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. 04, 2008
Filed:
Nov. 19, 2004
Shrinivas Kharvandikar, Mumbai, IN;
Pravin Bhagwat, Kendall Park, NJ (US);
Shrinivas Kharvandikar, Mumbai, IN;
Pravin Bhagwat, Kendall Park, NJ (US);
AirTight Networks, Inc., Mountain View, CA (US);
Abstract
Methods and systems for detecting a masquerading wireless device in a local area network are provided. The method includes receiving a first packet and a second packet. Preferably, the first packet includes a first identity information and a first time information, and the second packet includes a second identity information and a second time information. The method can compute, using the first time information, a first approximation to a starting time of a wireless device associated with the first identity information. The method can also compute, using the second time information, a second approximation to a starting time of a wireless device associated with the second identity information. The method further includes determining whether a masquerading wireless device is present in the local area network based on at least the first and second approximations.