Digital communication system and method for operating the...

Details Digital communication system and method for operating the... Digital communication system and method for operating the...

2003-07-25

2008-03-25

Tse, Young T. (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S321000, C348S725000

Reexamination Certificate

active

07349502

ABSTRACT:
A digital communication system having an improved equalization performance according to a channel state and a method for operating the system are disclosed. The digital communication system includes: a channel state judging section; and an equalizing section for compensating for a channel distortion of the inputted signal by initializing a parameter on the basis of the judged channel state. The channel state judging section includes: a channel prediction section for predicting the channel state of the inputted signal by using the field sync; an N number of buffers for storing the state information regarding the N number of channels predicted by means of the N number of the field syncs; a calculating section for calculating a difference between the state information regarding the N number of channels stored in the N number of buffers; and a judging section for judging the channel state on the basis of the calculated difference.

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