Transmit Beamforming and Integer Matrix Design for MISO SWIPT Systems With Integer Forcing | IEEE Journals & Magazine | IEEE Xplore

Transmit Beamforming and Integer Matrix Design for MISO SWIPT Systems With Integer Forcing


Abstract:

This letter considers simultaneous wireless information and power transfer (SWIPT) in multiple-input single-output broadcasting systems based on the integer forcing (IF) ...Show More

Abstract:

This letter considers simultaneous wireless information and power transfer (SWIPT) in multiple-input single-output broadcasting systems based on the integer forcing (IF) technique where multiple receivers are equipped with a power splitting circuit and able to harvest energy and decode information at the same time. The optimization problem that incorporates the beamforming matrix and IF coefficients matrix designs is formulated to minimize the transmit power at transmitter, while guaranteeing the achievable rate and harvested energy threshold of each receiver. To tackle the NP-hardness and non-convexity of the optimization problem, we propose an iterative algorithm consisting of two sub-problems. Simulation results provide the comparison of the performance of SWIPT systems with and without IF technique.
Published in: IEEE Wireless Communications Letters ( Volume: 8, Issue: 1, February 2019)
Page(s): 229 - 232
Date of Publication: 30 August 2018

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