Mitigating radio frequency interference in multi-carrier transmission systems
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United States of America Patent
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Mar 7, 2000
Grant Date -
N/A
app pub date -
Apr 4, 1997
filing date -
Apr 19, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and mechanisms for reducing the impact of radio frequency interference in multi-carrier data transmission systems are disclosed. In one aspect of the invention, dummy tones are used to suppress emissions within restricted frequency bands. In another aspect of the invention, signals received on designated quiet tones are detected and used to facilitate canceling of RF interference on adjacent active tones.
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