Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-04-28
2008-12-30
Appiah, Charles N (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456300, C455S067130, C455S067700, C455S414200
Reexamination Certificate
active
07471956
ABSTRACT:
A method for determining the location of an improved carrier signal emitted by a base station relative to the position of a communication device, the carrier signal having a signal strength, and the communication device having access to a digital map. A determination is made to determine the signal strength of the carrier signal at the current location of the communication device; locating an adjacent location on the digital map and determining the signal strength at the adjacent location; and in response to a greater signal strength being determined at the adjacent location, displaying the direction of the position of the adjacent location on the communication device.
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www.computerweekly.com, Article 102135.htm, IT Management: E-Business, “Location, Location, Location”, May 22, 2001.
Tim Kridel, “What's Inside Counts”, Wireless Review, Jun. 1, 2000.
Byford Derrick J.
Lanyon-Hogg Richard
Appiah Charles N
Contee Joy K.
Gundel Norman L.
Hoffman Warnick LLC
International Business Machines - Corporation
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