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题名: Study of time-sync for WirelessHART networks
作者: Li SX(李世兴) ; Wang H(王宏) ; Xu AD(徐皑冬) ; Hong, Seung Ho
作者部门: 工业控制网络与系统研究室
关键词: Communication ; Networks (circuits)
刊名: Information Technology Journal
ISSN号: 1812-5638
出版日期: 2013
卷号: 12, 期号:23, 页码:7809-7814
收录类别: EI
产权排序: 1
摘要: WirelessHART is becoming widely used industrial communication standard due to its features such as low cost, low power consumption and strong interoperability. As a research hotspot, time-sync is one of key technologies for WirelessHART networks. Firstly this study summarizes the existing time-sync methods. Secondly, by means of building slot timing model, this study focuses on time slot setting up, active time-sync and passive time-sync processes for WirelessHART network time-sync. The calculation method of time cycle for keep-alive data packets used for keeping time-sync is proposed. The keep-alive data packet cycle of 30 sec is proved reasonable in WirelessHART standard. Finally, test platform is set up using the self-development WirelessHART communication module WH-M and the time-sync mechanism of WirelessHART network is realized. The time-sync error of testing data is small enough to meet the time demand of TDMA in industrial communication fully.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15088
Appears in Collections:工业控制网络与系统研究室_期刊论文

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李世兴; 王宏; 徐皑冬; Hong, Seung Ho.Study of time-sync for WirelessHART networks,Information Technology Journal,2013,12(23):7809-7814
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文件名: Study of time-sync for WirelessHART networks.pdf
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