Performance comparison of multi-user detectors for the downlink of a broadband MC-CDMA system
Fabrice Portier, R. Legouable, L. Maret, F. Bauer, N. Neda, J. -F. Hélard, E. Hemming, M. Des Noes, M. Hélard, the projet européen Matrice Collaboration
Abstract
In this paper multi-user detection techniques, such as Parallel and Serial Interference Cancellations (PIC & SIC), General Minimum Mean Square Error (GMMSE) and polynomial MMSE, for the downlink of a broadband Multi-Carrier Code Division Multiple Access (MCCDMA) system are investigated. The Bit Error Rate (BER) and Frame Error Rate (FER) results are evaluated, and compared with single-user detection (MMSEC, EGC) approaches, as well. The performance evaluation takes into account the system load, channel coding and modulation schemes.
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