Inter-domain handover scheme using an intermediate mobile access gateway for seamless service in vehicular networks

Authors:
Kang-Won Lee;Won-Kyeong Seo;You-Ze Cho;Jong-Woo Kim;Jin-Soo Park;Byoung-Sub Moon
Affiliations:
School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu 702-701, Korea;School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu 702-701, Korea;School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu 702-701, Korea;Network Technology Laboratory, KT, Daejeon 305-811, Korea;Central R&D Laboratory, KT, Seoul 137-792, Korea;Korea Institute of Construction Technology, Goyang-Si Gyeonggi-Do, 411-712, Korea
Venue:
International Journal of Communication Systems - Part 2: Next Generation Networks (NGNs)
Year:
2010

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Abstract

Current IP-level mobility management protocols are unable to satisfy the stringent handover latency requirements for supporting real-time multimedia services between different domains in a high-speed vehicular environment. This paper proposes an inter-domain handover scheme for Proxy Mobile IPv6 (PMIPv6) with a new network entity, called intermediate-mobile access gateway (iMAG). The iMAG is located between the home and the foreign domains and is connected to both domains. The proposed scheme is a proactive handover approach that performs the inter-domain L3 handover in advance before the inter-domain L2 handover while the Mobile Node (MN) is still connected to the iMAG in the home domain. Therefore, the proposed scheme enables the inter-domain handover latency to reduce as low as the intra-domain handover latency. Numerical analysis and simulation results demonstrate that the proposed scheme is able to support seamless service continuity in inter-domain handovers. Copyright © 2009 John Wiley & Sons, Ltd. This paper proposes an inter-domain handover scheme for Proxy Mobile IPv6 (PMIPv6) with a new network entity, called intermediate-mobile access gateway (iMAG) which is connected to both the home and the foreign domains. The proposed scheme is a proactive handover approach that performs the inter-domain L3 handover in advance before the inter-domain L2 handover while the Mobile Node (MN) is still connected to the iMAG in the home domain. Therefore, the proposed scheme enables the inter-domain handover latency to reduce as low as the intra-domain handover latency. Copyright © 2009 John Wiley & Sons, Ltd.