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12 July 2023 Design and validation of a new coding and synchronization layer for space optical communications
Géraldine Artaud, Jean-Frederic Chouteau, Lyonel Barthe, Benjamin Gadat, Thomas Anfray, Sylvain Poulenard, Alain Dominique Thomas, Alain Quentel
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Proceedings Volume 12777, International Conference on Space Optics — ICSO 2022; 127774S (2023) https://doi.org/10.1117/12.2690888
Event: International Conference on Space Optics — ICSO 2022, 2022, Dubrovnik, Croatia
Abstract
The article presents a communication chain designed for space-earth optical data transmissions , and in particular the coding and synchronization layer including a new Forward Error Correction (FEC) based on LDPC codes combined with a flexible interleaver, a variable data rate scheme, and the framing for frame synchronization and in-band signaling. The communication chain is currently under validation in an end to end test bed in laboratory, and will be used for two in orbit demonstration missions in 2023 and 2024.
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Géraldine Artaud, Jean-Frederic Chouteau, Lyonel Barthe, Benjamin Gadat, Thomas Anfray, Sylvain Poulenard, Alain Dominique Thomas, and Alain Quentel "Design and validation of a new coding and synchronization layer for space optical communications", Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127774S (12 July 2023); https://doi.org/10.1117/12.2690888
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KEYWORDS
Receivers
Optical communications
Avalanche photodetectors
Forward error correction
Astronomical imaging
Optical transmission
Modulation
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