CN112399475B

CN112399475B - Method and terminal for determining HARQ codebook

Info

Publication number: CN112399475B
Application number: CN201910748720.9A
Authority: CN
Inventors: 张轶; 夏亮
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2022-11-22
Anticipated expiration: 2039-08-14
Also published as: CN112399475A; WO2021027564A1

Abstract

The embodiment of the invention provides a method and a terminal for determining a hybrid automatic repeat request (HARQ) codebook, wherein the method comprises the following steps: determining a PDCCH monitoring opportunity set according to the first information; and determining a Type-2HARQ codebook according to the PDCCH monitoring opportunity set. In the embodiment of the invention, the problem of collision of the PUCCH carrying the sidelink HARQ codebook and the PUCCH carrying the sidelink HARQ codebook is avoided by determining the sidelink HARQ-ACK and the downlink HARQ-ACK in the same HARQ codebook.

Description

Method and terminal for determining HARQ codebook

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a method for determining and sending a Hybrid automatic repeat request (HARQ) codebook (codebook) and a terminal.

Background

When a direct link (sidelink) HARQ-ACK and a downlink (downlink) HARQ-ACK are both configured on a PUCCH for transmission, if the sidelink HARQ-ACK and the downlink (downlink) HARQ-ACK cannot be constructed in the same HARQ codebook, the base station will configure Physical Uplink Control Channel (PUCCH) resources for the sidelink HARQ-ACK and the downlink (downlink) HARQ-ACK, respectively, which will cause a problem of PUCCH collision of the sidelink HARQ codebook and the downlink HARQ codebook, and will cause the base station to reserve more PUCCH resources to ensure scheduling flexibility, thereby causing Uplink resource waste to a certain extent.

Disclosure of Invention

The embodiment of the invention provides a method and a terminal for determining a HARQ codebook, which solve the problem of conflict between a PUCCH bearing a sidelink HARQ codebook and a PUCCH bearing a downlink HARQ codebook.

In a first aspect, an embodiment of the present invention provides a method for determining a Type-2HARQ codebook, including:

determining a Physical Downlink Control Channel (PDCCH) monitoring opportunity set according to the first information;

determining a Type-2HARQ codebook according to the PDCCH monitoring opportunity set;

wherein the first information comprises one or more of:

feeding back a timing value from a Physical Downlink Shared Channel (PDSCH) to a hybrid automatic repeat request (HARQ);

a first value of time slot offset, which represents the time slot offset between the downlink control information DCI and the PDSCH scheduled by the DCI;

the direct connection link first index is used for determining a hybrid automatic repeat request-acknowledgement (HARQ-ACK) time slot according to Downlink Control Information (DCI) for scheduling direct connection link data;

the direct connection link second index is used for determining a time slot of a physical direct connection link shared channel PSSCH according to DCI for scheduling direct connection link data;

and the third index of the direct connection link is used for determining the time slot or symbol of the HARQ-ACK according to the time slot or symbol where the PSSCH is located.

Optionally, the downlink control information format, DCI format, carried by the PDCCH includes one or more of the following:

DCI format 1_0；

DCI format 1_1；

and scheduling DCI format of the direct link data.

Optionally, the direct link first index is predefined or configured by a network side through a higher layer signaling.

Optionally, the beginning of the first symbol of the PUCCH carrying the HARQ-ACK is not earlier than a first preset value or a first number of symbols after the last symbol of the DCI scheduling the direct link data;

and/or the presence of a gas in the gas,

the beginning of a first symbol of a PUCCH carrying the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH;

and/or the presence of a gas in the atmosphere,

the beginning of the first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI for scheduling the direct link data.

Optionally, the DCI scheduling the direct link data includes: the counter downlink assignment indicates the counter DAI, and/or the total downlink assignment indicates the total DAI.

In a second aspect, an embodiment of the present invention further provides a method for determining a Type-2HARQ codebook, including:

determining a first PDCCH monitoring opportunity set;

determining N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set;

determining a second PDCCH monitoring opportunity set;

determining M-bit HARQ-ACK according to the second PDCCH monitoring opportunity set;

and determining a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, wherein N and M are positive integers.

Optionally, the DCI format carried by the first PDCCH monitoring opportunity set includes: DCI format1_0 and DCI format 1_1.

Optionally, the DCI format carried by the second PDCCH monitoring opportunity set includes: and scheduling DCI format of the direct link data.

Optionally, the determining the second PDCCH monitoring opportunity set includes:

determining a second PDCCH monitoring opportunity set according to the second information;

the second information includes one or more of:

the first index of the direct connection link is used for determining the time slot of the HARQ-ACK according to the DCI of the data of the scheduled direct connection link;

the direct connection link second index is used for determining the time slot of the PSSCH according to the DCI of the scheduling direct connection link data;

and the third index of the direct link is used for determining the time slot or symbol of the HARQ-ACK according to the time slot or symbol where the PSSCH is located.

Optionally, the start of a first symbol of a PUCCH carrying the HARQ-ACK is not earlier than a first preset value or a first number of symbols after a last symbol of DCI scheduling direct-link data;

and/or the presence of a gas in the atmosphere,

and/or the presence of a gas in the gas,

the start of the first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI for scheduling the direct link data.

Optionally, the DCI scheduling the direct link data includes: counter DAI, and/or, total DAI.

In a third aspect, an embodiment of the present invention further provides a method for determining a Type-1 HARQ codebook, where the method includes:

determining a first set according to the third information, wherein the first set is used for candidate PDSCH reception and/or candidate PSSCH transmission;

determining a Type-1 HARQ codebook according to the first set;

wherein the third information comprises one or more of:

a set of slot or sub-slot timing values representing the timing of the PDSCH to the HARQ-ACK;

the network side allocates TDRA information through PDSCH time domain resource predefined by high-level signaling configuration or protocol;

the network side configures TDD-UL-DL-configuration common and/or TDD-UL-DL-configuration deleted through higher layer signaling;

sending a resource set by the direct link;

the direct connection link first index is used for determining the time slot of HARQ-ACK according to downlink control information DCI of scheduling direct connection link data;

and/or the presence of a gas in the atmosphere,

and/or the presence of a gas in the gas,

Optionally, the set of direct link transmission resources is predefined, or configured by a network side through a higher layer signaling.

In a fourth aspect, an embodiment of the present invention further provides a method for determining a Type-1 HARQ codebook, where the method includes:

determining a second set, the second set being for candidate PSSCH transmissions;

determining Q bit HARQ-ACK according to the second set;

determining a third set, the third set for candidate PDSCH reception;

determining P bit HARQ-ACK according to the third set;

and determining a Type-1 HARQ codebook according to the P bit HARQ-ACK and the Q bit HARQ-ACK, wherein P and Q are positive integers.

Optionally, the determining the second set comprises:

determining the second set according to fourth information;

the fourth information includes one or more of:

sending a resource set by the direct link;

Optionally, the set of direct link transmission resources is predefined or configured by a network side through higher layer signaling.

and/or the presence of a gas in the gas,

In a fifth aspect, an embodiment of the present invention further provides a terminal, including:

a first determining module, configured to determine a PDCCH monitoring opportunity set according to the first information;

a first construction module, configured to determine a Type-2HARQ codebook according to the PDCCH monitoring opportunity set;

wherein the first information comprises one or more of:

PDSCH to HARQ feedback timing values;

a first value of time slot offset, representing the time slot offset between the DCI and its scheduled PDSCH;

the first index of the direct connection link is used for determining the time slot of HARQ-ACK according to DCI for scheduling data of the direct connection link;

In a sixth aspect, an embodiment of the present invention further provides a terminal, including: the first transceiver and the first processor are used for determining a PDCCH monitoring opportunity set according to the first information; the first processor is further configured to determine a Type-2HARQ codebook according to the PDCCH monitoring opportunity set;

wherein the first information comprises one or more of:

PDSCH to HARQ feedback timing values;

the direct connection link second index is used for determining the time slot of the PSSCH according to the DCI for scheduling the data of the direct connection link;

In a seventh aspect, an embodiment of the present invention further provides a terminal, including:

a second determining module for determining a first PDCCH monitoring opportunity set;

a second construction module, configured to determine an N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set;

a third determining module for determining a second PDCCH monitoring opportunity set;

a third constructing module, configured to determine an M-bit HARQ-ACK according to the second PDCCH monitoring opportunity set;

and the fourth construction module is used for determining a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, wherein N and M are positive integers.

In an eighth aspect, an embodiment of the present invention further provides a terminal, including: a second transceiver and a second processor;

the second processor configured to determine a first set of PDCCH monitoring opportunities;

the second processor is further configured to determine an N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set;

the second processor is further configured to determine a second set of PDCCH monitoring opportunities;

the second processor is further configured to determine an M-bit HARQ-ACK according to the second PDCCH monitoring opportunity set;

the second processor is further configured to determine a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, where N and M are positive integers.

In a ninth aspect, an embodiment of the present invention further provides a terminal, including:

a fourth determining module, configured to determine a first set according to the third information, where the first set is used for candidate PDSCH reception and/or candidate psch transmission;

a fifth constructing module, configured to determine a Type-1 HARQ codebook according to the first set;

wherein the third information comprises one or more of:

sending a resource set by the direct link;

In a tenth aspect, an embodiment of the present invention further provides a terminal, including: a third transceiver and a third processor;

the third processor is configured to determine a first set according to third information, where the first set is used for candidate PDSCH reception and/or candidate psch transmission;

the third processor is further configured to determine a Type-1 HARQ codebook according to the first set;

wherein the third information comprises one or more of:

a group of time slot or sub-time slot time sequence values representing the time sequence from PDSCH to HARQ-ACK;

sending a resource set by the direct link;

the first index of the direct connection link is used for determining the time slot of the HARQ-ACK according to downlink control information DCI of the data of the scheduled direct connection link;

In an eleventh aspect, an embodiment of the present invention further provides a terminal, including:

a fifth determining module to determine a second set, the second set to be used for candidate PSSCH transmissions;

a sixth construction module, configured to determine a Q-bit HARQ-ACK according to the second set;

a sixth determining module for determining a third set, the third set for candidate PDSCH reception;

a seventh constructing module, configured to determine a P-bit HARQ-ACK according to the third set;

and the eighth construction module is used for determining a Type-1 HARQ codebook according to the P bit HARQ-ACK and the Q bit HARQ-ACK, wherein P and Q are positive integers.

In a twelfth aspect, an embodiment of the present invention further provides a terminal, including: a fourth transceiver and a fourth processor;

the fourth processor configured to determine a second set, the second set for candidate PSSCH transmissions;

the fourth processor is further configured to determine a Q-bit HARQ-ACK according to the second set;

the fourth processor is further configured to determine a third set, the third set being used for candidate PDSCH reception;

the fourth processor is further configured to determine a P-bit HARQ-ACK according to the third set;

the fourth processor is further configured to determine a Type-1 HARQ codebook according to the P-bit HARQ-ACK and the Q-bit HARQ-ACK, where P and Q are positive integers.

In a thirteenth aspect, an embodiment of the present invention further provides a terminal, including: a processor, a memory and a program stored on the memory and executable on the processor, which program, when executed by the processor, performs the steps of the method for determining a HARQ codebook as described above.

In a fourteenth aspect, the embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when being executed by a processor, the computer program implements the steps of the method for determining an HARQ codebook as described above.

In the embodiment of the invention, the problem of collision of PUCCHs (physical uplink control channels) independently configured and PUCCHs carrying the sidelink HARQ codebook and PUCCHs carrying the downlink HARQ codebook is avoided by determining the sidelink HARQ-ACK and the downlink HARQ-ACK in the same HARQ codebook, and the uplink resources reserved by a base station and used for ensuring the scheduling flexibility can be reduced, thereby avoiding the waste of the uplink resources.

Drawings

Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a diagram illustrating a sidelink HARQ-ACK reported from a transmitting end to a base station;

fig. 2 is a flowchart of a method for determining an HARQ codebook according to an embodiment of the present invention;

fig. 3 is a second flowchart of a method for determining an HARQ codebook according to an embodiment of the present invention;

fig. 4 is a third flowchart of a HARQ codebook determining method according to an embodiment of the present invention;

fig. 5 is a fourth flowchart of a method for determining an HARQ codebook according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 7 is a second schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 8 is a third schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 9 is a fourth schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 10 is a fifth schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 11 is a sixth schematic structural view of a terminal according to an embodiment of the present invention;

fig. 12 is a seventh schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 13 is an eighth schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 14 is a ninth schematic structural diagram of a terminal according to an embodiment of the present invention.

Detailed Description

For better understanding of the embodiments of the present invention, two related technologies are described below.

1. The first related art is as follows: sidelink HARQ-ACK is transmitted in Uu.

Regarding a New Radio (NR) Vehicle-to-electrical interference (V2X) mode 1 (mode-1) HARQ-ACK transmission method: referring to fig. 1, the NR V2X mode-1sidelink HARQ-ACK transmission is illustrated, and the specific steps are as follows:

step 1: a transmitting end (transmitter) transmits a Scheduling Request (SR) and a sidelink Buffer Status Report (BSR) to a base station;

step 2: a base station (gNB) sends DCI (such as DCI format 5A) to a transmitter for resource allocation;

and 3, step 3: the transmitter transmits SCI and data (data) in corresponding resources according to a received sidelink grant issued by the base station;

and 4, step 4: a receiving end (receiver) blindly detects the Control Information (SCI) of the direct link, receives data and Sends Feedback Control Information (SFCI) of the direct link to a transmitter;

and 5: the transmitter sends a sidelink HARQ-ACK to the base station and applies for retransmission resources to the base station;

step 6: and the base station issues the scheduling DCI to the transmitter for scheduling retransmission.

2. The second related art is: HARQ codebook in NR.

The HARQ codebook in NR is divided into two types: a semi-static codebook (Type-1 HARQ codebook) and a dynamic codebook (Type-2 HARQ codebook).

A Physical Uplink Control Channel (PUCCH) will be described in detail and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

The technology described herein is not limited to a fifth-generation mobile communication (5 th-generation, 5G) system and a later-evolution communication system, and is not limited to an LTE/LTE evolution (LTE-a) system, and may also be used for various wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems.

The terms "system" and "network" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system can implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA)), IEEE 802.11 (Wi-Fi), IEEE802.16 (WiMAX)), IEEE 802.20, flash-OFDM, and the like. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation Partnership project" (3 rd Generation Partnership project,3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3 GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies.

Referring to fig. 2, an embodiment of the present invention provides a method for determining a Type-2HARQ codebook, which includes: step 201 and step 202.

Step 201: determining a Physical Downlink Control Channel (PDCCH) monitoring opportunity (monitoring interference) set according to the first information;

step 202: determining a Type-2HARQ codebook according to the PDCCH monitoring opportunity set;

wherein the first information comprises one or more of:

(1) A Physical Downlink Shared Channel (PDSCH) to Hybrid Automatic Repeat reQuest (HARQ) feedback timing value (feedback timing values);

(2) A slot offset first value (slot offsets K0) indicating a slot offset between Downlink Control Information (DCI) and a PDSCH scheduled thereto;

(3) A direct link first index (Ks) for determining a slot for hybrid automatic repeat request acknowledgement (HARQ-ACK) according to DCI scheduling direct link data; that is, if the terminal receives DCI in slot n, the PUCCH will be transmitted in slot n + Ks.

In some embodiments, the direct link first index is predefined or configured by the network side through higher layer signaling.

(4) A second index of the direct link, the second index of the direct link being used for determining a time slot of a Physical Sidelink Shared Channel (PSSCH) according to a DCI for scheduling data of the direct link;

(5) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH.

In some embodiments, after step 201, i.e. after generating the codebook, the method may further comprise: and transmitting the Type-2HARQ codebook.

In some embodiments, a downlink control information format (DCI format) carried by the PDCCH includes one or more of:

(1)DCI format 1_0；

(2)DCI format 1_1；

(3) And scheduling DCI format of the direct link data.

That is, the PDCCH monitoring categories set is defined by the PDCCH monitoring categories for DCI format1_0, or DCI format 1_1, or the DCI format of scheduling sidelink data/PC 5 data.

In some embodiments, the PUCCH used for sidelink HARQ-ACK may be determined by one or more of the following:

(1) A start of a first symbol of a Physical Uplink Control CHannel (PUCCH) carrying the HARQ-ACK is not earlier than a first preset value or a first number of symbols after a last symbol of the DCI scheduling the direct link data;

(2) The beginning of a first symbol of a PUCCH carrying the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH;

(3) The beginning of the first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI for scheduling the direct link data.

In some embodiments, the scheduling the DCI for the direct link data comprises: the number of bits of the counter downstream allocation indication (counter DAI) and/or the total downstream allocation indication (total DAI) is not limited to 2 bits.

Referring to fig. 3, an embodiment of the present invention provides a method for determining a Type-2HARQ codebook, which includes: step 301 to step 305.

Step 301: determining a first set of PDCCH monitoring opportunities;

step 302: determining N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set, wherein the N-bit HARQ-ACK is used for indicating the HARQ-ACK corresponding to DCI format1_0 or DCI format 1_1;

step 303: determining a second PDCCH monitoring opportunity set;

in some embodiments, a second set of PDCCH monitoring opportunities is determined based on the second information; the second information includes one or more of:

(1) The first index of the direct connection link is used for determining the time slot of HARQ-ACK according to DCI (Downlink control information) for scheduling data of the direct connection link;

(2) The second index of the direct connection link is used for determining the time slot of the PSSCH according to the DCI for scheduling the data of the direct connection link;

(3) And determining the time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH by the third index of the direct link.

Step 304: determining M-bit HARQ-ACK according to the second PDCCH monitoring opportunity set;

step 305: and determining a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, wherein N and M are positive integers.

It should be understood that, in the embodiment of the present invention, the order of step 301 to step 302, and step 303 to step 304 is not particularly limited.

In some embodiments, the DCI format carried by the first PDCCH monitoring opportunity set includes: DCI format1_0 and DCI format 1_1.

In some embodiments, the DCI format carried by the second PDCCH monitoring opportunity set includes: and scheduling DCI format of the direct link data.

(1) The beginning of a first symbol of a Physical Uplink Control CHannel (PUCCH) carrying HARQ-ACK is not earlier than a first preset value or a first number of symbols after the last symbol of DCI for scheduling direct link data;

(2) The beginning of the first symbol of the PUCCH carrying the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH;

(3) The first symbol of the PSSCH starts no earlier than a third preset value or a third number of symbols after the last symbol of the DCI that schedules the direct link data.

In some embodiments, scheduling DCI for direct link data comprises: the number of bits of the counter downstream allocation indication (counter DAI) and/or the total downstream allocation indication (total DAI) is not limited to 2 bits.

Referring to fig. 4, an embodiment of the present invention provides a method for determining a Type-1 HARQ codebook, which includes: step 401 to step 402.

Step 401: determining a first set for candidate PDSCH reception and/or candidate PSSCH transmission based on the third information;

step 402: determining a Type-1 HARQ codebook according to the first set;

wherein the third information comprises one or more of:

(1) A set of slot or sub-slot timing values representing PDSCH to HARQ-ACK timing;

(2) A network side configures or protocols predefined PDSCH Time Domain Resource Allocation (TDRA) information through a high-level signaling;

(3) The network side configures TDD-UL-DL-configuration common and/or TDD-UL-DL-Configuration Demodified through high-level signaling;

(4) Sending a resource set by the direct link;

(5) The first index of the direct connection link is used for determining the time slot of HARQ-ACK according to DCI (Downlink control information) for scheduling data of the direct connection link;

(6) A second index of the direct connection link, wherein the second index of the direct connection link is used for determining a time slot of the PSSCH according to the DCI of the scheduling direct connection link data;

(7) And determining the time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH by the third index of the direct link.

(1) The beginning of the first symbol of the PUCCH carrying the HARQ-ACK is not earlier than a first preset value or a first number of symbols after the last symbol of the DCI for scheduling the direct link data;

In some embodiments, the set of direct link transmission resources is predefined or configured by higher layer signaling on the network side.

Referring to fig. 5, an embodiment of the present invention provides a method for determining a Type-1 HARQ codebook, which includes: step 501 to step 505.

Step 501: determining a second set for candidate PSSCH transmissions (candidate PDSCH transmissions);

step 502: determining Q bit HARQ-ACK according to the second set, wherein the Q bit HARQ-ACK is used for indicating HARQ-ACK corresponding to candidate PDSCH transmissions;

optionally, determining the second set according to fourth information; the fourth information includes one or more of:

(1) Sending a resource set by the direct link;

(2) The first index of the direct connection link is used for determining the time slot of the HARQ-ACK according to downlink control information DCI of scheduling direct connection link data;

(3) A second index of the direct connection link, wherein the second index of the direct connection link is used for determining a time slot of the PSSCH according to the DCI of the scheduling direct connection link data;

(4) And determining the time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH by the third index of the direct link.

Step 503: determining a third set, the third set being used for candidate PDSCH receptions (candidate PDSCH receptions);

step 504: determining P-bit HARQ-ACK according to the third set, wherein the P-bit HARQ-ACK is used for indicating the HARQ-ACK corresponding to the candidate PDSCH registrations;

step 505: and determining a Type-1 HARQ codebook according to P bit HARQ-ACK and Q bit HARQ-ACK, wherein P and Q are positive integers.

It should be understood that, in the embodiment of the present invention, the order of step 501 to step 502, and the order of step 503 to step 504 are not specifically limited.

In some embodiments, the set of direct link transmission resources is predefined or configured by the network side through higher layer signaling.

In the embodiment of the invention, the problem of collision of PUCCHs which are independently configured and bear the sidelink HARQ codebook and PUCCHs which bear the downlink HARQ codebook is avoided by determining the sidelink HARQ-ACK and the downlink HARQ-ACK in the same HARQ codebook.

The embodiment of the invention also provides a terminal, and as the principle of solving the problem of the terminal is similar to the determination method of the HARQ codebook in the embodiment of the invention, the implementation of the terminal can refer to the implementation of the method, and the repeated parts are not repeated.

Referring to fig. 6, an embodiment of the present invention further provides a terminal, where the terminal 600 includes:

a first determining module 601, configured to determine a PDCCH monitoring opportunity set according to the first information;

a first constructing module 602, configured to determine a Type-2HARQ codebook according to the PDCCH monitoring opportunity set;

wherein the first information comprises one or more of:

(1) PDSCH to HARQ feedback timing values;

(2) A first value of time slot offset, the first value of time slot offset representing a time slot offset between the DCI and its scheduled PDSCH;

(3) The first index of the direct connection link is used for determining the time slot of HARQ-ACK according to DCI (Downlink control information) for scheduling data of the direct connection link;

(4) A second index of the direct connection link, wherein the second index of the direct connection link is used for determining a time slot of the PSSCH according to the DCI of the scheduling direct connection link data;

(5) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH in which the third index of the direct link is quoted.

In some embodiments, the DCI format of the PDCCH bearer includes one or more of:

(1)DCI format 1_0；

(2)DCI format 1_1；

(3) And scheduling DCI format of the direct link data.

In some embodiments, the direct link first index is predefined or configured by higher layer signaling on the network side.

In some embodiments, the scheduling the DCI for the direct link data comprises: a counter downstream allocation indication (counter DAI), and/or a total downstream allocation indication (total DAI).

The terminal provided in the embodiment of the present invention may implement the foregoing embodiments, and the implementation principle and technical effects are similar, which are not described herein again.

Referring to fig. 7, an embodiment of the present invention further provides a terminal, where the terminal 700 includes: a first transceiver 701 and a first processor 702, the first processor 702 configured to determine a PDCCH monitoring opportunity set according to the first information; a first processor 702, further configured to determine a Type-2HARQ codebook according to the PDCCH monitoring opportunity set;

wherein the first information comprises one or more of:

(1) PDSCH to HARQ feedback timing values;

(2) A slot offset first value representing a slot offset between the DCI and its scheduled PDSCH;

(3) A first index of a direct link, the first index of the direct link being used for determining a time slot of HARQ-ACK according to DCI scheduling data of the direct link;

(4) A second index of the direct connection link, the second index of the direct connection link being used for determining a time slot of the PSSCH according to DCI scheduling data of the direct connection link;

(1)DCI format 1_0；

(2)DCI format 1_1；

(3) And scheduling DCI format of the direct link data.

(1) The beginning of the first symbol of the PUCCH bearing the HARQ-ACK is not earlier than a first preset value or a first number of symbols after the last symbol of the DCI for scheduling the direct connection link data;

In some embodiments, the DCI scheduling the direct link data comprises: a counter downstream allocation indication (counter DAI), and/or a total downstream allocation indication (total DAI).

The terminal provided by the embodiment of the present invention can implement the above-mentioned embodiments, and the implementation principle and technical effect are similar, which are not described herein again.

Referring to fig. 8, an embodiment of the present invention provides a terminal 800, where the terminal includes:

a second determining module 801, configured to determine a first PDCCH monitoring opportunity set;

a second constructing module 802, configured to determine an N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set;

a third determining module 803, configured to determine a second PDCCH monitoring opportunity set;

in some embodiments, the third determination module 803 is further configured to: determining a second PDCCH monitoring opportunity set according to the second information; the second information includes one or more of:

(1) A first index of a direct link, the first index of the direct link being used for determining a time slot of HARQ-ACK according to DCI scheduling data of the direct link;

(2) A second index of the direct connection link, the second index of the direct connection link being used for determining a time slot of the PSSCH according to DCI scheduling data of the direct connection link;

(3) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH.

A third constructing module 804, configured to determine an M-bit HARQ-ACK according to the second PDCCH monitoring opportunity set;

a fourth constructing module 805, configured to determine a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, where N and M are positive integers.

Referring to fig. 9, an embodiment of the present invention provides a terminal, where the terminal 900 includes: a second transceiver 901 and a second processor 902.

A second processor 902 for determining a first set of PDCCH monitoring opportunities;

a second processor 902, further configured to determine an N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set;

a second processor 902, further configured to determine a second set of PDCCH monitoring opportunities;

in some implementations, the second processor 902 is further configured to: determining a second PDCCH monitoring opportunity set according to the second information; the second information includes one or more of:

(2) A second index of the direct link, the second index of the direct link being used for determining a time slot of the PSSCH according to DCI for scheduling data of the direct link;

(3) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH by the third index of the direct link.

A second processor 902, further configured to determine an M-bit HARQ-ACK according to the second PDCCH monitoring opportunity set;

the second processor 902 is further configured to determine a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, where N and M are positive integers.

Referring to fig. 10, an embodiment of the present invention further provides a terminal, where the terminal 1000 includes:

a fourth determining module 1001, configured to determine, according to the third information, a first set, where the first set is used for candidate PDSCH reception and/or candidate psch transmission;

a fifth constructing module 1002, configured to determine a Type-1 HARQ codebook according to the first set;

wherein the third information comprises one or more of:

(1) A set of time slot or sub-time slot timing values representing PDSCH to HARQ-ACK timing;

(2) The network side allocates TDRA information through PDSCH time domain resource predefined by high-level signaling configuration or protocol;

(3) TDD-UL-DL-configuration common and/or TDD-UL-DL-configuration divided configured by the network side through higher layer signaling;

(4) Sending a resource set by the direct link;

(5) The first index of the direct connection link is used for determining the time slot of HARQ-ACK according to downlink control information DCI of scheduling direct connection link data;

(6) A second index of the direct connection link, the second index of the direct connection link being used for determining a time slot of the PSSCH according to DCI scheduling data of the direct connection link;

(7) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH by the third index of the direct link.

(1) A first symbol of a Physical Uplink Control CHannel (PUCCH) carrying the HARQ-ACK starts no earlier than a first preset value or a first number of symbols after a last symbol of the DCI scheduling the direct link data;

Referring to fig. 11, an embodiment of the present invention further provides a terminal, where the terminal 1100 includes: a third transceiver 1101 and a third processor 1102.

A third processor 1102 configured to determine a first set for candidate PDSCH reception and/or candidate psch transmission based on third information;

a third processor 1102, further configured to determine a Type-1 HARQ codebook according to the first set;

wherein the third information comprises one or more of:

(4) Sending a resource set by the direct link;

(7) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH.

Referring to fig. 12, an embodiment of the present invention further provides a terminal, where the terminal 1200 includes:

a fifth determining module 1201 for determining a second set, the second set for candidate PSSCH transmissions;

a sixth constructing module 1202, configured to determine a Q-bit HARQ-ACK according to the second set;

(1) Sending a resource set by the direct link;

(2) The first index of the direct connection link is used for determining the time slot of HARQ-ACK according to downlink control information DCI of scheduling direct connection link data;

(3) A second index of the direct connection link, the second index of the direct connection link being used for determining a time slot of the PSSCH according to DCI scheduling data of the direct connection link;

(4) And determining a time slot or symbol of the HARQ-ACK according to the time slot or symbol of the PSSCH.

A sixth determining module 1203, configured to determine a third set, where the third set is used for candidate PDSCH reception;

a seventh constructing module 1204, configured to determine P-bit HARQ-ACK according to the third set;

an eighth constructing module 1205, configured to determine a Type-1 HARQ codebook according to the P-bit HARQ-ACK and the Q-bit HARQ-ACK, where P and Q are positive integers.

The embodiment of the invention also provides a terminal, and as the principle of solving the problem of the terminal is similar to the determination method of the HARQ codebook in the embodiment of the invention, the implementation of the terminal can refer to the implementation of the method, and the repeated parts are not described again.

Referring to fig. 13, an embodiment of the present invention further provides a terminal, where the terminal 1300 includes: a fourth transceiver 1301 and a fourth processor 1302.

A fourth processor 1302 for determining a second set, the second set for candidate PSSCH transmissions;

a fourth processor 1302, further configured to determine a qbit HARQ-ACK according to the second set;

(1) The direct connection link sends a resource set;

A fourth processor 1302, further configured to determine a third set, the third set being used for candidate PDSCH reception;

a fourth processor 1302, further configured to determine a P-bit HARQ-ACK according to the third set;

the fourth processor 1302 is further configured to determine a Type-1 HARQ codebook according to the P-bit HARQ-ACK and the Q-bit HARQ-ACK, where P and Q are positive integers.

As shown in fig. 14, the terminal 1400 shown in fig. 14 includes: at least one processor 1401, memory 1402, at least one network interface 1404, and a user interface 1403. The various components in terminal 1400 are coupled together by a bus system 1405. It will be appreciated that bus system 1405 is used to enable communications among the components connected. The bus system 1405 includes a power bus, a control bus, and a status signal bus, in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 1405 in fig. 14.

The user interface 1403 may include, among other things, a display, a keyboard or a pointing device (e.g., a mouse, trackball (trackball), a touch pad or touch screen, etc.

It will be appreciated that memory 1402 in embodiments of the present invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration, and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), double Data rate Synchronous Dynamic random access memory (ddr DRAM), enhanced Synchronous SDRAM (ESDRAM), synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 1402 of the systems and methods described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.

In some embodiments, memory 1402 holds the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 14021 and application programs 14022.

The operating system 14021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 14022 contains various applications such as a Media Player (Media Player), a Browser (Browser), and the like, and is used to implement various application services. A program implementing a method according to an embodiment of the invention may be included in the application 14022.

In one embodiment of the present invention, the steps described in the above method are implemented by calling a program or instructions stored in the memory 1402, and in particular, stored in the application 14022, when executing the program or instructions.

The terminal provided by the embodiment of the present invention can execute the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.

The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or may be embodied in software instructions executed by a processor. The software instructions may consist of corresponding software modules that may be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, a removable hard disk, a compact disk, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may be carried in a core network interface device. Of course, the processor and the storage medium may reside as discrete components in a core network interface device.

Those skilled in the art will recognize that the functionality described in this disclosure may be implemented in hardware, software, firmware, or any combination thereof, in one or more of the examples described above. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.

Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass these modifications and variations.

Claims

1. A method for determining a Type-2HARQ codebook is characterized by comprising the following steps:

determining a Type-2HARQ codebook according to the PDCCH monitoring opportunity set, wherein the Type-2HARQ codebook comprises sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the first information comprises one or more of:

the first information further comprises one or more of:

the direct link first index is used for determining a time slot of hybrid automatic repeat request response (HARQ-ACK) according to Downlink Control Information (DCI) of scheduling direct link data, and the start of a first symbol of a Physical Uplink Control Channel (PUCCH) bearing the HARQ-ACK is not earlier than a first preset value or a first numerical value symbol behind the last symbol of the DCI of the scheduling direct link data;

the direct connection link second index is used for determining a time slot of a physical direct connection link shared channel (PSSCH) according to the DCI of the scheduled direct connection link data, wherein the start of a first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI of the scheduled direct connection link data; and the third index of the direct link is used for determining a time slot or a symbol of HARQ-ACK according to the time slot or the symbol of the PSSCH, and the start of a first symbol of a PUCCH carrying the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH.

2. The method according to claim 1, wherein the downlink control information format, DCI, format carried by the PDCCH includes one or more of:

DCI format 1_0；

DCI format 1_1；

and scheduling DCI format of the direct link data.

3. The method of claim 1, wherein the direct link first index is predefined or configured by higher layer signaling on the network side.

4. The method of claim 1, wherein the scheduling DCI for direct link data comprises: the counter downlink assignment indicates the counter DAI, and/or the total downlink assignment indicates the total DAI.

5. A method for determining a Type-2HARQ codebook is characterized by comprising the following steps:

determining a first set of PDCCH monitoring opportunities;

determining N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set, wherein the N-bit HARQ-ACK is used for indicating the HARQ-ACK corresponding to DCI format1_0 or DCI format 1_1;

determining a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, wherein N and M are positive integers, and the Type-2HARQ codebook comprises sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the second information comprises one or more of:

the direct link first index is used for determining a time slot of HARQ-ACK according to DCI (Downlink control information) scheduling direct link data, and the start of a first symbol of a PUCCH (physical uplink control channel) carrying the HARQ-ACK is not earlier than a first preset value or a first number of symbols after the last symbol of the DCI scheduling direct link data;

the second index of the direct connection link is used for determining a time slot of a PSSCH according to the DCI of the scheduled direct connection link data, and the start of a first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI of the scheduled direct connection link data;

and the third index of the direct link is used for determining the time slot or symbol of the HARQ-ACK according to the time slot or symbol where the PSSCH is located, and the start of the first symbol of the PUCCH bearing the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH.

6. The method of claim 5, wherein the DCI format carried by the first PDCCH monitoring opportunity set comprises: DCI format1_0 and DCI format 1_1.

7. The method of claim 5, wherein the DCI format carried by the second set of PDCCH monitoring opportunities comprises: and scheduling DCI format of the direct link data.

8. The method of claim 5, wherein the scheduling DCI for direct link data comprises: counter DAI, and/or, total DAI.

9. A method for determining a Type-1 HARQ codebook is characterized by comprising the following steps:

determining a first set according to the third information, wherein the first set is used for candidate PDSCH reception and candidate PSSCH transmission;

determining a Type-1 HARQ codebook according to the first set, wherein the Type-1 HARQ codebook comprises sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the third information comprises one or more of:

a set of slot or sub-slot timing values representing PDSCH to HARQ-ACK timing;

the network side configures PDSCH time domain resource allocation information predefined by a high-level signaling or a protocol;

the network side configures time division duplex-uplink-downlink-public configuration and/or time division duplex-uplink-downlink-special configuration through high-level signaling;

the third information further comprises one or more of:

the direct-connected link first index is used for determining a time slot of HARQ-ACK according to downlink control information DCI of scheduling direct-connected link data, and the start of a first symbol of a PUCCH carrying the HARQ-ACK is not earlier than a first preset value or a first number of symbols behind the last symbol of the DCI of the scheduling direct-connected link data;

the direct link second index is used for determining a time slot of a PSSCH according to DCI (Downlink control information) for scheduling direct link data, wherein the start of a first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI for scheduling the direct link data;

and the third index of the direct link is used for determining a time slot or a symbol of HARQ-ACK according to the time slot or the symbol of the PSSCH, and the start of a first symbol of a PUCCH carrying the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH.

10. The method of claim 9, wherein the set of direct link transmission resources is predefined or configured on the network side through higher layer signaling.

11. A method for determining a Type-1 HARQ codebook is characterized by comprising the following steps:

determining a second set according to fourth information, the second set being used for candidate PSSCH transmission;

determining Q bit HARQ-ACK according to the second set;

determining a third set, the third set for candidate PDSCH reception;

determining P bit HARQ-ACK according to the third set;

determining a Type-1 HARQ codebook according to the P bit HARQ-ACK and the Q bit HARQ-ACK, wherein the Type-1 HARQ codebook comprises sidelink HARQ-ACK and downlink HARQ-ACK, and P and Q are positive integers;

wherein the fourth information comprises one or more of:

the direct link second index is used for determining a time slot of a PSSCH according to DCI (Downlink control information) of scheduling direct link data, wherein the start of a first symbol of the PSSCH is not earlier than a third preset value or a third number of symbols after the last symbol of the DCI of the scheduling direct link data;

12. The method of claim 11,

the fourth information further includes:

and the direct link sends the resource set.

13. The method of claim 12, wherein the set of direct link transmission resources is predefined or configured by higher layer signaling on the network side.

14. A terminal, comprising:

a first construction module, configured to determine a Type-2HARQ codebook according to the PDCCH monitoring opportunity set, where the Type-2HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the first information comprises one or more of:

a first value of time slot offset, which represents the time slot offset between the downlink control information DCI and the PDSCH scheduled by the downlink control information DCI;

the first information further comprises one or more of:

the direct-connected link first index is used for determining a time slot of HARQ-ACK according to DCI for scheduling direct-connected link data, and the start of a first symbol of a PUCCH for bearing the HARQ-ACK is not earlier than a first preset value or a first number of symbols after the last symbol of the DCI for scheduling the direct-connected link data;

15. A terminal, comprising: the first transceiver and the first processor are used for determining a PDCCH monitoring opportunity set according to the first information; the first processor is further configured to determine a Type-2HARQ codebook according to the PDCCH monitoring opportunity set, where the Type-2HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the first information comprises one or more of:

the first information further comprises one or more of:

and the third index of the direct connection link is used for determining a time slot or a symbol of HARQ-ACK according to the time slot or the symbol of the PSSCH, and the start of the first symbol of the PUCCH bearing the HARQ-ACK is not earlier than a second preset value or a second number of symbols after the last symbol of the PSSCH.

16. A terminal, comprising:

a second building module, configured to determine an N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set, and to indicate that DCI format1_0 or DCI format 1_1 corresponds to the HARQ-ACK;

a third determining module, configured to determine a second PDCCH monitoring opportunity set according to the second information;

a fourth construction module, configured to determine a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, where the Type-2HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK, and N and M are positive integers;

wherein the second information comprises one or more of:

17. A terminal, comprising: a second transceiver and a second processor;

the second processor is further configured to determine an N-bit HARQ-ACK according to the first PDCCH monitoring opportunity set, and is configured to indicate that DCI format1_0 or DCI format 1_1 corresponds to HARQ-ACK;

the second processor is further configured to determine a second PDCCH monitoring opportunity set according to second information;

the second processor is further configured to determine a Type-2HARQ codebook according to the N-bit HARQ-ACK and the M-bit HARQ-ACK, where the Type-2HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK, and N and M are positive integers;

wherein the second information comprises one or more of:

the direct-connected link first index is used for determining a time slot of HARQ-ACK according to DCI for scheduling direct-connected link data, and the start of a first symbol of a PUCCH for bearing the HARQ-ACK is not earlier than a first preset value or a first numerical value symbol after the last symbol of the DCI for scheduling the direct-connected link data;

18. A terminal, comprising:

a fourth determining module, configured to determine a first set according to the third information, where the first set is used for candidate PDSCH reception and candidate psch transmission;

a fifth constructing module, configured to determine a Type-1 HARQ codebook according to the first set, where the Type-1 HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the third information comprises one or more of:

a set of slot or sub-slot timing values representing PDSCH to HARQ-ACK timing;

the third information further comprises one or more of:

19. A terminal, comprising: a third transceiver and a third processor;

the third processor is configured to determine a first set according to third information, where the first set is used for candidate PDSCH reception and candidate psch transmission;

the third processor is further configured to determine a Type-1 HARQ codebook according to the first set, where the Type-1 HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK;

wherein the third information comprises one or more of:

a set of slot or sub-slot timing values representing PDSCH to HARQ-ACK timing;

the network side configures time division duplex-uplink-downlink-common configuration and/or time division duplex-uplink-downlink-special configuration through a high-level signaling;

the third information further comprises one or more of:

20. A terminal, comprising:

a fifth determining module, configured to determine a second set according to fourth information, the second set being used for candidate PSSCH transmission;

a seventh construction module, configured to determine a P-bit HARQ-ACK according to the third set;

an eighth construction module, configured to determine a Type-1 HARQ codebook according to the P-bit HARQ-ACK and the Q-bit HARQ-ACK, where the Type-1 HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK, and P and Q are positive integers;

wherein the fourth information comprises one or more of:

21. A terminal, comprising: a fourth transceiver and a fourth processor;

the fourth processor is configured to determine a second set according to fourth information, where the second set is used for candidate psch transmission;

the fourth processor further configured to determine a third set, the third set for candidate PDSCH reception;

the fourth processor is further configured to determine a Type-1 HARQ codebook according to the P-bit HARQ-ACK and the Q-bit HARQ-ACK, where the Type-1 HARQ codebook includes sidelink HARQ-ACK and downlink HARQ-ACK, and P and Q are positive integers;

wherein the fourth information comprises one or more of:

22. A terminal, comprising: processor, memory and program stored on said memory and executable on said processor, said program when executed by said processor implementing the steps of the method for determining a HARQ codebook according to any of claims 1 to 13.

23. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the method for determining a HARQ codebook according to any of the claims 1 to 13.