Pulse or digital communications – Repeaters – Testing
Patent
1988-04-29
1990-12-18
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
380 41, 381 29, H04B 110
Patent
active
049791885
ABSTRACT:
According to the invention, an information signal, such as a information signal, is sampled, quantized and processed digitally through an information encoder. Digitally processed samples produced by the encoder are modulated onto a communication channel to create channel symbols having a magnitude of modulation proportional to a characteristic of a respective digitally processed sample. Both a radio frequency (RF) transmission embodiment, and a wireline embodiment are provided. In a final aspect of the present invention, encryption is provided to ensure communication privacy.
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Crisler Kenneth J.
Hiben Bradley M.
Kotzin Michael D.
Mohl Lawrence M.
Poulin Mark R.
Berry Thomas G.
Chin Stephen
Motorola Inc.
Parmelee Steven G.
Safourek Benedict V.
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