Method of initializing equalizer of digital television...

Details Method of initializing equalizer of digital television... Method of initializing equalizer of digital television...

2004-11-01

2008-11-25

Ghayour, Mohammad (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S229000, C375S231000, C375S232000, C375S316000

Reexamination Certificate

active

07457356

ABSTRACT:
A method of initializing an equalizer of VSB DTV receiver and an equalizer using the same are provided. The method includes the steps of: obtaining a channel estimation value by estimating an impulse response of a channel from a received signal, initializing a backward filter by using the channel estimation value; generating an imaginary training signal by an arithmetical operation for the channel estimation value and a generated known training sequence; and initializing a forward filter by using the imaginary training signal.

REFERENCES:
patent: 2002/0159543 (2002-10-01), Perlow et al.
patent: 2004/0101068 (2004-05-01), Wang et al.
patent: 2004/0240587 (2004-12-01), Ozen
patent: 1020020077995 (2002-10-01), None

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