A Novel Method of Receiver Position Calibration in Minimum TDOA Localization System

It is widely acknowledged that random receiver position error can significantly impair the performance of Time Difference of Arrival (TDOA) localization systems. This paper presents a method incorporating a calibration source whose position is precisely known into the localization system, thereby mitigating the impact of positioning errors caused by random receiver position inaccuracies. The proposed algorithm comprises two stages: first, it calibrates receivers' position error, and then it estimates the target position using the TDOA measurements. Numerical simulations demonstrate the effectiveness and robust performance of this algorithm.