| Ad hoc网络中时间同步方法的研究 |
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| 引用本文： | 罗义军.Ad hoc网络中时间同步方法的研究[J].长江大学学报,2007,4(1):63-65. |
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| 作者姓名： | 罗义军 |
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| 作者单位： | 暨南大学信息科学技术学院,广东,广州,510632 |
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| 摘 要： | 结合时间主控节点同步和互同步方式,提出Ad hoc网络中的一种新的时间同步方法。该方法把自组网的时间同步和组网过程联系起来,在组网时按入网的次序采用主从方式实现初始同步,入网后采用互同步方式实现同步跟踪。与通常的互同步方式相比,可以更快地实现初始同步,提高初始同步的精度。而与一般的时间主控节点同步方式相比,可以避免由于重新选取时间主控节点所造成的不良影响,并提高同步跟踪的精度。
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| 关 键 词： | Ad hoc网络 时间同步 时间主控节点同步 互同步 |
| 文章编号： | 1673-1409（2007）01-N063-03 |
| 收稿时间： | 2006-11-28 |
| 修稿时间： | 2006年11月28日 |
The Research on Time Synchronization Methods in Ad hoc Networks |
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| LUO Yi-jun.The Research on Time Synchronization Methods in Ad hoc Networks[J].Journal of Yangtze University,2007,4(1):63-65. |
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| Authors: | LUO Yi-jun |
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| Abstract: | A new method of time synchronization in Ad hoc networks is put forward.Time master-controlled node synchronization is combined with mutual synchronization.In this method time synchronization is linked with constituting network.Initial synchronization,when nodes constitute a network,realizes initial time synchronization by means of master-slave synchronization according to the entrance sequence.Nodes realize synchronization track by using mutual synchronization subsequently.Compared with conventional mutual synchronization,it makes initial synchronization faster and more accurate.Furthermore compared with usual time master-controlled node synchronization,it makes synchronization track more accurate and avoids bad effect caused by newly selected time master-controlled node. |
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| Keywords: | Ad hoc networks time synchronization time master-controlled node synchronization mutual synchronization |
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