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    Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception

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    oe-28-7-9111.pdf
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    Description:
    Final Article
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    Type
    Article
    Authors
    Alkhazragi, Omar cc
    Hu, Fangchen
    Zou, Peng
    Ha, Yinaer
    Kang, Chun Hong cc
    Mao, Yuan cc
    Ng, Tien Khee cc
    Chi, Nan cc
    Ooi, Boon S. cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering
    Electrical Engineering Program
    Photonics Laboratory
    KAUST Grant Number
    BAS/1/1614-01-01
    GEN/1/6607-01-01
    KCR/1/2081-01-01
    KCR/1/4114-01-01
    REP/1/2878-01-01
    Date
    2020-03-16
    Online Publication Date
    2020-03-16
    Print Publication Date
    2020-03-30
    Submitted Date
    2020-01-28
    Permanent link to this record
    http://hdl.handle.net/10754/662170
    
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    Abstract
    We demonstrated a high-speed 1×2 single-input and multiple-output (SIMO) diffuse-line-of-sight (diffuse-LOS) ultraviolet-C (UVC) solar-blind communication link over a distance of 5 meters. To approach the Shannon limit and improve the spectral efficiency, we implemented probabilistically shaped discrete multitone modulation. As compared to a single-input and single-output (SISO) counterpart, we observed significant improvement in the SIMO link in terms of the angle of view of the receiver and the immunity to emulated weather condition. A wide angle of view of ± 9° is achieved in the SIMO system, with up to a 1.09-Gbit/s achievable information rate (AIR) and a minimum value of 0.24 Gbit/s. Moreover, the bit error rate of the SIMO link in emulated foggy conditions is lowered significantly when compared to that of the SISO link. This work highlights the practicality of UVC communication over realistic distances and in turbulent environments to fill the research gap in high-speed, solar-blind communication.
    Citation
    Alkhazragi, O., Hu, F., Zou, P., Ha, Y., Kang, C. H., Mao, Y., … Ooi, B. S. (2020). Gbit/s ultraviolet-C diffuse-line-of-sight communication based on probabilistically shaped DMT and diversity reception. Optics Express, 28(7), 9111. doi:10.1364/oe.389262
    Sponsors
    King Abdullah University of Science and Technology (BAS/1/1614-01-01, GEN/1/6607-01-01, KCR/1/2081-01-01, KCR/1/4114-01-01, REP/1/2878-01-01); King Abdulaziz City for Science and Technology (KACST TIC R2-FP-008); National Natural Science Foundation of China (61925104); National Key Research and Development Program of China (2017YFB0403603).
    Publisher
    The Optical Society
    Journal
    Optics Express
    DOI
    10.1364/oe.389262
    Additional Links
    https://www.osapublishing.org/abstract.cfm?URI=oe-28-7-9111
    ae974a485f413a2113503eed53cd6c53
    10.1364/oe.389262
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Photonics Laboratory; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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