Granted Patent B2

US 12,309,697 · App. 17/422,359 · Granted May 20, 2025

Inventors: Weiwei Yang (Shenzhen, CN); Bo Dai (Shenzhen, CN); Kun Liu (Shenzhen, CN); Youjun Hu (Shenzhen, CN); Luanjian Bian (Shenzhen, CN); Huiying Fang (Shenzhen, CN)

Assignee: ZTE CORPORATION

H04W52/0219H04W52/0216H04W52/0229H04W68/005

Abstract

Claims (71)

1. A method for sending a group wake-up signal (WUS), comprising:

configuring, by a base station, indication information corresponding to a group WUS via higher-layer signaling;

determining, by the base station, a first parameter according to the indication information; and

sending, by the base station, the group WUS to a terminal according to the first parameter, wherein the group WUS is a WUS corresponding to a group of terminals;

wherein the indication information comprises: a number of groups, a location parameter, and multiplexing information;

the first parameter comprises: a resource location corresponding to the group WUS, an all-wake-up signal corresponding to each group WUS, and a sequence corresponding to the group WUS,

wherein the number of groups comprises: a number of terminal groups corresponding to a same time-frequency resource location;

wherein the location parameter comprises: a first offset and a second offset;

the multiplexing information comprises at least: a first multiplexing mode; and a fourth multiplexing mode; wherein the first multiplexing mode is a multiplexing mode in which the resource location corresponding to the group WUS is a first location, and the all-wake-up signal is a legacy WUS; the fourth multiplexing mode is a multiplexing mode in which the resource location corresponding to the group WUS is the first location, and the all-wake-up signal is a common WUS;

wherein the resource location corresponding to the group WUS is a second location, and the all-wake-up signal is a common WUS.

2. The method according to claim 1 , wherein determining, by the base station, the first parameter according to the indication information comprises:

determining the first parameter at least according to the number of groups and a preset threshold;

or,

determining the first parameter at least according to the second location determined by the location parameter and a location of a legacy WUS;

or,

determining the first parameter at least according to a multiplexing mode indicated by the multiplexing information.

3. The method according to claim 1 , the indication information further comprises at least one of: a group index set, a threshold, signal set information, and a sequence set index.

4. The method according to claim 3 , wherein determining, by the base station, the first parameter according to the indication information comprises:

determining the first parameter at least according to the second location determined by the location parameter and a location of a legacy WUS;

or,

determining the first parameter at least according to a group index in the group index set and a threshold, or determining the first parameter at least according to the number of groups and the threshold;

or,

determining the first parameter at least according to a signal comprised in the signal set information;

or,

determining the first parameter at least according to a sequence set indicated by the sequence set index.

5. A method for detecting a physical downlink control channel, comprising:

determining, by a terminal, a first parameter of a group Wake-Up Signal (WUS) according to indication information obtained via higher-layer signaling;

receiving and detecting, by the terminal, the group WUS according to the first parameter, wherein the group WUS is a WUS corresponding to a group of terminals; and

determining, by the terminal, whether to detect a physical downlink control channel according to a detection result;

wherein the indication information comprises: a number of groups, a location parameter, and multiplexing information;

wherein the number of groups comprises: a number of terminal groups corresponding to a same time-frequency resource location;

the first parameter comprises: a resource location corresponding to the group WUS, a corresponding all-wake-up signal, and a sequence corresponding to the group WUS,

wherein the location parameter comprises: a first offset and a second offset;

the multiplexing information comprises at least: a first multiplexing mode; and a fourth multiplexing mode; wherein the first multiplexing mode is a multiplexing mode in which the resource location corresponding to the group WUS is a first location, and the all-wake-up signal is a legacy WUS; the fourth multiplexing mode is a multiplexing mode in which the resource location corresponding to the group WUS is the first location, and the all-wake-up signal is a common WUS;

wherein the resource location corresponding to the group WUS is a second location, and the all-wake-up signal is a common WUS.

6. The method according to claim 5 , wherein determining, by the terminal, the first parameter of the group WUS according to the indication information obtained via the higher-layer signaling comprises:

determining the first parameter at least according to the number of groups and a preset threshold.

7. The method according to claim 5 , further comprising:

the second location is determined according to the first location and the location parameter, wherein the location parameter comprises at least one of: the first offset, the second offset, and a start physical resource block index of a second frequency domain location;

the first offset comprises one of the following: a time domain distance between an end location of the second location and a start location of the first location, a time domain distance between an end location of the second location and an end location of the first location, and a time domain distance between an end location of the second location and a start location of a search space of the physical downlink control channel;

the second offset comprises a number of physical resource blocks between the second frequency domain location and a first frequency domain location.

8. The method according to claim 5 , wherein determining, by the terminal, the first parameter of the group WUS according to the indication information obtained via the higher-layer signaling comprises:

determining the first parameter at least according to a multiplexing mode corresponding to the multiplexing information.

9. The method according to claim 5 , wherein determining, by the terminal, the first parameter of the group WUS according to the indication information obtained via the higher-layer signaling comprises:

determining the first parameter at least according to a group index corresponding to the terminal and a group index set indicated by a base station.

10. The method according to claim 5 , the indication information further comprises at least one of: a group index set, a threshold, signal set information, and a sequence set index.

11. The method according to claim 5 , The method according to claim 5 , wherein determining, by the terminal, the first parameter of the group WUS according to the indication information obtained via the higher-layer signaling comprises:

determining the first parameter at least according to the second location determined by the location parameter and a resource location of a legacy WUS;

or,

determining the first parameter at least according to a group index corresponding to the terminal and a threshold, or determining the first parameter at least according to the threshold and the number of groups.

12. The method according to claim 5 , wherein determining, by the terminal, the first parameter of the group WUS according to the indication information obtained via the higher-layer signaling comprises:

determining the first parameter at least according to a signal comprised in a signal set information.

13. The method according to claim 12 , wherein

the signal set information comprises information of WUS of each group WUS, and the information of WUS of each group WUS comprises at least one of: a common WUS and a legacy WUS;

or, the signal set information comprises information of WUS of all groups WUS, wherein the information of WUS of all groups WUS comprises at least one of: a common WUS and a legacy WUS.

14. The method according to claim 5 , wherein determining, by the terminal, the first parameter of the group WUS according to the indication information obtained via the higher-layer signaling comprises:

determining the first parameter at least according to a sequence set indicated by a sequence set index, wherein the sequence set index is an index corresponding to a subset in a preset sequence set.

15. The method according to claim 14 , wherein the preset sequence set is a predefined sequence set, or the preset sequence set is determined based on at least one of: a resource location, a multiplexing relationship, the number of groups, and the number of sequences.

16. A device for sending a group Wake-Up Signal (WUS), comprising a memory storing instructions and a processor in communication with the memory, wherein the processor is configured to execute the instructions to:

configure indication information corresponding to a group WUS via higher-layer signaling;

determine a first parameter according to the indication information; and

send the group WUS to a terminal according to the first parameter, wherein the group WUS is a WUS corresponding to a group of terminals;

wherein the indication information comprises: a number of groups, a location parameter, and multiplexing information;

wherein the number of groups comprises: a number of terminal groups corresponding to a same time-frequency resource location;

the first parameter comprises: a resource location corresponding to the group WUS, an all-wake-up signal corresponding to each group WUS, and a sequence corresponding to the group WUS,

wherein the location parameter comprises: the first offset and the second offset;

the multiplexing information comprises at least: a first multiplexing mode; and a fourth multiplexing mode; wherein the first multiplexing mode is a multiplexing mode in which the resource location corresponding to the group WUS is a first location, and the all-wake-up signal is a legacy WUS; the fourth multiplexing mode is a multiplexing mode in which the resource location corresponding to the group WUS is the first location, and the all-wake-up signal is a common WUS;

wherein the resource location corresponding to the group WUS is a second location, and the all-wake-up signal is a common WUS.

17. A device for detecting a physical downlink control channel, comprising a memory storing instructions and a processor in communication with the memory, wherein the processor is configured to execute the instructions to perform the method according to claim 5 .

18. A non-transitory computer-readable storage medium, wherein the storage medium stores a computer program, the computer program is configured to execute the method according to claim 1 at runtime.

19. A non-transitory computer-readable storage medium, wherein the storage medium stores a computer program, the computer program is configured to execute the method according to claim 5 at runtime.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (36)