The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 26, 2010
Filed:
Dec. 21, 2007
Roland A. Smith, Nepean, CA;
Stephen Rayment, Ottawa, CA;
Richard Sommerville, Nepean, CA;
Chris Williams, Nepean, CA;
Sam Onsy, Stittsville, CA;
Roland A. Smith, Nepean, CA;
Stephen Rayment, Ottawa, CA;
Richard Sommerville, Nepean, CA;
Chris Williams, Nepean, CA;
Sam Onsy, Stittsville, CA;
BelAir Networks Inc., Kanata, Ontario, CA;
Abstract
A system and method is provided for estimating the T1 timing error and clock recovery errors by processing timing information from the associated pseudowire packet stream(s) from which the T1 is derived. The timing errors are presented as MTIE measurements which are used to present alarms for a Network Operation Control centre and are used to accurately alarm error conditions where the regenerated or derived T1 signal does not meet MTIE or clock accuracy errors. This alarm is intended to detect conditions of excessive packet jitter, wander or phase transients which may exist in the data network over which the pseudowire stream is transported. In another aspect, the errors are used to control the regeneration of the T1 clock information.