Patent ID: 11871346
Assignee: APPLE INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 6:
7. A wireless device, comprising:
an antenna;
a radio operably coupled to the antenna; and
a processor operably coupled to the radio;
wherein the wireless device is configured to:
establish a cellular link with a cellular base station, wherein the cellular base station provides a serving cell that is deployed on an unlicensed frequency channel for the wireless device;
monitor the unlicensed frequency channel for a wake up signal during a wake up signal window associated with a first slot or mini-slot of the serving cell, wherein the wake up signal is provided in a plurality of narrowband transmissions at different frequency locations within the unlicensed frequency channel; and
determine whether to monitor the unlicensed frequency channel for control channel signaling for the first slot or mini-slot of the serving cell based at least in part on whether a wake up signal is detected.