Cognitive WiFi radio network
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United States of America Patent
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Dec 30, 2014
Grant Date -
Oct 11, 2012
app pub date -
Apr 5, 2012
filing date -
Apr 5, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a cognitive radio (CR) WiFi network which includes a plurality of radio environment aware WiFi terminals, which collect local WiFi interference information and send this information to a CR network management system (NMS). The CR NMS includes a database for storing historical records of the interference information obtained from the terminals, and cognitive engines for analyzing the stored historical interference records and determining terminal-specific transmission and reception parameters. In one embodiment the network implements a deterministic NMS-directed networks-wide TDD/TDM scheduling of WiFi communications for optimal channel re-use and interference avoidance, and a novel terminal synchronization mechanism.
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