Abstract
This paper presents the performance analysis of analog network coding-based two-way amplify-and-forward relaying under mixed Rician and Nakagami-m fading environment. Closed form expressions for both the cumulative distribution function and probability distribution function of the instantaneous end-to-end SNR are derived. Using those, the closed form expressions for the first moment, second moment, and the symbol error rate (SER) for M-PSK modulated signals are obtained. The performance of the system is analyzed in terms of outage probability, average SER, and ergodic capacity. In addition, we investigate the outage probability for high SNR scenario to identify more details of the system performance in depth. Simulations are performed to verify the correctness of our theoretical analysis.
Highlights
Network coding (NC) was first introduced a decade ago [1], owing to its potential for improving the performance of a wireless network
The same is true for m = 3 as shown in Figure 7, we achieved the performance gain of 5 dB between m = 2, K = 0 dB and m = 2 and K = 5 dB and a performance gain of 3 dB is achieved for the system with m = 3, K = 5 dB over the system with m = 3, K = 10 dB for both BPSK and QPSK modulation schemes
We analyzed the performance of network coding-based two-way relay network over mixed Rician and Nakagamim asymmetric fading channels
Summary
Network coding (NC) was first introduced a decade ago [1], owing to its potential for improving the performance of a wireless network. Chaudary and Rajatheva EURASIP Journal on Wireless Communications and Networking 2012, 2012:209 http://jwcn.eurasipjournals.com/content/2012/1/209 amplify-and-forward relay transmission system, the performance in terms of deriving the closed form analytical expressions for cumulative distribution function (CDF) and probability density function (PDF) of end-end signalto-noise-ratio (SNR) over asymmetric (Nakagami-m and Rician) fading channels was assumed in [8].
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