7. Link availability

The optical link is said to be unavailable when it no longer guarantees the required packet error rate for a certain period of time (typically a few seconds below the threshold). Optical link availability is linked to either terminal availability or propagation channel availability.

The unavailability of the optical link is given by :

\begin{array}{l} {indispo}_{totale} (t) \\ = {indispo}_{t e r m i n a l 1} (t) \end{array}

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Conclusion

Bibliography

(1) - PLANCHE (G.), CHORVALLI (V.) - SILEX in-orbit performances. - In International Conference on Space Optics – ICSO 2004, In SPIE – SPIE, vol. 10568, p. 668-676 (2018).
(2) - CAZAUBIEL (V.), PLANCHE (G.), CHORVALLI (V.), LE HORS (L.), ROY (B.), GIRAUD (E.), VAILLON...