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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Vydáno v:IEEE communications letters Ročník 7; číslo 2; s. 73 - 75
Hlavní autoři: de Lamare, R.C., Sampaio-Neto, R.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York, NY IEEE 01.02.2003
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
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
Fading channels
Performance evaluation
BER cost functions
Adaptive detection
Adaptive algorithm
decision feedback
Bit error rate
Wireless telecommunication
Adaptive algorithms
Receiver
Decision feedback equalizers
Stochastic method
Code division multiple access
Cost function
Rayleigh fading
multiuser detection
Direct sequence
ISSN:1089-7798, 1558-2558
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Shrnutí: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.
Bibliografie:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2002.808373