Multiuser detection in DS-CDMA systems based on a lattice code decoder

Usually, multiple access interference in DS-CDMA systems represents the capacity limiting factor. In this paper, we propose a multiuser detection algorithm based on a lattice code decoder that offers moderate computational complexity. The bit error rate converges asymptotically to the maximum-likeli...

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Bibliographic Details
Published inIEEE Seventh International Symposium on Spread Spectrum Techniques and Applications Vol. 2; pp. 500 - 505 vol.2
Main Authors Dangl, M.A., Egle, J., Teich, W.G., Lindner, J.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2002
Subjects
Computational complexity
Decoding
Detectors
Information technology
Interference
Lattices
Matched filters
Multiaccess communication
Multiuser detection
Niobium
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Summary:Usually, multiple access interference in DS-CDMA systems represents the capacity limiting factor. In this paper, we propose a multiuser detection algorithm based on a lattice code decoder that offers moderate computational complexity. The bit error rate converges asymptotically to the maximum-likelihood curve for large signal-to-noise ratios. Numerical results verify the performance in comparison to conventional detection schemes.
ISBN:9780780376274
0780376277
DOI:10.1109/ISSSTA.2002.1048592