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A probabilistic approach to formulate the performance analyses of the outage probability and the average bit-error-rate (BER) is presented with the max-min relay selection scenario. The relay hop channel is modeled as a closed-form probability density function (PDF) of the composite Rayleigh plus log-normal fading variables and characterized by a log-normal standard deviation. Numerical results show...
Until now performance analyses about using the Rayleigh plus log-normal (composite) fading effect for relaying systems are still incomplete because it is generally accepted that underlying statistics do not lead to a closed-form expression. In this paper, we refine the analytical framework for cooperative relaying (dual-hop multi-relaying and direct links) based on a relaying power constraint scenario...
In this paper, we propose an analytical framework for cooperative dual-hop relaying over in-door composite fading environments. We focus on overcoming the limitations of non-closed form problems of log-normal statistics and simplifying the tremendous complication of former frameworks. The approximated expressions combined outage and bit-error-rate (BER) probability are derived and analyzed in terms...
An effective relay selection scheme is developed using likelihood decision rule for two-hop stationary multi-relaying network. This scheme is based on the concept that we select the relay node most likely to have the highest probability of channel power gain distribution across the cluster of relaying links. By utilizing an amplify-and-forward (AF) relaying scenario, our selection criterion is subject...
In this paper, we study the confidence interval for average amplification gain in a symmetric Dual-Hop Semi-Blind (DHSB) amplify-and-forward (AF) relaying system. This system uses the local mean of instantaneous signal-to-noise ratio (SNRi) in the first hop which is estimated by averaging over a certain number of samples. Outage probability is calculated on average of the number of blocks since relay...
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