Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2008-04-15
2008-04-15
Anwah, Olisa (Department: 2614)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C370S331000, C455S456100
Reexamination Certificate
active
09934196
ABSTRACT:
A method and apparatus to transmit data between a communication network and a mobile station just before prior to the mobile station switching from a fast data rate mode, such as digital mode, to a slow data rate mode, such as analog mode. The mobile station requests or the communication network transmits data prior to the mobile station entering the slow data rate mode, therefore eliminating the need to transmit data over a slow data rate mode, such as analog mode.
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patent: 6215811 (2001-04-01), Yuen
patent: 6222483 (2001-04-01), Twitchell et al.
patent: 6327471 (2001-12-01), Song
patent: 6456858 (2002-09-01), Streter
patent: 6704571 (2004-03-01), Moon
patent: 7149534 (2006-12-01), Bloebaum et al.
patent: 2001/0014604 (2001-08-01), Kingdon et al.
patent: 2006/0013165 (2006-01-01), Choi et al.
Anwah Olisa
Cygan Joseph T.
Motorola Inc.
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