WO2023103831A1

WO2023103831A1 - Method and apparatus used in node for wireless communication

Info

Publication number: WO2023103831A1
Application number: PCT/CN2022/134898
Authority: WO
Inventors: 胡杨; 张晓博
Original assignee: 上海朗帛通信技术有限公司
Priority date: 2021-12-10
Filing date: 2022-11-29
Publication date: 2023-06-15
Also published as: CN116264493A

Abstract

Disclosed in the present application are a method and apparatus used in a node for wireless communication. A first receiver receives first information for determining a target mode, wherein the target mode is a candidate mode in a candidate mode set, the candidate mode set comprises a candidate mode indicating ACK or NACK, and the candidate mode set further comprises at least one of two candidate modes, i.e., a candidate mode merely indicating NACK and a candidate mode giving up the indication of HARQ-ACK; the first receiver receives a second signal and acquires target HARQ-ACK information; and a first transmitter sends a first signal carrying at least a target bit, wherein if the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK, and if the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has not been sent, the target bit indicates the target HARQ-ACK information.

Description

A method and device used in a node for wireless communication

technical field

The present application relates to a transmission method and device in a wireless communication system, especially a wireless signal transmission method and device in a wireless communication system supporting a cellular network.

Background technique

HARQ-ACK (Hybrid Automatic Repeat reQuest ACKnowledgment, hybrid automatic repeat request confirmation) feedback is an important means to ensure transmission reliability in wireless communication. 3GPP (3rd Generation Partner Project, third-generation partnership project) has enhanced HARQ-ACK feedback in many different aspects in NR (New Radio, new air interface) Release 17.

Contents of the invention

For different HARQ-ACK feedback modes obtained after enhancement, how to determine the value of HARQ-ACK bits is a key problem to be solved.

Aiming at the above problems, the present application discloses a solution. It should be noted that the present application is not only applicable to scenarios with the above-mentioned problems, but also applicable to scenarios with other problems similar to the above-mentioned problems, and achieves similar technical effects. In addition, adopting a unified solution for different scenarios can also help reduce hardware complexity and cost, or improve performance. In the case of no conflict, the embodiments and features in any node of the present application can be applied to any other node. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

As an example, the explanation of the term (Terminology) in this application refers to the definition of the TS36 series of standard protocols of 3GPP.

As an example, the explanation of terms in this application refers to the definitions of the TS38 series of standard protocols of 3GPP.

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

As an example, the interpretation of terms in this application refers to the definition of the specification protocol of IEEE (Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers).

The present application discloses a method used in a first node of wireless communication, which is characterized in that it includes:

receiving first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, the candidate mode set includes a candidate mode indicating ACK or NACK, the candidate mode The set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK;

receiving a second signal, and acquiring target HARQ-ACK information, where the target HARQ-ACK information is associated with the second signal;

sending a first signal carrying at least the target bit;

Wherein, the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is the candidate mode When there is at least one candidate mode in the set and all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.

As an embodiment, the benefits of the above method include: the reliability of uplink transmission is enhanced.

As an embodiment, the advantages of the above method include: enhancing the consistency of understanding of the generated HARQ-ACK codebook by both communicating parties.

As an embodiment, the advantages of the above method include: reducing the negative impact caused by the inconsistency of understanding of the HARQ-ACK information between the communicating parties.

As an embodiment, the benefits of the above method include: it is beneficial to reduce BLER (BLock Error Rate, block error rate).

As an embodiment, the advantages of the above method include: it is beneficial to improve spectrum efficiency.

As an embodiment, the advantages of the above method include: improving the robustness of HARQ-ACK feedback.

As an embodiment, the advantages of the above method include: avoiding the ambiguity of the definition of the third type of HARQ-ACK codebook caused by the introduction of a new HARQ-ACK feedback mode.

As an example, the advantages of the above method include: the standard revision requires less work.

According to one aspect of the present application, the above-mentioned method is characterized in that,

Whether the target HARQ-ACK information is sent is related to the target mode.

When the target mode is the first candidate mode and all conditions in the first condition set are met, the target bit is fixed to indicate NACK; the first condition set includes that at least the target HARQ-ACK information is not Sending, the first candidate mode is a candidate mode other than the candidate mode indicating ACK or NACK in the candidate mode set.

The first candidate mode is the candidate mode of the abandonment indication HARQ-ACK; the first set of conditions only includes: the target HARQ-ACK information is not sent.

The first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: before the first signal, there is an uplink physical layer channel reserved for the second Signal NACK.

The first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the candidate mode indicating ACK or NACK is adopted, the first node will (would) perform The result of the operation includes that the target HARQ-ACK information has been sent.

The first signal carries a first HARQ-ACK codebook, the target bit belongs to the first HARQ-ACK codebook, and the first HARQ-ACK codebook does not include a bit indicating an NDI value.

The present application discloses a method used in a second node of wireless communication, which is characterized in that it includes:

Sending first information, where the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode The set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK;

sending a second signal to which target HARQ-ACK information is associated;

receiving a first signal carrying at least a target bit;

As an embodiment, the expression "the target HARQ-ACK information has been sent" in this application includes the following meaning: the target HARQ-ACK information has been received by the second node.

As an embodiment, the expression "the target HARQ-ACK information has been sent" in this application includes the following meaning: the target HARQ-ACK information has been sent by the sender of the first signal.

As an embodiment, the expression "the target HARQ-ACK information is not sent" in this application includes the following meaning: the target HARQ-ACK information is not sent by the sender of the first signal.

Whether the target HARQ-ACK information is sent is related to the target mode.

The first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the candidate mode indicating ACK or NACK is adopted, the sender of the first signal will ( The result of the operation performed by would) includes that the target HARQ-ACK information has been sent.

The present application discloses a first node device used for wireless communication, which is characterized in that it includes:

The first receiver receives first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK , the set of candidate modes further includes at least one of two candidate modes indicating only NACK and giving up indicating HARQ-ACK;

The first receiver receives a second signal and acquires target HARQ-ACK information, where the target HARQ-ACK information is associated with the second signal;

a first transmitter, transmitting a first signal, the first signal carrying at least a target bit;

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

The second transmitter sends first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK , the set of candidate modes further includes at least one of two candidate modes indicating only NACK and giving up indicating HARQ-ACK;

The second transmitter transmits a second signal to which target HARQ-ACK information is associated;

a second receiver receiving a first signal carrying at least a target bit;

As an embodiment, the method in this application has the following advantages:

- Enhanced reliability of uplink transmissions.

- Enhanced consistency of understanding between both parties in the communication.

- Improved spectral efficiency.

- Improved robustness of HARQ-ACK feedback.

Description of drawings

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

Fig. 1 shows the processing flowchart of the first node according to an embodiment of the present application;

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

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

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

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

FIG. 6 shows a schematic diagram of the relationship between target HARQ-ACK information and target modes according to an embodiment of the present application;

FIG. 7 shows a target mode according to an embodiment of the present application, a schematic diagram of the relationship between the first condition set and the target bit;

FIG. 8 shows a schematic illustration of a first candidate mode and a first condition set according to an embodiment of the present application;

FIG. 9 shows a schematic illustration of a first candidate mode and a first condition set according to an embodiment of the present application;

FIG. 10 shows a schematic diagram of the relationship between target patterns and target bits according to an embodiment of the present application;

FIG. 11 shows a schematic diagram of the relationship between the target bit, the first signal and the first HARQ-ACK codebook according to an embodiment of the present application;

Fig. 12 shows a processing flowchart of a first node according to an embodiment of the present application;

Fig. 13 shows an explanatory schematic diagram before the first signal according to an embodiment of the present application;

Fig. 14 shows an explanatory diagram before the first signal according to an embodiment of the present application;

Fig. 15 shows an explanatory diagram before the first signal according to an embodiment of the present application;

FIG. 16 shows a structural block diagram of a processing device in a first node device according to an embodiment of the present application;

Fig. 17 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 solutions of the present application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of 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 flowchart of a first node according to an embodiment of the present application, as shown in FIG. 1 .

In Embodiment 1, the first node in this application receives the first information in step 101; receives the second signal in step 102; obtains the target HARQ-ACK information in step 103; sends the second signal in step 104 a signal.

In Embodiment 1, the first information is used to determine a target mode, and the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode The mode set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK; the target HARQ-ACK information is associated with the second signal; the first signal carries at least target bits; the The target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when the target When the mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is the candidate mode set When there is at least one candidate mode and all conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.

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

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

As an embodiment, the first information is one of DCI format 0_0, DCI format 0_1 or DCI format 0_2.

As an embodiment, the first information is DCI format 0_0, and for a specific definition of the DCI format 0_0, refer to Section 7.3.1.1 in 3GPP TS38.212.

As an embodiment, the first information is DCI format 0_1, and for a specific definition of the DCI format 0_1, refer to Section 7.3.1.1 in 3GPP TS38.212.

As an embodiment, the first information is DCI format 0_2, and for a specific definition of the DCI format 0_2, refer to Section 7.3.1.1 in 3GPP TS38.212.

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

As an embodiment, the first information is DCI format 1_0, and for a specific definition of the DCI format 1_0, refer to Section 7.3.1.2 in 3GPP TS38.212.

As an embodiment, the first information is DCI format 1_1, and for a specific definition of the DCI format 1_1, refer to Section 7.3.1.2 in 3GPP TS38.212.

As an embodiment, the first information is DCI format 1_2, and for a specific definition of the DCI format 1_2, refer to Section 7.3.1.2 in 3GPP TS38.212.

As an embodiment, the first information includes one or more fields in a DCI format.

As an embodiment, the first information is an uplink scheduling signaling (UpLink Grant Signaling).

As an embodiment, the first information is higher layer (higher layer) signaling.

As an embodiment, the first information is RRC signaling.

As an embodiment, the first information includes one or more fields in one RRC signaling.

As an embodiment, the first information includes an IE (Information Element, information element).

As an embodiment, the first information includes one or more fields in one IE.

As an embodiment, the first information is MAC CE (Medium Access Control layer Control Element, medium access control layer control element) signaling.

As an embodiment, the first information includes one or more fields in one MAC CE signaling.

As an embodiment, the first information includes an information element PDSCH-Config.

As an embodiment, the first information includes at least one field in the information element PDSCH-Config.

As an embodiment, the first information includes an information element PDSCH-ServingCellConfig.

As an embodiment, the first information includes at least one field in the information element PDSCH-ServingCellConfig.

As an embodiment, the first information includes an information element ServingCellConfig.

As an embodiment, the first information includes at least one field in the information element ServingCellConfig.

As an embodiment, the first information includes an information element ServingCellConfigCommon.

As an embodiment, the first information includes at least one field in the information element ServingCellConfigCommon.

As an embodiment, the first information includes an information element CellGroupConfig.

As an embodiment, the first information includes at least one field in the information element CellGroupConfig.

As an embodiment, the first information includes information in a MIB (Master Information Block).

As an embodiment, the first information includes information in a SIB (System Information Block).

As an embodiment, the name of the first information includes Multicast.

As an embodiment, the name of the first information includes harq-Feedback.

As an embodiment, the name of an optional field in the first information includes Multicast.

As an embodiment, the name of an optional field in the first information includes harq-Feedback.

As an embodiment, the name of the first information includes harq-Feedback-Option-Multicast.

As an embodiment, the name of an optional field in the first information includes harq-Feedback-Option-Multicast.

As an embodiment, the name of the first information includes harq-FeedbackEnabler-Multicast.

As an embodiment, the name of an optional field in the first information includes harq-FeedbackEnabler-Multicast.

As an embodiment, the first information includes a parameter harq-Feedback-Option-Multicast.

As an embodiment, the first information includes a parameter harq-FeedbackEnabler-Multicast.

As an embodiment, the first information includes parameters whose names include Multicast.

As an embodiment, the first information includes parameters whose names include Feedback.

As an embodiment, the first information includes parameters whose names include harq.

As an embodiment, the first information includes parameters whose names include harq-Feedback.

As an embodiment, the first information includes parameters whose names include at least two of Feedback, harq, and Multicast.

As an embodiment, the first information is used together with at least one other information to determine the target mode.

As an embodiment, the first information is used to indicate the target mode.

As an embodiment, the first information explicitly indicates the target mode.

As an embodiment, the first information implicitly indicates the target mode.

As an embodiment, the first information is used to indicate the target mode from the set of candidate modes.

As an embodiment, the first information is used to configure the target mode.

As an embodiment, the first information configuration DCI format is used to indicate the target mode.

As an embodiment, based on the configuration of the first information, signaling for scheduling the second signal is used to indicate the target mode.

As an embodiment, the first information is configured for one G-RNTI or one G-CS-RNTI.

As an embodiment, the signaling for scheduling the second signal is in a DCI format.

As an embodiment, the signaling for scheduling the second signal is in a multicast (multicast) DCI format.

As an embodiment, the signaling for scheduling the second signal is a multicast DCI format associated with one G-RNTI.

As an embodiment, the signaling for scheduling the second signal is a DCI format in which a CRC is scrambled by a G-RNTI.

As an embodiment, the signaling for scheduling the second signal is a multicast DCI format associated with one G-RNTI or one G-CS-RNTI.

As an embodiment, the signaling for scheduling the second signal is a DCI format in which a CRC is scrambled by a G-RNTI or a G-CS-RNTI.

As an embodiment, the target mode is a mode configured for HARQ-ACK feedback for the second signal.

As an embodiment, the target mode is a mode adopted by the HARQ-ACK feedback of the second signal.

As an embodiment, the target mode is configured for the second signal.

As an embodiment, the target mode is configured for the scheduling of the first type of signaling, and the second signal is scheduled by one of the first type of signaling.

As an embodiment, the first type of signaling is configurable.

As an embodiment, the first type of signaling is a DCI format.

As an embodiment, the first type of signaling is a multicast (multicast) DCI format.

As an embodiment, the first type of signaling is a multicast DCI format associated with one G-RNTI.

As an embodiment, the first type of signaling is a DCI format in which a CRC is scrambled by a G-RNTI.

As an embodiment, the first type of signaling is a multicast DCI format associated with one G-RNTI or one G-CS-RNTI.

As an embodiment, the first type of signaling is a DCI format in which a CRC is scrambled by a G-RNTI or a G-CS-RNTI.

As an embodiment, the set of candidate patterns includes multiple candidate patterns.

As an embodiment, the set of candidate modes includes only two candidate modes.

As an embodiment, the set of candidate modes includes only three candidate modes.

As an embodiment, the set of candidate modes only includes the candidate mode indicating ACK or NACK and the candidate mode indicating HARQ-ACK being abandoned.

As an embodiment, the set of candidate modes only includes the candidate modes indicating ACK or NACK and the candidate modes indicating only NACK.

As an embodiment, the set of candidate modes includes the candidate mode indicating ACK or NACK, the abandonment of the candidate mode indicating HARQ-ACK and the candidate mode indicating only NACK.

As an embodiment, the set of candidate modes includes the candidate modes indicating ACK or NACK, and the abandonment indicates only the first two of the candidate modes indicating HARQ-ACK and the candidate modes indicating only NACK.

As an embodiment, the set of candidate modes includes only the first two of the candidate modes indicating ACK or NACK, the candidate modes indicating only NACK, and the candidate modes indicating HARQ-ACK not indicated.

As an embodiment, for the candidate mode indicating ACK or NACK, when the first node correctly decodes the transport block or detects the DCI format indicating SPS PDSCH release, the first node generates a HARQ with the value ACK - ACK information; otherwise, the first node generates HARQ-ACK information whose value is NACK.

As an embodiment, for the candidate mode indicating ACK or NACK, no matter whether the value of the generated HARQ-ACK information is ACK or NACK, the first node always intends to send the generated HARQ-ACK information.

As an embodiment, for the candidate mode indicating ACK or NACK, no matter whether the value of the generated HARQ-ACK information is ACK or NACK, the first node may be reserved for the generated HARQ-ACK information. The generated HARQ-ACK information is sent in the PUCCH of the ACK information.

As an embodiment, for the candidate mode indicating ACK or NACK, whether the value of the generated HARQ-ACK information is ACK or NACK does not affect whether the first node sends the generated HARQ-ACK information.

As an embodiment, for the candidate mode indicating ACK or NACK, whether the value of the generated HARQ-ACK information is ACK or NACK does not affect whether the first node sends the generated HARQ-ACK in a PUCCH information.

As an embodiment, for the candidate mode indicating ACK or NACK, whether the value of the generated HARQ-ACK information is ACK or NACK does not affect whether the first node sends the generated HARQ in a PUCCH or PUSCH. -ACK information.

As an embodiment, for the candidate mode indicating ACK or NACK, the HARQ-ACK information includes ACK or NACK.

As an embodiment, for the candidate mode indicating only NACK, the first node abstains from sending the PUCCH that would (would) include HARQ-ACK information whose value is only ACK.

As an embodiment, for the candidate mode that only indicates NACK, when the value of the generated HARQ-ACK information is ACK, the first node gives up sending the generated HARQ-ACK information.

As an embodiment, for the candidate mode that only indicates NACK, the value of the generated HARQ-ACK information is ACK, which is used to determine that the first node gives up sending the HARQ-ACK information reserved for the generated The PUCCH.

As an embodiment, when the target mode is the candidate mode that only indicates NACK: when the value of the HARQ-ACK information generated for the second signal is ACK, the first node gives up sending the The PUCCH corresponding to the second signal.

As an embodiment, for the candidate mode that only indicates NACK, when the value of the generated HARQ-ACK information is NACK, the first node intends to send the generated HARQ-ACK information.

As an embodiment, for the candidate mode that only indicates NACK, only when the value of the generated HARQ-ACK information is NACK, the first node may be reserved for the generated HARQ-ACK information The generated HARQ-ACK information is sent in the PUCCH.

As an embodiment, for the candidate mode indicating only NACK, the HARQ-ACK information includes only NACK.

As an embodiment, for the candidate mode in which the abandonment indicates HARQ-ACK, the first node always abandons sending HARQ-ACK information.

As an embodiment, for the candidate mode of giving up indicating HARQ-ACK, the first node does not provide HARQ-ACK information for PDSCH reception.

As an embodiment, for the candidate mode of giving up indicating HARQ-ACK, the first node does not provide HARQ-ACK information for PDSCH reception or SPS PDSCH release.

As an embodiment, when the target mode is the candidate mode of the abandonment indication HARQ-ACK, the first node does not provide HARQ-ACK information for the second signal.

As an embodiment, when the first information does not include the first parameter or the included first parameter is configured as 'disabled', the target mode is a candidate mode of the abandonment indication HARQ-ACK.

As an embodiment, the first parameter is the parameter harq-FeedbackEnabler-Multicast.

As an embodiment, the name of the first parameter includes Multicast.

As an embodiment, the name of the first parameter includes Feedback.

As an embodiment, the name of the first parameter includes harq.

As an embodiment, the name of the first parameter includes Enabl.

As an embodiment, the name of the first parameter includes Enabler.

As an embodiment, the name of the first parameter includes harq-Feedback.

As an embodiment, the name of the first parameter includes at least two of Feedback, harq, Enabler, and Multicast.

As an embodiment, when the target mode is the candidate mode indicating ACK or NACK or the candidate mode indicating only NACK, the target mode is a mode configured as HARQ-ACK feedback enabled (enabled) .

As an embodiment, when the target mode is the candidate mode indicating ACK or NACK or the candidate mode indicating only NACK, the first information includes a first parameter, and the first parameter is configured as ' enabled'.

As an embodiment, the first information includes a first parameter, and the first parameter is configured as 'enabled'.

As an embodiment, the first node further receives a first parameter, and the first parameter is configured as 'enabled'.

As an embodiment, when the target mode is not configured as the candidate mode that only indicates NACK and is not configured as the candidate mode that indicates HARQ-ACK, the target mode is defaulted to be the indication Candidate mode for ACK or NACK.

As an embodiment, there is at most one uplink physical layer channel used to transmit HARQ-ACK bits in each slot.

As an embodiment, one of the time slots in this application includes multiple time-domain symbols.

As an embodiment, one time slot in this application includes 7 time-domain symbols.

As an embodiment, one time slot in this application includes 14 time domain symbols.

As an embodiment, the time-domain symbol in this application is an OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol (Symbol).

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, filter bank multi-carrier) symbols.

As an embodiment, the multi-carrier symbol in this application refers to: the time-domain symbol.

As an example, one of the time slots in this application occupies 1 millisecond (ms).

As an example, one of the time slots in this application occupies 0.5 milliseconds.

As an example, one of the time slots in this application occupies 1/4 millisecond.

As an example, one of the time slots in this application occupies 1/8 millisecond.

As an example, one of the time slots in this application occupies 1/16 millisecond.

As an example, one of the time slots in this application occupies 1/32 millisecond.

As an example, one of the time slots in this application occupies 1/64 millisecond.

As an embodiment, the HARQ-ACK bits in this application are: HARQ-ACK information bits.

As an embodiment, the second signal is a wireless signal.

As an embodiment, the second signal is a baseband signal.

As an embodiment, the second signal is a radio frequency signal.

As an embodiment, the second signal is a PDSCH reception.

As an embodiment, the second signal includes a PDSCH reception.

As an embodiment, the second signal is a signal received in one PDSCH.

As an embodiment, the second signal includes a signal received in one PDSCH.

As an embodiment, the second signal carries a bit block.

As a sub-embodiment of the foregoing embodiment, the one bit block carried by the second signal includes one transport block.

As a sub-embodiment of the foregoing embodiment, the one bit block carried by the second signal is a transport block.

As a sub-embodiment of the foregoing embodiment, the one bit block carried by the second signal is received in the PDSCH.

As an embodiment, the second signal includes: the one bit block carried by the second signal undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), code block CRC attachment, channel coding ( Channel coding), Rate matching, Code block concatenation, Scrambling, Modulation, Layer mapping, Transform precoding, Precoding ( Precoding), resource block mapping, multi-carrier symbol generation, and output obtained after at least part of modulation up-conversion.

As an embodiment, the second signal includes: the one bit block carried by the second signal undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), code block CRC attachment, channel coding ( Channel coding), rate matching (Rate matching), code block concatenation (Codeblock concatenation), scrambling, modulation, layer mapping, antenna port mapping (Antenna port mapping), mapping to virtual resource blocks (Mapping to virtual resourceblocks), from virtual Resource blocks are mapped to physical resource blocks (Mapping from virtual to physical resource blocks), multi-carrier symbols are generated, and outputs obtained after at least part of modulation up-conversion.

As an embodiment, the second signal carries only one transport block.

As an embodiment, the second signal carries at most 2 transport blocks.

As an embodiment, the first node generates at most one HARQ-ACK bit for the second signal.

As an embodiment, the expression "obtain target HARQ-ACK information" includes: the first node has completed decoding the bit block carried by the second signal.

As an embodiment, the expression "obtain target HARQ-ACK information" includes: the first node has completed decoding the bit block carried by the second signal and already knows the bit block carried by the second signal The decoding result of the bit block.

As an embodiment, the expression "obtaining target HARQ-ACK information" includes: the first node has completed decoding a bit block carried by the second signal.

As an embodiment, the expression "acquiring target HARQ-ACK information" includes: the first node has completed demodulation and decoding of the second signal.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the target HARQ-ACK information is determined based on a result obtained after processing the second signal HARQ-ACK information.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the target HARQ-ACK information indicates a decoding result obtained after processing the second signal HARQ-ACK information.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the target HARQ-ACK information indicates whether the second signal is received correctly.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the target HARQ-ACK information includes indicating whether a bit block carried by the second signal is correct decoded information.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the target HARQ-ACK information includes an instruction to perform translation on a bit block carried by the second signal Information about the result of the code.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the result of decoding a bit block carried by the second signal is used to determine the Describe the value of the target HARQ-ACK information.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: whether a bit block carried by the second signal is correctly decoded and used to determine the target The value of the HARQ-ACK information.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the second signal carries a bit block, and when the bit block carried by the second signal is When decoding correctly, the value of the target HARQ-ACK information is ACK; when the bit block carried by the second signal is not decoded correctly, the value of the target HARQ-ACK information is NACK.

As an embodiment, the expression "the target HARQ-ACK information is associated with the second signal" includes: the target HARQ-ACK information is associated with a transport block carried by the second signal.

As an embodiment, the target HARQ-ACK information is HARQ-ACK information for one transport block.

As an embodiment, the target HARQ-ACK information is HARQ-ACK information for one CBG.

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

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

As an embodiment, the first signal is a radio frequency signal.

As an embodiment, the first signal is a PUCCH.

As an embodiment, the first signal includes a PUCCH.

As an embodiment, the first signal is sent in one PUCCH.

As an embodiment, the first signal is a signal sent in one PUCCH.

As an embodiment, the first signal includes a signal sent in one PUCCH.

As an embodiment, the first signal is a PUSCH.

As an embodiment, the first signal includes a PUSCH.

As an embodiment, the first signal is sent in one PUSCH.

As an embodiment, the first signal is a signal sent in one PUSCH.

As an embodiment, the first signal includes a signal sent in one PUSCH.

As an embodiment, the first signal carries a first bit block, and the first bit block includes the target bit.

As an embodiment, the first bit block includes at least one bit.

As an embodiment, the bits in the first bit block are all UCI (Uplink control information, uplink control information) bits.

As an embodiment, the first bit block further includes at least one HARQ-ACK bit other than the target bit.

As an embodiment, the first bit block further includes CSI (Channel state information, channel state information) bits.

As an embodiment, the first bit block further includes SR (Scheduling request, scheduling request) bits.

As an embodiment, the first bit block is the first HARQ-ACK codebook in this application.

As an embodiment, the first bit block includes the first HARQ-ACK codebook in this application.

As an embodiment, the first bit block further includes at least one transport block.

As an embodiment, the first signal includes: the first bit block undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), code block CRC attachment, channel coding (Channel coding), rate matching ( Rate matching), Code block concatenation, Scrambling, Modulation, Layer mapping, Transform precoding, Precoding, Resource block mapping, Multi-carrier symbol generation modulates the output obtained after at least part of the up-conversion.

As an embodiment, the first signal includes: the first bit block undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), code block CRC attachment, channel coding (Channel coding), rate matching ( Rate matching), code block concatenation (Code block concatenation), scrambling, modulation, layer mapping, antenna port mapping (Antenna port mapping), mapping to virtual resource blocks (Mapping to virtual resource blocks), mapping from virtual resource blocks to physical Resource blocks (Mapping from virtual to physical resource blocks), multi-carrier symbol generation, and output obtained after modulating at least part of the up-conversion.

As an embodiment, the first signal includes: an output of the first bit block after at least sequence generation (Sequence generation) and mapping to physical resources (Mapping to physical resources).

As an embodiment, the first signal includes: the output of the first bit block after at least sequence modulation (Sequence modulation) and mapping to physical resources.

As an embodiment, the first signal includes: the first bit block undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), code block CRC attachment, channel coding (Channel coding), rate matching ( Rate matching), code block concatenation (Code block concatenation), scrambling, modulation, spreading (Spreading), mapping to physical resources, multi-carrier symbol generation, and modulation of at least part of the output obtained after up-conversion.

As an embodiment, the first signal includes: the first bit block undergoes CRC attachment (CRC attachment), code block segmentation (Code block segmentation), code block CRC attachment, channel coding (Channel coding), rate matching ( Rate matching), code block concatenation (Code block concatenation), scrambling, modulation, block-wise spreading (Block-wise spreading), transform precoding (Transform precoding), mapping to physical resources (Mapping to physical resources), many Carrier symbols are generated to modulate at least part of the output obtained after upconversion.

As an embodiment, the first signal further carries at least one transport block.

As an embodiment, the target bit is a HARQ-ACK bit.

As an embodiment, the expression "the target bit is related to the target mode" in this application is related to "whether the target HARQ-ACK information is sent is related to the target mode, and the target bit is related to the target mode." Whether the target HARQ-ACK information is transmitted or not" are equivalent or interchangeable.

As an embodiment, the expression "the target bit is related to the target mode" and "whether the target HARQ-ACK information has been sent is related to the target mode" in this application, and the target bit is related to the target mode The above-mentioned target HARQ-ACK information has been sent" are equivalent or can be replaced with each other.

As an embodiment, the expression "the target bit is related to the target mode" in this application includes: when the target mode is the candidate mode that only indicates NACK, the first node adopts the The target bit is determined based on the hypothesis indicating the candidate mode of ACK or NACK.

As an embodiment, the target pattern is used to determine the target bits.

As an embodiment, the expression "the target HARQ-ACK information has been sent" and "the target HARQ-ACK information has been sent before the first signal" in this application are equivalent or can be mutually replace.

As an example, the expression "before the first signal" in this application means: before the reference time; the reference time is a time no later than the start time when the first signal is sent time.

As an embodiment, the reference time is a starting time when the first signal is sent.

As an embodiment, the reference time is not the start time when the first signal is sent.

As an embodiment, the time interval between the reference moment and the start moment when the first signal is sent is equal to the first duration in this application.

As an embodiment, the time interval between the reference moment and the start moment when the first signal is sent is not less than the first duration in this application.

As an embodiment, the expression "before the first signal" in this application includes: before the start moment when the first signal is sent.

As an embodiment, the expression "before the first signal" in this application includes: before a deadline for sending the first signal.

As an embodiment, the expression "before the first signal" in this application includes: being in a time slot before the time slot occupied by the sending of the first signal.

As an embodiment, the expression "before the first signal" in this application includes: before the earliest time-domain symbol occupied by the sending of the first signal.

As an embodiment, the expression "before the first signal" in this application includes: before the time taken by the processing performed to generate the first signal.

As an embodiment, the expression "before the first signal" in this application includes: before the time taken by the processing procedure performed to determine the target bit.

As an embodiment, the expression "before the first signal" in this application includes: before the time taken by the processing procedure performed to determine the HARQ-ACK codebook to which the target bit belongs.

As an embodiment, the expression "the target HARQ-ACK information has been sent before the first signal" includes: the target HARQ-ACK information is sent in an uplink physical layer channel, used The one uplink physical layer channel carrying the target HARQ-ACK information has been sent before the first signal starts to be sent.

As an embodiment, the expression "the target HARQ-ACK information has been sent before the first signal" includes: the target HARQ-ACK information is sent in an uplink physical layer channel, used The transmission of the one uplink physical layer channel carrying the target HARQ-ACK information is completed before the first signal starts to be transmitted.

As an embodiment, the expression "the target HARQ-ACK information has been sent before the first signal" includes: the target HARQ-ACK information is sent in an uplink physical layer channel, used The transmission of the one uplink physical layer channel carrying the target HARQ-ACK information has started before the first signal starts to be transmitted.

As an embodiment, the expression "the target HARQ-ACK information has been sent before the first signal" includes: the target HARQ-ACK information is sent in an uplink physical layer channel, used At the deadline of the latest time-domain symbol occupied by the transmission of the one uplink physical layer channel carrying the target HARQ-ACK information, at the earliest time-domain symbol occupied by the transmission of the first signal The time interval before and between the start time is equal to the duration occupied by N time-domain symbols, where N is related to the processing capability of the first node.

As an embodiment, the expression "the target HARQ-ACK information is not sent" and "the target HARQ-ACK information is not sent before the first signal" in this application are equivalent or can be mutually replace.

As an embodiment, the expression "the target HARQ-ACK information has not been sent" and "the target HARQ-ACK information has not been sent" in this application are equivalent or can be replaced with each other.

As an embodiment, the expression "the target HARQ-ACK information is not sent before the first signal" includes: there is no uplink physical layer channel used to carry the target HARQ-ACK information The first signal is sent before it starts to be sent.

As an embodiment, the expression "the target HARQ-ACK information is not sent before the first signal" includes: there is no uplink physical layer channel used to carry the target HARQ-ACK information The transmission of the first signal is completed before it starts to be transmitted.

As an embodiment, the expression "the target HARQ-ACK information is not sent before the first signal" includes: there is no uplink physical layer channel used to carry the target HARQ-ACK information The first signal starts to be sent before it starts to be sent.

As an embodiment, the expression "the target HARQ-ACK information is not sent before the first signal" includes: there is no uplink physical layer channel used to carry the target HARQ-ACK information is sent before a reference time, the reference time is before the start time of the earliest time-domain symbol occupied by the sending of the first signal and the time interval between the two is equal to the duration occupied by N time-domain symbols, The N is related to the processing capability of the first node.

As an embodiment, the expression "the target HARQ-ACK information is not sent before the first signal" includes: there is no uplink physical layer channel used to carry the target HARQ-ACK information The transmission has been completed before the reference time, the reference time is before the start time of the earliest time domain symbol occupied by the transmission of the first signal and the time interval between the two is equal to the duration occupied by N time domain symbols , the N is related to the processing capability of the first node.

As an embodiment, the expression "the target HARQ-ACK information is not sent before the first signal" includes: there is no uplink physical layer channel used to carry the target HARQ-ACK information The transmission has started before the reference time, the reference time is before the start time of the earliest time domain symbol occupied by the transmission of the first signal and the time interval between the two is equal to the duration occupied by N time domain symbols , the N is related to the processing capability of the first node.

As an embodiment, the N is a positive integer.

As an embodiment, the N is determined based on subcarrier spacing.

As an embodiment, the processing capability of the first node is used to determine the N.

As an embodiment, the processing capability of the first node, the subcarrier spacing used for receiving the second signal, and the subcarrier spacing used for sending the first signal are used to indicate the N.

As an embodiment, when determining whether the target HARQ-ACK information is sent before the first signal, the processing time required to generate the first signal is also counted as occupied by the sending of the first signal during the time.

As an embodiment, when determining whether the target HARQ-ACK information is sent before the first signal, the processing time required to generate the first signal is not occupied by the transmission of the first signal during the time.

As an embodiment, whether the target HARQ-ACK information has been sent or not is related to the sending of the first signal.

As an embodiment, whether the target HARQ-ACK information has been sent or not is referred to the starting moment of sending the first signal.

As an embodiment, whether the target HARQ-ACK information has been sent or not is for the time slot occupied by the sending of the first signal.

As an embodiment, whether the target HARQ-ACK information has been sent or not is related to the time taken by the processing performed to generate the first signal.

As an embodiment, whether the target HARQ-ACK information has been sent or not is related to the time occupied by the processing procedure performed for determining the target bit.

As an embodiment, whether the target HARQ-ACK information has been sent or not is related to the time occupied by the processing procedure performed to determine the HARQ-ACK codebook to which the target bit belongs.

As an embodiment, the target HARQ-ACK information has been acquired before the first signal.

As an embodiment, the target HARQ-ACK information has been acquired before the processing for determining the target bit starts.

As an embodiment, the target HARQ-ACK information has been acquired before the processing performed for generating the first signal starts.

As an embodiment, the target HARQ-ACK information is a result obtained after the first node performs a processing process on the second signal.

As an embodiment, the target HARQ-ACK information is not sent.

As an embodiment, the target HARQ-ACK information is not sent before the first signal.

As an embodiment, the expression "the target bit is fixed to indicate NACK" and "the target bit is fixed to be NACK" in this application are equivalent or can be replaced with each other.

As an embodiment, the expression "the target bit is fixed to indicate NACK" and "the value of the target bit is fixed to 0" in this application are equivalent or interchangeable.

As an embodiment, the expression "the target bit fixedly indicates NACK" in this application includes: the value of the target bit is independent of whether the value of the target HARQ-ACK information is ACK or NACK.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" and "the target bit indicates the value of the target HARQ-ACK information" in this application are equivalent or interchangeable of.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" and "the target bit is the value of the target HARQ-ACK information" in this application are equivalent or interchangeable of.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" and "the target bit is used to represent the target HARQ-ACK information" in this application are equivalent or interchangeable replace.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" and "the value of the target HARQ-ACK information is assigned to the target bit" in this application are equivalent or can be replace each other.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" and "the target bit is the bit generated by the target HARQ-ACK information" in this application are equivalent or can be replace each other.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" in this application includes:

When the value of the target HARQ-ACK information is NACK, the value of the target bit is 0; when the value of the target HARQ-ACK information is ACK, the value of the target bit is 1.

As an embodiment, the value of the target HARQ-ACK information is one of ACK or NACK.

As an embodiment, the value of the target HARQ-ACK information is ACK.

As an embodiment, the expression "the target bit indicates the target HARQ-ACK information" in this application includes: the value of the target bit is equal to the bit value corresponding to the target HARQ-ACK information, or , the value of the target bit is equal to the logical AND operation performed on the bit value corresponding to the target HARQ-ACK information and the bit value corresponding to the HARQ-ACK information of another transport block carried by the second signal result.

As an embodiment, the expression in this application "when the target mode is at least one candidate mode in the candidate mode set and all conditions in the first condition set are satisfied, the target bit fixed indication NACK; the first set of conditions includes that at least the target HARQ-ACK information is not sent" includes:

When the target mode is the first candidate mode and all conditions in the first condition set are met, the target bit is fixed to indicate NACK; the first condition set includes that at least the target HARQ-ACK information is not sent, The first candidate mode is a candidate mode other than the candidate mode indicating ACK or NACK in the candidate mode set.

When the target mode is any one of the candidate mode indicating only NACK and the candidate mode indicating HARQ-ACK and all conditions in the first set of conditions are met, the target bit is fixed to indicate NACK ; The first set of conditions includes that at least the target HARQ-ACK information is not sent.

As an embodiment, the first condition set includes only one condition.

As an embodiment, the first set of conditions includes multiple conditions.

As an embodiment, the first condition set only includes 2 conditions.

As an embodiment, the first condition set only includes 3 conditions.

As an embodiment, the first set of conditions only includes 4 conditions.

As an embodiment, the first condition set includes at least 5 conditions.

As an embodiment, the target bit is a HARQ-ACK bit for a given HARQ process number on a given serving cell.

As an embodiment, the target bits are bits used to indicate HARQ-ACK information for a given block of bits.

As an embodiment, the second signal carries the given bit block.

As an embodiment, said given block of bits is a transport block.

As an embodiment, the given bit block is a transmission block received in the latest PDSCH corresponding to the given HARQ process number on the given serving cell.

As an embodiment, the second signal is the latest PDSCH reception corresponding to the given HARQ process number on the given serving cell.

As an embodiment, the second signal is a signal in the last received PDSCH corresponding to the given process number on the given serving cell.

As an embodiment, the target HARQ-ACK information is HARQ-ACK information for the given HARQ process number on the given serving cell.

As an embodiment, the given serving cell is a serving cell configured for the first node.

As an embodiment, the given serving cell is any serving cell configured for the first node.

As an embodiment, the given serving cell is any serving cell configured for the first node and used for downlink transmission.

As an embodiment, the given serving cell is a serving cell corresponding to any HARQ-ACK bit in the first HARQ-ACK codebook in this application.

As an embodiment, the given serving cell is a primary cell.

As an embodiment, the given serving cell is a secondary cell (secondary cell).

As an embodiment, the given serving cell is a primary secondary cell (Primary secondary cell).

As an embodiment, the given HARQ process number is the HARQ process number of the HARQ process used for downlink transmission.

As an embodiment, the given HARQ process number is a non-negative integer.

As an embodiment, the given HARQ process number is a non-negative integer from 0 to 15.

As an embodiment, the given HARQ process number is a non-negative integer from 0 to 31.

As an embodiment, the given HARQ process number is a non-negative integer from 0 to 63.

As an embodiment, the given HARQ process number is one of a set of given HARQ process numbers configured for the given serving cell, and the given set of HARQ process numbers includes at least one HARQ process number.

As an embodiment, the given HARQ process number is any HARQ process number in the set of given HARQ process numbers.

As an embodiment, the given set of HARQ process numbers is configured by higher layer signaling.

As an embodiment, the given set of HARQ process numbers is configured by RRC signaling.

As an embodiment, the given set of HARQ process numbers is configured by one nrofHARQ-ProcessesForPDSCH parameter.

As an example, the expression "last time" refers to the first signal.

As an embodiment, the expression "last time" refers to the determination of the target bit.

Example 2

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

Accompanying drawing 2 illustrates 5G NR, the diagram of the network architecture 200 of LTE (Long-Term Evolution, long-term evolution) and LTE-A (Long-Term Evolution Advanced, enhanced long-term evolution) system. The 5G NR or LTE network architecture 200 may be referred to as EPS (Evolved Packet System, Evolved Packet System) 200 or some other suitable term. EPS 200 may include one or more UE (User Equipment, User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, EPC (Evolved Packet Core, Evolved Packet Core)/5G-CN (5G-Core Network , 5G core network) 210, HSS (Home Subscriber Server, home subscriber server) 220 and Internet service 230. The EPS may be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit-switched services or other cellular networks. NG-RAN includes NR Node B (gNB) 203 and other gNBs 204 . The gNB 203 provides user and control plane protocol termination towards the UE 201 . A gNB 203 may connect to other gNBs 204 via an Xn interface (eg, backhaul). A 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 Receiver Node) or some other suitable terminology. The gNB203 provides an access point to the EPC/5G-CN 210 for the UE201. Examples of UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, 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, NB-IoT devices, machine-type communication devices, land vehicles, automobiles, wearable devices, or any Other devices with similar functions. 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. The gNB203 is connected to the EPC/5G-CN 210 through the 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, service gateway) 212 and P-GW (Packet Date Network Gateway, packet data network gateway) 213. MME/AMF/UPF 211 is a control node that handles signaling between UE 201 and EPC/5G-CN 210. In general, MME/AMF/UPF 211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through the S-GW212, and the S-GW212 itself is connected to the P-GW213. P-GW213 provides UE IP address allocation and other functions. P-GW 213 is connected to Internet service 230 . The Internet service 230 includes the Internet protocol service corresponding to the operator, and specifically may include the Internet, the intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and packet-switched streaming services.

As an embodiment, the UE 201 corresponds to the first node in this application.

As an embodiment, the UE 201 corresponds to the second node in this application.

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

As an embodiment, the gNB203 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 gNB203 is a macrocell (MarcoCellular) base station.

As an embodiment, the gNB203 is a micro cell (Micro Cell) base station.

As an embodiment, the gNB203 is a pico cell (PicoCell) base station.

As an embodiment, the gNB203 is a home base station (Femtocell).

As an embodiment, the gNB203 is a base station device supporting a large delay difference.

As an example, the gNB203 is a flight platform device.

As an embodiment, the gNB203 is a satellite device.

As an embodiment, both the first node and the second node in this application 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 radio protocol architecture of a user plane and a control plane according to the present application, as shown in FIG. 3 . FIG. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane 350 and the control plane 300. FIG. 3 shows three layers for the first communication node device (UE, gNB or RSU in V2X) and the second The communication node device (gNB, UE or RSU in V2X), or the radio protocol architecture of the control plane 300 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 referred to herein as PHY 301 . 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, radio link layer control protocol) sublayer 303 and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sublayers are terminated at the second communication node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets, and provides handover support for the first communication node device between the second communication node devices. The RLC sublayer 303 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of packets to compensate for out-of-order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (eg, resource blocks) in a cell among the first communication node devices. The 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 (that is, radio bearers) and using the connection between the second communication node device and the first communication node device Inter- RRC signaling to configure the lower layer. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer), the radio protocol architecture for the first communication node device and the second communication node device in the user plane 350 is 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 substantially the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also Provides header compression for upper layer packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 also includes a SDAP (Service Data Adaptation Protocol, Service Data Adaptation Protocol) sublayer 356, and the SDAP sublayer 356 is responsible for the mapping between the QoS flow and the data radio bearer (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 (e.g., IP layer) terminating at the P-GW on the network side and another layer terminating at the connection. Application layer at one end (eg, remote UE, server, etc.).

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

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

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

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

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

As an embodiment, the first information in this application is generated by the PHY301.

As an embodiment, the first information in this application is generated by the PHY351.

As an embodiment, the second signal in this application is generated by the PHY301.

As an embodiment, the second signal in this application is generated by the PHY351.

As an embodiment, the first signal in this application is generated by the PHY301.

As an embodiment, the first signal in this application is generated by 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 . Fig. 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.

The first 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 said first communication device 410 to said second communication device 450 , at said first communication device 410 upper layer data packets from the core network are provided to a controller/processor 475 . Controller/processor 475 implements the functionality of the L2 layer. In transmission from said first communications device 410 to said first communications device 450, controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels Multiplexing, and allocation of radio resources to said 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 communication device 450 . The transmit processor 416 and the 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 communication device 450, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift Mapping of signal clusters for keying (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)). 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. The transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with a reference signal (e.g., pilot) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel that carries a time-domain multi-carrier symbol stream. Then the multi-antenna transmit processor 471 performs a transmit analog precoding/beamforming operation 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 an RF stream, which is then provided to a different antenna 420 .

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

In transmission from said second communication device 450 to said first communication device 410 , at said second communication 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 function at the first communications device 410 described in the transmission from the first communications device 410 to the second communications device 450, the controller/processor 459 implements a header based on radio resource allocation Compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels, implementing L2 layer functions for user plane and control plane. The controller/processor 459 is also responsible for retransmission of lost packets, and signaling to the first communication 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 beamforming processing, and then transmits The processor 468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which is provided to different antennas 452 via the transmitter 454 after undergoing analog precoding/beamforming operations in the multi-antenna transmit processor 457 . Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into an RF 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 function 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 receiving function at the second communication device 450 is described in the transmission. Each receiver 418 receives radio frequency signals through its respective antenna 420 , converts the received radio frequency signals to baseband signals, and provides the baseband signals to multi-antenna receive processor 472 and receive processor 470 . The receive processor 470 and the multi-antenna receive processor 472 jointly implement the functions of the L1 layer. Controller/processor 475 implements L2 layer functions. Controller/processor 475 can be associated with memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In transmission from the second communication device 450 to the first communication 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 foregoing embodiment, the first node is a user equipment, and the second node is a user equipment.

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

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

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

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

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

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

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

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

As a sub-embodiment of the above-mentioned 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 for error detection to support HARQ operation.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory, and the at least one memory includes computer program code; the at least one memory and the computer program code are configured to communicate with the Use with at least one processor. The second communication device 450 means at least: receiving first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes an indication ACK Or the candidate mode of NACK, the candidate mode set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK; receiving the second signal, acquiring target HARQ-ACK information, the target HARQ-ACK Information is associated with the second signal; a first signal is sent, and the first signal carries at least a target bit; wherein the target bit is related to the target mode; when the target mode is the indication ACK or NACK When the target mode is the candidate mode and the target HARQ-ACK information has been sent, the target bit is fixed to indicate NACK; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has not been sent When , the target bit indicates the target HARQ-ACK information; when the target mode is at least one candidate mode in the candidate mode set and all conditions in the first condition set are met, the target bit A fixed indication of NACK; the first set of conditions includes that at least the target HARQ-ACK information is not sent.

As a sub-embodiment of the foregoing 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 storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: receiving a first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode set also Including only indicating NACK and giving up indicating at least one of the two candidate modes of HARQ-ACK; receiving a second signal, acquiring target HARQ-ACK information, and the target HARQ-ACK information is associated with the second signal; sending the second signal A signal, the first signal carrying at least a target bit; wherein the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been When being sent, the target bit is fixed to indicate NACK; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK ACK information; when the target mode is at least one candidate mode in the candidate mode set and all conditions in the first condition set are met, the target bit is fixed to indicate NACK; the first condition set includes at least The target HARQ-ACK information is not sent.

As an embodiment, the first communication device 410 includes: at least one processor and at least one memory, and the at least one memory includes computer program code; the at least one memory and the computer program code are configured to communicate with the Use with at least one processor. The first communication device 410 means at least: sending first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes an indication ACK Or the candidate mode of NACK, the candidate mode set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK; sending a second signal, and the target HARQ-ACK information is associated with the second signal ; receiving a first signal, the first signal carrying at least a target bit; wherein the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ- When the ACK information has been sent, the target bit always indicates NACK; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the Target HARQ-ACK information; when the target mode is at least one candidate mode in the candidate mode set and all conditions in the first condition set are met, the target bit is fixed to indicate NACK; the first condition The set includes that at least the target HARQ-ACK information is not sent.

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

As an embodiment, the first communication device 410 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: sending the first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode set also Including only indicating NACK and giving up indicating at least one of the two candidate modes of HARQ-ACK; sending a second signal, and the target HARQ-ACK information is associated with the second signal; receiving the first signal, the first signal carrying At least a target bit; wherein, the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit is fixed indicates NACK; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is When at least one candidate mode in the candidate mode set and all conditions in the first condition set are met, the target bit is fixed to indicate NACK; the first condition set includes that at least the target HARQ-ACK information is not send.

As an example, {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 said first information 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 of them is used to send the first information in this application.

As an example, {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 said second signal 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 of them is used to send the second signal in this application.

As an example, {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 obtain the target HARQ-ACK information in this application.

As an example, {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 for sending said first signal 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 of them is used to receive said first signal in this application.

Example 5

Embodiment 5 illustrates a signal transmission flow chart according to an embodiment of the present application, as shown in FIG. 5 . In Fig. 5, the communication between the first node U1 and the second node U2 is performed through an air interface. In FIG. 5 , the part in the bold dashed box F1 is optional, and there is at most one of the step pair {S5201, S5101} and the step pair {S5102, S5202}. In particular, the reception/transmission of the second signaling does not necessarily precede the transmission/reception of the first bit block.

The first node U1 receives the first information in step S511; receives the second signal in step S512; obtains the target HARQ-ACK information in step S5121; sends the first signal in step S513

The second node U2 sends the first information in step S521; sends the second signal in step S522; receives the first signal in step S523.

In Embodiment 5, the first information is used to determine a target mode, and the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode The mode set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK; the target HARQ-ACK information is associated with the second signal; the first signal carries the first HARQ-ACK Codebook, the target bit belongs to the first HARQ-ACK codebook; the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information When it has been sent, the target bit is fixed to indicate NACK; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has not been sent, the target bit indicates the target HARQ - ACK information; when the target mode is the first candidate mode and all conditions in the first condition set are met, the target bit fixedly indicates NACK; the first condition set includes at least the target HARQ- ACK information is not sent, the first candidate mode is a candidate mode other than the candidate mode indicating ACK or NACK in the candidate mode set; the first HARQ-ACK codebook does not include an indication NDI value bits.

As a sub-embodiment of Embodiment 5, the first candidate mode is the candidate mode of the abandonment indication HARQ-ACK; the first set of conditions only includes: the target HARQ-ACK information is not sent.

As a sub-embodiment of Embodiment 5, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: there is an uplink physical layer channel before the first signal is reserved for being NACKed to the second signal.

As a sub-embodiment of Embodiment 5, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the candidate mode indicating ACK or NACK is adopted, A result of the operation that the first node would perform includes that the target HARQ-ACK information has been sent.

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 a base station device and a 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 user equipment-to-user wireless interface.

As an embodiment, the expression "sent" in this application includes: being sent by the first node.

As an embodiment, the problem to be solved in this application includes: how to determine the HARQ-ACK bits in the third type HARQ-ACK codebook (Type-3 HARQ-ACK codebook) according to different HARQ-ACK feedback modes.

As an embodiment, the problem to be solved in this application includes: how to determine the HARQ-ACK bits in the third type HARQ-ACK codebook (Type-3 HARQ-ACK codebook) in different HARQ-ACK indication modes.

As an embodiment, the problem to be solved in this application includes: how to determine the HARQ-ACK bits in the third type HARQ-ACK codebook (Type-3 HARQ-ACK codebook) according to the target mode.

As an embodiment, the problem to be solved in this application includes: how to determine the third type of HARQ-ACK codebook (Type-3 HARQ-ACK codebook) according to the transmission situation of the target mode and the target HARQ-ACK information The target bit.

As an embodiment, the problem to be solved in this application includes: how to perform one-time HARQ-ACK feedback for different HARQ-ACK indication modes.

As an embodiment, the problems to be solved in this application include: in different HARQ-ACK indication modes (or feedback modes), how to determine whether the HARQ-ACK information has been reported is different from the third type of HARQ-ACK codebook (Type-3 HARQ-ACK codebook) generation relationship.

As an embodiment, the problem to be solved in the present application includes: the problem that the communication parties have inconsistent understanding of the generated HARQ-ACK codebook caused by DCI loss.

As an embodiment, whether the target HARQ-ACK information is sent is related to the target mode.

Example 6

Embodiment 6 illustrates a schematic diagram of the relationship between target HARQ-ACK information and target modes according to an embodiment of the present application, as shown in FIG. 6 .

In Embodiment 6, whether the target HARQ-ACK information is sent is related to the target mode.

As an embodiment, the target mode is used to determine whether the target HARQ-ACK information is sent.

As an embodiment, at least one of the target mode and the value of the target HARQ-ACK information is used to determine whether the target HARQ-ACK information is sent.

As an embodiment, whether the target HARQ-ACK information is sent is related to at least one of the target mode and the value of the target HARQ-ACK information.

As an embodiment, the expression "whether the target HARQ-ACK information is sent" and "whether the target HARQ-ACK information is sent before the first signal" in this application are equivalent or interchangeable replace.

As an embodiment, the expression "whether the target HARQ-ACK information has been sent" and "the target HARQ-ACK information has been sent or not" in this application are equivalent or can be replaced with each other.

As an embodiment, the expression "the target HARQ-ACK information has been sent or has not been sent" in this application is equivalent to or "the target HARQ-ACK information has been sent or has not been sent" replace each other.

As an example, the expression "the target HARQ-ACK information has been sent or not sent" in this application and "the target HARQ-ACK information has been sent before the first signal or not The first signal was sent before" are equivalent or interchangeable.

As an embodiment, when the target mode is the candidate mode indicating ACK or NACK, the target HARQ-ACK information may or may not have been sent.

As a sub-embodiment of the foregoing embodiment, whether the target HARQ-ACK information has been sent or not is determined by the scheduling signaling of the second signal.

As an embodiment, when the target mode is the candidate mode that only indicates NACK and the value of the target HARQ-ACK information is ACK, the target HARQ-ACK information is not sent.

As an embodiment, when the target mode is the candidate mode that only indicates NACK and the value of the target HARQ-ACK information is NACK, the target HARQ-ACK information may or may not have been sent.

As an embodiment, when the target mode is the candidate mode of the abandonment indication HARQ-ACK, the target HARQ-ACK information is not sent.

As an embodiment, if the HARQ-ACK information whose value is ACK is abandoned due to the use of the candidate mode indicating only NACK, then this HARQ-ACK information is considered not to be sent.

As an embodiment, if the HARQ-ACK information is abandoned due to the use of the candidate mode of the abandonment indication HARQ-ACK, the HARQ-ACK information is considered not to be sent.

Example 7

Embodiment 7 illustrates a target mode according to an embodiment of the present application, a schematic diagram of the relationship between the first condition set and target bits, as shown in FIG. 7 .

In embodiment 7, when the target mode is the first candidate mode and all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes at least the target HARQ-ACK information is not sent, and the first candidate mode is a candidate mode other than the candidate mode indicating ACK or NACK in the candidate mode set.

As an embodiment, the expression "the first set of conditions includes that at least the target HARQ-ACK information is not sent" includes: one condition in the first set of conditions is: the target HARQ-ACK information is not sent is sent.

As an embodiment, the first candidate mode is one of the candidate mode for giving up indicating HARQ-ACK or the candidate mode only indicating NACK.

As an embodiment, the first candidate mode is a candidate mode of the abandonment indication HARQ-ACK.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK.

As an embodiment, when the target mode is the first candidate mode and the target HARQ-ACK information is not sent, and in the first condition set except the target HARQ-ACK information is not sent When at least one condition is not satisfied, the target bit indicates the target HARQ-ACK information.

As an embodiment, when the target HARQ-ACK information has been sent, the target bit always indicates NACK.

As an embodiment, when the target mode is the first candidate mode, all conditions in the first condition set must be satisfied.

As an embodiment, the first candidate mode is the candidate mode of the abandonment indication HARQ-ACK; the first set of conditions only includes: the target HARQ-ACK information is not sent.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the two conditions in the first condition set are: the target HARQ-ACK information is not sent, and, in the There is an uplink physical layer channel reserved for a NACK directed to the second signal prior to the first signal.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the two conditions in the first condition set are: the target HARQ-ACK information is not sent, and, when using Under the assumption of indicating the candidate mode of ACK or NACK, the result of the operation that the first node would perform includes that the target HARQ-ACK information has been sent.

As an embodiment, one condition in the first set of conditions is: the target HARQ-ACK information is not sent.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; in addition to the condition that the target HARQ-ACK information is not sent, the first condition set also includes a time-domain positioning the relevant conditions.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a condition related to the PUCCH resource reserved for the target HARQ-ACK information.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a PUCCH resource reserved for the HARQ-ACK information for the second signal conditions of.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a condition related to a PUCCH resource reserved for the NACK of the second signal.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set also includes a time domain related to the time domain occupied by the PUCCH resource reserved for the target HARQ-ACK information resource-related conditions.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first condition set further includes a PUCCH resource reserved for the HARQ-ACK information for the second signal. Conditions related to occupied time domain resources.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first condition set further includes a time period related to the time occupied by the PUCCH resource reserved for the NACK for the second signal Conditions related to domain resources.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a condition related to the PUCCH reserved for the target HARQ-ACK information.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a PUCCH reserved for the HARQ-ACK information for the second signal condition.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a condition related to the PUCCH reserved for the NACK of the second signal.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first condition set also includes a time domain resource that is occupied by the PUCCH reserved for the target HARQ-ACK information the relevant conditions.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first condition set further includes a PUCCH reserved for the HARQ-ACK information of the second signal occupied The time-domain resource-related conditions.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first condition set further includes a time domain reserved for the PUCCH for the NACK of the second signal resource-related conditions.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes an assumption related to the assumption that the target mode is the candidate mode indicating ACK or NACK condition.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the target mode is the candidate mode indicating ACK or NACK, A result of the operation that the first node would perform includes that the target HARQ-ACK information has been sent.

Example 8

Embodiment 8 illustrates a schematic diagram illustrating a first candidate mode and a first condition set according to an embodiment of the present application, as shown in FIG. 8 .

In Embodiment 8, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: there is an uplink physical layer channel reserved for the first signal before the first signal is NACKed for the second signal.

As an embodiment, the expression "NACK for the second signal" includes: NACK indicating a result obtained after processing the second signal that is not correctly decoded.

As an embodiment, the expression "NACK for the second signal" includes: NACK indicating that the bit block carried by the second signal has not been correctly decoded.

As an example, the expression "there is an uplink physical layer channel before the first signal" in this application is the same as "there is an uplink channel whose occupied time domain resource is before the first signal" Physical Layer Channel" are equivalent or interchangeable.

As an example, the expression "there is an uplink physical layer channel before the first signal" and "there is an occupied time-domain resource whose cut-off time is before the first signal" in this application "uplink physical layer channel" are equivalent or interchangeable.

As an example, the expressions "there is an uplink physical layer channel before the first signal" and "there is an occupied time-domain resource whose starting moment is before the first signal The uplink physical layer channels" are equivalent or interchangeable.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: before the first signal, there is an uplink physical layer channel reserved for the HARQ-ACK information for the second signal.

As an embodiment, the expression "HARQ-ACK information for the second signal" includes: HARQ-ACK information indicating a decoding result obtained after processing the second signal.

As an embodiment, the expression "HARQ-ACK information for the second signal" includes: HARQ-ACK information indicating whether the bit block carried by the second signal is correctly decoded.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: before the first signal, there is an uplink physical layer channel reserved for all Describe the target HARQ-ACK information.

As an embodiment, the uplink physical layer channel in this application is: PUCCH.

As an embodiment, the uplink physical layer channel in this application is: PUCCH or PUSCH.

As an embodiment, both PUCCH and PUSCH belong to the uplink physical layer channel in this application.

As an embodiment, the uplink physical layer channel in this application is: PRACH.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: before the first signal, there is a PUCCH resource reserved for the NACK of the second signal.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: before the first signal, there is a PUCCH resource reserved for the HARQ-ACK information of two signals.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: before the first signal, there is a PUCCH resource reserved for the target HARQ- ACK information.

As an embodiment, the expression "there is a PUCCH resource before the first signal" in this application is equivalent to "there is a PUCCH resource whose occupied time domain resources are before the first signal" or Interchangeable.

As an embodiment, the expressions "there is a PUCCH resource before the first signal" and "there is a PUCCH resource whose cut-off time of the occupied time domain resource is before the first signal" in this application are equivalent or interchangeable.

As an example, the expression "there is a PUCCH resource before the first signal" and "there is a PUCCH resource whose starting moment of the occupied time domain resource is before the first signal" in this application are equivalent or interchangeable.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: before the first signal, there is a PUCCH reserved for the second Signal NACK.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: before the first signal, there is a PUCCH reserved for the second HARQ-ACK information of the signal.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: there is a PUCCH reserved for the target HARQ-ACK before the first signal information.

As an embodiment, the expression "there is a PUCCH before the first signal" and "there is a PUCCH whose occupied time domain resources are before the first signal" in this application are equivalent or interchangeable. replace.

As an example, the expression "there is a PUCCH before the first signal" in this application is equivalent to "there is a PUCCH whose cut-off time of occupied time domain resources is before the first signal" or interchangeable.

As an example, the expression "there is a PUCCH before the first signal" in this application is equivalent to "there is a PUCCH whose starting time of occupied time domain resource is before the first signal" or interchangeable.

Example 9

Embodiment 9 illustrates a schematic diagram illustrating a first candidate mode and a first condition set according to an embodiment of the present application, as shown in FIG. 9 .

In Embodiment 9, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the candidate mode indicating ACK or NACK is adopted, the first As a result of operations the node would perform, the target HARQ-ACK information has been sent.

As an embodiment, the expression "under the assumption that the candidate mode indicating ACK or NACK is adopted, the result of the operation to be performed by the first node includes that the target HARQ-ACK information has been sent" includes : assuming that the candidate mode indicating ACK or NACK is configured to the HARQ-ACK feedback for the second signal, the result of the operation that the first node will (would) perform includes the target HARQ-ACK information has been sent.

As an embodiment, the expression "under the assumption that the candidate mode indicating ACK or NACK is adopted, the result of the operation to be performed by the first node includes that the target HARQ-ACK information has been sent" includes : Under the assumption that the target mode is the candidate mode indicating ACK or NACK, the result of the operation that the first node would perform includes that the target HARQ-ACK information has been sent.

Example 10

Embodiment 10 illustrates a schematic diagram of the relationship between target patterns and target bits according to an embodiment of the present application, as shown in FIG. 10 .

In embodiment 10, when the target mode is a second candidate mode, the target bit is fixed to indicate NACK; the second candidate mode is a candidate mode in the candidate mode set, and the second candidate A mode different from the candidate mode indicating ACK or NACK is also different from the first candidate mode.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK, and the second candidate mode is the candidate mode indicating HARQ-ACK for abandonment.

As an embodiment, the second candidate mode is the candidate mode indicating only NACK, and the first candidate mode is the candidate mode indicating HARQ-ACK for abandonment.

Example 11

Embodiment 11 illustrates a schematic diagram of the relationship between the target bit, the first signal and the first HARQ-ACK codebook according to an embodiment of the present application, as shown in FIG. 11 .

In embodiment 11, the first signal carries a first HARQ-ACK codebook, the target bit belongs to the first HARQ-ACK codebook, and the first HARQ-ACK codebook does not include the bit.

As an embodiment, the target bit belongs to a Type-3 HARQ-ACK codebook (Type-3 HARQ-ACK codebook) carried by the first signal.

As an embodiment, the target bit belongs to a third-type HARQ-ACK codebook carried by the first signal, and does not exist in the third-type HARQ-ACK codebook carried by the first signal Bits indicating the NDI (New Data Indicator) value corresponding to the given HARQ process number in this application on the given serving cell in this application.

As an embodiment, the target bit belongs to a third-type HARQ-ACK codebook carried by the first signal, and does not exist in the third-type HARQ-ACK codebook carried by the first signal Indicates the bit corresponding to the NDI (New Data Indicator) value of the target bit.

As an embodiment, the first HARQ-ACK codebook is a Type-3 HARQ-ACK codebook (Type-3 HARQ-ACK codebook).

As an embodiment, for the specific definition of the third type of HARQ-ACK codebook, refer to section 9.1.4 of 3GPP TS 38.213.

As an embodiment, the third type of HARQ-ACK codebook is the HARQ-ACK codebook triggered when the value of the One-shot HARQ-ACK request field in the DCI format is 1.

As an embodiment, the first HARQ-ACK codebook includes multiple HARQ-ACK bits, and the multiple HARQ-ACK bits are respectively for different HARQ process numbers.

As an embodiment, the first HARQ-ACK codebook includes multiple HARQ-ACK bits, and the multiple HARQ-ACK bits are respectively for different HARQ process numbers on the same serving cell.

As an embodiment, the first HARQ-ACK codebook includes multiple HARQ-ACK bits, and the multiple HARQ-ACK bits are respectively for different serving cells.

As an embodiment, each HARQ-ACK bit in the first HARQ-ACK codebook is for one HARQ process number on one serving cell.

As an embodiment, the first HARQ-ACK codebook includes HARQ-ACK bits for all configured HARQ process numbers on all configured serving cells.

As an embodiment, the first HARQ-ACK codebook includes HARQ-ACK bits for all configured HARQ process numbers on all configured serving cells that can be used for downlink transmission.

As an embodiment, the DCI format used to indicate the sending of the first signal is DCI format 1_1.

As an embodiment, the DCI format used to indicate the sending of the first signal does not schedule a PDSCH.

As an embodiment, the DCI format used to indicate the sending of the first signal does not schedule the PDSCH corresponding to the given HARQ process number in the present application on the given serving cell in the present application.

As an embodiment, the same DCI format is used to schedule the second signal and is used to indicate the sending of the first signal, or two different DCI formats are used to schedule the second signal and is used to indicate the sending of the first signal.

As an embodiment, two different DCI formats are respectively used to schedule the second signal and used to indicate the sending of the first signal.

As an embodiment, the HARQ-ACK bits in the first HARQ-ACK codebook are not HARQ-ACK bits for a CBG (Code Block Group, code block group).

As an embodiment, pdsch-HARQ-ACK-OneShotFeedbackNDI is not configured.

As an example, pdsch-HARQ-ACK-OneShotFeedbackNDI-r16 is not configured.

As an example, pdsch-HARQ-ACK-OneShotFeedbackNDI is not provided.

As an example, pdsch-HARQ-ACK-OneShotFeedbackNDI-r16 is not provided.

As an example, the parameter NDI _HARQ is set to 1.

Example 12

Embodiment 12 illustrates a processing flowchart of the first node according to an embodiment of the present application, as shown in FIG. 12 .

In embodiment 12, the first node in this application receives the first information in step 1201; receives the second signal in step 1202; obtains the target HARQ-ACK information in step 1203; The pattern generates at least the target bit; in step 1205 a first signal is sent.

In embodiment 12, the first information is used to determine a target mode, and the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode The mode set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK; the target HARQ-ACK information is associated with the second signal, and the first signal carries at least the target bit ; When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit is fixed to indicate NACK; when the target mode is the candidate mode indicating ACK or NACK When a candidate mode and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is at least one candidate mode in the candidate mode set and the first condition When all the conditions in the set are met, the target bit always indicates NACK; the first set of conditions includes that at least the target HARQ-ACK information is not sent.

As an embodiment, the target bit is related to the target mode.

As an embodiment, the expression "the target bit is related to the target mode" in this application includes: the first node generates at least the target bit according to the target mode.

As an embodiment, the first node generates each HARQ-ACK bit in the first HARQ-ACK codebook in this application according to the target mode.

As an embodiment, the target bit is any HARQ-ACK bit in the first HARQ-ACK codebook in this application.

As an example, harq-ACK-SpatialBundlingPUCCH is not provided.

As an example, the harq-ACK-SpatialBundlingPUCCH is not provided to any serving cell.

Example 13

Embodiment 13 illustrates an explanatory diagram before the first signal according to an embodiment of the present application, as shown in FIG. 13 . In FIG. 13 , the gray filled boxes indicate the time domain resources occupied by the sending of the first signal.

In embodiment 13, only the time domain part before the gray filled box is considered to be before the first signal.

As an embodiment, the expression "before the first signal" in this application means: before the sending of the first signal starts.

As an example, the expression "before the first signal" in this application means: before the start moment when the first signal is sent.

Example 14

Embodiment 14 illustrates an explanatory diagram before the first signal according to an embodiment of the present application, as shown in FIG. 14 . In FIG. 14 , the gray filled boxes represent the time domain resources occupied by the transmission of the first signal, and the dotted line represents the start moment of the time slot to which the time domain resource occupied by the transmission of the first signal belongs.

In embodiment 14, only the time domain part before the dotted line is considered to be before the first signal.

As an embodiment, the expression "before the first signal" in this application means: before the time slot to which the time domain resource occupied by the transmission of the first signal belongs.

As an embodiment, the expression "before the first signal" in this application refers to: in the time slot before the time slot to which the time domain resource occupied by the sending of the first signal belongs.

Example 15

Embodiment 15 illustrates an explanatory diagram before the first signal according to an embodiment of the present application, as shown in FIG. 15 . In FIG. 15 , the gray filled boxes represent the time domain resources occupied by the sending of the first signal, and the time interval between the dotted line and the starting moment of the gray filled boxes is the first duration.

In Embodiment 15, only the time domain part before the dotted line is considered to be before the first signal.

As an embodiment, the first duration is related to the processing capability of the first node.

As an embodiment, the first duration is related to the time for determining the target bit.

As an embodiment, the time interval between the time when the target bit is determined and the time when the first signal is sent is not greater than the first duration.

As an embodiment, the time interval between the moment when the target bit is determined and the start moment of the time slot to which the time domain resource occupied by the sending of the first signal belongs is not greater than the first duration.

As an example, the first duration is 0.

As an embodiment, the first duration is greater than zero.

As an embodiment, the first duration is configurable.

As an embodiment, the first duration is predefined.

As an embodiment, the first duration is determined by the first node.

As an embodiment, the first duration is determined by the first node itself.

As an embodiment, the expression "before the first signal" in this application means: before the time at least a first duration earlier than the start time of sending the first signal.

As an embodiment, the expression "before the first signal" in this application means: before a time that is earlier than a time when sending the first signal starts by a first duration.

As an example, the expression "before the first signal" in this application refers to: a first time period earlier than the start time of the time slot to which the time domain resource occupied by the transmission of the first signal belongs. time before.

As an embodiment, the expression "before the first signal" in this application means: earlier than the start time of the time slot to which the time-domain resource occupied by the transmission of the first signal belongs by at least a first duration before the moment.

Example 16

Embodiment 16 illustrates a structural block diagram of a processing device in a first node device, as shown in FIG. 16 . In FIG. 16 , the first node device processing apparatus 1600 includes a first receiver 1601 and a first transmitter 1602 .

As an embodiment, the first node device 1600 is a base station.

As an embodiment, the first node device 1600 is a user equipment.

As an embodiment, the first node device 1600 is a relay node.

As an embodiment, the first node device 1600 is a vehicle communication device.

As an embodiment, the first node device 1600 is a user equipment supporting V2X communication.

As an embodiment, the first node device 1600 is a relay node supporting V2X communication.

As an embodiment, the first receiver 1601 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data At least one of the sources 467.

As an embodiment, the first receiver 1601 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data At least the first five of sources 467 .

As an embodiment, the first receiver 1601 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data At least the first four of sources 467 .

As an embodiment, the first receiver 1601 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data At least the first three of sources 467 .

As an embodiment, the first receiver 1601 includes the antenna 452, receiver 454, multi-antenna receiving processor 458, receiving processor 456, controller/processor 459, memory 460 and data At least the first two of sources 467 .

As an embodiment, the first transmitter 1602 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmission processor 468, controller/processor 459, memory 460 and At least one of the data sources 467 .

As an embodiment, the first transmitter 1602 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmission processor 468, controller/processor 459, memory 460 and At least the first five of the data sources 467 .

As an embodiment, the first transmitter 1602 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmission processor 468, controller/processor 459, memory 460 and At least the first four of the data sources 467 .

As an embodiment, the first transmitter 1602 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmission processor 468, controller/processor 459, memory 460 and At least the first three of the data sources 467 .

As an embodiment, the first transmitter 1602 includes the antenna 452, transmitter 454, multi-antenna transmitter processor 457, transmission processor 468, controller/processor 459, memory 460 and At least the first two of the data sources 467 .

As an embodiment, the first receiver 1601 receives first information, and the first information is used to determine a target mode, where the target mode is a candidate mode in a candidate mode set, and the candidate mode set Including candidate modes indicating ACK or NACK, the candidate mode set also includes at least one of the two candidate modes indicating only NACK and giving up indicating HARQ-ACK; the first receiver 1601 receives the second signal and acquires the target HARQ-ACK information, the target HARQ-ACK information is associated with the second signal; the first transmitter 1602 transmits a first signal, and the first signal carries at least a target bit; wherein the target bit Related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when the target mode is the When the candidate mode indicating ACK or NACK is indicated and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is at least one of the candidate mode set Candidate mode and when all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.

As an embodiment, when the target mode is the first candidate mode and all conditions in the first condition set are met, the target bit is fixed to indicate NACK; the first condition set includes at least the target HARQ - ACK information is not sent, and the first candidate mode is a candidate mode other than the candidate mode indicating ACK or NACK in the candidate mode set.

As an embodiment, the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: before the first signal, there is an uplink physical layer channel reserved for the a NACK for the second signal.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the candidate mode indicating ACK or NACK is adopted, the first node A result of operations that would be performed include that the target HARQ-ACK information has been sent.

As an embodiment, the first signal carries a first HARQ-ACK codebook, the target bit belongs to the first HARQ-ACK codebook, and the first HARQ-ACK codebook does not include a bit indicating an NDI value .

Example 17

Embodiment 17 illustrates a structural block diagram of a processing device in a second node device, as shown in FIG. 17 . In FIG. 17 , the second node device processing apparatus 1700 includes a second transmitter 1701 and a second receiver 1702 .

As an embodiment, the second node device 1700 is user equipment.

As an embodiment, the second node device 1700 is a base station.

As an embodiment, the second node device 1700 is a satellite device.

As an embodiment, the second node device 1700 is a relay node.

As an embodiment, the second node device 1700 is a vehicle communication device.

As an embodiment, the second node device 1700 is a user equipment supporting V2X communication.

As an embodiment, the second node device 1700 is a user equipment that supports operations on a shared frequency spectrum.

As an embodiment, the second transmitter 1701 includes the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475 and the memory 476 in the accompanying drawing 4 of the present application. at least one.

As an embodiment, the second transmitter 1701 includes the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475 and the memory 476 in the accompanying drawing 4 of the present application. At least the top five.

As an embodiment, the second transmitter 1701 includes the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475 and the memory 476 in the accompanying drawing 4 of the present application. At least the first four.

As an embodiment, the second transmitter 1701 includes the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475 and the memory 476 in the accompanying drawing 4 of the present application. At least the first three.

As an embodiment, the second transmitter 1701 includes the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 416, the controller/processor 475 and the memory 476 in the accompanying drawing 4 of the present application. At least the first two.

As an embodiment, the second receiver 1702 includes the antenna 420 in the accompanying drawing 4 of this application, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 at least one.

As an embodiment, the second receiver 1702 includes the antenna 420 in the accompanying drawing 4 of this application, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 At least the top five.

As an embodiment, the second receiver 1702 includes the antenna 420 in the accompanying drawing 4 of this application, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 At least the first four.

As an embodiment, the second receiver 1702 includes the antenna 420 in the accompanying drawing 4 of this application, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 At least the first three.

As an embodiment, the second receiver 1702 includes the antenna 420 in the accompanying drawing 4 of this application, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470, the controller/processor 475 and the memory 476 At least the first two.

As an embodiment, the second transmitter 1701 transmits first information, and the first information is used to determine a target mode, and the target mode is a candidate mode in a candidate mode set, and the candidate mode set Including candidate modes indicating ACK or NACK, the candidate mode set also includes at least one of the two candidate modes indicating only NACK and giving up indicating HARQ-ACK; the second transmitter 1701 sends a second signal, the target HARQ - ACK information is associated to the second signal; the second receiver 1702 receives a first signal, and the first signal carries at least a target bit; wherein the target bit is related to the target mode; when the When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit is fixed to indicate NACK; when the target mode is the candidate mode indicating ACK or NACK and When the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is at least one candidate mode in the candidate mode set and the first condition set When all conditions are met, the target bit always indicates NACK; the first set of conditions includes that at least the target HARQ-ACK information is not sent.

As an embodiment, the first candidate mode is the candidate mode indicating only NACK; the first set of conditions further includes: under the assumption that the candidate mode indicating ACK or NACK is adopted, the first signal The result of the operation that would be performed by the transmitting end includes that the target HARQ-ACK information has been transmitted.

Those skilled in the art can understand that all or part of the steps in the above method can be completed by instructing related 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 in the foregoing embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above-mentioned embodiments may be implemented in the form of hardware, or may be implemented in the form of software function modules, and the present application is not limited to any specific combination of software and hardware. The first node devices in this application include but are not limited to mobile phones, tablet computers, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control aircraft, etc. wireless communication equipment. The second node devices in this application include but are not limited to mobile phones, tablet computers, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control aircraft, etc. wireless communication equipment. User equipment or UE or terminals in this application include but are not limited to mobile phones, tablet computers, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, aircraft, aircraft, drones, remote control Aircraft and other wireless communication equipment. The base station equipment or base station or network side equipment in this application includes but not limited to macrocell base station, microcell base station, home base station, relay base station, eNB, gNB, transmission and receiving node TRP, GNSS, relay satellite, satellite base station, aerial Base stations, test devices, test equipment, test instruments and other equipment.

Those skilled in the art will appreciate that the present invention may be embodied in other specified forms without departing from its core or essential characteristics. Therefore, the presently disclosed embodiments are to be regarded as descriptive rather than restrictive in any way. The scope of the invention is determined by the appended claims rather than the foregoing description, and all changes within their equivalent meaning and range are deemed to be embraced therein.

Claims

A first node device used for wireless communication, characterized in that it includes:

The first receiver receives first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK , the set of candidate modes further includes at least one of two candidate modes indicating only NACK and giving up indicating HARQ-ACK;

The first receiver receives a second signal and acquires target HARQ-ACK information, where the target HARQ-ACK information is associated with the second signal;

a first transmitter, transmitting a first signal, the first signal carrying at least a target bit;

Wherein, the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is the candidate mode When there is at least one candidate mode in the set and all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.
The first node device according to claim 1, wherein whether the target HARQ-ACK information is sent is related to the target mode.
The first node device according to claim 1 or 2, wherein when the target mode is the first candidate mode and all the conditions in the first condition set are met, the target bit always indicates NACK The first condition set includes that at least the target HARQ-ACK information is not sent, and the first candidate mode is a candidate mode other than the candidate mode indicating ACK or NACK in the candidate mode set.
The first node device according to claim 3, wherein the first candidate mode is the candidate mode of the abandonment indication HARQ-ACK; the first condition set only includes: the target HARQ-ACK information was not sent.
The first node device according to claim 3, wherein the first candidate mode is the candidate mode that only indicates NACK; the first condition set further includes: there is a An uplink physical layer channel is reserved for being NACKed to said second signal.
The first node device according to claim 3 or 5, wherein the first candidate mode is the candidate mode that only indicates NACK; the first set of conditions further includes: when using the indicated ACK or Under the assumption of a candidate mode of NACK, the result of the operation that the first node would perform includes that the target HARQ-ACK information has been sent.
The first node device according to any one of claims 1 to 6, wherein the first signal carries a first HARQ-ACK codebook, and the target bit belongs to the first HARQ-ACK codebook In this case, the first HARQ-ACK codebook does not include the bit indicating the NDI value.
A second node device used for wireless communication, characterized in that it includes:

The second transmitter sends first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, and the candidate mode set includes a candidate mode indicating ACK or NACK , the set of candidate modes further includes at least one of two candidate modes indicating only NACK and giving up indicating HARQ-ACK;

The second transmitter transmits a second signal to which target HARQ-ACK information is associated;

a second receiver receiving a first signal carrying at least a target bit;

Wherein, the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is the candidate mode When there is at least one candidate mode in the set and all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.
A method used in a first node of wireless communication, comprising:

receiving first information, the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, the candidate mode set includes a candidate mode indicating ACK or NACK, the candidate mode The set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK;

receiving a second signal, and acquiring target HARQ-ACK information, where the target HARQ-ACK information is associated with the second signal;

sending a first signal carrying at least the target bit;

Wherein, the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is the candidate mode When there is at least one candidate mode in the set and all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.
A method used in a second node for wireless communication, comprising:

Sending first information, where the first information is used to determine a target mode, the target mode is a candidate mode in a candidate mode set, the candidate mode set includes a candidate mode indicating ACK or NACK, and the candidate mode The set also includes at least one of the two candidate modes of only indicating NACK and giving up indicating HARQ-ACK;

sending a second signal to which target HARQ-ACK information is associated;

receiving a first signal carrying at least a target bit;

Wherein, the target bit is related to the target mode; when the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information has been sent, the target bit always indicates NACK; when When the target mode is the candidate mode indicating ACK or NACK and the target HARQ-ACK information is not sent, the target bit indicates the target HARQ-ACK information; when the target mode is the candidate mode When there is at least one candidate mode in the set and all the conditions in the first condition set are met, the target bit always indicates NACK; the first condition set includes that at least the target HARQ-ACK information is not sent.