Cross-coupled doa trackers
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A new robust, low complexity algorithm for multiuser tracking is proposed, modifying the two-stage parallel architecture of the estimate-maximize (EM) algorithm. The algorithm copes with spatially colored noise, large differences in source powers, multipath, and crossing trajectories. Following a discussion on stability, the simulations demonstrate an asymptotic and tracking behavior that neither the EM nor a nonparallelized tracker can emulate.
CitationPerez, A., Lagunas, M., Kirlin, R. Cross-coupled doa trackers. "IEEE transactions on signal processing", Octubre 1997, vol. 45, núm. 10, p. 2560-2565.