NDLI: Ergodic capacity and SER performance analysis of amplify-and-forward cognitive relay networks with partial relay selection

Content Provider	IEEE Xplore Digital Library
Author	Yuanxin Sun Xinyi Wang Huogen Yu Wanbin Tang Ying Zhang
Copyright Year	2015
Description	Author affiliation: Nat. Key Lab. of Sci. & Technol. on Commun., Univ. of Electron. Sci. & Technol. of China, Chengdu, China (Yuanxin Sun; Xinyi Wang; Huogen Yu; Wanbin Tang)
Abstract	This paper investigates the performance of amplify-and-forward (AF) cognitive relay networks with partial relay selection (PRS) in a spectrum-sharing context. The PRS schemes can be divided into two different types: source-relay PRS and relay-destination PRS, which are respectively called SR-PRS and RD-PRS for short. Different from most of the existing studies which only consider interference power constraint on secondary source and relay nodes, transmit power constraint on secondary relay nodes is further considered in our work. In this condition, we derive the lower bound on symbol error rate and the upper bound on ergodic capacity of the two schemes aforementioned over Rayleigh fading channels, which has never been studied before. According to the analyses, the power constraints and the number of secondary relay nodes are the main factors affecting the system performance. Furthermore, the performances of the two schemes are compared by simulations and the correctness of the analytical results are verified by Monte Carlo simulations.
Starting Page	1775
Ending Page	1780
File Size	459699
Page Count	6
File Format	PDF
e-ISBN	9781467367820
DOI	10.1109/PIMRC.2015.7343586
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Signal to noise ratio Upper bound Land mobile radio Mobile computing Wireless networks ergodic capacity amplify-and-forward cognitive relay network partial relay selection symbol error rate
Content Type	Text
Resource Type	Article

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