CN117014111A

CN117014111A - Method and apparatus in a node for wireless communication

Info

Publication number: CN117014111A
Application number: CN202210449141.6A
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: 2022-04-26
Filing date: 2022-04-26
Publication date: 2023-11-07
Also published as: WO2023207703A1

Abstract

A method and apparatus in a node for wireless communication is disclosed. The node firstly monitors PDCCH in a first time-frequency resource set of a first cell; subsequently receiving a first information block, the first information block being used to instruct stopping of execution of a first set of operations for the first cell from a first time; and transmitting target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources; the first set of operations includes sending HARQ-ACKs; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the first information block is generated at a protocol layer below the RRC layer. The application improves the transmission mode of the uplink control information under the dynamic switching scene of the service cell so as to increase the system performance.

Description

Method and apparatus in a node 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 uplink control information transmission in wireless communication.

Background

In the Release-17 system, CPC (Conditional PSCell Change, conditional primary-secondary cell change) and CPA (Conditional PSCell addition, conditional primary-secondary cell addition) are widely discussed and standardized. In CPC/CPA, the terminal needs to release the CPC/CPA configuration after completing the random access to the target PSCell, so the terminal has no opportunity to operate the subsequent CPC/CPA without CPC/CPA pre-configuration, which increases the delay of cell change and increases signaling overhead.

In the discussion of Release-18 subject, a new mechanism and procedure for L1/L2-oriented inter-cell mobility was redesigned to address the CPC/CPA problem.

Disclosure of Invention

Inter-cell mobility management of L1/L2 may result in faster cell changes, especially changes in the special cell (SpCell), compared to conventional serving cell Activation/Deactivation (Activation/Deactivation), and CPC/CPA discussed in Release-17, which may have an impact on the transmission of the physical layer UCI (Uplink Control Information) when the changes occur in granularity of time slots (slots).

In view of the above, the present application discloses a solution. It should be noted that, although the above description is based on the scenario of L1/L2 mobility, the present application is also applicable to other scenarios such as interference measurement, and achieves technical effects similar to those in a ground terminal in a communication scenario supporting L1/L2 mobility. Furthermore, the adoption of a unified solution for different application areas, including but not limited to UCI, also helps to reduce hardware complexity and cost. Embodiments of the application and features in embodiments may be applied to any other node and vice versa without conflict. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.

Further, embodiments of the present application and features of embodiments may be applied to a second node device and vice versa without conflict. In particular, the term (Terminology), noun, function, variable in the present application may be interpreted (if not specifically described) with reference to the definitions in the 3GPP specification protocols TS (Technical Specification) series, TS38 series, TS37 series.

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

monitoring a PDCCH (Physical Downlink Control Channel ) in a first set of time-frequency resources of a first cell; receiving a first information block, the first information block being used to indicate that execution of a first set of operations for the first cell is stopped from a first time;

transmitting target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs (Hybrid Automatic Repeat reQuest Acknowledgement, hybrid automatic repeat request acknowledgements) associated to PDCCHs detected in the first set of time-frequency resources;

wherein the first set of operations includes transmitting HARQ-ACKs on a PUCCH (Physical Uplink Control Channel ) for a cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC (Radio Resource Control ) layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH (Uplink Shared Channel ) on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell.

As an embodiment, the above method is characterized in that: when a serving cell, in particular, a SpCell is dynamically switched, after the dynamic switching signaling is received, the HARQ-ACK which is not transmitted before can be transmitted on the newly switched cell, so that performance loss caused by HARQ loss is avoided.

According to an aspect of the present application, the second set of time-frequency resources is related to a third set of time resources, and PDCCHs detected in the first set of time-frequency resources are used to indicate the third set of time resources.

As an embodiment, the above method is characterized in that: when the reserved PUCCH resources on the cell which is closed by dynamic switching overlap with the reserved PUCCH on the cell which is opened, the corresponding HARQ-ACK is automatically transmitted to the reserved PUCCH resources of the cell which is newly opened.

According to one aspect of the application, it comprises:

receiving a first signaling;

wherein the first signaling indicates a first resource pool to which the second set of time-frequency resources belongs.

According to one aspect of the application, it comprises:

receiving a target signal;

wherein the PDCCH detected in the first set of time-frequency resources is used to determine at least one of frequency domain resources or time domain resources occupied by the target signal; the target signaling includes a HARQ-ACK for the target signal.

According to one aspect of the application, it comprises:

receiving the second signaling and the second signal;

wherein the PDCCH received in the first set of time-frequency resources comprises a first domain and the second signaling comprises a first domain; the second signaling is used to determine at least one of frequency domain resources or time domain resources occupied by the second signal; the target signaling includes HARQ-ACKs for the second signal; the first domain included in the PDCCH and the first domain included in the second signaling are commonly used to determine the number of codebook of HARQ-ACKs included in the target signaling; and the frequency domain resource occupied by the second signal belongs to the second cell.

As an embodiment, the above method is characterized in that: when HARQ-ACK of PDSCH (Physical Downlink Shared Channel ) transmitted in the first cell is moved to the second cell for transmission, HARQ-ACK from the first cell moved to the second cell is counted together with original HARQ-ACK of the second cell, and a HARQ-ACK codebook is generated.

According to one aspect of the application, it comprises:

receiving the second signaling and the second signal;

Wherein the PDCCH received in the first set of time-frequency resources comprises a first domain and the second signaling comprises a first domain; the second signaling is used to determine at least one of frequency domain resources or time domain resources occupied by the second signal; whether the target signaling includes HARQ-ACKs for the second signal is related to a time domain position of a time domain resource occupied by the target signal; and the frequency domain resource occupied by the second signal belongs to the second cell.

As an embodiment, the above method is characterized in that: whether the HARQ-ACK of the PDSCH (Physical Downlink Shared Channel ) transmitted by the first cell is multiplexed with the HARQ-ACK of the second cell is related to the time domain location where the PDSCH transmitted by the first cell is located.

According to one aspect of the application, the target signaling does not include HARQ-ACKs for the second signal when the time domain location of the time domain resource occupied by the target signal is earlier than a time domain location of a time domain resource occupied by the first information block; when the time domain position of the time domain resource occupied by the target signal is later than the time domain position of the time domain resource occupied by the first information block and earlier than the first time, the target signal includes HARQ-ACK for the second signal.

As an embodiment, the above method is characterized in that: when the HARQ-ACK of the PDSCH (Physical Downlink Shared Channel ) transmitted by the first cell and the HARQ-ACK of the second cell are far apart in the time domain, the two HARQ-ACKs are not taken, so that overlong delay is avoided.

According to one aspect of the application, it comprises:

receiving a third signaling;

wherein the time domain location of the time domain resource occupied by the target signal is earlier than a time domain location of a time domain resource occupied by the first information block, the target signaling not including HARQ-ACKs for the second signal; the third signaling is used to determine the target signaling; and the frequency domain resource occupied by the third signaling belongs to the second cell.

As an embodiment, the above method is characterized in that: when the HARQ-ACK of the PDSCH transmitted by the first cell is not multiplexed with the HARQ-ACK of the second cell, introducing a new dynamic signaling to trigger a new PUCCH resource for transmitting the HARQ-ACK of the PDSCH of the first cell in the second cell.

According to one aspect of the application, the first cell and the second cell both belong to a first set of cells, the first set of cells comprising M1 serving cells, the M1 serving cells being associated to M1 identities, respectively, any of the M1 identities being an index other than the serving cell index.

According to one aspect of the application, the first cell and the second cell both belong to a first set of cells, the first set of cells comprising M1 serving cells, the M1 serving cells being associated to one and the same index, respectively.

According to one aspect of the application, the first cell and the second cell both belong to a first set of cells, the first set of cells comprising M1 serving cells, any one of the M1 serving cells being a candidate cell.

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

transmitting the PDCCH in a first time-frequency resource set of a first cell; transmitting a first information block, the first information block being used to instruct stopping of performing a first set of operations for the first cell from a first time;

receiving target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources;

wherein the sender of the target signaling comprises a first node; the first set of operations includes the first node sending HARQ-ACKs on a PUCCH for a cell; the first information block is used to instruct the first node to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes the first node monitoring PDCCH for a respective cell, monitoring PDCCH on a respective cell, transmitting at least one of UL-SCH on a respective cell, and the first set of operations includes the first node transmitting PUCCH on a respective cell.

According to one aspect of the application, the first set of operations includes: the second node receives HARQ-ACKs on PUCCH for the cell.

According to one aspect of the application, the first set of operations includes: and the second node transmits the PDCCH in the corresponding cell aimed at.

According to one aspect of the application, the first set of operations includes: the second node transmits a PDCCH on the corresponding cell.

According to one aspect of the application, the first set of operations includes: the second node receives the UL-SCH on the corresponding cell.

According to one aspect of the application, the first set of operations includes: the second node receives a PUCCH on a corresponding cell.

According to one aspect of the application, it comprises:

transmitting a first signaling;

According to one aspect of the application, it comprises:

Transmitting a target signal;

According to one aspect of the application, it comprises:

transmitting a second signaling and a second signal;

According to one aspect of the application, it comprises:

transmitting a second signaling and a second signal;

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

a first receiver monitoring a PDCCH in a first set of time-frequency resources of a first cell; receiving a first information block, the first information block being used to indicate that execution of a first set of operations for the first cell is stopped from a first time;

a first transmitter transmitting target signaling in a second set of time-frequency resources of a second cell, the target signaling including HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources;

wherein the first set of operations includes transmitting HARQ-ACKs on PUCCH for the cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell.

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

A second transmitter transmitting a PDCCH in a first set of time-frequency resources of a first cell; transmitting a first information block, the first information block being used to instruct stopping of performing a first set of operations for the first cell from a first time;

a second receiver receiving target signaling in a second set of time-frequency resources of a second cell, the target signaling including HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources;

As an embodiment, the present application has advantages over conventional solutions in that: the stability and reliability of UCI transmission are improved.

Drawings

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

FIG. 1 illustrates a process flow diagram of a first node according to one embodiment of the application;

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

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

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

FIG. 5 shows a flow chart of a first information block according to an embodiment of the application;

FIG. 6 shows a flow chart of a target signal according to one embodiment of the application;

fig. 7 shows a flow chart of second signaling and second signals according to an embodiment of the application;

fig. 8 shows a flow chart of third signaling according to an embodiment of the application;

FIG. 9 shows a schematic diagram of a first time and a second time according to one embodiment of the application;

FIG. 10 shows a schematic diagram of a second set of time-frequency resources and a third set of time-frequency resources, according to one embodiment of the application;

FIG. 11 shows a schematic diagram of an application scenario according to one embodiment of the application;

fig. 12 shows a block diagram of a processing arrangement in a first node device according to an embodiment of the application;

fig. 13 shows a block diagram of the processing means in the second node device according to an embodiment of the application.

Detailed Description

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

Example 1

Embodiment 1 illustrates a process 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 monitors a PDCCH in a first set of time-frequency resources of a first cell in step 101; receiving a first information block in step 102, the first information block being used to indicate that execution of a first set of operations for the first cell is stopped from a first time; in step 103, target signaling is transmitted in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources.

In embodiment 1, the first set of operations includes transmitting HARQ-ACKs on PUCCH for the cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell.

As an embodiment, the first cell is a serving cell.

As an embodiment, the first cell is a SpCell.

As an embodiment, the first cell is a Candidate (Candidate) cell.

As an embodiment, the first cell is a Selected (Selected) cell.

As an embodiment, the first cell is a turned-off cell.

As an embodiment, the first cell is a switched-off (Switch-off) cell.

As an embodiment, the first cell supports Dynamic handover (Dynamic Switch).

As an embodiment, the first cell comprises a CC (Component Carrier, carrier component).

As an embodiment, the second cell is a serving cell.

As an embodiment, the second cell is a Spcell.

As an embodiment, the second cell is a Candidate (Candidate) cell.

As an embodiment, the second cell is a Selected (Selected) cell.

As an embodiment, the second cell is a turned-off cell.

As an embodiment, the second cell is a switched-off (Switch-off) cell.

As an embodiment, the second cell supports Dynamic handover (Dynamic Switch).

As an embodiment, the first set of time-frequency resources is associated to at least one CORESET (Control Resource Set, set of control resources).

As an embodiment, the first set of time-frequency resources comprises at least one CORESET in the frequency domain.

As an embodiment, the frequency domain resource occupied by the first set of time-frequency resources corresponds to at least one CORESET.

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

As one embodiment, the first set of time-frequency resources is associated with a set of search spaces.

As one embodiment, the time domain resources occupied by the first set of time-frequency resources are associated to at least one search space.

As one embodiment, the time domain resources occupied by the first set of time-frequency resources are associated to at least one set of search spaces.

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

As an embodiment, the first set of time-frequency resources is temporally prior to the first time.

As one embodiment, the first set of time-frequency resources is associated to a plurality of CORESETs over a plurality of cells.

As one embodiment, the first set of time-frequency resources is associated with a plurality of search spaces over a plurality of cells.

As one embodiment, the first set of time-frequency resources is associated with a plurality of sets of search spaces over a plurality of cells.

As an embodiment, the first set of time-frequency resources comprises at least one PDCCH MO (Monitoring Occasion ) in the time domain.

As an embodiment, the first set of time-frequency resources includes a nearest PDCCH MO preceding the first time in the time domain.

As an embodiment, the monitoring the PDCCH includes: and receiving the PDCCH.

As an embodiment, the monitoring the PDCCH includes: the PDCCH is demodulated.

As an embodiment, the monitoring the PDCCH includes: the PDCCH is decoded.

As an embodiment, the monitoring the PDCCH includes: the PDCCH is determined to be received correctly based on a CRC (Cyclic Redundancy Check ) carried by the PDCCH.

As an embodiment, the monitoring the PDCCH includes: the PDCCH is blindly detected.

As an embodiment, the first information block is transmitted by physical layer signaling.

As an embodiment, the physical layer channel occupied by the first information block includes a PDCCH.

As an embodiment, the first information block is transmitted via (Medium Access Control, media access Control) CE (Control Elements, control granularity).

As an embodiment, the transport channel corresponding to the first information block is DL-SCH (Downlink Shared Channel ).

As an embodiment, the first information block is used for candidate cell handover.

As an embodiment, the first information block is used for serving cell handover.

As an embodiment, the first information block is used for switching of SpCell.

As an embodiment, the first information block is a activation command.

As an embodiment, the first information block is a switch command.

As an embodiment, the first information block is a turn-on command.

As an embodiment, the first information block is a turn-off command.

As an embodiment, the physical layer channel occupied by the first information block includes PDSCH.

As an embodiment, the first time is a time slot.

As an embodiment, the first time is a starting time of a time slot.

As an embodiment, the first time is one OFDM (Orthogonal Frequency Division Multiplexing ) symbol.

As an embodiment, the first time is a starting time of one OFDM symbol.

As an embodiment, the receiving of the first information block ends at a time slot n (encoding), and the first time is a time slot.

As a sub-embodiment of this embodiment, the first time is not later than the time slot (n+k1) time slot, the k1 being a positive integer.

As a sub-embodiment of this embodiment, the first time is not earlier than a time slot (n+k), where k is a positive integer.

As a sub-embodiment of this embodiment, the first time is no later than a time slot (n+k1) time slot, the k1 being a positive integer; and the first time is not earlier than a time slot (n+k), the k being a positive integer.

As an subsidiary embodiment of the sub-embodiment described above, the value of k1 is related to the capabilities of the first node.

As an subsidiary embodiment of the sub-embodiment described above, the value of k1 meets the minimum requirement in TS 38.133 (minimum requirement).

As an additional embodiment of the above sub-embodiment, the value of k is related to SCS (Subcarrier Spacing ) employed by the first cell.

As an subsidiary embodiment of the above sub-embodiment, the value of k is related to the number of slots of the first cell in the SCS next sub-frame employed.

As an additional embodiment of the above sub-embodiment, the value of k is related to the ability of the first node to decode PDCCH.

As an additional embodiment of the above sub-embodiment, the value of k is related to the Capability (Capability) of the first node.

As an subsidiary embodiment of the sub-embodiment described above, the value of k is related to Category of the first node.

As an embodiment, the second time is a time slot.

As an embodiment, the second time is a starting time of a time slot.

As an embodiment, the second time is one OFDM symbol.

As an embodiment, the second time is a starting time of one OFDM symbol.

As an embodiment, the reception of the first information block ends at time slot n (encoding) and the second time is a time slot.

As a sub-embodiment of this embodiment, the second time is no later than the time slot (n+k2) time slot, the k2 being a positive integer.

As a sub-embodiment of this embodiment, the second time is not earlier than the time slot (n+k3), the k3 being a positive integer.

As a sub-embodiment of this embodiment, the second time is no later than a time slot (n+k2) time slot, the k2 being a positive integer; and the first time is not earlier than a time slot (n+k3), the k3 being a positive integer.

As an subsidiary embodiment of the sub-embodiment described above, the value of k2 is related to the capabilities of the first node.

As an subsidiary embodiment of the sub-embodiment described above, the value of k2 meets the minimum requirement in TS 38.133 (minimum requirement).

As an subsidiary embodiment of the above sub-embodiment, the value of k3 is related to the SCS employed by the second cell.

As an auxiliary embodiment of the above sub-embodiment, the value of k3 is related to the number of slots of the second cell in the SCS next sub-frame employed.

As an additional embodiment of the above sub-embodiment, the value of k3 is related to the ability of the first node to decode PDCCH.

As an additional embodiment of the above sub-embodiment, the value of k3 is related to the Capability (Capability) of the first node.

As an subsidiary embodiment of the sub-embodiment described above, said value of k3 is related to Category of said first node.

As an subsidiary embodiment of the sub-embodiment described above, said value of k3 is related to the time consumed for a dynamic handover of the cell of said first node.

As an subsidiary embodiment of the sub-embodiment described above, said value of k3 is related to the capability of a cell dynamic handover of said first node.

As an embodiment, the first time is no later than the second time.

As an embodiment, the second time is later than the first time.

As an embodiment, the first time is earlier than the second time.

As one embodiment, the first set of operations includes listening to a physical downlink control channel on the cell in question.

As an embodiment, the first set of operations includes listening for PDCCH for a cell for which scheduling is intended.

As one embodiment, the first set of operations includes transmitting a PRACH (Physical Random Access Channel ) on the targeted cell.

As one embodiment, the first set of operations includes receiving PDSCH on the targeted cell.

As one embodiment, the first set of operations includes transmitting UL-SCHs on respective cells.

As an embodiment, the first set of operations includes transmitting HARQ-ACKs on PUSCH for the cell.

As one embodiment, the first set of operations includes transmitting CSI (Channel State Information ) on PUCCH for the cell.

As an embodiment, the first set of operations includes transmitting CSI on PUSCH for a cell.

As an embodiment, the physical layer channel occupied by the target signaling includes PUCCH.

As an embodiment, the physical layer channel occupied by the target signaling includes PUSCH.

As an embodiment, the transport channel corresponding to the target signaling includes UL-SCH.

As an embodiment, the target signaling includes CSI.

As an embodiment, the target signaling includes HARQ-ACKs for the PDCCH detected in the first set of time-frequency resources.

As an embodiment, the target signaling includes HARQ-ACKs for PDSCH scheduled by the PDCCH detected in the first set of time-frequency resources.

As an embodiment, the first time is related to the second time.

As a sub-embodiment of this embodiment, the first time is used to determine the second time.

As a sub-embodiment of this embodiment, the time interval between the first time and the second time is fixed.

As a sub-embodiment of this embodiment, the time interval between the first time and the second time is predefined.

As a sub-embodiment of this embodiment, the time interval between the first time and the second time is related to the capabilities of the first node.

As a sub-embodiment of this embodiment, the time interval between the first time and the second time is related to Category of the first node.

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

As an embodiment, the second set of time-frequency resources corresponds to one PUCCH Resource.

As an embodiment, the second set of time-frequency resources corresponds to one PUCCH Resource Set.

Typically, the first set of time-frequency resources is no later than the first time, and the second set of time-frequency resources is no earlier than the second time.

As an embodiment, the first set of time-frequency resources is related to the first time.

As an embodiment, time domain resources occupied by the first set of time-frequency resources are used to determine the first time.

As an embodiment, the time slot occupied by the first set of time-frequency resources is used to determine the first time.

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 of a 5g nr, LTE (Long-Term Evolution) and LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) system. The 5G NR or LTE network architecture 200 may be referred to as EPS (Evolved Packet System ) 200 as some other suitable terminology. 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) 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, EPS provides packet-switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this disclosure 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 gNB203 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, or some other suitable terminology. The gNB203 provides the UE201 with an access point to the EPC/5G-CN 210. Examples of UE201 include a cellular telephone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a non-terrestrial base station communication, a satellite mobile communication, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, an drone, an aircraft, a narrowband internet of things device, a machine-type communication device, a land-based vehicle, an automobile, a wearable device, or any other similar functional device. Those of skill in the art may also refer to the 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-CN 210 through an S1/NG interface. EPC/5G-CN 210 includes MME (Mobility Management Entity )/AMF (Authentication Management Field, authentication management domain)/UPF (User Plane Function ) 211, other MME/AMF/UPF214, S-GW (Service Gateway) 212, and P-GW (Packet Date Network Gateway, packet data network Gateway) 213. The MME/AMF/UPF211 is a control node that handles signaling between the UE201 and the EPC/5G-CN 210. In general, the MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet Protocal, internet protocol) packets are transported through the S-GW212, which 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. Internet services 230 include operator-corresponding internet protocol services, which may include, in particular, the internet, intranets, IMS (IP Multimedia Subsystem ) and packet-switched streaming services.

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

As an embodiment, the UE201 is a terminal with the capability to support dynamic handover of a serving cell.

As an embodiment, the UE201 is a terminal supporting carrier aggregation.

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

As an embodiment, the gNB203 supports serving cell dynamic handover.

As an embodiment, the gNB203 supports support carrier aggregation.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to the application, as shown in fig. 3. Fig. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300, fig. 3 shows the radio protocol architecture for the control plane 300 between a first communication node device (UE, RSU in gNB or V2X) and a second communication node device (gNB, 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 the 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, radio link layer control protocol) 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 the data packets, and the PDCP sublayer 304 also provides handoff support for the first communication node device to the second communication node device. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out of order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell among the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resouce Control, 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 includes layer 1 (L1 layer) and layer 2 (L2 layer), the radio protocol architecture for the first communication node device and the second communication node device in the user plane 350 is substantially the same for the physical layer 351, PDCP sublayer 354 in the L2 layer 355, RLC sublayer 353 in the L2 layer 355 and 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 data packets to reduce radio transmission overhead. Also included in the L2 layer 355 in the user plane 350 is an SDAP (Service Data Adaptation Protocol ) sublayer 356, the SDAP sublayer 356 being responsible for mapping between QoS flows and data radio bearers (DRBs, data Radio Bearer) to support diversity of traffic. Although not shown, the first communication node apparatus 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., remote UE, server, etc.).

As an embodiment, the radio protocol architecture in fig. 3 is applicable to the first node in the present application.

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

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

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

As an embodiment, the monitoring PDCCH in the first set of time-frequency resources in the present application is generated in the PHY301 or the PHY351.

As an embodiment, the monitoring PDCCH in the first set of time-frequency resources in the present application is generated in the MAC302 or the MAC352.

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 target signaling in the present application is generated in the PHY301 or the PHY351.

As an embodiment, the target signaling in the present application is generated in the MAC302 or the MAC352.

As an embodiment, the target signaling in the present application is generated in the RRC306.

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

As an embodiment, the first signaling in the present application is generated in the RRC306.

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

As an embodiment, the target signal in the present application is generated in the MAC302 or the MAC352.

As an embodiment, the target signal in the present application is generated in the RRC306.

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

As an embodiment, the second signaling in the present application is generated in the MAC302 or the MAC352.

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

As an embodiment, the second signal in the present application is generated in the MAC302 or the MAC352.

As an embodiment, the second signal in the present application is generated in the RRC306.

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

As an embodiment, the third signaling in the present application is generated in the MAC302 or the MAC352.

As an embodiment, the first node is a terminal.

As an embodiment, the second node is a terminal.

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

As an embodiment, the second node is a Cell.

As an embodiment, the second node is an eNB.

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

As one embodiment, the second node is used to manage a plurality of TRPs.

As an embodiment, the second node is a node for managing a plurality of cells.

As an embodiment, the first node is capable of accessing multiple cells simultaneously.

Example 4

Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the 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 communication 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 communication device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multi-antenna receive processor 472, a multi-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, upper layer data packets from the core network are provided to a controller/processor 475 at the second communication device 410. The controller/processor 475 implements the functionality of the L2 layer. In the transmission from the second communication device 410 to the first communication device 450, a controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the first communication 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., physical layer). Transmit processor 416 performs coding and interleaving to facilitate Forward Error Correction (FEC) at the second communication device 410, as well as mapping of signal clusters 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 digitally space-precodes the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, to generate one or more spatial streams. A transmit processor 416 then maps each spatial stream to a subcarrier, 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 a physical channel carrying the time domain multicarrier symbol stream. 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 multiple antenna transmit processor 471 to a radio frequency stream and then provides it to a different antenna 420.

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

In the transmission from the first communication device 450 to the second communication device 410, a data source 467 is used at the first communication device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit functions at the second communication device 410 described in the transmission from the second communication device 410 to the first communication device 450, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocations, implementing L2 layer functions for the user and control planes. The controller/processor 459 is also responsible for retransmission of lost packets and signaling to the second communication device 410. The transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming, with the multi-antenna transmit processor 457 performing digital multi-antenna spatial precoding, after which the transmit processor 468 modulates the resulting spatial stream into a multi-carrier/single-carrier symbol stream, which is analog precoded/beamformed in the multi-antenna transmit processor 457 before being provided to the different antennas 452 via the transmitter 454. 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 it to an antenna 452.

In the transmission from the first communication device 450 to the second communication device 410, the function at the second communication device 410 is similar to the receiving function 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 radio frequency signals through its corresponding antenna 420, converts the received radio frequency 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 multi-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 the transmission from the first communication device 450 to the second communication device 410, a controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the UE 450. Upper layer packets from the controller/processor 475 may be provided to the 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 are configured to, with the at least one processor, cause the apparatus of the first communication device 450 to at least: firstly, monitoring PDCCH in a first time-frequency resource set of a first cell; subsequently receiving a first information block, the first information block being used to instruct stopping of execution of a first set of operations for the first cell from a first time; and transmitting target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources; the first set of operations includes transmitting HARQ-ACKs on a PUCCH for a cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell.

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, produce acts comprising: firstly, monitoring PDCCH in a first time-frequency resource set of a first cell; subsequently receiving a first information block, the first information block being used to instruct stopping of execution of a first set of operations for the first cell from a first time; and transmitting target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources; the first set of operations includes transmitting HARQ-ACKs on a PUCCH for a cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell.

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, transmitting PDCCH in a first time-frequency resource set of a first cell; then transmitting a first information block, the first information block being used to instruct stopping of performing a first set of operations for the first cell from a first time; and receiving target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources; the sender of the target signaling comprises a first node; the first set of operations includes the first node sending HARQ-ACKs on a PUCCH for a cell; the first information block is used to instruct the first node to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes the first node monitoring PDCCH for a respective cell, monitoring PDCCH on a respective cell, transmitting at least one of UL-SCH on a respective cell, and the first set of operations includes the first node transmitting PUCCH on a respective cell.

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, produce acts comprising: firstly, transmitting PDCCH in a first time-frequency resource set of a first cell; then transmitting a first information block, the first information block being used to instruct stopping of performing a first set of operations for the first cell from a first time; and receiving target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources; the sender of the target signaling comprises a first node; the first set of operations includes the first node sending HARQ-ACKs on a PUCCH for a cell; the first information block is used to instruct the first node to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes the first node monitoring PDCCH for a respective cell, monitoring PDCCH on a respective cell, transmitting at least one of UL-SCH on a respective cell, and the first set of operations includes the first node transmitting PUCCH on a respective cell.

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.

As an embodiment, the first communication device 450 is a UE.

As an embodiment, the first communication device 450 is a terminal.

As an embodiment, the second communication device 410 is a base station.

As an embodiment, the second communication device 410 is a UE.

As an embodiment, the second communication device 410 is a network device.

As an embodiment, the second communication device 410 is a serving cell.

As an embodiment, the second communication device 410 is a TRP.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processors 459 are used to monitor PDCCH in a first set of time-frequency resources of a first cell; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controllers/processors 475 are used to transmit PDCCHs in a first set of time-frequency resources of a first cell.

As an embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processors 459 are used to receive a first block of information; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processors 475 are used to transmit a first block of information.

As one implementation, the antenna 452, the transmitter 454, the multi-antenna transmit processor 457, the transmit processor 468, at least the first four of the controller/processor 459 are used to transmit target signaling in a second set of time-frequency resources of a second cell; the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, at least the first four of the controllers/processors 475 are used to receive target signaling in a second set of time-frequency resources of a second cell.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processors 459 are used to receive first signaling; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processors 475 are used to transmit first signaling.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processor 459 are used to receive a target signal; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processor 475 are used to transmit target signals.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processors 459 are used to receive second signaling; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processor 475 are used to transmit second signaling.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processor 459 are used to receive a second signal; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processor 475 are used to transmit a second signal.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processor 459 are used to receive third signaling; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processor 475 are used to transmit third signaling.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processors 459 are configured to stop performing a first set of operations for the first cell from a first time; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controller/processors 475 are used to cease performing the first set of operations for the first cell from a first time.

As one embodiment, the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, at least the first four of the controller/processors 459 are used to perform the first set of operations for the second cell from a second time; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four of the controllers/processors 475 are used to perform the first set of operations for the second cell from a second time.

As one implementation, the antenna 452, the transmitter 454, the multi-antenna transmit processor 457, the transmit processor 468, at least the first four of the controller/processor 459 are used to stop performing a first set of operations for the first cell from a first time; the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, at least the first four of the controller/processors 475 are used to stop performing a first set of operations for the first cell from a first time.

As one implementation, the antenna 452, the transmitter 454, the multi-antenna transmit processor 457, the transmit processor 468, at least the first four of the controller/processor 459 are used to perform the first set of operations for the second cell from a second time; the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, at least the first four of the controllers/processors 475 are used to perform the first set of operations for the second cell from a second time.

Example 5

Embodiment 5 illustrates a flow chart of a first information block, as shown in fig. 5. In fig. 5, the first node U1 and the second node N2 communicate via a wireless link. It is specifically explained that the order in the present embodiment is not limited to the order of signal transmission and the order of implementation in the present application. The embodiment, sub-embodiment and subsidiary embodiment in embodiment 5 can be used in embodiments 6 to 8 without conflict; likewise, without conflict, embodiments, sub-embodiments and sub-embodiments of any one of embodiments 6 to 8 can be used for embodiment 5.

For the followingFirst node U1Receiving a first signaling in step S10; monitoring a PDCCH in a first set of time-frequency resources of a first cell in step S11; receiving a first information block in step S12; the target signaling is transmitted in a second set of time-frequency resources of a second cell in step S13.

For the followingSecond node N2Transmitting a first signaling in step S20; transmitting the PDCCH in a first set of time-frequency resources of a first cell in step S21; transmitting a first information block in step S22; the target signaling is received in a second set of time-frequency resources of a second cell in step S23.

In embodiment 5, the first set of operations includes transmitting HARQ-ACKs on PUCCH for the cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell; the first signaling indicates a first resource pool to which the second set of time-frequency resources belongs.

Typically, the second set of time-frequency resources is related to a third set of time-frequency resources, and PDCCHs detected in the first set of time-frequency resources are used to indicate the third set of time-frequency resources.

As an embodiment, the third set of time-frequency resources occupies a positive integer number of REs greater than 1.

As an embodiment, the third set of time-frequency resources corresponds to one PUCCH Resource.

As an embodiment, the third set of time-frequency resources corresponds to one PUCCH Resource Set.

As an embodiment, the second set of time-frequency resources is related to the third set of time-frequency resources.

As a sub-embodiment of this embodiment, there is an overlap between the time slot to which the second set of time-frequency resources belongs and the time slot to which the third set of time-frequency resources belongs.

As a sub-embodiment of this embodiment, the SCS (Subcarrier Spacing ) of the second set of time-frequency resources is the same as the SCS of the third set of time-frequency resources, and the time slot to which the second set of time-frequency resources belongs is the same time slot as the time slot to which the third set of time-frequency resources belongs.

As a sub-embodiment of this embodiment, the SCS of the third set of time-frequency resources is different from the SCS of the second set of time-frequency resources, and the time slot to which the second set of time-frequency resources belongs overlaps with the time slot to which the third set of time-frequency resources belongs and the starting time is not earlier than the earliest one of the starting times of the time slots to which the third set of time-frequency resources belongs.

As an embodiment, the second set of time-frequency resources is on the second cell.

As an embodiment, the second set of time-frequency resources is reserved for HARQ-ACKs associated to PDCCHs detected in the fourth set of time-frequency resources.

As an embodiment, the second set of time-frequency resources is reserved for HARQ-ACKs associated to PDSCH scheduled by PDCCH detected in the fourth set of time-frequency resources.

As an embodiment, the fourth set of time-frequency resources is on the second cell.

As an embodiment, the fourth set of time-frequency resources is associated to at least one CORESET.

As an embodiment, the fourth set of time-frequency resources comprises at least one CORESET in the frequency domain.

As an embodiment, the frequency domain resource occupied by the fourth set of time-frequency resources corresponds to at least one CORESET.

As an embodiment, the fourth set of time-frequency resources is associated to a search space.

As an embodiment, the fourth set of time-frequency resources is associated to a set of search spaces.

As an embodiment, the time domain resources occupied by the fourth set of time-frequency resources are associated to at least one search space.

As one embodiment, the time domain resources occupied by the fourth set of time-frequency resources are associated to at least one set of search spaces.

As an embodiment, the fourth set of time-frequency resources occupies a positive integer number of REs greater than 1.

As an embodiment, the fourth set of time-frequency resources is temporally prior to the first time.

As one embodiment, the fourth set of time-frequency resources is associated to a plurality of CORESETs over a plurality of cells.

As one embodiment, the fourth set of time-frequency resources is associated with a plurality of search spaces over a plurality of cells.

As one embodiment, the fourth set of time-frequency resources is associated with a plurality of sets of search spaces over a plurality of cells.

As one embodiment, the first set of time-frequency resources is associated with the fourth set of time-frequency resources.

As an embodiment, the third set of time-frequency resources is on the first cell; the third set of time-frequency resources is reserved for HARQ-ACKs associated with PDCCHs detected in the first set of time-frequency resources.

As an embodiment, the third set of time-frequency resources is on the first cell; the third set of time-frequency resources is reserved for HARQ-ACKs of the PDSCH scheduled in association with PDCCHs detected in the first set of time-frequency resources.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to determine that the target signaling includes HARQ-ACKs associated to the PDCCH detected in the first set of time-frequency resources.

As an embodiment, the first signaling comprises RRC signaling.

As an embodiment, the first resource pool comprises one PUCCH Resource Set.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to indicate the second set of time-frequency resources from the first resource pool.

As an embodiment, the number of bits of UCI carried by the target signaling is used to determine the first resource pool.

As an embodiment, the number of bits of UCI carried by the target signaling is used to determine the first resource pool from a plurality of resource pools.

Typically, the first cell and the second cell both belong to a first set of cells, the first set of cells comprising M1 serving cells, the M1 serving cells being associated to M1 identities, respectively, any of the M1 identities being an index other than the serving cell index.

Typically, both the first cell and the second cell belong to a first set of cells, the first set of cells comprising M1 serving cells, the M1 serving cells being associated to one and the same index, respectively.

Typically, the first cell and the second cell belong to a first cell set, the first cell set includes M1 serving cells, and any one of the M1 serving cells is a candidate cell.

Example 6

Example 6 illustrates a flow chart of a target signal, as shown in fig. 6. In fig. 6, the first node U3 and the second node N4 communicate via a wireless link. It is specifically explained that the order in the present embodiment is not limited to the order of signal transmission and the order of implementation in the present application. The embodiment, sub-embodiment and subsidiary embodiment in embodiment 6 can be used in embodiments 5 to 8 without conflict; likewise, without conflict, embodiments, sub-embodiments and sub-embodiments of any one of embodiments 5 to 8 can be used for embodiment 6.

For the followingFirst node U3The target signal is received in step S30.

For the followingSecond node N4In step S40, a target signal is transmitted.

In embodiment 6, the PDCCH detected in the first set of time-frequency resources is used to determine at least one of frequency domain resources or time domain resources occupied by the target signal; the target signaling includes a HARQ-ACK for the target signal.

As an embodiment, the physical layer channel occupied by the target signal includes PDSCH.

As an embodiment, the transport channel corresponding to the target signal is DL-SCH.

As an embodiment, the target signal is generated by a TB (Transport Block).

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to schedule the target signal.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to indicate time-domain resources occupied by the target signal.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to indicate frequency domain resources occupied by the target signal.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to indicate an MCS (Modulation and Coding Scheme, modulation coding scheme) employed by the target signal.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to indicate NDI (New Data Indicator, new data indication) corresponding to the target signal.

As an embodiment, the PDCCH detected in the first set of time-frequency resources is used to indicate an RV (Redundancy Version ) to which the target signal corresponds.

As an example, the step S30 is located after the step S11 and before the step S12 in the example 5.

As an example, the step S40 is located after the step S21 and before the step S22 in the example 5.

As an example, the step S30 is located after the step S12 and before the step S13 in the example 5.

As an example, the step S40 is located after the step S22 and before the step S23 in the example 5.

Example 7

Embodiment 7 illustrates a second signaling and a flow chart of the second signal as shown in fig. 7. In fig. 7, the first node U5 and the second node N6 communicate via a wireless link. It is specifically explained that the order in the present embodiment is not limited to the order of signal transmission and the order of implementation in the present application. The embodiment, sub-embodiment and subsidiary embodiment in embodiment 7 can be used in embodiments 5 to 8 without conflict; likewise, without conflict, embodiments, sub-embodiments and sub-embodiments of any one of embodiments 5 to 8 can be used for embodiment 7.

For the followingFirst node U5The second signaling is received in step S50 and the second signal is received in step S51.

For the followingSecond node N6The second signaling is sent in step S60 and the second signal is sent in step S61.

In embodiment 7, the PDCCH received in the first set of time-frequency resources includes a first domain, and the second signaling includes the first domain; the second signaling is used to determine at least one of frequency domain resources or time domain resources occupied by the second signal; and the frequency domain resource occupied by the second signal belongs to the second cell.

Typically, the target signaling includes a HARQ-ACK for the second signal; the first domain included in the PDCCH and the first domain included in the second signaling are commonly used to determine the number of codebook of HARQ-ACKs included in the target signaling.

As an embodiment, the frequency domain resource occupied by the second signaling belongs to the second cell.

As an embodiment, the frequency domain resource occupied by the second signaling belongs to a cell other than the second cell.

As an embodiment, the frequency domain resource occupied by the second signaling belongs to a cell other than the first cell.

As an embodiment, the frequency domain resources occupied by the second signaling belong to the fourth set of time-frequency resources.

As an embodiment, the physical layer channel occupied by the second signaling includes PDCCH.

As an embodiment, the second signaling is a DCI (Downlink Control Information ).

As an embodiment, the second signaling is used to indicate time domain resources occupied by the second signal.

As an embodiment, the second signaling is used to indicate frequency domain resources occupied by the second signal.

As an embodiment, the second signaling is used to indicate the MCS employed by the second signal.

As an embodiment, the second signaling is used to indicate NDI corresponding to the second signal.

As an embodiment, the second signaling is used to indicate an RV to which the second signal corresponds.

As an embodiment, the first domain included in the PDCCH received in the first set of time-frequency resources is a DAI domain.

For one embodiment, the first Field included in the second signaling is a DAI (Downlink Assignment Index ) Field (Field).

As an embodiment, the PDCCH and the second signaling received in the first set of time-frequency resources are used simultaneously to determine the second set of time-frequency resources.

As an embodiment, the PDCCH and the second signaling received in the first set of time-frequency resources are used simultaneously to determine the time-domain resources occupied by the second set of time-frequency resources.

As an embodiment, only the second signaling of the PDCCH and the second signaling received in the first set of time-frequency resources is used to determine the second set of time-frequency resources.

As an embodiment, only the second signaling of the PDCCH and the second signaling received in the first set of time-frequency resources is used to determine time-domain resources occupied by the second set of time-frequency resources.

As an embodiment, the target signal and the second signal are used simultaneously to determine time domain resources occupied by the second set of time-frequency resources.

As an embodiment, only the second signal of the target signal and the second signal is used for determining the time domain resources occupied by the second set of time-frequency resources.

As an embodiment, the first node determines time domain resources occupied by the second set of time-frequency resources according to the second signaling and the second signal.

Typically, whether the target signaling includes HARQ-ACKs for the second signal is related to the time domain position of the time domain resources occupied by the target signal.

Typically, the target signaling does not include HARQ-ACKs for the second signal when the time domain location of the time domain resource occupied by the target signal is earlier than a time domain location of a time domain resource occupied by the first information block; when the time domain position of the time domain resource occupied by the target signal is later than the time domain position of the time domain resource occupied by the first information block and earlier than the first time, the target signal includes HARQ-ACK for the second signal.

Typically, when the time domain location of the time domain resource occupied by the target signal is earlier than a given time, the target signaling does not include HARQ-ACKs for the second signal; when the time domain location of the time domain resource occupied by the target signal is later than the given time, the target signaling includes a HARQ-ACK for the second signal.

As an embodiment, the given time is a time slot.

As an embodiment, the given time is the starting time of a time slot.

As an embodiment, the given time is the expiration of a time slot.

As an embodiment, the given time is one OFDM symbol.

As an embodiment, the given time is a starting time of an OFDM.

As an embodiment, the given time is an expiration time of one OFDM.

As an embodiment, the given time is related to a time domain position of a time domain resource occupied by the first information block.

As an embodiment, the given time is related to a time domain position of a time domain resource occupied by the PDCCH monitored in the first set of time-frequency resources.

As an embodiment, the given time is related to a time domain position of a time domain resource occupied by the target signal.

As an embodiment, the given time is related to a time domain position of a time domain resource occupied by the second signaling.

As an embodiment, the given time is related to a time domain position of a time domain resource occupied by the second signal.

As an example, the step S50 is located after the step S11 and before the step S12 in the example 5.

As an example, the step S50 is located after the step S12 and before the step S13 in the example 5.

As an example, the step S51 is located after the step S11 and before the step S12 in the example 5.

As an example, the step S51 is located after the step S12 and before the step S13 in the example 5.

As an example, the step S60 is located after the step S21 and before the step S22 in the example 5.

As an example, the step S61 is located after the step S21 and before the step S22 in the example 5.

As an example, the step S60 is located after the step S22 and before the step S23 in the example 5.

As an example, the step S61 is located after the step S22 and before the step S23 in the example 5.

Example 8

Embodiment 8 illustrates a flow chart of a third signaling, as shown in fig. 8. In fig. 8, the first node U7 communicates with the second node N8 via a wireless link. It is specifically explained that the order in the present embodiment is not limited to the order of signal transmission and the order of implementation in the present application. The embodiment, sub-embodiment and subsidiary embodiment in embodiment 8 can be used in embodiments 5 to 7 without conflict; likewise, without conflict, embodiments, sub-embodiments and sub-embodiments of any one of embodiments 5 to 7 can be used for embodiment 8.

For the followingFirst node U7In step S70, a third signaling is received.

For the followingSecond node N8In step S80, a third signaling is sent.

In embodiment 8, the time domain location of the time domain resource occupied by the target signal is earlier than the time domain location of the time domain resource occupied by the first information block, the target signaling not including HARQ-ACKs for the second signal; the third signaling is used to determine the target signaling; and the frequency domain resource occupied by the third signaling belongs to the second cell.

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

As an embodiment, the third signaling is used to trigger the sending of the target signaling.

As an embodiment, the second set of time-frequency resources is the earliest one available PUCCH resource on the second cell after the time-domain resources occupied by the third signaling.

As an example, the step S70 is located before the step S13 in the example 5, and after the step S12.

As an example, the step S80 is located before the step S23 and after the step S22 in the example 5.

Example 9

Example 9 illustrates a schematic diagram of a first time and a second time, as shown in fig. 9. In fig. 9, the first node receives the first information block at a target time; and the first node stops executing the first set of operations for the first cell from a first time and executes the second set of operations for the second cell from a second time; in the figure, the target time to the first time belongs to a first time window, and the first time to the second time belongs to a second time window.

As an embodiment, the target time is a time slot.

As an embodiment, the target time is one OFDM symbol.

As an embodiment, the target time is a starting time of one OFDM symbol.

As an embodiment, the target time is a starting time of a time slot.

As one embodiment, the PDCCH in the first set of time-frequency resources is received before the target time.

As an embodiment, the PDCCH in the first set of time-frequency resources is received in the first time window.

As one embodiment, the target signal is received before the target time.

As one embodiment, the target signal is received in the first time window.

As an embodiment, the second signal is received in the first time window.

As an embodiment, the second signal is received in the second time window.

Example 10

Embodiment 10 illustrates a schematic diagram of a second set of time-frequency resources and a third set of time-frequency resources, as shown in fig. 10. In fig. 10, the second set of time-frequency resources and the third set of time-frequency resources are on the first cell and the second cell, respectively.

As an embodiment, the time domain resources occupied by the second time-frequency resource set and the time domain resources occupied by the third time-frequency resource set overlap.

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

As an embodiment, the second set of time-frequency Resources corresponds to one PUCCH Resource or multiple PUCCH Resources.

As an embodiment, the third set of time-frequency Resources corresponds to one PUCCH Resource or multiple PUCCH Resources.

Example 11

Embodiment 11 illustrates a schematic diagram of an application scenario, as shown in fig. 11. In fig. 11, the first cell and the second cell are both serving cells of the first node, and the first node performs layer 1/layer 2 dynamic handover between the first cell and the second cell.

As an embodiment, the first cell is a SpCell.

As an embodiment, the second cell is a SpCell.

As an embodiment, the first node may only have one SpCell at a given time, where the SpCell is one cell in a first set of cells, where the first set of cells includes the first cell and the second cell.

Example 12

Embodiment 12 illustrates a block diagram of the structure in a first node, as shown in fig. 12. In fig. 12, a first node 1200 includes a first receiver 1201 and a first transmitter 1202.

A first receiver 1201 monitoring PDCCH in a first set of time-frequency resources of a first cell; receiving a first information block, the first information block being used to indicate that execution of a first set of operations for the first cell is stopped from a first time;

a first transmitter 1202 that transmits target signaling in a second set of time-frequency resources of a second cell, the target signaling including HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources;

In embodiment 12, the first set of operations includes transmitting HARQ-ACKs on PUCCH for the cell; the first information block is used to indicate to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes monitoring a PDCCH for a respective cell, monitoring the PDCCH on the respective cell, transmitting at least one of an UL-SCH on the respective cell, and the first set of operations includes transmitting a PUCCH on the respective cell.

As an embodiment, the second set of time-frequency resources is related to a third set of time-frequency resources, and the PDCCH detected in the first set of time-frequency resources is used to indicate the third set of time-frequency resources.

As one embodiment, it comprises:

the first receiver 1201 receives a first signaling;

As one embodiment, it comprises:

the first receiver 1201 receives a target signal;

As one embodiment, it comprises:

the first receiver 1201 receives a second signaling and a second signal;

As one embodiment, it comprises:

the first receiver 1201 receives a second signaling and a second signal;

As an embodiment, the target signaling does not include HARQ-ACKs for the second signal when the time domain location of the time domain resource occupied by the target signal is earlier than a time domain location of a time domain resource occupied by the first information block; when the time domain position of the time domain resource occupied by the target signal is later than the time domain position of the time domain resource occupied by the first information block and earlier than the first time, the target signal includes HARQ-ACK for the second signal.

As one embodiment, it comprises:

the first receiver 1201 receives a third signaling;

As an embodiment, the first cell and the second cell both belong to a first set of cells, the first set of cells comprising M1 serving cells, the M1 serving cells being associated to M1 identities, respectively, any one of the M1 identities being an index other than the serving cell index.

As an embodiment, the first cell and the second cell both belong to a first set of cells, the first set of cells comprising M1 serving cells, the M1 serving cells being associated to one and the same index, respectively.

As an embodiment, the first cell and the second cell belong to a first cell set, the first cell set includes M1 serving cells, and any serving cell of the M1 serving cells is a candidate cell.

As an embodiment, the first receiver 1201 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 in embodiment 4.

As one example, the first transmitter 1202 includes at least the first 4 of the antenna 452, the transmitter 454, the multi-antenna transmit processor 457, the transmit processor 468, the controller/processor 459 in example 4.

Example 13

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

A second transmitter 1301 that transmits a PDCCH in a first set of time-frequency resources of a first cell; transmitting a first information block, the first information block being used to instruct stopping of performing a first set of operations for the first cell from a first time;

A second receiver 1302 that receives target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources;

in embodiment 13, the sender of the target signaling comprises a first node; the first set of operations includes the first node sending HARQ-ACKs on a PUCCH for a cell; the first information block is used to instruct the first node to perform the first set of operations for the second cell starting from a second time; the second time is not earlier than the first time; the first information block is generated at a protocol layer below an RRC layer; the first set of operations includes the first node monitoring PDCCH for a respective cell, monitoring PDCCH on a respective cell, transmitting at least one of UL-SCH on a respective cell, and the first set of operations includes the first node transmitting PUCCH on a respective cell.

As an embodiment, the first set of operations includes: the second node receives HARQ-ACKs on PUCCH for the cell.

As an embodiment, the first set of operations includes: and the second node transmits the PDCCH in the corresponding cell aimed at.

As an embodiment, the first set of operations includes: the second node transmits a PDCCH on the corresponding cell.

As an embodiment, the first set of operations includes: the second node receives the UL-SCH on the corresponding cell.

As an embodiment, the first set of operations includes: the second node receives a PUCCH on a corresponding cell.

As one embodiment, it comprises:

the second transmitter 1301 transmits a first signaling;

As one embodiment, it comprises:

the second transmitter 1301 transmits a target signal;

As one embodiment, it comprises:

The second transmitter 1301 transmits a second signaling and a second signal;

As one embodiment, it comprises:

the second transmitter 1301 transmits a second signaling and a second signal;

As one example, the second transmitter 1301 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 example 4.

As one example, the second receiver 1302 includes at least the first 4 of the antenna 420, the receiver 418, the multi-antenna receive processor 472, the receive processor 470, and the controller/processor 475 of example 4.

Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described methods may be implemented by a program that instructs associated hardware, and the program may be stored on 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 using one or more integrated circuits. Accordingly, each module unit in the above embodiment may be implemented in a hardware form or may be implemented in a software functional module form, and the present application is not limited to any specific combination of software and hardware. The first node in the present application includes, but is not limited to, a mobile phone, a tablet computer, a notebook, an internet card, a low power device, an eMTC device, an NB-IoT device, a vehicle-mounted communication device, a vehicle, an RSU, an aircraft, an airplane, an unmanned plane, a remote control airplane, and other wireless communication devices. 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 receiving node TRP, a GNSS, a relay satellite, a satellite base station, an air base station, an RSU, a drone, a test device, a transceiver device or a signaling tester for example, which simulates a function of a part of a base station, and the like.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should 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 second set of time-frequency resources relates to a third set of time-frequency resources, and PDCCH detected in the first set of time-frequency resources is used to indicate the third set of time-frequency resources.

3. The first node according to claim 1 or 2, characterized by comprising:

the first receiver receives a first signaling;

4. A first node according to any of claims 1 to 3, characterized by comprising:

the first receiver receives a target signal;

5. The first node according to any of claims 1 to 4, characterized by comprising:

the first receiver receives a second signaling and a second signal;

6. The first node according to any of claims 1 to 4, characterized by comprising:

the first receiver receives a second signaling and a second signal;

7. The first node of claim 6, wherein; when the time domain position of the time domain resource occupied by the target signal is earlier than the time domain position of the time domain resource occupied by the first information block, the target signaling does not include HARQ-ACK for the second signal; when the time domain position of the time domain resource occupied by the target signal is later than the time domain position of the time domain resource occupied by the first information block and earlier than the first time, the target signal includes HARQ-ACK for the second signal.

8. The first node of claim 7, comprising:

the first receiver receives a third signaling;

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

10. A method in a first node for use in wireless communications, comprising:

monitoring PDCCH in a first time-frequency resource set of a first cell; receiving a first information block, the first information block being used to indicate that execution of a first set of operations for the first cell is stopped from a first time;

transmitting target signaling in a second set of time-frequency resources of a second cell, the target signaling comprising HARQ-ACKs associated to PDCCHs detected in the first set of time-frequency resources;

11. A method in a second node for use in wireless communications, comprising: