[1]苏铅坤,罗克露,周强.基于无线传感器网络文件系统 Coffee 的研究[J].计算机技术与发展,2013,(01):67-70.
　SU Qian-kun,LUO Ke-lu,ZHOU Qiang.Research on Coffee File System Based on Wireless Sensor Networks[J].,2013,(01):67-70.
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基于无线传感器网络文件系统 Coffee 的研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2013年01期
页码:
67-70
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
Research on Coffee File System Based on Wireless Sensor Networks
文章编号:
1673-629X（2013）01-0067-04
作者:
苏铅坤; 罗克露; 周强
电子科技大学 计算机科学与工程学院
Author(s):
SU Qian-kun; LUO Ke-lu; ZHOU Qiang
关键词:
无线传感器网络; 操作系统; 文件系统; Coffee; FLASH
Keywords:
wireless sensor networks; operating system; file system; Coffee; FLASH
文献标志码:
A
摘要:
现有的桌面甚至是嵌入式一些文件系统不能适应资源受限的无线自组织网络传感器节点,这就要求重新设计文件系统.文中分析了设计 WSNs 专用文件系统的必要性,在 WSNs 中 FLASH 文件系统设计需要考虑的额外问题及现有FLASH 文件系统 JFFS2和 YAFFS 的缺陷.在分析现有的无线传感网络文件系统的基础上,选择了网络节点操作系统 Con-tiki 中的 Coffee 文件系统作为研究对象,深入源代码,详细分析 Coffee 的原理、设计思想及实现细节,并给出其移植到其它平台的通用方法,最后在延长 FLASH 使用寿命、高可靠性、大规模存储的方向上对 Coffee 提出了4种改进方法.这对WSNs 文件系统理论研究及实际应用具有重要意义
Abstract:
The existing file systems designed for desktops and even some normal embedded file systems can not be adapted to resource-constrained wireless sensor nodes,so redesigning a special file system is required in such applications. In this paper,first analyze the ne-cessity of design such a file system for WSNs,the extra consideration when design a FLASH file system for WSNs,and the defects of ex-isting FLASH file systems,JFFS2 and YAFFS. After the introduction of current existing WSNs file systems,choose the Coffee file system as research target which comes from Contiki WSNs operating system. After a thorough analysis of the design principles and implementa-tion details of Coffee,pose a common method to port it to other platforms. In the end,put forward four ways to optimize Coffee,aimed at extending FLASH working time,high reliability and enabling large-scale storage. This work is useful and significant for designing WSNs applications and further researches

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更新日期/Last Update: 1900-01-01