Optical Communication 2012
DOI: 10.5772/48284
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Terrestrial Coherent Free-Space Optical Communication Systems

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Cited by 23 publications
(18 citation statements)
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“…Atmospheric Turbulence Models 1) Lognormal (LN) Turbulence Scenario: The optical turbulence can be modeled as LN distribution when the optical channel is considered as a clear-sky atmospheric turbulence channel [11]. Hence, for weak turbulence conditions, reference [7] suggested a LN PDF to model the irradiance that is the power density of the optical beam.…”
Section: Channel and System Modelmentioning
confidence: 99%
See 1 more Smart Citation
“…Atmospheric Turbulence Models 1) Lognormal (LN) Turbulence Scenario: The optical turbulence can be modeled as LN distribution when the optical channel is considered as a clear-sky atmospheric turbulence channel [11]. Hence, for weak turbulence conditions, reference [7] suggested a LN PDF to model the irradiance that is the power density of the optical beam.…”
Section: Channel and System Modelmentioning
confidence: 99%
“…Hence, for weak turbulence conditions, reference [7] suggested a LN PDF to model the irradiance that is the power density of the optical beam. Employing weak turbulence conditions, with a log-scale parameter λ, the LN PDF of the irradiance I a L is given by (please refer to [7], [11] and references therein) …”
Section: Channel and System Modelmentioning
confidence: 99%
“…To capture the scintillation effect, various statistical models have been proposed namely log‐normal model, gamma–gamma model, K‐distribution model, I–K model, Rayleigh model and log‐normal Rician model etc. [6]. Jakeman and Pusey [7] in 1978 demonstrated the significance of K‐distribution.…”
Section: Introductionmentioning
confidence: 99%
“…Kiasaleh [10] in his paper notes that K‐distribution can fruitfully be used when scintillation index σSI2 is found to lie in the range false(2,3false). For moderate propagation distances, the signal intensity can approximately be modelled by the K‐distribution [6, 1012].…”
Section: Introductionmentioning
confidence: 99%
“…Como a propagação se dá através da atmosfera, efeitos de absorção, espalhamento e turbulência estão presentes e provocam desvanecimento do sinal recebido no receptor. Considerando que o efeito desta turbulência atmosférica pode diminuir o desempenho desses sistemas, uma estratégia interessante, é a utilização codificação de canal com entrelaçamento [2]. Uma outra consideração importante no projeto de sistemas de comunicação codificados, é o conhecimento prévio no receptor do estado de degradação imposto pelo canal ao sinal transmitido.…”
Section: Introductionunclassified