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Alternative TitleWireless meshed network low-spending high-precision time synchronization process for industry monitoring
曾鹏; 于海斌; 尚志军
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司
Status有权 许可备案
Other AbstractThe present invention belongs to the radio network communication field, in particular to a method for realizing the high-precision time synchronization of the radio mesh network internal node and thetime benchmarking source. The main technical points are that the accurate time stamp of emitting and receiving message is recorded on the MAC layer synchronous receiving nodes are needed for collecting the time synchronous signals issued by time source cyclically and after a plurality of time synchronous signals is received, statistic method is adopted to establish the relation equation of the overall time between the local time and time synchronous signal emitting node, the relation equation removes the effect of the frequency deviation of clock crystal vibration on the time synchronous precision the parameter of the relation equation is updated in the process of network operation. By adopting the method of the present invention, the time uncertainty in the process of synchronization is removed to the maximum and the synchronization spending is reduced.
PCT Attributes
Application Date2006-11-03
Date Available2010-02-03
Application NumberCN200610134134.8
Open (Notice) NumberCN101174939A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
曾鹏,于海斌,尚志军. 工业监测用无线网状网络低开销高精度时间同步方法[P]. 2008-05-07.
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