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4 June 2020 Reciprocity-enhanced transmitter diversity for lasercom
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Proceedings Volume 11272, Free-Space Laser Communications XXXII; 1127209 (2020) https://doi.org/10.1117/12.2548463
Event: SPIE LASE, 2020, San Francisco, California, United States
Abstract
For some free-space laser communications (lasercom) links impacted by atmospheric-induced scintillation, the principle of reciprocity provides knowledge of a remote terminal's received intensity fluctuations based on measurements of the local terminal's received intensity fluctuations. We evaluate a reciprocity-enhanced technique using optical switching between multiple spatially-diverse transmit apertures to mitigate against atmospheric-induced scintillation. Experimental bit-error rate measurements are presented to quantify the expected performance of this approach in comparison to standard static diversity approaches. We investigate system constraints of this reciprocity-enhanced transmitter diversity approach, and identify candidate optical switches and digital logic for implementation.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jeffrey M. Roth, Alexander A. Knoedler, Ronald R. Parenti, Shankararaman Ramakrishnan, Jeffrey R. Minch, and John D. Moores "Reciprocity-enhanced transmitter diversity for lasercom", Proc. SPIE 11272, Free-Space Laser Communications XXXII, 1127209 (4 June 2020); https://doi.org/10.1117/12.2548463
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