Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1991-10-04
1993-10-26
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455 69, 375107, 375109, H04B 700
Patent
active
052574040
ABSTRACT:
A simulcast transmission system (10) and method provides for time synchronizing data transmissions from a plurality of transmission stations (16, 18). The transmission stations (16, 18) include transmission clocks (36) for controlling the time of transmission of synchronization timing signals and data. The synchronization timing signals indicate a local time of transmission which are transmitted in response to system timing signals received from the control station (12). The control station (12) comprises apparatus (20) for generating and distributing the system timing signals, apparatus (26) for receiving the synchronization timing signals from the transmission stations, and apparatus (20, 22, 28) for generating and distributing time adjustment factor signals to the transmission stations (16, 18) in response to receiving the synchronization timing signals. The transmission clocks (36) are adjusted in response to the time adjustment factor signals for controlling the time of transmission of the data signals.
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Goreham Steven A.
Vanderspool, II Jan P.
Berry Thomas G.
Collopy Daniel R.
Eisenzopf Reinhard J.
Faile Andrew
Macnak Philip P.
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