Telecommunications – Transmitter and receiver at separate stations – Optimum frequency selection
Reexamination Certificate
2007-12-25
2007-12-25
Cumming, William D. (Department: 2617)
Telecommunications
Transmitter and receiver at separate stations
Optimum frequency selection
C455S077000, C455S417000, C455S419000, C455S432300, C455S432100, C455S434000, C455S435200, C370S335000, C370S337000
Reexamination Certificate
active
11070584
ABSTRACT:
Systems and methods are provided for processing a digital only call origination request. When the digital call is released, a wireless communication device does not scan for a more preferred communication system, even if the wireless communication device has acquired a less preferred communication system. Instead, the device continues to be locked onto the current system. The device may wait until the expiration of a re-scan timer.
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