Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2006-07-18
2006-07-18
Urban, Edward F. (Department: 2685)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S041200, C455S463000, C379S202010, C379S203010, C340S870030, C340S870030
Reexamination Certificate
active
07079857
ABSTRACT:
A method and apparatus for arbitrating between a first communication device having floor control in a group communication network and a second communication device competing for floor control provides receiving a floor-control request from the second communication device, comparing respective priority levels of the first communication device and the second communication device, and granting floor control to the second communication device if the second communication device has a higher or equal priority level. In one embodiment, the controller receives the request for floor control from a push-to-talk (PTT) device.
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TR45; Data Service Options for Spread Spectrum Systems: Async Data and Fax Services; Mar. 1999.
Crockett Douglas M.
Maggenti Mark
Rosen Eric
Ciccozzi John L.
Nguyen Thuan
O'Connell Robert J.
Qualcomm Inc.
Urban Edward F.
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