NDLI: A Priority-Based Handover Scheme for IEEE 802.16 Networks

Content Provider	IEEE Xplore Digital Library
Author	Kuo-Chih Chu Tzu-Chi Huang Chi-Tai Lee
Copyright Year	2012
Abstract	Wireless Metropolitan Area Network (WMAN) grows quickly due to a requirement of life. Among WMANs, IEEE 802.16 is the most popular standard. IEEE 802.16 supports mobility and Quality of Service (QoS). IEEE 802.16 regulates a handover scheme between a Mobile Station (MS) and a Base Station (BS). However, IEEE 802.16 does not have a priority rule in its handover scheme. Accordingly, a low-priority MS may make a successful handover earlier than a high-priority MS, which delays and further breaks real-time data communication. In this paper, we propose a Priority-based Handover Scheme (PHS) for IEEE 802.16 networks. PHS gives a high-priority MS more handover opportunities to increase the handover speed, so real-time data communication of the high-priority MS can avoid the delay due to a handover. We simulate PHS and compare it with the native IEEE 802.16 handover scheme in the performance of dealing with a high-priority MS. In simulation tests, we show that PHS indeed increases the probability of a successful handover and improves the handover speed.
Starting Page	674
Ending Page	677
File Size	1628156
Page Count	4
File Format	PDF
ISBN	9781467307673
DOI	10.1109/IS3C.2012.175
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-04
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems QoS IEEE 802.16 IEEE 802.16 Standards Quality of service Priority scheme Handover Mobile communication Distance measurement Data communication Delay
Content Type	Text
Resource Type	Article

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