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Communication Dans Un Congrès Année : 2004

MMSE JOINT DETECTION FOR AN ASYNCHRONOUS SPREAD SPRECTRUM SYSTEM BASED ON RANDOM PERMUTATIONS

Résumé

This paper studies the joint detection of bits for a new spread-spectrum system based on random permutations. The proposed technique can be regarded as a special case of discrete linear periodic time varying filters. As any spread-spectrum technique, this method generates multi-access interference, which must be mitigated in order to retrieve the users' bits with acceptable bit-error-rate. Thus, different detection strategies must be analysed regarding their performance, their complexity and the available a priori information. In this paper, an asynchronous model is considered, and a linear minimum mean-square error (MMSE) detector fitted to this model is investigated. Theoretical and simulated results are provided, along with a comparison with the corresponding detector for CDMA systems.
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Dates et versions

hal-03608806 , version 1 (15-03-2022)

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Citer

Martial Coulon, Daniel Roviras. MMSE JOINT DETECTION FOR AN ASYNCHRONOUS SPREAD SPRECTRUM SYSTEM BASED ON RANDOM PERMUTATIONS. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2004), May 2004, Montréal, QC, Canada. pp.ii-1081-4, ⟨10.1109/ICASSP.2004.1326449⟩. ⟨hal-03608806⟩
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