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    Scintillations of RGB laser beams in weak temperature and salinity-induced oceanic turbulence

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    Type
    Conference Paper
    Authors
    Oubei, Hassan M. cc
    Sun, Xiaobin cc
    Ng, Tien Khee cc
    Alkhazragi, Omar
    Alouini, Mohamed-Slim cc
    Ooi, Boon S. cc
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Photonics Laboratory
    Date
    2018-10-18
    Permanent link to this record
    http://hdl.handle.net/10754/630584
    
    Metadata
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    Abstract
    Fluctuations in the optical signal intensity, known as scintillations, can severely degrade the performance of underwater wireless optical communication (UWOC) links. Using measurements data, this paper focuses on the variations of scintillations of red, green and blue (RGB) laser beams propagating in various weak turbulent water channels. The results show shorter wavelengths experience higher scintillation under the same turbulence. Moreover, the scintillation index decreases when the channel turbulence is dominated by temperature fluctuation. Furthermore, bit-error-rate (BER), which is a critical communication performance evaluation criterion, is also measured for the green laser under such turbulences. It is found that the turbulent UWOC link can still be retrievable in terms of BER performance when the turbulence is below a certain threshold. A steep increasing in BER occurs after the threshold.
    Citation
    Oubei HM, Sun X, Ng TK, Alkhazragi O, Alouini M-S, et al. (2018) Scintillations of RGB laser beams in weak temperature and salinity-induced oceanic turbulence. 2018 Fourth Underwater Communications and Networking Conference (UComms). Available: http://dx.doi.org/10.1109/ucomms.2018.8493227.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2018 Fourth Underwater Communications and Networking Conference (UComms)
    Conference/Event name
    4th Underwater Communications and Networking Conference, UComms 2018
    DOI
    10.1109/ucomms.2018.8493227
    Additional Links
    https://ieeexplore.ieee.org/document/8493227
    ae974a485f413a2113503eed53cd6c53
    10.1109/ucomms.2018.8493227
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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