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    On the performance of hybrid RF and RF/FSO dual-hop transmission systems

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    Type
    Conference Paper
    Authors
    Ansari, Imran Shafique cc
    Yilmaz, Ferkan
    Alouini, Mohamed-Slim cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Communication Theory Lab
    Date
    2013-10
    Permanent link to this record
    http://hdl.handle.net/10754/564813
    
    Metadata
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    Abstract
    In this work, we present the performance analysis of a dual-branch transmission system composed of a direct radio frequency (RF) link and a dual-hop relay composed of asymmetric RF and free-space optical (FSO) links. The FSO link accounts for pointing errors and both types of detection techniques (i.e. intensity modulation/direct detection (IM/DD) as well as heterodyne detection). The performance is evaluated under the assumption of selection combining (SC) diversity scheme. RF links are modeled by Rayleigh fading distribution whereas the FSO link is modeled by a unified Gamma-Gamma fading distribution. Specifically, we derive new exact closed-form expressions for the cumulative distribution function, probability density function, moment generating function, and moments of the end-to-end signal-to-noise ratio of such systems in terms of the Meijer's G function. We then capitalize on these results to offer new exact closed-form expressions for the outage probability, higher-order amount of fading, average error rate for binary and M-ary modulation schemes, and ergodic capacity, all in terms of Meijer's G functions. © 2013 IEEE.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2013 2nd International Workshop on Optical Wireless Communications (IWOW)
    Conference/Event name
    2013 2nd International Workshop on Optical Wireless Communications, IWOW 2013
    DOI
    10.1109/IWOW.2013.6777774
    ae974a485f413a2113503eed53cd6c53
    10.1109/IWOW.2013.6777774
    Scopus Count
    Collections
    Conference Papers; Electrical Engineering Program; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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