is for the physical layer 351, L2
  • the PDCP sublayer 354 in the layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 are substantially the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 is also Provides header compression for upper layer data packets to reduce radio transmission overhead.
  • the L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol) sublayer 356.
  • SDAP Service Data Adaptation Protocol
  • the SDAP sublayer 356 is responsible for the mapping between QoS flows and data radio bearer (DRB, Data Radio Bearer) To support business diversity.
  • the first communication node device may have several upper layers above the L2 layer 355, including a network layer (for example, an IP layer) terminating at the P-GW on the network side and another terminating at the connection.
  • Application layer at one end for example, remote UE, server, etc.).
  • the wireless protocol architecture in FIG. 3 is applicable to the first node in this application.
  • the wireless protocol architecture in FIG. 3 is applicable to the second node in this application.
  • the first signaling is generated in the PHY301 or the PHY351.
  • the first signaling is generated in the MAC sublayer 302 or the MAC sublayer 352.
  • the first reference signal is generated in the PHY301 or the PHY351.
  • the first information block is generated in the PHY301 or the PHY351.
  • the first information block is generated in the MAC sublayer 302 or the MAC sublayer 352.
  • any one of the M signaling is generated in the PHY301 or the PHY351.
  • any one of the M signaling is generated in the MAC sublayer 302 or the MAC sublayer 352.
  • any one of the M reference signals is generated in the PHY301 or the PHY351.
  • the second information block is generated in the RRC sublayer 306.
  • Embodiment 4 illustrates a schematic diagram of the first communication device and the second communication device according to an embodiment of the present application, as shown in FIG. 4.
  • FIG. 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.
  • the first communication device 410 includes a controller/processor 475, a memory 476, a receiving processor 470, a transmitting processor 416, a multi-antenna receiving processor 472, a multi-antenna transmitting processor 471, a transmitter/receiver 418, and an antenna 420.
  • the second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmitting processor 468, a receiving processor 456, a multi-antenna transmitting processor 457, a multi-antenna receiving processor 458, and a transmitter/receiver 454 And antenna 452.
  • the upper layer data packet from the core network is provided to the controller/processor 475.
  • the controller/processor 475 implements the functionality of the L2 layer.
  • the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logic and transmission channels, and multiplexing of the second communication device 450 based on various priority metrics. Radio resource allocation.
  • the controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450.
  • the transmission processor 416 and the multi-antenna transmission processor 471 implement various signal processing functions for the L1 layer (ie, physical layer).
  • the transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying) (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)) constellation mapping.
  • modulation schemes e.g., binary phase shift keying (BPSK), quadrature phase shift keying) (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)
  • the multi-antenna transmission processor 471 performs digital spatial precoding on the encoded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more parallel streams.
  • the transmit processor 416 maps each parallel stream to subcarriers, multiplexes the modulated symbols with reference signals (e.g., pilot) in the time domain and/or frequency domain, and then uses inverse fast Fourier transform (IFFT) ) To generate a physical channel carrying a multi-carrier symbol stream in the time domain.
  • the multi-antenna transmission processor 471 performs a transmission simulation precoding/beamforming operation on the time-domain multi-carrier symbol stream.
  • Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmission processor 471 into a radio frequency stream, and then provides it to a different antenna 420.
  • each receiver 454 receives a signal through its corresponding antenna 452.
  • Each receiver 454 recovers the information modulated on the radio frequency carrier, and converts the radio frequency stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456.
  • the receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of the L1 layer.
  • the multi-antenna receiving processor 458 performs reception analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454.
  • the receiving processor 456 uses a Fast Fourier Transform (FFT) to convert the baseband multi-carrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain.
  • FFT Fast Fourier Transform
  • the reference signal will be used for channel estimation.
  • the data signal is recovered by the multi-antenna receiving processor 458 after multi-antenna detection.
  • the communication device 450 is any parallel stream that is the destination. The symbols on each parallel stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated.
  • the receiving processor 456 then decodes and deinterleaves the soft decision to recover the upper layer data and control signals transmitted by the first communication device 410 on the physical channel.
  • the upper layer data and control signals are then provided to the controller/processor 459.
  • the controller/processor 459 implements the functions of the L2 layer.
  • the controller/processor 459 may be associated with a memory 460 that stores program codes and data.
  • the memory 460 may be referred to as a computer-readable medium.
  • the controller/processor 459 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the core network.
  • the upper layer data packets are then provided to all protocol layers above the L2 layer.
  • Various control signals can also be provided to L3 for L3 processing.
  • the controller/processor 459 is also responsible for error detection using acknowledgement (ACK) and/or negative acknowledgement (NACK) protocols to support HARQ operations.
  • ACK acknowledgement
  • NACK negative acknowledgement
  • a data source 467 is used to provide upper layer data packets to the controller/processor 459.
  • the data source 467 represents all protocol layers above the L2 layer.
  • the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and logical AND based on the wireless resource allocation of the first communication device 410 Multiplexing between transport channels to implement L2 layer functions for user plane and control plane.
  • the controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410.
  • the transmission processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmission processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, followed by transmission
  • the processor 468 modulates the generated parallel stream into a multi-carrier/single-carrier symbol stream, which is subjected to an analog precoding/beamforming operation in the multi-antenna transmission processor 457 and then provided to different antennas 452 via the transmitter 454.
  • Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then supplies it to the antenna 452.
  • the function at the first communication device 410 is similar to that in the transmission from the first communication device 410 to the second communication device 450.
  • Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to the multi-antenna receiving processor 472 and the receiving processor 470.
  • the receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer.
  • the controller/processor 475 implements L2 layer functions.
  • the controller/processor 475 may be associated with a memory 476 that stores program codes and data.
  • the memory 476 may be referred to as a computer-readable medium.
  • the controller/processor 475 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the second communication device 450.
  • the upper layer data packet from the controller/processor 475 may be provided to the core network.
  • the controller/processor 475 is also responsible for error detection using ACK and/or NACK protocols to support HARQ operations.
  • the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Use at least one processor together.
  • the second communication device 450 means at least: receiving the first signaling and the first reference signal in this application; and sending the first information block in this application.
  • the first signaling corresponds to the first reference signal; the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality; the first The signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the second communication device 450 includes: a memory storing a program of computer-readable instructions, the program of computer-readable instructions generates actions when executed by at least one processor, and the actions include: receiving the present The first signaling and the first reference signal in the application; sending the first information block in the application.
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the first The signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Use at least one processor together.
  • the first communication device 410 means at least: sending the first signaling and the first reference signal in this application; and receiving the first information block in this application.
  • the first signaling corresponds to the first reference signal; the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality; the first The signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the first communication device 410 includes: a memory storing a computer-readable program of instructions, the computer-readable program of instructions generates actions when executed by at least one processor, and the actions include: The first signaling and the first reference signal in the application; receiving the first information block in the application.
  • the first signaling corresponds to the first reference signal;
  • the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel quality;
  • the first The signaling indicates a first purpose identifier, and the first purpose identifier is used to identify a first node group, and the first node group includes a positive integer number of nodes other than the first node.
  • the first node in this application includes the second communication device 450.
  • the second node in this application includes the first communication device 410.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the first signaling and the first reference signal in this application;
  • the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ One is used to receive the first information block in this application; ⁇ the antenna 452, the transmitter 454, the transmission processor 468, the multi-antenna transmission processor 457, the controller/ At least one of the processor 459, the memory 460, and the data source 467 ⁇ is used to send the first information block in this application.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the M signaling and M reference signals in this application;
  • the antenna 420, the transmitter 418, the transmit processor 416, the multiple At least one of the antenna transmission processor 471, the controller/processor 475, and the memory 476 ⁇ is used to transmit the M signaling and M reference signals in this application.
  • Embodiment 5 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 5.
  • the second node U1 and the first node U2 are communication nodes that are transmitted over the air interface.
  • the steps in blocks F51 and F52 are optional.
  • the second node U1 sends the second information block in step S5101; sends the first signaling and the first reference signal in step S511; sends M signaling and M reference signals in step S5102; receives in step S512 The first information block.
  • the first node U2 receives the second information block in step S5201; receives the first signaling and the first reference signal in step S521; receives M signaling and M reference signals in step S5202; sends it in step S522 The first information block.
  • the first signaling corresponds to the first reference signal; the first information block indicates the first channel quality, and the measurement of the first reference signal is used by the first node U2 Determine the first channel quality; the first signaling indicates a first destination identifier, the first destination identifier is used to identify a first node group, and the first node group includes other than the first node A positive integer number of nodes.
  • the first node U2 is the first node in this application.
  • the second node U1 is the second node in this application.
  • the air interface between the second node U1 and the first node U2 is a PC5 interface.
  • the air interface between the second node U1 and the first node U2 includes a secondary link.
  • the air interface between the second node U1 and the first node U2 is a Uu interface.
  • the air interface between the second node U1 and the first node U2 includes a cellular link.
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between the user equipment and the user equipment.
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between a base station device and a user equipment.
  • the first node in this application is a terminal.
  • the first node in this application is a car.
  • the first node in this application is a vehicle.
  • the first node in this application is an RSU (Road Side Unit).
  • the second node in this application is a terminal.
  • the second node in this application is a car.
  • the second node in this application is a vehicle.
  • the second node in this application is an RSU.
  • the second node in this application is a base station.
  • the steps in block F52 in FIG. 5 exist; M is a positive integer greater than 1, and the M signaling corresponds to the M reference signals one-to-one; for the M reference signals
  • the measurement of M1 reference signals in the first node U2 is used by the first node U2 to determine the first channel quality, and M1 is a positive integer less than the M;
  • the first signaling includes a second field, and the first The second field included in the signaling indicates the first index;
  • the M1 signaling in the M signaling corresponds to the M1 reference signal one-to-one; any signaling in the M signaling includes In the second field, the second field included in any of the M1 signaling indicates the first index
  • the steps in block F51 and block F52 in FIG. 5 exist; the second information block is used by the first node U2 to determine the first time window and the first value; The first index is equal to the first value; the first reference signal and the M1 reference signals are all located within the first time window.
  • the step in block F52 in FIG. 5 does not exist.
  • the step in block F51 in FIG. 5 does not exist.
  • one of the M1 reference signals is earlier than the first reference signal.
  • the first signaling is transmitted on a secondary link physical layer control channel (that is, a secondary link channel that can only be used to carry physical layer signaling).
  • a secondary link physical layer control channel that is, a secondary link channel that can only be used to carry physical layer signaling.
  • the first signaling is transmitted on PSCCH (Physical Sidelink Control Channel).
  • PSCCH Physical Sidelink Control Channel
  • the first signaling is transmitted on PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel, Physical Downlink Control Channel
  • the first information block is transmitted on a secondary link physical layer data channel (that is, a secondary link channel that can be used to carry physical layer data).
  • a secondary link physical layer data channel that is, a secondary link channel that can be used to carry physical layer data
  • the first information block is transmitted on the PSSCH.
  • the first information block is transmitted on PSFCH (Physical Sidelink Feedback Channel).
  • PSFCH Physical Sidelink Feedback Channel
  • the first information block is transmitted on the PSCCH.
  • the first information block is transmitted on the PUSCH.
  • any one of the M signalings is transmitted on a secondary link physical layer control channel (that is, a secondary link channel that can only be used to carry physical layer signaling).
  • any one of the M signalings is transmitted on the PSCCH.
  • one of the M signalings is transmitted on the PDCCH.
  • the second information block is transmitted on the PSSCH.
  • the second information block is transmitted on a PSBCH (Physical Sidelink Broadcast Channel).
  • PSBCH Physical Sidelink Broadcast Channel
  • the second information block is transmitted on the PDSCH.
  • Embodiment 6 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 6.
  • the second node U3 and the first node U4 are communication nodes that are transmitted through an air interface.
  • the steps in blocks F61 to F63 are optional.
  • the second node U3 sends the second information block in step S6301; sends the first signaling, the first reference signal and the first signal in step S631; sends M signaling, M reference signals and M in step S6302 Two signals; in step S6303 the second signaling is received; in step S632, the first information block is received.
  • the first node U4 receives the second information block in step S6401; receives the first signaling, the first reference signal and the first signal in step S641; receives M signaling, M reference signals and M in step S6402 Two signals; send the second signaling in step S6403; send the first information block in step S642.
  • the first signaling includes the scheduling information of the first signal
  • the M signalings include the scheduling information of the M signals
  • the second signaling includes the scheduling information of the second signal. Scheduling information
  • the second signal carries the first information block.
  • the method used in the first node for wireless communication includes:
  • the first reference signal is used for demodulation of the first signal.
  • the first reference signal is used for the DMRS of the first signal.
  • the first node group is a target recipient of the first signal.
  • the first signal includes a baseband signal.
  • the first signal includes a wireless signal.
  • the first signal is transmitted on a side link (SideLink).
  • SideLink side link
  • the first signal is transmitted through the PC5 interface.
  • the first signal is transmitted on a downlink (DownLink).
  • DownLink downlink
  • the first signal is transmitted through the Uu interface.
  • the first signal is unicast (Unicast) transmission.
  • the first signal is multicast (Groupcast) transmission.
  • the first signal carries a TB (Transport Block).
  • the first signal carries a CB (Code Block, code block).
  • the first signal carries a CBG (Code Block Group, code block group).
  • CBG Code Block Group, code block group
  • the first signal is transmitted on the PSSCH.
  • the first signal is transmitted on the PDSCH.
  • the scheduling information includes occupied time domain resources, occupied frequency domain resources, MCS (Modulation and Coding Scheme), DMRS configuration information, HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat) Transmission request) One or more of process number (process number), RV (Redundancy Version), or NDI (New Data Indicator).
  • MCS Modulation and Coding Scheme
  • DMRS configuration information DMRS configuration information
  • HARQ Hybrid Automatic Repeat reQuest, hybrid automatic repeat
  • Transmission request One or more of process number (process number), RV (Redundancy Version), or NDI (New Data Indicator).
  • the steps in block F62 in FIG. 6 exist, and the method used in the first node for wireless communication includes:
  • the M signals are sent; wherein, the M signalings respectively include scheduling information of the M signals.
  • the M reference signals are respectively used for demodulation of the M signals.
  • the M reference signals respectively include the DMRS of the M signals.
  • the M signals respectively include baseband signals.
  • the M signals respectively include wireless signals.
  • any one of the M signals is transmitted on a side link (SideLink).
  • one of the M signals is transmitted on the secondary link.
  • one of the M signals is transmitted on the downlink.
  • any one of the M signals carries one TB or CBG.
  • the M signals are respectively transmitted on the PSSCH.
  • one of the M signals is transmitted on the PSSCH.
  • one of the M signals is transmitted on the PDSCH.
  • the steps in block F63 in FIG. 6 exist, and the method used in the first node for wireless communication includes:
  • the second signaling includes scheduling information of the second signal, and the second signal carries the first information block.
  • the second signaling is dynamic signaling.
  • the second signaling is layer 1 (L1) signaling.
  • the second signaling includes one or more fields in an SCI.
  • the second signaling is transmitted on the side link (SideLink).
  • the second signaling indicates that the second signal carries CSI.
  • the second signaling indicates that the second signal carries the first information block.
  • the second signaling is transmitted on the PSCCH.
  • the second signaling indicates a second destination identifier, and the second destination identifier is used to identify the target receiver of the first information block; the target receiver of the first information block includes all The sender of the first signaling.
  • the second signal includes a baseband signal.
  • the second signal includes a wireless signal.
  • the second signal is transmitted on the side link (SideLink).
  • the second signal is unicast (Unicast) transmission.
  • the second signal is multicast (Groupcast) transmission.
  • the second signal of the sentence carrying the first information block includes: the second signal is that all or part of the information bits in the first information block sequentially go through a CRC (Cyclic Redundancy Check) Redundancy Check) Attachment, Channel Coding, Rate Matching, Modulation Mapper, Layer Mapper, Transform Precoder, Precoder Output after encoding (Precoding), Resource Element Mapper, Multi-Carrier Symbol Generation (Generation), Modulation and Upconversion (Modulation and Upconversion).
  • CRC Cyclic Redundancy Check
  • Redundancy Check Redundancy Check
  • Attachment Channel Coding, Rate Matching
  • Modulation Mapper Layer Mapper
  • Transform Precoder Precoder Output after encoding
  • Precoding Precoding
  • Resource Element Mapper Multi-Carrier Symbol Generation
  • Modulation and Upconversion Modulation and Upconversion
  • the second signal of the sentence carrying the first information block includes: the second signal is that all or part of the information bits in the first information block are attached sequentially through CRC, channel coding, and rate Matching, modulation mapper, layer mapper, precoding, resource particle mapper, multi-carrier symbol generation, output after modulation and up-conversion.
  • the second signal of the sentence carrying the first information block includes: all or part of the information bits in the first information block are used to generate the second signal.
  • the second signal is transmitted on the PSSCH.
  • Embodiment 7 illustrates a schematic diagram of the first signaling, the first destination identifier, and the first node group according to an embodiment of the present application; as shown in FIG. 7.
  • the first signaling indicates the first purpose identifier
  • the first purpose identifier is used to identify the first node group
  • the first node group includes the first node A positive integer number of nodes outside.
  • the first signaling explicitly indicates the first destination identifier.
  • the first signaling implicitly indicates the first destination identifier.
  • the first signaling includes a first domain, and the first domain included in the first signaling indicates the first destination identifier.
  • the first signaling includes a plurality of fields, the first field is one of the plurality of fields, and each field of the plurality of fields includes a positive integer Bits.
  • the first field includes a positive integer number of bits.
  • the first domain includes information in one or more domains in the SCI.
  • the first domain is a domain in the SCI.
  • the first domain includes information in one or more domains in the DCI.
  • the first destination identifier is an integer.
  • the first destination identifier is a non-negative integer.
  • the first destination identifier is an ID (IDentity, identity) of Layer-1 of the first node group.
  • the ID of Layer-2 of the first node group is used to determine the first destination identifier.
  • the first destination identifier includes a destination group ID (destination group identity).
  • the first destination identifier includes the destination group ID of Layer-1.
  • the first destination identifier includes destination ID (destination identity).
  • the first destination identifier includes the destination ID of Layer-1.
  • the first destination identifier includes RNTI (Radio Network Temporary Identifier, Radio Network Temporary Identifier).
  • RNTI Radio Network Temporary Identifier, Radio Network Temporary Identifier
  • the RNTI of the node included in the first node group is used to determine the first destination identifier.
  • the first destination identifier includes IMSI (International Mobile Subscriber Identification Number, International Mobile Subscriber Identification Number).
  • IMSI International Mobile Subscriber Identification Number, International Mobile Subscriber Identification Number
  • the IMSI of the nodes included in the first node group is used to determine the first destination identifier.
  • the first destination identifier includes S-TMSI (SAE Temporary Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity).
  • S-TMSI SAE Temporary Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity
  • the S-TMSI of the nodes included in the first node group is used to determine the first destination identifier.
  • the first node group includes only one node.
  • the first node group includes a plurality of nodes.
  • the first node group is a target recipient of the first signaling.
  • the first node group is a target receiver of the first reference signal.
  • the first node group is a target recipient of the data channel scheduled by the first signaling.
  • any node in the first node group performs channel decoding on the data channel scheduled by the first signaling.
  • the first node does not perform channel decoding on the data channel scheduled by the first signaling.
  • the first node is not a node in the first node group.
  • Embodiment 8 illustrates a schematic diagram of the relationship between M signaling and M reference signals according to an embodiment of the present application; as shown in FIG. 8.
  • the M signalings correspond to the M reference signals in a one-to-one correspondence.
  • the indexes of the M signaling and the M reference signals are #0, ..., #(M-1), respectively.
  • any one of the M signalings is dynamic signaling.
  • any one of the M signalings is layer 1 (L1) signaling.
  • any one of the M signalings is layer 1 (L1) control signaling.
  • any one of the M signaling includes one or more fields in one SCI.
  • one of the M signals includes one or more fields in an SCI.
  • one of the M signalings includes one or more domains in one DCI.
  • any one of the M signalings is transmitted on the side link (SideLink).
  • any one of the M signalings is transmitted through the PC5 interface.
  • one of the M signalings is transmitted on the side link (SideLink).
  • one of the M signalings is transmitted on the downlink.
  • one of the M signalings is unicast transmitted.
  • one of the M signalings is transmitted by multicast (Groupcast).
  • one of the M signalings is transmitted by broadcast (Boradcast).
  • any one of the M signalings does not include a reference signal.
  • the M reference signals include SL RS.
  • the M reference signals include CSI-RS.
  • the M reference signals include SL CSI-RS.
  • the M reference signals include DMRS.
  • the M reference signals include SL DMRS.
  • the M reference signals include PTRS.
  • the M reference signals are respectively transmitted on a side link (SideLink).
  • the M reference signals are respectively transmitted through the PC5 interface.
  • one of the M reference signals is transmitted on the side link (SideLink).
  • one reference signal among the M reference signals is transmitted on the downlink.
  • the time domain resources occupied by any two reference signals in the M reference signals are orthogonal to each other.
  • any one of the M reference signals and the first reference signal are orthogonal in the time domain.
  • the one-to-one correspondence between the M signalings and the M reference signals of the phrase includes: the M signalings respectively indicate configuration information of the M reference signals; the configuration information includes time One or more of frequency resource, code domain resource, RS sequence, mapping mode, cyclic shift amount, OCC, frequency domain spreading sequence or time domain spreading sequence.
  • the phrase that the M signalings correspond to the M reference signals one-to-one includes: the M reference signals are respectively used for demodulation of the M signalings.
  • the phrase that the M signalings correspond to the M reference signals one-to-one includes: the M reference signals are respectively the DMRS of the M signalings.
  • the phrase that the M signalings correspond to the M reference signals one-to-one includes: from the channels experienced by the M reference signals, it is possible to infer the experience experienced by the M signalings respectively. channel.
  • the phrase that the M signalings correspond to the M reference signals one-to-one includes: the M reference signals are respectively used for demodulation of the data channels scheduled by the M signalings .
  • the phrase in one-to-one correspondence between the M signalings and the M reference signals includes: the M reference signals are respectively DMRSs of data channels scheduled by the M signaling.
  • the phrase that the M signalings correspond to the M reference signals one-to-one includes: from the channels experienced by the M reference signals, it can be inferred that the M signalings scheduled The channel experienced by the data channel.
  • the data channels scheduled by the M signaling include PDSCH.
  • the data channel scheduled by the M signaling includes PUSCH.
  • the data channels scheduled by the M signaling include PSSCH.
  • any one of the M signalings indicates a communication node group, and one communication node group includes a positive integer number of nodes.
  • a group of communication nodes indicated by one signaling in the M signaling includes the first node.
  • the communication node group indicated by any given signaling in the M signaling is a target receiver of the data channel scheduled by the given signaling.
  • the group of communication nodes indicated by any given signaling in the M signaling is a target receiver of the reference signal corresponding to the given signaling.
  • the first signaling includes a first field, and the first field included in the first signaling indicates the first destination identifier; any of the M signalings One signaling includes the first domain, and the first domain included in any signaling of the M signaling indicates a corresponding communication node group.
  • the sender of any one of the M signalings is the sender of the first signaling.
  • the sender of any one of the M signalings and the sender of the first signaling QCL is the sender of any one of the M signalings and the sender of the first signaling QCL.
  • the sender of any reference signal in the M reference signals is the sender of the first signaling.
  • the sender of any reference signal in the M reference signals and the sender of the first signaling QCL are identical to the sender of the first signaling QCL.
  • Embodiment 9 illustrates a schematic diagram of the relationship between the second domain and the first index according to an embodiment of the present application; as shown in FIG. 9.
  • the first signaling includes the second field, and the second field included in the first signaling indicates the first index; any one of the M signaling Let the second field be included, and the second field included in any of the M1 signalings indicates the first index.
  • the indexes of the M signalings are #0,...,#(M-1) respectively; a box with a thick solid border indicates that one of the M1 signalings includes Of the second domain.
  • the second field includes a positive integer number of bits.
  • the second field included in the first signaling is related to the transmit power of the first reference signal.
  • the transmission power of the first reference signal is used to determine the second domain included in the first signaling.
  • the second domain included in the first signaling is related to a transmitting antenna port of the first reference signal.
  • the second domain included in the first signaling is related to a spatial domain filter of the first reference signal.
  • the second domain included in any one of the M signalings is related to the transmission power of the corresponding reference signal.
  • the transmit power of any reference signal in the M reference signals is used to determine the second domain included in the corresponding signaling.
  • the second domain included in any one of the M signalings is related to the transmitting antenna port of the corresponding reference signal.
  • the second domain included in any of the M signalings is related to a spatial domain filter of the corresponding reference signal.
  • the spatial domain filter includes a spatial domain transmission filter.
  • the spatial domain filter includes a spatial domain receive filter.
  • the first index is an integer.
  • the first index is a non-negative integer.
  • the first channel quality has nothing to do with measurement on any reference signal among the M reference signals and outside the M1 reference signals.
  • the first channel quality is related to measurement of at least one reference signal out of the M reference signals among the M reference signals.
  • only the second field included in the M1 signalings indicates the first index.
  • only the second field included in the M1 signalings indicates the first index, and the first channel quality is different from that of the M reference signals.
  • the measurement of any reference signal other than the M1 reference signals is irrelevant.
  • the received power of any two reference signals corresponding to different values of the second domain cannot be averaged to obtain an average received power.
  • the measurement for each of the M1 reference signals is used to determine the first channel quality.
  • the first channel quality is the RSRP of a first reference signal group
  • the first reference signal group is composed of the first reference signal and the M1 reference signals.
  • the first channel quality is obtained by averaging the linear values of the received power of each reference signal in the first reference signal group on all occupied REs, and the first reference signal group It is composed of the first reference signal and the M1 reference signals.
  • the first channel quality is equal to the average value obtained by averaging the linear values of the received power of each reference signal in the first reference signal group on all occupied REs, converted into a value of dBm, and
  • the first reference signal group is composed of the first reference signal and the M1 reference signals.
  • measurements on the first reference signal and the M1 reference signals are used for channel estimation together, and the result of the channel estimation is used for generating the first channel quality.
  • the measurement of the first reference signal and the M1 reference signals are used to calculate the first average signal-to-interference-to-noise ratio, and the first channel quality is determined by measuring the first average signal-to-interference The noise ratio is obtained by looking up the table.
  • one transmitting antenna port of any one of the M1 reference signals and one transmitting antenna port QCL of the first reference signal is provided.
  • any transmission antenna port of any reference signal other than the M1 reference signals among the M reference signals and any transmission antenna port of the first reference signal cannot be assumed to be QCL.
  • the two antenna ports QCL refers to: the large-scale properties of the channel experienced by the wireless signal transmitted on one of the two antenna ports can be inferred from the large-scale properties of the two antenna ports.
  • the large-scale properties include ⁇ delay spread, Doppler spread, Doppler shift, average gain ), one or more of average delay (average delay), and spatial reception parameters (Spatial Rx parameters) ⁇ .
  • any reference signal among the M1 reference signals and the first reference signal are transmitted by the same spatial domain transmission filter.
  • the first node uses the same spatial domain receive filter to receive any one of the M1 reference signals and the first reference signal.
  • any one of the M1 reference signals and the first reference signal are transmitted by the same antenna port.
  • any reference signal other than the M1 reference signals among the M reference signals and the first reference signal are transmitted by different antenna ports.
  • the channel experienced by one wireless signal sent on one antenna port can be inferred from the channel experienced by another wireless signal sent on the one antenna port.
  • the channel experienced by the wireless signal sent on one antenna port cannot be inferred from the channel experienced by the wireless signal sent on another antenna port.
  • Embodiment 10 illustrates a schematic diagram of the first information block indicating the first index according to an embodiment of the present application; as shown in FIG. 10.
  • the first information block includes a first information sub-block, and the first information sub-block indicates the first index.
  • the first information block explicitly indicates the first index.
  • the first information block implicitly indicates the first index.
  • the first information block indicates the first value.
  • the first information block indicates the first value from the K values.
  • the first information block indicates the index of the first value among the K values.
  • Embodiment 11 illustrates a schematic diagram of the relationship between the second domain and the corresponding reference signal according to an embodiment of the present application; as shown in FIG. 11.
  • the second domain included in any one of the M signalings is related to the transmission power of the corresponding reference signal.
  • the average transmit power of any reference signal on each occupied RE in the M1 reference signals is equal to the average transmit power of the first reference signal on each occupied RE.
  • the RE is a Resource Element (resource particle).
  • one RE occupies one multi-carrier symbol in the time domain and one sub-carrier in the frequency domain.
  • the multi-carrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol.
  • the multi-carrier symbol is an SC-FDMA (Single Carrier-Frequency Division Multiple Access, single-carrier frequency division multiple access) symbol.
  • SC-FDMA Single Carrier-Frequency Division Multiple Access, single-carrier frequency division multiple access
  • the multi-carrier symbol is a DFT-S-OFDM (Discrete Fourier Transform Spread OFDM, Discrete Fourier Transform Orthogonal Frequency Division Multiplexing) symbol.
  • DFT-S-OFDM Discrete Fourier Transform Spread OFDM, Discrete Fourier Transform Orthogonal Frequency Division Multiplexing
  • the average transmit power of the first reference signal on each occupied RE refers to a linear average of the transmit power of the first reference signal on each occupied RE.
  • the average transmit power of the first reference signal on each occupied RE refers to: the linear average of the transmit power of the first reference signal on each occupied RE is converted into dBm Value.
  • the average transmit power of any reference signal among the M1 reference signals on each occupied RE refers to: any reference signal among the M1 reference signals is on each occupied RE The linear average of the transmit power.
  • the average transmit power of any reference signal among the M1 reference signals on each occupied RE refers to: any reference signal among the M1 reference signals is on each occupied RE
  • the linear average value of the transmit power is converted to a value of dBm.
  • the average transmit power of any reference signal among the M reference signals and the M1 reference signals on each occupied RE is not equal to the first reference signal on each occupied RE Said average transmit power.
  • Embodiment 12 illustrates a schematic diagram of the first signaling, M signaling and the second identity according to an embodiment of the present application; as shown in FIG. 12.
  • the first signaling indicates a second identity
  • the second identity is used to identify the sender of the first signaling; any one of the M signalings Indicate the second identity.
  • the indexes of the M signalings are #0,..., #(M-1), respectively.
  • the first signaling explicitly indicates the second identity.
  • the first signaling implicitly indicates the second identity.
  • any one of the M signalings explicitly indicates the second identity.
  • any one of the M signalings implicitly indicates the second identity.
  • the first signaling includes a third domain
  • any signaling of the M signaling includes the third domain
  • the third field included in any of the M signalings indicates the second identity.
  • the second identity is a non-negative integer.
  • the second identity is a positive integer.
  • the second identity identifier is the Layer-1 ID of the sender of the first signaling.
  • the Layer-2 ID of the sender of the first signaling is used to determine the second identity.
  • the second identity includes a source ID.
  • the second identity includes a source ID of Layer-1.
  • the second identity includes RNTI.
  • the RNTI of the sender of the first signaling is used to determine the second identity.
  • the second identity includes IMSI.
  • the IMSI of the sender of the first signaling is used to determine the second identity.
  • the second identity includes S-TMSI.
  • the S-TMSI of the sender of the first signaling is used to determine the second identity.
  • any one of the M signalings in the sentence indicates that the second identity includes: the second identity is used to identify any one of the M signalings The sender of the order.
  • the sender of any one of the M signalings is the sender of the first signaling.
  • the sender of any one of the M signalings and the sender of the first signaling QCL is the sender of any one of the M signalings and the sender of the first signaling QCL.
  • Embodiment 13 illustrates a schematic diagram of the second information block according to an embodiment of the present application; as shown in FIG. 13.
  • the second information block is used to determine a first time window and a first value; the first index is equal to the first value; the first reference signal and the M1 reference signals All are within the first time window.
  • the second information block is carried by higher layer signaling.
  • the second information block is carried by RRC signaling.
  • the second information block is carried by PC5RRC signaling.
  • the second information block is unicast (Unicast) transmission.
  • the second information block is multicast (Groupcast) transmission.
  • the second information block is broadcast (Broadcast) transmission.
  • the second information block includes information in all or part of a field in an IE (Information Element).
  • the second information block is transmitted from the base station to the first node.
  • the second information block is transmitted from the serving cell of the first node to the first node.
  • the second information block is transmitted from the sender of the first signaling to the first node.
  • the second information block is transmitted on the side link (SideLink).
  • the second information block is transmitted through the PC5 interface.
  • the second information block is transmitted on the downlink.
  • the second information block is transmitted through the Uu interface.
  • the second information block indicates the first time window.
  • the second information block explicitly indicates the first time window.
  • the second information block implicitly indicates the first time window.
  • the second information block implicitly indicates the start time of the first time window.
  • the second information block indicates the first value.
  • the second information block explicitly indicates the first value.
  • the second information block implicitly indicates the first value.
  • the second information block indicates that the first time window corresponds to the first value.
  • the measurement for any reference signal in the first reference signal set can be used to calculate the same average received power;
  • the first reference signal set is composed of all reference signals that meet the first condition;
  • the The first condition includes: within the first time window, the corresponding sender is identified by the second identity, the corresponding signaling includes the second domain, and the corresponding signaling includes the first
  • the second field indicates the first index.
  • the average received power is one RSRP.
  • the average received power is the first channel quality.
  • the average received power may be obtained by averaging the linear values of the received power of all reference signals on each RE in any non-empty subset of the first reference signal set.
  • the average received power may be obtained by averaging the linear values of the received power of all reference signals in the first reference signal set on each RE.
  • the first time window is a continuous time period.
  • the first time window includes a positive integer number of slots.
  • the first time window includes a positive integer number of sub-frames.
  • the length of the first time window is predefined.
  • the length of the first time window is pre-configured.
  • the length of the first time window is configured by higher layer signaling.
  • the time domain resource used to transmit the second information block is used to determine the first time window.
  • the time interval between the start time of the first time window and the end time of the time unit used to transmit the second information block is a second time interval.
  • the time domain resource used to transmit the third information block is used to determine the first time window, and the third information block indicates that the second information block is correctly received.
  • the time interval between the start time of the first time window and the end time of the time unit used to transmit the third information block is the second time interval, and the third information block indicates the first time interval. The two information blocks are received correctly.
  • the second time interval is pre-configured.
  • the second time interval is predefined.
  • the second time interval is configured by RRC signaling.
  • the second time interval is a non-negative integer.
  • the unit of the second time interval is a slot.
  • the unit of the second time interval is a sub-frame.
  • the time unit is a slot.
  • the time unit is a sub-frame.
  • the first value is an integer.
  • the first value is a non-negative integer.
  • the time domain resource occupied by the first reference signal and the time domain resource occupied by any one of the M1 reference signals belong to the first time window.
  • Embodiment 14 illustrates a schematic diagram of the second information block according to an embodiment of the present application; as shown in FIG. 14.
  • the second information block includes K second information sub-blocks, and the K second information sub-blocks are used to determine K time windows and K values, respectively, and the K time windows Corresponding to the K numerical values one-to-one, the K numerical values are not equal to each other, and K is a positive integer greater than 1; the second field included in any one of the M signaling indicates the One of the K numerical values; the first time window is a time window corresponding to the first numerical value among the K time windows.
  • the indexes of the K second information sub-blocks, the K time windows, and the K numerical values are #0,...,#(K-1), respectively.
  • the K second information sub-blocks are respectively carried by K higher layer signaling.
  • the K second information sub-blocks are respectively carried by K RRC signaling.
  • the K second information sub-blocks respectively explicitly indicate the K time windows.
  • the K second information sub-blocks respectively implicitly indicate the K time windows.
  • the K second information sub-blocks respectively explicitly indicate the K numerical values.
  • the K second information sub-blocks respectively implicitly indicate the K values.
  • the time domain resource used to transmit the second information sub-block corresponding to the given time window is used to determine the given time window. Set time window.
  • the time domain resource used to transmit the third information sub-block is used to determine the given time window, and the third information The sub-block indicates that the second information sub-block corresponding to the given time window is correctly received.
  • any one of the K time windows is a continuous time period.
  • any one of the K time windows includes a positive integer number of slots.
  • the length of any one of the K time windows is predefined.
  • the length of any one of the K time windows is pre-configured.
  • the length of any one of the K time windows is configured by RRC signaling.
  • the K numbers are K integers respectively.
  • Embodiment 15 illustrates a schematic diagram of the second information block according to an embodiment of the present application; as shown in FIG. 15.
  • the second information block indicates a first offset, and the first offset is used to determine the first channel quality.
  • the unit of the first offset is dB.
  • the first offset is the ratio of two positive real numbers.
  • the first channel quality indicator under the assumption that the transmit power of the first reference signal is increased by the first offset, the sender of the first signaling and the second The quality of the channel between a node.
  • the first channel quality indicator under the assumption that the transmit power of the first reference signal and the transmit power of the M1 reference signals are both increased by the first offset, the The quality of the channel between the sender of the first signaling and the first node.
  • the first channel quality is obtained based on the measurement for the first reference signal and under the assumption that the transmission power of the first reference signal is increased by the first offset.
  • the first channel quality is based on the measurement of the first reference signal and the measurement of the M1 reference signals, the transmission power of the first reference signal and the measurement of the M1 reference signals The transmission power is obtained under the assumption that the first offset is increased.
  • Embodiment 16 illustrates a schematic diagram of (M1+1) reference signals and the first time interval according to an embodiment of the present application; as shown in FIG. 16.
  • the time interval between the earliest reference signal and the latest reference signal in the (M1+1) reference signals is not greater than the first time interval.
  • the time interval between the earliest reference signal and the latest reference signal among the (M1+1) reference signals refers to: the earliest reference signal among the (M1+1) reference signals The time interval between the end time of the time domain resource occupied by one reference signal and the start time of the time domain resource occupied by the latest reference signal among the (M1+1) reference signals.
  • the time interval between the earliest reference signal and the latest reference signal among the (M1+1) reference signals refers to: the earliest reference signal among the (M1+1) reference signals The time interval between the end time of the time domain resource occupied by one reference signal and the end time of the time domain resource occupied by the latest reference signal among the (M1+1) reference signals.
  • the time interval between the earliest reference signal and the latest reference signal among the (M1+1) reference signals refers to: the earliest reference signal among the (M1+1) reference signals The time interval between the end time of the time unit occupied by one reference signal and the start time of the time unit occupied by the latest reference signal among the (M1+1) reference signals.
  • the time interval between the earliest reference signal and the latest reference signal among the (M1+1) reference signals refers to: the earliest reference signal among the (M1+1) reference signals The time interval between the start time of the time unit occupied by one reference signal and the start time of the time unit occupied by the latest one of the (M1+1) reference signals.
  • the first time interval is pre-configured.
  • the first time interval is predefined.
  • the first time interval is configured by higher layer signaling.
  • the first time interval is configured by RRC signaling.
  • the first time interval is a non-negative integer.
  • the unit of the first time interval is a slot.
  • the unit of the first time interval is a sub-frame.
  • the (M1+1) reference signals are all located within the second time window, and the time domain resources used to transmit the first information block are used to determine the second time window, so The length of the second time window is the first time interval.
  • the end time of the second time window is earlier than the start time of the time domain resource used to transmit the first information block.
  • the time interval between the end time of the second time window and the start time of the time unit used to transmit the first information block is a third time interval.
  • the third time interval is predefined.
  • the third time interval is configured by higher layer signaling.
  • the third time interval is a non-negative integer.
  • the unit of the third time interval is a slot.
  • the length of the second time window is pre-configured.
  • the length of the second time window is predefined.
  • the length of the second time window is configured by higher layer signaling.
  • the length of the second time window is configured by RRC signaling.
  • the second time window includes a positive integer number of consecutive time slots (slots).
  • the second time window includes a positive integer number of consecutive sub-frames.
  • the M reference signals are all located within the second time window.
  • the time interval between the earliest reference signal and the latest reference signal among (M+1) reference signals is not greater than the first time interval, and the (M+1) reference signals It is composed of the first reference signal and the M reference signals.
  • the measurement for any reference signal in the second reference signal set can be used to calculate the same average received power;
  • the second reference signal set is composed of all reference signals that meet the second condition;
  • the The second condition includes: the absolute value of the time interval with any other reference signal in the second reference signal set is not greater than the first time interval, and the corresponding sender is identified by the second identity identifier,
  • the corresponding signaling includes the second field and the second field included in the corresponding signaling indicates the first index.
  • the average received power is one RSRP.
  • the average received power is the first channel quality.
  • the second condition includes: being within the second time window.
  • the average received power may be obtained by averaging the linear values of the received power of all reference signals on each RE in any non-empty subset of the second reference signal set.
  • the average received power may be obtained by averaging the linear values of the received power of all reference signals in the second reference signal set on each RE.
  • Embodiment 17 illustrates a structural block diagram of a processing apparatus used in a first node device according to an embodiment of the present application; as shown in FIG. 17.
  • the processing device 1700 in the first node device includes a first receiver 1701 and a first transmitter 1702.
  • the first receiver 1701 receives the first signaling and the first reference signal; the first transmitter 1702 transmits the first information block.
  • the first signaling corresponds to the first reference signal; the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel Quality; the first signaling indicates a first purpose identifier, the first purpose identifier is used to identify a first node group, the first node group includes a positive integer number of nodes in addition to the first node.
  • the first receiver 1701 receives M signaling and M reference signals, where M is a positive integer greater than 1, where the M signaling corresponds to the M reference signals in a one-to-one correspondence;
  • the measurement of M1 reference signals among the M reference signals is used to determine the first channel quality, and M1 is a positive integer less than the M;
  • the first signaling includes a second field, and the first signal
  • the second field included in one signaling indicates the first index;
  • the M1 signaling in the M signaling corresponds to the M1 reference signal one-to-one; any signaling in the M signaling
  • the second field is included, and the second field included in any signaling of the M1 signaling indicates the first index.
  • the first information block indicates the first index.
  • the average transmit power of any reference signal among the M1 reference signals on each occupied RE is equal to the average transmit power of the first reference signal on each occupied RE.
  • the first signaling indicates a second identity
  • the second identity is used to identify the sender of the first signaling; any signaling in the M signaling indicates The second identity.
  • the first receiver 1701 receives a second information block; wherein, the second information block is used to determine a first time window and a first value; the first index is equal to the first value ; The first reference signal and the M1 reference signals are both located within the first time window.
  • the time interval between the earliest reference signal and the latest reference signal among (M1+1) reference signals is not greater than the first time interval; the (M1+1) reference signals are determined by The first reference signal and the M1 reference signals are composed.
  • the first node device is user equipment.
  • the first node device is a relay node device.
  • the first receiver 1701 includes ⁇ antenna 452, receiver 454, receiving processor 456, multi-antenna receiving processor 458, controller/processor 459, memory 460, data source in the fourth embodiment At least one of 467 ⁇ .
  • the first transmitter 1702 includes ⁇ antenna 452, transmitter 454, transmission processor 468, multi-antenna transmission processor 457, controller/processor 459, memory 460, data source in the fourth embodiment At least one of 467 ⁇ .
  • Embodiment 18 illustrates a structural block diagram of a processing apparatus used in a second node device according to an embodiment of the present application; as shown in FIG. 18.
  • the processing device 1800 in the second node device includes a second transmitter 1801 and a second receiver 1802.
  • the second transmitter 1801 transmits the first signaling and the first reference signal; the second receiver receives the first information block.
  • the first signaling corresponds to the first reference signal; the first information block indicates the first channel quality, and the measurement on the first reference signal is used to determine the first channel Quality; the first signaling indicates a first purpose identifier, the first purpose identifier is used to identify a first node group, the first node group includes a positive integer number of nodes in addition to the first node.
  • the second transmitter 1801 sends M signaling and M reference signals, where M is a positive integer greater than 1; wherein, the M signaling corresponds to the M reference signals in a one-to-one correspondence;
  • the measurement of M1 reference signals among the M reference signals is used to determine the first channel quality, and M1 is a positive integer less than the M;
  • the first signaling includes a second field, and the first signal
  • the second field included in one signaling indicates the first index;
  • the M1 signaling in the M signaling corresponds to the M1 reference signal one-to-one; any signaling in the M signaling
  • the second field is included, and the second field included in any signaling of the M1 signaling indicates the first index.
  • the first information block indicates the first index.
  • the average transmit power of any reference signal among the M1 reference signals on each occupied RE is equal to the average transmit power of the first reference signal on each occupied RE.
  • the first signaling indicates a second identity
  • the second identity is used to identify the sender of the first signaling; any signaling in the M signaling indicates The second identity.
  • the second transmitter 1801 sends a second information block; wherein, the second information block is used to determine a first time window and a first value; the first index is equal to the first value ; The first reference signal and the M1 reference signals are both located within the first time window.
  • the time interval between the earliest reference signal and the latest reference signal among (M1+1) reference signals is not greater than the first time interval; the (M1+1) reference signals are determined by The first reference signal and the M1 reference signals are composed.
  • the second node device is user equipment.
  • the second node device is a relay node device.
  • the second node device is a base station device.
  • the second transmitter 1801 includes ⁇ antenna 420, transmitter 418, transmission processor 416, multi-antenna transmission processor 471, controller/processor 475, memory 476 ⁇ in Embodiment 4 At least one.
  • the second receiver 1802 includes ⁇ antenna 420, receiver 418, receiving processor 470, multi-antenna receiving processor 472, controller/processor 475, memory 476 ⁇ in Embodiment 4 At least one.
  • each module unit in the above-mentioned embodiment can be realized in the form of hardware or software function module, and this application is not limited to the combination of software and hardware in any specific form.
  • User equipment, terminals and UE in this application include, but are not limited to, drones, communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, network cards, in-vehicle communication equipment, low-cost mobile phones, low cost Cost of wireless communication equipment such as tablets.
  • drones communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, network cards, in-vehicle communication equipment, low-cost mobile phones, low cost Cost of wireless communication equipment such as tablets.
  • MTC
  • the base station or system equipment in this application includes, but is not limited to, macro cell base station, micro cell base station, home base station, relay base station, gNB (NR Node B), NR Node B, TRP (Transmitter Receiver Point) and other wireless communications equipment.

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Abstract

L'invention concerne un procédé et un appareil utilisés dans un nœud pour une communication sans fil. Un premier nœud reçoit une première signalisation et un premier signal de référence, et envoie un premier bloc d'informations. La première signalisation correspond au premier signal de référence ; le premier bloc d'informations indique une première qualité de canal, et la mesure sur le premier signal de référence est utilisée pour déterminer la première qualité de canal ; la première signalisation indique un premier identifiant de destination, le premier identifiant de destination est utilisé pour identifier un premier groupe de nœuds, et le premier groupe de nœuds comprend un nombre entier positif de nœuds autres que le premier nœud. Selon le procédé, le signal de référence qui peut être utilisé pour une mesure de perte de trajet est ajouté, ce qui permet d'améliorer la précision de mesure de perte de trajet.
PCT/CN2020/112808 2019-09-19 2020-09-01 Procédé et appareil utilisés dans un nœud pour une communication sans fil WO2021052166A1 (fr)

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CN115397035A (zh) * 2021-05-24 2022-11-25 上海朗帛通信技术有限公司 一种被用于无线通信的通信节点中的方法和装置
CN115459889A (zh) * 2021-06-08 2022-12-09 上海朗帛通信技术有限公司 一种被用于无线通信的节点中的方法和装置
WO2023274046A1 (fr) * 2021-06-30 2023-01-05 上海朗帛通信技术有限公司 Procédé et appareil utilisés dans un nœud pour des communications sans fil
WO2024051623A1 (fr) * 2022-09-08 2024-03-14 上海朗帛通信技术有限公司 Procédé et appareil utilisés pour une communication sans fil
WO2024152942A1 (fr) * 2023-01-16 2024-07-25 上海朗帛通信技术有限公司 Procédé utilisé dans un nœud pour une communication sans fil et appareil

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