Abstract
In the design of 4G cellular mobile networks, also known as, IMT-Advanced systems, new air interface enhancements such as multi-carrier support and interference mitigation further require handover protocol to be scalable and flexible to support various 4G deployments. This paper presents the state-of-the-art handover schemes designed for IEEE 802.16m based 4G mobile networks (next generation WiMAX), approved by ITU as an IMT-Advanced technology and provides discussion on technical challenges of railroad communications for high speed trains. Based on the discussion, handover latency reduction scheme for railroad communications is proposed. Various advanced handover procedures accepted in IEEE 802.16m specification are explained in details in order to derive technical challenges and handover reduction scheme of railroad communications.
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References
IEEE 802.16m-09/0034r2, IEEE 802.16m System Description Document, Sept. 2009
IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Broadband Wireless Access Systems Amendment 3: Advanced Air Interface, IEEE Std 802.16Â m-2011, May 12 2011
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Acknowledgments
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2012R1A1A1014610).
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© 2013 Springer Science+Business Media Dordrecht
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Kim, R.Y., Kim, B. (2013). Handover Latency Reduction Scheme for Railroad Communications in 4G Mobile Networks. In: Kim, K., Chung, KY. (eds) IT Convergence and Security 2012. Lecture Notes in Electrical Engineering, vol 215. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5860-5_146
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DOI: https://doi.org/10.1007/978-94-007-5860-5_146
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