Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2003-02-26
2009-11-03
Appiah, Charles N (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456100, C709S223000
Reexamination Certificate
active
07613469
ABSTRACT:
A method for estimating the location of a terminal operating in a communication system having at least two networks having overlapping areas of coverage, each network supporting at least one method for estimating the location of the terminal, and the terminal being in communication with a first one of the networks, the method comprising: assessing which of the networks is likely to form the more accurate estimate of the location of the terminal; and if that is the first one of the networks, estimating the location of the terminal by means of the first one of the networks, and if that is a second one of the networks, handing over the terminal to the second one of the networks and estimating the location of the terminal by means of the second one of the networks.
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Canadian Office Action issued on May 31, 2007.
Back Juha
Hulkkonen Tony
Muhonen Janne
Appiah Charles N
Ditthavong Mori & Steiner, P.C.
Doan Kiet
Nokia Corporation
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