NDLI: A novel energy-efficient QoS-aware handover scheme over IEEE 802.11 WLANs

Content Provider	IEEE Xplore Digital Library
Author	Tuysuz, M.F. Mantar, H.A.
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. Eng., Gebze Inst. of Technol. Istanbul, Gebze, Turkey (Tuysuz, M.F.; Mantar, H.A.)
Abstract	Energy efficiency in wireless networks is one of the major issues for mobile devices since they rely on their batteries. In this context, the wireless network interface card (WNIC) has to be taken into account carefully as it consumes a significant portion of the overall system energy. In this paper, we aim to reduce the energy consumption of mobile devices in wireless networks by performing specific solutions, such as reducing the overhead of the periodic background channel scanning, keeping mobile stations in the doze state as much as possible, proposing a smart selective channel scanning during the handover preparation phase and associating with an access point (AP) that is expected to consume the least energy among all APs. Stations performing the proposed scheme can fairly coexist with the other stations in the network. In the proposed scheme, each station makes use of its local information and the information provided by the IEEE 802.21 information server (IS). The proposed scheme can be easily implemented without any changes on the current IEEE 802.11 standard. Performance of the proposed scheme was investigated by numerical analyses and extensive simulations. The results illustrate that the proposed scheme is very efficient and reduces the energy consumptions of mobile stations under a wide range of contention and signal strength levels.
Starting Page	1045
Ending Page	1049
File Size	448797
Page Count	5
File Format	PDF
ISBN	9781467362351
ISSN	21669570
DOI	10.1109/PIMRC.2013.6666292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decision support systems Throughput Power demand Land mobile radio Internet Logic gates Analytical models QoS Energy efficiency WLANs IEEE 802.21
Content Type	Text
Resource Type	Article

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