Computer Science – Information Theory
Scientific paper
2006-06-04
Computer Science
Information Theory
To appear in the IEEE Transactions on Signal Processing
Scientific paper
10.1109/TSP.2007.893229
This paper examines the performance of decision feedback based iterative channel estimation and multiuser detection in channel coded aperiodic DS-CDMA systems operating over multipath fading channels. First, explicit expressions describing the performance of channel estimation and parallel interference cancellation based multiuser detection are developed. These results are then combined to characterize the evolution of the performance of a system that iterates among channel estimation, multiuser detection and channel decoding. Sufficient conditions for convergence of this system to a unique fixed point are developed.
Betz Sharon M.
Li Husheng
Poor Harold Vincent
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