Performance Analysisof Random Interleaver for OFDM-IDMA Systemusing AWGN and Rayleigh Fading Channel

This paper provides a review on the orthogonal frequency division multiplexing (OFDM) and interleave division multiple access (IDMA) by using AWGN and Rayleigh fading channel. OFDM-IDMA is a composite communication system. This system has been receiving significant research attention due to their capability to address the problem like inter symbol interference (ISI) and multiple access interference (MAI). In various fourth generation wireless communication system this method most widely used. An efficient random based interleaver is present which is simple and could produce orthogonal interleavers for generating user specific chip level inteleaver for different user.