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Research Interests
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Wireless Networks
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Network Management
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Network Security
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Artificial Intelligence
Publications
Abstract : In this paper, we presented a sentinel based approach to
reduce the scanning latency. Sentinels are stationary nodes
in the network which monitors the WLAN continuously.
During hand-off the client probes the sentinel to get the
minimal set of channels to scan. The sentinels provide the
client with a list of channels which is sorted on the best AP
the client can associate with at that point of time. The APs
are sorted based on the neighbor graph, the client�s current
location, the nearest hand-off points and the AP load which
is continuously monitored by the sentinels. Our simulation
results showed that, about 90% of the time, the client associates
with the first AP on the sorted list provided by the sentinels.
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