Systems and methods for reducing false radar detection
AssigneeCisco Technology, Inc.
InventorsFred J. Anderson, Paul Jeffrey Stager, Evgeny Yankevich, Matthew Aaron Silverman
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AssigneeCisco Technology, Inc.
InventorsFred J. Anderson, Paul Jeffrey Stager, Evgeny Yankevich, Matthew Aaron Silverman
Estimating the term…
Methods and systems for distinguishing between radar signals and Wi-Fi signals are provided. When a set of electromagnetic signals are received, various tests are performed on the signals to determine if the signals are associated with radar pulses or if the signals are more likely to be associated with stray Wi-Fi signals or other non-radar interference. One such test relies on the relatively small variance of frequencies used by radar pulses when compared to the high variation of Wi-Fi signals. Another test relies on the relatively low peak to average power ratio of signals associated with radar pulses when compared to Wi-Fi signals. The tests described herein are an improvement on existing methods for distinguishing radar signals from Wi-Fi signals and result in less switching of Wi-Fi channels due to erroneously detected radar signals.
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