Joint Angle and Range Estimation with FDA-MIMO Radar in Unknown Mutual Coupling

Multiple-input-multiple-output (MIMO) radar with frequency diverse array (FDA) has been proposed and explored in recent years. The range-angle-dependent beampattern provides the potential to obtain angle and range of targets. The traditional algorithms deteriorate while considering FDA-MIMO radar with mutual coupling. In this paper, the signal model for FDA-MIMO with unknown mutual coupling is deduced. The modified unitary ESPRIT algorithm to remove the effect of mutual coupling matrix and gain the angle and range estimation. The effectiveness of the proposed algorithm is verified by simulation results.