摘要
在分析IEEE 1588精确时间同步协议(PTP)原理的基础上,设计了包括最佳主时钟算法和PTP协议的时钟同步模型。针对嵌入式Linux操作系统,提出了在Linux的网络驱动层通过在收发以太网帧时完成时间戳的接收和添加的方法。实验结果表明,通过该方法能够达到10μs量级的同步精度,较好地实现了时钟同步的效果。
The IEEE 1588 Precise Time synchronization Protocol（PTP） is analysed, then a time synchronization model which includes the best master clock algorithm and PTP protocol is given. Based on Embedded Linux Operation System, a method of adding time stamp when the MAC frame is received in the driver layer is proposed. The experimental results show that this method meets the demands of time synchronization and 10 us level synchronization precision can be achieved.
出处
《电讯技术》
北大核心
2012年第5期800-803,共4页
Telecommunication Engineering
