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首页> 外文会议>International Conference on Information Science, Computer Technology and Transportation >Clock Synchronization for Distributed Multi-hop Wireless Networks Using Markov Random Field
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Clock Synchronization for Distributed Multi-hop Wireless Networks Using Markov Random Field

机译：使用Markov随机字段的分布式多跳无线网络时钟同步

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摘要

The global clock synchronization problem in distributed multi-hop wireless networks is studied in this paper. A fully distributed synchronization solution based on mean field is proposed. A neighbor system and a label problem are defined to describe clock synchronization problem. The clock offset and skew are mapped to clique potential, and an energy function is established based on clique potential. Then the clock synchronization is transformed to finding the minimum of the energy function. By minimizing the energy function, clock synchronization is reached. A distributed energy minimization algorithm is also proposed. The simulation results show the proposed solution achieves high precise global clock synchronization and has the virtue of low overhead, robustness and scalability.
机译：本文研究了分布式多跳无线网络中的全局时钟同步问题。提出了一种基于平均场的完全分布的同步解决方案。定义邻居系统和标签问题以描述时钟同步问题。时钟偏移和歪斜映射到Clique电位，并且基于Clique电位建立能量功能。然后将时钟同步变换为找到能量函数的最小值。通过最小化能量函数，达到时钟同步。还提出了一种分布式能量最小化算法。仿真结果表明，所提出的解决方案实现了高精度的全局时钟同步，并且具有低开销，鲁棒性和可扩展性的优点。

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