CN115209355B

CN115209355B - Method and apparatus in a node for wireless communication

Info

Publication number: CN115209355B
Application number: CN202110399376.4A
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: 2021-04-14
Filing date: 2021-04-14
Publication date: 2024-03-26
Anticipated expiration: 2041-04-14
Also published as: CN115209355A

Abstract

A method and apparatus in a node for wireless communication is disclosed. The node first receives first signaling, wherein the first signaling is used for activating or releasing signals of a first type; then transmitting a target information block in the first resource set; a first field in the first signaling is used to indicate a first time offset value, a target time unit occupied by the first set of resources being related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling and the first type of signals are directed to different services; the first reference time unit is associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second set of search spaces. The method for determining the PUCCH resources during the next new SPS activation or deactivation of multicast is provided to improve the system flexibility and optimize 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 feedback information transmission in wireless communication.

Background

In conventional LTE (Long-Term Evolution) and LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) systems, a base station supports a terminal To receive multicast and multicast services through an MBSFN (Multicast Broadcast Single Frequency Network ) and an SC-PTM (Single-Cell Point-To-Multipoint) mode. How to support transmission of Multicast (Multicast) and Broadcast (Broadcast) traffic under 5G architecture has been discussed in the NR (New Radio) R (release) -17 standard. Among these, two PTM transmission schemes are under discussion, one is a Group Common (Common) PDCCH (Physical Downlink Control Channel ) scheduling Group Common PDSCH (Physical Downlink Shared Channel, physical downlink shared channel), and the other is a User Equipment (UE) dedicated PDCCH scheduling Group Common PDSCH.

Disclosure of Invention

Currently, a scheme for PTM (Point-To-Multipoint) transmission is being discussed, and in MBS (Multicast Broadcast Sevvice, multicast broadcast service) scenario, existing SPS (Semi-Persistent Scheduling ) transmission is still supported. In the 5G NR system, whether the transmission of the signaling for activating/releasing SPS is correctly received or not requires the terminal side to feed back through PUCCH (Physical Uplink Control Channel ) or PUSCH (Physical Uplink Shared Channel, physical uplink shared channel), and based on the discussion of the existing PTM transmission mode, the PDCCH Specific to the user equipment may schedule the data transmission of the MBS service, so how to determine the time-frequency resource occupied by the feedback for activating or releasing the MBS service when activating or releasing the SPS transmission under the MBS service through the PDCCH of UE-Specific is a problem to be solved.

In view of the above, the present application discloses a solution. It should be noted that, although the above description uses a communication scenario of PTM as an example, the present application is also applicable To other scenarios such as unicast systems, and achieves technical effects similar To those in PTM (Point-To-Multipoint). Furthermore, the adoption of a unified solution for different scenarios (including but not limited to PTM) also helps to reduce hardware complexity and cost. Embodiments and features of embodiments in any node of the present application may be applied to any other node and vice versa without conflict. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

In view of the above problems, the present application discloses a method and apparatus for transmitting feedback information. It should be noted that, without conflict, the embodiments in the user equipment and the features in the embodiments of the present application may be applied to the base station, and vice versa. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict. Further, although the present application is primarily directed to cellular networks, the present application can also be used for internet of things as well as internet of vehicles. Further, while the present application is primarily directed to multi-carrier communications, the present application can also be used for single carrier communications. Further, while the present application is initially directed to multicast, the present application can also be used for unicast communications. Further, although the present application is primarily directed to the terminal and base station scenario, the present application is also applicable to the terminal and terminal, the terminal and relay, the Non-terrestrial network (NTN, non-Terrestrial Networks), and the communication scenario between the relay and the base station, to achieve similar technical effects in the terminal and base station scenario. Furthermore, the adoption of a unified solution for different scenarios, including but not limited to the communication scenario of the terminal and the base station, also helps to reduce hardware complexity and cost.

Further, embodiments and features of embodiments in a first node device of the present application may be applied to a second node device and vice versa without conflict. In particular, the term (Terminology), noun, function, variable in this application may be interpreted (if not specifically stated) 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:

receiving first signaling, wherein the first signaling is used for activating or releasing signals of a first type;

transmitting a target information block in a first resource set;

wherein the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

As an embodiment, the above method is characterized in that: when the unicast PDCCH, i.e. the first signaling, is used to activate/release the multicast transmission, i.e. the first type signal, the position of the time domain resource occupied by the feedback information of the corresponding multicast transmission, i.e. the time domain position of the time domain resource occupied by the target information block, is not referred to the time domain position of the first signaling, but is related to the position of the closest search space set allocated for scheduling MBS service against the first signaling, i.e. the position of the time domain resource occupied by the first search space set.

As an embodiment, another technical feature of the above method is that: besides realizing the activation/release of multicast service by unicast PDCCH, other configuration related to multicast PUCCH can be used, and has better compatibility with the existing system.

According to one aspect of the application, the first time offset value is one of K1 time offset values, the K1 time offset values being associated to the non-unicast traffic.

As an embodiment, the above method is characterized in that: the position of time domain resources occupied by the PUCCH for multicast feedback is indicated through a unicast PDCCH, so that the implementation complexity is reduced, and the compatibility is ensured.

According to one aspect of the present application, there is provided:

receiving a first signal in a first time unit;

wherein the first signaling is used to activate the first type of signal, the first signal being one of the first type of signals activated by the first signaling, the target information block comprising HARQ feedback for the first signal; the first signaling includes a second domain, the second domain included in the first signaling is used to determine a second time offset value, the second time offset value and the first reference time unit are used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

According to one aspect of the application, the first signaling is used to release the first type of signal, the target information block is used to feedback whether the first signaling is received correctly, and the first time offset value and the first reference time unit are used together to determine the target time unit.

According to one aspect of the application, when the first signaling is used to activate the first type of signal, the first set of resources is one of Q1 first type of sets of resources, the Q1 being a positive integer greater than 1, the Q1 first type of sets of resources being allocated for feedback for the non-unicast traffic; when the first signaling is used to release the first type of signal, the first set of resources is one of Q2 sets of second type of resources, Q2 being a positive integer greater than 1, the Q2 sets of second type of resources being allocated for feedback for the unicast traffic.

As an embodiment, the above method is characterized in that: when the first signaling is used to activate the first type signal, the first type signal indicates SPS transmission sent for one period, and then multiple PUCCHs occupying multiple time units are needed to perform feedback, so that a PUCCH resource set allocated to a non-unicast service is used for feedback to avoid waste of the PUCCH resource set of the non-unicast service.

As an embodiment, another technical feature of the above method is that: when the first signaling is used to release the first type of signal, it means that there is no transmission of the first type of signal after the first signaling in fact, and the above feedback is one-shot (disposable), so that the feedback is performed using the PUCCH resource set allocated to unicast traffic to save the PUCCH resource set of non-unicast traffic.

According to one aspect of the application, the first signaling is used to determine a first index, the first index being a non-negative integer, the first index being associated with one of the non-unicast traffic SPS configurations.

As an embodiment, the above method is characterized in that: the first index is used to indicate to the first node that the first signaling is for non-unicast traffic.

According to one aspect of the application, the first reference time unit is earlier in the time domain than the time unit occupied by the first signaling.

As an embodiment, the above method is characterized in that: the method can send the feedback aiming at the first type of signals in advance so as to reduce the system delay and avoid the overlong waiting time of the base station.

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

transmitting first signaling, wherein the first signaling is used for activating or releasing signals of a first type;

receiving a target information block in a first set of resources;

According to one aspect of the present application, there is provided:

transmitting a first signal in a first time unit;

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

a first receiver that receives first signaling, the first signaling being used to activate or release a first type of signal;

a first transmitter that transmits a target information block in a first set of resources;

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

a second transmitter transmitting first signaling, the first signaling being used to activate or release a first type of signal;

a second receiver that receives a target information block in the first set of resources;

As an example, compared to the conventional solution, the present application has the following advantages:

when the unicast PDCCH, namely the first signaling, activates/releases the multicast transmission, namely the first type signal, the position of the time domain resource occupied by the feedback information of the corresponding multicast transmission, namely the time domain position of the time domain resource occupied by the target information block is not referred to the time domain position of the first signaling, but is related to the position of the nearest search space set allocated for scheduling MBS service and the first signaling, namely the position of the time domain resource occupied by the first search space set; besides realizing the activation/release of multicast service by unicast PDCCH, other configuration related to multicast PUCCH can be used, and has better compatibility with the existing system;

when the first signaling is used for activating the first type signal, the first type signal represents SPS transmission sent for one period, and then a plurality of PUCCHs occupying a plurality of time units are needed to feed back, so that a PUCCH resource set allocated to non-unicast service is adopted to feed back so as to avoid waste of the PUCCH resource set of the non-unicast service;

When the first signaling is used to release the first type of signal, it means that there is no transmission of the first type of signal after the first signaling, and the feedback is one-shot, so that the feedback is performed using the PUCCH resource set allocated to unicast traffic to save the PUCCH resource set of non-unicast traffic.

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 present application;

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

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

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

FIG. 6 shows a schematic diagram of a first reference time cell according to one embodiment of the present application;

FIG. 7 shows a schematic diagram of another first reference time cell according to one embodiment of the present application;

FIG. 8 shows a schematic diagram of a first set of time units according to one embodiment of the present application;

FIG. 9 illustrates a schematic diagram of a first set of resources according to one embodiment of the present application;

fig. 10 shows a block diagram of a processing arrangement in a first node device according to an embodiment of the present application;

fig. 11 shows a block diagram of a processing apparatus in a second node device according to an embodiment of the present application.

Detailed Description

The technical solution 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 receives first signaling in step 101, which is used to activate or release a first type of signal; the target information block is transmitted in a first set of resources in step 102.

In embodiment 1, the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

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

As an embodiment, the first signaling includes DCI (Downlink Control Information ).

As an embodiment, the first signaling includes a downlink Grant (DL Grant).

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

As an embodiment, the first signaling is transmitted on a unicast channel.

As an embodiment, the first signaling is transmitted on a unicast PDCCH.

As an embodiment, the first signaling is used to Activate (Activate) the first type of signal.

As an embodiment, the first signaling is used to Release (Release) the first type of signal.

As an embodiment, the meaning that the first signaling is used to activate the first type of signal includes: the first type of signal includes W1 sub-signals, the first signaling is used to activate transmission of the W1 sub-signals, and the W1 is a positive integer greater than 1.

As a sub-embodiment of this embodiment, the W1 sub-signals are transmitted in the W1 PDSCH, respectively.

As a sub-embodiment of this embodiment, the W1 sub-signals are periodically distributed in the time domain.

As a sub-embodiment of this embodiment, the W1 sub-signals belong to the same SPS configuration.

As a sub-embodiment of this embodiment, the W1 sub-signals belong to the same SPS-ConfigIndex.

As a sub-embodiment of this embodiment, the W1 sub-signals are generated by W1 TBs (Transport blocks), respectively.

As a sub-embodiment of this embodiment, the W1 sub-signals are generated by W1 CBGs (Code block groups), respectively.

As a sub-embodiment of this embodiment, the W1 sub-signals are generated by the same TB.

As a sub-embodiment of this embodiment, the W1 sub-signals are generated by the same CBG.

As an embodiment, the meaning that the first signaling is used to release the first type of signal includes: the first signaling is not used to schedule one PDSCH.

As an embodiment, the meaning that the first signaling is used to release the first type of signal includes: the first signaling is used to determine an SPS-ConfigIndex, and SPS transmissions corresponding to the SPS-ConfigIndex are released.

As an embodiment, the meaning that the first signaling is used to release the first type of signal includes: the first signaling is used to determine an SPS-ConfigIndex, and SPS transmissions corresponding to the SPS-ConfigIndex are terminated.

As an embodiment, the first domain included in the first signaling is a PDSCH-to-harq_ feedback timing indicator domain (field) in DCI.

As an embodiment, the first field comprised by the first signaling comprises a positive integer number of bits.

As an embodiment, the number of bits included in the first field included in the first signaling is equal to 3.

As an embodiment, the number of bits included in the first field included in the first signaling is equal to 4.

As an embodiment, the first time offset value is equal to Y1, and Y1 is a positive integer.

As an embodiment, the unit of the first time offset value is a time unit.

As a sub-embodiment of the two embodiments described above, the first time offset value is used to represent Y1 time units.

As an embodiment, the time unit in the present application is a Slot (Slot).

As an embodiment, the time unit in the present application is a subframe (subframe).

As an embodiment, the time unit in the present application is a positive integer number of consecutive OFDM (Orthogonal Frequency Division Multiplexing ) symbols greater than 1.

As an embodiment, the first set of resources is PUCCH resources (Resource).

As an embodiment, the first set of resources includes PUCCH resources.

As an embodiment, the first set of resources includes one PUCCH resource set.

As an embodiment, the first set of resources includes time-frequency resources occupied by a PUSCH (Physical Uplink Shared Channel ).

As an embodiment, the target information block includes UCI (Uplink Control Information ).

As an embodiment, the physical layer channel occupied by the target information block includes a PUCCH.

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

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

As an embodiment, the target time unit is a subframe.

As an embodiment, the target time ticket is a positive integer number of consecutive OFDM symbols greater than 1.

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

As an embodiment, the first reference time unit is one subframe.

As an embodiment, the first reference time unit is a positive integer number of consecutive OFDM symbols greater than 1.

As an embodiment, the meaning of the sentence "the target time unit is related to both the first time offset value and the first reference time unit" includes: the first reference time unit occupies a time unit #t1, the first time offset value is equal to Y1, and the target time unit occupies a time unit #t2, wherein T1, T2 and Y1 are all non-negative integers, and T2 is equal to the sum of T1 and Y1.

As an embodiment, the meaning of the sentence "the target time unit is related to both the first time offset value and the first reference time unit" includes: the first reference time unit occupies a time unit #t1, the first time offset value is equal to Y1, the target time unit occupies a time unit #t2, wherein T1, T2 and Y1 are all non-negative integers, T2 is equal to the sum of T1, Y1 and Y2, and Y2 is a non-negative integer.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the Y2.

As a sub-embodiment of this embodiment, said Y2 is fixed.

As a sub-embodiment of this embodiment, the Y2 is configured by RRC signaling.

As a sub-embodiment of this embodiment, said Y2 is determined by said second time offset value in the present application.

As an embodiment, the target information block is used to indicate whether the first type of signal is received correctly.

As a sub-embodiment of this embodiment, the first type of signal includes a sub-signal, which is transmitted on the PDSCH, and the target information block is used to indicate whether the sub-signal is received correctly.

As a sub-embodiment of this embodiment, the first type signal includes a plurality of PDSCH, and the target information block is used to indicate whether one PDSCH of the plurality of PDSCH is received correctly.

As an embodiment, the target information block is used to indicate whether the first signaling is received correctly.

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: the CRC (Cyclic Redundancy Check ) included in the first signaling is scrambled by a C-RNTI (Cell Radio Network Temporary Identifier, cell radio network temporary identity).

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: the first signaling occupies a PDCCH used for unicast traffic.

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: the CORESET (Control Resource Set, set of control resources) occupied by the first signaling is used for unicast traffic transmission.

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: the CORESET (Control Resource Set, set of control resources) occupied by the first signaling is configured through RRC-dedicated signaling.

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: a Set of Search spaces (Search Space sets) occupied by the first signaling is used for unicast traffic transmission.

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: the set of search spaces occupied by the first signaling is configured through RRC-dedicated signaling.

As an embodiment, the meaning of the sentence "the first signaling is used for unicast traffic" includes: the logical channels occupied by the first signaling include DCCH (Dedicated Control Channel ).

As one embodiment, the Unicast is Unicast.

As one embodiment, the non-unicast traffic includes Multicast (Multicast) traffic.

As an embodiment, the non-unicast traffic includes multicast (Groupcast) traffic.

As one embodiment, the non-unicast traffic includes Broadcast (Broadcast) traffic.

As an embodiment, the meaning of the sentence "the first type of signal is used for non-unicast traffic" includes: the logical channels occupied by the first type of signals include MTCH (Multicast Traffic Channel ).

As an embodiment, the meaning of the sentence "the first type of signal is used for non-unicast traffic" includes: the logical channels occupied by the first type of signals include MCCH (Multicast Control Channel ).

As an embodiment, the meaning of the sentence "the first type of signal is used for non-unicast traffic" includes: the logical channels occupied by the first type of signals include SC-MTCH (Single Carrier Multicast Traffic Channel ).

As an embodiment, the meaning of the sentence "the first type of signal is used for non-unicast traffic" includes: the logical channels occupied by the first type of signals include SC-MCCH (Single Carrier Multicast Control Channel ).

As an embodiment, the meaning of the sentence "the first type of signal is used for non-unicast traffic" includes: the transmission channel MCH (Multicast Channel ) occupied by the first type of signal.

As an embodiment, the meaning of the sentence "the first type of signal is used for non-unicast traffic" includes: the transmission channel SC-MCH (Single Carrier Multicast Channel ) occupied by the first class of signals.

As an embodiment, the first set of time units comprises a positive integer number of time units greater than 1.

As an embodiment, the positive integer number of time units greater than 1 comprised by the first set of time units is periodically distributed in the time domain.

As an embodiment, the first Set of Search spaces includes a Search Space Set.

As an embodiment, the first set of Search spaces includes a Search Space.

As an embodiment, the time domain resources occupied by the first set of search spaces comprise time units comprised by the first set of time units.

As an embodiment, the time domain resources occupied by the first set of search spaces belong to time units comprised by the first set of time units.

As one embodiment, the first search space set corresponds to one searchspace id.

As one embodiment, the first set of search spaces occupies the first set of time units.

As an embodiment, the second Set of Search spaces includes a Search Space Set.

As an embodiment, the second set of Search spaces includes a Search Space.

As an embodiment, the second set of search spaces corresponds to one searchspace id.

As an embodiment, the meaning of the sentence "the time domain resource occupied by the first signaling belongs to the second search space set" includes: the time unit occupied by the first signaling belongs to the second search space set.

As an embodiment, the meaning of the sentence "the time domain resource occupied by the first signaling belongs to the second search space set" includes: the second search space set includes a positive integer number of time units greater than 1, and the time units occupied by the first signaling belong to one time unit of the positive integer number of time units greater than 1 included in the second search space set.

As an embodiment, the meaning of the sentence "the first search space set and the second search space set are different" includes: the first search space set and the second search space set respectively adopt different SearchSpaceid.

As an embodiment, the meaning of the sentence "the first search space set and the second search space set are different" includes: the first and second search space sets are respectively configured with different DCI formats (formats).

As an embodiment, the meaning of the sentence "the first search space set and the second search space set are different" includes: at least one time unit does not belong to the time domain resources occupied by the first search space set and the time domain resources occupied by the second search space set at the same time.

As an embodiment, the meaning of the sentence "the first search space set and the second search space set are different" includes: the first set of search spaces is configured for transmission of PDCCHs for non-unicast traffic and the second set of search spaces is configured for transmission of PDCCHs for unicast traffic.

As one embodiment, the first set of search spaces is reserved for non-unicast transmissions and the second set of search spaces is reserved for unicast transmissions.

As an embodiment, the non-unicast transmission in the present application includes a multicast transmission.

As one embodiment, the non-unicast transmission in the present application includes a broadcast transmission.

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 application may be extended to networks providing circuit-switched services or other cellular networks. The NG-RAN includes NR node bs (gnbs) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The 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 multicast service supporting capability.

As an embodiment, the UE201 supports the transmission of PTM.

As an embodiment, the UE201 supports transmission of SC-PTM.

As an embodiment, the UE201 supports the transmission of multicast traffic over unicast channels.

As an embodiment, the UE201 supports retransmission of multicast data over unicast channels.

As an embodiment, the UE201 supports MBS services.

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

As an embodiment, the gNB203 is a base station with multicast service capable capability.

As an embodiment, the gNB203 supports transmission of PTMs.

As an embodiment, the gNB203 supports transmission of SC-PTMs.

As an embodiment, the gNB203 supports transmission of multicast traffic over unicast channels.

As an embodiment, the gNB203 supports retransmission of multicast data over unicast channels.

As an embodiment, the gNB203 supports MBS services.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture according to one user plane and control plane of the present 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 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 PHY301 or the PHY351.

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

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

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

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

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

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

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

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

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

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

As an embodiment, the first node is a terminal.

As an embodiment, the second node is a terminal.

As an 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 an embodiment, the second node is used to manage a plurality of base stations.

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

As an embodiment, the second node is used to manage a plurality of TRPs (transmission reception points).

As an embodiment, the second node is an MCE (Multicell, multicast Coordination Entity, multicell/multicast coordination entity).

Example 4

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

The first 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 for use with the at least one processor. The first communication device 450 means at least: first receiving first signaling, the first signaling being used to activate or release a first type of signal; then transmitting a target information block in the first resource set; the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

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: first receiving first signaling, the first signaling being used to activate or release a first type of signal; then transmitting a target information block in the first resource set; the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

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: first, first signaling is sent, wherein the first signaling is used for activating or releasing signals of a first type; subsequently receiving a target information block in a first set of resources; the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

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: first, first signaling is sent, wherein the first signaling is used for activating or releasing signals of a first type; subsequently receiving a target information block in a first set of resources; the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

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 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 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 information blocks in a first set of resources; 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 a target information block in a first set of resources.

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 a first signal in a first time unit; 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 signal in a first time unit.

Example 5

Embodiment 5 illustrates a flow chart of a first set of information, as shown in fig. 5. In fig. 5, the first node U1 and the second node N2 communicate via a wireless link; wherein the steps in block F0 are optional. It is specifically described 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.

For the followingFirst node U1In the followingStep S10, receiving a first signaling; receiving a first signal in a first time unit in step S11; the target information block is transmitted in the first set of resources in step S12.

For the followingSecond node N2Transmitting a first signaling in step S20; transmitting a first signal in a first time unit in step S21; a target information block is received in a first set of resources in step S22.

In embodiment 5, the first signaling is used to activate or deactivate a first type of signal; the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different; when the first signaling is used to activate the first type of signal, the first signal is one of the first type of signals activated by the first signaling, the target information block includes HARQ feedback for the first signal; the first signaling includes a second domain, the second domain included in the first signaling is used to determine a second time offset value, the second time offset value and the first reference time unit are used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

As an embodiment, the first time offset value is one of K1 time offset values, the K1 time offset values being associated to the non-unicast traffic.

As a sub-embodiment of this embodiment, the first field comprised by the first signaling is used to indicate the first time offset value from the K1 time offset values.

As a sub-embodiment of this embodiment, any one of the K1 time offset values is a positive integer.

As a sub-embodiment of this embodiment, the unit of any one of the K1 time offset values is a time unit.

As an subsidiary embodiment of the above two sub-embodiments, the given time offset value is any one of the K1 time offset values, the given time offset value being equal to Y2, the given time offset value being used to represent Y2 time units.

As a sub-embodiment of this embodiment, the K1 time offset values are configured by RRC signaling.

As a sub-embodiment of this embodiment, the K1 time offset values are configured by cell-specific signaling.

As a sub-embodiment of this embodiment, the K1 time offset values are configured by user group specific signaling.

As a sub-embodiment of this embodiment, the K1 time offset values are configured by user-specific signaling.

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

As an embodiment, the first signal is generated by one TB.

As an embodiment, the first signal is generated by a CBG.

As an embodiment, the logical channel occupied by the first signal includes an MTCH.

As an embodiment, the transmission channel occupied by the first signal includes an MCH.

As an embodiment, the second time offset value is equal to Z1, the Z1 being a non-negative integer.

As an embodiment, the unit of the second time offset value is a time unit.

As an embodiment, said Y2 in the present application is equal to said Z1 in the present application.

As an embodiment, the second time offset value is one of K2 time offset values, and K2 is a positive integer.

As a sub-embodiment of this embodiment, the K2 time offset values are associated to the non-unicast traffic.

As a sub-embodiment of this embodiment, the K2 time offset values are configured by RRC signaling.

As a sub-embodiment of this embodiment, the K2 time offset values are configured by cell-specific signaling.

As a sub-embodiment of this embodiment, the K2 time offset values are configured by user group specific signaling.

As a sub-embodiment of this embodiment, the K2 time offset values are configured by user-specific signaling.

As an embodiment, the meaning of the sentence "the second time offset value and the first reference time unit are used together to determine the first time unit" includes: the first reference time unit occupies a time unit #t1, the second time offset value is equal to Z1, and the first time unit occupies a time unit #x1, wherein T1, Z1 and X1 are all non-negative integers, and X1 is equal to the sum of T1 and Z1.

As an embodiment, the meaning of the sentence "the first time unit and the first time offset value are used together to determine the target time unit" includes: the first reference time unit occupies a time unit #x1, the first time offset value is equal to Y1, and the target time unit occupies a time unit #t2, wherein X1, Y1 and T2 are all non-negative integers, and T2 is equal to the sum of X1 and Y1.

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

As an embodiment, the first time unit is a subframe.

As an embodiment, the first time ticket is a positive integer number of consecutive OFDM symbols greater than 1.

As an embodiment, the second domain included in the first signaling is a Time domain resource assignment domain.

As an embodiment, the first signaling is used to release the first type of signal, the target information block is used to feedback whether the first signaling is received correctly, and the first time offset value and the first reference time unit are used together to determine the target time unit.

As an embodiment, when the first signaling is used to activate the first type of signal, the first set of resources is one of Q1 first type of sets of resources, the Q1 being a positive integer greater than 1, the Q1 first type of sets of resources being allocated for feedback for the non-unicast traffic; when the first signaling is used to release the first type of signal, the first set of resources is one of Q2 sets of second type of resources, Q2 being a positive integer greater than 1, the Q2 sets of second type of resources being allocated for feedback for the unicast traffic.

As a sub-embodiment of this embodiment, the Q1 first type Resource sets are Q1 PUCCH resources (resources), respectively.

As a sub-embodiment of this embodiment, the Q1 first type Resource sets belong to one PUCCH Resource Set (Resource Set).

As a sub-embodiment of this embodiment, the Q2 second class resource sets are Q2 PUCCH resources, respectively.

As a sub-embodiment of this embodiment, the Q2 second class resource sets belong to one PUCCH resource set.

As a sub-embodiment of this embodiment, the first set of resources occupies a positive integer number of REs (Resource elements) greater than 1.

As a sub-embodiment of this embodiment, the first Resource set occupies a frequency domain Resource corresponding to a positive integer number of RBs (Resource Block) in the frequency domain, and occupies a continuous positive integer number of OFDM symbols in the time domain.

As a sub-embodiment of this embodiment, the Q1 first type resource sets are configured by RRC signaling.

As a sub-embodiment of this embodiment, the Q1 first type resource sets are configured by cell-specific signaling.

As a sub-embodiment of this embodiment, the Q1 first-class resource sets are configured by user group-specific signaling.

As a sub-embodiment of this embodiment, the Q2 second type resource sets are configured by RRC signaling.

As a sub-embodiment of this embodiment, the Q2 sets of second class resources are configured by user-specific signaling.

As a sub-embodiment of this embodiment, when the first signaling is used to activate the first type of signal, the first signaling is used to indicate the first set of resources from the Q1 first type of sets of resources; when the first signaling is used to release the first type of signal, the first signaling is used to indicate the first set of resources from the Q2 second type of sets of resources.

As a sub-embodiment of this embodiment, when the first signaling is used to activate the first type of signal, the number of bits comprised by the target information block is used to determine the first set of resources from the Q1 first type of sets of resources; when the first signaling is used to release the first type of signal, the number of bits included in the target information block is used to determine the first set of resources from the Q2 second type of sets of resources.

As one embodiment, the first signaling is used to determine a first index, the first index being a non-negative integer, the first index being associated with one of the non-unicast traffic SPS configurations.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the first index.

As a sub-embodiment of this embodiment, the first index is SPS-ConfigIndex.

As a sub-embodiment of this embodiment, the name of the first index comprises SPS.

As a sub-embodiment of this embodiment, the first signaling is used to determine a first type index set comprising M1 first type indices, the M1 being a positive integer greater than 1, the first index being one of the M1 first type indices.

As a sub-embodiment of this embodiment, the first signaling is used to indicate a first type index set, the first type index set comprising M1 first type indices, the M1 being a positive integer greater than 1, the first index being one of the M1 first type indices.

As an attached embodiment of the above two sub-embodiments, any one of the M1 first type indexes is SPS-ConfigIndex.

As an attached embodiment of the above two sub-embodiments, the name of any one of the M1 first-type indexes includes SPS.

As a sub-embodiment of this embodiment, the first signaling includes a third field, and the third field included in the first signaling is used to determine the first index.

As an additional embodiment of this sub-embodiment, the third field included in the first signaling is a HARQ process number field in DCI.

As an embodiment, the first reference time unit is earlier in the time domain than the time unit occupied by the first signaling.

As an embodiment, the time units occupied by the first signaling are used to determine the first reference time unit from the first set of time units.

As an embodiment, the first reference time unit is a time unit of the first set of time units that is temporally closest to a time unit occupied by the first signaling.

As an embodiment, the first reference time unit is a given time unit in the first set of time units, the given time unit being no later in time domain than the time unit occupied by the first signaling, and the given time unit is the closest time unit to the time unit occupied by the first signaling among all time units included in the first set of time units.

As an embodiment, the first reference time unit is a given time unit in the first set of time units, the given time unit being not temporally earlier than a time unit occupied by the first signaling, and the given time unit is a time unit closest to the time unit occupied by the first signaling among all time units included in the first set of time units.

As an embodiment, the first reference time unit is a time unit of the first set of time units associated with a time unit occupied by the first signaling.

As an embodiment, the first reference time unit is a time unit of the first set of time units that is temporally associated with a time unit occupied by the first signaling.

As an embodiment, the time units occupied by the first signaling are used to determine a first time window, the first reference time unit being a time unit in the first set of time units that belongs to the first time window in the time domain.

As an embodiment, the time units occupied by the first signaling are used to determine a first time window, the first reference time unit is a given time unit in the first set of time units, the given time unit belongs to the first time window in the time domain, and the given time unit is one time unit closest to the time units occupied by the first signaling among all time units included in the first time window.

As an embodiment, the time unit in which the first signaling is located is a time unit other than the first time unit.

Example 6

Example 6 illustrates a schematic diagram of a first reference time cell, as shown in fig. 6. In fig. 6, the first signaling occupies a second time cell in the graph; the first signaling is used to activate the first type of wireless signals, the first signal being one of the first type of signals activated by the first signaling, the first signal occupying a first time unit in a graph, the second time offset value and the first reference time unit being used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

As an embodiment, the first field comprised by the first signaling is used to indicate the first time offset value.

As an embodiment, the second field comprised by the first signaling is used to indicate the second time offset value.

As an embodiment, the first reference time unit and the first time unit belong to the same time slot.

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

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

As an embodiment, the first signaling is used to indicate the MCS (Modulation and Coding Scheme ) employed by the first signal.

As an embodiment, the time slot in which the first reference time unit is located is used to determine the HARQ process number used by the first signal.

Example 7

Embodiment 7 illustrates a schematic diagram of another first reference time cell, as shown in fig. 7. In fig. 7, the first signaling occupies a second time cell in the graph; the first signaling is used to release the first type of wireless signal, and the first time unit and the first time offset value are used together to determine the target time unit.

As an embodiment, the first signaling is used to release an SPS configuration.

As an embodiment, the first signaling is used to release a plurality of SPS configurations.

As an embodiment, when the first signaling is used to release the first type of radio signal, the field in the first signaling used to indicate RV (Redundency Version, redundancy version) is set to all "0".

As one embodiment, when the first signaling is used to release the first type of wireless signal, a field in the first signaling used to indicate MCS is set to all "0".

As an embodiment, when the first signaling is used to release the first type of wireless signal, a domain used to indicate frequency domain resource allocation in the first signaling is set to all "0" or all "1".

Example 8

Embodiment 8 illustrates a schematic diagram of a first set of time units, as shown in fig. 8. In fig. 8, the first set of time units includes N1 time units, where N1 is a positive integer greater than 1; the first reference time unit is one of the N1 time units.

As an embodiment, the N1 time units are periodically distributed in the time domain.

As an embodiment, the time units occupied by the first signaling are time units other than the N1 time units.

Example 9

Embodiment 9 illustrates a schematic diagram of a first set of resources, as shown in fig. 9. In fig. 9, the first resource set occupies a plurality of OFDM symbols in the time domain, and the first resource set occupies a positive integer number of RBs in the frequency domain.

As an embodiment, the first set of resources occupies a positive integer number of REs greater than 1.

Example 10

Embodiment 10 illustrates a block diagram of the structure in a first node, as shown in fig. 10. In fig. 10, a first node 1000 includes a first receiver 1001 and a first transmitter 1002.

A first receiver 1001, which receives first signaling, the first signaling being used to activate or release signals of a first type;

a first transmitter 1002 that transmits a target information block in a first set of resources;

in embodiment 10, the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

As an embodiment, the first receiver 1001 receives a first signal in a first time unit; the first signaling is used to activate the first type of signal, the first signal being one of the first type of signals activated by the first signaling, the target information block comprising HARQ feedback for the first signal; the first signaling includes a second domain, the second domain included in the first signaling is used to determine a second time offset value, the second time offset value and the first reference time unit are used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

As an embodiment, when the first signaling is used to activate the first type of signal, the first set of resources is one of Q1 first type of sets of resources, Q1 being a positive integer greater than 1, the Q1 first type of sets of resources being allocated for feedback for the non-unicast traffic; when the first signaling is used to release the first type of signal, the first set of resources is one of Q2 sets of second type of resources, Q2 being a positive integer greater than 1, the Q2 sets of second type of resources being allocated for feedback for the unicast traffic.

As an embodiment, the first receiver 1001 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 1002 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 11

Embodiment 11 illustrates a block diagram of the structure in a second node, as shown in fig. 11. In fig. 11, the second node 1100 includes a second transmitter 1101 and a second receiver 1102.

A second transmitter 1101 transmitting first signaling, the first signaling being used to activate or release a first type of signal;

a second receiver 1102 that receives a target information block in a first set of resources;

in embodiment 11, the first signaling includes a first field, the first field in the first signaling being used to indicate a first time offset value, the first set of resources occupying a target time unit in a time domain; the target time unit is related to both the first time offset value and a first reference time unit; the target information block is used for feeding back the first type of signal or the first signaling; the first signaling is used for unicast traffic and the first type of signal is used for non-unicast traffic; the first reference time unit is one time unit of a first set of time units, the first set of time units being associated to a first set of search spaces; the time domain resources occupied by the first signaling belong to a second search space set, and the first search space set and the second search space set are different.

As an embodiment, the second transmitter 1101 transmits the first signal in a first time unit; the first signaling is used to activate the first type of signal, the first signal being one of the first type of signals activated by the first signaling, the target information block comprising HARQ feedback for the first signal; the first signaling includes a second domain, the second domain included in the first signaling is used to determine a second time offset value, the second time offset value and the first reference time unit are used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

As one example, the second transmitter 1101 includes at least the first 6 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 an example, the second receiver 1102 includes at least the first 6 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 application is not limited to any specific combination of software and hardware. The first node in the application includes, but is not limited to, a mobile phone, a tablet computer, a notebook, an internet card, a low power consumption 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, that simulates a function of a base station part, and other wireless communication devices.

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 modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application are intended to be included within the 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 first time offset value is one of K1 time offset values, the K1 time offset values being associated with the non-unicast traffic.

3. The first node according to claim 1 or 2, wherein the first receiver receives a first signal in a first time unit; the first signaling is used to activate the first type of signal, the first signal being one of the first type of signals activated by the first signaling, the target information block comprising HARQ feedback for the first signal; the first signaling includes a second domain, the second domain included in the first signaling is used to determine a second time offset value, the second time offset value and the first reference time unit are used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

4. The first node according to claim 1 or 2, characterized in that the first signaling is used to release the first type of signal, the target information block is used to feed back whether the first signaling is received correctly, the first time offset value and the first reference time unit are used together to determine the target time unit.

5. The first node according to any of claims 1 to 4, wherein when the first signaling is used to activate the first type of signal, the first set of resources is one of Q1 first type of sets of resources, the Q1 being a positive integer greater than 1, the Q1 first type of sets of resources being allocated for feedback for the non-unicast traffic; when the first signaling is used to release the first type of signal, the first set of resources is one of Q2 sets of second type of resources, Q2 being a positive integer greater than 1, the Q2 sets of second type of resources being allocated for feedback for the unicast traffic.

6. The first node according to any of claims 1-5, wherein the first signaling is used to determine a first index, the first index being a non-negative integer, the first index being associated to one of the non-unicast traffic SPS configurations.

7. The first node according to any of claims 1 to 6, wherein the first reference time unit is earlier in the time domain than the time unit occupied by the first signalling.

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

9. The second node of claim 8, wherein the second node comprises a second node comprising a second node,

the first time offset value is one of K1 time offset values, the K1 time offset values being associated to the non-unicast traffic.

10. The second node according to claim 8 or 9, characterized in that,

the second transmitter transmitting a first signal in a first time unit; the first signaling is used to activate the first type of signal, the first signal being one of the first type of signals activated by the first signaling, the target information block comprising HARQ feedback for the first signal; the first signaling includes a second domain, the second domain included in the first signaling is used to determine a second time offset value, the second time offset value and the first reference time unit are used together to determine the first time unit; the first time unit and the first time offset value are used together to determine the target time unit.

11. The second node according to any of the claims 8 to 10, characterized in that,

the first signaling is used to release the first type of signal, the target information block is used to feedback whether the first signaling was received correctly, and the first time offset value and the first reference time unit are used together to determine the target time unit.

12. The second node according to any of the claims 8 to 11, characterized in that,

When the first signaling is used to activate the first type of signal, the first set of resources is one of Q1 first type of sets of resources, the Q1 being a positive integer greater than 1, the Q1 first type of sets of resources being allocated for feedback for the non-unicast traffic; when the first signaling is used to release the first type of signal, the first set of resources is one of Q2 sets of second type of resources, Q2 being a positive integer greater than 1, the Q2 sets of second type of resources being allocated for feedback for the unicast traffic.

13. The second node according to any of the claims 8 to 12, characterized in that,

the first signaling is used to determine a first index, the first index being a non-negative integer, the first index being associated with one of the non-unicast traffic SPS configurations.

14. The second node according to any of the claims 8 to 13, characterized in that,

the first reference time unit is earlier in the time domain than the time unit occupied by the first signaling.

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

Transmitting a target information block in a first resource set;

16. The method in a first node according to claim 15,

17. A method in a first node according to claim 15 or 16, comprising:

Receiving a first signal in a first time unit;

18. The method in a first node according to any of the claims 15 to 17, characterized in,

19. The method in a first node according to any of the claims 15 to 18,

20. The method in a first node according to any of the claims 15 to 19, characterized in,

21. The method in a first node according to any of the claims 15 to 20, characterized in,

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

Receiving a target information block in a first set of resources;

23. The method in the second node of claim 22,

24. Method in a second node according to claim 22 or 23, characterized in that,

Comprising the following steps:

transmitting a first signal in a first time unit;

25. The method in a second node according to any of the claims 22 to 24,

26. The method in a second node according to any of the claims 22 to 25, characterized in,

27. The method in a second node according to any of the claims 22 to 26,

28. The method in a second node according to any of the claims 22-27,