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Illuminator selection statistics using ATSC passive radar with a mobile receiver

This paper reports on a simulation-based study estimating illuminator usage statistics in passive radar systems with mobile receivers. A metric termed illuminator survivability is proposed to describe the size of a geographic region, with respect to the receiver location, in which a transmitter facilitates near-optimal localization capability. We attempt to relate along-track survivability to the maximum operating region of a circling receiver using a static illuminator set. In each case, the radar's coverage is optimized using a greedy algorithm based on the multistatic range CRLB. Results suggest individual illuminator sets might provide useful localization capability over receiver flight paths of 100 km or more.