Title :
Slave to Master Clock synchronization via TCP/IP for time distribution and remote calibration applications
Author :
Bernier, Laurent-Guy ; Stefanov, André
Author_Institution :
Time & Freq. Lab., METAS Fed. Office of Metrol., Bern-Wabern, Switzerland
Abstract :
The goal is to distribute UTC(CH) in a remote location via TCP/IP. The MC (Master Clock) is locked to UTC(CH) via a combination of IRIG-B and 1-PPS signals. The SC (Slave Clock) is controlled by a PI control loop that tracks the MC. The SC-MC clock offset and the transmission delay are estimated simultaneously by means of a TW (Two-Way) comparison process similar to NTP but based on TCP/IP.
Keywords :
PI control; calibration; clocks; delay estimation; synchronisation; telecontrol; transport protocols; 1-PPS signal; IRIG-B signal; PI control loop; SC-MC clock offset; TCP/IP; UTC(CH) distribution; master clock synchronization; remote calibration application; slave clock; time distribution; transmission delay estimation; two-way comparison; Clocks; Delay; IP networks; Noise; Relays; Switches; Synchronization;
Conference_Titel :
Frequency Control and the European Frequency and Time Forum (FCS), 2011 Joint Conference of the IEEE International
Conference_Location :
San Fransisco, CA
Print_ISBN :
978-1-61284-111-3
DOI :
10.1109/FCS.2011.5977797
