A Velocity-Based Bicasting Handover Scheme for 4G Mobile Systems
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概要
- 論文の詳細を見る
We propose a velocity-based bicasting handover scheme for the efficient utilization of backhaul network resources in fourth-generation mobile systems. The original bicasting handover scheme adopts the mechanism of holding the data of a mobile station (MS) in all potential target base stations in advance, before the actual handover execution of the MS. The scheme minimizes the packet transmission delay caused by handover and achieves the goal of seamless connectivity, however, it results in an aggressive consumption of the backhaul network resources. Moreover, as the scheme gets widely adopted for high data rate real-time services and the demand for these services grows, the amount of the resources consumed due to the bicasting will increase tremendously. In this paper, we present a new bicasting handover scheme that reduces the data bicasting time, thereby improving the backhaul network resource utilization. Our scheme exploits the velocity parameter of MS and introduces a novel concept of bicasting threshold determined for the specific mobile speed groups. Simulations prove the efficiency of our scheme over the original one in overcoming the aggressive resource consumption at the backhaul network.
- (社)電子情報通信学会の論文
- 2009-01-01
著者
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YOON Hyunsoo
Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and T
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Kim Namgi
Department Of Cs Kyonggi University
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Yoon Hyunsoo
Department Of Eecs Korea Advanced Institute Of Science And Technology (kaist)
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Kim Dongwook
Department Of Eecs Korea Advanced Institute Of Science And Technology (kaist)
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Kim Dongwook
Department Of Computer Science Korea Advanced Institute Of Science And Technology
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Lee Hanjin
Korea Advanced Inst. Of Sci. And Technol. (kaist) Kor
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Lee Hanjin
Department Of Mathematics Fudan University
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Yoon Hyunsoo
Department Of Computer Science Korea Advanced Institute Of Science And Technology
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Yoon Hyunsoo
Eecs Department At Kaist
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Yoon Hyunsoo
Department Of Computer Science And Center For Artificial Intelligence Research Korea Advanced Instit
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Kim Namgi
Dept. Of Cs Kyonggi Univ.
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