ICASSP 2006 - May 15-19, 2006 - Toulouse, France

Technical Program

Paper Detail

Paper:SPTM-P12.11
Session:Adaptive Systems and Filtering I
Time:Friday, May 19, 14:00 - 16:00
Presentation: Poster
Topic: Signal Processing Theory and Methods: Adaptive Systems and Filtering
Title: Performance Assessment of a Computationally Efficient MMSE Receiver for Asynchronous MC-CDMA Systems over Multipath Fading Channels
Authors: Shijun Yi, C. C. Tsimenidis, Bayan Sharif, Stephane Le Goff, University of Newcastle upon Tyne, United Kingdom
Abstract: In this paper, the performance of a computationally efficient adaptive MMSE receiver is investigated for asynchronous MC-CDMA systems over multipath fading channels. According to Wiener filter and LMS algorithm theories, we prove that the proposed computationally efficient MMSE receiver has the same BER and convergence performance as that of the conventional MMSE receiver, assuming the sampling rate per symbol is equal to the number of subcarriers. When the sampling rate per symbol is increased, the proposed receiver can outperform the conventional MMSE receiver without sacrificing the convergence speed. The theoretical analysis is verified by the results through Monte-Carlo simulation.



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