Research of diversity receiving in wireless laser communications

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Research of diversity receiving in wireless laser communications
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Fund Project:This work has been supported by the National Natural Science Foundation of China （Nos.61377080 and 60977054）, Shaanxi Province ＂13115＂ Science and Technology Planning Support （No.2011KTCQ01-31）, Education Department of Shaanxi Province Industrialization Development Fund （No.2010JC17）, Xi＇an Science and Technology Achievement Transformation Fund （No.CX12165）, Project Supported by Natural Science Basic Research Plan in Shaanxi Province of China （No.2013JQ8011）, Scientific Research Program Funded by Shaanxi Provincial Education Department （No.2013JK1104）, and Technology Projects of Industrial Research of Shaanxi Province （No.2013K06-08）.

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Abstract:

Based on aperture averaging effects on scintillation, a diversity reception system consisting of three apertures has been designed. The transmitted laser beam (λ=1.06 μm) propagates for 3 km, and is received through apertures with different sizes. Various numbers and configurations of apertures are studied to investigate the received laser beam’s spatial profile and quality. Our results show that the diversity reception system with three apertures can suppress atmospheric scintillation with relatively simple configuration and low cost.

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Xi-zheng Ke, Tong Zhang. Research of diversity receiving in wireless laser communications[J]. Optoelectronics Letters,2014,10(4):285-289

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