An electronic device comprising: a radar transceiver configured to transmit and receive signals; a sensor configured to detect motion of the electronic device; a processor operably connected to the radar transceiver and the sensor, the processor configured to: determine, based on information obtained from the sensor, a first motion state of the electronic device, during the first motion state of the electronic device, control the radar transceiver to transmit a first set of signals, generate a first channel impulse response, CIR, based on the first set of signals being received, apply a filter that estimates a leakage included in the first CIR, during a second motion state of the electronic device, control the radar transceiver to transmit a second set of signals, generate a second CIR based on the second set of signals, and apply the estimated leakage from the first CIR to the second CIR to remove the leakage from the second CIR, wherein the first motion state refers to a state in which the electronic device is in motion and the second motion state refers to a state in which the electronic device is static, or wherein the first motion state refers to a state in which the electronic device is in motion at a speed above a threshold value and the second motion state refers to a state in which the electronic device is in motion at a speed less than the threshold value. a radar transceiver configured to transmit and receive signals; a sensor configured to detect motion of the electronic device; a processor operably connected to the radar transceiver and the sensor, the processor configured to: determine, based on information obtained from the sensor, a first motion state of the electronic device, during the first motion state of the electronic device, control the radar transceiver to transmit a first set of signals, generate a first channel impulse response, CIR, based on the first set of signals being received, apply a filter that estimates a leakage included in the first CIR, during a second motion state of the electronic device, control the radar transceiver to transmit a second set of signals, generate a second CIR based on the second set of signals, and apply the estimated leakage from the first CIR to the second CIR to remove the leakage from the second CIR, wherein the first motion state refers to a state in which the electronic device is in motion and the second motion state refers to a state in which the electronic device is static, or wherein the first motion state refers to a state in which the electronic device is in motion at a speed above a threshold value and the second motion state refers to a state in which the electronic device is in motion at a speed less than the threshold value. determine, based on information obtained from the sensor, a first motion state of the electronic device, during the first motion state of the electronic device, control the radar transceiver to transmit a first set of signals, generate a first channel impulse response, CIR, based on the first set of signals being received, apply a filter that estimates a leakage included in the first CIR, during a second motion state of the electronic device, control the radar transceiver to transmit a second set of signals, generate a second CIR based on the second set of signals, and apply the estimated leakage from the first CIR to the second CIR to remove the leakage from the second CIR, wherein the first motion state refers to a state in which the electronic device is in motion and the second motion state refers to a state in which the electronic device is static, or wherein the first motion state refers to a state in which the electronic device is in motion at a speed above a threshold value and the second motion state refers to a state in which the electronic device is in motion at a speed less than the threshold value.