Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 12, 2006
Patent Application Number
10338388
Date Filed
January 8, 2003
Patent Primary Examiner
Patent abstract
A method of radar detection in a channel for radio local area networks operating in a regulatory band. First, a quiet time and quiet period are set, in which the ratio of the quiet time to the quiet period equals 1:4. The channel is quieted for the quiet time periodically at a rate dictated by the quiet period in order to be tested for radar. During each quiet time, a received power is measured to determine whether it exceeds a predetermined threshold. Radar presence is declared when the received power on that channel exceeds the predetermined threshold.
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