Patent ID: 11943173
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
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.