Granted Patent B2

US 12,750,166 · App. 18/003,381 · Granted Sep 29, 2026

Inventors: Kangqi Liu (San Diego, CA); Liangming Wu (Beijing, CN); Yu Zhang (San Diego, CA); Chao Wei (Beijing, CN); Changlong Xu (Beijing, CN); Chenxi Hao (Beijing, CN); Min Huang (Beijing, CN); Qiaoyu Li (Beijing, CN); Hao Xu (Beijing, CN); Wei Xi (Beijing, CN); Rui Hu (Beijing, CN)

Assignee: QUALCOMM Incorporated

H04L1/1822H04L1/0075H04W72/11H04W72/232

Abstract

Claims (62)

1 . A method for wireless communication at a user equipment (UE), comprising:

transmitting a capability message indicating support for transmitting or monitoring for data transmissions associated with a rateless coding scheme in which hybrid automatic repeat/request acknowledgment information is disabled;

receiving a downlink control information comprising a grant scheduling a data transmission for the UE, the data transmission utilizing the rateless coding scheme, wherein the downlink control information is based at least in part on the capability message, and wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the data transmission utilizing the rateless coding scheme and based at least in part on one or more of: the downlink control information, a resource associated with the downlink control information, or a semi-persistent scheduling configuration associated with the data transmission; and

transmitting or monitoring for the data transmission according to the downlink control information and the rateless coding scheme, wherein the UE refrains from monitoring for or transmitting the hybrid automatic repeat/request acknowledgment information for the data transmission in accordance with the hybrid automatic repeat/request acknowledgment information being disabled.

2 . The method of claim 1 , wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on a radio network temporary identifier used to scramble a cyclic redundancy check portion of the downlink control information.

3 . The method of claim 1 , wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on a field indicated in the downlink control information.

4 . The method of claim 3 , wherein the field comprises one or more bits associated with configuring the rateless coding scheme for the UE without the hybrid automatic repeat/request acknowledgment information, a modulation and coding scheme field, a new data indicator, a redundancy version field, a downlink assignment index field, a transmit power control field, a physical uplink shared channel resource indicator, a physical downlink shared channel to hybrid automatic repeat/request acknowledgment information timing indicator field, a hybrid automatic repeat/request process number, or a combination thereof.

5 . The method of claim 1 , further comprising:

receiving the downlink control information in a first portion of the resource associated with the downlink control information, different than a second portion of the resource associated with the downlink control information,

wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the downlink control information being received in the first portion of the resource.

6 . The method of claim 5 , wherein the resource associated with the downlink control information comprises a control resource set, a search space set, or both.

7 . The method of claim 1 , further comprising:

receiving a radio resource control configuration indicating the semi-persistent scheduling configuration associated with the data transmission,

wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the radio resource control configuration.

8 . The method of claim 7 , wherein the radio resource control configuration comprises a semi-persistent scheduling configuration indication, a configured grant configuration indication, or both.

9 . The method of claim 1 , wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on a hybrid automatic repeat/request process number indicated in the downlink control information.

10 . The method of claim 9 , wherein a first set of hybrid automatic repeat/request process numbers indicate that the hybrid automatic repeat/request acknowledgment information is disabled for the data transmission and a second set of hybrid automatic repeat/request process numbers indicate that the hybrid automatic repeat/request acknowledgment information is enabled for a data transmission using a non-rateless coding scheme.

11 . A method for wireless communication at a network node, comprising:

receiving a capability message indicating support for transmitting or monitoring for data transmissions associated with a rateless coding scheme in which hybrid automatic repeat/request acknowledgment information is disabled;

transmitting a downlink control information comprising a grant scheduling a data transmission, with a user equipment (UE), utilizing the rateless coding scheme, wherein the downlink control information is based at least in part on the capability message, and wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the data transmission utilizing the rateless coding scheme and based at least in part on one or more of: the downlink control information, a resource associated with the downlink control information, or a semi-persistent scheduling configuration associated with the data transmission; and

transmitting or monitoring for the data transmission according to the downlink control information and the rateless coding scheme, wherein the network node refrains from monitoring for or transmitting the hybrid automatic repeat/request acknowledgment information for the data transmission in accordance with the hybrid automatic repeat/request acknowledgment information being disabled.

12 . The method of claim 11 , further comprising:

scrambling a cyclic redundancy check portion of the downlink control information using a radio network temporary identifier that indicates to disable the hybrid automatic repeat/request acknowledgment information for the data transmission.

13 . The method of claim 11 , further comprising:

configuring a field in the downlink control information to indicate to disable the hybrid automatic repeat/request acknowledgment information for the data transmission.

14 . The method of claim 13 , wherein the field comprises one or more bits associated with configuring the rateless coding scheme for the UE without the hybrid automatic repeat/request acknowledgment information, a modulation and coding scheme field, a new data indicator, a redundancy version field, a downlink assignment index field, a transmit power control field, a physical uplink shared channel resource indicator, a physical downlink shared channel to hybrid automatic repeat/request acknowledgment information timing indicator field, a hybrid automatic repeat/request process number, or a combination thereof.

15 . The method of claim 11 , further comprising:

transmitting the downlink control information in a first portion of the resource associated with the downlink control information, different than a second portion of the resource associated with the downlink control information, wherein transmitting the downlink control information in the first portion indicates to disable the hybrid automatic repeat/request acknowledgment information for the data transmission.

16 . The method of claim 15 , wherein the resource associated with the downlink control information comprises a control resource set, a search space set, or both.

17 . The method of claim 11 , further comprising:

transmitting a radio resource control configuration indicating the semi-persistent scheduling configuration associated with the data transmission, wherein the radio resource control configuration indicates to disable the hybrid automatic repeat/request acknowledgment information for the data transmission based at least in part on the radio resource control configuration.

18 . The method of claim 17 , wherein the radio resource control configuration comprises a semi-persistent scheduling configuration indication, a configured grant configuration indication, or both.

19 . The method of claim 11 , further comprising:

selecting a hybrid automatic repeat/request process number indicated in the downlink control information that indicates to disable the hybrid automatic repeat/request acknowledgment information for the data transmission.

20 . The method of claim 19 , wherein a first set of hybrid automatic repeat/request process numbers indicate that the hybrid automatic repeat/request acknowledgment information is disabled for the data transmission using the rateless coding scheme and a second set of hybrid automatic repeat/request process numbers indicate that the hybrid automatic repeat/request acknowledgment information is enabled for a data transmission using a non-rateless coding scheme.

21 . An apparatus for wireless communication at a user equipment (UE), comprising:

one or more processors;

one or more memories coupled with the one or more processors; and

instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to:

transmit a capability message indicating support for transmitting or monitoring for data transmissions associated with a rateless coding scheme in which hybrid automatic repeat/request acknowledgment information is disabled;

receive a downlink control information comprising a grant scheduling a data transmission for the UE, the data transmission utilizing the rateless coding scheme, wherein the downlink control information is based at least in part on the capability message, and wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the data transmission utilizing the rateless coding scheme and based at least in part on one or more of: the downlink control information, a resource associated with the downlink control information, or a semi-persistent scheduling configuration associated with the data transmission; and

transmit or monitor for the data transmission according to the downlink control information and the rateless coding scheme, wherein the UE refrains from monitoring for or transmitting the hybrid automatic repeat/request acknowledgment information for the data transmission in accordance with the hybrid automatic repeat/request acknowledgment information being disabled.

22 . The apparatus of claim 21 , wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on a radio network temporary identifier used to scramble a cyclic redundancy check portion of the downlink control information.

23 . The apparatus of claim 21 , wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on a field indicated in the downlink control information.

24 . The apparatus of claim 23 , wherein the field comprises one or more bits associated with configuring the rateless coding scheme for the UE without the hybrid automatic repeat/request acknowledgment information, a modulation and coding scheme field, a new data indicator, a redundancy version field, a downlink assignment index field, a transmit power control field, a physical uplink shared channel resource indicator, a physical downlink shared channel to hybrid automatic repeat/request acknowledgment information timing indicator field, a hybrid automatic repeat/request process number, or a combination thereof.

25 . The apparatus of claim 21 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

receive the downlink control information in a first portion of the resource associated with the downlink control information or a second portion of the resource associated with the downlink control information,

wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the downlink control information received in the first portion of the resource or the second portion of the resource.

26 . The apparatus of claim 25 , wherein the resource associated with the downlink control information comprises a control resource set, a search space set, or both.

27 . An apparatus for wireless communication at a network node, comprising:

one or more processors;

one or more memories coupled with the one or more processors; and

instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to:

receive a capability message indicating support for transmitting or monitoring for data transmissions associated with a rateless coding scheme in which hybrid automatic repeat/request acknowledgment information is disabled;

transmit a downlink control information comprising a grant scheduling a data transmission, with a user equipment (UE), utilizing the rateless coding scheme, wherein the downlink control information is based at least in part on the capability message, and wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the data transmission utilizing the rateless coding scheme and based at least in part on one or more of: the downlink control information, a resource associated with the downlink control information, or a semi-persistent scheduling configuration associated with the data transmission; and

transmit or monitor for the data transmission according to the downlink control information and the rateless coding scheme, wherein the network node refrains from monitoring for or transmitting the hybrid automatic repeat/request acknowledgment information for the data transmission in accordance with the hybrid automatic repeat/request acknowledgment information being disabled.

28 . The apparatus of claim 27 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

scramble a cyclic redundancy check portion of the downlink control information using a radio network temporary identifier that indicates to disable the hybrid automatic repeat/request acknowledgment information for the data transmission.

29 . The apparatus of claim 21 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

receive a radio resource control configuration indicating the semi-persistent scheduling configuration associated with the data transmission, wherein the hybrid automatic repeat/request acknowledgment information for the data transmission is disabled based at least in part on the radio resource control configuration.

30 . The apparatus of claim 27 , wherein the instructions are further executable by the one or more processors to cause the apparatus to:

configure a field in the downlink control information to indicate to disable the hybrid automatic repeat/request acknowledgment information for the data transmission.

Assignments (2)

Priority Claims (1)

Continuity (1)

References Cited (53)