Multiple channel quadrature communication system and method

Details Multiple channel quadrature communication system and method Multiple channel quadrature communication system and method

1994-12-29

1996-09-24

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

370 20, H04J 1300

Patent

active

055597882

ABSTRACT:
A transmitter is provided which simultaneously transmits waveforms such as with different data rates. These transmissions are modulated (e.g. phase modulated) onto quadrature channels of a common carrier, and are then combined. The resulting composite modulated waveform is upconverted to RF, power amplified, split and routed to separate ports for transmission. The transmitted signals are then received, downconverted and demodulated to produce the original signals.

REFERENCES:
patent: 4308617 (1981-12-01), German, Jr.
patent: 5136612 (1992-08-01), Bi
patent: 5289499 (1994-02-01), Weerackody
patent: 5305353 (1994-04-01), Weerackody

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