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The future wireless mobile communication systems will be required to support high-speed transmission rate. Direct Sequence Code-Division Multiple Access (DSCDMA) and MultiCarrier (MC- CDMA) are two important CDMA schemes for high rate wireless communication. Multi-Carrier Code Division Multiple Access (MCCDMA) has been considered as a strong candidate for next generation wireless communication system due to its excellent performance in multi-path fading channel and simple receiver structure. However, like all the multi-carrier transmission technologies such as OFDM, the Inter-Carrier Interference (ICI) produced by the frequency offset between the transmitter and receiver local oscillators or by Doppler shift due to high mobility causes significant BER (Bit Error Rate) performance degradation in MC-CDMA system.
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