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Wiedeman Robert A: Multiple vocoder mobile satellite telephone system. Globalstar, July 28, 1999: EP0932265-A2 (2 worldwide citation)

A user terminal (16) includes an RF transceiver (30) for transmitting modulated RF signals to a gateway (14) and for receiving modulated RF signals from the gateway via at least one satellite (112). The satellite may be a GEO or a non-GEO satellite. The user terminal further includes a signal proces ...


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Wiedeman Robert A: Multiple vocoder mobile satellite telephone system. Globalstar, GREEN Clarence A, July 29, 1999: WO/1999/038336

A user terminal (46) includes an RF transceiver (30) for transmitting modulated RF signals to a gateway (14) and for receiving modulated RF signals from the gateway via at least one satellite (112). The satellite may be a GEO or a non-GEO satellite. The user terminal further includes a signal proces ...