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A diversity scheme which exploits the existence of a source-destination path to improve the lifetime and outage probability of a wireless selective relay network with Amplify-and-Forward (AF) relays is proposed and studied. The destination obtains a portion of the required signal to noise ratio (SNR) during the broadcast phase (Phase I) from the source and the remainder of the required SNR from a...
In performance analyses of wireless communication systems, expressions for the probability distributions of certain random variables are often needed. While exact efficiently computable closed-form expressions are desirable, they are often very difficult, if at all possible, to obtain. In this paper, the Pearson system of distributions is studied as a means to obtain approximate expressions for such...
The performance of selection diversity over independent but not necessarily identically distributed Nakagami fading channels is studied. An exact closed-form expression for the probability density function of the selected channel signal-to-noise ratio is derived. Exact closed-form expressions for the corresponding cumulative distribution function, moment generating function and moments are also obtained...
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