System and method for monitoring and enforcing a restricted wireless zone
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Aug 18, 2005
filing date -
Aug 19, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Monitoring for unauthorized RF energy emitted or transmitted in a particular zone or portion of a building, etc. Radio frequency energy is received in a region that encompasses a zone in which it is desired to monitor for unauthorized radio frequency energy. At least one characteristic of the received radio frequency energy is analyzed to determine whether unauthorized radio frequency energy is occurring in the zone. Unauthorized RF energy may be detected by analyzing at least one spectral characteristic of the received radio frequency energy and comparing the at least one spectral characteristic with data associated with authorized and/or unauthorized radio frequency energy. Alternatively, signal classification techniques can be applied to data derived from the received radio frequency energy to classify by type signals contained in the received radio frequency energy. Certain signal types may be designated as unauthorized in a particular restricted zone and the results of the signal classification analysis is compared with data for authorized and/or unauthorized signal types.
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