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Performance of orthogonal multi-carrier CDMA in nonfading and nonselective fading channels

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2 Author(s)
Sourour, E. ; Dept. of Electr. Eng., Keio Univ., Yokohama, Japan ; Nakagawa, M.

Multi-carrier modulation techniques have been proposed for high bit rate services in fading channels. This paper presents two orthogonal multi-carrier CDMA systems. In one system the data bits are serial to parallel (S/P) converted to M branches where they are spread and modulated by orthogonal carriers. In the second system the data bits are transmitted in parallel with M orthogonal carriers (no S/P). We assumed a fixed available bandwidth. The performance of the two systems is studied in nonfading and slowly nonselective fading channels. Both systems provide an improved performance. System II over performs system I in the fading channel

Published in:

Spread Spectrum Techniques and Applications, 1994. IEEE ISSSTA '94., IEEE Third International Symposium on

Date of Conference:

4-6 Jul 1994