Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2004-02-11
2009-08-25
Appiah, Charles N (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S450000, C455S509000, C370S468000, C370S335000, C370S342000, C370S465000
Reexamination Certificate
active
07580715
ABSTRACT:
A code division multiple access (CDMA) user device includes a CDMA transceiver, and a controller connected to the CDMA transceiver for establishing a communication session with a base station. The communication session includes a plurality of layers including a physical layer. The controller negotiates with the base station for an allocated bandwidth for the CDMA transceiver. The controller also establishes and releases a physical layer connection between the CDMA transceiver and the base station, and maintains a state of at least one other layer during the communication session after termination of the physical layer.
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Amalfitano Carlo
Gorsuch Thomas E.
Appiah Charles N
Contee Joy K
InterDigital Technology Corporation
Volpe and Koenig P.C.
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