Communications and Signals Design for Wireless Power Transmission

Yong Zeng, Bruno Clerckx, Rui Zhang

Research output: Contribution to journalArticlepeer-review

363 Citations (Scopus)

Abstract

Radiative wireless power transfer (WPT) is a promising technology to provide cost-effective and real-time power supplies to wireless devices. Although radiative WPT shares many similar characteristics with the extensively studied wireless information transfer or communication, they also differ significantly in terms of design objectives, transmitter/receiver architectures and hardware constraints, and so on. In this paper, we first give an overview on the various WPT technologies, the historical development of the radiative WPT technology and the main challenges in designing contemporary radiative WPT systems. Then, we focus on the state-of-the-art communication and signal processing techniques that can be applied to tackle these challenges. Topics discussed include energy harvester modeling, energy beamforming for WPT, channel acquisition, power region characterization in multi-user WPT, waveform design with linear and non-linear energy receiver model, safety and health issues of WPT, massive multiple-input multiple-output and millimeter wave enabled WPT, wireless charging control, and wireless power and communication systems co-design. We also point out directions that are promising for future research.

Original languageEnglish
Article number7867826
Pages (from-to)2264-2290
Number of pages27
JournalIEEE Transactions on Communications
Volume65
Issue number5
DOIs
Publication statusPublished - 2017 May

Bibliographical note

Funding Information:
Manuscript received November 12, 2016; revised February 7, 2017; accepted February 20, 2017. Date of publication March 1, 2017; date of current version May 13, 2017. This work has been partially supported by the EPSRC of UK, under grant EP/P003885/1. The associate editor coordinating the review of this paper and approving it for publication was D. I. Kim. (Corresponding author: Yong Zeng.) Y. Zeng is with the Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583 (e-mail: [email protected]).

Publisher Copyright:
© 2017 IEEE.

Keywords

  • Wireless power transfer
  • channel estimation and feedback
  • energy beamforming
  • non-linear energy harvesting model
  • power region
  • waveform design

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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