Mobile Relay Based Fast Handover Scheme In High-Speed Mobile Environment
2012 IEEE VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL)(2012)
摘要
There are a lot of handovers failed in high-speed mobile environment because the handover can't be completed in time although the field strength values are sufficient availability along the tracks. A mobile relay based fast handover scheme is proposed which is suitable for high-speed mobile environment. Two reference points are introduced to ensure handover in time. Pre-preparation and packet bi-casting is introduced to reduce communication interruption time and realize seamless handover. The performance of the proposed scheme is analyzed in terms of handover delay, communication interruption time and bi-casting time.
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关键词
handover,mobile relay,high-speed train
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