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Dynamic wireless energy harvesting and optimal distribution in multipair DF relay network with nonlinear energy conversion model

Shah, S. T. , da Costa, D. B., Choi, K. W. and Chung, M. Y. (2018) Dynamic wireless energy harvesting and optimal distribution in multipair DF relay network with nonlinear energy conversion model. Wireless Communications and Mobile Computing, 2018, 7638215. (doi: 10.1155/2018/7638215)

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Abstract

Wireless energy harvesting has emerged as an efficient solution to prolong the lifetime of wireless networks composed of energy-constrained nodes. In this paper, we consider a multipoint-to-multipoint relay network, where multiple source nodes communicate with their respective destination nodes via intermediate energy-constrained decode-and-forward (DF) relay. The performance of two different transmission modes, namely, delay tolerant and delay nontolerant, is studied. Based on power-splitting relaying protocol (PSR), optimal energy harvesting and distribution schemes for both transmission modes are provided. In addition, for more realistic and practical analysis, we consider a nonlinear energy conversion model for energy harvesting at the relay node. Our numerical results provide useful insights into different system parameters of a nonlinear energy harvesting-based multipair DF relay network.

Item Type:Articles
Additional Information:Tis work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean Government (MSIP) (2014R1A5A1011478).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Shah, Dr Syed Tariq
Authors: Shah, S. T., da Costa, D. B., Choi, K. W., and Chung, M. Y.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Journal Name:Wireless Communications and Mobile Computing
Publisher:Wiley
ISSN:1530-8669
ISSN (Online):1530-8677
Copyright Holders:Copyright © 2018 Syed Tariq Shah et al
First Published:First published in Wireless Communications and Mobile Computing 2018:7638215
Publisher Policy:Reproduced under a Creative Commons licence

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