Adaptive MBER decision feedback multiuser receivers in frequency selective fading channels

Adaptive MBER decision feedback multiuser receivers in frequency selective fading channels

In this letter we investigate adaptive minimum bit error rate (BER) decision feedback multiuser receivers for DS-CDMA systems in fast frequency selective Rayleigh fading channels. We examine stochastic gradient adaptive algorithms and introduce fast algorithms for minimizing the BER cost function fr...

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Veröffentlicht in:IEEE communications letters 2003-02, Vol.7 (2), p.73-75
Hauptverfasser: de Lamare, R.C., Sampaio-Neto, R.
Format: Artikel
Sprache:eng
Schlagworte:
Adaptive algorithms
Adaptive systems
Algorithms
Applied sciences
Bit error rate
Channels
Cost function
Decision feedback equalizers
Detection, estimation, filtering, equalization, prediction
Exact sciences and technology
Fading
Feedback
Frequency
Information, signal and communications theory
Intersymbol interference
Multiaccess communication
Multiple access interference
Multiuser detection
Radiocommunications
Receivers
Signal and communications theory
Signal, noise
Stochasticity
Telecommunications
Telecommunications and information theory
Training
Transmitters. Receivers
Vectors
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Zusammenfassung:In this letter we investigate adaptive minimum bit error rate (BER) decision feedback multiuser receivers for DS-CDMA systems in fast frequency selective Rayleigh fading channels. We examine stochastic gradient adaptive algorithms and introduce fast algorithms for minimizing the BER cost function from training data.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2002.808373