Radar device with self-interference based compensation

A radar device, comprising:

• a transmitter, configured to transmit an RF signal;
• a first receiver, configured to receive a first reflection of the RF signal;
• a second receiver, configured to receive a second reflection of the RF signal;
• and
• a control device, configured to:
• a) determine a first target phase with respect to the first reflection of the RF signal, and a first self-interference phase;
• and
• compensate for a first receiver variation in the first target phase based on the first self-interference phase to obtain a compensated first target phase;
• and
• b) determine a second target phase with respect to the second reflection of the RF signal and a second self-interference phase;
• and
• compensate for a second receiver variation in the second target phase based on the second self-interference phase to obtain a compensated second target phase;
• wherein the first receiver variation is different from the second receiver variation.

A method for compensating a receiver variation in a radar system, the method comprising:

• transmitting an RF signal;
• receiving a first reflection of the RF signal;
• receiving a second reflection of the RF signal;
• determining a first target phase with respect to the first reflection of the RF signal and a first self-interference phase;
• compensating for a first variation in the first target phase based on the first self-interference phase to obtain a compensated first target phase;
• determining a second target phase with respect to the second reflection of the RF signal and a second self-interference phase;
• compensating for a second variation in the second target phase based on the second self-interference phase to obtain a compensated second target phase;
• wherein the first variation is different from the second receiver variation.