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Title

Outage Performance Estimation of a MISO FSO System with OOK Signaling and Alamouti Type Space-Time Coding.

Authors

Khalid, Hira; Nistazakis, Hector E.; Muhammad, Sajid S.; Raza, Allah D.

Abstract

In this work, multi input and single output optical wireless communication (OWC) links are analyzed, assuming the channel experiences fading due to atmospheric turbulence. OOK signaling and Alamouti-type space-time coding with intensity modulation and direct detection is assumed for weak to strong turbulence conditions modeled with the gamma–gamma distribution and closed form analytical expressions for their outage probability are derived for the first time, to the best of our knowledge. Finally, the corresponding numerical results are obtained, through the obtained mathematical expressions. Performance of a multi input and single output channel is analyzed for its outage probability as a function of power to noise ratio and normalized threshold. Three different cases for strong, medium, and weak turbulences are investigated.

Subjects

SPACE-time codes; FREE-space optical technology; ATMOSPHERIC turbulence; MISO; OPTICAL communications; WIRELESS communications

Publication

Electronics (2079-9292), 2022, Vol 11, Issue 14, pN.PAG

ISSN

2079-9292

Publication type

Academic Journal

DOI

10.3390/electronics11142220

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