Determination of channel latency within a round-trip path
US8064486B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 7, 2007 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Jul 28, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/0864
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention provides a system, apparatus, and method for determining latency differences in channels within a link at a single test site. In particular, the method allows for a single transmitting device to determine distinct latency differences on both transmitter and receiver-side paths without requiring a terminating node on the other side of the connection. In other words, a switch is used, in lieu of such a terminating node, at the other side of the paths that switches at least one channel's content onto another channel and sends it back for a round trip on various transmitter-and-receiver-side-paths combinations. The present invention is based on round trip measurements and switching capability of the receiving node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.