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SWIPT in MISO Full-Duplex Systems

Okandeji, AA; Khandaker, MRA; Wong, K-K; Zheng, G; Zhang, Y; Zheng, Z; Liu, R; (2017) SWIPT in MISO Full-Duplex Systems. Journal of Communications and Networks , 19 (5) pp. 470-480. 10.1109/JCN.2017.000079. Green open access

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This paper investigates a multiuser multiple-input singleoutput (MISO) full-duplex (FD) system for simultaneous wireless information and power transfer (SWIPT), in which a multiantenna base station (BS) simultaneously sends wirelessly information and power to a set of single-antenna mobile stations (MSs) using power splitters (PSs) in the downlink and receives information in the uplink in FD mode. In particular, we address the joint design of the receive PS ratio and the transmit power at the MSs, and the beamforming matrix at the BS under signal-to-interferenceplus- noise ratio (SINR) and the harvested power constraints. Using semidefinite relaxation (SDR), we obtain the solution to the problem with imperfect channel state information (CSI) of the selfinterfering channels. Furthermore, we propose another suboptimal zero-forcing (ZF) based solution by separating the optimization of the transmit beamforming vector and the PS ratio. Simulation results are provided to evaluate the performance of the proposed beamforming designs.

Type: Article
Title: SWIPT in MISO Full-Duplex Systems
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JCN.2017.000079
Publisher version: http://ieeexplore.ieee.org/document/8120246/
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: Beamforming, full-duplex systems, simultaneouswireless information and power transfer (SWIPT), wireless powertransfer
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/10042596
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