Patent ID: 11917565
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 10:
11. A channel access indication device, wherein the device is a first communications device, comprising:
a receiver configured to receive a channel synchronization request sent by a second communications device,
a processor, and
a transmitter,
wherein a wake-up receiver is configured for the second communications device,
wherein the processor is configured to, according to the channel synchronization request and based on a time at which the second communications device is woken up, instruct the transmitter to send, when a channel is idle and to the woken-up second communications device, a first synchronization frame (a) including an identifier of the woken-up second communications device and (b) instructing the woken-up second communications device to access the channel after receiving the first synchronization frame, and
wherein the processor is further configured to instruct the transmitter to broadcast to a plurality of woken-up second communications devices, a second synchronization frame including a broadcast address when the channel is idle.