Abstract: Disclosed is an electronic device comprising: a sensor module, a communication circuit, and at least one processor. The at least one processor may be configured to: identify a mounting state of the electronic device based on sensor data received from the sensor module, select at least one antenna combination including at least one transmission antenna and at least one reception antenna from among the one or more antennas according to the mounting state, obtain a radar signal related to a measurement target from the communication circuit through the at least one antenna combination, obtain a biometric signal from the obtained radar signal, evaluate a signal quality of the biometric signal, and adjust control parameters for an antenna combination selected from among the at least one antenna combination according to the sensor data, the radar signal, and the signal quality of the biometric signal.