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Citació: Belmonte, A.; Kahn, J. Performance analysis of atmospheric field conjugation adaptive arrays. A: Free-Space Laser Communication Technologies. "Free-Space Laser Communication Technologies XXIII". San Francisco: Hamid Hemmati, 2011, p. 1-9.
Títol: Performance analysis of atmospheric field conjugation adaptive arrays
Autor: Belmonte Molina, Aniceto Veure Producció científica UPC; Kahn, Joseph M.
Editorial: Hamid Hemmati
Data: 2011
Tipus de document: Conference report
Resum: System configurations based on single monolithic-apertures that are immune to atmospheric fluctuations are being developed. Main goal is the improvement of the performance achievable in coherent, free-space optical communication systems using atmospheric compensation techniques such as adaptive optics. As an alternative to a single monolithicaperture coherent receiver with a full-size collecting area, a large effective aperture can be achieved by combining the output signal from an array of smaller receivers. We study the communication performance of field conjugation adaptive arrays applied in synchronous laser communication through the turbulent atmosphere. We assume that a single information-bearing signal is transmitted over the atmospheric fading channel, and that the adaptive array coherent receiver combines multiple dependent replicas to improve detection efficiency. We consider the effects of log-normal amplitude fluctuations and Gaussian phase fluctuations, in addition to local oscillator shot noise. We study the effect of various atmospheric parameters and the number of branches combined at the receiver.
ISBN: 9780819484604
URI: http://hdl.handle.net/2117/12281
DOI: 10.1117/12.873056
Versió de l'editor: http://spie.org/x648.html?product_id=873056
Apareix a les col·leccions:Departament de Teoria del Senyal i Comunicacions. Ponències/Comunicacions de congressos
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