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Sensor networks as cooperative spatial diversity (CSD) is implemented and analyzed for cyclic delay diversity (CDD) distributed MC-CDMA system. In such as cooperative system, it is proposed a distributed SISO analysis employing CDD to simplify the system evaluation in terms of probability of errors and maximum achievable throughput [bits/s/Hz]. Furthermore, the moment generating function (MGF) of the correlated Nakagami-m random variable is used and considered for the realistic case of frequency-correlated MC-CDMA subcarries. To this end, an explicit allocation strategy for the distributed diversity is deducted. Simulation results are also presented which show excellent agreement with the analytical framework.
Date of Conference: 11-14 May 2008