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    Free-space optical channel characterization and experimental validation in a coastal environment

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    oe-26-6-6614.pdf
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    Type
    Article
    Authors
    Alheadary, Wael cc
    Park, Kihong cc
    Alfaraj, Nasir cc
    Guo, Yujian
    Stegenburgs, Edgars cc
    Ng, Tien Khee cc
    Ooi, Boon S. cc
    Alouini, Mohamed-Slim cc
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Photonics Laboratory
    KAUST Grant Number
    BAS/1/1614-01-01
    Date
    2018-03-05
    Online Publication Date
    2018-03-05
    Print Publication Date
    2018-03-19
    Permanent link to this record
    http://hdl.handle.net/10754/627325
    
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    Abstract
    Over the years, free-space optical (FSO) communication has attracted considerable research interest owing to its high transmission rates via the unbounded and unlicensed bandwidths. Nevertheless, various weather conditions lead to significant deterioration of the FSO link capabilities. In this context, we report on the modelling of the channel attenuation coefficient (β) for a coastal environment and related ambient, considering the effect of coastal air temperature (T), relative humidity (RH) and dew point (TD) by employing a mobile FSO communication system capable of achieving a transmission rate of 1 Gbps at an outdoor distance of 70 m for optical beam wavelengths of 1310 nm and 1550 nm. For further validation of the proposed models, an indoor measurement over a 1.5 m distance utilizing 1310 nm, 1550 nm, and 1064 nm lasers was also performed. The first model provides a general link between T and β, while the second model provides a relation between β, RH as well as TD. By validating our attenuation coefficient model with actual outdoor and indoor experiments, we obtained a scaling parameter x and decaying parameter c values of 19.94, 40.02, 45.82 and 0.03015, 0.04096, 0.0428 for wavelengths of 1550, 1310, 1064 nm, respectively. The proposed models are well validated over the large variation of temperature and humidity over the FSO link in a coastal region and emulated indoor environment.
    Citation
    Alheadary WG, Park K-H, Alfaraj N, Guo Y, Stegenburgs E, et al. (2018) Free-space optical channel characterization and experimental validation in a coastal environment. Optics Express 26: 6614. Available: http://dx.doi.org/10.1364/oe.26.006614.
    Sponsors
    King Abdullah University of Science and Technology (KAUST) baseline funding (BAS/1/1614-01-01); King Fahd University of Petroleum and Minerals (KFUPM) Initiative (REP/1/2878).
    Publisher
    The Optical Society
    Journal
    Optics Express
    DOI
    10.1364/oe.26.006614
    Additional Links
    https://www.osapublishing.org/oe/abstract.cfm?uri=oe-26-6-6614
    ae974a485f413a2113503eed53cd6c53
    10.1364/oe.26.006614
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Communication Theory Lab; Photonics Laboratory; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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