Decision feedback filter device in the frequency domain
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 18, 2000
Grant Date -
N/A
app pub date -
Jul 13, 1998
filing date -
Sep 8, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A decision feedback filter device which has a forward filter (FF) and a feedback filter (FB) for the production, from input symbols (x(n)), of the corresponding decisions (d(n)), the forward filter (FF) receiving the input symbols at input, and the feedback filter (FB) receiving the decisions (d(n)) at input. The forward filter (FF) carries out a frequency domain filtering of blocks of M input symbols, and the feedback filter (FB) carries out a frequency domain filtering of blocks of L decisions, with L being lower than M. The feedback filter permits the intersymbol interference caused by the reception of echoes to be rectified.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- G06F Class
- 0.63 % this patent is cited more than
- 25 Age