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    Achievable Rate-Region of VLC/RF Communications with an Energy Harvesting Relay

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    Type
    Conference Paper
    Authors
    Zenaidi, Mohamed Ridha
    Rezki, Zouheir
    Abdallah, Mohamed
    Qaraqe, Khalid A.
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2018-01-15
    Online Publication Date
    2018-01-15
    Print Publication Date
    2017-12
    Permanent link to this record
    http://hdl.handle.net/10754/630411
    
    Metadata
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    Abstract
    Visible light communication (VLC) is an effective alternative technology to overcome the limitations related to the radio frequency (RF) spectrum. In the modern day of communication systems, the energy harvesting (EH) technique is considered as a promising technology to design more energy efficient communication systems. Integrating VLC with the EH technology in wireless networks guaranties the reliability of these networks. In this paper, we consider a dual-hop VLC/RF wireless communication, composed of two Light Emitting Diodes (LEDs) and two receivers, assisted by a decode-And-forward (DF) relaying system operating with EH in order to boost the coverage of VLC systems. Using successive interference cancellation, we derive achievable rates of both users. Afterwards, we determine the achievable rate-region for this communication system where we show that this region can take four shapes depending on the communication scenario. Then, we formulate the achievable rate-region maximization problem, and we develop solution to find the optimal design for the EH time switching protocol. Further, we show that EH enhances the performance of the communication system in a certain regime of its initial power. We finally present selected numerical result to verify the analytic results.
    Citation
    Zenaidi MR, Rezki Z, Abdallah M, Qaraqe KA, Alouini M-S (2017) Achievable Rate-Region of VLC/RF Communications with an Energy Harvesting Relay. GLOBECOM 2017 - 2017 IEEE Global Communications Conference. Available: http://dx.doi.org/10.1109/GLOCOM.2017.8254192.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    GLOBECOM 2017 - 2017 IEEE Global Communications Conference
    Conference/Event name
    2017 IEEE Global Communications Conference, GLOBECOM 2017
    DOI
    10.1109/GLOCOM.2017.8254192
    Additional Links
    https://ieeexplore.ieee.org/document/8254192/
    ae974a485f413a2113503eed53cd6c53
    10.1109/GLOCOM.2017.8254192
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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