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Performance Analysis of Two-Way AF Cooperative Relay Networks over Weibull Fading Channels

Xinjie Wang1,2, Hao Zhang1,3, T. Aaron Gulliver3, Wei Shi1, and Hongjiao Zhang1
1. Department of Electrical Engineering, Ocean University of China, Qingdao, China
2.College of Communication and Electronics, Qingdao Technological University, China
3.Department of Electrical and Computer Engineering, University of Victoria, Victoria, BC, Canada
Abstract—The performance of two-way amplify-and-forward (AF) cooperative relay networks over independent but not necessarily identically distributed Weibull fading channels is studied. Tight closed form approximations for the overall outage probability (OOP) and the average symbol error probability (ASEP) are derived. The analysis is verified by simulation, and the accuracy is shown to be excellent, especially at high SNRs. According to the analysis, increasing the fading parameter, the power scaling parameter, or the number of relays, can improve the system performance when the best relay is selected.

Index Terms—Two-way relay network; Weibull fading channel; Outage probability; Symbol error probability; Amplify and forward

Cite: Xinjie Wang, Hao Zhang, T. Aaron Gulliver, Wei Shi, and Hongjiao Zhang, "Performance Analysis of Two-Way AF Cooperative Relay Networks over Weibull Fading Channels," Journal of Communications, vol. 8, no. 6, pp. 372-377, 2013. Doi: 10.12720/jcm.8.6.372-377
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