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    Multidimensional OAM-Based Secure High-Speed Wireless Communications

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    Multidimensional_OAM_wireless_ ...
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    Description:
    Final Accepted Manuscript
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    Author
    Djordjevic, Ivan B. cc
    Affiliation
    Univ Arizona, Coll Engn, Dept Elect & Comp Engn
    Univ Arizona, Coll Opt Sci
    Issue Date
    2017
    Keywords
    Coded modulation
    forward error correction
    physical-layer security
    low-density parity-check codes
    multidimensional signaling
    OAM antennas
    wireless communications
    
    Metadata
    Show full item record
    Publisher
    IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
    Citation
    I. B. Djordjevic, "Multidimensional OAM-Based Secure High-Speed Wireless Communications," in IEEE Access, vol. 5, pp. 16416-16428, 2017. doi: 10.1109/ACCESS.2017.2735994
    Journal
    IEEE ACCESS
    Rights
    Copyright © 2017, IEEE.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    To address key challenges for beyond 5G wireless technologies in a simultaneous manner, we propose an orbital angular momentum (OAM)-based, secure, energy-efficient multidimensional coded modulation. The key idea is to employ all available degrees of freedom (DOFs) to convey the information over the wireless links, including amplitude, phase, polarization state, and spatial-domain DOFs. In particular, the OAM is associated with the azimuthal phase dependence of the wavefront, and represents an underutilized DOF. Given that OAM eigenstates are orthogonal, an arbitrary number of bits per symbol can be transmitted. Here, we propose utilizing OAM DOF not only to improve spectral and energy efficiencies, but also to significantly improve the physical-layer security of future wireless networks. To implement the OAM multiplexer and demultiplexer in the RF domain, we propose using properly designed antenna arrays. We also propose employing the Slepian sequences as either basis functions in baseband or impulse responses of antenna arrays in passband to further increase the dimensionality of the wireless system and enable beyond 1-Tb/s wireless transmission. Monte Carlo simulations demonstrate high tolerance to fading effects of LDPC-coded multidimensional signaling schemes compared with the conventional LDPC-coded QAM.
    ISSN
    2169-3536
    DOI
    10.1109/ACCESS.2017.2735994
    Version
    Final accepted manuscript
    Additional Links
    http://ieeexplore.ieee.org/document/8002571/
    ae974a485f413a2113503eed53cd6c53
    10.1109/ACCESS.2017.2735994
    Scopus Count
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    UA Faculty Publications

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