Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-06-28
2010-06-15
Harper, Vincent P (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S404200, C455S456100, C455S456200
Reexamination Certificate
active
07738884
ABSTRACT:
Location position information of a mobile device utilizing Wi-Fi, FM, AM, television transmissions(s), other radio transmission(s), electromagnetic, acoustic, or other signals received from base stations or access points. The position information can be provided through a Web service and/or locally on a mobile user device. The position information can be provided with a certainty and/or uncertainty probability percentage or other perceivable means for the user to determine the expected accuracy of the location information. Also provided is a means for updating base station information to include newly detected base stations through information from a plurality of user devices, wherein each user device is given a reliance factor. User devices that have a low reliance factor are disregarded and/or scrutinized to determine accuracy prior to such information being utilized to update information. Functioning of the system can be improved through analysis of usage data and/or the additions to the database.
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Cheung Matthew Man Chung
Krumm John C.
Lombardi Steve J.
Sharma Anurag
Thota Chandrasekhar
Harper Vincent P
Microsoft Corporation
Sabouri Mazda
Woodcock & Washburn LLP
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