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Target Tracking Using an Asynchronous Multistatic Sensor System with Unknown Transmitter Positions | IEEE Conference Publication | IEEE Xplore

Target Tracking Using an Asynchronous Multistatic Sensor System with Unknown Transmitter Positions


Abstract:

This paper considers the problem of target tracking using an asynchronous multistatic system with unknown transmitter positions. In such a system, the receiver is conside...Show More

Abstract:

This paper considers the problem of target tracking using an asynchronous multistatic system with unknown transmitter positions. In such a system, the receiver is considered as the own sensor to perform passive tracking. It listens to the signals from at least two non-cooperative transmitters via direct and indirect (bouncing from targets) paths. The transmitters and targets are then tracked based on the measured bearings and the bistatic ranges (derived from the TDOA of the direct and indirect path signals). Since the transmitter positions are unknown, they have to be estimated, and their estimates will contain errors. To cope with these errors, we develop an iterated least squares estimator with covariance inflation (ILS-CI) for track initiation, and apply the covariance inflation filter (CIF) for track update. Four approaches, namely the optimal, simple, covariance inflation (CI) and combined approaches, with different strategies in track initiation and track update, are proposed to solve this tracking problem. Their performances are evaluated through simulation tests.
Date of Conference: 10-13 July 2018
Date Added to IEEE Xplore: 06 September 2018
ISBN Information:
Conference Location: Cambridge, UK

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