Time transfer using an asynchronous computer network: Results from three weeks of measurements
Paper in proceeding, 2007
We have performed a time transfer experiment
between two atomic clocks, over a distance of approximately 75
km using an 10 Gbit/s asynchronous fiber-optic computer
network. The time transfer was accomplished through passive
listening on existing data traffic and a pilot sequence in the SDH
bit stream. In order to assess the fiber-link clock comparison, we
simultaneously compared the clocks using a GPS carrier phase
link. The standard deviation of the difference between the two
time transfer links over the three-week time period was 243 ps.
Author
Sven-Christian Ebenhag
Chalmers, Microtechnology and Nanoscience (MC2), Photonics
R. T. Kenneth Jaldehag
Per Olof E Hedekvist
Chalmers, Microtechnology and Nanoscience (MC2), Photonics
Ragne Emardson
Per O. J. Jarlemark
Carsten Rieck
Chalmers, Department of Radio and Space Science
Mattias Nilsson
Jan Johansson
Chalmers, Department of Radio and Space Science, Space Geodesy and Geodynamics
Leslie Pendrill
Peter Löthberg
Håkan Nilsson
European Frequency and Time Forum, 29/5 - 1/6, Geneva, CH
Subject Categories
Telecommunications