Performance of multiuser detection with pilot-symbol-assisted channel estimation

TitlePerformance of multiuser detection with pilot-symbol-assisted channel estimation
Publication TypeConference Paper
Year of Publication2003
AuthorsMa, Y., R. Schober, T. J. Lim, and S. Pasupathy
Conference NameVehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th
Pagination1162 - 1166 Vol.2
Date Publishedoct.
Keywordsasynchronous CDMA channels, BEP, bit error probability, channel estimation, code division multiple access, decision variable-based moment generating function, diversity combining, diversity reception, doubly-selective Rician-fading channels, error statistics, Gaussian distribution, general linear coherent multiuser receiver, MGA, MGF, multiuser detection, multivariate Gaussian approximation, pilot-symbol-assisted channel estimation, PSA-CE, Rician channels

In this paper, we study the performance of a general linear coherent multiuser receiver with pilot-symbol-assisted channel estimation (PSA-CE) for doubly-selective Rician-fading CDMA channels. Employing the multivariate Gaussian approximation (MGA) and a decision variable-based moment generating function (MGF) approach, both exact and low-complexity approximate bit error probability (BEP) formulas are presented. Some new findings are illustrated by numerical results.


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