Outage Probability Analysis of Amplify-and-Forward Cooperative Diversity Relay Networks
Quoc Tuan Nguyen, D.T. Nguyen, Cong Lam Sinh

TL;DR
This paper derives exact analytical expressions for outage probability in amplify-and-forward relay networks, accounting for noise effects, improving upon previous asymptotic and approximate methods across all SNR levels.
Contribution
It introduces a new, more accurate upper bound for SNR that enables exact analysis of outage probability considering noise effects in relay networks.
Findings
New upper bound for SNR improves accuracy
Exact outage probability expressions derived
Better performance analysis across all SNR levels
Abstract
The statistical analysis of the fading End to End channel gain of the amplify and forward relaying protocol, however, is well known as extremely complex, and research work to date have only studied the asymptotic behaviour of the outage probability of the network at either very low or very high Signal Noise Ratios. Most current works circumvent the analytical complexity by first ignoring the effect of Additive White Gaussian noise then by using the simple approximated upper bound for the Signal Noise Ratio. The new approximated upper bound proposed in this paper, is far better bound than the previous results for the entire Signal Noise Ratio, which allows us to derive exact analytical expressions to study the effect of Additive White Gaussian noise on the network performance.
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Taxonomy
TopicsCooperative Communication and Network Coding · Full-Duplex Wireless Communications · Advanced MIMO Systems Optimization
