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Energy harvesting enabled MIMO relaying through power splitting

Liao, J; Khandaker, MRA; Wong, KK; (2016) Energy harvesting enabled MIMO relaying through power splitting. In: 2016 IEEE 17th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC): Proceedings. Institute of Electrical and Electronics Engineers (IEEE) Green open access

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Abstract

This paper considers a multiple-input multiple-output (MIMO) relay system with an energy harvesting relay node powered by harvesting energy from the source node using power splitting (PS). The rate maximization problem subject to power constraints at both the source and relay nodes is considered for two different scenarios. Firstly, the relay matrix and PS ratio are jointly optimized with uniform source precoding and then in the second scenario the source covariance is optimized as well. Iterative approaches and dual decomposition are proposed based on the structures of the optimal relay and source covariance matrices for the scenarios.

Type: Proceedings paper
Title: Energy harvesting enabled MIMO relaying through power splitting
Event: SPAWC 2016: 17th International Workshop on Signal Processing Advances in Wireless Communications, 3-6 July 2016, Edinburgh, UK
ISBN-13: 9781509017492
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/SPAWC.2016.7536837
Publisher version: http://dx.doi.org/10.1109/SPAWC.2016.7536837
Language: English
Additional information: Copyright © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: MIMO, Relay, Energy Harvest, Power Splitting, Covariance matrices, Energy harvesting, MIMO, Precoding, Relay networks (telecommunications), Matrix decomposition
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/1517155
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