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This paper researched on KEELOQ algorithm and presented a wireless anti-theft system based on the KEELOQ technology. The system has one central controller and no more than eight monitors. When the whole wireless anti-theft system were designed, a physical testing about one hundred days was made. The results showed that the system works stably.
In November 2008, FCC approved unlicensed use of TV white space. This marks an important milestone in the reality of using cognitive radio for communication. In this demonstration, we show how spectrum sensing can effectively sense the presence or absence of the incumbent users. The vacant channels sensed can then be used for wireless communication such as wireless video streaming shown in this demonstration...
Measurements performed at several locations clearly show that frequency spectrum is under-utilized. Cognitive radio is a strong candidate to ensure better spectrum utilization by providing access in an opportunistic manner. Simulations performed on the algorithm that we proposed show promising results in sensing vacant channels in TV bands. Here we present the work, which implements the algorithm...
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