Recursive adaptive equalizer for SMSK data links

Details Recursive adaptive equalizer for SMSK data links Recursive adaptive equalizer for SMSK data links

1982-07-28

1985-10-15

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

333 18, 375101, H04B 318

Patent

active

045478880

ABSTRACT:
SMSK data link degradation in future and immediate past bits produced by carrier phase error and small errors in the sampling instant are reduced by a recursive adaptive equalizer having a feedforward stage with adjustable weight for each future bit to be corrected and a feedback stage with adjustable weight for each immediate past bit to be corrected. The weights are controlled by a controller which samples the output and adjusts each weight until the output is correct.

REFERENCES:
patent: 3715670 (1973-02-01), Hirsch et al.
patent: 3974449 (1976-08-01), Falconer
patent: 4080580 (1978-03-01), Takasaki et al.
patent: 4196405 (1980-04-01), Dily et al.
patent: 4288872 (1981-09-01), Tamburelli
patent: 4415872 (1983-11-01), Karabinis
patent: 4476491 (1984-10-01), Murata et al.

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