As the Automatic Dependent Surveillance-Broadcast (ADS-B) system has gained wide acceptance, additional exploitations of\r\nthe radioed satellite-based information are topics of current interest. One such opportunity includes the augmentation of the\r\ncommunication ADS-B signal with a random biphase modulation for concurrent use as a radar signal. This paper addresses the\r\nformulation and analysis of a suitable noncooperativemultitarget tracking method for the ADS-B radar system using radar ranging\r\ntechniques and particle filter algorithms. In addition, the low-update-rate measurement due to the ADS-B system specification is\r\ndiscussed in order to provide acceptable estimation results. Simulation results show satisfactory tracking capability up to several\r\nkilometers with acceptable accuracy.
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