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.

Date of Patent:
Mar. 12, 2019

Filed:

Feb. 28, 2017
Applicant:

Airmagnet, Inc., Santa Clara, CA (US);

Inventors:

Yu Zhang, Beijing, CN;

Dong Wang, Beijing, CN;

Guangzhi Zhang, Beijing, CN;

Tengjiao Sun, Beijing, CN;

Kent Laver, Colorado Springs, CO (US);

Assignee:

AirMagnet, Inc., Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/24 (2006.01); H04L 12/807 (2013.01);
U.S. Cl.
CPC ...
H04L 43/0852 (2013.01); H04L 41/0681 (2013.01); H04L 43/024 (2013.01); H04L 43/0858 (2013.01); H04L 43/16 (2013.01); H04L 47/27 (2013.01); H04L 41/06 (2013.01);
Abstract

A method of monitoring a network is provided that includes receiving a stream of samples having respective network delay values; defining at least one first group of samples having a size defined by a window size; determining respective first network delay characteristics for the first groups based on the network delay values corresponding to the respective samples included in the corresponding group; applying a first test to the first network delay characteristic determined for the respective first groups; adjusting the window size based on a result of the first test associated with the respective first groups; using the adjusted window size, define respective second groups of samples having samples of the stream of samples subsequent to the samples included in the at least one first group; determining a second network delay characteristic for the respective second groups; applying a second test to the second network delay characteristics; and determining whether to generate an alert notification based on a result of at least one of the first and second tests.


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