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题名Reliable wireless connections for fast-moving rail users based on a chained fog structure
作者
发表日期2017
发表期刊Information Sciences
ISSN/eISSN0020-0255 ; 1872-6291
卷号379页码:160-176
摘要

Currently, 3G and 4G networks provide customers with high-speed wireless services almost everywhere. However, the wireless connection is often unstable and unreliable, especially for fast-moving end users (e.g., those on trains and buses). To investigate the severity of this problem, we conducted real experiments on fast-moving trains to investigate the quality of 3G connections. From the results, we found that 1) from the temporal perspective, the 3G connections were not stable and suffered from frequent disruptions of connectivity, and 2) from the spatial perspective, the connections that were established in different train compartments were largely independent. These two findings motivate us to propose a brand-new fog computing structure, which acts as an intermediate layer between the end users and the 3G infrastructure. This new fog structure introduces a series of mutually chained network gateways that are located in different compartments. This structure addresses the aforementioned problem of unstable connectivity and thus ensures reliable wireless service for fast-moving users, such as passengers on trains. We performed a series of theoretical and empirical analyses to evaluate the performance of the newly proposed structure. All of the experimental results suggest that our proposed fog structure greatly improves the reliability of wireless connections on fast-moving trains. © 2016 Elsevier Inc.

关键词Cascade shifting flow problem Fast-moving rail Fog structure Reliability
DOI10.1016/j.ins.2016.06.031
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收录类别SCIE
语种英语English
WOS研究方向Computer Science
WOS类目Computer Science, Information Systems
WOS记录号WOS:000389105500011
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://repository.uic.edu.cn/handle/39GCC9TT/1875
专题个人在本单位外知识产出
作者单位
1.College of Computer Science and Technology, Huaqiao University, Xiamen, Fujian Province, China
2.School of Information Technology, Deakin University, Australia
3.School of Software, Xiamen University, Xiamen, Fujian Province, China
4.Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
推荐引用方式
GB/T 7714
Wang, Tian,Peng, Zhen,Wen, Shenget al. Reliable wireless connections for fast-moving rail users based on a chained fog structure[J]. Information Sciences, 2017, 379: 160-176.
APA Wang, Tian., Peng, Zhen., Wen, Sheng., Lai, Yongxuan., Jia, Weijia., .. & Chen, Yonghong. (2017). Reliable wireless connections for fast-moving rail users based on a chained fog structure. Information Sciences, 379, 160-176.
MLA Wang, Tian,et al."Reliable wireless connections for fast-moving rail users based on a chained fog structure". Information Sciences 379(2017): 160-176.
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