Wireless Networks With RF Energy Harvesting: A Contemporary Survey
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This paper presents an overview of the RF-EHNs including system architecture, RF energy harvesting techniques, and existing applications, and explores various key design issues according to the network types, i.e., single-hop networks, multiantenna networks, relay networks, and cognitive radio networks.Abstract:
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, ie, single-hop networks, multiantenna networks, relay networks, and cognitive radio networks Finally, we envision some open research directionsread more
Citations
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Journal ArticleDOI
Energy Efficiency of Distributed Antenna Systems With Wireless Power Transfer
TL;DR: In this paper, the authors considered two types of energy efficiency (EE) metrics: user-centric EE (UC-EE) and network-centricEE (NC-EE), respectively, by optimizing the transmission time and power subject to the energy harvesting requirements of users.
Journal ArticleDOI
Performance Analysis of MICS-based RF Wireless Power Transfer System for Implantable Medical Devices
TL;DR: A far-field radio-frequency powering, represented by an access point (AP), in conjunction with energy-harvesting capability is deployed in this paper for continuous powering of the IMDs, to establish safe powering conditions in order to comply with the safety limits established by the Federal Communications Commission.
Journal ArticleDOI
Precoder Design for Simultaneous Wireless Information and Power Transfer Systems With Finite-Alphabet Inputs
TL;DR: A general solving framework for both co-located and separated receiver cases, based on the semidefinite relaxation (SDR) technique, is developed to achieve a near optimal precoder design for a SWIPT system with finite-alphabet inputs and instantaneous channel state information over a multiple-input multiple-output channel.
Proceedings ArticleDOI
Backscatter-Aided Hybrid Data Offloading for Wireless Powered Edge Sensor Networks
TL;DR: This paper proposes a backscatter-aided hybrid data offloading scheme for a battery-less wireless sensor network that provides a higher offloading throughput compared to the state-of-the-art data off loading schemes.
Journal ArticleDOI
Improper Gaussian Signaling for Integrated Data and Energy Networking
TL;DR: In this article, the problem of beamforming design for a multi-cell network of downlink users, who either harvest energy or decode information or do both by receiving signals from the multi-antenna base station (BS) within a time slot and over the same frequency band, is considered.
References
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Wireless Communications: Principles and Practice
TL;DR: WireWireless Communications: Principles and Practice, Second Edition is the definitive modern text for wireless communications technology and system design as discussed by the authors, which covers the fundamental issues impacting all wireless networks and reviews virtually every important new wireless standard and technological development, offering especially comprehensive coverage of the 3G systems and wireless local area networks (WLANs).
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Network information flow
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Wireless Power Transfer via Strongly Coupled Magnetic Resonances
Andre B. Kurs,Aristeidis Karalis,Robert Moffatt,John D. Joannopoulos,Peter H. Fisher,Marin Soljacic +5 more
TL;DR: A quantitative model is presented describing the power transfer of self-resonant coils in a strongly coupled regime, which matches the experimental results to within 5%.
Journal ArticleDOI
Zero-forcing methods for downlink spatial multiplexing in multiuser MIMO channels
TL;DR: While the proposed algorithms are suboptimal, they lead to simpler transmitter and receiver structures and allow for a reasonable tradeoff between performance and complexity.
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