Communication time information in a network to enable synchronization
US8559412B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2007 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Jul 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J3/0667
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A first node in a network receives a timing packet containing time information, where the timing packet is originated by a time server. The first node then updates the time information in the timing packet to reflect a delay associated with communicating the timing packet over a network link. The first node then updates the time information in the timing packet to reflect the delay associated transfer of the timing packet through the node. The first node sends the timing packet with the updated time information to a second node to enable the second node to use the updated time information for synchronization of the second node. The process repeats across an arbitrary number of nodes to enable time alignment between the first node and final destination node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.