SWIPT in MISO full-duplex systems

Alexander Akpofure Okandeji; Muhammad R. A. Khandaker; Kai-Kit Wong; Gan Zheng; Yangyang Zhang; Zhongbin Zheng; Ruopeng Liu

doi:10.1109/JCN.2017.000079

SWIPT in MISO full-duplex systems

Alexander Akpofure Okandeji, Muhammad R. A. Khandaker, Kai-Kit Wong, Gan Zheng, Yangyang Zhang, Zhongbin Zheng, Ruopeng Liu

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6 Citations (Scopus)

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Abstract

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.

Original language	English
Pages (from-to)	470-480
Number of pages	11
Journal	Journal of Communications and Networks
Volume	19
Issue number	5
DOIs	https://doi.org/10.1109/JCN.2017.000079
Publication status	Published - 1 Dec 2017

Keywords

Beamforming
full-duplex systems
simultaneouswireless information and power transfer (SWIPT)
wireless powertransfer

ASJC Scopus subject areas

Information Systems
Computer Networks and Communications

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title = "SWIPT in MISO full-duplex systems",

abstract = "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.",

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author = "Okandeji, {Alexander Akpofure} and Khandaker, {Muhammad R. A.} and Kai-Kit Wong and Gan Zheng and Yangyang Zhang and Zhongbin Zheng and Ruopeng Liu",

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AU - Okandeji, Alexander Akpofure

AU - Khandaker, Muhammad R. A.

AU - Wong, Kai-Kit

AU - Zheng, Gan

AU - Zhang, Yangyang

AU - Zheng, Zhongbin

AU - Liu, Ruopeng

PY - 2017/12/1

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N2 - 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.

AB - 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.

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SWIPT in MISO full-duplex systems

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Keywords

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