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http://dx.doi.org/10.7236/JIIBC.2019.19.5.55

Joint Transceiver Design for SWIPT in MIMO Interference Channel  

Seo, Bangwon (Division of Electrical, Electronic, and Control Engineering, the Institute of IT Convergence Technology (IICT), Kongju National University)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.19, no.5, 2019 , pp. 55-62 More about this Journal
Abstract
In this paper, we consider K-user multiple-input multiple-output (MIMO) interference channel and present a transceiver design for simultaneous wireless information and power transfer (SWIPT) systems. In addition, we consider a SWIPT system where an information decoding receiver and an energy harvesting receiver are co-located at the same receiver. In the proposed scheme, signal-to-leakage plus noise ratio (SLNR) is used as a cost function and a transceiver is designed to satisfy the threshold of the harvested energy. More specifically, transmitter precoding vector, receiver filter vector, and power spitting factor are simultaneously designed to maximize SLNR with a constraint on the harvested energy. Through computer simulation, we compare the signal-to-interference plus noise ratio (SINR) performance of the proposed and conventional schemes. When a special condition among the number of transmit antennas, receive antennas, and users is satisfied, the proposed scheme showed better SINR performance than the conventional scheme at low signal-to-noise ratio (SNR) range. Also, when the condition is not satisfied, the proposed scheme showed better performance than the conventional scheme at all SNR range.
Keywords
MIMO interference channel; simultaneous wireless information and power transfer (SWIPT); power splitting; transceiver design; SLNR (Signal-to-Leakage plus Noise Ratio);
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Times Cited By KSCI : 1  (Citation Analysis)
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