MY129429A - Method for equalizing a vsb high defination television signal in the presence of co-channel interference - Google Patents

Method for equalizing a vsb high defination television signal in the presence of co-channel interference

Info

Publication number
MY129429A
MY129429A MYPI20021375A MY129429A MY 129429 A MY129429 A MY 129429A MY PI20021375 A MYPI20021375 A MY PI20021375A MY 129429 A MY129429 A MY 129429A
Authority
MY
Malaysia
Prior art keywords
equalizing
channel interference
defination
television signal
decision feedback
Prior art date
Application number
Inventor
Adolf Dsouza
Original Assignee
Thomson Licensing Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of MY129429A publication Critical patent/MY129429A/en

Links

Abstract

A METHOD AND APPARATUS FOR EQUALIZING A SIGNAL CONTAINING HIGH DEFINITION TELEVISION INFORMATION IN THE PRESENCE OF CO-CHANNEL NTSC INTERFERENCE EMPLOYS AN EQUALIZER (22) HAVING FEED FORWARD AND DECISION FEEDBACK FILTERS. A COMB FILTER (20) IS INSERTED AHEAD OF THE QUALIZER WHEN NTSC CO-CHANNEL INTERFERENCE IS PRESENT. A SELECTED TAP OF THE DECISION FEEDBACK FILTER (26) IS SET TO A ZERO VALUE WHEN THE SIGNAL IS BEING EQUALIZED DURING AN INTITIAL BLIND OPERATING MODE. THE DECISION FEEDBACK FILTER TAPS ARE UPDATED AFTERWARDS, IN A DECISION-DIRECTED OPERATING MODE.(FIGURE 1).
MYPI20021375 2001-04-16 2002-04-15 Method for equalizing a vsb high defination television signal in the presence of co-channel interference MY129429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28427901P 2001-04-16 2001-04-16

Publications (1)

Publication Number Publication Date
MY129429A true MY129429A (en) 2007-03-30

Family

ID=47289787

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20021375 MY129429A (en) 2001-04-16 2002-04-15 Method for equalizing a vsb high defination television signal in the presence of co-channel interference

Country Status (1)

Country Link
MY (1) MY129429A (en)

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