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Weighting Particle Swarm Optimization SIMO MC-CDMA Multiuser Detectors

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6 Author(s)
Taufik Abrao ; Dept. of Electr. Eng., State Univ. of Londrina, Londrina ; Fernando Ciriaco ; Leonardo D. Oliveira ; Bruno A. Angelico
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This paper analyzes the performance of two heuristic approaches applied to a synchronous multicarrier multiuser detection (MuD) of multiple receive antennas code division multiple access (SIMO MC-CDMA) system. The particle swarm optimization (PSO) with weighting particle position based on combining multi-fitness functions (woPSO) is proposed and compared with the conventional PSO SIMO MC-CDMA. The woPSO strategy deal with the multi-objective dilemma imposed by the spatial diversity that results in independent likelihood function for each receive antenna. Additionally, the computational complexity of these algorithms was taken into account in order to show which one has the best trade-off in terms of performance and implementation complexity aspects.

Published in:

2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications

Date of Conference:

25-28 Aug. 2008