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Research at St Andrews

Channel sampling strategies for monitoring wireless networks

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Author(s)

Udayan Deshpande, Tristan Henderson, David Kotz

School/Research organisations

Abstract

Monitoring the activity on an IEEE 802.11 network is useful for many applications, such as network management, optimizing deployment, or detecting network attacks. Deploying wireless sniffers to monitor every access point in an enterprise network, however, may be expensive or impractical. Moreover, some applications may require the deployment of multiple sniffers to monitor the numerous channels in an 802.11 network. In this paper, we explore sampling strategies for monitoring multiple channels in 802.11b/g networks. We describe a simple sampling strategy, where each channel is observed for an equal, predetermined length of time, and consider applications where such a strategy might be appropriate. We then introduce a sampling strategy that weights the time spent on each channel according to the number of frames observed on that channel, and compare the two strategies under experimental conditions.

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Details

Original languageEnglish
Title of host publication2006 4th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, Vols 1 and 2
Place of PublicationNEW YORK
PublisherIEEE
Pages423-429
Number of pages7
ISBN (Print)0-7803-9549-2
DOIs
Publication statusPublished - Apr 2006

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