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    Relay Assisted OFDM with Subcarrier Number Modulation in Multi-Hop Cooperative Networks

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    Type
    Article
    Authors
    Dang, Shuping
    Zhou, Jiusi cc
    Shihada, Basem cc
    Alouini, Mohamed-Slim cc
    KAUST Department
    Communication Theory Lab
    Computer Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering
    Electrical Engineering Program
    Networks Laboratory (NetLab)
    Date
    2020-07-02
    Online Publication Date
    2020-07-02
    Print Publication Date
    2020-11
    Permanent link to this record
    http://hdl.handle.net/10754/663988
    
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    Abstract
    Orthogonal frequency-division multiplexing (OFDM) with subcarrier number modulation (OFDM-SNM) manifests its superior nature of high spectral efficiency (SE) and low complexity for signal estimation. To exploit the spatial gain of OFDM-SNM, we propose a relay assisted OFDM-SNM scheme for multi-hop cooperative systems in this letter. It is stipulated that a relay operated by decode-and-forward (DF) and half-duplex (HD) protocols exists in each hop. We analyze the outage performance of the relay assisted OFDM-SNM system. The average outage probability is approximated in closed form. Moreover, to reveal the diversity and coding gains of relay assisted OFDM-SNM, we explore the asymptotic outage performance at high signal-to-noise ratio (SNR) by power series expansion. To verify the improvement on outage performance and energy efficiency, we carry out the comparison among different multi-hops systems with traditional OFDM-SNM fixing a certain distance from source to destination. Simulation results corroborate the derived outage probabilities and provide insight into the proposed system in this letter.
    Citation
    Dang, S., Zhou, J., Shihada, B., & Alouini, M.-S. (2020). Relay Assisted OFDM with Subcarrier Number Modulation in Multi-Hop Cooperative Networks. IEEE Wireless Communications Letters, 1–1. doi:10.1109/lwc.2020.3006622
    Publisher
    IEEE
    Journal
    IEEE Wireless Communications Letters
    DOI
    10.1109/LWC.2020.3006622
    arXiv
    2007.03416
    Additional Links
    https://ieeexplore.ieee.org/document/9131845/
    https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9131845
    ae974a485f413a2113503eed53cd6c53
    10.1109/LWC.2020.3006622
    Scopus Count
    Collections
    Articles; Computer Science Program; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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