Outband Sensing-Based Dynamic Frequency Selection (DFS) Algorithm without Full DFS Test in IEEE 802.11h Protocol
2012
We propose an outband sensing-based IEEE 802.1 1h protocol without a full dynamic frequency selection (DFS) test. This scheme has two features. Firstly, every station performs a cooperative outband sensing, instead of inband sensing during a quiet period. And secondly, as soon as a current channel becomes bad, every station immediately hops to a good channel using the result of outband sensing. Simulation shows the proposed scheme increases network throughput against the legacy IEEE R02.11h.
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