NDLI: NACS: non-overlapping AP's caching scheme to reduce handoff in 802.11 wireless LAN

Content Provider	IEEE Xplore Digital Library
Author	Tariq, U. Malik, Y. Man-Pyo Hong
Copyright Year	2005
Description	Author affiliation: Graduate Sch. of Inf. & Commun., Ajou Univ., Suwon, South Korea (Tariq, U.; Malik, Y.; Man-Pyo Hong)
Abstract	With the escalation of the IEEE 802.11 based wireless networks, voice over IP and analogous applications are also used over wireless networks. Recently, the wireless LAN systems are spaciously deployed for public Internet services. In public wireless LAN systems, reliable user authentication and mobility support are indispensable issues. When a mobile device budges out the range of one access point (AP) and endeavor to connect to new AP, it performs handoff. Contemporarily, PNC and SNC were proposed to propagate the MN context to the entire neighboring AP's on the wireless network with the help of neighbor graph. In this paper, we proposed a non-overlapping AP's caching scheme (NACS), which propagates the mobile node context to those AP's which do not overlap with the current AP. To capture the topology of non-overlapping AP's in the wireless network, non-overlapping graph (NOG) is generated at each AP. Simulation results shows that NACS reduces the signaling cost of propagating the MN context to the neighbor AP's in the wireless network.
File Size	2326076
File Format	PDF
ISBN	1424400007
ISSN	15312216
DOI	10.1109/ICON.2005.1635434
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-16
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN Delay Wireless networks Context Network topology Internet telephony Authentication Context-aware services Mobile communication Intelligent networks
Content Type	Text
Resource Type	Article

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