System and method for transmitting plural information waveforms

Details System and method for transmitting plural information waveforms System and method for transmitting plural information waveforms

1994-06-10

1996-02-27

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 691, 370 74, 3701104, 455 72, 333 14, 333 16, H04B 164, H04J 318

Patent

active

054954681

ABSTRACT:
At least two information waveforms are transmitted over the same communications channel using Lincompex techniques. Each of the information waveforms are modulated using Lincompex techniques to generate compressed information waveforms and associated control tones. The compressed information waveforms have the same frequency band. The compressed information waveforms and associated control tones are arithmetically combined, and transmitted over a transmission medium. These signals are then received from the transmission medium. A plurality of Lincompex expanders demodulate the received signals using Lincompex techniques and one of the associated control tones.

REFERENCES:
patent: 4271499 (1981-06-01), Leveque
patent: 4347616 (1982-08-01), Murakami
patent: 4512013 (1985-04-01), Nash et al.
patent: 4907217 (1990-03-01), Leveque
patent: 5058202 (1991-10-01), Leveque
patent: 5280537 (1994-01-01), Sugiyama et al.
patent: 5355101 (1994-10-01), Ichihara et al.

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