Wireless Networks With RF Energy Harvesting: A Contemporary Survey



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IEEE Communications Surveys & Tutorials


Radio frequency (RF) energy transfer and harvesting techniques have recently become alternative methods to power the next-generation wireless networks. As this emerging technology enables proactive energy replenishment of wireless devices, it is advantageous in supporting applications with quality-of-service requirements. In this paper, we present a comprehensive literature review on the research progresses in wireless networks with RF energy harvesting capability, which is referred to as RF energy harvesting networks (RF-EHNs). First, we present an overview of the RF-EHNs including system architecture, RF energy harvesting techniques, and existing applications. Then, we present the background in circuit design as well as the state-of-the-art circuitry implementations and review the communication protocols specially designed for RF-EHNs. We also explore various key design issues in the development of RF-EHNs according to the network types, i.e., single-hop networks, multiantenna networks, relay networks, and cognitive radio networks. Finally, we envision some open research directions.



RF-powered Cognitive radio network, simultaneous wireless information and power transfer (SWIPT), receiver operation policy, beamforming, communication protocols, RF energy harvesting, magnetic MIMO


Copyright 2015 IEEE Communications Surveys & Tutorials. This is a pre-print version of a published paper that is available at: https://arxiv.org/abs/1406.6470. Recommended citation: Gu, Yunan, Walid Saad, Mehdi Bennis, Merouane Debbah, and Zhu Han. "Matching theory for future wireless networks: Fundamentals and applications." IEEE Communications Magazine 53, no. 5 (2015): 52-59. doi: 10.1109/COMST.2014.2368999. This item has been deposited in accordance with publisher copyright and licensing terms and with the author's permission.