Joint Active and Passive Beamforming Optimization for Intelligent Reflecting Surface Assisted SWIPT Under QoS Constraints

• Published in: IEEE journal on selected areas in communications Vol. 38; no. 8; pp. 1735 - 1748
• Main Authors: Wu, Qingqing, Zhang, Rui
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.08.2020; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Antennas; Array signal processing; Beamforming; Energy harvesting; Intelligent reflecting surface; Interference; Iterative algorithms; Optimization; passive beamforming; QoS constraints; Quality of service; Radio frequency; Radio signals; Reconfigurable intelligent surfaces; Signal to noise ratio; SWIPT; Transceivers; Wireless communication; Wireless networks; Wireless power transmission

Intelligent reflecting surface (IRS) is a new and revolutionizing technology for achieving spectrum and energy efficient wireless networks. By leveraging massive low-cost passive elements that are able to reflect radio-frequency (RF) signals with adjustable phase shifts, IRS can achieve high passive...