Granted Patent B2

US 12,238,042 · App. 17/422,400 · Granted Feb 25, 2025

Inventors: Shujuan Zhang (Shenzhen, CN); Zhaohua Lu (Shenzhen, CN); Yu Ngok Li (Hong Kong, CN); Bo Gao (Shenzhen, CN); Zhen He (Shenzhen, CN); Chuangxin Jiang (Shenzhen, CN)

Assignee: ZTE CORPORATION

H04L5/0092H04L5/0023H04L5/0053H04W52/0216

Abstract

Claims (48)

1. A method for determining spatial relationship information, comprising:

transmitting first control signaling; and

determining spatial relationship information of a plurality of control channel resources according to a predetermined rule and the first control signaling;

wherein the plurality of control channel resources comprise a first control channel resource and a second control channel resource;

wherein determining the spatial relationship information of the plurality of control channel resources according to the predetermined rule comprises: in response to the first control channel resource is not configured with spatial relationship information, determining the spatial relationship information of the first control channel resource according to spatial relationship information of the second control channel resource, wherein first information of the second control channel resource is identical to first information of the first control channel resource;

the first control signaling comprises medium access control (MAC)-control element (CE) signaling that carries the spatial relationship information of the second control channel resource and index information of the second control channel resource but does not carry information of a control channel resource group comprised in the first information, and the first control signaling is used for indicating the spatial relationship information of the plurality of control channel resources; and

in response to the plurality of control channel resources being uplink control channel resources, the first control channel resource is a first uplink control channel resource and the second control channel resource is a second uplink control channel resource;

wherein the second control channel resource is a control channel resource satisfying a predetermined characteristic among control channel resources which have same first information.

2. The method of claim 1 , wherein determining the spatial relationship information of the plurality of control channel resources comprises:

determining the spatial relationship information of the plurality of control channel resources corresponding to first information as the spatial relationship information of the second control channel resource.

3. The method of claim 2 , wherein the plurality of control channel resources corresponding to the first information comprise one of:

at least one control channel resource which has same first information; or

at least one control channel resource in a first control channel resource set corresponding to the first information.

4. The method of claim 1 , wherein the control channel resource group satisfies following characteristic:

the control channel resource group is acquired by grouping control channel resources in the first control channel resource set according to second control signaling; wherein the second control signaling is radio resource control (RRC) signaling and is used to notify control channel resources comprised in the control channel resource group.

5. The method of claim 3 , wherein the first control channel resource set comprises:

control channel resources in P frequency domain bandwidths;

wherein P is a positive integer greater than 1, and each of P frequency domain bandwidths is a component carrier (CC) or a bandwidth part (BWP);

wherein in response to the at least one control channel resource being a downlink control channel resource, the first control channel resource is a first downlink control channel resource and the second control channel resource is a second downlink control channel resource, the first information comprises index information of the second control channel resource in a second control channel resource set.

6. An apparatus for determining spatial relationship information, comprising a processor and a computer-readable storage medium, wherein the computer-readable storage medium stores instructions, and the instructions, when executed by the processor, implement:

transmitting first control signaling; and

determining the spatial relationship information of a plurality of control channel resources according to a predetermined rule and the first control signaling;

wherein the plurality of control channel resources comprise a first control channel resource and a second control channel resource;

wherein the processor determines the spatial relationship information of the plurality of control channel resources according to the predetermined rule comprises: in response to the first control channel resource is not configured with spatial relationship information, determining the spatial relationship information of the first control channel resource according to spatial relationship information of the second control channel resource, wherein first information of the second control channel resourceis identical to first information of the first control channel resource;

the first control signaling comprises medium access control (MAC)-control element (CE) signaling that carries the spatial relationship information of the second control channel resource and index information of the second control channel resource but does not carry information of a control channel resource group comprised in the first information, and the first control signaling is used for indicating the spatial relationship information of the plurality of control channel resources; and

in response to the plurality of control channel resources being uplink control channel resources, the first control channel resource is a first uplink control channel resource and the second control channel resource is a second uplink control channel resource;

wherein the second control channel resource is a control channel resource satisfying a predetermined characteristic among control channel resources which have same first information.

7. A non-transitory computer-readable storage medium, storing computer programs, wherein the computer programs, when executed by a processor, implement the method of claim 1 .

8. A system for determining spatial relationship information, comprising:

a first node, which is configured to perform: transmitting first control signaling and determining spatial relationship information of a plurality of control channel resources according to a predetermined rule and the first control signaling; and

a second node, which is configured to perform at least one of following steps: receiving the first control signaling; and determining the spatial relationship information of the plurality of control channel resources according to the predetermined rule and the first control signaling;

wherein the plurality of control channel resources comprise a first control channel resource and a second control channel resource and the first node determines the spatial relationship information of the plurality of control channel resources by: in response to the first control channel resource is not configured with spatial relationship information, determining the spatial relationship information of the first control channel resource according to spatial relationship information of the second control channel resource, wherein first information of the second control channel resource is identical to first information of the first control channel resource;

wherein the first control signaling comprises medium access control (MAC)-control element (CE) signaling that carries the spatial relationship information of the second control channel resource and index information of the second control channel resource but does not carry information of a control channel resource group comprised in the first information, and the first control signaling is used for indicating the spatial relationship information of the plurality of control channel resources; and

in response to the plurality of control channel resources being uplink control channel resources, the first control channel resource is a first uplink control channel resource and the second control channel resource is a second uplink control channel resource;

wherein the second control channel resource is a control channel resource satisfying a predetermined characteristic among control channel resources which have same first information.

9. The method of claim 1 , wherein the first signaling does not carry the spatial relationship information of the first control channel resource.

10. The apparatus of claim 6 , wherein the first signaling does not carry the spatial relationship information of the first control channel resource.

11. The apparatus of claim 6 , wherein the processor determines the spatial relationship information of the plurality of control channel resources by:

determining the spatial relationship information of the plurality of control channel resources corresponding to first information as the spatial relationship information of the second control channel resource.

12. The apparatus of claim 11 , wherein the plurality of control channel resources corresponding to the first information comprise one of:

at least one control channel resource which has same first information; or

at least one control channel resource in a first control channel resource set corresponding to the first information.

13. The apparatus of claim 6 , wherein the control channel resource group satisfies following characteristic:

the control channel resource group is acquired by grouping control channel resources in the first control channel resource set according to second control signaling, wherein the second control signaling is radio resource control (RRC) signaling and is used to notify control channel resources comprised in the control channel resource group.

14. The apparatus of claim 12 , wherein the first control channel resource set comprises:

a control channel resource in P frequency domain bandwidths;

wherein P is a positive integer greater than 1, and each of P frequency domain bandwidths is a component carrier (CC) or a bandwidth part (BWP);

wherein in response to the at least one control channel resource being a downlink control channel resource, the first control channel resource is a first downlink control channel resource and the second control channel resource is a second downlink control channel resource, the first information comprises index information of the second control channel resource in a second control channel resource set.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (25)