| 一种支持车-地宽带互联的广义AP间切换模型 |
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| 引用本文： | 邹复民,蒋新华,王桐森,林漳希. 一种支持车-地宽带互联的广义AP间切换模型[J]. 铁道学报, 2011, 33(2): 45-51. DOI: 10.3969/j.issn.1001-8360.2011.02.008 |
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| 作者姓名： | 邹复民 蒋新华 王桐森 林漳希 |
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| 作者单位： | 1. 福建工程学院,下一代互联网应用技术研究中心,福建,福州,350108
2. 得克萨斯理工大学,商学院,Lubbock,TX79409-2101 |
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| 摘 要： | 针对旅客列车车-地宽带互联的AP(Access Point,接入点)间切换不仅要求切换执行快速、而且要求切换判决迅速的特点,研究如何实现车载通信网关自主快速的AP间切换.为此首先提出狭义和广义AP间切换的概念,以描述车载通信网关自主地从一个AP切换到下一个AP的完整过程,并根据旅客列车宽带Internet应用的需求与特...
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| 关 键 词： | 广义切换 狭义切换 车-地互联 快速切换 切换判决 |
A General Inter-AP Handoff Model for Broadband Train-ground Internetworking |
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| ZOU Fu-min,JIANG Xin-hua,WANG Tong-sen,LIN Zhang-xi. A General Inter-AP Handoff Model for Broadband Train-ground Internetworking[J]. Journal of the China railway Society, 2011, 33(2): 45-51. DOI: 10.3969/j.issn.1001-8360.2011.02.008 |
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| Authors: | ZOU Fu-min JIANG Xin-hua WANG Tong-sen LIN Zhang-xi |
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| Affiliation: | 1.Research Center for Next-Generation Internet Tech & Apps,Fujian University of Technology,Fuzhou 350108,China;2.School of Business Administration,Texas Tech.University,Lubbock,TX 79409,USA) |
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| Abstract: | This paper is to study how to realize the autonomous and rapid inter-AP handoff for broadband train-ground internetworking,namely,not only to execute the handoff process rapidly but also to make the handoff decision quickly.Hence,the special and general inter-AP handoff concepts are presented to describe the complete process that the mobile node switchovers from one AP to another,and the general inter-AP handoff model for broadband train-ground internetworking is built up.On the basis of this model,the RSM based handoff decision model and the multi-radio based fast handoff algorithm TTBC are designed.The network interrupt latency is shortened to several milliseconds and the link quality is maintained during the pre-and-post handoff process while the mobile node is moving along the serial APs with the passenger train. |
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| Keywords: | general handoff special handoff train-ground internetworking rapid handoff handoff decision |
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