Telecommunications – Transmitter and receiver at same station – Having particular configuration of a transceiver
Reexamination Certificate
2004-02-27
2010-11-23
Nguyen, Tuan H (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Having particular configuration of a transceiver
C455S515000, C455S517000, C455S518000, C455S519000
Reexamination Certificate
active
07840192
ABSTRACT:
A method, system, and user device are provided for provisioned talkgroup identifier discovery in a dispatch or similar network, in which a user is provided with a list of talkgroups provisioned for the user device. In some embodiments a new request message sent from the user device is implemented to effect a response from the network providing the information. In other embodiments the provision of the information is provided by a new message automatically sent from the network to the user device at a specific time. In yet other embodiments, the user device attempts to join every group to test which groups are provisioned for it.
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Rao Padakandla Krishna
Yau Sing Janus
Nguyen Tuan H
Research in Motion Limited
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