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Performance comparison of MC-CDMA over frequency-selective Nakagami-m and Rayleigh fading channels

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2 Author(s)
Zhengjiu Kang ; Electr. Eng. Dept., California Univ., Los Angeles, CA, USA ; Yao, K.

In this paper, the bit error rate performance of uplink MC-CDMA over frequency-selective Nakagami-m fading channels is analyzed. Both maximal ratio combining (MRC) and equal gain combining (EGC) receptions are considered in the evaluations. We address two scenarios: correlated subcarriers and independent subcarriers. Independency among subcarriers was often assumed in the literature; we shall demonstrate, however, that a frequency-selective Nakagami-m fading channel model may have been overemphasized for uplink MC-CDMA with MRC or EGC receptions compared to a frequency-selective Rayleigh fading model if all subcarriers are assumed to be independent.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:6 )

Date of Conference:

26-29 Sept. 2004