Patent ID: 11916772
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A processor-implemented communication method of a control device, the method comprising:
sequentially transmitting scan packets, each comprising information of a current transmission frequency at which the scan packet is transmitted, to a target device while changing a transmission frequency of the control device within a scan frequency range, indicative of a set reception frequency of the control device; and
receiving, from the target device, a return packet comprising information of a reception frequency of the target device identified by the target device from the information of any one of the current transmission frequencies included in the scan packets,
wherein, in case a communication occurs between the control device and the target device without using a frequency reference of the control device, a difference occurs in the information of the reception frequency in the return packet from the set reception frequency of the control device indicated by the respective scan packet information of at least one scan packet received by the target, and
wherein, in a state where an actual reception frequency of the target device is unknown due to the difference, the information of the any one of the current transmission frequencies included in the scan packets is used to identify the actual reception frequency of the target device.