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The BER performance of a quasi-orthogonal minimum output energy multiuser detector for CDMA systems in Nakagami environment

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1 Author(s)
Mohamed Moustafa Abd-El Aziz Moustafa ; Electron. & Commun. Eng., Thebes Acad.

The paper presents the performance of the quasi-orthogonal minimum output energy (QOMOE) detector for a synchronous CDMA system in Nakagami environment. The QOMOE detector minimizes the output variance with respect to the component equivalent to the quasi-orthogonal component to the desired user's signature waveform, then the solution is the linear minimum mean square error (LMMSE) transformation. The QOMOE receiver employs maximal-ratio combiner (QOMOE-MRC) for detecting the desired user. A comparison is made among QOMOE-MRC, matched filter (MF-MRC), decorrelator-MRC, LMMSE-MRC and blind adaptive-MRC receivers, in a Nakagami channel model. Analysis and simulation results show that the QOMOE-MRC can obtain better performance than that of LMMSE-MRC receiver

Published in:

Advanced Communication Technology, 2006. ICACT 2006. The 8th International Conference  (Volume:2 )

Date of Conference:

20-22 Feb. 2006