US-12628149-B2 - Codebook retransmission indication in control signaling

Abstract

Methods, apparatus, and systems that facilitate the indication of the codebook to be transmitted/retransmitted are disclosed. In one example aspect, a method for wireless communication includes transmitting, by a base station, a physical-layer control signaling message to a user device triggering a retransmission of a codebook for a feedback transmission that has been previously canceled. The physical-layer control signaling message includes a field of resource assignment that is used to indicate an attribute associated with the codebook. The method also includes receiving, by the base station, the retransmission of the codebook from the user device according to the physical-layer control signaling message.

Inventors

• Wei Gou
• Junfeng Zhang
• Jing Shi
• Shuaihua Kou
• Peng Hao

Assignees

• ZTE CORPORATION

Dates

Publication Date

20260512

Application Date

20231128

Claims (18)

1. 1 . A method for wireless communication, comprising: receiving, by a user equipment (UE), a configuration used for a delayed feedback for a Semi-Persistent Scheduling (SPS) transmission from a base station, and, and wherein the delayed feedback for the SPS transmission refers to: a transmission for Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) information corresponding to the SPS transmission overlaps with a downlink symbol in an initial slot, then the transmission for the HARQ-ACK information is delayed from the initial slot to a target slot; and selectively initiating, by the UE, a determination of the target slot for transmitting the HARQ-ACK information, wherein a slot comprising a Physical Uplink Control Channel (PUCCH) multiplexing the HARQ-ACK information of the SPS transmission is the target slot; and wherein the delayed feedback for the SPS transmission is stopped in response to the PUCCH multiplexing the HARQ-ACK information being dropped due to an overlapping with a transmission having a high priority.
2. 2 . The method of claim 1 , wherein the PUCCH multiplexing the HARQ-ACK information is transmitted in the target slot in response to the PUCCH multiplexing the HARQ-ACK information not overlapping with a downlink symbol and not being dropped due to a transmission having a high priority.
3. 3 . The method of claim 1 , wherein determination of the target slot for the delayed feedback is not performed upon a PUCCH resource for carrying the HARQ-ACK information of the SPS transmission being dropped due to an overlapping with a transmission having a high priority.
4. 4 . The method of claim 1 , wherein the HARQ-ACK information of the SPS transmission is concatenated with a HARQ-ACK codebook scheduled for another transmission.
5. 5 . The method of claim 1 , comprising: transmitting, by the UE, the HARQ-ACK information of the SPS transmission using the target slot.
6. 6 . A method for wireless communication, comprising: transmitting, by a base station, a configuration used for a delayed feedback for a Semi-Persistent Scheduling (SPS) transmission to a user equipment (UE), and wherein the delayed feedback for the SPS transmission refers to: a transmission for Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) information corresponding to the SPS transmission overlaps with a downlink symbol in an initial slot, then the transmission for the HARQ-ACK information is delayed from the initial slot to a target slot; and selectively receiving, by the base station, the HARQ-ACK information of the SPS transmission using the target slot, wherein a slot comprising a Physical Uplink Control Channel (PUCCH) multiplexing the HARQ-ACK information of the SPS transmission is the target slot; and wherein the delayed feedback for the SPS transmission is stopped in response to the PUCCH multiplexing the HARQ-ACK information being dropped due to an overlapping with a transmission having a high priority.
7. 7 . The method of claim 6 , wherein the PUCCH multiplexing the HARQ-ACK information is transmitted in the target slot in response to the PUCCH multiplexing the HARQ-ACK information not overlapping with a downlink symbol and not being dropped due to a transmission having a high priority.
8. 8 . The method of claim 6 , wherein determination of the target slot for the delayed feedback is not performed upon a PUCCH resource for carrying the HARQ-ACK information of the SPS transmission being dropped due to an overlapping with a transmission having a high priority.
9. 9 . The method of claim 6 , wherein the HARQ-ACK information of the SPS transmission is concatenated with a HARQ-ACK codebook scheduled for another transmission.
10. 10 . A device for wireless communication, comprising at least one processor configured to: receive a configuration used for a delayed feedback for a Semi-Persistent Scheduling (SPS) transmission from a base station, and wherein the delayed feedback for the SPS transmission refers to: a transmission for Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) information corresponding to the SPS transmission overlaps with a downlink symbol in an initial slot, then the transmission for the HARQ-ACK information is delayed from the initial slot to a target slot; and selectively initiate a determination of the target slot for transmitting the HARQ-ACK information, wherein a slot comprising a Physical Uplink Control Channel (PUCCH) multiplexing the HARQ-ACK information of the SPS transmission is the target slot; and wherein the delayed feedback for the SPS transmission is stopped in response to the PUCCH multiplexing the HARQ-ACK information being dropped due to an overlapping with a transmission having a high priority.
11. 11 . The device of claim 10 , wherein the PUCCH multiplexing the HARQ-ACK information is transmitted in the target slot in response to the PUCCH multiplexing the HARQ-ACK information not overlapping with a downlink symbol and not being dropped due to a transmission having a high priority.
12. 12 . The device of claim 10 , wherein determination of the target slot for the delayed feedback is not performed upon a PUCCH resource for carrying the HARQ-ACK information of the SPS transmission being dropped due to an overlapping with a transmission having a high priority.
13. 13 . The device of claim 10 , wherein the HARQ-ACK information of the SPS transmission is concatenated with a HARQ-ACK codebook scheduled for another transmission.
14. 14 . The device of claim 10 , wherein the at least one processor is configured to: transmit the HARQ-ACK information of the SPS transmission using the target slot.
15. 15 . A device for wireless communication, comprising at least one processor configured to: transmit a configuration used for a delayed feedback for a Semi-Persistent Scheduling (SPS) transmission to a user equipment (UE), and wherein the delayed feedback for the SPS transmission refers to: a transmission for Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) information corresponding to the SPS transmission overlaps with a downlink symbol in an initial slot, then the transmission for the HARQ-ACK information is delayed from the initial slot to a target slot; and selectively receive the HARQ-ACK information of the SPS transmission using the target slot, wherein a slot comprising a Physical Uplink Control Channel (PUCCH) multiplexing the HARQ-ACK information of the SPS transmission is the target slot; and wherein the delayed feedback for the SPS transmission is stopped in response to the PUCCH multiplexing the HARQ-ACK information being dropped due to an overlapping with a transmission having a high priority.
16. 16 . The device of claim 15 , wherein the PUCCH multiplexing the HARQ-ACK information is transmitted in the target slot in response to the PUCCH multiplexing the HARQ-ACK information not overlapping with a downlink symbol and not being dropped due to a transmission having a high priority.
17. 17 . The device of claim 15 , wherein determination of the target slot for the delayed feedback is not performed upon a PUCCH resource for carrying the HARQ-ACK information of the SPS transmission being dropped due to an overlapping with a transmission having a high priority.
18. 18 . The device of claim 15 , wherein the HARQ-ACK information of the SPS transmission is concatenated with a HARQ-ACK codebook scheduled for another transmission.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This patent document is a continuation of and claims benefit of priority to International Patent Application No. PCT/CN2021/128962, filed on Nov. 5, 2021. The entire content of the before-mentioned patent application is incorporated by reference as part of the disclosure of this application. TECHNICAL FIELD This patent document is directed generally to wireless communications. BACKGROUND Mobile communication technologies are moving the world toward an increasingly connected and networked society. The rapid growth of mobile communications and advances in technology have led to greater demand for capacity and connectivity. Other aspects, such as energy consumption, device cost, spectral efficiency, and latency are also important to meeting the needs of various communication scenarios. Various techniques, including new ways to provide higher quality of service, longer battery life, and improved performance are being discussed. SUMMARY This patent document describes, among other things, techniques that facilitate the indication of the codebook to be transmitted/retransmitted without introducing additional signaling overhead or increasing blind detection complexity for the user devices. In one example aspect, a method for wireless communication includes transmitting, by a base station, a physical-layer control signaling message to a user device triggering a retransmission of a codebook for a feedback transmission that has been previously canceled. The physical-layer control signaling message includes a field of resource assignment that is used to indicate an attribute associated with the codebook. The method also includes receiving, by the base station, the retransmission of the codebook from the user device according to the physical-layer control signaling message. In another example aspect, a method for wireless communication includes receiving, by a user device, a physical-layer control signaling message from a base station triggering a retransmission of a codebook for a feedback transmission that has been previously canceled. The physical-layer control signaling message includes a field of resource assignment that is used to indicate an attribute associated with the codebook. The method also includes performing, by the user device, the retransmission of the codebook to the base station according to the physical-layer control signaling message. In another example aspect, a communication apparatus is disclosed. The apparatus includes a processor that is configured to implement an above-described method. In yet another example aspect, a computer-program storage medium is disclosed. The computer-program storage medium includes code stored thereon. The code, when executed by a processor, causes the processor to implement a described method. These, and other, aspects are described in the present document. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 illustrates an example HARQ procedure used in wireless communications. FIG. 2A illustrates an example timeline of operations performed by the user device in accordance with one or more embodiments of the present technology. FIG. 2B illustrates another example timeline of operations performed by the user device in accordance with one or more embodiments of the present technology. FIG. 3A is a flowchart representation of a method for wireless communications in accordance with one or more embodiments of the present technology. FIG. 3B is a flowchart representation of a method for wireless communications in accordance with one or more embodiments of the present technology. FIG. 4 shows an example of a wireless communication system where techniques in accordance with one or more embodiments of the present technology can be applied. FIG. 5 is a block diagram representation of a portion of a radio station in accordance with one or more embodiments of the present technology can be applied. DETAILED DESCRIPTION Section headings are used in the present document only to improve readability and do not limit scope of the disclosed embodiments and techniques in each section to only that section. Certain features are described using the example of Fifth Generation (5G) wireless protocol. However, applicability of the disclosed techniques is not limited to only 5G wireless systems. Hybrid Automatic Repeat Request (HARQ) is a procedure to provide feedback information regarding wither data packets have been transmitted successfully. FIG. 1 illustrates an example HARQ procedure used in wireless communications. The HARQ Acknowledgment (ACK) information can be of different types. Type 1 HARQ ACK information includes forward error correction bits; Type 2 and Type 3 HARQ ACK information introduce redundancy for each re-transmission. With the advance in wireless technology, HARQ ACK codebooks that carry feedback information can have different priorities. In the New Radio (NR) technology, when high-priority and low-priority HARQ ACK codebooks overlap in time dom