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Sequential Optimization of Adaptive Arrays in Coherent Laser Communications

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2 Author(s)
Belmonte, A. ; Dept. of Signal Theor. & Commun., Tech. Univ. of Catalonia, Barcelona, Spain ; Kahn, J.M.

In optical wireless communications, a channel-matched adaptive coherent receiver may be implemented using an array of receive apertures. After atmospheric channel fading estimation, several replicas of a message received through the atmosphere are combined. As an alternative to training-based channel estimation, we analyze the performance of sequential techniques for direct optimization of multi-aperture array receivers in free-space coherent laser communications.

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Lightwave Technology, Journal of  (Volume:31 ,  Issue: 9 )