Clock skew estimation and removal

Provided herein is a linear programming-based algorithm to estimate the clock skew in network delay measurements based on one-way delay measurements. The algorithm has the time complexity of O(N), leaves the delay after the skew removal positive, and is robust in the sense that the error margin of t...

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Bibliographic Details
Main Authors SKELLY PAUL, MOON SUE B, TOWSLEY DON
Format Patent
LanguageEnglish
Published 09.12.2003
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Provided herein is a linear programming-based algorithm to estimate the clock skew in network delay measurements based on one-way delay measurements. The algorithm has the time complexity of O(N), leaves the delay after the skew removal positive, and is robust in the sense that the error margin of the skew estimate is independent of the magnitude of the skew. The algorithm is understood to be unbiased, and the sample variance of the skew estimates is small.
Bibliography:Application Number: US19990273001