Patent ID: 11864143
Assignee: REALTEK SEMICONDUCTOR CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A wireless device, having a target clock and receiving broadcast packets sent by a transmitter, the wireless device comprising:
a wireless transceiver circuit sequentially receiving two broadcast packets; and
a processor electrically coupled to the wireless transceiver circuit and configured to obtain time information corresponding to each broadcast packet, the processor obtaining a time interval between the two broadcast packets according to the time information and adjusting the target clock according to the time interval and a target value,
wherein the wireless transceiver circuit wakes according to the target clock, and the processor obtains a frequency error according to the time interval and the target value, and adjusts the target clock according to a product of the frequency error and a preset frequency of the wireless device.