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학술지 Cost-Efficient Vertical Handover Between Cellular Networks and WLAN Based on HMIPv6 and IEEE 802.21 MIH
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저자
박종대, 류호용, 이순석, 배승재, 이주영, 김미희, 정민영
발행일
201305
출처
International Journal of Network Management, v.23 no.3, pp.155-171
ISSN
1055-7148
출판사
ACM, John Wiley & Sons
DOI
https://dx.doi.org/10.1002/nem.1822
협약과제
13VI3300, 동적 네트워크 음영화 및 매니지드 터널링 통신을 위한 폐쇄망용 고신뢰 게이트웨이 핵심 기술 개발, 박종대
초록
In order to increase the capacity of wireless communication networks with minor changes and low cost, internetworking between cellular networks and wireless local area networks (WLANs) is considered as an attractive solution. In the internetworking of cellular networks and WLANs, a cost-efficient vertical handover mechanism is required for seamless service provision. In this paper, we propose a cost-efficient vertical handover mechanism for the packet-based cellular networks and WLAN internetworking, where HMIPv6 and IEEE 802.21 are complementarily integrated to optimize the handover procedures. To design the mechanism, we introduce pre-binding update and hierarchical packet forwarding concepts which can reduce handover signaling cost and delay. A mathematical model for handover rates and costs is proposed in order to analyze the proposed mechanism. In performance evaluation, we investigate how various factors affect handover rates and costs, and compare the proposed mechanism against the conventional mechanism. Copyright © 2013 John Wiley & Sons, Ltd.
KSP 제안 키워드
Binding Update, Cellular networks, Cost-efficient, Handover mechanism, Handover rates, IEEE 802.21 MIH, Local Area Network(LAN), Low-cost, Mathematical model, Packet Forwarding, Performance evaluation