Patent ID: 11863240
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. An electronic device comprising:
a first antenna and a second antenna;
a communication circuit comprising a transceiver configured to generate at least one signal, at least one amplifier configured to amplify the generated signal, at least one duplexer configured to distinguish the amplified signals according to communication bands thereof, and at least one coupler configured to radiate the distinguished signals through at least one of the first antenna or the second antenna; and
a processor electrically connected to the first and second antennas and the communication circuit, wherein the processor is configured to:
output a first signal through the first antenna using the coupler,
acquire a second signal reflected through the first antenna and a third signal obtained by reception of the first signal, output through the first antenna, through the second antenna, based on the output first signal,
identify a reflection coefficient obtained by reflection of the first signal from the first antenna and a transfer coefficient obtained by transmission of the first signal to the second antenna, based at least partially on the second signal and the third signal, and
identify at least one of a type of an external object and a distance from the external object, based at least partially on the reflection coefficient and the transfer coefficient,

wherein the communication circuit further comprises a switch disposed between a first coupler receiving the reflected second signal and a second coupler receiving the third signal and configured to switch at least one of the received second signal or the third signal to be transmitted to the transceiver.