Motion detection method and electronic device applying the same

An electronic device for motion detection including:

• a controller, and
• a radar transceiver coupled to the controller,
• wherein the controller is configured for:
• controlling the radar transceiver for transmitting a plurality of transmission packets;
• receiving a plurality of received packets from the radar transceiver;
• compensating a received packet among the plurality of received packets into a compensated received packet;
• performing cross packet cancellation on the compensated received packet;
• determining a packet difference between the compensated received packet and another received packet among the plurality of received packets;
• and
• determining whether an object is detected based on the packet difference.