Clock synchronisation over a packet network
US7817673B2 · kind B2 · utility
12Cited by
18References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2008 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Oct 15, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/0664
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of synchronising first and second clocks coupled respectively to ingress and egress interfaces 6,7 of a packet network 1, the method comprising calculating a minimum packet Transit Time over the network 1 in each of successive time intervals, and varying the frequency of the second clock so as to track variations in the minimum packet Transit Time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.