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A seamless and proactive end-to-end mobility solution for roaming across heterogeneous wireless networks (2004)
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| Venue: | IEEE Journal on Selected Areas in Communications |
| Citations: | 46 - 2 self |
BibTeX
@ARTICLE{Guo04aseamless,
author = {Chuanxiong Guo and Zihua Guo and Qian Zhang},
title = {A seamless and proactive end-to-end mobility solution for roaming across heterogeneous wireless networks},
journal = {IEEE Journal on Selected Areas in Communications},
year = {2004},
volume = {22},
pages = {834--848}
}
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Abstract
Zhu, Senior Member, IEEE Roaming across heterogeneous wireless networks such as wireless wide area network (WWAN) and wireless local area network (WLAN) poses considerable challenges, as it is usually difficult to maintain the existing connections and guarantee the necessary quality of service (QoS). This paper proposes a novel seamless and proactive end-to-end mobility management system, which can maintain the connections based on the end-to-end principle by incorporating an intelligent network status detection mechanism. The proposed system consists of two components, Connection Manager (CM) and Virtual Connectivity (VC). The CM, by using novel Media Access Control (MAC)-layer and physical-layer sensing techniques, can obtain accurate network condition while at the same time reducing the unnecessary handoff and ping-pong effect. The VC, can make mobility transparent to applications without additional network-layer infrastructure support using a Local Connection Translation (LCT), and can handle mobility well in Network Address Translator (NAT) and simultaneous movement cases using a Subscription/Notification (S/N) service. The proposed system enjoys several unique advantages: 1) capable of reacting to roaming events proactively and accurately; 2) maintaining the connection’s continuity with small handoff delay; and 3) being a unified end-to-end approach for both IPv4 and IPv6 networks. We have built a prototype system and performed experiments to demonstrate the advantages of the proposed system. Index Terms-WWAN/WLAN handoff, network condition detection, mobility management.
Keyphrases
heterogeneous wireless network proactive end-to-end mobility solution proposed system mobility management small handoff delay end-to-end principle index terms-wwan wlan handoff mobility transparent proactive end-to-end mobility management system simultaneous movement case several unique advantage novel medium access control accurate network condition network address translator virtual connectivity wireless local area network senior member unified end-to-end approach intelligent network status detection mechanism necessary quality physical-layer sensing technique wireless wide area network connection manager local connection translation prototype system unnecessary handoff ipv6 network ieee roaming ping-pong effect considerable challenge additional network-layer infrastructure support network condition detection novel seamless subscription notification
