Digital transmission system comprising a receiver with cascaded equalizers
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United States of America Patent
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Aug 18, 1998
Grant Date -
N/A
app pub date -
Mar 20, 1996
filing date -
Mar 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital transmission system comprising a receiver with cascaded equalizers. The transmission system may also include multicarrier modulation means and multicarrier demodulation means comprising a semi-fixed equalizer cascaded with an adaptive equalizer. The semi-fixed equalizer equalizes the relatively stable or slowly and/or slightly changing imperfections which are due to the channel and the adaptive equalizer equalizes the imperfections which are due to transmission noise. The invention likewise relates to a process for determining the characteristics of the semi-fixed equalizer.
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