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- Lee, Jaiyong
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A seamless voice call handover scheme for next generation cellular network
- Author(s)
- Kim, Kyungmin, Jung, Hyunduk, Lee, Jaiyong
- Issued Date
- 2009-10-08
- Citation
- 2009 15th Asia-Pacific Conference on Communications, APCC 2009, pp.782 - 785
- Abstract
- This paper proposes the world first complete voice call handover scheme between the 3G LTE and 3G CS systems. To achieve seamless handover, a powerful network entity called FW-MME is proposed. Features of the FW-MME contribute to reducing handover service interruption time; hence the resulting voice call handover performance is also improved. The evaluation result shows that the proposed FW-MME exclusively meets the strict service interruption time requirement which is smaller than 300 ms, whereas other conventional handover schemes spend more than twice large time in voice call handover.
- Publisher
- APCC 2009
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