Estimation of mutual coupling coefficient by simulated annealing algorithm

In this paper, we propose a method for estimating the mutual coupling coefficient among antennas, which is based on the principle of signal subspace and the simulated annealing algorithm. The computer simulation have been conducted to illustrate the good performance of this method and to demonstrate that it is statistically efficient. The benefit of this new method is that calibration signals and unknown signals can be received simultaneously, during the course of calibration.