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Joint source-channel and multiuser decoding for Rayleigh fading CDMA Channels
Department of Signals and Systems, Chalmers University of Technology.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-7926-5081
2000 (English)In: IEEE Transactions on Communications, ISSN 0090-6778, E-ISSN 1558-0857, Vol. 48, no 1, 13-16 p.Article in journal (Refereed) Published
Abstract [en]

We consider joint source-channel and multiuser decoding for frequency-selective Rayleigh fading code-division multiple-access channels. The block source-channel encoder is defined by a vector quantizer, We investigate optimal (minimum mean-square error) decoding and user-separated decoding of lower complexity, The studied decoders are soft in the sense that they utilize all soft information available at the receiver. Simulations indicate significant performance gains of the introduced decoders compared with a tandem approach that uses maximum-likelihood multiuser detection plus table-lookup decoding.

Place, publisher, year, edition, pages
IEEE Communications Society , 2000. Vol. 48, no 1, 13-16 p.
Keyword [en]
code-division multiple-access (CDMA), combined source-channel coding, frequency-selective Rayleigh fading, joint decoding, multiuser detection, multiuser systems, soft decoding, vector quantization, vector
National Category
URN: urn:nbn:se:kth:diva-19537DOI: 10.1109/26.818867ISI: 000085300400003OAI: diva2:338229
QC 20100525 QC 20111216Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-12-16Bibliographically approved

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