Performance comparison of multi-user detectors for the downlink of a broadband MC-CDMA system
Fabrice Portier (IETR), R. Legouable (FT R&D), L. Maret (LETI), F., Bauer (NOKIA Research Center), N. Neda (UNIS), J.-F. H\'elard (IETR), E., Hemming (NOKIA Research Center), M. Des Noes (LETI), M. H\'elard (FT R&D),, the projet europ\'een Matrice Collaboration
TL;DR
This paper evaluates and compares various multi-user detection techniques for broadband MC-CDMA downlink systems, analyzing their BER and FER performance under different system conditions.
Contribution
It provides a comprehensive performance comparison of multiple multi-user detection methods in broadband MC-CDMA systems, including new insights into their effectiveness.
Findings
PIC & SIC outperform single-user detection in BER and FER
GMMSE and polynomial MMSE show improved interference cancellation
Performance varies with system load, coding, and modulation schemes
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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Taxonomy
TopicsWireless Communication Networks Research · Advanced Wireless Communication Techniques · Advanced Wireless Network Optimization