Efficient localization method for moving target in distributed MIMO radar systems

This paper investigates the moving target localization problem in distributed multiple-input multiple-output (MIMO) radar systems using bistatic range (BR) and bistatic range rate (BRR) measurements, which can be obtained via some local sensor signal processing methods. In the first stage, the cost function of the localization problem is re-formulated by augmenting the unknown vector, and then initial estimates of the target position and velocity are given. In the second stage, the estimation error terms of the first stage are estimated by the weighted least square (WLS) technique. To the end, the target position and velocity are refined by subtracting the estimation errors from the outputs of the first stage. Numerical simulation results corroborate the theoretical developments.