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Performance Analysis of AF Relaying With Selection Combining in Nakagami-m Fading

Qin, D; Wang, Y; Zhou, F; Wong, K-K; (2019) Performance Analysis of AF Relaying With Selection Combining in Nakagami-m Fading. IEEE Systems Journal , 13 (3) pp. 2375-2385. 10.1109/JSYST.2019.2897824. Green open access

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Abstract

This paper investigates the performance analysis of a selection combining scheme, which utilizes a variable gain amplify and forward relay over a Nakagami-m fading channel. A selection combiner at a destination node chooses the better link between a relay channel and a direct channel. We derived exact closed-form expressions for moments of signal to noise ratio (SNR), ergodic capacity, and average symbol error probability. Simulation examples confirm that our exact formulas offer a more accurate analysis tool for selection combining than other prevailing approximations without extra complexity. The derived expressions serve as a useful tool for system design due to their validity for any SNR and arbitrary system parameters.

Type: Article
Title: Performance Analysis of AF Relaying With Selection Combining in Nakagami-m Fading
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JSYST.2019.2897824
Publisher version: https://doi.org/10.1109/JSYST.2019.2897824
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Diversity reception, Relays, Signal to noise ratio, Fading channels, Performance analysis, Power system reliability, Probability
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10081686
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