Determination of channel latency within a round-trip path

Details Determination of channel latency within a round-trip path Determination of channel latency within a round-trip path

2007-09-07

2011-11-22

Wong, Xavier Szewai (Department: 2462)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C398S025000, C398S156000

Reexamination Certificate

active

08064486

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.

REFERENCES:
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