SS monitoring method and device

Patent metadata

Field	Value
Publication number	US-12483350-B2
Application number	US-202217891503-A
Country	US
Kind code	B2
Filing date	Aug 19, 2022
Priority date	Feb 21, 2020
Publication date	Nov 25, 2025
Grant date	Nov 25, 2025

Abstract

An SS monitoring method and a device. The method includes: obtaining target information, where the target information includes at least one of the following: configuration information of a first target SS and blind detection resource allocation information of the first target SS, the configuration information is used to indicate the number of blind detections in the first target SS, the blind detection resource allocation information is used to allocate the number of blind detections to an SS in the first target SS, and the number of blind detections includes at least one of the following: the number of downlink control channel candidates and the number of channel estimations; and monitoring a second target SS in the first target SS based on the target information.

First claim

What is claimed is:

1 . A search space (SS) monitoring method, applied to user equipment (UE), wherein the method comprises:
obtaining target information, wherein the target information comprises at least one of the following: configuration information of a first target SS and blind detection resource allocation information of the first target SS, the configuration information is used to indicate the number of blind detections in the first target SS, the blind detection resource allocation information is used to allocate the number of blind detections to an SS in the first target SS, and the number of blind detections comprises at least one of the following: the number of downlink control channel candidates and the number of channel estimations; and monitoring a second target SS in the first target SS based on the target information; wherein a maximum number of blind detections of the UE comprises at least one of the following: a maximum number X of blind detections corresponding to self-scheduling of a primary cell of the UE, a maximum number Y of blind detections corresponding to scheduling the primary cell from a secondary cell of the UE, a maximum number P of blind detections supported by the UE in the primary cell, or a maximum number S of blind detections supported by the UE in the secondary cell, wherein X, Y, P, and S are all natural numbers; wherein the number of blind detections in a third target SS is less than or equal to P, wherein the third target SS comprises an SS for self-scheduling of the primary cell and an SS for scheduling the primary cell from the secondary cell.

2 . The method according to claim 1 , wherein the first target SS comprises at least one of the following: the SS for self-scheduling of the primary cell, the SS for scheduling the primary cell from the secondary cell, another SS, an SS for joint scheduling, and an SS for single scheduling, wherein
the another SS comprises at least one of the following: an SS for self-scheduling of the secondary cell and an SS for scheduling another secondary cell from the secondary cell.

3 . The method according to claim 1 , wherein the configuration information comprises at least one of the following: the number of blind detections in the SS for self-scheduling of the primary cell, the number of blind detections in the SS for scheduling the primary cell from the secondary cell, the number of blind detections in an SS of the primary cell, the number of blind detections in an SS of the secondary cell, the number of blind detections in an SS for self-scheduling of the secondary cell, the number of blind detections in an SS for scheduling another secondary cell from the secondary cell, the number of blind detections in an SS for scheduling a cell other than the primary cell from the secondary cell, the joint number of blind detections in an SS of the primary cell and an SS of the secondary cell, the number of blind detections in an SS of a scheduling cell, the number of blind detections in an SS for joint scheduling, the number of blind detections in an SS for single scheduling, and the number of blind detections corresponding to a scheduled cell in an SS for joint scheduling.

4 . The method according to claim 1 , wherein the number of blind detections in the first target SS, indicated by the configuration information, satisfies at least one of the following:
the number of blind detections in at least one SS in the first target SS is less than or equal to the maximum number of blind detections of the UE; and the joint number of blind detections in at least two SSs in the first target SS is less than or equal to the maximum joint number of blind detections of the UE.

5 . The method according to claim 1 , wherein the number of blind detections in at least one SS in the second target SS is less than or equal to the maximum number of blind detections of the UE;
and/or the joint number of blind detections in at least two SSs in the second target SS is less than or equal to the maximum joint number of blind detections of the UE.

6 . The method according to claim 1 , wherein the maximum number of blind detections of the UE further comprises at least one of the following: a maximum number F of blind detections corresponding to self-scheduling of the secondary cell of the UE, a maximum number O of blind detections corresponding to scheduling the another secondary cell from the secondary cell of the UE, a maximum number N of blind detections corresponding to scheduling the cell other than the primary cell from the secondary cell of the UE, and a maximum joint number T of blind detections supported by the UE in the primary cell and the secondary cell, wherein O, and N are all natural numbers.

7 . The method according to claim 1 , wherein that the number of blind detections in at least one SS in the first target SS is less than or equal to the maximum number of blind detections of the UE or that the number of blind detections in at least one SS in the second target SS is less than or equal to the maximum number of blind detections of the UE comprises at least one of the following: the number of blind detections in the SS for self-scheduling of the primary cell is less than or equal to X, the number of blind detections in the SS for scheduling the primary cell from the secondary cell is less than or equal to Y, and the number of blind detections in the another SS is less than or equal to S; or,
wherein that the number of blind detections in at least one SS in the first target SS is less than or equal to the maximum number of blind detections of the UE or that the number of blind detections in at least one SS in the second target SS is less than or equal to the maximum number of blind detections of the UE comprises at least one of the following: the number of blind detections in the SS for self-scheduling of the primary cell is less than or equal to X, the number of blind detections in the SS for scheduling the primary cell from the secondary cell is less than or equal to Y, and the number of blind detections in the SS for self-scheduling of the primary cell is less than or equal to P; or,
wherein that the joint number of blind detections in at least two SSs in the first target SS is less than or equal to the maximum joint number of blind detections of the UE or that the joint number of blind detections in at least two SSs in the second target SS is less than or equal to the maximum joint number of blind detections of the UE comprises at least one of the following: the number of blind detections in the third target SS is less than or equal to a first value, and the number of blind detections in a fourth target SS is less than or equal to S, wherein
the first value is a sum of X and Y, and the fourth target SS comprises the SS for scheduling the primary cell from the secondary cell and the another SS.

8 . The method according to claim 1 , wherein a sum of the weighted number of blind detections in the SS for self-scheduling of the primary cell and the weighted number of blind detections in the SS for scheduling the primary cell from the secondary cell is less than or equal to P;
and/or a sum of the weighted number of blind detections in the SS for scheduling the primary cell from the secondary cell and the weighted number of blind detections in an SS in another SS is less than or equal to S.

9 . The method according to claim 1 , wherein Y=P−X, or X=P−Y.

10 . A search space (SS) monitoring method, applied to a network device, wherein the method comprises:
sending target information to user equipment (UE), wherein the target information comprises at least one of the following: first configuration information of a first target SS and blind detection

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Liu Siqi
• Ji Zichao
• Li Gen
• Pan Xueming

Classifications

• H04W72/1263

  Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows · CPC title

• H04W24/08

  Testing, {supervising or monitoring} using real traffic · CPC title

• H04W72/23 Primary

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

• H04L5/0035

  Resource allocation in a cooperative multipoint environment · CPC title

• H04L5/0053

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