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Paper data
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Title:
Multiuser Detection with Particle Filtering Author(s): Zhang Jianqiu, Stony Brook University, Stony Brook, NY Huang Yufei, Stony Boork University, Stony Brook, NY Djuric Petar, Stony Brook University, Stony Brook, NY Page numbers in the proceedings: Volume II pp 307-310 Session: Applications of Particle Filtering in Communications (2/2)
Paper abstract
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In this paper, we apply particle filtering to multiuser detection (MUD)in synchronous CDMA systems with perfect channel state information (CSI). To apply particle filtering to MUD, first we find a factored representation of the posterior distribution. We show that the whitened matched filter (WMF) output allows such representation. No system approximations are made and the method is ``soft'' in nature. As a result, a near optimum performance is observed in simulations both in the equal power case and the near-far case. Since the computational complexity of the method is not exponential with the number of users, the method may have potential for industrial application.
Paper
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