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Proactive Access Point Driven Handovers in IEEE 802.11 Networks
Univ Antwerp, Belgium.
Univ Antwerp, Belgium.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013).ORCID iD: 0000-0002-9446-8143
FBK CREATE, NET, Italy.
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2018 (English)In: 14th International Conference on Network and Service Management, CNSM 2018 / [ed] S. Salsano, R. Riggio, T. Ahmed, T. Samak, CRP. DosSantos, IEEE, 2018, p. 261-267Conference paper, Published paper (Refereed)
Abstract [en]

In large and densely deployed IEEE 802.11 networks, a fast and seamless handover scheme is an important aspect in order to provide reliable connectivity for mobile users. However, IEEE 802.11 only supports decentralized, reactive and mobile node-driven handovers resulting in long handover times, packet loss due to interrupted connectivity and sub-optimal access point selection. Recently, centralized approaches have been developed that try to solve many of the challenges but these are mostly proprietary, reactive and require changes to mobile node stacks. In this paper, we propose a novel handover solution based on the principle of Software Defined Networking, that addresses the aforementioned challenges. Using virtualization and softwarization, we shift the traditional mobile node-driven handovers to the access point, while maintaining compliance with legacy devices. Moreover, we develop a proactive handover algorithm ADNA, which combines network state, traffic load and node mobility information. We evaluate our approach extensively in a testbed, showing that it outperforms existing approaches by improving the overall throughput by 116% while reducing the number of handovers by 44% on average.

Place, publisher, year, edition, pages
IEEE, 2018. p. 261-267
Series
International Conference on Network and Service Management
Keywords [en]
Mobile telecommunication systems, Routing algorithms, Access points, Centralized approaches, Fast and seamless handover, Handover time, IEEE 802.11 networks, Network state, Optimal access points, Proactive handover, IEEE Standards
National Category
Computer and Information Sciences
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-71294ISI: 000458916300033Scopus ID: 2-s2.0-85060946722ISBN: 9783903176140 (print)OAI: oai:DiVA.org:kau-71294DiVA, id: diva2:1290812
Conference
14th International Conference on Network and Service Management, CNSM 2018 and Workshops, 1st International Workshop on High-Precision Networks Operations and Control, HiPNet 2018 and 1st Workshop on Segment Routing and Service Function Chaining, SR+SFC 2018, 5 November 2018 through 9 November 2018
Projects
Excellenta milj├Ân, 8730Available from: 2019-02-21 Created: 2019-02-21 Last updated: 2019-06-14Bibliographically approved

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Kassler, Andreas

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