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Performance Evaluation of Dynamic Band Selection MC-CDMA in Rayleigh Fading Channels

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3 Author(s)
Ullah, M.A. ; Dept. of Radio Commun. Eng., Kyung Hee Univ., Gyeonggi ; Hossain, G. ; Kyesan Lee

The main thrust of fourth generation (4G) research worldwide is dedicated towards spectrally efficient systems. This paper addresses a novel modulation technique and multiple access schemes named dynamic band selection multi-carrier code division multiple accesses (DBS/MC-CDMA) and compared with BER performances with conventional multi-carrier code division multiple accesses (MC-CDMA) in multi-path Rayleigh fading channels. The DBS/MC-CDMA technique, applied to mobile communication systems, offers enhanced BER performances and flexibility relative to MC-CDMA. Specifically, proposed system minimizes the multiple access interference and achieves the dynamic band selection capability among the users in a cell. Simulation results show the better BER performance than MC-CDMA for the same channel conditions and the same number of users in a cell.

Published in:

Electrical and Computer Engineering, 2006. ICECE '06. International Conference on

Date of Conference:

19-21 Dec. 2006