Normalized error compensator for modems using radial amplitude m

Details Normalized error compensator for modems using radial amplitude m Normalized error compensator for modems using radial amplitude m

1983-12-06

1985-08-06

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

375 39, H04J 306

Patent

active

045340269

ABSTRACT:
In a receiver for multiplexed QAM/PSK signals which have been radial amplitude modulated for synchronization, an error signal is generated by each received signal to the corresponding ideal point as mapped in the complex plane. A synchronizing signal is generated and synchronized by the error signal and is used for both demultiplexing, and amplitude demodulating the signal.

REFERENCES:
patent: 4213006 (1980-07-01), Gerges
patent: 4347616 (1982-08-01), Murakami
patent: 4381546 (1983-04-01), Armstrong
patent: 4389722 (1983-06-01), Hofmeister
patent: 4394626 (1983-07-01), Kurihara et al.
patent: 4434498 (1984-02-01), Mathieu
patent: 4458356 (1984-07-01), Toy
patent: 4464769 (1984-08-01), Forsberg et al.

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