CN114337740B

CN114337740B - Method and apparatus in a node used for wireless communication

Info

Publication number: CN114337740B
Application number: CN202011076544.8A
Authority: CN
Inventors: 蒋琦; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2022-11-01
Anticipated expiration: 2040-10-10
Also published as: CN115395992B; CN115347923A; CN114337740A; CN115395992A

Abstract

A method and apparatus in a node used for wireless communication is disclosed. The node firstly receives a first information block and a second information block and then monitors a first signaling; receiving a first signal; the first information block indicates a target reference signal resource; the first signaling is quasi co-located with the target reference signal resource, the first signaling indicates a first reference signal resource from a first set of reference signal resources, the first signal is quasi co-located with the first reference signal resource; the second information block indicates L sets of candidate reference signal resources, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the identification associated with the target reference signal resource is used to determine the first set of reference signal resources from the L sets of candidate reference signal resources. The application optimizes a design method and a device of beam activation to improve mobility performance.

Description

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 design scheme and apparatus for beam triggering in wireless communication.

Background

In 5G NR (New Radio, new wireless), massive MIMO (Multi-Input Multi-Output) is one key technology. In massive MIMO, multiple antennas form a narrow beam pointing in a specific direction by beamforming to improve communication quality. In the 5G NR, the base station configures beam Transmission characteristics of control signaling and data channels through a TCI (Transmission Configuration Indication). For the Control signaling, the base station may indicate, through a MAC (Medium Access Control) CE (Control Elements, control unit), a TCI State (State) adopted when blind detecting a corresponding CORESET (Control Resource Set); for the data Channel, the base station may activate multiple TCI-states through the MAC CE, and dynamically instruct one of them to be applied to transmission of a PDSCH (Physical Downlink Shared Channel) through DCI (Downlink Control Information), thereby dynamically adjusting a receiving beam.

In the NR system, large-scale (Massive) MIMO (Multiple Input Multiple Output) is an important technical feature. In large-scale MIMO, a plurality of antennas form a narrower beam to point to a specific direction through beam forming so as to improve the communication quality. The beams formed by multi-antenna beamforming are generally narrow, and the beams of both communication parties need to be aligned for effective communication.

Disclosure of Invention

The inventors have found through research that beam-based communication can negatively impact inter-cell handover, such as additional delay and ping-pong effects. How to reduce these negative effects, improve the terminal switching speed, and further improve the performance of the cell border users to meet the requirements of various application scenarios is a problem to be solved.

In view of the above, the present application discloses a solution. It should be noted that although the above description uses the large-scale MIMO and beam-based communication scenarios as examples, the present application is also applicable to other scenarios such as LTE multi-antenna systems and achieves similar technical effects as in the large-scale MIMO and beam-based communication scenarios. Furthermore, the adoption of a unified solution for different scenarios (including but not limited to large scale MIMO, beam-based communication and LTE multi-antenna systems) also helps to reduce hardware complexity and cost. Without conflict, embodiments and features of embodiments in any node of the present application may be applied to any other node and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

In order to solve the problems, the application discloses a method and a device for layer 1/2 inter-cell handover and mobility management. 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. Further, although the purpose of the present application is for cellular networks, the present application can also be used for internet of things and car networking. Further, although the present application is originally directed to multicarrier communication, the present application can also be applied to single carrier communication. Further, although the present application was originally directed to multi-antenna communication, the present application can also be applied to single-antenna communication. Further, although the original intention of the present application is directed to the terminal and base station scenario, the present application is also applicable to the terminal and terminal, the terminal and relay, the Non-Terrestrial network (NTN), and the communication scenario between the relay and the base station, and similar technical effects in the terminal and base station scenario are obtained. Furthermore, the adoption of a unified solution for different scenarios (including but not limited to the communication scenario of the terminal and the base station) also helps to reduce hardware complexity and cost.

Further, without conflict, embodiments and features of embodiments in a first node device of the present application may apply to a second node device and vice versa. In particular, the terms (telematics), nouns, functions, variables in the present application may be explained (if not specifically stated) with reference to the definitions in the 3GPP Specification protocols TS (Technical Specification) 36 series, TS38 series, TS37 series.

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

receiving a first information block and a second information block;

monitoring for first signaling in a first set of time-frequency resources;

receiving a first signal in a second set of time-frequency resources;

wherein the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L candidate sets of reference signal resources, the first set of reference signal resources being a candidate set of reference signal resources of the L candidate sets of reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, one technical feature of the above method is that: the method includes the steps of extending TCI-State capable of being used for PDSCH transmission from an existing TCI-State set (8 TCI-State in an existing system) to L TCI-State (candidate reference signal resource sets), and associating the TCI-State of an indicated PDCCH (Physical Downlink Control Channel) with the candidate reference signal resource sets, wherein the PDCCH adopts which TCI-State to receive, and the TCI-State adopted by the PDSCH scheduled by the PDCCH is indicated from the candidate reference signal resource set which is associated with the TCI-State of the PDCCH in the candidate reference signal resource sets.

As an embodiment, another technical feature of the above method is: the L sets of candidate reference signal resources are associated to L cells, respectively, when the first node moves between a plurality of cells; the network side can determine a corresponding candidate reference signal resource set according to the TCI-State used by the first node for PDCCH blind detection from the L candidate reference signal resource sets, and indicate a TCI-State for scheduling; the above manner avoids reconfiguring RRC (Radio Resource Control) signaling used by the first node for beam transmission, and improves scheduling efficiency in mobility management.

As an embodiment, another technical feature of the above method is: the method establishes the relation between the wave beam for receiving the PDCCH and the wave beam for receiving the PDSCH, avoids the reconfiguration of multiple RRC signaling when switching among a plurality of cells, improves the transmission efficiency and reduces the signaling load.

According to an aspect of the present application, a Demodulation Reference Signal (DMRS) of a channel occupied by the first Signal has a first QCL relationship with the target Reference Signal resource, and a Demodulation Reference Signal (DMRS) of a channel occupied by the first Signal has a second QCL relationship with the target Reference Signal resource; the first information block comprises a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets one by one, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

According to an aspect of the application, the L identities indicate L cells, respectively; when an identity is used for generating a signal in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, when a reference Signal resource is quasi-co-located with an SSB (Synchronization Signal/physical broadcast channel Block) of a cell, the reference Signal resource is associated with an identity indicating the cell.

According to an aspect of the present application, the L identifiers respectively indicate L cells, an air interface resource occupied by a reference signal resource is indicated by a configuration signaling, an RLC (Radio Link Control ) Bearer (Bearer) through which the configuration signaling passes is configured through a CellGroupConfig IE (Information Element), and when a scell (Special cell ) configured by the CellGroupConfig IE includes a cell, the reference signal is associated with an identifier indicating the cell.

According to an aspect of the application, the first information block includes a second field, the second field is used for indicating one of the L identifiers associated with the target reference signal resource, and a bit number occupied by the second field is greater than 5.

As an embodiment, one technical feature of the above method is that: the identifier of the cell associated with the CORESET in the MAC CE is extended, 5 bits are used in the existing system to indicate one of 32 serving cells, and the second domain in the scheme occupies bits exceeding 5 bits to be applied to a larger number of cells, thereby further supporting mobility management under the condition of avoiding RRC reconfiguration in a plurality of cells.

According to one aspect of the application, comprising:

receiving a third information block;

wherein the third information block is used to indicate M1 first type reference signal resources, the M1 is a positive integer greater than 1, the target reference signal resource is one of the M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from the M1 first type reference signal resources.

According to an aspect of the application, the second information block comprises L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively.

As an embodiment, one technical feature of the above method is that: and triggering the L candidate reference signal resource sets simultaneously through one MAC signaling, namely the second information block, so as to avoid adopting a plurality of MAC signaling to carry out the operation, further reduce signaling overhead and improve transmission efficiency.

According to one aspect of the application, comprising:

receiving a fourth information block;

wherein the fourth information block is used for indicating L second-class reference signal resource pools to which the L candidate reference signal resource sets respectively correspond one-to-one, and the second information block is used for indicating the L candidate reference signal resource sets from the L second-class reference signal resource pools.

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

transmitting a first information block and a second information block;

transmitting first signaling in a first set of time-frequency resources;

transmitting a first signal in a second set of time-frequency resources;

According to an aspect of the present application, the demodulation reference signal of the channel occupied by the first signaling has a first QCL relationship with the target reference signal resource, and the DMRS of the channel occupied by the first signal has a second QCL relationship with the first reference signal resource; the first information block comprises a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets one by one, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

According to an aspect of the present application, the L identities indicate L cells, respectively; when an identity is used for generating signals in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, one reference signal resource is associated to one identity indicating one cell when the one reference signal resource is quasi co-located with the SSB of the one cell.

According to an aspect of the present application, the L identifiers respectively indicate L cells, an air interface resource occupied by a reference signal resource is indicated by a configuration signaling, an RLC bearer through which the configuration signaling passes is configured by a CellGroupConfig IE, and when an scell configured by the CellGroupConfig IE includes a cell, the reference signal is associated with an identifier indicating the cell.

According to one aspect of the application, comprising:

transmitting the third information block;

According to one aspect of the application, comprising:

transmitting the fourth information block;

The application discloses a first node for wireless communication, comprising:

a first receiver receiving a first information block and a second information block;

a second receiver to monitor for first signaling in a first set of time-frequency resources;

a third receiver configured to receive the first signal in a second set of time-frequency resources;

The application discloses a second node for wireless communication, including:

a first transmitter for transmitting the first information block and the second information block;

a second transmitter to transmit first signaling in a first set of time-frequency resources;

a third transmitter for transmitting the first signal in the second set of time-frequency resources;

As an example, compared with the conventional scheme, the method has the following advantages:

extending the TCI-State available for PDSCH transmission from an existing set of TCI-states to L TCI-states, i.e. L sets of candidate reference signal resources, and associating the indicated TCI-State of the PDCCH with the L sets of candidate reference signal resources, with which TCI-State the PDCCH receives, the TCI-State used by the PDCCH scheduled being indicated from the one of the L sets of candidate reference signal resources associated with the TCI-State of the PDCCH;

the L sets of candidate reference signal resources are associated to L cells, respectively, when the first node moves between cells; the network side can determine a corresponding candidate reference signal resource set according to the TCI-State used by the first node for PDCCH blind detection from the L candidate reference signal resource sets, and indicate one TCI-State for scheduling; the method avoids reconfiguring RRC signaling used by the first node for beam transmission, and improves scheduling efficiency in mobility management;

establishing a connection between the beam for receiving the PDCCH and the beam for receiving the PDSCH, avoiding multiple reconfiguration of RRC signaling when switching between multiple cells, improving transmission efficiency, and reducing signaling load.

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 illustrates a process flow diagram of a first node according to one embodiment of the present application;

FIG. 2 shows a schematic diagram of a network architecture according to an embodiment of the present application;

figure 3 shows a schematic diagram of an embodiment of a radio protocol architecture for the user plane and the control plane according to an embodiment of the present application;

FIG. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application;

fig. 5 shows a flow chart of a first signaling according to an embodiment of the application;

fig. 6 shows a schematic diagram of L sets of candidate reference signal resources according to an embodiment of the application;

FIG. 7 shows a schematic diagram of a first information block according to an embodiment of the application;

FIG. 8 shows a schematic diagram of a second information block according to an embodiment of the present application;

FIG. 9 shows a schematic diagram of a second information block according to another embodiment of the present application;

FIG. 10 shows a schematic diagram of a second information block according to yet another embodiment of the present application;

FIG. 11 shows a schematic diagram of a third information block according to an embodiment of the present application;

FIG. 12 shows a schematic diagram of an application scenario according to an embodiment of the present application;

FIG. 13 shows a block diagram of a processing arrangement in a first node device according to an embodiment of the present application;

fig. 14 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 processing flow diagram of a first node, as shown in fig. 1. In 100 shown in fig. 1, each block represents a step. In embodiment 1, a first node in the present application receives a first information block and a second information block in step 101; monitoring 102 for first signaling in a first set of time-frequency resources; the first signal is received in a second set of time-frequency resources in step 103.

In embodiment 1, the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L sets of candidate reference signal resources, the first set of reference signal resources being a set of candidate reference signal resources of the L sets of candidate reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the first information block includes a TCI status Indication (Indication of TCI State for UE-specific PDDCH) of a user-specific physical downlink control channel in a TS (Technical Specification) 38.321.

As an embodiment, the first information block is a MAC CE.

As an embodiment, the first information block includes one MAC CE.

As an embodiment, the second information block includes TCI State Activation/Deactivation (Activation/Deactivation of UE-specific PDSCH TCI State) of a user-specific physical downlink shared channel in TS 38.321.

As an embodiment, the second information block is a MAC CE.

As an embodiment, the second information block includes a MAC CE.

For one embodiment, the first set of time-frequency resources includes a CORESET.

As an embodiment, said first set of time and frequency resources is associated to a CORESET Identity (ID).

As an embodiment, the first set of time-frequency resources includes a positive integer number of REs (Resource Elements) greater than 1.

For one embodiment, the first set of time and frequency resources includes a CORESET Pool (Pool).

As an embodiment, the first set of time-frequency resources is associated to one CORESET Chi Biaoshi (ID).

As an embodiment, the first Set of time-frequency resources comprises a Set of Search spaces (Search Space Set).

As an embodiment, the first set of time-frequency resources is associated to a search space set Identification (ID).

As an embodiment, the first set of time-frequency resources comprises a Search Space (Search Space).

As an embodiment, the first Set of time-frequency resources includes a Search Space Set Pool (Search Space Set Pool).

As an embodiment, the first set of time-frequency resources is associated to a search space set pool Identification (ID).

As an embodiment, the physical layer channel carrying the first signaling comprises a PDCCH.

As an embodiment, the first signaling is a DCI.

As an embodiment, the first signaling is a Downlink Grant (Downlink Grant).

As one embodiment, the first signaling is used to schedule the first signal.

As one embodiment, the monitoring includes Blind detection (Blind Decoding).

As an embodiment, the monitoring includes a CRC (Cyclic Redundancy Check) Check.

As one embodiment, the monitoring includes receiving.

As one embodiment, the monitoring includes demodulating.

As one embodiment, the monitoring includes coherent detection.

As one embodiment, the monitoring includes energy detection.

As an embodiment, the first signaling is used to indicate the second set of time-frequency resources.

As an embodiment, the first signaling is used to indicate a position of an OFDM (Orthogonal Frequency Division Multiplexing) symbol occupied by the second set of time-Frequency resources.

As an embodiment, the first signaling is used to indicate the positions of the subcarriers occupied by the second set of time-frequency resources.

As an embodiment, the second set of time-frequency resources comprises a positive integer number of REs larger than 1.

As one embodiment, the first signal is a wireless signal.

As one embodiment, the first signal is a baseband signal.

As one embodiment, the physical layer channel carrying the first signal comprises a PDSCH.

As an embodiment, the first signal is generated by one TB (Transmission Block).

As one embodiment, the target Reference Signal resource includes at least one of a CSI-RS (Channel State Information-Reference Signal) resource or an SSB.

For one embodiment, the target reference signal resource includes at least one of a CSI-RS or an SSB.

As an embodiment, the target reference signal resource includes at least one of a CSI-RS resource Identity (Identity) or an SSB Index (Index).

For one embodiment, the target reference signal resource includes a CSI-RS resource set Identity (Identity).

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located includes: spatial Rx Parameter of the target reference signal resource is used for reception of demodulation reference signals of a channel occupied by the first signaling.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located includes: spatial reception parameters of the target reference signal resource are used for reception of the first signaling.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located includes: and the first node receives the demodulation reference signals of the channels occupied by the target reference signal resources and the first signaling by adopting the same wave beam.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located includes: the target reference signal resource is used for reception of the first signaling.

For one embodiment, the target reference signal resource corresponds to a TCI status (TCI-State).

As an example, the Quasi-Co-location means QCL (Quasi Co-located).

For one embodiment, the quasi co-located Type comprises QCL Type D.

For one embodiment, the quasi co-located Type comprises QCL Type A.

For one embodiment, the quasi co-located Type comprises QCL Type B.

For one embodiment, the quasi co-located Type comprises QCL Type C.

As an embodiment, the first Field included in the first signaling is a TCI Field (Field) in a PDCCH.

As an embodiment, the first field included in the first signaling is a TCI field in DCI.

As an embodiment, the first set of reference signal resources includes K1 reference signal resources, where K1 is a positive integer greater than 1.

As a sub-embodiment of this embodiment, K1 is equal to 8.

As a sub-embodiment of this embodiment, the K1 reference signal resources correspond to K1 TCI states, respectively.

As a sub-embodiment of this embodiment, at least one of the K1 reference signal resources includes at least one of a CSI-RS resource or an SSB.

As a sub-embodiment of this embodiment, at least one reference signal resource in the K1 reference signal resources corresponds to at least one of CSI-RS or SSB.

As a sub-embodiment of this embodiment, at least one reference signal resource in the K1 reference signal resources corresponds to at least one of a CSI-RS resource identifier or an SSB index.

As a sub-embodiment of this embodiment, at least one reference signal resource in the K1 reference signal resources has a CSI-RS resource set identifier corresponding to the reference signal resource.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located includes: the spatial reception parameters of the first reference signal resource are used for reception of demodulation reference signals of a channel occupied by the first signal.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located includes: spatial reception parameters of the first reference signal resource are used for reception of the first signal.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located includes: and the first node receives the demodulation reference signals of the channels occupied by the first reference signal resources and the first signals by adopting the same wave beam.

As an embodiment, the above sentence, that the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located includes: the first reference signal resource is used for reception of the first signal.

As an example, L is 2.

As one embodiment, L is greater than 2 and not more than 64.

As an embodiment, the first information block and the second information block each include MAC layer signaling.

As an embodiment, the first information block includes one MAC CE, and the second information block includes one MAC CE.

As an embodiment, the first information block includes one MAC CE, and the second information block includes L MAC CEs, where the L MAC CEs respectively indicate the L candidate reference signal resource sets.

As an embodiment, a given candidate set of reference signal resources is any one of the L candidate sets of reference signal resources, the given candidate set of reference signal resources comprises K2 candidate reference signal resources, the K2 is a positive integer greater than 1.

As a sub-embodiment of this embodiment, K2 is equal to 8.

As a sub-embodiment of this embodiment, said K2 is not greater than 8.

As a sub-embodiment of this embodiment, the K2 candidate reference signal resources correspond to K2 TCI states, respectively.

As a sub-embodiment of this embodiment, at least one candidate reference signal resource out of the K2 candidate reference signal resources includes at least one of a CSI-RS resource or an SSB.

As a sub-embodiment of this embodiment, at least one candidate reference signal resource in the K2 candidate reference signal resources exists, where the at least one candidate reference signal resource corresponds to at least one of CSI-RS or SSB.

As a sub-embodiment of this embodiment, at least one candidate reference signal resource of the K2 candidate reference signal resources exists, where the at least one candidate reference signal resource corresponds to at least one of a CSI-RS resource identity or an SSB index.

As a sub-embodiment of this embodiment, at least one candidate reference signal resource in the K2 candidate reference signal resources has a CSI-RS resource set identifier corresponding to the candidate reference signal resource.

As an example, the meaning that the target reference signal resource is associated to one of the L identifiers in the above sentence includes: the first information block indicating the target reference signal resource is further used to indicate the one of the L identities with which the target reference signal resource is associated.

As an example, the meaning that the target reference signal resource is associated to one of the L identifiers in the above sentence includes: the target reference signal resource is associated to a TCI state, and the RRC configuration information of the TCI state further includes a given identifier associated with the target reference signal resource, where the given identifier is one of the L identifiers.

As an example, the meaning that the target reference signal resource is associated to one of the L identifiers in the above sentence includes: the target reference signal resource is associated to a CSI-RS resource, and the RRC configuration information of the CSI-RS resource further comprises a given identifier associated with the target reference signal resource, wherein the given identifier is one of the L identifiers.

As an embodiment, any one of the L identifiers is a PCI (Physical Cell Identity).

As an embodiment, any one of the L identifiers is a CellGroupId.

As an embodiment, any one of the L markers is a physical cell group id.

As an embodiment, the number of bits occupied by any one of the L identifiers is greater than 5.

As an embodiment, the number of bits occupied by any one of the L identifiers is equal to 16.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in fig. 2.

FIG. 2 illustrates a diagram of a network architecture 200 for the 5G NR, LTE (Long-Term Evolution), and LTE-A (Long-Term Evolution Advanced) 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 a UE (User Equipment) 201, ng-RAN (next generation radio access Network) 202, epc (Evolved Packet Core)/5G-CN (5G-Core Network,5G Core Network) 210, hss (Home Subscriber Server) 220, and internet service 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 bs (gnbs) 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 is connected to the EPC/5G-CN210 via an S1/NG interface. The EPC/5G-CN210 includes an MME (Mobility Management Entity)/AMF (Authentication Management Domain)/UPF (User Plane Function) 211, other MMEs/AMFs/UPFs 214, an S-GW (Service Gateway) 212, and a 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-GW213. The P-GW213 provides UE IP address assignment 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 is a terminal with inter-cell handover capability to trigger L1/L2.

As an embodiment, the UE201 is a terminal with the capability of monitoring multiple beams simultaneously.

As an embodiment, the UE201 is a terminal supporting Massive-MIMO.

As an embodiment, the UE201 is a terminal supporting V2X (Vehicle-to-event).

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

As an embodiment, the gNB203 supports an L1/L2 inter-cell handover function.

As an embodiment, the gNB203 supports multi-beam transmission.

As an embodiment, the gNB203 supports Massive-MIMO based transmission.

Example 3

Embodiment 3 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. 3. Fig. 3 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane 350 and the control plane 300, fig. 3 showing the radio protocol architecture for the control plane 300 between a first communication node device (UE, RSU in gbb or V2X) and a second communication node device (gbb, RSU in UE or V2X) 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 PHY301. Layer 2 (L2 layer) 305 is above PHY301 and is responsible for a link between the first communication node device and the second communication node device through PHY301. 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 the PDCP sublayer 304 also provides handover support for a first communication node device to a second 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. A RRC (Radio resource Control) sublayer 306 in layer 3 (L3 layer) 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 is 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 a Service Data Adaptation Protocol (SDAP) sublayer 356, and the SDAP sublayer 356 is responsible for mapping between QoS streams and Data Radio Bearers (DRBs) to support Service diversity. 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. 3 is applicable to the first node in this application.

As an example, the radio protocol architecture in fig. 3 is applicable to the second node in this application.

As an embodiment, the PDCP304 of the second communication node device is used to generate a schedule for the first communication node device.

As an embodiment, the PDCP354 of the second communication node device is used to generate a schedule for the first communication node device.

As an embodiment, the first information block in the present application is generated in the PHY301 or the PHY351.

As an embodiment, the first information block in the present application is generated in the MAC302 or the MAC352.

As an embodiment, the second information block in the present application is generated in the PHY301 or the PHY351.

As an embodiment, the second information block in this application is generated in the MAC302 or the MAC352.

As an embodiment, the first signaling in the present application is generated in the PHY301 or the PHY351.

As an embodiment, the first signaling in this application is generated in the MAC302 or the MAC352.

As an embodiment, the first signal in the present application is generated in the PHY301 or the PHY351.

As an embodiment, the first signal in this application is generated in the MAC302 or the MAC352.

As an embodiment, the first signal in this application is generated in the RRC306.

As an embodiment, the third information block in the present application is generated in the RRC306.

As an embodiment, the fourth information block in the present application is generated in the RRC306.

As an embodiment, the first node is a terminal.

As an embodiment, the second node is a terminal.

As an example, the second node is an RSU (Road Side Unit).

As an embodiment, the second node is a Grouphead.

As an embodiment, the second node is a TRP (Transmitter Receiver Point).

As one embodiment, the second node is a Cell (Cell).

As an embodiment, the second node is an eNB.

As an embodiment, the second node is a base station.

Example 4

Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in fig. 4. Fig. 4 is a block diagram of a first communication device 450 and a second communication device 410 communicating with each other in an access network.

The first communications device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.

The second 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.

In the transmission from the second communication device 410 to the first communication device 450, at the second 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 the L2 layer. In transmissions from the second 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 first communications device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets and signaling to the first 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 410, 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 processing 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 second communications apparatus 410 to the first communications apparatus 450, each receiver 454 receives a signal through its respective antenna 452 at the first communications apparatus 450. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream 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 streams from 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 first 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 second 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 functions 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 second 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 first communications device 450 to the second communications device 410, a data source 467 is used at the first 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 send function at the second communications apparatus 410 described in the transmission from the second communications apparatus 410 to the first 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 second 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 first communication device 450 to the second communication device 410, the functionality at the second communication device 410 is similar to the receiving functionality at the first communication device 450 described in the transmission from the second communication device 410 to the first 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 functions of the L1 layer. The controller/processor 475 implements L2 layer functions. The controller/processor 475 may be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In transmission from the first communications device 450 to the second 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 communication device 450 apparatus includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code configured to, for use with the at least one processor, the first communication device 450 apparatus at least: firstly, receiving a first information block and a second information block; secondly, monitoring a first signaling in a first time-frequency resource set; subsequently receiving the first signal in a second set of time-frequency resources; the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L candidate sets of reference signal resources, the first set of reference signal resources being a candidate set of reference signal resources of the L candidate sets of reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the first 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: firstly, receiving a first information block and a second information block; secondly, monitoring a first signaling in the first time-frequency resource set; subsequently receiving the first signal in a second set of time-frequency resources; the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L sets of candidate reference signal resources, the first set of reference signal resources being a set of candidate reference signal resources of the L sets of candidate reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the second communication device 410 apparatus 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 410 means at least: firstly, a first information block and a second information block are sent; secondly, sending a first signaling in the first time-frequency resource set; subsequently transmitting the first signal in a second set of time-frequency resources; the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L sets of candidate reference signal resources, the first set of reference signal resources being a set of candidate reference signal resources of the L sets of candidate reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the second communication device 410 apparatus includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: firstly, a first information block and a second information block are sent; secondly, sending a first signaling in the first time-frequency resource set; subsequently transmitting the first signal in a second set of time-frequency resources; the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L candidate sets of reference signal resources, the first set of reference signal resources being a candidate set of reference signal resources of the L candidate sets of reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the first communication device 450 corresponds to a first node in the present application.

As an embodiment, the second communication device 410 corresponds to a second node in the present application.

For one embodiment, the first communication device 450 is a UE.

For one embodiment, the first communication device 450 is a terminal.

For one embodiment, the second communication device 410 is a base station.

In one embodiment, the second communication device 410 is a UE.

For one embodiment, the second communication device 410 is a network device.

For one embodiment, the second communication device 410 is a serving cell.

For one embodiment, the second communication device 410 is a TRP.

For one embodiment, 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 are configured to receive a first information block and a second information block; at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 are used to send a first information block and a second information block.

For one embodiment, 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 are configured to monitor for first signaling in a first set of time and frequency resources; at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 are configured to send first signaling in a first set of time-frequency resources.

For one embodiment, 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 are configured to receive a first signal in a second set of time-frequency resources; at least the first four of the antennas 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 are configured to send the first signal in a second set of time-frequency resources.

For one embodiment, 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 are configured to receive a third block of information; at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 are used to send a third information block.

For one embodiment, 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 are configured to receive a fourth information block; at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 are used to send a fourth information block.

Example 5

Embodiment 5 illustrates a flow chart of the first signaling, as shown in fig. 5. In fig. 5, a first node U1 communicates with a second node N2 via a wireless link. It should be noted that the sequence in the present embodiment does not limit the signal transmission sequence and the implementation sequence in the present application.

For theFirst node U1Receiving a third information block in step S10; receiving a fourth information block in step S11; receiving a first information block and a second information block in step S12; monitoring a first signalling in a first set of time-frequency resources in step S13; the first signal is received in a second set of time-frequency resources in step S14.

For theSecond node N2Transmitting a third information block in step S20; transmitting a fourth information block in step S21; transmitting the first information block and the second information block in step S22; transmitting first signaling in a first set of time-frequency resources in step S23; the first signal is transmitted in a second set of time-frequency resources in step S24.

In embodiment 5, the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L candidate sets of reference signal resources, the first set of reference signal resources being a candidate set of reference signal resources of the L candidate sets of reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource; the third information block is used to indicate M1 first type reference signal resources, M1 is a positive integer greater than 1, the target reference signal resource is one of the M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from the M1 first type reference signal resources; the fourth information block is used for indicating L second-class reference signal resource pools, the L candidate reference signal resource pools are respectively in one-to-one correspondence with the L second-class reference signal resource pools, and the second information block is used for indicating the L candidate reference signal resource pools from the L second-class reference signal resource pools.

As an embodiment, the demodulation reference signal of the channel occupied by the first signaling has a first QCL relationship with the target reference signal resource, and the DMRS of the channel occupied by the first signal has a second QCL relationship with the first reference signal resource; the first information block comprises a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets one by one, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

As an embodiment, any one of the L sets of candidate reference signal resources comprises one of an SSB and a CSI-RS resource.

As an embodiment, any candidate Reference Signal resource in the L sets of candidate Reference Signal resources includes one of an SSB, a CSI-RS resource, a TRS (Tracking Reference Signal), and a DMRS.

As an embodiment, any candidate reference signal resource in the L candidate reference signal resource sets includes a downlink reference signal.

As an embodiment, the L identifiers respectively indicate L cells; when an identity is used for generating signals in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, one reference signal resource is associated to one identity indicating one cell when the one reference signal resource is quasi co-located with the SSB of the one cell.

As an embodiment, the cell in this application is a serving cell.

As an embodiment, the cell in this application corresponds to a PCI.

As an embodiment, the L identifiers respectively indicate L cells, an air interface resource occupied by a reference signal resource is indicated by a configuration signaling, an RLC bearer through which the configuration signaling passes is configured by a CellGroupConfig IE, and when a scell configured by the CellGroupConfig IE includes a cell, the reference signal is associated with an identifier indicating the cell.

As a sub-embodiment of this embodiment, the configuration signaling comprises RRC signaling.

As a sub-embodiment of this embodiment, the air interface resource includes a time frequency resource.

As a sub-embodiment of this embodiment, the air interface resource includes an RS (Reference Signal) sequence.

As a sub-embodiment of this embodiment, the air interface resource includes a code domain resource.

As a sub-embodiment of this embodiment, the L cells include Pcell (Primary Cell) and PScell (Primary SCG Cell) of the first node.

As an embodiment, the first information block includes a second field, the second field is used to indicate one of the L identifiers corresponding to the target reference signal resource, and a bit number occupied by the second field is greater than 5.

As a sub-embodiment of this embodiment, the second field occupies 16 bits.

As a sub-embodiment of this embodiment, the second domain is used to indicate a PCI.

As an example, said M1 is equal to 8.

As an example, said M1 is equal to 16.

As an embodiment, the M1 first-type reference signal resources respectively correspond to M1 TCI states.

As an embodiment, at least one of the M1 first type reference signal resources includes at least one of CSI-RS resources or SSBs.

As an embodiment, at least one of the M1 first type reference signal resources exists, and at least one of the CSI-RS or the SSB corresponds to one of the first type reference signal resources.

As an embodiment, at least one of the M1 first type reference signal resources has at least one CSI-RS resource identifier or SSB index corresponding to the first type reference signal resource.

As an embodiment, at least one first type reference signal resource in the M1 first type reference signal resources corresponds to one CSI-RS resource set identifier.

As an embodiment, the third information block is used to indicate M1 first-type identifiers, where the M1 first-type identifiers correspond to the M1 first-type reference signals one-to-one, respectively, and any one of the M1 first-type identifiers is one of the L identifiers.

As a sub-embodiment of this embodiment, at least two first-class identifiers of the M1 first-class identifiers are different.

As a sub-embodiment of this embodiment, the first node determines, according to the first type identifier associated with the target reference signal resource, one identifier associated with the target reference signal resource among the L identifiers.

As an embodiment, the third information block includes a ControlResourceSet IE in TS 38.331.

As an embodiment, the third information block includes SearchSpace IE in TS 38.331.

As an embodiment, the third information block includes a BeamFailureRecoveryConfig IE in TS 38.331.

As an embodiment, the name of RRC signaling carrying the third information block includes CORESET.

As an embodiment, the name of RRC signaling carrying the third information block includes SearchSpace.

As an embodiment, the name of RRC signaling carrying the third information block includes Recovery.

As an embodiment, the name of the RRC signaling carrying the third information block includes an Intercell.

As an embodiment, the name of RRC signaling carrying the third information block includes Mobility.

As an embodiment, the third information block is used to indicate a position of a frequency domain resource occupied by the first set of time-frequency resources.

As an embodiment, the third information block is used to indicate a position of a time domain resource occupied by the first set of time-frequency resources.

As an embodiment, the second information block includes L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively.

As a sub-implementation of this embodiment, the given target domain is any one of the L target domains, the given target domain is used to indicate a given candidate set of reference signal resources of the L candidate sets of reference signal resources, and the given target domain is used to indicate a given identity of the L identities; the given identity is associated with the given set of candidate reference signal resources.

As an additional embodiment of this sub-embodiment, the given target domain comprises a first sub-domain, the first sub-domain being used to indicate a CORESET pool to which the first set of time-frequency resources belongs.

As an additional embodiment of this sub-embodiment, the given target domain comprises a second sub-domain, the second sub-domain being used to indicate the given identity.

As an additional embodiment of this sub-embodiment, the given target zone comprises a third sub-zone used to indicate a DL BWP targeted by a BWP Indicator in the first signaling employing the second information block.

As an additional embodiment of this sub-embodiment, the given target field comprises a fourth sub-field, the fourth sub-field being used to indicate the given set of candidate reference signal resources.

As an additional embodiment of this sub-embodiment, the number of bits occupied by the fourth sub-field is not more than 128.

As an additional embodiment of this sub-embodiment, the first sub-field, the second sub-field, the third sub-field and the fourth sub-field are consecutive in the second information block.

As an additional embodiment of this sub-embodiment, the first sub-field, the second sub-field, the third sub-field and the fourth sub-field are discrete in the second information block.

As a sub-embodiment of this embodiment, the L target fields are contiguous in the second information block.

As a sub-embodiment of this embodiment, the L target fields are discrete in the second information block.

As an embodiment, any one of the L second class reference signal resource pools includes M2 second class reference signal resources, where M2 is a positive integer greater than 1.

As a sub-embodiment of this embodiment, said M2 is not greater than 128.

As a sub-embodiment of this embodiment, said M2 is greater than 8.

As a sub-embodiment of this embodiment, said M2 is greater than said K2 in the present application.

As an embodiment, the M2 second-class reference signal resources respectively correspond to M2 TCI states.

As an embodiment, at least one of the M2 second type reference signal resources includes at least one of CSI-RS resources or SSBs.

As an embodiment, at least one of the M2 second type reference signal resources corresponds to at least one of CSI-RS or SSB.

As an embodiment, at least one of the M2 second-type reference signal resources has at least one CSI-RS resource identifier or SSB index corresponding to the second-type reference signal resource.

As an embodiment, at least one reference signal resource of the M2 second types of reference signal resources corresponds to one CSI-RS resource set identifier.

As an embodiment, a given candidate set of reference signal resources is any one of the L candidate sets of reference signal resources, the given candidate set of reference signal resources corresponding to a given second type of pool of reference signal resources of the L second types of pools of reference signal resources.

As a sub-embodiment of this embodiment, the given set of candidate reference signal resources is a subset of the pool of reference signal resources of the second type.

As a sub-implementation of this embodiment, the given set of candidate reference signal resources includes K2 candidate reference signal resources, the given pool of second-class reference signal resources includes M2 second-class reference signal resources, and any candidate reference signal resource of the K2 candidate reference signal resources is one second-class reference signal resource of the M2 second-class reference signal resources.

Example 6

Embodiment 6 illustrates a schematic diagram of L candidate reference signal resource sets, as shown in fig. 6. In fig. 6, L identifiers are respectively associated to the L candidate reference signal resource sets, the L candidate reference signal resource sets correspond to candidate reference signal resource set #0 to candidate reference signal resource set # (L-1) in the figure, and the L identifiers are respectively identifier #0 to identifier # (L-1); any one of the L sets of candidate reference signal resources comprises a positive integer number of reference signal resources greater than 1.

As an embodiment, any one of the L sets of candidate reference signal resources comprises Q1 reference signal resources, said Q1 being a positive integer greater than 1.

As a sub-embodiment of this embodiment, Q1 is equal to 8.

As a sub-embodiment of this embodiment, the Q1 reference signal resources correspond to Q1 TCI-states, respectively.

As a sub-embodiment of this embodiment, at least one of the Q1 reference signal resources is associated to the SSB.

As a sub-embodiment of this embodiment, at least one of the Q1 reference signal resources is a CSI-RS resource.

As an embodiment, the L identifiers are L PCIs.

As an embodiment, any two of the L identifiers are different.

Example 7

Embodiment 7 illustrates a schematic diagram of a first information block, as shown in fig. 7. In fig. 7, the first information block includes a second field, the second field being used to indicate one of the L identities associated with the target reference signal resource; the first information block further comprises a third field used to indicate an identity employed by the first set of time-frequency resources; the first information block further includes a fourth field used to indicate the target reference signal resource.

For one embodiment, the second field includes 16 bits.

For one embodiment, the second domain indicates a PCI.

As an example, the second field indicates a CellGroupId.

As an embodiment, the second domain indicates a TRP identity.

As an embodiment, the third field comprises 4 bits.

As an embodiment, the third field indicates a CORESET ID.

As an embodiment, the fourth field comprises 7 bits.

For one embodiment, the fourth field indicates a TCI State ID.

As an embodiment, the fourth domain indicates the target reference signal resource from the M1 first-type reference signal resources in this application.

As a sub-embodiment of this embodiment, said M1 is equal to 128.

As a sub-embodiment of this embodiment, said M1 is not greater than 128.

Example 8

Embodiment 8 illustrates a schematic diagram of a second information block, as shown in fig. 8. In fig. 8, the second information block includes L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively. Target domains #1 to # L shown in fig. 8 correspond to the L target domains; the destination domain # i shown in fig. 8 is one of the L destination domains, and includes a first subfield # i, a second subfield # i, a third subfield # i, and a fourth subfield # i; the target field # i is used to indicate a candidate reference signal resource set # i of the L candidate reference signal resource sets and an identity # i of the L identities with which the candidate reference signal resource set # i is associated.

As an embodiment, the first sub-domain # i indicates a CORESET Pool ID of a CORESET Pool to which the first time-frequency resource set belongs in a cell corresponding to the identifier # i.

As an embodiment, the first subfield # i occupies 1 bit.

As an embodiment, the second sub-field # i indicates the identification # i.

As an embodiment, the second subfield # i occupies 16 bits.

As one embodiment, the third subfield # i indicates a DL (Downlink) BWP targeted by a BWP (Bandwidth Part) Indicator in the first signaling using the second information block.

As an embodiment, the third subfield # i occupies 2 bits.

As an embodiment, the fourth subfield # i indicates the candidate reference signal resource set # i.

As an embodiment, the number of bits occupied by the fourth subfield # i is not greater than 128.

Example 9

Embodiment 9 illustrates a schematic diagram of another second information block, as shown in fig. 9. In fig. 9, the second information block includes a first target field, a second target field, a third target field, and a fourth target field.

As an embodiment, the first target domain includes L first target sub-domains, and the L first target resources are respectively used to indicate the CORESET Pool IDs of the CORESET Pool to which the first time-frequency resource set belongs in the L cells corresponding to the L identifiers.

As an embodiment, the second target domain includes L second target sub-domains, and the L second target resources are respectively used for indicating the L identifiers.

As an embodiment, the third target zone includes L third target sub-zones, and the L third target resources are respectively used to indicate DL BWPs targeted by a BWP Indicator in the first signaling adopting the second information block in L cells corresponding to the L identifiers.

As an embodiment, the fourth target zone includes L fourth target sub-zones, and the L fourth target resources are respectively used for indicating the L sets of candidate reference signal resources.

As an embodiment, any one of the L first target subfields occupies 1 bit.

As an embodiment, any one of the L second target subfields occupies 16 bits.

As an embodiment, any one of the L third target subfields occupies 2 bits.

As an embodiment, the number of bits occupied by any one of the L fourth target subfields is not greater than 128.

Example 10

Embodiment 10 illustrates a schematic diagram of yet another second information block, as shown in fig. 10. In fig. 10, the second information block includes a first target field and a second target field.

As an embodiment, the first target domain relates to a location of a time-frequency resource where the first set of time-frequency resources is located.

As an embodiment, the second target field is used to indicate the L candidate sets of reference signal resources.

As an embodiment, the first target domain is used to indicate a CORESET Pool ID of a CORESET Pool where the first set of time and frequency resources is located, and the first node assumes that the CORESET Pool IDs of the CORESET pools where the first set of time and frequency resources is located in the L cells corresponding to the L identifiers are the same.

As an embodiment, the first target field is used to indicate DL BWPs targeted by BWP indicators in the first signaling using the second information block in L cells corresponding to the L identities, and the first node assumes that BWP IDs of DL BWPs targeted by the L cells corresponding to the L identities are all the same.

As an embodiment, the second target subfield includes L second target subfields, which are respectively used to indicate the L sets of candidate reference signal resources.

As a sub-embodiment of this embodiment, the L second target sub-domains sequentially indicate the L candidate reference signal resource sets, and the L candidate reference signal resource sets are associated to the L candidate reference signal resource sets from small to large according to the sizes of the L identifiers.

As a sub-embodiment of this embodiment, the L second target sub-domains sequentially indicate the L candidate reference signal resource sets, and the L candidate reference signal resource sets are sequentially associated to the L candidate reference signal resource sets from large to small according to the sizes of the L identifiers.

As a sub-embodiment of this embodiment, the L second target sub-fields are consecutive in the second information block.

As a sub-embodiment of this embodiment, the second information block does not contain bits for explicitly indicating the L identities.

Example 11

Embodiment 11 illustrates a schematic diagram of a third information block, as shown in fig. 11. In fig. 11, the third information block is used to indicate M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from among the M1 first type reference signal resources. Reference signal resources #1 to # M1 of the first type shown in fig. 11 are the M1 reference signal resources of the first type, respectively; the M1 first-type identifiers indicated by the third information block respectively correspond to the M1 first-type reference signals one to one, and any one of the M1 first-type identifiers is one of the L identifiers. The first type identifier #1 to the first type identifier # M1 in fig. 11 correspond to the M1 first type identifiers, respectively.

Example 12

Example 12 illustrates a schematic diagram of an application scenario, as shown in fig. 12. In fig. 12, the L in this application is equal to 2, the L identifiers are a first identifier and a second identifier, the first identifier corresponds to a first cell in a graph, and the second identifier corresponds to a second cell in the graph; the L sets of candidate reference signal resources are a first set of candidate reference signal resources associated to the first cell and a second set of candidate reference signal resources associated to the second cell, respectively; in the figure, a first node moves from a first cell to a second cell and receives a PDCCH by adopting a target reference signal resource; the second set of candidate reference signal resources is the first set of reference signal resources in the present application when the target reference signal resource is associated to the second cell, the first signaling in the present application being used to indicate the first reference signal resource from the second set of candidate reference signal resources.

The ellipses filled with oblique lines in the graph correspond to the beams corresponding to the first candidate reference signal resource set, and the ellipses filled with oblique squares in the graph correspond to the beams corresponding to the second candidate reference signal resource set; the dotted ellipse in the figure corresponds to the beam corresponding to the target reference signal resource.

For one embodiment, the first cell maintains the L sets of candidate reference signal resources.

As an embodiment, the first cell maintains the M1 first type reference signal resources in this application.

As an embodiment, the first cell maintains the L second-type reference signal resource pools in this application.

As an embodiment, the second cell transmits the first signaling.

As an embodiment, the second cell transmits the first signal.

As an embodiment, the second cell transmits the first information block.

As an embodiment, the second cell transmits the second information block.

As an embodiment, the first cell transmits the first information block.

As an embodiment, the first cell transmits the second information block.

As an embodiment, the first cell transmits the third information block.

As an embodiment, the first cell transmits the fourth information block.

Example 13

Embodiment 13 illustrates a block diagram of the structure in a first node, as shown in fig. 13. In fig. 13, a first node 1300 includes a first receiver 1301, a second receiver 1302 and a third receiver 1303.

A first receiver 1301 which receives a first information block and a second information block;

a second receiver 1302, monitoring for first signaling in a first set of time-frequency resources;

a third receiver 1303, receiving the first signal in the second set of time-frequency resources;

in embodiment 13, the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling comprises a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L sets of candidate reference signal resources, the first set of reference signal resources being a set of candidate reference signal resources of the L sets of candidate reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the first information block includes a second field, the second field is used to indicate one of the L identifiers associated with the target reference signal resource, and a bit number occupied by the second field is greater than 5.

For one embodiment, the first receiver 1301 receives a third information block; the third information block is used to indicate M1 first type reference signal resources, M1 is a positive integer greater than 1, the target reference signal resource is one of the M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from the M1 first type reference signal resources.

As an embodiment, the second information block includes L target fields; the L target fields are used to indicate the L candidate sets of reference signal resources and the L identities associated with the L candidate sets of reference signal resources, respectively.

For one embodiment, the first receiver 1301 receives a fourth information block; the fourth information block is used to indicate L second-class reference signal resource pools to which the L candidate reference signal resource sets respectively correspond one-to-one, and the second information block is used to indicate the L candidate reference signal resource sets from the L second-class reference signal resource pools.

For one embodiment, the first receiver 1301 includes at least the first 4 of the antenna 452, the receiver 454, the multi-antenna reception processor 458, the reception processor 456, and the controller/processor 459 in embodiment 4.

For one embodiment, the second receiver 1302 includes at least the first 4 of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, and the controller/processor 459 of embodiment 4.

For one embodiment, the third receiver 1303 includes at least the first 4 of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 in embodiment 4.

Example 14

Embodiment 14 illustrates a block diagram of the structure in a second node, as shown in fig. 14. In fig. 14, the second node 1400 comprises a first transmitter 1401, a second transmitter 1402 and a third transmitter 1403.

A first transmitter 1401 that transmits the first information block and the second information block;

a second transmitter 1402 that transmits first signaling in a first set of time-frequency resources;

a third transmitter 1403, transmitting the first signal in the second set of time-frequency resources;

in embodiment 14, the first information block indicates a target reference signal resource; the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource are quasi co-located, the first signaling includes a first domain, the first domain in the first signaling indicates a first reference signal resource from a first reference signal resource set, and the demodulation reference signal of the channel occupied by the first signal and the first reference signal resource are quasi co-located; the second information block indicates L sets of candidate reference signal resources, L being a positive integer greater than 1, the first set of reference signal resources being one of the L sets of candidate reference signal resources; the target reference signal resource is associated to one of L identities, the L identities being respectively associated to the L sets of candidate reference signal resources, the first set of reference signal resources being a set of candidate reference signal resources of the L sets of candidate reference signal resources associated to a first identity, the first identity being an identity of the L identities associated to the target reference signal resource.

As an embodiment, the demodulation reference signal of the channel occupied by the first signaling has a first QCL relationship with the target reference signal resource, and the DMRS of the channel occupied by the first signal has a second QCL relationship with the first reference signal resource; the first information block includes a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets one by one, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

As an embodiment, the L identifiers respectively indicate L cells; when an identity is used for generating a signal in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, one reference signal resource is associated to one identity indicating one cell when the one reference signal resource is quasi co-located with the SSB of the one cell.

As an example, the first transmitter 1401 transmits a third information block; the third information block is used to indicate M1 first type reference signal resources, M1 is a positive integer greater than 1, the target reference signal resource is one of the M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from the M1 first type reference signal resources.

As an example, the first transmitter 1401 transmits a fourth information block; the fourth information block is used for indicating L second-class reference signal resource pools, the L candidate reference signal resource pools are respectively in one-to-one correspondence with the L second-class reference signal resource pools, and the second information block is used for indicating the L candidate reference signal resource pools from the L second-class reference signal resource pools.

As one example, the first transmitter 1401 includes at least the first 4 of the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475 of example 4.

For one embodiment, the second transmitter 1402 includes at least the first 4 of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 of embodiment 4.

For one embodiment, the third transmitter 1403 includes at least the first 4 of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, and the controller/processor 475 of embodiment 4.

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 in this application includes but not limited to wireless communication devices such as cell-phone, panel computer, notebook, network card, low-power consumption equipment, eMTC equipment, NB-IoT equipment, vehicle communication equipment, vehicle, RSU, aircraft, unmanned aerial vehicle, remote control plane. The second node in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a small 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 aerial base station, an RSU, an unmanned aerial vehicle, a test device, a transceiver device or a signaling tester simulating a partial function of a 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 for use in wireless communications, comprising:

2. The first node of claim 1, wherein the demodulation reference signal of the channel occupied by the first signaling has a first QCL relationship with the target reference signal resource, and wherein the DMRS of the channel occupied by the first signal has a second QCL relationship with the first reference signal resource; the first information block includes a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets in a one-to-one manner, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

3. The first node according to claim 1 or 2, wherein the L identities indicate L cells, respectively; when an identity is used for generating a signal in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, one reference signal resource is associated to one identity indicating one cell when the one reference signal resource is quasi co-located with the SSB of the one cell.

4. The first node according to claim 1 or 2, wherein the L identifiers respectively indicate L cells, an air interface resource occupied by a reference signal resource is indicated by a configuration signaling, an RLC bearer through which the configuration signaling passes is configured by a cellgroupconfiguie, and when an scell configured by the cellgroupconfiguie includes one cell, the reference signal is associated with one identifier indicating the one cell.

5. The first node according to any of claims 1 to 4, wherein the first information block comprises a second field, the second field is used to indicate one of the L identifiers associated with the target reference signal resource, and the number of bits occupied by the second field is greater than 5.

6. The first node according to any of claims 1 to 5, wherein the first receiver receives a third information block; the third information block is used to indicate M1 first type reference signal resources, M1 is a positive integer greater than 1, the target reference signal resource is one of the M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from the M1 first type reference signal resources.

7. The first node according to any of claims 1 to 6, wherein the second information block comprises L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively.

8. The first node according to any of claims 1 to 7, wherein the first receiver receives a fourth information block; the fourth information block is used for indicating L second-class reference signal resource pools, the L candidate reference signal resource pools are respectively in one-to-one correspondence with the L second-class reference signal resource pools, and the second information block is used for indicating the L candidate reference signal resource pools from the L second-class reference signal resource pools.

9. A second node for use in wireless communications, comprising:

10. The second node of claim 9,

the demodulation reference signal of the channel occupied by the first signaling and the target reference signal resource have a first QCL relationship, and the DMRS of the channel occupied by the first signal and the first reference signal resource have a second QCL relationship; the first information block comprises a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets in a one-to-one manner, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

11. The second node according to claim 9, wherein the L identities indicate L cells, respectively; when an identity is used for generating a signal in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, one reference signal resource is associated to one identity indicating one cell when the one reference signal resource is quasi co-located with the SSB of the one cell.

12. The second node of claim 9, wherein the L identifiers respectively indicate L cells, an air interface resource occupied by a reference signal resource is indicated by a configuration signaling, an RLC bearer passed by the configuration signaling is configured through a CellGroupConfig IE, and when a scell configured by the CellGroupConfig IE includes a cell, the reference signal is associated with an identifier indicating the cell.

13. The second node according to claim 9, wherein the first information block includes a second field, the second field is used to indicate one of the L identities associated with the target reference signal resource, and a bit number occupied by the second field is greater than 5.

14. The second node of claim 9, wherein the first transmitter transmits a third information block; the third information block is used to indicate M1 first type reference signal resources, M1 is a positive integer greater than 1, the target reference signal resource is one of the M1 first type reference signal resources, and the first information block is used to indicate the target reference signal resource from the M1 first type reference signal resources.

15. The second node of claim 9, wherein the second block of information comprises L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively.

16. The second node of claim 9, wherein the first transmitter transmits a fourth information block; the fourth information block is used for indicating L second-class reference signal resource pools, the L candidate reference signal resource pools are respectively in one-to-one correspondence with the L second-class reference signal resource pools, and the second information block is used for indicating the L candidate reference signal resource pools from the L second-class reference signal resource pools.

17. A method in a first node in wireless communication, comprising:

receiving a first information block and a second information block;

monitoring for first signaling in a first set of time-frequency resources;

receiving a first signal in a second set of time-frequency resources;

18. The method in the first node according to claim 17, wherein the Demodulation Reference Signal of the channel occupied by the first signaling has a first QCL relationship with the target Reference Signal resource, and the DMRS (Demodulation Reference Signal) of the channel occupied by the first Signal has a second QCL relationship with the first Reference Signal resource; the first information block includes a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets one by one, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

19. Method in a first node according to claim 17 or 18, wherein said L identities indicate L cells, respectively; when an identity is used for generating a signal in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, when a reference Signal resource is quasi-co-located with an SSB (Synchronization Signal/physical broadcast channel Block) of a cell, the reference Signal resource is associated with an identity indicating the cell.

20. The method in the first node according to any of claims 17 to 19, wherein the L identifiers respectively indicate L cells, an air interface resource occupied by a reference signal resource is indicated by a configuration signaling, an RLC (Radio Link Control) Bearer (Bearer) through which the configuration signaling passes is configured through a CellGroupConfig IE (Information Element), and when a scell (Special cell ) configured by the CellGroupConfig IE includes a cell, the reference signal is associated with an identifier indicating the cell.

21. The method in the first node according to any of claims 17 to 20, wherein the first information block comprises a second field, the second field being used to indicate one of the L identities associated with the target reference signal resource, and the number of bits occupied by the second field is greater than 5.

22. A method in a first node according to any of claims 17-21, comprising:

receiving a third information block;

23. Method in a first node according to any of claims 17-22, wherein the second information block comprises L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively.

24. A method in a first node according to any of claims 17-23, comprising:

receiving a fourth information block;

25. A method in a second node in wireless communication, comprising:

transmitting a first information block and a second information block;

transmitting first signaling in a first set of time-frequency resources;

transmitting a first signal in a second set of time-frequency resources;

26. The method in the second node according to claim 25, wherein the demodulation reference signal of the channel occupied by the first signaling has a first QCL relationship with the target reference signal resource, and the DMRS of the channel occupied by the first signal has a second QCL relationship with the first reference signal resource; the first information block comprises a first TCI state indicating the target reference signal resources and the first QCL relationship; the second information block comprises L TCI state sets, the L TCI state sets correspond to the L candidate reference signal resource sets one by one, any one of the L TCI state sets comprises at least one TCI state, and one TCI state in any one of the L TCI state sets indicates one candidate reference signal in the corresponding candidate reference signal resource set and one QCL relationship; the second QCL relationship is indicated by the same TCI status as the first reference signal resource.

27. Method in a second node according to claim 25 or 26,

the L identifiers respectively indicate L cells; when an identity is used for generating signals in one reference signal resource, said one reference signal resource is associated to said one identity; alternatively, one reference signal resource is associated to one identity indicating one cell when the one reference signal resource is quasi co-located with the SSB of the one cell.

28. The method in a second node according to any of claims 25-27,

the L identifiers respectively indicate L cells, air interface resources occupied by a reference signal resource are indicated by a configuration signaling, RLC bearing passed by the configuration signaling is configured through a CellGroupConfigIE, and when Spcell configured by the CellGroupConfigIE comprises a cell, the reference signal is associated to an identifier indicating the cell.

29. The method in a second node according to any of claims 25-28,

the first information block comprises a second field, the second field is used for indicating one of the L identifiers associated with the target reference signal resource, and the bit number occupied by the second field is greater than 5.

30. A method in a second node according to any of claims 25-29, comprising:

transmitting the third information block;

31. The method in a second node according to any of claims 25-30,

the second information block includes L target fields; the L target fields are used to indicate the L sets of candidate reference signal resources, and the L identities associated with the L sets of candidate reference signal resources, respectively.

32. A method in a second node according to any of claims 25-31, comprising:

transmitting the fourth information block;