SPOTLIGHT: Cognitive radios help wVoIP security

Cognitive technology lets a radio and its antenna to sense its surrounding RF environment, allowing a wVoIP system to adapt spectrum use as necessary to sidestep interference. The design, when built into wireless access points, can be used to "sniff out" rogue networks and other potential threats without disrupting normal wireless VoIP and data traffic. With data drawn from multiple cognitive radios within a WLAN, administrators are able to take preemptive action. Article

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