Swipt through eigen-decomposition of mimo channels

In this paper, we theoretically investigate a new technique for simultaneous wireless information and power transfer in multiple-input multiple-output (MIMO) point-to-point with radio frequency energy harvesting capabilities. The proposed technique exploits the spatial decomposition of the MIMO chan...

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Bibliographic Details
Published in2015 23rd European Signal Processing Conference (EUSIPCO) pp. 1994 - 1998
Main Authors Timotheou, Stelios, Krikidis, Ioannis
Format Conference Proceeding
LanguageEnglish
Published EURASIP 01.08.2015
Subjects
Energy harvesting
Europe
MIMO
MIMO channel
MISOCP
Optimization
Radio frequency
Resource management
RF energy harvesting
Signal processing
SVD
SWIPT
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ISSN2076-1465
DOI10.1109/EUSIPCO.2015.7362733

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Summary:In this paper, we theoretically investigate a new technique for simultaneous wireless information and power transfer in multiple-input multiple-output (MIMO) point-to-point with radio frequency energy harvesting capabilities. The proposed technique exploits the spatial decomposition of the MIMO channel and uses the eigenchannels either to convey information or to transfer energy. An optimization problem that minimizes the total transmitted power subject to maximum power per eigenchannel, information and energy constraints is formulated as a mixed-integer nonlinear program and solved to optimality using mixed-integer second-order cone programming.
ISSN:2076-1465
DOI:10.1109/EUSIPCO.2015.7362733