CN115022840A

CN115022840A - Method and apparatus in a node used for wireless communication

Info

Publication number: CN115022840A
Application number: CN202210773573.2A
Authority: CN
Inventors: 武露; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2022-09-06
Also published as: CN111988758B; CN115412201A; CN111988758A

Abstract

A method and apparatus in a node used for wireless communication is disclosed. The first node performs a first measurement or receives first information; receiving a first wireless signal; and transmitting the second wireless signal. Wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information or the first information is used to indicate the first channel information.

Description

Method and apparatus in a node used for wireless communication

The present application is a divisional application of the following original applications:

application date of the original application: year 2019, month 05 and 22

- -application number of the original application: 201910429521.1

The invention of the original application is named: method and apparatus in a node used for wireless communication

Technical Field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission scheme and apparatus for a companion link in wireless communication.

Background

In the future, the application scenes of the wireless communication system are more and more diversified, and different application scenes put different performance requirements on the system. In order to meet different performance requirements of various application scenarios, research on New Radio interface (NR) technology (or fine Generation, 5G) is decided over 72 sessions of 3GPP (3rd Generation Partner Project) RAN (Radio Access Network), and standardization Work on NR is started over WI (Work Item) where NR passes through 75 sessions of 3GPP RAN.

The 3GPP also started standards development and research work under the NR framework for the rapidly evolving Vehicle-to-evolution (V2X) service. The 3GPP has completed the work of making the requirements for the 5G V2X service and has written the standard TS 22.886. The 3GPP identified and defined a 4 large Use Case Group (Use Case Group) for the 5G V2X service, including: automatic queuing Driving (Vehicles platform), Extended sensing (Extended Sensors), semi/full automatic Driving (Advanced Driving) and Remote Driving (Remote Driving). The 3GPP RAN #80 passed the technical research work Item (SI, Study Item) of NRV2X on a full meeting.

Disclosure of Invention

Compared with the existing LTE V2X system, the NR V2X has a significant feature in that multicast and unicast can be supported and CSI (Channel Status Information) feedback can be supported. The design of CSI feedback requires solutions.

In view of the above, the present application discloses a solution. It should be noted that, without conflict, the embodiments and features in the embodiments in the user equipment of the present application may be applied to the base station, and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

The application discloses a method in a first node used for wireless communication, characterized by comprising:

performing a first measurement;

receiving a first wireless signal;

transmitting a second wireless signal;

wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information.

As an embodiment, the problem to be solved by the present application is: the probability of service conflict of the Internet of vehicles can be reduced through effective Congestion Control (Congestion Control), and the transmission reliability is improved; in the NR V2X system, how to consider the effect of the congestion control mechanism in the CSI feedback design is a key issue to be studied.

As an embodiment, the essence of the above method is that the first radio signal includes CSI-RS, the second radio signal is CSI measured based on the first radio signal, the first channel information reflects a degree of channel congestion, and the first measurement is a measurement of channel congestion. The method has the advantages that the channel congestion degree is considered in the CSI calculation process, so that the CSI which is most suitable for the channel congestion condition can be fed back, and the transmission reliability of the CSI receiving node is better ensured.

receiving first information;

receiving a first wireless signal;

transmitting a second wireless signal;

wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first information is used to indicate the first channel information.

As an embodiment, the essence of the above method is that the first radio signal includes CSI-RS, the second radio signal is CSI measured based on the first radio signal, and the first channel information reflects a degree of channel congestion. The method has the advantages that the channel congestion degree is considered in the CSI calculation process, so that the CSI which is most suitable for the channel congestion condition can be fed back, and the transmission reliability of the CSI receiving node is better ensured

According to an aspect of the application, the method is characterized in that the first index is used to indicate a first modulation and coding scheme, the first channel information is used to determine a first modulation and coding scheme subset, and the measurement for the first radio signal and the first modulation and coding scheme subset are jointly used to determine the first modulation and coding scheme.

As an embodiment, the essence of the above method is that the RAN1#96bis conference agrees that CSI feedback of NRV2X includes RI (Rank indicator) and CQI (Channel quality indicator); the first index is CQI, the first Modulation and Coding Scheme is Modulation Order (Modulation Order) and Code Rate (Code Rate) corresponding to CQI, the first Channel information is CBR (Channel Busy Ratio), and the first Modulation and Coding Scheme subset is MCS (Modulation and Coding Scheme) range that can be used for PSSCH transmission corresponding to CBR. The method has the advantages that the MCS range corresponding to the CBR is considered when the CQI is selected, so that a modulation order and a code rate which are most suitable for the CBR can be fed back, and the transmission reliability of the CSI receiving node is better ensured.

According to an aspect of the present application, the method is characterized in that the first modulation and coding scheme subset includes N modulation and coding schemes, N spectral efficiencies are spectral efficiencies of the N modulation and coding schemes, respectively, and N is a positive integer; the spectral efficiency of the first modulation coding mode is not more than the maximum value of the N spectral efficiencies.

According to one aspect of the application, the above method is characterized in that the first measurement comprises performing X first measurements in X time-frequency units, respectively, X being a positive integer; the X first type measurements are used to obtain X first type measurements, respectively, which are used to determine the first channel information.

According to one aspect of the application, the above method is characterized in that a first priority is used for determining the first index, first signaling is used for determining time-frequency resources occupied by the first radio signal, and the first signaling is used for determining the first priority; or, the second wireless signal carries P indexes, P priorities are respectively used for determining the P indexes, the first index is any one of the P indexes, and P is a positive integer greater than 1.

As an example, the essence of the above method is that the traffic of V2X is divided into a plurality of priority classes (e.g. PPPP,5QI), each priority class having its own CBR range and MCS range, the first priority class being one of the priority classes; the CSI feedback only comprises CQI corresponding to a first priority, SCI signaling triggering CSI-RS indicates the first priority, and the CQI is selected according to the MCS range corresponding to the first priority; or, the CSI feedback includes P CQIs, and the P CQIs respectively correspond to P priorities.

According to one aspect of the application, the method described above is characterized by comprising:

receiving second information;

wherein the second information is used to determine time-frequency resources occupied by the first wireless signal.

sending a first signaling;

wherein the first signaling is used to determine time-frequency resources occupied by the second radio signal.

The application discloses a method in a second node used for wireless communication, characterized by comprising:

transmitting a first wireless signal;

receiving a second wireless signal;

wherein the second wireless signal carries a first index, the first index being a non-negative integer; measurements and first channel information for the first wireless signal are used together to determine the first index.

According to an aspect of the application, the above method is characterized in that the transmitting node of the second radio signal performs a first measurement, which is used for determining the first channel information.

sending first information;

wherein the first information is used to indicate the first channel information.

sending the second information;

receiving a first signaling;

wherein the first signaling is used to determine time-frequency resources occupied by the second wireless signal.

The application discloses a first node device used for wireless communication, characterized by comprising:

a first receiver performing a first measurement or receiving first information; receiving a first wireless signal;

a first transmitter that transmits a second wireless signal;

wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information or the first information is used to indicate the first channel information.

The present application discloses a second node device used for wireless communication, comprising:

a second transmitter that transmits the first wireless signal;

a second receiver that receives a second wireless signal;

wherein the second wireless signal carries a first index, the first index being a non-negative integer; measurements for the first wireless signal and first channel information are used together to determine the first index.

As an example, the method in the present application has the following advantages:

the probability of vehicle networking service conflict can be reduced and the transmission reliability can be improved through effective Congestion Control (Congestion Control); the present application proposes a CSI feedback method in an NRV2X system that takes into account the impact of the congestion control mechanism.

The method in the application considers the channel congestion degree in the CSI calculation process, and can feed back the CSI which is most suitable for the channel congestion condition, thereby better ensuring the transmission reliability of the CSI receiving node.

The method in the application considers the MCS range corresponding to the CBR when selecting the CQI, so that a modulation order and a code rate which are most suitable for the CBR can be fed back, and the transmission reliability of a receiving node of the CSI is better ensured.

The method in the present application may feed back CSI corresponding to a given service priority, or feed back CSI corresponding to a plurality of service priorities respectively.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof with reference to the accompanying drawings in which:

fig. 1 shows a flow chart of a first measurement, a first wireless signal and a second wireless signal according to an embodiment of the application;

FIG. 2 shows a flow diagram of first information, a first wireless signal, and a second wireless signal according to one embodiment of the application;

FIG. 3 shows a schematic diagram of a network architecture according to an embodiment of the present application;

figure 4 shows a schematic diagram of a radio protocol architecture of a user plane and a control plane according to an embodiment of the present application;

fig. 5 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the application;

FIG. 6 shows a wireless signal transmission flow diagram according to one embodiment of the present application;

FIG. 7 shows a wireless signal transmission flow diagram according to another embodiment of the present application;

fig. 8 shows a schematic diagram in which measurements for a first wireless signal and first channel information are used together to determine a first index according to one embodiment of the application;

fig. 9 shows a schematic diagram of first channel information being used for determining a first subset of modulation coding schemes according to an embodiment of the present application;

fig. 10 shows a schematic diagram of measurements for a first wireless signal and a first subset of modulation coding schemes being used together for determining a first modulation coding scheme according to an embodiment of the application;

FIG. 11 shows a schematic diagram of a first index according to an embodiment of the present application;

FIG. 12 shows a schematic diagram of a first index according to another embodiment of the present application;

FIG. 13 shows a schematic diagram of a first measurement according to an embodiment of the present application;

fig. 14 shows a schematic diagram of X first type measurements being used to determine first channel information according to an embodiment of the present application;

FIG. 15 illustrates a schematic diagram of a first priority being used to determine a first index according to one embodiment of the present application;

FIG. 16 shows a diagram where P priorities are used to determine P indices, respectively, according to an embodiment of the present application;

fig. 17 is a diagram illustrating the relationship of P priorities, P modulation and coding scheme sets, a first priority, and Q modulation and coding scheme subsets according to an embodiment of the present application;

FIG. 18 shows a block diagram of a processing arrangement in a first node device according to an embodiment of the present application;

fig. 19 shows a block diagram of a processing apparatus in a second node device according to an embodiment of the present application.

Detailed Description

The technical solutions of the present application will be further described in detail with reference to the accompanying drawings, and it should be noted that the embodiments and features of the embodiments of the present application can be arbitrarily combined with each other without conflict.

Example 1

Embodiment 1 illustrates a flow chart of a first measurement, a first wireless signal and a second wireless signal according to an embodiment of the application, as shown in fig. 1. In fig. 1, each block represents a step, and it is particularly emphasized that the sequence of the blocks in the figure does not represent a chronological relationship between the represented steps.

In embodiment 1, a first node in the present application performs a first measurement in step 101; receiving a first wireless signal in step 102; transmitting a second wireless signal in step 103; wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information.

As an embodiment, the first measurement is a measurement of CBR (Channel Busy Ratio).

As an embodiment, the first measurement is a measurement of CBQ (Channel Busy Quantity) at a time.

As an embodiment, the first measurement is used to determine a channel occupancy state of the measured channel.

As an embodiment, the first measurement is used to determine a channel occupancy state within the measured frequency range.

As an embodiment, the first measurement is used to determine the proportion of the occupied channels among all channels.

As one embodiment, the first node performs a first measurement, which is used to determine the first channel information.

As an embodiment, the first node performs a first measurement, and the first node determines the first channel information according to a measurement result of the first measurement.

As an embodiment, the first node performs a first measurement, and the first node obtains X first type measurement values through the first measurement, where the X first type measurement values are used to determine the first channel information.

As an embodiment, the first node receives first information, the first information being used to indicate the first channel information.

As an embodiment, the first Channel information is a CBR (Channel Busy Ratio) value.

As an embodiment, the first Channel information is a CBQ (Channel Busy Quantity) value.

As one embodiment, the first channel information indicates a channel occupancy state of the measured channel.

As an embodiment, the first channel information indicates a channel occupancy state in the measured frequency range.

As an embodiment, the first channel information is a non-negative real number.

As an embodiment, the first channel information is a non-negative real number not greater than 1.

As one embodiment, the first channel information indicates a proportion of occupied channels among all channels.

As an embodiment, the first channel information indicates a first Modulation and Coding Scheme subset, and the first Modulation and Coding Scheme subset includes a positive integer number of Modulation and Coding Schemes (MCS).

As one embodiment, the first wireless signal is Unicast (Unicast).

As one embodiment, the first wireless signal is multicast (Groupcast).

As one embodiment, the first wireless signal is Broadcast (Broadcast).

As one embodiment, the first wireless signal is transmitted through a data channel.

As an embodiment, the first wireless signal is transmitted over a companion link (Sidelink).

As an embodiment, the first wireless signal is transmitted through a Radio Interface (Radio Interface) between user equipments.

As an embodiment, the first wireless signal is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in this application.

As an embodiment, the first wireless signal is transmitted over a wireless interface accompanying a link (Sidelink).

As an embodiment, the first wireless signal is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As an embodiment, the first wireless signal is transmitted through a Uu interface.

As an embodiment, the first wireless signal is transmitted through a PC5 interface.

As an embodiment, the first wireless signal is transmitted through a SL-SCH (Sidelink Shared Channel).

As an embodiment, the first radio signal is transmitted through a psch (Physical Sidelink Shared Channel).

As an embodiment, the first radio signal is transmitted in a psch (Physical downlink Shared Channel).

As one embodiment, the first wireless Signal includes SLDMRS (SideLink DeModulation Reference Signal) accompanied by a link DeModulation Reference Signal).

As one embodiment, the first wireless Signal includes a SL CSI-RS (SideLink Channel State Information-Reference Signal, with a link Channel State Information Reference Signal).

As one embodiment, the first wireless signal includes at least one of a reference signal or a data signal.

As one embodiment, the first wireless signal includes a reference signal.

As one embodiment, the first wireless signal includes a reference signal and a data signal.

As one embodiment, the first wireless signal includes a data signal.

As an embodiment, the first wireless signal further carries a Transport Block (TB).

As one embodiment, the measurements for the first wireless signal are used by the first node for at least one of channel measurements or interference measurements.

As one embodiment, the measurements for the first wireless signal are used by the first node for measurements of CSI.

As a sub-embodiment of the above-mentioned embodiments, the CSI includes at least one of RI (Rank Indicator), PMI (Precoding Matrix Indicator), CQI (Channel quality Indicator), or CRI (CSI-reference signal Resource Indicator).

As one embodiment, the second wireless signal is Unicast (Unicast).

As an embodiment, the second wireless signal is multicast (Groupcast).

As one embodiment, the second wireless signal is Broadcast (Broadcast).

As an embodiment, the second wireless signal is transmitted through a data channel.

As an embodiment, the second wireless signal is transmitted over a companion link (Sidelink).

As an embodiment, the second wireless signal is transmitted through a Radio Interface (Radio Interface) between user equipments.

As an embodiment, the second wireless signal is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in this application.

As an embodiment, the second wireless signal is transmitted over a wireless interface accompanying a link (Sidelink).

As an embodiment, the second Radio signal is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As an embodiment, the second radio signal is transmitted over a Uu interface.

As an example, the second wireless signal is transmitted through a PC5 interface.

As an embodiment, the second radio signal is transmitted through a SL-SCH (Sidelink Shared Channel).

As an embodiment, the second wireless signal is transmitted through a psch (Physical Sidelink Shared Channel).

As an embodiment, the second radio signal is transmitted in a psch (Physical Sidelink Shared Channel).

As an embodiment, the first index is one of RI (Rank Indicator), PMI (Precoding Matrix Indicator), CQI (Channel quality Indicator), or CRI (Csi-reference signal Resource Indicator).

As an embodiment, the first index is a CQI.

As an embodiment, the second wireless signal carries CSI, and the CSI carried by the second wireless signal includes the first index.

As one embodiment, a first block of bits is used to generate the second wireless signal, the first block of bits comprising a first sub-block, the first sub-block indicating the first index; the first bit block comprises a positive integer number of bits, the first sub-block comprises a positive integer number of bits, and the number of bits comprised by the first sub-block is not greater than the number of bits comprised by the first bit block.

As a sub-embodiment of the above embodiment, the first bit block comprises only the first sub-block, and the first sub-block comprises a number of bits equal to a number of bits comprised by the first bit block.

As a sub-embodiment of the foregoing embodiment, the first bit block further includes bits other than the first sub-block, and the first sub-block includes a smaller number of bits than the first bit block.

As a sub-embodiment of the above embodiments, the first bit block indicates CSI, and the first sub-block indicates CQI.

As a sub-embodiment of the above embodiment, the first bit block indicates at least one of RI, PMI, CQI, or CRI.

As a sub-embodiment of the above embodiment, the first sub-block indicates one of RI, PMI, CQI or CRI.

As a sub-embodiment of the foregoing embodiment, the first bit block sequentially undergoes CRC addition (CRC Insertion), Channel Coding (Channel Coding), Rate Matching (Rate Matching), Scrambling (Scrambling), Modulation (Modulation), Layer Mapping (Layer Mapping), Precoding (Precoding), Mapping to Resource Element (Mapping to Resource Element), OFDM Baseband Signal Generation (OFDM base and Signal Generation), and Modulation up-conversion (Modulation and up-conversion) to obtain the second wireless Signal.

As a sub-embodiment of the foregoing embodiment, the first bit block sequentially undergoes CRC addition (CRC inspection), Channel Coding (Channel Coding), Rate Matching (Rate Matching), Scrambling (Scrambling), Modulation (Modulation), Layer Mapping (Layer Mapping), Precoding (Precoding), Mapping to a Virtual Resource block (Mapping to Virtual Resource Blocks), Mapping from a Virtual Resource block to a Physical Resource block (Mapping from Virtual Physical Resource Blocks), OFDM Baseband Signal Generation (OFDM Baseband Signal Generation), and Modulation up-conversion (Modulation and up-conversion) to obtain the second wireless Signal.

As a sub-embodiment of the foregoing embodiment, the first bit block sequentially undergoes CRC addition (CRC Insertion), Segmentation (Segmentation), Coding block level CRC addition (CRC Insertion), Channel Coding (Channel Coding), Rate Matching (Rate Matching), Concatenation (Concatenation), Scrambling (Scrambling), Modulation (Modulation), Layer Mapping (Layer Mapping), Precoding (Precoding), Mapping to Resource Element (Mapping Resource Element), OFDM baseband signal generation (OFDM baseband signaling), and Modulation up-conversion (Modulation and up-conversion) to obtain the second wireless signal.

Example 2

Embodiment 2 illustrates a flow chart of first information, a first wireless signal and a second wireless signal according to an embodiment of the present application, as shown in fig. 2. In fig. 2, each block represents a step, and it should be particularly emphasized that the sequence of the blocks in the figure does not represent a chronological relationship between the represented steps.

In embodiment 2, a first node in the present application receives first information in step 1001; receiving a first wireless signal in step 1002; transmitting a second wireless signal in step 1003; wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first information is used to indicate the first channel information.

As an embodiment, the first information directly indicates the first channel information.

As one embodiment, the first information indirectly indicates the first channel information.

As an embodiment, the first information explicitly indicates the first channel information.

As an embodiment, the first information implicitly indicates the first channel information.

As an embodiment, the first information is a high layer (HigherLayer) information.

As an embodiment, the first information is a physical layer information.

As an embodiment, the first information is transmitted through a physical layer signaling.

As an embodiment, the first information is transmitted through a higher layer signaling.

In one embodiment, the first information includes all or part of a higher layer information.

As an embodiment, the first information includes all or part of one physical layer information.

As an embodiment, the first information is transmitted through a DL-SCH (Downlink Shared Channel).

As an embodiment, the first information is transmitted through a PDSCH (Physical Downlink Shared Channel).

As an embodiment, the first Information includes one or more fields (fields) in a SIB (System Information Block).

As an embodiment, the first Information includes one or more fields (fields) in RMSI (Remaining System Information).

As an embodiment, the first Information includes all or part of a Field (Field) in an IE (Information Element) in RRC (Radio Resource Control) layer Information.

As an embodiment, the first information is transmitted over a companion link (Sidelink).

As an embodiment, the first information is transmitted through a SL-SCH (Sidelink Shared Channel).

As an embodiment, the first information is transmitted through a psch (Physical Sidelink Shared Channel).

As an embodiment, the first information is Broadcast (Broadcast).

As an embodiment, the first information is multicast (Groupcast).

As one embodiment, the first information is Unicast (Unicast).

As one embodiment, the first information is Cell Specific.

As an embodiment, the first information is user equipment-specific (UE-specific).

As an embodiment, the first information is transmitted through a PDCCH (Physical Downlink Control Channel).

As an embodiment, the first information includes a Field (Field) of dci (downlink Control information) signaling.

As an embodiment, the first information is transmitted through a PSCCH (Physical Sidelink Control Channel).

As an embodiment, the first Information includes a Field (Field) of all or part of SCI (Sidelink Control Information, accompanied by link Control Information) signaling.

As an embodiment, the first information is transmitted through a Radio Interface (Radio Interface) between user equipments.

As an embodiment, the first information is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in the present application.

As an embodiment, the first information is transmitted over a wireless interface accompanying a link (Sidelink).

As an embodiment, the first information is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As an embodiment, the first information is transmitted through a Uu interface.

As an embodiment, the first information is transmitted through a PC5 interface.

As an embodiment, the first information is transmitted by a wireless signal.

As an embodiment, the first information is transmitted from a base station to the first node.

As an embodiment, the first information is transmitted from a node other than the first node and the second node to the first node.

As an embodiment, the first information is transmitted from the second node to the first node in the present application.

For one embodiment, the first information is passed from an upper layer of the first node to a physical layer of the first node.

As one embodiment, the first information is communicated internally within the first node.

Example 3

Embodiment 3 illustrates a schematic diagram of a network architecture according to the present application, as shown in fig. 3.

Fig. 3 illustrates a diagram of a network architecture 200 for 5G NR, LTE (Long-Term Evolution), and LTE-a (Long-Term Evolution-enhanced) systems. The 5G NR or LTE network architecture 200 may be referred to as EPS (Evolved Packet System) 200 or some other suitable terminology. The EPS 200 may include one or more UEs (User Equipment) 201, NG-RANs (next generation radio access networks) 202, EPCs (Evolved Packet cores)/5G-CNs (5G-Core networks) 210, HSS (Home Subscriber Server) 220, and internet services 230. The EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit-switched services or other cellular networks. The NG-RAN includes NR node b (gNB)203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gnbs 203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a TRP (transmitting receiving node), or some other suitable terminology. The gNB203 provides an access point for the UE201 to the EPC/5G-CN 210. Examples of the UE201 include a cellular phone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, non-terrestrial base station communications, satellite mobile communications, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, a drone, an aircraft, a narrowband internet of things device, a machine type communication device, a terrestrial vehicle, an automobile, a wearable device, or any other similar functioning device. Those skilled in the art may also refer to UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 connects to the EPC/5G-CN210 through the S1/NG interface. The EPC/5G-CN210 includes MME (Mobility Management Entity)/AMF (Authentication Management Domain)/UPF (User Plane Function) 211, other MMEs/AMF/UPF 214, S-GW (Service Gateway) 212, and P-GW (Packet data Network Gateway) 213. MME/AMF/UPF211 is a control node that handles signaling between UE201 and EPC/5G-CN 210. In general, the MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet protocol) packets are transmitted through S-GW212, and S-GW212 itself is connected to P-GW 213. The P-GW213 provides UE IP address allocation as well as other functions. The P-GW213 is connected to the internet service 230. The internet service 230 includes an operator-corresponding internet protocol service, and may specifically include the internet, an intranet, an IMS (IP Multimedia Subsystem), and a packet-switched streaming service.

As an embodiment, the UE201 corresponds to the first node in this application.

As an embodiment, the UE201 supports transmission in a companion link.

As an embodiment, the UE201 supports a PC5 interface.

As an embodiment, the UE201 supports the Uu interface.

As an embodiment, the UE201 supports car networking.

As an embodiment, the UE201 supports V2X service.

As an embodiment, the UE241 corresponds to the second node in this application.

As an embodiment, the UE241 supports transmission in a companion link.

As an embodiment, the UE241 supports a PC5 interface.

As an embodiment, the UE241 supports the Uu interface.

As an embodiment, the UE241 supports car networking.

As an embodiment, the UE241 supports V2X service.

As an embodiment, the gNB203 corresponds to the second node in this application.

As one example, the gNB203 supports internet of vehicles.

As an embodiment, the gNB203 supports V2X traffic.

As one embodiment, the gNB203 supports a PC5 interface.

Example 4

Embodiment 4 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to the present application, as shown in fig. 4. Fig. 4 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane 350 and the control plane 300, fig. 4 showing the radio protocol architecture for the first communication node device (UE, RSU in gbb or V2X) and the second communication node device (gbb, RSU in UE or V2X), or the control plane 300 between two UEs, in three layers: 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 herein as PHY 301. Layer 2(L2 layer) 305 is above PHY301 and is responsible for the link between the first and second communication node devices and the two UEs through PHY 301. The L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which 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 ciphering data packets and provides handoff support between second communication node devices to the first communication node device. The RLC sublayer 303 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of 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 (e.g., resource blocks) in one cell between 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 (layer L3) in the Control plane 300 is responsible for obtaining Radio resources (i.e. Radio bearers) and configuring the lower layers using RRC signaling between the second communication node device and the first communication node device. The radio protocol architecture of the user plane 350 comprises layer 1(L1 layer) and layer 2(L2 layer), the radio protocol architecture in the user plane 350 for the first and second communication node devices being substantially the same for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355 and the MAC sublayer 352 in the L2 layer 355 as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides header compression for upper layer packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 further includes an SDAP (Service Data Adaptation Protocol) sublayer 356, and the SDAP sublayer 356 is responsible for mapping between QoS streams and Data Radio Bearers (DRBs) to support diversity of services. Although not shown, the first communication node device may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., far end UE, server, etc.).

As an example, the wireless protocol architecture in fig. 4 is applicable to the first node in this application.

As an example, the wireless protocol architecture in fig. 4 is applicable to the second node in this application.

As an embodiment, the first information in this application is generated in the RRC sublayer 306.

As an embodiment, the first information in the present application is generated in the MAC sublayer 352.

As an embodiment, the first information in this application is generated in the PHY 351.

As an embodiment, the second information in this application is generated in the RRC sublayer 306.

As an embodiment, the second information in this application is generated in the MAC sublayer 352.

As an embodiment, the second information in this application is generated in the PHY 351.

As an embodiment, the first signaling in this application is generated in the PHY 351.

As an embodiment, the first wireless signal in this application is generated in the PHY 351.

As an embodiment, the second wireless signal in this application is generated in the PHY 351.

As an embodiment, the first measurement in this application is performed in the RRC sublayer 306.

As an embodiment, the first measurement in this application is performed in the MAC sublayer 352.

As an embodiment, the first measurement in this application is performed in the PHY 351.

Example 5

Embodiment 5 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in fig. 5. Fig. 5 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 communications device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multiple antenna receive processor 472, a multiple antenna transmit 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 transmit processor 468, a receive processor 456, a multiple antenna transmit processor 457, a multiple antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.

In the transmission from the first communication device 410 to the second communication device 450, at the first communication device 410, upper layer data packets from the core network are provided to the controller/processor 475. The controller/processor 475 implements the functionality of layer L2. In transmissions from the first communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the second communications device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate Forward Error Correction (FEC) at the second communication device 450, as well as mapping of signal constellation 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)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based precoding and non-codebook based precoding, and beamforming on the coded and modulated symbols to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with reference signals (e.g., pilots) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to generate the physical channels carrying the time-domain multicarrier symbol streams. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream that is then provided to a different antenna 420.

In a transmission from the first communications device 410 to the second communications device 450, at the second communications device 450, each receiver 454 receives a signal through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456. Receive processor 456 and multi-antenna receive processor 458 implement the various signal processing functions of the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. Receive processor 456 converts the baseband multicarrier symbol stream after the receive analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signals and the reference signals to be used for channel estimation are demultiplexed by the receive processor 456, and the data signals are subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the second communication device 450. The symbols on each spatial stream are demodulated and recovered at a receive processor 456 and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the first communications device 410 on the physical channel. The upper layer data and control signals are then provided to a controller/processor 459. The controller/processor 459 implements the functionality of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In transmissions from the first communications device 410 to the second communications device 450, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer packets from the core network. The upper layer packet is then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.

In a transmission from the second communications device 450 to the first communications device 410, a data source 467 is used at the second communications device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit function at the first communications apparatus 410 described in the transmission from the first communications apparatus 410 to the second communications apparatus 450, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, implementing L2 layer functions for the user plane and control plane. The controller/processor 459 is also responsible for retransmission of lost packets and signaling to said first communications device 410. A transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding by a multi-antenna transmit processor 457 including codebook-based precoding and non-codebook based precoding, and beamforming, and the transmit processor 468 then modulates the resulting spatial streams into multi-carrier/single-carrier symbol streams, which are provided to different antennas 452 via a transmitter 454 after analog precoding/beamforming in the multi-antenna transmit processor 457. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides the radio frequency symbol stream to the antenna 452.

In a transmission from the second communication device 450 to the first communication device 410, the functionality at the first communication device 410 is similar to the receiving functionality at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives rf signals through its respective antenna 420, converts the received rf signals to baseband signals, and provides the baseband signals to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multiple antenna receive processor 472 collectively implement the functionality of the L1 layer. Controller/processor 475 implements the L2 layer functions. The controller/processor 475 can be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In transmissions from the second communications device 450 to the first communications device 410, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer packets from the UE 450. Upper layer data packets from the controller/processor 475 may be provided to a core network.

As an embodiment, the first node in this application includes the second communication device 450, and the second node in this application includes the first communication device 410.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a user equipment.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a relay node.

As a sub-embodiment of the foregoing embodiment, the first node is a relay node, and the second node is a user equipment.

As a sub-embodiment of the foregoing embodiment, the first node is a user equipment, and the second node is a base station equipment.

As a sub-embodiment of the foregoing embodiment, the first node is a relay node, and the second node is a base station device.

As a sub-embodiment of the above-described embodiment, the second communication device 450 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As a sub-embodiment of the above-described embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for HARQ operations.

As a sub-embodiment of the above-described embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for error detection using positive Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocols to support HARQ operations.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The second communication device 450 apparatus at least: performing a first measurement; receiving a first wireless signal; transmitting a second wireless signal; wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information.

As a sub-embodiment of the above embodiment, the second communication device 450 corresponds to the first node in the present application.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The second communication device 450 apparatus at least: receiving first information; receiving a first wireless signal; transmitting a second wireless signal; wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement for the first wireless signal and first channel information are used together to determine the first index; the first information is used to indicate the first channel information.

As an embodiment, the second communication device 450 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: performing a first measurement; receiving a first wireless signal; transmitting a second wireless signal; wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information.

As an embodiment, the second communication device 450 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: receiving first information; receiving a first wireless signal; transmitting a second wireless signal; wherein the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first information is used to indicate the first channel information.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The first communication device 410 means at least: transmitting a first wireless signal; receiving a second wireless signal; wherein the second wireless signal carries a first index, the first index being a non-negative integer; measurements and first channel information for the first wireless signal are used together to determine the first index.

As a sub-embodiment of the above embodiment, the first communication device 410 corresponds to the second node in this application.

As an embodiment, the first communication device 410 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: transmitting a first wireless signal; receiving a second wireless signal; wherein the second wireless signal carries a first index, the first index being a non-negative integer; measurements for the first wireless signal and first channel information are used together to determine the first index.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 may be utilized to receive the first information herein.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475, the memory 476} is used to transmit the first information in this application.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 may be utilized to receive the second information herein.

As an example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475, the memory 476} is used to transmit the second information in this application.

As one example, at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, the data source 467 may be configured to receive the first wireless signal described herein.

As one example, at least one of { the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, the memory 476} is used to transmit the first wireless signal in this application.

As one example, at least one of the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data source 467 may be used to send the first signaling in this application.

As an example, at least one of { the antenna 420, the receiver 418, the multi-antenna reception processor 472, the reception processor 470, the controller/processor 475, the memory 476} is used to receive the first signaling in this application.

As one example, at least one of the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data source 467 may be utilized to transmit the second wireless signal as described herein.

As an example, at least one of { the antenna 420, the receiver 418, the multi-antenna reception processor 472, the reception processor 470, the controller/processor 475, the memory 476} is used for receiving the second wireless signal in the present application.

Example 6

Embodiment 6 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in fig. 6. In the context of figure 6 of the drawings,first nodeU02 andsecond nodeN01 are communicated over the air interface. In fig. 6, the step in the dotted line block F1 is optional.

ForSecond node N01Transmitting the second information in step S10; transmitting a first wireless signal in step S11; receiving a first signaling in step S12; the second wireless signal is received in step S13.

For theFirst node U02Receiving second information in step S20; receiving a first wireless signal in step S21; performing a first measurement in step S22; transmitting a first signaling in step S23; the second wireless signal is transmitted in step S24.

In embodiment 6, the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used in common by the first node U02 in determining the first index; the first measurement is used by the first node U02 to determine the first channel information.

As an embodiment, the second information is used to indicate time-frequency resources occupied by the first wireless signal.

As an embodiment, the second information directly indicates time-frequency resources occupied by the first wireless signal.

As an embodiment, the second information indirectly indicates a time-frequency resource occupied by the first wireless signal.

As an embodiment, the second information explicitly indicates a time-frequency resource occupied by the first wireless signal.

As an embodiment, the second information implicitly indicates time-frequency resources occupied by the first wireless signal.

As one embodiment, the second information indicates an index of the first wireless signal.

As an embodiment, the second information indicates an index of the first wireless signal, which is used by the first node U02 to determine the time-frequency resource occupied by the first wireless signal.

As an embodiment, the second information indicates an index of the first wireless signal, the index of the first wireless signal indicates configuration information of the first wireless signal, and the configuration information of the first wireless signal includes the time-frequency resources occupied by the first wireless signal.

As an embodiment, the time-frequency resource occupied by the second information is used by the first node U02 to determine the time-frequency resource occupied by the first wireless signal.

As an embodiment, the time-frequency resource occupied by the second information is associated with the time-frequency resource occupied by the first wireless signal, and the time-frequency resource occupied by the first wireless signal can be inferred according to the time-frequency resource occupied by the second information.

As an embodiment, the time-frequency resource occupied by the second information and the time-frequency resource occupied by the first wireless signal are associated.

As an embodiment, the time-frequency resource occupied by the first wireless signal may be inferred according to the time-frequency resource occupied by the second information.

As an embodiment, the time domain resource occupied by the first wireless signal may be inferred according to the time domain resource occupied by the second information.

As an embodiment, the time domain resource occupied by the second information and the time domain resource occupied by the first wireless signal both belong to the same Slot (Slot).

As an embodiment, the time domain resource occupied by the second information and the time domain resource occupied by the first wireless signal both belong to the same Subframe (Subframe).

As an embodiment, the time domain resource occupied by the second information and the time domain resource occupied by the first wireless signal both belong to the same short slot (Mini-slot).

As an embodiment, both the frequency domain resource occupied by the second information and the frequency domain resource occupied by the first wireless signal belong to the same BWP (bandwidth component).

As an embodiment, the frequency domain resource occupied by the second information and the frequency domain resource occupied by the first wireless signal both belong to the same sub-band (Subband).

As an embodiment, both the frequency domain resource occupied by the second information and the frequency domain resource occupied by the first wireless signal belong to the same Carrier (Carrier).

As an embodiment, the second information is a high Layer (Higher Layer) information.

As an embodiment, the second information is a physical layer information.

As an embodiment, the second information is transmitted through a physical layer signaling.

As an embodiment, the second information is transmitted through a higher layer signaling.

In one embodiment, the second information includes all or part of a higher layer information.

As an embodiment, the second information includes all or part of one physical layer information.

As an embodiment, the second information is transmitted through a DL-SCH (Downlink Shared Channel).

As an embodiment, the second information is transmitted through a PDSCH (Physical Downlink Shared Channel).

As an embodiment, the second Information includes one or more fields (fields) in a SIB (System Information Block).

As an embodiment, the second Information includes one or more fields (fields) in RMSI (Remaining System Information).

As an embodiment, the second Information includes all or part of a Field (Field) in an IE (Information Element) in RRC (Radio Resource Control) layer Information.

As an embodiment, the second information is transmitted through a companion link (Sidelink).

As an embodiment, the second information is transmitted through a SL-SCH (Sidelink Shared Channel).

As an embodiment, the second information is transmitted through a psch (Physical Sidelink Shared Channel).

As an embodiment, the second information is Broadcast (Broadcast).

As an embodiment, the second information is multicast (Groupcast).

As an embodiment, the second information is Unicast (Unicast).

As an embodiment, the second information is Cell Specific.

As an embodiment, the second information is user equipment-specific (UE-specific).

As an embodiment, the second information is transmitted through a PDCCH (Physical Downlink Control Channel).

As an embodiment, the second information includes a partial Field (Field) of dci (downlink Control information) signaling.

As an embodiment, the second information is transmitted through a PSCCH (Physical Sidelink Control Channel).

As an embodiment, the second Information includes a partial Field (Field) of SCI (Sidelink Control Information, accompanied by link Control Information) signaling.

As an embodiment, the first information and the second information both belong to the same DCI signaling.

As an embodiment, the first information and the second information belong to two DCI signaling respectively.

As an embodiment, the first information and the second information belong to the same SCI signaling.

As an embodiment, the first information and the second information belong to two SCI signaling respectively.

As an embodiment, the second information is transmitted through a Radio Interface (Radio Interface) between the user equipments.

As an embodiment, the second information is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in the present application.

As an embodiment, the second information is transmitted over a wireless interface accompanying a link (Sidelink).

As an embodiment, the second information is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As an embodiment, the second information is transmitted through a Uu interface.

As an embodiment, the second information is transmitted through a PC5 interface.

As an embodiment, the second information is transmitted by a wireless signal.

As an embodiment, the second information is transmitted from a base station to the first node.

As an embodiment, the second information is transmitted from the second node to the first node in the present application.

As an embodiment, the first signaling is a physical layer signaling.

As an embodiment, the first signaling is Broadcast (Broadcast).

As an embodiment, the first signaling is multicast (Groupcast).

As an embodiment, the first signaling is Unicast (Unicast).

As an embodiment, the first signaling is transmitted over a companion link (Sidelink).

As an embodiment, the first signaling is DCI signaling.

As an embodiment, the first signaling is SCI signaling.

As an embodiment, the first signaling is transmitted over the PSCCH.

As an embodiment, the first signaling is transmitted over a wireless interface between user equipments.

As an embodiment, the first signaling is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in this application.

As an embodiment, the first signaling is transmitted over a wireless interface accompanying a link (Sidelink).

As an embodiment, the first signaling is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As an embodiment, the first signaling is transmitted through a Uu interface.

As an embodiment, the first signaling is transmitted through a PC5 interface.

As an embodiment, the target recipient of the first signaling comprises the second node in the present application.

As an embodiment, the first signaling is used to indicate time-frequency resources occupied by the second wireless signal.

As an embodiment, the first signaling directly indicates a time-frequency resource occupied by the second wireless signal.

As an embodiment, the first signaling indirectly indicates a time-frequency resource occupied by the second wireless signal.

As an embodiment, the first signaling explicitly indicates a time-frequency resource occupied by the second radio signal.

As an embodiment, the first signaling implicitly indicates time-frequency resources occupied by the second radio signal.

As an embodiment, the first signaling indicates a first reporting setting, and the second wireless signal carries channel information corresponding to the first reporting setting.

As a sub-embodiment of the foregoing embodiment, the channel information corresponding to the first reporting setting includes CSI.

As a sub-embodiment of the foregoing embodiment, the channel information set corresponding to the first report includes the first index.

As an embodiment, the time-frequency resource occupied by the first signaling is used by the second node N01 to determine the time-frequency resource occupied by the second wireless signal.

As an embodiment, the time-frequency resource occupied by the first signaling and the time-frequency resource occupied by the second wireless signal are associated, and the time-frequency resource occupied by the second wireless signal can be deduced according to the time-frequency resource occupied by the first signaling.

As an embodiment, the time-frequency resource occupied by the first signaling and the time-frequency resource occupied by the second wireless signal are associated.

As an embodiment, the time-frequency resource occupied by the second radio signal may be deduced from the time-frequency resource occupied by the first signaling.

As an embodiment, the time domain resource occupied by the second wireless signal can be deduced according to the time domain resource occupied by the first signaling.

As an embodiment, the time domain resource occupied by the first signaling and the time domain resource occupied by the second wireless signal both belong to the same Slot (Slot).

As an embodiment, the time domain resource occupied by the first signaling and the time domain resource occupied by the second wireless signal both belong to the same Subframe (Subframe).

As an embodiment, the time domain resource occupied by the first signaling and the time domain resource occupied by the second wireless signal both belong to the same short slot (Mini-slot).

As an embodiment, both the frequency domain resource occupied by the first signaling and the frequency domain resource occupied by the second wireless signal belong to the same BWP (bandwidth component).

As an embodiment, the frequency domain resource occupied by the first signaling and the frequency domain resource occupied by the second wireless signal belong to the same sub-band (Subband).

As an embodiment, the frequency domain resource occupied by the first signaling and the frequency domain resource occupied by the second wireless signal belong to the same Carrier (Carrier).

Example 7

Embodiment 7 illustrates a wireless signal transmission flowchart according to another embodiment of the present application, as shown in fig. 7. In the context of figure 7 of the drawings,first nodeU04 andsecond nodeN03 are communicated over the air interface. In fig. 7, one and only one of the steps in the dotted line blocks F2 and F3 is present, and the step in the dotted line block 4 is optional.

For theSecond node N03Transmitting the first information in step S30; transmitting the second information in step S31; transmitting a first wireless signal in step S32; receiving a first signaling in step S33; the second wireless signal is received in step S34.

ForFirst node U04Receiving the first information in step S40; receiving second information in step S41; receiving a first wireless signal in step S42; in thatTransmitting a first signaling in step S43; the second wireless signal is transmitted in step S44.

In embodiment 7, the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used in common by the first node U04 in determining the first index; the first information is used to indicate the first channel information. The second information is used by the first node U04 to determine the time-frequency resources occupied by the first wireless signal. The first signalling is used by the second node N03 to determine the time-frequency resources occupied by the second radio signal.

For one embodiment, block F2 is not present and block F3 is present, the first information being transmitted from a base station to the first node.

For one embodiment, block F2 is not present and block F3 is present, the first information being transmitted from a node other than the first node and the second node to the first node.

As an example, block F2 exists and block F3 does not exist, and the first information is transmitted from the second node to the first node in the present application.

Example 8

Embodiment 8 illustrates a schematic diagram in which measurement for a first wireless signal and first channel information are jointly used for determining a first index according to an embodiment of the present application, as shown in fig. 8.

In embodiment 8, the first index is used to indicate a first modulation coding scheme, the first channel information is used to determine a first modulation coding scheme subset, and the measurement for the first wireless signal and the first modulation coding scheme subset are used together to determine the first modulation coding scheme.

As an embodiment, the first Modulation and coding scheme includes a Modulation Order (Modulation Order) and a Code Rate (Code Rate).

As an embodiment, the first index directly indicates the first modulation coding scheme.

As an embodiment, the first index indirectly indicates the first modulation coding scheme.

As an embodiment, the first index explicitly indicates the first modulation coding scheme.

As an embodiment, the first index implicitly indicates a first modulation coding scheme.

As an embodiment, the first index is a CQI.

As an embodiment, the first channel information is used to indicate a first modulation and coding scheme subset.

As an embodiment, the first channel information directly indicates the first modulation and coding scheme subset.

As an embodiment, the first channel information indirectly indicates the first modulation and coding scheme subset.

As an embodiment, the first channel information explicitly indicates the first modulation and coding scheme subset.

As an embodiment, the first channel information implicitly indicates a first modulation coding scheme subset.

As an embodiment, the first node estimates a channel and interference for the measurement of the first wireless signal, and generates the first modulation coding scheme best suited for the estimated channel and the estimated interference based on the estimated channel and the estimated interference and the first modulation coding scheme subset.

As an embodiment, the first node estimates a channel and interference for the measurement of the first radio signal, and generates the first modulation coding scheme best suited for the estimated channel and the estimated interference according to a generation criterion based on the estimated channel and the estimated interference and the first modulation coding scheme subset.

As a sub-embodiment of the above-mentioned embodiments, the generation criterion is at least one of a maximum transmission throughput, a maximum SINR (Signal-to-Interference-plus-Noise Ratio), or a minimum BLER (BLock Error Rate).

As a sub-embodiment of the above embodiment, the generation criterion is that a target BLER requirement is met.

As a sub-embodiment of the above embodiment, the generation criterion is a modulation coding scheme with maximum spectral efficiency that meets the target BLER requirement.

Example 9

Embodiment 9 illustrates a schematic diagram that first channel information is used for determining the first modulation and coding scheme subset according to an embodiment of the present application, as shown in fig. 9.

In embodiment 9, said first channel information is a non-negative real number not greater than 1; q modulation coding mode subsets correspond to Q value ranges one by one, and Q is a positive integer greater than 1; the first value range is a value range of the Q value ranges to which the first channel information belongs, and the first modulation and coding scheme subset is a modulation and coding scheme subset corresponding to the first value range in the Q modulation and coding scheme subsets.

As an example, any one value in the Q value range is a non-negative real number.

As an example, any one value in the Q value range is a non-negative real number not greater than 1.

As an example, any two of the Q value ranges do not overlap.

As an example, any two of the Q value ranges do not include a same value.

As an example, a given numerical range is any one of the Q numerical ranges, none of which falls outside of the given numerical range in the Q numerical range.

As an embodiment, the first channel information is not less than a minimum value in the first range of values, and the first channel information is not greater than a maximum value in the first range of values.

As an embodiment, any one of the Q modulation and coding scheme subsets includes a positive integer of modulation and coding schemes.

As an embodiment, the Q modulation coding scheme subsets and Q value ranges are predefined.

As an embodiment, the method further comprises:

receiving third information;

wherein the third information is used to indicate the Q modulation coding scheme subsets and the Q value ranges.

As a sub-embodiment of the above embodiment, the third information explicitly indicates the Q modulation coding scheme subsets and the Q value ranges.

As a sub-embodiment of the above-mentioned embodiments, the third information implicitly indicates the Q modulation coding scheme subsets and the Q value ranges.

As a sub-embodiment of the foregoing embodiment, the third information is used to indicate P priorities and P modulation and coding scheme sets; the P priorities correspond to the P modulation coding mode sets one by one respectively, the P priorities correspond to the P value range sets one by one respectively, and the P modulation coding mode sets correspond to the P value range sets one by one respectively; the first modulation coding mode set is one of the P modulation coding mode sets corresponding to the first priority, and the first value range set is one of the P value range sets corresponding to the first priority; the first modulation and coding scheme set comprises the Q modulation and coding scheme subsets, the first value range set comprises the Q value ranges, and P is a positive integer greater than 1.

As a sub-embodiment of the above embodiment, the third information is a high Layer (Higher Layer) information.

As a sub-embodiment of the above embodiment, the third information is a physical layer information.

As a sub-embodiment of the above embodiment, the third information is transmitted through a physical layer signaling.

As a sub-embodiment of the above embodiment, the third information is transmitted through a higher layer signaling.

As a sub-embodiment of the above-mentioned embodiment, the third information includes all or part of a higher layer information.

As a sub-embodiment of the foregoing embodiment, the third information includes all or part of a physical layer information.

As a sub-embodiment of the above embodiment, the third information is transmitted through a DL-SCH (Downlink Shared Channel).

As a sub-embodiment of the foregoing embodiment, the third information is transmitted through a PDSCH (Physical Downlink Shared Channel).

As a sub-embodiment of the above embodiment, the third Information includes one or more fields (fields) in a SIB (System Information Block).

As a sub-embodiment of the above-mentioned embodiment, the third Information includes one or more fields (fields) in RMSI (Remaining System Information).

As a sub-embodiment of the foregoing embodiment, the third Information includes all or part of a Field (Field) in an IE (Information Element) in Radio Resource Control (RRC) layer Information.

As a sub-embodiment of the above embodiment, the third information is transmitted through a companion link (Sidelink).

As a sub-embodiment of the above embodiment, the third information is transmitted via SL-SCH (Sidelink Shared Channel).

As a sub-embodiment of the above embodiment, the third information is transmitted through a psch (Physical downlink Shared Channel).

As a sub-embodiment of the above embodiment, the third information is Broadcast (Broadcast).

As a sub-embodiment of the above embodiment, the third information is multicast (Groupcast).

As a sub-embodiment of the above embodiment, the third information is Unicast (Unicast).

As a sub-embodiment of the above embodiment, the third information is cell specific (CellSpecific).

As a sub-embodiment of the above embodiment, the third information is user equipment-specific (UE-specific).

As a sub-embodiment of the foregoing embodiment, the third information is transmitted through a PDCCH (Physical Downlink Control Channel).

As a sub-embodiment of the above embodiment, the third information includes a Field (Field) of dci (downlink Control information) signaling.

As a sub-embodiment of the above embodiment, the third information is transmitted through a PSCCH (Physical downlink Control Channel).

As a sub-embodiment of the above embodiment, the third Information includes a Field (Field) of all or part of SCI (Sidelink Control Information) signaling.

As a sub-embodiment of the foregoing embodiment, the third information is transmitted through a Radio Interface (Radio Interface) between the user equipments.

As a sub-embodiment of the foregoing embodiment, the third information is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in the present application.

As a sub-embodiment of the above embodiment, the third information is transmitted over a wireless interface accompanying a link (Sidelink).

As a sub-embodiment of the foregoing embodiment, the third information is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As a sub-embodiment of the above embodiment, the third information is transmitted through a Uu interface.

As a sub-embodiment of the above embodiment, the third information is transmitted through the PC5 interface.

As a sub-embodiment of the above embodiment, the third information is transmitted by a wireless signal.

As a sub-embodiment of the above embodiment, the third information is transmitted from a base station to the first node.

As a sub-embodiment of the above embodiment, the third information is transmitted from the second node to the first node in the present application.

As a sub-embodiment of the above embodiment, the third information is passed from a higher layer of the first node to a physical layer of the first node.

As a sub-embodiment of the above embodiment, the third information is communicated internally within the first node.

Example 10

Embodiment 10 illustrates a schematic diagram in which measurement for a first wireless signal and a first modulation and coding scheme subset are jointly used for determining a first modulation and coding scheme according to an embodiment of the present application, as shown in fig. 10.

In embodiment 10, the first modulation and coding scheme subset includes N modulation and coding schemes, where N spectral efficiencies are spectral efficiencies of the N modulation and coding schemes, respectively, and N is a positive integer; the spectral efficiency of the first modulation coding mode is not more than the maximum value of the N spectral efficiencies.

As an embodiment, the given Modulation and coding scheme includes a Modulation Order (Modulation Order) and a Code Rate (Code Rate), and the spectral efficiency of the given Modulation and coding scheme is equal to a product of the Modulation Order of the given Modulation and coding scheme and the Code Rate of the given Modulation and coding scheme.

As an example, said N is equal to 1.

As one embodiment, the N is greater than 1.

Example 11

Embodiment 11 illustrates a schematic diagram of a first index according to an embodiment of the present application, as shown in fig. 11.

In embodiment 11, the first index is used to indicate the first modulation and coding scheme in the present application from a target modulation and coding scheme set, where the target modulation and coding scheme set is different from the first modulation and coding scheme subset; the target modulation coding mode set comprises a positive integer number of modulation coding modes, and the first modulation coding mode is one modulation coding mode in the target modulation coding mode set.

As an embodiment, the first index is an index of the first modulation and coding scheme in the target modulation and coding scheme set.

As an embodiment, the N spectral efficiencies in this application are used to determine the first modulation and coding scheme from the target modulation and coding scheme set.

As an embodiment, the M modulation and coding schemes are all modulation and coding schemes in the Target modulation and coding scheme set that meet a Target (Target) BLER requirement and correspond to spectral efficiencies that are not greater than a maximum value of the N spectral efficiencies in the present application, the first modulation and coding scheme is a modulation and coding scheme with a maximum spectral efficiency among the M modulation and coding schemes, and M is a positive integer.

As an embodiment, M modulation and coding schemes are all modulation and coding schemes in the target modulation and coding scheme set that meet a target BLER requirement and correspond to spectral efficiencies that are not greater than a maximum value of the N spectral efficiencies in the present application, where M is a positive integer; the M1 modulation coding modes are all modulation coding modes of which the corresponding spectral efficiencies are not less than the minimum value of the N spectral efficiencies, and M1 is a non-negative integer not greater than M; when M1 is equal to 0, the first modulation and coding scheme is the one with the smallest spectral efficiency among the N modulation and coding schemes; when M1 is greater than 0, the first modulation and coding scheme is the one modulation and coding scheme with the highest spectral efficiency among the M1 modulation and coding schemes.

Example 12

Embodiment 12 illustrates a schematic diagram of a first index according to another embodiment of the present application, as shown in fig. 12.

In embodiment 12, the first index is used to indicate the first modulation and coding scheme from the first modulation and coding scheme subset in this application, the first modulation and coding scheme subset includes N modulation and coding schemes, the first modulation and coding scheme is one of the N modulation and coding schemes, and N is a positive integer.

As an embodiment, the first index is an index of the first modulation and coding scheme in the first modulation and coding scheme subset.

As an embodiment, the first modulation coding scheme is one of the first modulation coding scheme subset that satisfies a maximum spectral efficiency required by a target BLER.

As an example, said N is equal to 1.

As one embodiment, the N is greater than 1.

Example 13

Embodiment 13 illustrates a schematic diagram of a first measurement according to an embodiment of the present application, as shown in fig. 13.

In embodiment 13, the first measuring comprises performing X first type measurements in X time-frequency units, respectively, X being a positive integer; the X first type measurements are used to obtain X first type measurements, respectively, which are used to determine the first channel information in the present application.

As an example, one first type of Measurement is one Measurement of power (Measurement).

As an example, one first type of Measurement is one Measurement of the average power over a given time-frequency resource (Measurement).

As an example, a first type of Measurement is a Measurement of energy (Measurement).

As an embodiment, a first type of measurement is a measurement of RSSI (Received Signal Strength Indicator).

As an embodiment, one first type of measurement is one S-RSSI (Received Signal Strength Indicator) measurement.

As an example, a first type of Measurement is a Measurement (Measurement) of power, including power of a signal within a measured channel, a signal of an adjacent channel leaking into the measured channel, interference within the measured channel, thermal noise, etc.

As an example, a first type of Measurement is a Measurement (Measurement) of energy, including the energy of signals within the measured channel, signals leaked into the measured channel by adjacent channels, interference within the measured channel, thermal noise, etc.

As an example, a first type of Measurement is a Measurement of power (Measurement) that includes CP (Cyclic Prefix) power.

As an example, a first type of Measurement is a Measurement of energy (Measurement) that includes the energy of a CP (Cyclic Prefix).

As an example, one first type of Measurement is a Measurement of power (Measurement), and the measured power does not include power of CP (Cyclic Prefix).

As an example, a first type of Measurement is a Measurement of energy (Measurement), which does not include the energy of a CP (Cyclic Prefix).

As an embodiment, the first measurement of a time comprises a filtering in the frequency domain.

As an embodiment, the first measurement comprises filtering by a higher layer Filter (Filter).

As an embodiment, the first measurement comprises a filtering of an alpha Filter (Filter) at a higher layer.

As an embodiment, any one of the X first type measurement values is an RSSI value.

As an embodiment, any one of the X first type measurement values is an S-RSSI value.

As an embodiment, any one of the X first type measurement values is a power value.

As an embodiment, any one of the X first type measurements is an energy value.

As an embodiment, the unit of any one of the X first type measurements is watt (W).

As an embodiment, the unit of any one of the X first type measurements is milliwatts (mW).

As an embodiment, any one of the X first type measurements has a unit of dBm.

As an embodiment, the unit of any one of the X first type measurements is joule.

As an embodiment, any one of the X first type measurement values is an average value of a sum of received powers in all included multicarrier symbols within a frequency range of a time-frequency resource where the corresponding measurement is performed.

As an embodiment, any one of the X first type measurement values is an average value of a sum of received energies in all multicarrier symbols included within a frequency range of a time-frequency resource where the corresponding measurement is performed.

As an embodiment, any one of the X first type measurements is an average of a sum of received powers in included parts of multicarrier symbols within a frequency range of a time-frequency resource where the corresponding measurement is performed.

As an embodiment, any one of the X first type measurements is an average of a sum of received energies in a part of the multicarrier symbols comprised within a frequency range of the time-frequency resource over which the corresponding measurement is performed.

As an embodiment, the multicarrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, the multicarrier symbol is an SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol.

As an embodiment, the multicarrier symbol is a DFT-S-OFDM (Discrete Fourier Transform spread OFDM) symbol.

As an embodiment, the Multi-Carrier symbol is an FBMC (Filter Bank Multi Carrier) symbol.

As an embodiment, the multicarrier symbol comprises a CP (Cyclic Prefix).

As an embodiment, the X time-frequency units are time-frequency resources other than the time-frequency resources used for transmission by the first node.

As an embodiment, the X time-frequency units are all time-frequency units that can be used to obtain the first channel information.

As an embodiment, any one of the X first type measurements comprises a frequency domain filtering in the frequency domain of the time-frequency unit performing the one first type measurement.

As an embodiment, any one of the X first type measurement values is an average value of a sum of received powers in all multicarrier symbols included in a frequency range of a time-frequency unit in which the corresponding first type measurement is performed.

As an embodiment, any one of the X first type measurement values is an average value of a sum of received energies in all multicarrier symbols included in a frequency range of a time-frequency unit in which the corresponding first type measurement is performed.

As an embodiment, any one of the X first type measurement values is an average value of a sum of received powers in a part of multicarrier symbols included in a frequency range of a time-frequency unit in which the corresponding first type measurement is performed.

As an embodiment, any one of the X first type measurement values is an average value of a sum of received energies in a part of multicarrier symbols included in a frequency range of a time-frequency unit in which the corresponding first type measurement is performed.

As an embodiment, all time frequency resources in the X time frequency units are used for at least one first type measurement of the X first type measurements.

As an embodiment, the time-frequency resource included in one of the X time-frequency units is not used for any one of the X first-type measurements.

As an embodiment, there is one included time-frequency resource in the X time-frequency units used for measurements other than the X first type measurements.

As an embodiment, the number of the time frequency resources included in any two time frequency units of the X time frequency units is equal, and X is greater than 1.

As an embodiment, the frequency domain resources included in any two time frequency units of the X time frequency units are the same, and X is greater than 1.

As an embodiment, the number of time frequency resources included in two time frequency units in the X time frequency units is different, and X is greater than 1.

As an embodiment, any one of the X time-frequency units occupies a Sub-channel (Sub-channel) in a frequency domain and occupies a Slot (Slot) in a time domain.

As an embodiment, any one of the X time frequency units occupies a positive integer of consecutive PRBs (Physical Resource blocks) in a frequency domain, and occupies a Slot (Slot) in a time domain.

As an embodiment, any one of the X time-frequency units occupies one Sub-channel (Sub-channel) in the frequency domain and one Sub-frame (Subframe) in the time domain.

As an embodiment, any one of the X time frequency units occupies a positive integer of consecutive PRBs (Physical Resource blocks) in a frequency domain, and occupies a Subframe (Subframe) in a time domain.

As an embodiment, any one of the X time frequency units occupies a Sub-channel (Sub-channel) in the frequency domain and a positive integer number of consecutive multicarrier symbols in the time domain.

As an embodiment, any one of the X time frequency units occupies a positive integer of consecutive PRBs (Physical Resource blocks) in a frequency domain, and occupies a positive integer of consecutive multicarrier symbols in a time domain.

As an embodiment, the characteristic measure value is one of the X first class measure values in the present application, one of the X first class measure values used for obtaining the characteristic measure value is performed in a characteristic time-frequency unit, the characteristic time-frequency unit is one of the X time-frequency units, the characteristic time-frequency unit comprises X2 multicarrier symbols in a time domain, the characteristic measure value is an average of received power in each of the X2 multicarrier symbols within frequency domain resources occupied by the characteristic time-frequency unit, and X2 is a positive integer.

As a sub-embodiment of the above-mentioned embodiment, the characteristic measurement value is any one of the X first-type measurement values.

As a sub-embodiment of the foregoing embodiment, each of the X time-frequency units includes a positive integer number of multicarrier symbols in the time domain.

As a sub-embodiment of the above-mentioned embodiment, each time-frequency unit of the X time-frequency units comprises X2 multicarrier symbols in time domain that can be used for one first-type measurement of the X first-type measurements.

As a sub-implementation of the above embodiment, the characteristic time-frequency unit includes only the X2 multicarrier symbols in the time domain.

As a sub-embodiment of the foregoing embodiment, the characteristic time-frequency unit further includes, in the time domain, multicarrier symbols other than the X2 multicarrier symbols.

As a sub-embodiment of the above embodiment, the time domain positions of the X2 multicarrier symbols in the characteristic time-frequency unit are predefined.

As a sub-embodiment of the above embodiment, the time-domain positions of the X2 multicarrier symbols in the characteristic time-frequency unit are fixed.

As a sub-embodiment of the above embodiment, the time-domain positions of the X2 multicarrier symbols in the characteristic time-frequency cell are configurable.

As a sub-embodiment of the foregoing embodiment, any one of the X first-class measurements is performed in the frequency domain resources occupied by the time-frequency units in the X time-frequency units performing the first-class measurement.

As a sub-implementation of the foregoing embodiment, the feature measurement value being an average value of received power in each of the X2 multicarrier symbols within the frequency-domain resource of the feature time-frequency unit is: in the frequency domain resources occupied by the characteristic time frequency unit, X2 power values are respectively obtained for one first measurement in the X times of first measurements of the X2 multicarrier symbols, and the characteristic measurement value is equal to the positive real number obtained after the sum of the X2 power values is divided by the X2.

Example 14

Embodiment 14 illustrates a schematic diagram in which X first-class measurement values are used to determine first channel information according to an embodiment of the present application, as shown in fig. 14.

In embodiment 14, X1 of the X first type measurements are each greater than a target threshold, the first channel information is equal to a ratio of the X1 and the X, and the X1 is a non-negative integer no greater than the X.

As an embodiment, the target threshold is predefined (Pre-defined).

As one embodiment, the target threshold is Pre-configured (Pre-configured).

As an embodiment, the target threshold is configurable (Configured).

As an embodiment, none of the X-X1 measurements of the X first type of measurements that are outside the X1 first type of measurements are greater than the target threshold.

As an embodiment, the method further comprises:

receiving fourth information;

wherein the fourth information is used to indicate the target threshold.

As a sub-embodiment of the above embodiment, the fourth information directly indicates the target threshold.

As a sub-embodiment of the above embodiment, the fourth information indirectly indicates the target threshold.

As a sub-embodiment of the above embodiment, the fourth information explicitly indicates the target threshold.

As a sub-embodiment of the above embodiment, the fourth information implicitly indicates the target threshold.

As a sub-embodiment of the above embodiment, the fourth information is a high layer (HigherLayer) information.

As a sub-embodiment of the above embodiment, the fourth information is a physical layer information.

As a sub-embodiment of the above embodiment, the fourth information is transmitted through a physical layer signaling.

As a sub-embodiment of the above embodiment, the fourth information is transmitted through a higher layer signaling.

As a sub-embodiment of the above-mentioned embodiment, the fourth information includes all or part of a higher layer information.

As a sub-embodiment of the above-mentioned embodiment, the fourth information includes all or part of physical layer information.

As a sub-embodiment of the foregoing embodiment, the fourth information is transmitted through a DL-SCH (Downlink Shared Channel).

As a sub-embodiment of the foregoing embodiment, the fourth information is transmitted through a PDSCH (Physical Downlink Shared Channel).

As a sub-embodiment of the above embodiment, the fourth Information includes one or more fields (fields) in a SIB (System Information Block).

As a sub-embodiment of the above-mentioned embodiment, the fourth Information includes one or more fields (fields) in RMSI (Remaining System Information).

As a sub-embodiment of the foregoing embodiment, the fourth Information includes all or part of a Field (Field) in an IE (Information Element) in Radio Resource Control (RRC) layer Information.

As a sub-embodiment of the above embodiment, the fourth information is transmitted through a companion link (Sidelink).

As a sub-embodiment of the above embodiment, the fourth information is transmitted via SL-SCH (Sidelink Shared Channel).

As a sub-embodiment of the above embodiment, the fourth information is transmitted through a psch (Physical Sidelink Shared Channel).

As a sub-embodiment of the above embodiment, the fourth information is Broadcast (Broadcast).

As a sub-embodiment of the above embodiment, the fourth information is multicast (Groupcast).

As a sub-embodiment of the above embodiment, the fourth information is Unicast (Unicast).

As a sub-embodiment of the above embodiment, the fourth information is cell specific (CellSpecific).

As a sub-embodiment of the above embodiment, the fourth information is user equipment-specific (UE-specific).

As a sub-embodiment of the foregoing embodiment, the fourth information is transmitted through a PDCCH (Physical Downlink Control Channel).

As a sub-embodiment of the foregoing embodiment, the fourth information includes a Field (Field) of dci (downlink Control information) signaling.

As a sub-embodiment of the above embodiment, the fourth information is transmitted through a PSCCH (Physical downlink Control Channel).

As a sub-embodiment of the above embodiment, the fourth Information includes a Field (Field) of all or part of SCI (Sidelink Control Information) signaling.

As a sub-embodiment of the foregoing embodiment, the fourth information is transmitted through a Radio Interface (Radio Interface) between the user equipments.

As a sub-embodiment of the foregoing embodiment, the fourth information is transmitted through a Radio Interface (Radio Interface) used for communication between the first node and the second node in the present application.

As a sub-embodiment of the above embodiment, the fourth information is transmitted over a wireless interface accompanying a link (Sidelink).

As a sub-embodiment of the foregoing embodiment, the fourth information is transmitted through a Radio Interface (Radio Interface) between the user equipment and the base station equipment.

As a sub-embodiment of the above embodiment, the fourth information is transmitted through a Uu interface.

As a sub-embodiment of the above embodiment, the fourth information is transmitted through the PC5 interface.

As a sub-embodiment of the above embodiment, the fourth information is transmitted by a wireless signal.

As a sub-embodiment of the above embodiment, the fourth information is transmitted from a base station to the first node.

As a sub-embodiment of the above embodiment, the fourth information is transmitted from the second node to the first node in the present application.

As a sub-embodiment of the above embodiment, the fourth information is transferred from a higher layer of the first node to a physical layer of the first node.

As a sub-embodiment of the above embodiment, the fourth information is communicated within the first node.

Example 15

Embodiment 15 illustrates a schematic diagram in which the first priority is used to determine the first index according to an embodiment of the present application, as shown in fig. 15.

In embodiment 15, the second radio signal in this application carries the first index, the first priority is used to determine the first index, the second information is used to determine the time-frequency resource occupied by the first radio signal, and the second information is used to determine the first priority.

As an example, the first Priority is a PPPP (ProSe Per-Packet Priority) value.

As an example, the first priority is a PPPR (ProSe Per-Packet Reliability) value.

For one embodiment, the first priority is an index of a QoS class.

As an embodiment, the first priority is an index of 5QI (5G QoS Indicator, fifth generation quality of service indication).

As an embodiment, the first priority is an index of a PQI (PC5 QoS Indicator, PC5 quality of service indication).

As one embodiment, the first priority is an integer.

As one embodiment, the first priority is a non-negative integer.

As one embodiment, the first priority is a positive integer.

As an example, a larger first priority level indicates a higher priority.

As an embodiment, a smaller first priority level indicates a higher priority.

As an embodiment, the second information is used to indicate the first priority.

As an embodiment, the second information explicitly indicates the first priority.

As an embodiment, the second information implicitly indicates the first priority.

As one embodiment, the second information indicates an index of the first wireless signal, which is used to determine the first priority.

As one embodiment, the second information indicates an index of the first wireless signal, the index of the first wireless signal indicating configuration information of the first wireless signal, the configuration information of the first wireless signal including the first priority.

As an embodiment, the first priority is used for determining Q modulation coding scheme subsets and Q number ranges, the first index is used for indicating a first modulation coding scheme, the first channel information is used for determining a first modulation coding scheme subset from the Q modulation coding scheme subsets, and the measurement for the first wireless signal and the first modulation coding scheme subset are jointly used for determining the first modulation coding scheme.

As a sub-embodiment of the foregoing embodiment, the first priority corresponds to the Q modulation and coding scheme subsets and the Q number of value ranges.

As an embodiment, P priorities are respectively in one-to-one correspondence with P modulation and coding scheme sets, the P priorities are respectively in one-to-one correspondence with P value range sets, and the P modulation and coding scheme sets are respectively in one-to-one correspondence with the P value range sets; the first modulation coding mode set is one of the P modulation coding mode sets corresponding to the first priority, and the first value range set is one of the P value range sets corresponding to the first priority; the first modulation and coding scheme set comprises the Q modulation and coding scheme subsets, the first value range set comprises the Q value ranges, and P is a positive integer greater than 1.

Example 16

Embodiment 16 illustrates a schematic diagram in which P priorities are respectively used to determine P indexes according to an embodiment of the present application, as shown in fig. 16.

In embodiment 16, the second radio signal in this application carries the P indexes, the P priorities are respectively used to determine the P indexes, the first index in this application is any one of the P indexes, and P is a positive integer greater than 1.

As an embodiment, the second wireless signal carries P indices and P priorities.

As an embodiment, the second wireless signal carries CSI, and the CSI carried by the second wireless signal includes the P indexes and the P priorities.

As one embodiment, a first block of bits is used to generate the second wireless signal, the first block of bits comprising a first sub-block, the first sub-block indicating the P indices and the P priorities; the first bit block comprises a positive integer number of bits, the first sub-block comprises a positive integer number of bits, and the number of bits comprised by the first sub-block is not greater than the number of bits comprised by the first bit block.

As an embodiment, the first index is any one of the P indices, the first priority is one of the P priorities used to determine the first index, and P is a positive integer greater than 1.

As a sub-embodiment of the above embodiment, the Q modulation coding schemes and the Q value ranges both correspond to only the first priority of the P priorities.

As a sub-embodiment of the above embodiment, the first priority is used to determine Q modulation coding scheme subsets and Q number ranges, the first index is used to indicate a first modulation coding scheme, the first channel information is used to determine a first modulation coding scheme subset from the Q modulation coding scheme subsets, and the measurement for the first radio signal and the first modulation coding scheme subset are used together to determine the first modulation coding scheme.

As a sub-embodiment of the foregoing embodiment, the P priorities respectively correspond to P modulation and coding scheme sets one to one, the P priorities respectively correspond to P value range sets one to one, and the P modulation and coding scheme sets respectively correspond to the P value range sets one to one.

Example 17

Embodiment 17 illustrates a schematic diagram of the relationship among P priorities, P modulation and coding scheme sets, a first priority, and Q modulation and coding scheme subsets according to an embodiment of the present application, as shown in fig. 17.

In embodiment 17, the P priorities are respectively in one-to-one correspondence with the P modulation and coding scheme sets, the P priorities are respectively in one-to-one correspondence with the P number of value range sets, and the P modulation and coding scheme sets are respectively in one-to-one correspondence with the P number of value range sets; the first modulation coding mode set is one of the P modulation coding mode sets corresponding to the first priority, and the first value range set is one of the P value range sets corresponding to the first priority; the first modulation and coding scheme set comprises the Q modulation and coding scheme subsets, the first value range set comprises the Q value ranges, and P is a positive integer greater than 1.

As a sub-embodiment of the above embodiment, any two of the P priorities are different.

As a sub-embodiment of the above-described embodiment, any one of the P priorities is a PPPP (ProSe Per-Packet Priority) value.

As a sub-embodiment of the above-described embodiment, any one of the P priorities is a PPPR (ProSe Per-Packet Reliability) value.

As a sub-embodiment of the above embodiment, any one of the P priorities is an index of one QoS class.

As a sub-embodiment of the above embodiment, any one of the P priority levels is an index of 5QI (5G QoS Indicator, fifth generation quality of service Indicator).

As a sub-embodiment of the above embodiment, any one of the P priorities is an index of a PQI (PC5 QoS Indicator ).

As a sub-embodiment of the above embodiment, any one of the P priorities is an integer.

As a sub-embodiment of the above embodiment, any one of the P priorities is a non-negative integer.

As a sub-embodiment of the above embodiment, any one of the P priorities is a positive integer.

As a sub-embodiment of the above-mentioned embodiment, the larger any one of the P priorities indicates higher priority.

As a sub-embodiment of the above-mentioned embodiment, a smaller priority level of any of the P priority levels indicates a higher priority.

As a sub-embodiment of the foregoing embodiment, any one modulation and coding scheme set in the P modulation and coding scheme sets includes a positive integer number of modulation and coding scheme subsets, and any one modulation and coding scheme subset in the P modulation and coding scheme sets includes a positive integer number of modulation and coding schemes.

As a sub-embodiment of the above embodiment, any one of the P value range sets includes a positive integer value range.

As a sub-embodiment of the above embodiment, any one of the values in any one of the P value range sets is a non-negative real number.

As a sub-embodiment of the above embodiment, any one of the values in any one of the P value range sets is a non-negative real number not greater than 1.

Example 18

Embodiment 18 is a block diagram illustrating a processing apparatus in a first node device, as shown in fig. 18. In fig. 18, a first node apparatus processing apparatus 1200 includes a first transmitter 1201 and a first receiver 1202.

A first receiver 1202 performing a first measurement or receiving first information; receiving a first wireless signal;

a first transmitter 1201 that transmits a second wireless signal;

in embodiment 18, the second wireless signal carries a first index, the first index being a non-negative integer; the measurement and first channel information for the first wireless signal are used together to determine the first index; the first measurement is used to determine the first channel information or the first information is used to indicate the first channel information.

As an embodiment, the first index is used to indicate a first modulation coding scheme, the first channel information is used to determine a first modulation coding scheme subset, and the measurement for the first wireless signal and the first modulation coding scheme subset are used together to determine the first modulation coding scheme.

As an embodiment, the first modulation and coding scheme subset includes N modulation and coding schemes, N spectral efficiencies are spectral efficiencies of the N modulation and coding schemes, respectively, and N is a positive integer; the spectral efficiency of the first modulation coding mode is not more than the maximum value of the N spectral efficiencies.

As an embodiment, the first measurement includes performing X first type measurements in X time-frequency units, respectively, X being a positive integer; the X first type measurements are used to obtain X first type measurements, respectively, which are used to determine the first channel information.

As an embodiment, a first priority is used to determine the first index, first signaling is used to determine time-frequency resources occupied by the first wireless signal, and the first signaling is used to determine the first priority; or, the second wireless signal carries P indexes, P priorities are respectively used for determining the P indexes, the first index is any one of the P indexes, and P is a positive integer greater than 1.

As an embodiment, the first receiver 1202 also receives second information; wherein the second information is used to determine time-frequency resources occupied by the first wireless signal.

For one embodiment, the first transmitter 1201 also transmits a first signaling; wherein the first signaling is used to determine time-frequency resources occupied by the second wireless signal.

For one embodiment, the first node apparatus 1200 is a user equipment.

As an embodiment, the first node apparatus 1200 is a relay node.

For one embodiment, the first node apparatus 1200 is a base station.

As an embodiment, the first node apparatus 1200 is a vehicle-mounted communication apparatus.

For one embodiment, the first node apparatus 1200 is a user equipment supporting V2X communication.

As an embodiment, the first node apparatus 1200 is a relay node supporting V2X communication.

The first transmitter 1201 includes, for one embodiment, at least one of the antenna 452, the transmitter 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 5 of the present application.

For one embodiment, the first transmitter 1201 includes at least the first five of the antenna 452, the transmitter 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 5 of the present application.

For one embodiment, the first transmitter 1201 includes at least the first four of the antenna 452, the transmitter 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 5 of the present application.

The first transmitter 1201 includes, for one embodiment, at least three of the antenna 452, the transmitter 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 5 of the present application.

The first transmitter 1201 includes, for one embodiment, at least two of the antenna 452, the transmitter 454, the multi-antenna transmitter processor 457, the transmit processor 468, the controller/processor 459, the memory 460, and the data source 467 of fig. 5 of the present application.

For one embodiment, the first receiver 1202 may include at least one of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 5.

For one embodiment, the first receiver 1202 may include at least the first five of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 5.

For one embodiment, the first receiver 1202 may include at least the first four of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 5.

For one embodiment, the first receiver 1202 includes at least the first three of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 5.

For one embodiment, the first receiver 1202 may include at least two of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, the controller/processor 459, the memory 460, and the data source 467 of fig. 5.

Example 19

Embodiment 19 is a block diagram illustrating a processing apparatus in a second node device, as shown in fig. 19. In fig. 19, a second node device processing apparatus 1300 includes a second receiver 1301 and a second transmitter 1302.

A second transmitter 1302 for transmitting a first wireless signal;

a second receiver 1301 which receives a second wireless signal;

in embodiment 19, the second wireless signal carries a first index, the first index being a non-negative integer; measurements and first channel information for the first wireless signal are used together to determine the first index.

As one embodiment, a transmitting node of the second wireless signal performs a first measurement, the first measurement being used to determine the first channel information.

For one embodiment, the second transmitter 1302 further transmits the first information; wherein the first information is used to indicate the first channel information.

For one embodiment, the second transmitter 1302 further transmits second information; wherein the second information is used to determine time-frequency resources occupied by the first wireless signal.

For an embodiment, the second receiver 1301 further receives a first signaling; wherein the first signaling is used to determine time-frequency resources occupied by the second wireless signal.

For one embodiment, the second receiver 1301 includes at least one of the antenna 420, the receiver 418, the multiple antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second receiver 1301 includes at least the first five of the antenna 420, the receiver 418, the multiple antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second receiver 1301 includes at least the first four of the antenna 420, the receiver 418, the multiple antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second receiver 1301 includes at least the first three of the antenna 420, the receiver 418, the multiple antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

The secondary receiver 1301, for one embodiment, includes at least two of the antenna 420, the receiver 418, the multiple antenna receive processor 472, the receive processor 470, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second transmitter 1302 includes at least one of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second transmitter 1302 includes at least the first five of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second transmitter 1302 includes at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second transmitter 1302 includes at least the first three of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second transmitter 1302 includes at least two of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476 of fig. 5 of the present application.

For one embodiment, the second node apparatus 1300 is a user equipment.

For one embodiment, the second node apparatus 1300 is a base station.

As an embodiment, the second node apparatus 1300 is a relay node.

As an embodiment, the second node apparatus 1300 is a user equipment supporting V2X communication.

As an embodiment, the second node apparatus 1300 is a base station apparatus supporting V2X communication.

As an embodiment, the second node apparatus 1300 is a relay node supporting V2X communication.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. The first node device in the application includes but is not limited to wireless communication devices such as cell-phones, tablet computers, notebooks, network access cards, low power consumption devices, eMTC devices, NB-IoT devices, vehicle-mounted communication devices, aircrafts, airplanes, unmanned aerial vehicles, and remote control airplanes. The second node device in this application includes but not limited to cell-phone, panel computer, notebook, network card, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle communication equipment, aircraft, unmanned aerial vehicle, wireless communication equipment such as telecontrolled aircraft. User equipment or UE or terminal in this application include but not limited to cell-phone, panel computer, notebook, network card, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle communication equipment, aircraft, unmanned aerial vehicle, wireless communication equipment such as remote control aircraft. The base station device, the base station or the network side device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, an eNB, a gNB, a transmission and reception node TRP, a GNSS, a relay satellite, a satellite base station, an air base station, and other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A first node device for wireless communication, comprising:

a first transmitter that transmits a second wireless signal;

wherein the second radio signal carries a first index, the first index is a Channel Quality Indicator (CQI), and the first index is a non-negative integer; measurements for the first wireless signal and first channel information are used together to determine the first index, the first channel information being a non-negative real number; the first measurement is used to determine the first channel information or the first information is used to indicate the first channel information; the first Information comprises all or part of fields of SCI (Sidelink Control Information) signaling; the first wireless Signal comprises a SL CSI-RS (SideLink Channel State Information-Reference Signal) accompanied by a link Channel State Information Reference Signal; the second radio signal is transmitted through a psch (physical downlink Shared Channel).

2. The first node device of claim 1, wherein the first index is used to indicate a first modulation coding scheme, wherein the first channel information is used to determine a first subset of modulation coding schemes, and wherein the first subset of modulation coding schemes and the measurement for the first wireless signal are used together to determine the first modulation coding scheme.

3. The first node device of claim 1 or 2, wherein the first channel information indicates a first subset of modulation and coding schemes, the first subset of modulation and coding schemes comprising a positive integer number of modulation and coding schemes; the first index is used for indicating the first modulation and coding mode from a target modulation and coding mode set, and the target modulation and coding mode set is different from the first modulation and coding mode subset; the target modulation coding mode set comprises a positive integer number of modulation coding modes, and the first modulation coding mode is one modulation coding mode in the target modulation coding mode set; the first modulation coding mode subset comprises N modulation coding modes, N spectral efficiencies are respectively the spectral efficiencies of the N modulation coding modes, and N is a positive integer; the spectral efficiency of the first modulation coding mode is not more than the maximum value of the N spectral efficiencies.

4. The first node device of claim 2, wherein the first index is used to indicate the first modulation and coding scheme from the first subset of modulation and coding schemes, wherein the first subset of modulation and coding schemes comprises N modulation and coding schemes, and wherein the first modulation and coding scheme is one of the N modulation and coding schemes; the N spectral efficiencies are respectively the spectral efficiencies of the N modulation coding modes, and N is a positive integer; the spectral efficiency of the first modulation coding mode is not more than the maximum value of the N spectral efficiencies.

5. The first node device of any of claims 1-4, wherein a first block of bits is used to generate the second wireless signal, the first block of bits comprising a first sub-block, the first sub-block indicating the first index, the first block of bits comprising a positive integer number of bits, the first sub-block comprising a positive integer number of bits; the first bit block further comprises bits other than the first sub-block, the first sub-block comprising a number of bits less than a number of bits comprised by the first bit block; the first bit block indicates a CSI (Channel State Information), and the first sub-block indicates a CQI; the CSI includes at least one of RI (Rank Indicator), PMI (Precoding Matrix Indicator), CQI or CRI (CSI-reference signal Resource Indicator).

6. The first node apparatus of any one of claims 1 to 5, comprising:

receiving second information;

wherein the second information is used to determine time-frequency resources occupied by the first wireless signal; the second Information comprises a partial field of SCI (Sidelink Control Information, accompanied by link Control Information) signaling; the first information and the second information belong to the same SCI signaling; the time domain resource occupied by the second information and the time domain resource occupied by the first wireless signal both belong to the same time slot; the frequency domain resource occupied by the second information and the frequency domain resource occupied by the first wireless signal both belong to the same BWP (BandWidth Part).

7. The first node device of any one of claims 1 to 6, comprising:

sending a first signaling;

wherein the first signaling is used for determining time-frequency resources occupied by the second wireless signal; the first signaling is SCI signaling; the time domain resource occupied by the first signaling and the time domain resource occupied by the second wireless signal belong to the same time slot; and the frequency domain resource occupied by the first signaling and the frequency domain resource occupied by the second wireless signal belong to the same BWP.

8. A second node device for wireless communication, comprising:

a second transmitter that transmits the first wireless signal;

a second receiver that receives a second wireless signal;

wherein the second radio signal carries a first index, the first index is a Channel Quality Indicator (CQI), and the first index is a non-negative integer; measurements for the first wireless signal and first channel information are used together to determine the first index, the first channel information being a non-negative real number; the first wireless Signal comprises a SL CSI-RS (SideLink Channel State Information-Reference Signal) accompanied by a link Channel State Information Reference Signal; the second wireless signal is transmitted through a PSSCH (Physical downlink Shared Channel);

a transmitting node of the second wireless signal performs a first measurement, the first measurement being used to determine the first channel information; or, the second transmitter further transmits first Information, where the first Information is used to indicate the first channel Information, and the first Information includes all or part of a field of SCI (Sidelink Control Information) signaling.

9. A method in a first node used for wireless communication, comprising:

performing a first measurement, or receiving first information;

receiving a first wireless signal;

transmitting a second wireless signal;

10. A method in a second node used for wireless communication, comprising:

transmitting a first wireless signal;

receiving a second wireless signal;

wherein the second radio signal carries a first index, the first index is a Channel Quality Indicator (CQI), and the first index is a non-negative integer; measurements for the first wireless signal and first channel information are used together to determine the first index, the first channel information being a non-negative real number; the first wireless Signal comprises a SL CSI-RS (SideLink Channel State Information-Reference Signal, accompanied by a Link Channel State Information Reference Signal); the second wireless signal is transmitted through a psch (Physical Sidelink Shared Channel);

a transmitting node of the second wireless signal performs a first measurement, the first measurement being used to determine the first channel information; alternatively, it comprises: transmitting first Information, the first Information being used to indicate the first channel Information, the first Information including all or part of a field of a SCI (Sidelink Control Information) signaling.