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Adaptive MC-CDMA Multiple Channel Estimation and T
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Multicarrier code-division multiple access (MC-CDMA) combines multicarrier transmission with direct-sequence
(DS) spread spectrum techniques. In this study, a novel multiple channel estimator, which consists of several
possible channel models and can be self-adjusted to fit different channel uncertain conditions,
is proposed for MC-CDMA systems to effectively estimate channel coefficients in the frequency
domain over time-varying multipath fading channels. Based on the proposed channel estimation,
an enhanced minimum mean-square error (MMSE) equalizer is employed for symbol detection of MC-CDMA systems.
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