Beam Failure Detection Method, Apparatus, And System

Patent metadata

Field	Value
Publication number	US-2020374853-A1
Application number	US-202016992879-A
Country	US
Kind code	A1
Filing date	Aug 13, 2020
Priority date	Feb 13, 2018
Publication date	Nov 26, 2020
Grant date	—

Abstract

Embodiments of this application disclose beam failure detection methods and apparatuses. In an implementation, a method comprising: obtaining time-related information Tf for beam detection and an adjustment amount k, wherein Tf comprises a period T of at least one beam detection signal; and performing beam failure detection in a beam detection interval, wherein a length of the beam detection interval is determined based on Tf and k.

First claim

1 . A beam failure detection method, wherein the method, comprising:
obtaining time-related information Tf for beam detection and an adjustment amount k, wherein Tf comprises a period T of at least one beam detection signal; and performing beam failure detection in a beam detection interval, wherein a length of the beam detection interval is determined based on Tf and k.

2 . The method according to claim 1 , wherein the period of the at least one beam detection signal comprises a period T short of a beam detection signal that has a shortest period the at least one beam detection signal; and
the length of the beam detection interval is determined based on T short and k.

3 . The method according to claim 2 , wherein the length of the beam detection interval is calculated as k times T short .

4 . The method according to claim 1 , wherein the period T of the at least one beam detection signal comprises a period T long of a beam detection signal that has a longest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T long and k.

5 . The method according to claim 1 , wherein Tf further comprises at least one of a value Ts determined based on different subcarrier spacings (SCSs) or a detection period Tc of at least one control resource set (CORESET).

6 . A beam failure detection method, comprising:
generating time-related information Tf for beam detection and an adjustment amount k, wherein Tf comprises a period T of at least one beam detection signal; and sending Tf and k to a terminal device, to configure a beam detection interval, wherein a length of the beam detection interval is determined based on Tf and k.

7 . The method according to claim 6 , wherein the period T of the at least one beam detection signal comprises: a period T short of a beam detection signal that has a shortest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T short and k.

8 . The method according to claim 7 , wherein the length of the beam detection interval is calculated as k times T short .

9 . The method according to claim 6 , wherein the period T of the at least one beam detection signal comprises a period T long of a beam detection signal that has a longest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T long and k.

10 . The method according to claim 6 , wherein
Tf further comprises at least one of a value Ts determined based on different subcarrier spacings (SCSs) or a detection period Tc of at least one control resource set (CORESET).

11 . A beam failure detection apparatus comprising at least one processor, the at least one processor is configured to execute programming instructions retrieved from a non-transitory computer readable medium to perform operations comprising:
obtaining time-related information Tf for beam detection and an adjustment amount k, wherein Tf comprises a period T of at least one beam detection signal; and performing beam failure detection in a beam detection interval, wherein a length of the beam detection interval is determined based on Tf and k.

12 . The apparatus according to claim 11 , wherein the period T of the at least one beam detection signal comprises: a period T short of a beam detection signal that has a shortest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T short and k.

13 . The apparatus according to claim 12 , wherein the length of the beam detection interval is calculated as k times T short .

14 . The apparatus according to claim 11 , wherein the period T of the at least one beam detection signal comprises: a period T long of a beam detection signal that has a longest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T long and k.

15 . The apparatus according to claim 11 , wherein Tf further comprises at least one of a value Ts determined based on different subcarrier spacings SCS or a detection period Tc of at least one control resource set CORESET.

16 . A beam failure detection apparatus comprising at least one processor, the at least one processor is configured to execute programming instructions retrieved from a non-transitory computer readable medium to perform operations comprising:
generating a time-related information Tf for beam detection and an adjustment amount k, wherein Tf comprises a period T of at least one beam detection signal; and causing a transceiver to send Tf and k to a terminal device, to configure a beam detection interval, wherein a length of the beam detection interval is determined based on Tf and k.

17 . The apparatus according to claim 16 , wherein the period T of the at least one beam detection signal comprises: a period T short of a beam detection signal that has a shortest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T short and k.

18 . The apparatus according to claim 17 , wherein the length of the beam detection interval is calculated as k times T short .

19 . The apparatus according to claim 16 , wherein the period T of the at least one beam detection signal comprises: a period T long of a beam detection signal that has a longest period of the at least one beam detection signal; and
the length of the beam detection interval is determined based on T long and k.

20 . The apparatus according to claim 16 , wherein
Tf further comprises at least one of a value Ts determined based on different subcarrier spacings (SCSs) or a detection period Tc of at least one control resource set (CORESET).

Assignees

• Huawei Tech Co Ltd

Inventors

• Guan Peng
• Chen Lei

Classifications

• H04W72/23

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

• H04W72/541

  using the level of interference · CPC title

• H04B7/06964 Primary

  Re-selection of one or more beams after beam failure · CPC title

• H04W72/044 Primary

  based on the type of the allocated resource · CPC title

• H04B7/0408 Primary

  using two or more beams, i.e. beam diversity · CPC title