Sustainable Wireless Information and Power Exchange for Energy-Constrained Communication Systems

Hoon Lee, Kyoung Jae Lee, Hanjin Kim, Inkyu Lee

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    This paper considers point-To-point wireless communications where an energy-constrained node, which has insufficient energy for data transmission, wants to exchange messages with a node with enough energy. In this system, we study power splitting (PS) based energy cooperation methods by exploiting wireless energy transfer techniques and propose a new concept called sustainable wireless information and power exchange (SWIPE). In this SWIPE protocol, the node which has sufficient energy first transmits the information signal to the energy-constrained node. Then, the received signal at the energy-constrained node is utilized for both information decoding and energy harvesting via a PS circuit. At the consecutive time slot, by using the harvested energy, the energy-constrained node is now able to send a signal to the other node which employs a similar PS technique. This procedure continues by switching the operations of two nodes at each time slot. For the proposed SWIPE protocol, we present the optimal PS ratio computation algorithm in order to maximize the weighted sum throughput performance. Simulation results confirm the efficacy of the proposed SWIPE protocol over conventional schemes.

    Original languageEnglish
    Title of host publication2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages1-6
    Number of pages6
    ISBN (Electronic)9781509050192
    DOIs
    Publication statusPublished - 2017 Jul 1
    Event2017 IEEE Global Communications Conference, GLOBECOM 2017 - Singapore, Singapore
    Duration: 2017 Dec 42017 Dec 8

    Publication series

    Name2017 IEEE Global Communications Conference, GLOBECOM 2017 - Proceedings
    Volume2018-January

    Other

    Other2017 IEEE Global Communications Conference, GLOBECOM 2017
    Country/TerritorySingapore
    CitySingapore
    Period17/12/417/12/8

    Bibliographical note

    Funding Information:
    This work was supported by the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (MSIP) of Korea Government under Grant 2014R1A2A1A10049769 and 2017R1A2B3012316. The work of K.-J. Lee was supported in part by Korea Electric Power Corporation (No. R17XA05-71) and Korea Evaluation Institute of Industrial Technology (KEIT) grant funded by the Korea government (MOTIE) (No.10079984, Development of non-binding multimodal wireless power transfer technology for wearable device).

    Publisher Copyright:
    © 2017 IEEE.

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Hardware and Architecture
    • Safety, Risk, Reliability and Quality

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