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An 802.11k Compliant Framework for Cooperative Handoff in Wireless Networks

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An 802.11k Compliant Framework for Cooperative Handoff in Wireless Networks (EN)
Korakis, T. (EN)
Athanasiou, G. (EN)
Tassiulas, L. (EN)
journalArticle (EN)
2009
2015-11-23T10:23:13Z
In IEEE 802.11-based wireless networks, the stations (STAs) are associated with the available access points (APs) and communicate through them. In traditional hando. schemes, the STAs get information about the active APs in their neighborhood by scanning the available channels and listening to transmitted beacons. This paper proposes an 802.11k compliant framework for cooperative hando. where the STAs are informed about the active APs by exchanging information with neighboring STAs. Besides, the APs share useful information that can be used by the STAs in a hando. process. In this way, we minimize the delay of the scanning procedure. We evaluate the performance of our mechanisms through OPNET simulations. We demonstrate that our scheme reduces the scanning delay up to 92%. Consequently, our system is more capable in meeting the needs of QoS-sensitive applications. Copyright (C) 2009 George Athanasiou et al. (EN)
Engineering, Electrical & Electronic (EN)
Telecommunications (EN)
University of Thessaly
University of Thessaly Institutional Repositoty
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