Transmission method, configuration method, terminal, and network-side device

Patent metadata

Field	Value
Publication number	US-12446034-B2
Application number	US-202217671887-A
Country	US
Kind code	B2
Filing date	Feb 15, 2022
Priority date	Aug 16, 2019
Publication date	Oct 14, 2025
Grant date	Oct 14, 2025

Abstract

A transmission method, a configuration method, a terminal, and a network-side device. The method includes: receiving a physical downlink shared channel (PDSCH); and determining a transmission parameter of a Hybrid Automatic Repeat reQuest Acknowledgment (HARQ-ACK) codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource.

First claim

What is claimed is:

1. A transmission method, applied to a terminal, the method comprising:
receiving a physical downlink shared channel (PDSCH); and
determining a transmission parameter of a Hybrid Automatic Repeat reQuest Acknowledgment (HARQ-ACK) codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource;
wherein the determining a transmission parameter of a HARQ-ACK codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource further comprises:
determining the transmission parameter of the HARQ-ACK codebook corresponding to the PDSCH according to a target transmission resource, wherein the target transmission resource is determined according to time domain resource format configuration information or resource usage configuration information;
wherein the target transmission resource comprises at least one of a first time domain resource, a second time domain resource, or a third time domain resource, wherein:
the first time domain resource comprises a time domain resource configured by a network-side device for HARQ-ACK feedback;
the second time domain resource comprises a time domain resource of which a time domain resource format is uplink (UL) as indicated by semi-persistent UL/downlink (DL) configuration; and
the third time domain resource comprises a time domain resource of which a time domain resource format is UL as indicated by dynamic UL/DL configuration signaling, wherein a time interval between a reception time of the dynamic UL/DL configuration signaling and the third time domain resource in time domain is greater than or equal to a preset value.

2. The transmission method according to claim 1 , wherein the PDSCH is a channel sent based on Semi-Persistent Scheduling (SPS).

3. The transmission method according to claim 1 , wherein the transmission parameter comprises at least one of the following parameters: a time domain position parameter used for indicating a generation position of the HARQ-ACK codebook or a resource indication parameter used for indicating a time domain transmission resource of the HARQ-ACK codebook.

4. The transmission method according to claim 3 , wherein the target transmission resource is a transmission resource that can be used to transmit the HARQ-ACK codebook, and a time domain position indicated by the time domain position parameter is a time domain position corresponding to the target transmission resource;
or
the target transmission resource is a transmission resource that can be used to transmit the HARQ-ACK codebook, and a time domain resource indicated by the resource indication parameter is the target transmission resource;
or
the target transmission resource is a transmission resource that can be used to transmit the HARQ-ACK codebook, a time domain position indicated by the time domain position parameter is a time domain position corresponding to the target transmission resource, and a time domain resource indicated by the resource indication parameter is the target transmission resource.

5. The transmission method according to claim 1 , wherein the first time domain resource is associated with at least one PDSCH transmission occasion, and an offset between the first time domain resource and the at least one PDSCH transmission occasion in time domain is greater than or equal to K time units, wherein K is indicated by downlink control information (DCI), or K is a default value.

6. The transmission method according to claim 1 , wherein the target transmission resource comprises a first time domain resource, wherein the first time domain resource comprises a time domain resource configured by a network-side device for HARQ-ACK feedback; and
after the determining a transmission parameter of a HARQ-ACK codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource, the transmission method further comprises:
performing at least one of the following operations when a time domain resource format of the target transmission resource is inconsistent with a time domain resource format indicated by UL/DL configuration: skipping generating the HARQ-ACK codebook at a time domain position corresponding to the target transmission resource, or skipping transmitting the HARQ-ACK codebook on the target transmission resource.

7. The transmission method according to claim 1 , wherein the target transmission resource comprises a first time domain resource, wherein the first time domain resource comprises a time domain resource configured by a network-side device for HARQ-ACK feedback; and
the transmission method further comprises:
receiving a configuration message, wherein the configuration message is used for indicating the first time domain resource.

8. The transmission method according to claim 7 , wherein the configuration message indicates the first time domain resource using a first parameter group or a second parameter group;
the first parameter group comprises a periodicity parameter, used for indicating a repetition period of the first time domain resource; and a first position parameter, used for indicating a time domain position of the first time domain resource within one period; and
the second parameter group comprises a periodicity parameter, used for indicating a repetition period of the first time domain resource; and a second position parameter, used for indicating a time domain offset of the first time domain resource relative to a period boundary.

9. The transmission method according to claim 1 , wherein the determining a transmission parameter of a HARQ-ACK codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource further comprises:
determining the transmission parameter of the HARQ-ACK codebook corresponding to the PDSCH according to the time domain resource format of the transmission resource when the HARQ-ACK codebook cannot be transmitted in a feedback slot, wherein a slot offset between the feedback slot and a reception slot of the PDSCH is K, wherein K is indicated by downlink control information (DCI), or K is a default value.

10. A terminal, comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, wherein the computer program, when executed by the processor, to implements:
receiving a physical downlink shared channel (PDSCH); and
determining a transmission parameter of a Hybrid Automatic Repeat reQuest Acknowledgment (HARQ-ACK) codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource;
wherein the determining a transmission parameter of a HARQ-ACK codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource further comprises:
determining the transmission parameter of the HARQ-ACK codebook corresponding to the PDSCH according to a target transmission resource, wherein the target transmission resource is determined according to time domain resource format configuration information or resource usage configuration information;
wherein the target transmission resource comprises at least one of a first time domain resource, a second time domain resource, or a third time domain resource, wherein:
the first time domain resource comprises a time domain resource configured by a network-side device for HARQ-ACK feedback;
the second time domain resource comprises a time domain resource of which a time domain resource format is uplink (UL) as indicated by semi-persistent UL/downlink (DL) configuration; and
the third time domain resource comprises a time domain resource of which a time domain resource format is UL as indicated

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Chen Xiaohang
• Lu Zhi
• Pan Xueming

Classifications

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/0446

  Resources in time domain, e.g. slots or frames · CPC title

• H04L5/0053

  Allocation of signalling, i.e. of overhead other than pilot signals · CPC title

• H04L1/1812

  Hybrid protocols; Hybrid automatic repeat request [HARQ] · CPC title

• H04W72/11

  Semi-persistent scheduling · CPC title