4 September 2009 Multipath-assisted multitarget tracking using multiframe assignment
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Abstract
In this paper an algorithm for multipath-assisted multitarget tracking using multiframe assignment is proposed for initiating and tracking multiple targets using one or more transmitters and receivers. This algorithm is capable of exploiting multipath target returns from distinct propagation modes that are resolvable by the receiver. When resolved multipath returns are not utilized within the tracker, i.e., discarded as clutter, potential information conveyed by the multipath detections of the same target is wasted. In this case, spurious tracks are formed using target-originated multipath measurements, but with an incorrect propagation mode assumption. Integrating multipath information into the tracker (and not discarding it) can help improve the accuracy of tracking and reduce the number of false tracks. The challenge in improving tracking results using multipath measurements is the fusion of direct and multipath measurements from the common target. The problem will be considered in an environment with false alarms and missed detections. We propose a multiframe assignment technique to incorporate multipath information. The simulation results are presented to show the effectiveness of the proposed algorithm with an example of tracking ground targets.
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M. Subramaniam, R. Tharmarasa, M. Pelletier, and T. Kirubarajan "Multipath-assisted multitarget tracking using multiframe assignment", Proc. SPIE 7445, Signal and Data Processing of Small Targets 2009, 74450Z (4 September 2009); doi: 10.1117/12.830470; https://doi.org/10.1117/12.830470
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