A Seamless Voice Call Handover Scheme for the 3G LTE System 


Vol. 35,  No. 2, pp. 174-185, Feb.  2010


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  Abstract

A seamless handover between the 3G LTE and legacy 3G system is required for the smooth deployment of the 3G LTE system which is the next generation cellular network system. Especially on voice call handover, the service interruption time is very sensitive for user's satisfaction and therefore, a seamless voice call handover scheme is necessarily required. However, handover between the 3G LTE and the 3G CS system is hard to be achieved due to the lack of interface between two systems and the restriction of radio resource. In this paper, a new network entity called SCSE is proposed and inter-working between the 3G LTE and the 3G CS systems is enabled. Also contributed to the feature of the SCSE, the handover procedure is simplified and the service interruption time is minimized as a consequence. The evaluation result shows that the proposed SCSE scheme exclusively meets the service interruption time requirement which is smaller than 300 ㎳.

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  Cite this article

[IEEE Style]

K. Kim, H. Jung, J. Lee, "A Seamless Voice Call Handover Scheme for the 3G LTE System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 174-185, 2010. DOI: .

[ACM Style]

Kyungmin Kim, Hyunduk Jung, and Jaiyong Lee. 2010. A Seamless Voice Call Handover Scheme for the 3G LTE System. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 174-185. DOI: .

[KICS Style]

Kyungmin Kim, Hyunduk Jung, Jaiyong Lee, "A Seamless Voice Call Handover Scheme for the 3G LTE System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 174-185, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880