Dynamic frequency selection and radar detection with a wireless LAN
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United States of America Patent
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Dec 26, 2006
Grant Date -
Feb 19, 2004
app pub date -
Aug 19, 2002
filing date -
Aug 19, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A receiver in a wireless communication system detects a possibly interfering radar signal, and uses dynamic frequency selection to switch to a non-interfering channel. The power level and the channel of the radar signal may be detected. When a radar signal that exceeds a predetermined power level is detected, the receiver may be tuned until the channel of the radar signal matches the communication receiver channel. The communication receiver may then be tuned to a higher quality channel to mitigate or avoid interference between communication signals and the radar signal.
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