Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-04-10
2007-04-10
Gesesse, Tilahun (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S561000, C455S013300
Reexamination Certificate
active
10795620
ABSTRACT:
A satellite is used to route push-to-send messages among terrestrial base stations. Reduced push-to-send delays thereby may be provided, when a source push-to-send radioterminal is widely separated from a destination push-to-send radioterminal. Satellite routing only may be used when the source push-to-send radioterminal and the destination push-to-send radioterminal are not communicating with a single terrestrial base station or with a group of terrestrial base stations that are proximate one another. A destination base station that is communicating with the destination push-to-send radioterminal may be determined at the satellite, at a satellite gateway and/or at a central server.
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Czylwik,Downlink Beamforming for Mobile Ra
Bogatin Boris
Deobald Brian M.
Dutta Santanu
Karabinis Peter D.
ATC Technologies LLC
Gesesse Tilahun
Myers Bigel Sibley & Sajovec P.A.
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