On the performance analysis of SIR-based SSC diversity over correlated α–μ fading channels

In this paper, an approach to the performance analysis of dual-branch switch-and-stay combining (SSC) diversity receiver, operating over correlated α–μ fading channels in the presence of co-channel interference (CCI), is presented. Very useful novel infinite series expressions are obtained for the probability density function (PDF) and cumulative distribution function (CDF) of the SSC output signal-to-interference ratio (SIR). Capitalizing on these, performance analysis is performed based on standard criterion measures, such as the outage probability (OP) and average bit error probability (ABEP). Obtained results are graphically presented to show the effects of various parameters such as the fading severity, propagation environment non-linearity and level of correlation on the overall system’s performance.

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