Abstract

Performance of multihop communication systems with regenerative relays using decode-and-forward (DF) relaying in η-μ fading channels is analyzed. In our analysis, novel closed form expressions of performance metrics: moments of end-to end signal to noise ratio, amount of fading, outage probability and average bit error rate (ABER) of Gray coded rectangular quadrature amplitude modulation (RQAM) signals are obtained for multihop communication systems in independent and non identically distributed η-μ fading channels. Numerical results are provided to illustrate the system's performance and the impact of number of hops and fading parameters on the performance is analyzed and discussed. Numerical analysis is verified by Monte Carlo simulation.

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