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Simplified Local Search Algorithm for Multiuser Detection in Multipath Rayleigh Channels

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3 Author(s)
de Oliveira, L.D. ; DEEL-UEL State Univ. of Londrina, Londrina ; Abrao, T. ; Jeszensky, P.J.E.

This work intends to show that the simple 1-optimum local search (LS) technique is enough to solve the multiuser detection problem with an excellent performance-complexity trade-off. Based on the deterministic behavior of the LS algorithm and some simplifications in the cost function calculation, a more efficient algorithm can be obtained and also a new perspective about the multiuser detector implementation. The performance and complexity analysis are evaluated considering a DS/CDMA system under multipath fading channels.

Published in:

Mobile and Wireless Communications Summit, 2007. 16th IST

Date of Conference:

1-5 July 2007