US 11,943,173 B2
Channel indication methods and apparatuses
Yajun Zhu, Beijing (CN)
Assigned to BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing (CN)
Appl. No. 17/598,192
Filed by BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing (CN)
PCT Filed Mar. 27, 2019, PCT No. PCT/CN2019/079918
§ 371(c)(1), (2) Date Sep. 24, 2021,
PCT Pub. No. WO2020/191676, PCT Pub. Date Oct. 1, 2020.
Prior Publication US 2022/0190997 A1, Jun. 16, 2022
Int. Cl. H04W 72/1263 (2023.01); H04L 1/00 (2006.01); H04L 5/00 (2006.01)
CPC H04L 5/0092 (2013.01) [H04L 1/0061 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A channel indication method, comprising:
determining, by a base station on an unlicensed spectrum, one or more first subbands that pass a channel detection;
generating, by the base station, a channel indication signal to indicate the one or more first subbands that pass the channel detection; and
transmitting, by the base station, the channel indication signal to a terminal to determine, based on the channel indication signal, the one or more first subbands that pass the channel detection;
wherein the channel indication signal comprises a third downlink signal, and one or more positions at which the third downlink signal is transmitted indicate the one or more first subbands that pass the channel detection.