WO2023186163A1

WO2023186163A1 - Method and device for node used for wireless communication

Info

Publication number: WO2023186163A1
Application number: PCT/CN2023/085839
Authority: WO
Inventors: 胡杨; 张晓博
Original assignee: 上海朗帛通信技术有限公司
Priority date: 2022-04-02
Filing date: 2023-04-03
Publication date: 2023-10-05
Also published as: CN116938407A

Abstract

The present application discloses a method and device for a node used for wireless communication. A first receiver receives first DCI, the first DCI being used for indicating first information; and a first transmitter transmits a plurality of PUCCHs, wherein the first DCI is used for determining the plurality of PUCCHs, the first information is used from first time, and the first time is associated with an earliest PUCCH among the plurality of PUCCHs.

Description

Method and device used in wireless communication nodes

Technical field

The present application relates to transmission methods and devices in wireless communication systems, in particular to wireless signal transmission methods and devices in wireless communication systems supporting cellular networks.

Background technique

In order to support communication services with higher data rates, higher reliability, and lower latency, how to reduce the overhead of control signaling is a key issue that needs to be studied. Using a single DCI to schedule multiple physical layer channels is an effective way to reduce control signaling overhead; when using the above method, how to ensure the flexibility of scheduling and the timeliness of the indication information taking effect is an important aspect that needs to be considered.

Contents of the invention

In response to the above problems, this application discloses a solution. It should be noted that the above description uses a single DCI to schedule multiple physical layer channels as an example; this application is also applicable to other scenarios, such as a single DCI to schedule only one physical layer channel, a single DCI to schedule multiple serving cells, etc., and achieve similar results. technical effects. In addition, adopting a unified solution for different scenarios (including but not limited to a single DCI scheduling multiple physical layer channels, a single DCI scheduling only one physical layer channel, and a single DCI scheduling multiple serving cells) can also help reduce hardware complexity and cost. Or improve performance. Without conflict, the embodiments and features in the embodiments in any node of this application can be applied to any other node. The embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily without conflict.

As an example, the terminology (Terminology) in this application is explained with reference to the definition of the TS36 series of standard protocols of 3GPP.

As an example, the explanation of terms in this application is with reference to the definitions of the TS38 series of specification protocols of 3GPP.

As an example, the interpretation of terms in this application refers to the definitions of the TS37 series of specification protocols of 3GPP.

As an example, the interpretation of terms in this application is with reference to the definitions of the IEEE (Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers) standard protocols.

This application discloses a method used in a first node of wireless communication, which is characterized by including:

receiving first DCI, the first DCI being used to indicate first information;

Send multiple PUCCHs;

Wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the benefits of the above method include: improving the flexibility of base station side scheduling, which is beneficial to improving system performance.

As an embodiment, the benefits of the above method include: improving the timeliness in which the first information becomes effective.

As an embodiment, the benefits of the above method include: improving transmission reliability.

As an embodiment, the benefits of the above method include: improved spectral efficiency.

As an embodiment, the benefits of the above method include: saving DCI signaling overhead.

According to one aspect of the present application, the above method is characterized by,

The first time is: a first time slot that is at least K time domain symbols later than the last time domain symbol of the earliest PUCCH among the plurality of PUCCHs; the K is preset or configurable Non-negative integer.

The first information includes TCI status.

As an embodiment, the benefits of the above method include: improving the effectiveness of the adopted QCL assumption or UL TX spatial filter.

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

receiving a plurality of PDSCH groups, any one of the plurality of PDSCH groups including at least one PDSCH;

Wherein, the first DCI is used to schedule the multiple PDSCH groups, and the multiple PUCCHs are respectively used to send HARQ-ACK bits for the multiple PDSCH groups.

The multiple PDSCH groups are received on multiple different serving cells respectively.

The plurality of PUCCHs respectively belong to different time slots in the time domain, or two of the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, the characteristics of the above method include: the plurality of PUCCHs may be sent in different time slots or on different serving cells.

As an embodiment, the benefits of the above method include: improving the flexibility of DCI signaling scheduling.

The first information is used for transmission of a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the characteristics of the above method include: among the plurality of PUCCHs determined by the first DCI, the PUCCHs that meet the conditions for the first information to be adopted adopt the first information when being sent.

As an embodiment, the benefits of the above method include: improving the transmission performance of PUCCH.

This application discloses a method used in a second node of wireless communication, which is characterized by including:

sending a first DCI, the first DCI being used to indicate the first information;

Receive multiple PUCCH;

The first information includes TCI status.

Transmitting a plurality of PDSCH groups, any one of the plurality of PDSCH groups including at least one PDSCH;

Wherein, the first DCI is used to schedule the plurality of PDSCH groups, and the plurality of PUCCHs are respectively used to transmit HARQ-ACK bits for the plurality of PDSCH groups.

The multiple PDSCH groups are respectively transmitted on multiple different serving cells.

The plurality of PUCCHs respectively belong to different time slots in the time domain, or two of the plurality of PUCCHs are respectively transmitted on different serving cells.

This application discloses a first node used for wireless communication, which is characterized by including:

A first receiver receives first DCI, where the first DCI is used to indicate first information;

The first transmitter sends multiple PUCCHs;

This application discloses a second node used for wireless communication, which is characterized in that it includes:

a second transmitter, transmitting a first DCI, the first DCI being used to indicate the first information;

The second receiver receives multiple PUCCHs;

receive the first DCI;

Send multiple PUCCHs;

Wherein, the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different time slots in the time domain, or there are two PUCCHs in the multiple PUCCHs serving different services respectively. is sent on the cell.

The first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

As an embodiment, the characteristics of the above method include: the DCI signaling used to instruct SPS PDSCH release is also used to schedule the reception of PDSCH.

One PUCCH among the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another PUCCH among the plurality of PUCCHs is used to transmit the HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI. HARQ-ACK bits of PDSCH scheduled by DCI.

A given PDSCH group is one of the plurality of PDSCH groups for which any HARQ-ACK bit is sent in only one of the plurality of PUCCHs.

As an embodiment, the given PDSCH group is any PDSCH group among the plurality of PDSCH groups.

As an embodiment, the first node receives a first DCI; sends multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different locations in the time domain. time slot, or two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, the first node receives a first DCI; sends multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different locations in the time domain. time slot, or two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells; the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH; One PUCCH among the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another PUCCH among the plurality of PUCCHs is used to transmit the HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI. HARQ-ACK bits of PDSCH scheduled by DCI.

Send the first DCI;

Receive multiple PUCCH;

Wherein, the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different time slots in the time domain, or there are two PUCCHs in the multiple PUCCHs serving different services respectively. transmitted on the cell.

One PUCCH among the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another PUCCH among the plurality of PUCCHs is used to transmit the HARQ-ACK bits released for the first DCI. HARQ-ACK bits of PDSCH scheduled by DCI.

A given PDSCH group is one of the plurality of PDSCH groups, and any HARQ-ACK bit for the given PDSCH group is transmitted in only one of the plurality of PUCCHs.

The first receiver receives the first DCI;

The first transmitter sends multiple PUCCHs;

According to one aspect of the present application, the above-mentioned node is characterized by,

According to one aspect of the present application, the above-mentioned nodes are characterized by including:

The first receiver receives a plurality of PDSCH groups, any one of the plurality of PDSCH groups including at least one PDSCH;

The second transmitter sends the first DCI;

The second receiver receives multiple PUCCHs;

receive the first DCI;

Wherein, the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

The SPS PDSCH corresponding to the SPS PDSCH release indicated by the first DCI and a PDSCH scheduled by the first DCI They belong to different service areas.

Send multiple PUCCHs;

One PUCCH among the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another PUCCH among the plurality of PUCCHs is used to transmit the HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI. HARQ-ACK bits of at least one PDSCH scheduled by DCI.

The plurality of PUCCHs respectively belong to different time slots in the time domain.

Two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, the first node receives a first DCI; wherein the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

Send the first DCI;

The SPS PDSCH corresponding to the SPS PDSCH release indicated by the first DCI and a PDSCH scheduled by the first DCI respectively belong to different serving cells.

Receive multiple PUCCH;

One PUCCH among the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another PUCCH among the plurality of PUCCHs is used to transmit the HARQ-ACK bits released for the first DCI. HARQ-ACK bits of at least one PDSCH scheduled by DCI.

Two PUCCHs among the plurality of PUCCHs are respectively transmitted on different serving cells.

The first receiver receives the first DCI;

The first transmitter sends multiple PUCCHs;

The second transmitter sends the first DCI;

Description of drawings

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

Figure 1 shows a processing flow chart of a first node according to an embodiment of the present application;

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

Figure 3 shows a schematic diagram of the wireless protocol architecture of the user plane and control plane according to one embodiment of the present application;

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

Figure 5 shows a signal transmission flow chart according to an embodiment of the present application;

Figure 6 shows a schematic illustration of a first time according to an embodiment of the present application;

Figure 7 shows a schematic diagram illustrating first information according to an embodiment of the present application;

Figure 8 shows a schematic diagram of the relationship between a first DCI, multiple PDSCH groups and multiple PUCCHs according to an embodiment of the present application;

Figure 9 shows an illustrative diagram of multiple PUCCHs according to an embodiment of the present application;

Figure 10 shows an illustrative diagram of multiple PUCCHs according to an embodiment of the present application;

Figure 11 shows a schematic diagram of the relationship between first information and multiple PUCCHs according to an embodiment of the present application;

Figure 12 shows a structural block diagram of a processing device in a first node device according to an embodiment of the present application;

Figure 13 shows a structural block diagram of a processing device in a second node device according to an embodiment of the present application.

Detailed ways

The technical solution of the present application will be further described in detail below with reference to the accompanying drawings. It should be noted that, as long as there is no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Example 1

Embodiment 1 illustrates a processing flow chart of the first node according to an embodiment of the present application, as shown in Figure 1.

In Embodiment 1, the first node in this application receives the first DCI in step 101; and sends multiple PUCCHs in step 102.

In Embodiment 1, the first DCI is used to indicate first information; the first DCI is used to determine the plurality of PUCCHs; the first information is used from the first time, and the first A time is associated with the earliest PUCCH among the plurality of PUCCHs.

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

As an embodiment, the first DCI is downlink control signaling.

As an embodiment, the first DCI is a DCI (Downlink control information, downlink control information) format (DCI format).

As an embodiment, the first DCI is a DCI signaling.

As an embodiment, the first DCI is signaling in DCI format.

As an embodiment, the first node receives the first DCI in a physical layer control channel.

As an embodiment, the first node receives the first DCI in a PDCCH (Physical downlink control channel).

As an embodiment, the first DCI is DCI format 1_0. For the specific definition of DCI format 1_0, please refer to Chapter 7.3.1.2 in 3GPP TS38.212.

As an embodiment, the first DCI is DCI format 1_1. For the specific definition of DCI format 1_1, please refer to Chapter 7.3.1.2 in 3GPP TS38.212.

As an example, the first DCI is DCI format 1_2. For the specific definition of DCI format 1_2, see Chapter 7.3.1.2 in 3GPP TS38.212.

As an embodiment, the first DCI adopts one of DCI format 1_0, DCI format 1_1 or DCI format 1_2.

As an embodiment, the first DCI adopts a DCI format other than DCI format 1_0, DCI format 1_1 or DCI format 1_2.

As an embodiment, the first DCI is a downlink scheduling signaling (DownLink Grant Signaling).

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

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

As an embodiment, a field in the first DCI indicates the first information.

As an embodiment, the Transmission configuration indication field in the first DCI indicates the first information.

As an embodiment, the first Transmission configuration indication field in the first DCI indicates the first information.

As an embodiment, the description of sending multiple PUCCHs includes: sending UCI (Uplink control information, uplink control information) bits in each PUCCH of the multiple PUCCHs.

As an embodiment, the description of sending multiple PUCCHs includes: sending at least HARQ-ACK (Hybrid automatic repeat request acknowledgment) bits in each PUCCH of the multiple PUCCHs.

As an embodiment, the description of sending multiple PUCCHs includes: in one of the multiple PUCCHs, at least one UCI bit undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), and code block CRC Additional, channel coding, rate matching, code block concatenation, scrambling, modulation, layer mapping, transform precoding, precoding, resource block mapping , multi-carrier symbols are generated, and the resulting output is transmitted after at least part of the modulation upconversion.

As an embodiment, the statement that sending multiple PUCCHs includes: in one PUCCH among the multiple PUCCHs, at least A UCI bit undergoes CRC attachment, Code block segmentation, Code block CRC attachment, Channel coding, Rate matching, Code block concatenation, and scrambling. Codes, modulation, spreading (Spreading), mapping to physical resources, multi-carrier symbol generation, modulation and upconversion are performed after at least part of the resulting output is transmitted.

As an embodiment, the description of sending multiple PUCCHs includes: in one of the multiple PUCCHs, at least one UCI bit undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), and code block CRC Additional, Channel coding, Rate matching, Code block concatenation, Scrambling, Modulation, Block-wise spreading, Transform precoding, Mapping to physical resources, multi-carrier symbols are generated, and the resulting output is transmitted after at least part of the modulation upconversion.

As an embodiment, the description of sending multiple PUCCHs includes: in one of the multiple PUCCHs, at least one UCI bit is mapped to physical resources (Mapping to physical resources) through sequence generation or sequence modulation, and multi-carrier After symbol generation, at least part of the modulation upconversion is performed and the resulting output is transmitted.

As an embodiment, the statement that sending multiple PUCCHs includes: in any one of the multiple PUCCHs, at least one UCI bit is sent after at least channel coding or at least sequence generation or at least sequence modulation.

As an embodiment, the plurality of PUCCHs are 2 PUCCHs.

As an embodiment, the plurality of PUCCHs are three PUCCHs.

As an embodiment, the plurality of PUCCHs are 4 PUCCHs.

As an embodiment, the plurality of PUCCHs include at most 64 PUCCHs.

As an embodiment, there are two PUCCHs without overlapping in the time domain among the plurality of PUCCHs.

As an embodiment, the first DCI is used to indicate the multiple PUCCHs (Physical uplink control channel).

As an embodiment, the first DCI display indicates at least one of the plurality of PUCCHs.

As an embodiment, the first DCI implicitly indicates at least one of the plurality of PUCCHs.

As an embodiment, a PUCCH resource indicator field in the first DCI is used to indicate one of the plurality of PUCCHs.

As an embodiment, a PUCCH resource indicator field in the first DCI and the first CCE (Control channel element) occupied by the PDCCH (Physical downlink control channel) used for the transmission of the first DCI Indexes are used together to indicate one of the plurality of PUCCHs.

As an embodiment, the first DCI is used to determine the time domain resource occupied by each PUCCH in the plurality of PUCCHs.

As an embodiment, the first DCI is used to determine at least the first two of time domain resources, frequency domain resources, and code domain resources occupied by each PUCCH in the plurality of PUCCHs.

As an embodiment, the statement that the first DCI is used to determine the plurality of PUCCHs includes: the first DCI is used to indicate the PUCCH resources used for transmission of each PUCCH in the plurality of PUCCHs. .

As an embodiment, the statement that the first DCI is used to determine the plurality of PUCCHs includes: the first DCI is used to indicate the timeslot to which each PUCCH in the plurality of PUCCHs belongs in the time domain. .

As an embodiment, the statement that the first DCI is used to determine the multiple PUCCHs includes: the first DCI includes multiple PUCCH resource indicator (PUCCH resource indicator) fields, and the multiple PUCCH resource indicator fields The controller domain is respectively used to determine the PUCCH resources used for the transmission of the multiple PUCCHs.

As an embodiment, the statement that the first DCI is used to determine the multiple PUCCHs includes: the first DCI includes multiple PUCCH resource indicator (PUCCH resource indicator) fields, and the multiple PUCCH resource indicator fields The controller field is respectively used to indicate the PUCCH resources used for the transmission of the plurality of PUCCHs.

As an embodiment, the first information takes effect from the first time.

As an embodiment, starting from the first time, the first information provides a reference signal for the quasi-colocation of DM-RS of PDSCH, DM-RS of PDCCH and CSI-RS, and, if applicable, based on Provides reference for dynamic-grant and configured-grant PUSCH, PUCCH resources and SRS determination of UL TX spatial filter.

As an embodiment, starting from the first time, the first information provides a QCL (Quasi co- location) type reference signal (a reference to the RS configured with qcl-Type set to 'typeD') and, if applicable, a dynamic-grant based The UL TX spatial filter provides a reference to the reference signal (a reference to the RS) determined by the configured-grant PUSCH, PUCCH resources and SRS.

As an embodiment, the quasi co-location (QCL) relationship configured by the first information is adopted from the first time.

As an embodiment, the UL TX spatial filter determined by the first information is adopted from the first time.

As an embodiment, the spatial relationship determined by the first information is adopted starting from the first time.

As an embodiment, the power configuration in the first information is adopted from the first time.

As an embodiment, the first information is used for activation of a target signal, and the target signal is activated starting from the first time.

Aperiodic

As an embodiment, the first information is used for deactivation of a target signal, and the target signal is deactivated starting from the first time.

As an embodiment, the target signal includes a reference signal.

As an embodiment, the target signal includes CSI-RS (CSI Reference Signal).

As an embodiment, the target signal includes Semi-Persistent (SP) CSI-RS.

As an embodiment, the target signal includes aperiodic CSI-RS.

As an embodiment, the target signal includes CSI-IM (CSI Interference Measurement).

As an embodiment, the target signal includes Semi-Persistent (SP) CSI-IM.

As an embodiment, the target signal includes aperiodic CSI-IM.

As an example, the target signal carries CSI (Channel State Information) reporting (CSI reporting)

As an embodiment, the target signal carries a Semi-Persistent (SP) CSI report.

As an embodiment, the target signal carries aperiodic CSI report.

As an embodiment, the target signal includes SRS (Sounding reference signal).

As an embodiment, the target signal includes Semi-Persistent (SP) SRS.

As an embodiment, the target signal includes aperiodic SRS.

As an embodiment, the target signal includes a PUSCH configuration grant.

As an embodiment, the target signal includes PDSCH (Physical downlink shared channel) of Semi-Persistent Scheduling (SPS, Semi-Persistent Scheduling).

As an embodiment, the configuration in the first information is adopted from the first time.

As an embodiment, the first information includes quasi-co-location relationship information.

As an embodiment, the first information includes spatial relationship information.

As an embodiment, the first information includes power control information.

As an embodiment, the first information includes SRS request information.

As an embodiment, the first information includes information about a minimum applicable scheduling offset (Minimum applicable scheduling offset).

As an embodiment, the first information includes secondary cell dormancy information.

As an embodiment, the first information includes release of SPS PDSCH.

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

As an embodiment, the first time is a time domain symbol.

As an embodiment, the time domain symbols in this application are multi-carrier symbols.

As an embodiment, the time domain symbols in this application are OFDM symbols.

As an embodiment, the time domain symbols in this application are SC-FDMA (Single Carrier-Frequency Division Multiple Access, single carrier frequency division multiple access) symbols.

As an embodiment, the time domain symbols in this application are DFT-S-OFDM (Discrete Fourier Transform Spread OFDM, Discrete Fourier Transform Orthogonal Frequency Division Multiplexing) symbols.

As an embodiment, the time domain symbols in this application are FBMC (Filter Bank Multi Carrier) symbols.

As an embodiment, the time domain symbols in this application include CP (Cyclic Prefix, cyclic prefix).

As an embodiment, the first time is a moment.

As an embodiment, the first time is composed of continuous time domain resources.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is the last time domain symbol of the earliest PUCCH among the plurality of PUCCHs. The first time slot that is at least K time domain symbols later; the K is a preset or configurable non-negative integer.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is the last time domain symbol of the earliest PUCCH among the plurality of PUCCHs. The first sub-slot that is at least K time domain symbols later; the K is a preset or configurable non-negative integer.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is a first time domain shorter than the earliest PUCCH among the plurality of PUCCHs. The symbol is at least K times later than the first slot of time domain symbols; the K is a preset or configurable non-negative integer.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is at least after the last symbol of the earliest PUCCH among the plurality of PUCCHs. The first slot that is at least K symbols after the last symbol of the first/earliest PUCCH among the multiple PUCCHs; the K is a preset or configurable non-negative integer.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is the time slot to which the earliest PUCCH among the plurality of PUCCHs belongs in the time domain. The Nth time slot after; N is a non-negative integer.

As an example, the N is configurable.

As an embodiment, the N is related to the number of time slots included in one subframe.

As an embodiment, the N is not less than 3 times the number of time slots included in one subframe.

As an embodiment, N is equal to 3 times the number of time slots included in one subframe.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is a time slot or includes at least one time domain symbol, and the first time includes The earliest time domain symbol is not earlier than the last time domain symbol of the earliest PUCCH in the plurality of PUCCHs.

As an embodiment, the expression that the first time is associated with the earliest PUCCH among the plurality of PUCCHs includes: the first time is a time slot or includes at least one time domain symbol, and the first time includes The earliest time domain symbol of is no earlier than the earliest time domain symbol of the earliest PUCCH in the plurality of PUCCHs.

As an embodiment, the first time is associated with the last time domain symbol occupied by the earliest PUCCH in the time domain among the plurality of PUCCHs.

As an embodiment, the time domain resource occupied by the earliest PUCCH among the plurality of PUCCHs indicates the first time.

As an embodiment, the first time is not earlier than the last time domain symbol of the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first time is no earlier than the last time domain symbol occupied by the earliest PUCCH in the time domain among the plurality of PUCCHs.

As an embodiment, the starting time of the first time is not earlier than the ending time of the last time domain symbol of the latest PUCCH among the plurality of PUCCHs.

As an embodiment, the starting time of the first time is earlier than the ending time of the last time domain symbol of the latest PUCCH among the plurality of PUCCHs.

As an embodiment, the starting time of the first time is not earlier than the ending time of the last time domain symbol occupied by the earliest PUCCH in the time domain among the plurality of PUCCHs.

As an embodiment, the starting time of the first time is earlier than the ending time of the last time domain symbol occupied by the latest PUCCH in the time domain among the plurality of PUCCHs.

As an embodiment, the first DCI includes multiple fields indicating slot offsets between PDSCH and PUCCH.

As an embodiment, the first DCI includes multiple PDSCH-to-HARQ_feedback timing indicator fields.

As an embodiment, the first DCI is used to schedule multiple PDSCHs on multiple serving cells.

As an embodiment, one PUCCH among the plurality of PUCCHs uses the first information when being sent.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in Figure 2.

Figure 2 illustrates a diagram of the network architecture 200 of 5G NR, LTE (Long-Term Evolution, Long-Term Evolution) and LTE-A (Long-Term Evolution Advanced, Enhanced Long-Term Evolution) systems. The 5G NR or LTE network architecture 200 may be called EPS (Evolved Packet System) 200 or some other suitable term. EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core)/5G-CN (5G-Core Network) , 5G core network) 210, HSS (Home Subscriber Server) 220 and Internet service 230. EPS can interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks or other cellular networks that provide circuit-switched services. NG-RAN includes NR Node B (gNB) 203 and other gNBs 204. gNB 203 provides user and control plane protocol termination towards UE 201. gNB 203 may connect to other gNBs 204 via the Xn interface (eg, backhaul). gNB 203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmitting and receiving node) or some other suitable terminology. gNB203 provides UE201 with an access point to EPC/5G-CN 210. Examples of UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radio, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband IoT devices, machine type communications devices, land vehicles, automobiles, wearable devices, or any Other similar functional devices. Those skilled in the art may also refer to UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term. gNB203 is connected to EPC/5G-CN 210 through S1/NG interface. EPC/5G-CN 210 includes MME (Mobility Management Entity, mobility management entity)/AMF (Authentication Management Field, authentication management field)/UPF (User Plane Function, user plane function) 211, other MME/AMF/UPF 214, S-GW (Service Gateway) 212 and P-GW (Packet Date Network Gateway) 213. MME/AMF/UPF211 is a control node that handles signaling between UE201 and EPC/5G-CN 210. Basically, MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet Protocol) packets are transmitted through S-GW212, and S-GW212 itself is connected to P-GW213. P-GW213 provides UE IP address allocation and other functions. P-GW 213 is connected to Internet service 230. Internet service 230 includes the operator's corresponding Internet protocol service, which may specifically include the Internet, intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and packet switching streaming services.

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

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

As an embodiment, the gNB 203 corresponds to the first node in this application.

As an embodiment, the gNB 203 corresponds to the second node in this application.

As an embodiment, the UE201 corresponds to the first node in this application, and the gNB203 corresponds to the second node in this application.

As an embodiment, the gNB 203 is a macro cellular (MarcoCellular) base station.

As an embodiment, the gNB 203 is a Micro Cell base station.

As an embodiment, the gNB 203 is a PicoCell base station.

As an embodiment, the gNB 203 is a home base station (Femtocell).

As an embodiment, the gNB 203 is a base station device that supports a large delay difference.

As an embodiment, the gNB 203 is a flying platform device.

As an embodiment, the gNB 203 is a satellite device.

As an embodiment, the first node and the second node in this application both correspond to the UE 201, for example, V2X communication is performed between the first node and the second node.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3 . Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for user plane 350 and control plane 300, Figure 3 shows with three layers for a first communication node device (UE, gNB or RSU in V2X) and a second Radio protocol architecture of the control plane 300 between the communication node device (gNB, UE or RSU in V2X), or between two UEs: Layer 1, Layer 2 and Layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be called PHY301 in this article. Layer 2 (L2 layer) 305 is above the PHY 301 and is responsible for the link between the first communication node device and the second communication node device and the two UEs through the PHY 301. L2 layer 305 includes MAC (Medium Access Control, media access control) sublayer 302, RLC (Radio Link Control, wireless link layer control protocol) sublayer 303 and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sub-layers terminate at the second communication node device. PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides handoff support for a first communication node device between second communication node devices. 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. MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (eg, resource blocks) in a cell among first communication node devices. MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control, radio resource control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and using the second communication node device and the first communication node device. Inter-RRC signaling is used to configure the lower layers. 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 for the physical layer 351, L2 The PDCP sublayer 354 in the layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 are generally the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 is also Provides header compression for upper layer packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol, Service Data Adaptation Protocol) sublayer 356. The SDAP sublayer 356 is responsible for the mapping between QoS flows and data radio bearers (DRB, Data Radio Bearer). , to support business diversity. Although not shown, the first communication node device may have several upper layers above the L2 layer 355, including a network layer (eg, IP layer) terminating at the P-GW on the network side and another terminating at the connection. The application layer at one end (e.g., remote UE, server, etc.).

As an embodiment, the wireless protocol architecture in Figure 3 is applicable to the first node in this application.

As an embodiment, the wireless protocol architecture in Figure 3 is applicable to the second node in this application.

As an embodiment, the first DCI in this application is generated in the MAC sublayer 302.

As an embodiment, the first DCI in this application is generated in the MAC sublayer 352.

As an embodiment, the first DCI in this application is generated from the PHY301.

As an embodiment, the first DCI in this application is generated from the PHY351.

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 . Figure 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in the access network.

The first 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.

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

In transmission from the first communication device 410 to the second communication device 450, upper layer data packets from the core network are provided to the controller/processor 475 at the first communication device 410. Controller/processor 475 implements the functionality of the L2 layer. In transmission from the first communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels Multiplexing, and radio resource allocation to the second communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets, and signaling to the second communications device 450 . Transmit processor 416 and multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (ie, physical layer). The transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communications device 450, as well as 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)) shoot. The multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to a subcarrier, multiplexes it with a reference signal (eg, a pilot) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel carrying a stream of time-domain multi-carrier symbols. Then the multi-antenna transmit processor 471 performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, which is then provided to a different antenna 420.

In transmission from the first communications device 410 to the second communications device 450 , each receiver 454 receives the signal via its respective antenna 452 at the second communications device 450 . Each receiver 454 recovers the information modulated onto the radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier 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 of the L1 layer. Multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from receiver 454. The receive processor 456 converts the baseband multi-carrier symbol stream after the received 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 receiving processor 456, where the reference signal will be used for channel estimation, and the data signal is recovered after multi-antenna detection in the multi-antenna receiving processor 458. The second communication device 450 is any spatial stream that is the destination. The symbols on each spatial stream are demodulated and recovered in the receive processor 456, and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover upper layer data and control signals transmitted by the first communications device 410 on the physical channel. Upper layer data and control signals are then provided to controller/processor 459. Controller/processor 459 implements the functions of the L2 layer. Controller/processor 459 may be associated with memory 460 which stores program code and data. Memory 460 may be referred to as computer-readable media. In transmission from the first 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 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 transmission from the second communications device 450 to the first communications device 410, at the second communications device 450, a data source 467 is used 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 functionality at the first communications device 410 as described in transmission from the first communications device 410 to the second communications device 450, the controller/processor 459 implements headers based on radio resource allocation Compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels, implement L2 layer functions for the user plane and control plane. The controller/processor 459 is also responsible for retransmission of lost packets, and signaling to the first communications device 410 . The transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beam forming processing, and then transmits The processor 468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which undergoes analog precoding/beamforming operations in the multi-antenna transmit processor 457 and then is provided to different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.

In the transmission from the second communication device 450 to the first communication device 410, the functionality at the first communication device 410 is similar to that in the transmission from the first communication device 410 to the second communication device 450. The reception function at the second communication device 450 is described in the transmission. Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to multi-antenna receive processor 472 and receive processor 470. The receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer. Controller/processor 475 implements L2 layer functions. Controller/processor 475 may be associated with memory 476 that stores program code and data. Memory 476 may be referred to as computer-readable media. In transmission from the second communications device 450 to the first communications device 410, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer data packets from UE450. Upper layer packets from controller/processor 475 may be provided to the core network.

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

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

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

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

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

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

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

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

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

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

As a sub-embodiment of the above embodiment, the first communication device 410 includes: at least one controller/processor; the at least one controller/processor is responsible for using positive acknowledgment (ACK) and/or negative acknowledgment (NACK). ) protocol performs error detection to support HARQ operation.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together. The second communication device 450 device at least: receives a first DCI, the first DCI is used to indicate the first information; sends a plurality of PUCCHs; wherein the first DCI is used to determine the plurality of PUCCHs; The first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.

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

As an embodiment, the second communication device 450 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: receiving a first A DCI, the first DCI is used to indicate the first information; multiple PUCCHs are sent; wherein the first DCI is used to determine the multiple PUCCHs; the first information is used starting from the first time , the first time is associated with the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together. The first communication device 410 device at least: sends a first DCI, the first DCI is used to indicate the first information; receives a plurality of PUCCHs; wherein the first DCI is used to determine the plurality of PUCCHs; The first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.

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

As an embodiment, the first communication device 410 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: sending a first A DCI, the first DCI is used to indicate the first information; multiple PUCCHs are received; wherein the first DCI is used to determine the multiple PUCCHs; the first information is used starting from the first time , the first time is associated with the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller/processor 459, the memory 460, the data At least one of the sources 467} is used to receive the first DCI in this application.

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

As an embodiment, {the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, the controller/processor 459, the memory 460, the data At least one of the sources 467} is used to receive the PDSCH in this application.

As an embodiment, at least one of {the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475, and the memory 476} One is used to send the PDSCH in this application.

As an embodiment, {the antenna 452, the transmitter 454, the multi-antenna transmit processor 458, the transmit processor 468, the controller/processor 459, the memory 460, the data At least one of the sources 467} is used to transmit the PUCCH in this application.

As an embodiment, at least one of {the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475, and the memory 476} One is used to receive the PUCCH in this application.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together. The second communication device 450 at least: receives a first DCI; sends a plurality of PUCCHs; wherein the first DCI is Used to determine the plurality of PUCCHs; the plurality of PUCCHs respectively belong to different time slots in the time domain, or there are two PUCCHs among the plurality of PUCCHs that are respectively sent on different serving cells.

As an embodiment, the second communication device 450 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: receiving a first One DCI; sending multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different time slots in the time domain, or there are The two PUCCHs are sent on different serving cells respectively.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together. The first communication device 410 at least: sends a first DCI; receives a plurality of PUCCHs; wherein the first DCI is used to determine the plurality of PUCCHs; the plurality of PUCCHs respectively belong to different ones in the time domain. time slot, or two PUCCHs among the plurality of PUCCHs are respectively transmitted on different serving cells.

As an embodiment, the first communication device 410 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: sending a first One DCI; receiving multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different time slots in the time domain, or there are The two PUCCHs are transmitted on different serving cells respectively.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together. The second communication device 450 is configured to at least: receive a first DCI; wherein the first DCI is used to indicate SPS PDSCH release and is also used to schedule at least one PDSCH.

As an embodiment, the second communication device 450 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: receiving a first A DCI; wherein the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the At least one processor is used together. The first communication device 410 at least: sends a first DCI; wherein the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

As an embodiment, the first communication device 410 includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: sending a first A DCI; wherein the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

Example 5

Embodiment 5 illustrates a signal transmission flow chart according to an embodiment of the present application, as shown in FIG. 5 . In Figure 5, the first node U1 and the second node U2 communicate through the air interface. In Figure 5, the steps in dashed box F1 are optional.

The first node U1 receives the first DCI in step S511; receives multiple PDSCH groups in step S512; and sends multiple PUCCHs in step S513.

The second node U2 sends the first DCI in step S521; sends multiple PDSCH groups in step S522; and receives multiple PUCCHs in step S523.

In Embodiment 5, the first DCI is used to indicate first information, and the first information includes TCI status; the first DCI is Used to determine the plurality of PUCCHs; the first information is adopted starting from a first time, and the first time is at least K times later than the last time domain symbol of the earliest PUCCH in the plurality of PUCCHs. The first slot of the time domain symbol; the K is a preset or configurable non-negative integer; any one of the plurality of PDSCH groups includes at least one PDSCH, and the first DCI is used for scheduling The plurality of PDSCH groups and the plurality of PUCCHs are respectively used to send HARQ-ACK bits for the plurality of PDSCH groups.

As a sub-embodiment of Embodiment 5, the multiple PDSCH groups are received on multiple different serving cells respectively.

As a sub-embodiment of Embodiment 5, the multiple PDSCH groups are received on multiple different serving cells respectively; the multiple PUCCHs respectively belong to different time slots in the time domain, or the multiple There are two PUCCHs in the PUCCH that are sent on different serving cells.

As a sub-embodiment of Embodiment 5, the time domain resource occupied by a PUCCH other than the earliest PUCCH among the plurality of PUCCHs is after the first time, and the first information is used for the Transmission of the one PUCCH other than the earliest PUCCH among multiple PUCCHs.

As an embodiment, the first node U1 is the first node in this application.

As an embodiment, the second node U2 is the second node in this application.

As an embodiment, the first node U1 is a UE.

As an embodiment, the first node U1 is a base station.

As an embodiment, the second node U2 is a base station.

As an embodiment, the second node U2 is a UE.

As an embodiment, the air interface between the second node U2 and the first node U1 is a Uu interface.

As an embodiment, the air interface between the second node U2 and the first node U1 includes a cellular link.

As an embodiment, the air interface between the second node U2 and the first node U1 is a PC5 interface.

As an embodiment, the air interface between the second node U2 and the first node U1 includes a side link.

As an embodiment, the air interface between the second node U2 and the first node U1 includes a wireless interface between the base station equipment and the user equipment.

As an embodiment, the air interface between the second node U2 and the first node U1 includes a wireless interface between satellite equipment and user equipment.

As an embodiment, the air interface between the second node U2 and the first node U1 includes a wireless interface between user equipment and user equipment.

As an embodiment, the problems to be solved by this application include: how to enhance the timeliness of TCI status being adopted.

As an embodiment, the problem to be solved by this application includes: how to determine the time when certain information indicated by DCI associated with multiple PUCCHs starts to be used.

As an embodiment, the problems to be solved by this application include: how to reduce DCI signaling overhead.

As an embodiment, the problems to be solved by this application include: how to improve the scheduling flexibility of DCI signaling.

As an embodiment, the statement that receiving multiple PUCCHs includes: receiving at least HARQ-ACK bits in each of the multiple PUCCHs.

As an embodiment, the statement that sending multiple PDSCH groups includes: sending each PDSCH in the multiple PDSCH groups.

As an embodiment, the statement that sending multiple PDSCH groups includes: sending a transport block in each PDSCH in the multiple PDSCH groups.

As an example, the steps in dashed box F1 exist.

As an example, the steps in dashed box F1 do not exist.

As an embodiment, the time domain resources occupied by the plurality of PDSCHs are before the time domain resources occupied by the plurality of PUCCHs.

As an embodiment, the time domain resource occupied by one PDSCH among the plurality of PDSCHs is behind the time domain resource occupied by one PUCCH among the plurality of PUCCHs.

Example 6

Embodiment 6 illustrates a schematic diagram of the first time according to an embodiment of the present application, as shown in FIG. 6 . In Figure 6, a gray filled box represents the time domain resource occupied by one PUCCH, and the gray filled box with bold edges represents the time domain resource occupied by the earliest PUCCH among the multiple PUCCHs in this application. A white box represents a time slot, and a white filled box with a thick border represents the first time in this application.

In Embodiment 6, the first time is: a first time slot that is at least K time domain symbols later than the last time domain symbol of the earliest PUCCH among the plurality of PUCCHs; the K is a predetermined time domain symbol. A settable or configurable non-negative integer.

As an embodiment, the earliest PUCCH among the plurality of PUCCHs is the first PUCCH among the plurality of PUCCHs.

As an embodiment, the latest PUCCH among the plurality of PUCCHs is later than the first time.

As an embodiment, the latest PUCCH among the plurality of PUCCHs is earlier than the first time.

As an embodiment, the latest PUCCH among the plurality of PUCCHs has no time domain overlap with the first time.

As an embodiment, the latest PUCCH among the plurality of PUCCHs overlaps with the first time domain.

As an embodiment, the latest PUCCH among the plurality of PUCCHs is the last PUCCH among the plurality of PUCCHs.

As an embodiment, K is a preset constant.

As an example, the K is configurable.

As an embodiment, the K is configured by higher layer parameters.

As an embodiment, the K is configured by RRC signaling.

As an embodiment, the K is indicated by a field in an information element.

As an example, the K is configured by MAC CE.

As an embodiment, the K is determined by the first parameter value.

As an embodiment, the K is the first parameter value.

As an embodiment, the K is linearly related to the first parameter value.

As an example, the K is the first parameter value plus 1.

As an example, the K is the first parameter value minus 1.

As an embodiment, the K is indicated by the first parameter value.

As an embodiment, the first parameter value is indicated by a field in an information element.

As an embodiment, the first parameter value is a value of a higher layer parameter.

As an embodiment, the first parameter value is configured by RRC signaling.

As an embodiment, the first parameter value is configured by MAC CE.

As an embodiment, the name of the parameter corresponding to the first parameter value includes BeamAppTime_r17.

As an embodiment, the name of the parameter corresponding to the first parameter value includes at least one of Beam, App, or Time.

As an embodiment, the name of the parameter corresponding to the first parameter value includes r17.

As an embodiment, the name of the parameter corresponding to the first parameter value includes r18.

Example 7

Embodiment 7 illustrates a schematic diagram illustrating the first information according to an embodiment of the present application, as shown in FIG. 7 .

In Embodiment 7, the first information includes TCI status.

As an embodiment, a TCI state includes a configuration for configuring quasi-coherence between one or two downlink reference signals and the DM-RS port of the PDSCH, the DM-RS port of the PDCCH, or the CSI-RS port of the CSI-RS resource. parameters of the address relationship.

As an embodiment, a TCI state is used to obtain the QCL hypothesis of the DM-RS of the PDSCH, the DM-RS of the PDCCH and the CSI-RS adopting this TCI state, or, if applicable, is used to determine the use of this TCI state. UL TX spatial filter based on dynamically granted and configured PUSCH, PUCCH resources and SRS.

As an embodiment, the first information is the information indicated by the Transmission configuration indication field.

As an embodiment, the first information includes a TCI (Transmission Configuration Indicator) state, and the TCI state in the first information is different from the previous TCI state.

As an embodiment, the first information includes one or more TCI states.

Example 8

Embodiment 8 illustrates a schematic diagram of the relationship between the first DCI, multiple PDSCH groups and multiple PUCCHs according to an embodiment of the present application, as shown in FIG. 8 .

In Embodiment 8, the first node in this application receives multiple PDSCH groups, any one of the multiple PDSCH groups includes at least one PDSCH; the first DCI is used to schedule the multiple PDSCH groups. PDSCH group, the plurality of PUCCHs are respectively used to send HARQ-ACK bits for the plurality of PDSCH groups.

As an embodiment, the statement that receiving multiple PDSCH groups includes: receiving each PDSCH in the multiple PDSCH groups.

As an embodiment, the statement that receiving multiple PDSCH groups includes: receiving a transport block in each PDSCH in the multiple PDSCH groups.

As an embodiment, the first DCI is used to schedule all PDSCHs included in the plurality of PDSCH groups.

As an embodiment, the first DCI is used to schedule reception of all PDSCHs included in the plurality of PDSCH groups.

As an embodiment, the first DCI includes scheduling information for each PDSCH in the multiple PDSCH groups. The scheduling information includes {occupied frequency domain resources, occupied time domain resources, MCS (Modulation and coding scheme), RV (Redundancy Version), TCI status, at least one of the occupied antenna ports}.

As an embodiment, one PDSCH group among the plurality of PDSCH groups includes only one PDSCH.

As an embodiment, one PDSCH group among the plurality of PDSCH groups includes multiple PDSCHs.

As an embodiment, the HARQ-ACK bits for one PDSCH group among the plurality of PDSCH groups include: HARQ-ACK bits for the transport block in each PDSCH in this PDSCH group.

As an embodiment, the HARQ-ACK bits for one of the plurality of PDSCH groups include: HARQ-ACK bits used to indicate the decoding result of the transport block in each PDSCH in this PDSCH group.

As an embodiment, a given PDSCH group is one of the plurality of PDSCH groups, and any HARQ-ACK bit for the given PDSCH group is sent in only one PUCCH of the plurality of PUCCHs.

As an embodiment, the multiple PDSCH groups are received on multiple different serving cells respectively.

As an embodiment, the multiple PDSCH groups are received on the same serving cell.

As an embodiment, the value of at least one HARQ-ACK bit for the PDSCH scheduled for the first DCI that is sent in the earliest PUCCH among the plurality of PUCCHs is 1.

As an embodiment, the value of at least one HARQ-ACK bit for the PDSCH scheduled by the first DCI that is sent in the earliest PUCCH among the plurality of PUCCHs represents ACK.

As an embodiment, the value of at least one HARQ-ACK bit for the PDSCH scheduled by the first DCI that is sent in each of the plurality of PUCCHs is 1.

As an embodiment, the value of at least one HARQ-ACK bit for the PDSCH scheduled by the first DCI that is sent in each of the plurality of PUCCHs represents ACK.

Example 9

Embodiment 9 illustrates a schematic diagram of multiple PUCCHs according to an embodiment of the present application, as shown in FIG. 9 .

In Embodiment 9, the plurality of PUCCHs respectively belong to different time slots in the time domain.

As an embodiment, the plurality of PUCCHs respectively belong to different sub-slots in the time domain.

As an embodiment, the plurality of PUCCHs respectively carry different UCI bits.

As an embodiment, the multiple PUCCHs are sent on the same serving cell.

As an embodiment, the plurality of PUCCHs are sent on the primary serving cell (PCell).

Example 10

Embodiment 10 illustrates a schematic diagram of multiple PUCCHs according to an embodiment of the present application, as shown in Figure 10.

In Embodiment 10, two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, at least two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, two PUCCHs among the plurality of PUCCHs belong to different PUCCH groups (PUCCH groups).

As an embodiment, any PUCCH among the plurality of PUCCHs belongs to one of the primary PUCCH group (primary PUCCH group) or the secondary PUCCH group (secondary PUCCH group).

Example 11

Embodiment 11 illustrates a schematic diagram of the relationship between the first information and multiple PUCCHs according to an embodiment of the present application, as shown in FIG. 11 .

In Embodiment 11, the first information is used for sending a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first information includes a target TCI state, and the target TCI state is used to determine the UL TX spatial filter of a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first information is not used for sending the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the UL TX spatial filter used by the earliest PUCCH among the plurality of PUCCHs is determined by the TCI status indicated by signaling before the first DCI.

As an embodiment, the first information includes a target power control amount, and the target power control amount is used for power control of a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the time domain resource occupied by a PUCCH other than the earliest PUCCH among the plurality of PUCCHs is not earlier than the first time.

As an embodiment, the starting time of the time domain resource occupied by a PUCCH other than the earliest PUCCH among the plurality of PUCCHs is not earlier than the starting time of the first time.

As an embodiment, the earliest time domain symbol occupied by a PUCCH other than the earliest PUCCH among the plurality of PUCCHs is not earlier than the earliest time domain symbol included in the first time.

As an embodiment, the time domain resource occupied by a PUCCH other than the earliest PUCCH among the plurality of PUCCHs is after the first time.

Example 12

Embodiment 12 illustrates a structural block diagram of a processing device in a first node device, as shown in FIG. 12 . In Figure 12, the first node device processing device 1200 includes a first receiver 1201 and a first transmitter 1202.

As an embodiment, the first node device 1200 is a base station.

As an embodiment, the first node device 1200 is user equipment.

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

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

As an embodiment, the first node device 1200 is a user equipment supporting V2X communication.

As an embodiment, the first node device 1200 is a relay node that supports V2X communication.

As an embodiment, the first node device 1200 is a user device with low processing power.

As an embodiment, the first node device 1200 is a user equipment supporting carrier aggregation.

As an embodiment, the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least one of the sources 467.

As an embodiment, the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first five of source 467.

As an embodiment, the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first four of source 467.

As an embodiment, the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first three of source 467.

As an embodiment, the first receiver 1201 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data shown in Figure 4 of this application. At least the first two in source 467.

As an embodiment, the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least one of the data sources 467.

As an embodiment, the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first five of data sources 467.

As an embodiment, the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first four of data sources 467.

As an embodiment, the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first three of data sources 467.

As an embodiment, the first transmitter 1202 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmit processor 468, controller/processor 459, memory 460 and At least the first two of data sources 467.

As an embodiment, the first receiver 1201 receives a first DCI, and the first DCI is used to indicate first information; the first transmitter 1202 sends multiple PUCCHs; wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time associated with the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first time is: the first time slot that is at least K time domain symbols later than the last time domain symbol of the earliest PUCCH among the plurality of PUCCHs; the K is preset or configurable non-negative integer.

As an embodiment, the first information includes TCI status.

As an embodiment, the first receiver 1201 receives multiple PDSCH groups, and any one of the multiple PDSCH groups includes at least one PDSCH; wherein the first DCI is used to schedule the multiple PDSCH groups. PDSCH group, the plurality of PUCCHs are respectively used to send HARQ-ACK bits for the plurality of PDSCH groups.

As an embodiment, the plurality of PUCCHs respectively belong to different time slots in the time domain, or two of the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, the first information is used for sending a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first receiver 1201 receives a first DCI; the first transmitter 1202 sends multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; The plurality of PUCCHs respectively belong to different time slots in the time domain, or two of the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

As an embodiment, one PUCCH among the plurality of PUCCHs is used to send HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another PUCCH among the plurality of PUCCHs is used to send HARQ-ACK bits of the PDSCH scheduled for the first DCI.

As an embodiment, the first receiver 1201 receives a first DCI; wherein the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

As an embodiment, the SPS PDSCH corresponding to the SPS PDSCH release indicated by the first DCI and a PDSCH scheduled by the first DCI respectively belong to different serving cells.

As an embodiment, the first transmitter 1202 sends multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different time slots in the time domain. , or, two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells.

As an embodiment, one PUCCH among the plurality of PUCCHs is used to send the SPS indicated for the first DCI. HARQ-ACK bits released by PDSCH, and another PUCCH among the plurality of PUCCHs is used to send HARQ-ACK bits for at least one PDSCH scheduled by the first DCI.

As an embodiment, the plurality of PUCCHs respectively belong to different time slots in the time domain.

As an embodiment, two PUCCHs among the plurality of PUCCHs are respectively sent on different serving cells.

Example 13

Embodiment 13 illustrates a structural block diagram of a processing device in a second node device, as shown in FIG. 13 . In Figure 13, the second node device processing device 1300 includes a second transmitter 1301 and a second receiver 1302.

As an embodiment, the second node device 1300 is user equipment.

As an embodiment, the second node device 1300 is a base station.

As an embodiment, the second node device 1300 is a satellite device.

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

As an embodiment, the second node device 1300 is a vehicle-mounted communication device.

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

As an embodiment, the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least one.

As an embodiment, the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first five.

As an embodiment, the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first four.

As an embodiment, the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first three.

As an embodiment, the second transmitter 1301 includes the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first two.

As an embodiment, the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least one.

As an embodiment, the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first five.

As an embodiment, the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first four.

As an embodiment, the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first three.

As an embodiment, the second receiver 1302 includes the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 in Figure 4 of this application. At least the first two.

As an embodiment, the second transmitter 1301 sends a first DCI, and the first DCI is used to indicate first information; the second receiver 1302 receives multiple PUCCHs; wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time associated with the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the first information includes TCI status.

As an embodiment, the second transmitter 1301 sends multiple PDSCH groups, and any one of the multiple PDSCH groups includes At least one PDSCH; wherein the first DCI is used to schedule the plurality of PDSCH groups, and the plurality of PUCCHs are respectively used to transmit HARQ-ACK bits for the plurality of PDSCH groups.

As an embodiment, the multiple PDSCH groups are transmitted on multiple different serving cells respectively.

As an embodiment, the plurality of PUCCHs respectively belong to different time slots in the time domain, or there are two PUCCHs among the plurality of PUCCHs that are respectively transmitted on different serving cells.

As an embodiment, the first information is used for transmission of a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.

As an embodiment, the second transmitter 1301 sends a first DCI; the second receiver 1302 receives multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; The plurality of PUCCHs respectively belong to different time slots in the time domain, or two of the plurality of PUCCHs are respectively transmitted on different serving cells.

As an embodiment, one of the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another of the plurality of PUCCHs is used to transmit HARQ-ACK bits of the PDSCH scheduled for the first DCI.

As an embodiment, the second transmitter 1301 sends multiple PDSCH groups, any one of the multiple PDSCH groups includes at least one PDSCH; wherein the first DCI is used to schedule the multiple PDSCH groups. PDSCH group, the plurality of PUCCHs are respectively used to transmit HARQ-ACK bits for the plurality of PDSCH groups.

As an embodiment, a given PDSCH group is one of the plurality of PDSCH groups, and any HARQ-ACK bit for the given PDSCH group is transmitted in only one PUCCH of the plurality of PUCCHs.

As an embodiment, the second transmitter 1301 sends a first DCI; wherein the first DCI is used to indicate SPS PDSCH release (release) and is also used to schedule at least one PDSCH.

As an embodiment, the second receiver 1302 receives multiple PUCCHs; wherein the first DCI is used to determine the multiple PUCCHs; the multiple PUCCHs respectively belong to different time slots in the time domain. , or, two PUCCHs among the plurality of PUCCHs are respectively transmitted on different serving cells.

As an embodiment, one of the plurality of PUCCHs is used to transmit HARQ-ACK bits released for the SPS PDSCH indicated by the first DCI, and another of the plurality of PUCCHs is used to transmit HARQ-ACK bits of at least one PDSCH scheduled for the first DCI.

As an embodiment, two PUCCHs among the plurality of PUCCHs are respectively transmitted on different serving cells.

Those of ordinary skill in the art can understand that all or part of the steps in the above method can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps of the above embodiments can also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above embodiments can be implemented in the form of hardware or in the form of software function modules. This application is not limited to any specific form of combination of software and hardware. The first node devices in this application include but are not limited to mobile phones, tablets, laptops, Internet cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control aircraft, etc. Wireless communications equipment. The second node devices in this application include but are not limited to mobile phones, tablets, laptops, Internet cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control aircraft, etc. Wireless communications equipment. The user equipment or UE or terminal in this application includes but is not limited to mobile phones, tablets, notebooks, Internet cards, low-power devices, eMTC equipment, NB-IoT equipment, vehicle-mounted communication equipment, aircraft, airplanes, etc. Human-machine, remote control aircraft and other wireless communication equipment. The base station equipment or base station or network side equipment in this application includes but is not limited to macro cell base station, micro cell base station, home base station, relay base station, eNB, gNB, transmission and reception node TRP, GNSS, relay satellite, satellite base station, aerial Base stations, test devices, test equipment, test instruments and other equipment.

It will be understood by those skilled in the art that the present invention may be embodied in other specified forms without departing from its core or essential characteristics. Accordingly, the presently disclosed embodiments are to be regarded in any way as illustrative rather than restrictive. The scope of the invention is determined by the appended claims rather than the foregoing description, and all modifications within the meaning and range of equivalents are deemed to be included therein.

Claims

A first node used for wireless communication, characterized by including:

A first receiver receives first DCI, where the first DCI is used to indicate first information;

The first transmitter sends multiple PUCCHs;

Wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.
The first node according to claim 1, characterized in that the first time is: a first time domain symbol that is at least K times later than the last time domain symbol of the earliest PUCCH in the plurality of PUCCHs. time slots; the K is a preset or configurable non-negative integer.
The first node according to claim 1 or 2, characterized in that the first information includes TCI status.
The first node according to any one of claims 1 to 3, characterized in that it includes:

The first receiver receives a plurality of PDSCH groups, any one of the plurality of PDSCH groups including at least one PDSCH;

Wherein, the first DCI is used to schedule the multiple PDSCH groups, and the multiple PUCCHs are respectively used to send HARQ-ACK bits for the multiple PDSCH groups.
The first node according to claim 4, characterized in that the plurality of PDSCH groups are received on a plurality of different serving cells.
The first node according to any one of claims 1 to 5, characterized in that the plurality of PUCCHs respectively belong to different time slots in the time domain, or there are two PUCCHs among the plurality of PUCCHs. are sent on different serving cells respectively.
The first node according to any one of claims 1 to 6, characterized in that the first information is used for sending a PUCCH other than the earliest PUCCH among the plurality of PUCCHs.
A second node used for wireless communication, characterized by including:

a second transmitter, transmitting a first DCI, the first DCI being used to indicate the first information;

The second receiver receives multiple PUCCHs;

Wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.
A method used in a first node of wireless communication, characterized by comprising:

receiving first DCI, the first DCI being used to indicate first information;

Send multiple PUCCHs;

Wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.
A method used in a second node for wireless communication, characterized by comprising:

sending a first DCI, the first DCI being used to indicate the first information;

Receive multiple PUCCH;

Wherein, the first DCI is used to determine the plurality of PUCCHs; the first information is used starting from a first time, and the first time is associated with the earliest PUCCH among the plurality of PUCCHs.