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Wireless broadband access system will operate in high mobility and high data rate environment It is necessary to consider a system that is applied with or without perfect channel information, having more spectrum efficiency, and mitigating selective fading problems. We propose an MC CDMA multilevel coding system model that capable to solve those problems. We consider to this system accommodate various bandwidth usage, QoS or channel response for every user. From the research results, it is concluded that in general the MC CDMA multilevel coding scheme will provide a good performance with high speed user in non coherent channel transmission scheme.
Date of Conference: 2-4 July 2007