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We propose a method for blind multiuser detection (MUD) in synchronous systems over flat and fast Rayleigh fading channels. We adopt an autoregressive-moving-average (ARMA) process to model the temporal correlation of the channels. Based on the ARMA process, we propose a novel time-observation state-space model (TOSSM) that describes the dynamics of the addressed multiuser system. The TOSSM allows an MUD with natural blending of low-complexity particle filtering (PF) and mixture Kalman filtering (for channel estimation). We further propose to use a more efficient PF algorithm known as the stochastic -algorithm (SMA), which, although having lower complexity than the generic PF implementation, maintains comparable performance.
Electrical and Computer Engineering
EURASIP Journal on Wireless Communications and Networking
Digital Object Identifier (DOI)
EURASIP Journal on Wireless Communications and Networking 2005, 2005:960165. The electronic version of this article is the complete one and can be found online at: http://jwcn.eurasipjournals.com/content/2005/2/960165
© 2005 Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.