Figure 1: Focus on In-situ determination of fiber delay coefficient (alpha)
General
White Rabbit uses bidirectional wavelengths over a single fiber. Due to
chromatic dispersion the forward- and backward propagation delay over
the fiber differs. This difference is expressed in the WR asymmetry
coefficient alpha which is a fiber property.
WR users used to measure the asymmetry coefficient in the laboratory
before the fiber is deployed and used in a WR network. This is not
feasible when WR is deployed in existing networks. Moreover, there is a
need to verify and monitor the asymmetry coefficient in existing
networks.
Currently the work on in-situ determination of the Alpha parameter is in a laboratory state and work is in progress.
Documentation and Tools
Acknowledgement
Part of this work is funded by The 17IND14 project.
This project has received funding from the EMPIR programme co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.
Contacts
Status
Date | Event |
---|---|
24-02-16 | Start of project |
17-07-17 | Made this sub sub-wiki page |
Last updated: 20 Sep 2019