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:
Sep. 06, 2011
Filed:
May. 08, 2006
Applicants:
Farshid Alizadeh-shabdiz, Wayland, MA (US);
Kaveh Pahlavan, Newton, MA (US);
Edward J. Morgan, Needham, MA (US);
Inventors:
Farshid Alizadeh-Shabdiz, Wayland, MA (US);
Kaveh Pahlavan, Newton, MA (US);
Edward J. Morgan, Needham, MA (US);
Assignee:
Skyhook Wireless, Inc., Boston, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01); H04W 4/00 (2009.01); H04W 36/00 (2009.01);
U.S. Cl.
CPC ...
Abstract
A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals transmitted by Wi-Fi access points in range of the Wi-Fi enabled device, and using the signals to estimate the speed of and/or direction of travel of the Wi-Fi enabled device.