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Symmetry 2017, 9(3), 42; doi:10.3390/sym9030042

Two-Way Multi-Antenna Relaying with Simultaneous Wireless Information and Power Transfer

College of Information and Communication Technology, Rangsit University, Pathumthani 12000, Thailand
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Academic Editor: Angel Garrido
Received: 24 December 2016 / Revised: 13 March 2017 / Accepted: 14 March 2017 / Published: 16 March 2017
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Abstract

In this paper, we propose various kinds of two-way multi-antenna relaying with simultaneous wireless information and power transfer (SWIPT) and investigate their performance. Specifically, we first consider a two-way relay network where two single-antenna end nodes communicate with each other through a multi-antenna relay node that is energy constrained. This relay node harvests energy from the two end nodes and use the harvested energy for forwarding their information. Six relaying schemes that support the considered network then build on the power splitting-based relaying and time switching-based relaying protocols. The average bit error rates of these schemes are evaluated and compared by computer simulations considering several network parameters, including the number of relay antennas, power splitting ratio, and energy harvesting time. Such evaluation and comparison provide useful insights into the performance of SWIPT-based two-way multi-antenna relaying. View Full-Text
Keywords: amplify-and-forward; bit error rate; decode-and-forward; network coding; simultaneous wireless information and power transfer (SWIPT); space-time coding; two-way multi-antenna relaying amplify-and-forward; bit error rate; decode-and-forward; network coding; simultaneous wireless information and power transfer (SWIPT); space-time coding; two-way multi-antenna relaying
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Srivantana, T.; Maichalernnukul, K. Two-Way Multi-Antenna Relaying with Simultaneous Wireless Information and Power Transfer. Symmetry 2017, 9, 42.

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