Abstract
This paper presents multiple turbo coded cooperative orthogonal frequency division multiplexing (MTCC-OFDM) scheme over a quasi-static frequency selective Rayleigh fading channel. The MTCC-OFDM scheme is composed of multiple input and multiple output antennas. As, in practical coded cooperative scenario, the relay terminal is mostly in outage due to noisy source to relay channel which causes an erroneous transmission towards the destination terminal that eventually results in a very low bit-error rate (BER) performance of the communication system. Therefore, in the proposed scheme, a turbo iterative decoding is being performed at the relay terminal that considerably improves the BER performance of the communication system. The numerical simulated results confirm that the proposed scheme not only out-performs its related coded non-cooperative scheme i.e., turbo coded OFDM scheme under a similar conditions in terms of bit error-correction performance but also offers robustness in a noisy (practical) source to relay channel scenario.
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