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Conference Paper
Practical Vertical Handover Mechanisms between Satellite and Terrestrial Networks
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- Authors
- MinSu Shin, ManKyu Park, DeockGil Oh, ByungChul Kim, JaeYong Lee
- Issue Date
- 2010-08
- Citation
- International Conference on Next Generation Teletraffic and Wired/Wireless Advanced Networking (NEW2AN) 2010 (LNCS 6294), v.6294, pp.353-364
- Publisher
- Springer
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we propose practical vertical handover mechanisms for interworking between satellite and terrestrial network, which include new handover procedures and TCP congestion control. To support seamless handover, it should be considered L2~L4 layer operation all together. The proposed mechanisms include a vertical handover procedure using IEEE 802.21 and a TCP performance enhancing mechanism by adopting efficient congestion control scheme. IEEE 802.21 standard provides unified event messages from link layer to upper layer for helping seamless handover regardless whatever the physical layer interfaces are. The proposed TCP congestion control uses TCP Explicit Handover Notification which informs TCP sender directly of new available link bandwidth. We used ns-2 network simulator to evaluate our proposed mechanisms. Simulation results show that our mechanism can support a seamless handover and provide a better Internet service for fast train when there are different types of access networks such as a satellite and terrestrial network. © 2010 Springer-Verlag.
- KSP Keywords
- Control scheme, Handover mechanism, IEEE 802.21, Internet service, Link bandwidth, Link layer, Network simulator(NS), Network simulator-2(NS2), Physical Layer, Satellite and terrestrial, Seamless Handover