Method and apparatus of decision feedback equalization for multi

Details Method and apparatus of decision feedback equalization for multi Method and apparatus of decision feedback equalization for multi

1990-11-13

1992-03-17

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 14, 333 18, 333 28R, 3647242, H03H 730

Patent

active

050974823

ABSTRACT:
A method of an apparatus for decision feedback equalization, capable of dealing with time reversal for the transmission characteristic arising in a course of equalization. Without a considerable increase of the number of taps used and the resulting reduction of the response speed. In this apparatus, a number of feedforward taps for providing a forward part and a number of feedback taps for providing a feedback part are controlled according to whether the transmission signal is to be read in a normal time direction or in a reversed time direction; the forward part and the feedback part are added; and the digital transmission signal is reconstructed according to a result of the addition.

REFERENCES:
patent: 4213095 (1980-07-01), Falconer
patent: 4821289 (1989-04-01), Peile
patent: 4985902 (1991-01-01), Gurcan

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