Wireless network device and radar transmission method using the same

Abstract

A wireless network device includes a signal processing circuit, a transmission circuit, and a receiving circuit. The signal processing circuit includes a signal generator to generate an output signal. In radar transmission operation, the output signal includes multiple calibration chimes. The transmission circuit transmits the output signal. The receiving circuit receives a signal corresponding to the output signal through an internal loop to generate an input signal. The signal processing circuit further includes a calibration circuit that compares the input signal with a reference frame signal and expected parameters to adjust the signal generator and the calibration circuit. The signal generator generates multiple measurement chimes. The transmission circuit converts the output signal including the measurement chimes into a wireless transmission signal. The receiving circuit converts the corresponding wireless reflection signal into an input signal, causing the signal processing circuit to generate multiple radar reflection information based on the input signal.

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