Performance Improvement and Complexity Reduction in MC-CDMA System Using Coding Techniques

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Provided by: Institute of Research in Engineering and Technology (IRET)
Topic: Mobility
Format: PDF
In this paper, partial pre-coding method has been developed to solve the Multiple Access Interference (MAI) and computational complexity problems. This is done by selectively pre-decorrelating users to destructive interference while allowing interference when it is expected to contribute to their signal. The resulting SNR improvement is achieved by making use of energy existent in the system so performance enhancement is attained without the need for increased transmitted power-per-user. The proposed technique applies to the downlink of cellular Code Division Multiple Access (CDMA) systems.
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