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题名: A Reliable Time Synchronization Protocol for Wireless Sensor Networks
作者: Wang FQ(汪付强) ; Zeng P(曾鹏) ; Yu HB(于海斌) ; Zhao XQ(赵晓全)
作者部门: 工业信息学研究室
会议名称: 3rd International Symposium Computer Science & Computational Technology (ISCSCT 2010)
会议日期: August 14-15, 2010
会议地点: Jiaozuo, China
会议录: Proceedings 3rd International Symposium Computer Science & Computational Technology (ISCSCT 2010)
会议录出版者: Academy Publisher
会议录出版地: Oulu, Finland
出版日期: 2010
页码: 9-13
收录类别: CPCI(ISTP)
ISBN号: 978-952-5726-10-7
关键词: WSNs ; time synchronization ; clock drift ; random time source ; RTSP
摘要: Reliability is crucial for time synchronization in Wireless Sensor Networks (WSNs). Existing time synchronization algorithms provide on average good synchronization in laboratory environment, however, outdoor environment associated with radio interference will influence the performance of time synchronization. In this paper, we proposed a Reliable Time Synchronization Protocol (RTSP) which is designed to adapt topology changes due to link failures or node mobility. RTSP works in a level fashion: each level means the nodes in this level have the same hop. MAC layer time-stamping and linear regression is adopted to compensate clock drift. Compensation mechanism and random time source choice mechanism is introduced to make synchronization robust against link and node failures. The protocol is implemented on the SIA2420 platform using TinyOS and the result show the reliability of our protocol.
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/8313
Appears in Collections:工业信息学研究室_会议论文

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