C6. Probability of error of TDMA relay protocols over Weibull and Weibull-lognormal channels
Abdelrahman H. Gaber, Mahmoud H. Ismail, Hebat-Allah M. Mourad, Hala Abd El-kader Mansour · 2012
This paper focuses on the analysis of the probability of error for several time-division multiple-access (TDMA) cooperative wireless two-stage relay protocols using amplify-and-forward (AF) over independent non-identically distributed Weibull and Weibull-lognormal fading channels with maximal ratio combining (MRC) reception. A closed-form expression for the moment-generating function (MGF) of a lower bound on the total end-to-end signal-to-noise-ratio (SNR) is derived in terms of the tabulated Meijer's G-function. The MGF is then used to derive the probability of error for relaying with orthogonal channels. Simulation results are presented to show that the probability of error expression becomes tight at high SNR values thus verifying the lower bound approximation results.