Special Issue "Wireless Energy Harvesting for Future Wireless Communications"

A special issue of Information (ISSN 2078-2489). This special issue belongs to the section "Information and Communications Technology".

Deadline for manuscript submissions: 25 October 2017

Special Issue Editors

Guest Editor
Prof. Dr. Dushantha Nalin K. Jayakody

Institute of Cybernetics, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
Website | E-Mail
Interests: 5G wireless; wireless communciations; coding theory; signal processing; discrete mathematics
Guest Editor
Dr. Shree Krishna Sharma

University of Western Ontario, Canada
E-Mail
Interests: 5G wireless; Internet of Things (IoT); cooperative and cognitive communications; heterogeneous wireless networks; multi-antenna signal processing; satellite communications

Special Issue Information

Dear Colleagues,

Due to recent advances in Radio Frequency (RF) energy harvesting circuits over the past decade, the investigation of far-field wireless power transfer techniques in energy-constrained wireless networks such as dense outdoor cellular networks, indoor wireless networks, wireless sensor networks, and Internet of Things (IoT) applications has received significant attention. As the RF signals can carry two important entities, i.e., energy and information, the wireless energy signal can be sent over the air with the sole objective of providing energy or with the possibility of being combined with the information signal. In the latter approach, RF energy harvesting and information decoding can be theoretically performed from the same RF signal input, resulting in the concept of Simultaneous Wireless Information and Power Transfer (SWIPT). However, the two objectives of maximizing the information rate and maximizing the energy transfer compete with each other and a clear trade-off occurs between information decoding and energy harvesting, which has been analysed for SWIPT systems in the literature in various system settings. One of the promising ways of enhancing the RF energy transfer efficiency of the traditional single antenna-based systems is to exploit suitable multi-antenna techniques such as joint energy and information beamforming, antenna selection, and space division multiple access. In this direction, there have been significnat research activities over the last decade. However, several challenges need to be addressed in order to fully incorporate SWIPT in emerging fifth generation (5G) and beyond wireless networks.

This Special Issue focuses on recent advances in the areas of RF energy harvesting, Wireless Power Transfer (WPT) and SWIPT technologies for the 5G and beyond wireless networks. In this direction, we invite researchers from academia, industry, and governmental organizations to submit their novel works on theoretical models, hardware prototype results, and standardization activities in the related areas.

The main topics of interest for this Special Issue include, but are not limited to, the following:

  • Receiver architectures for energy harvesting and SWIPT systems
  • SWIPT techniques for multiantenna and multicarrier wireless systems
  • Algorithms and protocols for SWIPT/RF wireless power transfer in emerging 5G wireless networks such as massive MIMO systems, cooperative relay networks, small cells, full duplex and mmWave systems
  • Resource allocation/management and interference mitigation in SWIPT/RF wireless power transfer enabled heterogeneous wireless systems
  • Energy beamforming/precoding and low-complexity antenna partition techniques for SWIPT in multi-antenna wireless systems
  • Energy harvesting in IoT/M2M/V2V/D2D environments such as wireless body area networks, smart homes, connected vehicles, smart cities and smart industry
  • Hardware prototype design for wireless power transfer/energy harvesting
  • Standardization activities for RF energy harvesting/SWIPT
  • SWIPT/RF wireless power transfer assisted hardware impairment in wireless networks

Prof. Dr. Dushantha Nalin K. Jayakody
Dr. Shree Krishna Sharma
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Information is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 350 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Simultaneous Wireless Information and Power Transfer (SWIPT)
  • Wireless Power Transfer (WPT)
  • RF energy harvesting
  • 5G wireless
  • Heterogeneous wireless networks
  • Energy efficiency

Published Papers (1 paper)

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Research

Open AccessArticle Physical Layer Security and Optimal Multi-Time-Slot Power Allocation of SWIPT System Powered by Hybrid Energy
Information 2017, 8(3), 100; doi:10.3390/info8030100
Received: 29 June 2017 / Revised: 14 August 2017 / Accepted: 15 August 2017 / Published: 16 August 2017
PDF Full-text (2472 KB) | HTML Full-text | XML Full-text
Abstract
In this paper, a new approach is proposed to solve the constrained optimization problem of saving grid energy and increasing safety in a simultaneous wireless information and power transfer (SWIPT) system. The traditional grid energy is combined with the renewable energy to form
[...] Read more.
In this paper, a new approach is proposed to solve the constrained optimization problem of saving grid energy and increasing safety in a simultaneous wireless information and power transfer (SWIPT) system. The traditional grid energy is combined with the renewable energy to form a hybrid energy, which provides power for the system to achieve green wireless transmission. The transfer process of SWIPT system is divided into multiple time slots. The renewable energy is harvested and stored in battery at each time slot. A multi-time-slot artificial noise-assisted transmission strategy is proposed to reduce the signal to noise ratio (SNR) of eavesdropping link. A power allocation algorithm based on multi-time-slot golden section is given, which performs one-dimensional search on the power ratio of artificial noise to determine the transmit power of source node. And then the allocation algorithm is utilized to dynamically configure the harvested renewable energy for each time slot. When the battery capacity is constant, the maximum renewable energy is being used to reduce the grid power consumption. Finally, the performances of proposed schemes are evaluated by simulations in terms of various tradeoffs. Full article
(This article belongs to the Special Issue Wireless Energy Harvesting for Future Wireless Communications)
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