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:
Nov. 27, 2018
Filed:
Jan. 30, 2015
University of North Dakota, Grand Forks, ND (US);
Jun Liu, Grand Forks, ND (US);
University of North Dakota, Grand Forks, ND (US);
Abstract
A method for use with a packet communication network includes receiving a plurality of packets at a sink node, calculating a one-way sink packet inter-arrival time between a first packet and a second packet received by the sink node according to a local sink clock time, calculating a one-way source packet inter-arrival time between the first packet and the second packet received by the sink node according to a local source clock time encapsulated in the first and second packets, estimating a ratio of clock skew between the source node and the sink node as a function of the one-way sink packet inter-arrival time and the one-way source packet inter-arrival time, and performing a calibration action in the network as a function of the ratio of clock skew between nodes.