Simultaneous wireless information and power transfer in a two-user OFDM interference channel

  • Zati Bayani Zawawi
  • , Jaehyun Park
  • , Bruno Clerckx

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

    9 Citations (Scopus)

    Abstract

    In this paper, we study the Simultaneous Wireless Information and Power Transfer (SWIPT) in a Single-Input Single-Output (SISO) two-user Orthogonal Frequency Division Multiplexing (OFDM) Interference Channel (IFC). We assume that the transmitters are non-cooperative and have perfect knowledge of the local Channel State Information (CSI). We show that the necessary condition for the optimal transmission strategy at high SNR is for the energy transmitter to transmit its signal by allocating its transmit power on a single subcarrier. Accordingly, we propose a one-subcarrier selection method for the energy transmitter and identify the achievable rate-energy region. In addition, we further enlarge the achievable rate-energy region by enabling a basic form of transmitter cooperation where messages are exchanged to inform the energy transmitter about the subcarriers unutilized by the information transmitter.

    Original languageEnglish
    Title of host publication2015 12th International Symposium on Wireless Communication Systems, ISWCS 2015 - Proceedings
    PublisherVDE Verlag GmbH
    Pages266-270
    Number of pages5
    ISBN (Electronic)9781467365406
    DOIs
    Publication statusPublished - 2015 Apr 15
    Event12th International Symposium on Wireless Communication Systems, ISWCS 2015 - Brussels, Belgium
    Duration: 2015 Aug 252015 Aug 28

    Publication series

    NameProceedings of the International Symposium on Wireless Communication Systems
    Volume2016-April
    ISSN (Print)2154-0217
    ISSN (Electronic)2154-0225

    Other

    Other12th International Symposium on Wireless Communication Systems, ISWCS 2015
    Country/TerritoryBelgium
    CityBrussels
    Period15/8/2515/8/28

    Bibliographical note

    Publisher Copyright:
    © 2015 IEEE.

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering
    • Communication

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