Load-aware hand-offs in software defined wireless LANs

Rangisetti, A K and Bhopabhai, B H and B, Pradeep Kumar and Tamma, Bheemarjuna Reddy (2014) Load-aware hand-offs in software defined wireless LANs. In: 10th IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob 2014, 8-10 October 2014, Golden Bay Beach HotelLarnaca; Cyprus.

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In Wireless Local Area Networks (WLANs), providing seamless mobility and balancing load among Access Points (APs) are challenging issues due to simple signal strength based association and hand-off mechanisms employed at wireless clients. Extensions to Software Defined Networking (SDN) framework for wireless networks could help to address theses issues in an efficient and cost-effective manner with a central view of WLAN at the SDN controller. In this work, we propose a novel load-aware hand-off algorithm for SDN based WLAN systems which considers traffic load of APs in addition to received signal strength at wireless clients to solve load imbalance among APs and offer seamless mobility. We implemented the proposed algorithm on a small-scale prototype testbed and obtained improved network throughput for mobile clients as well as static clients compared to legacy hand-off algorithms used in WLANs.

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IITH Creators:
IITH CreatorsORCiD
Tamma, Bheemarjuna ReddyUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Cost effectiveness; Wireless local area networks (WLAN) Access point (APs); Balancing loads; Network throughput; Received signal strength; Seamless mobility; Signal strengths; Software defined networking (SDN); Wireless client
Subjects: Computer science > Special computer methods
Computer science > Big Data Analytics
Divisions: Department of Computer Science & Engineering
Depositing User: Team Library
Date Deposited: 30 Dec 2014 07:42
Last Modified: 07 Sep 2017 09:52
URI: http://raiith.iith.ac.in/id/eprint/1281
Publisher URL: https://doi.org/10.1109/WiMOB.2014.6962245
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