一种高精度的PTP授时服务器设计  

A high-precision PTP timing server design

作　　者：潘玲娇 Pan Lingjiao(Jiangsu Radio Factory Co.,Ltd.Jiangsu,Nanjing,210000)

机构地区：[1]江苏无线电厂有限公司,江苏南京210000

出　　处：《卫星电视与宽带多媒体》2020年第20期37-40,共4页Satellite TV & IP Multimedia

摘　　要：介绍了一种以北斗为时间频率参考源,基于PID时间偏差控制算法的高精度PTP授时服务器,详细介绍了设备的软、硬件设计方案和实测性能指标。该方案以FPGA为核心处理器,结合PID时间偏差控制算法,将PTP授时精度提高至7.4ns,有效提高了PTP授时精度。This paper introduces a high-precision PTP timing server based on the PID time deviation control algorithm with Beidou as the time and frequency reference source.The software and hardware design schemes and measured performance indicators of the equipment are introduced in detail.This solution uses FPGA as the core processor,combined with PID time deviation control algorithm,to increase the PTP timing accuracy to 7.4ns,which effectively improves the PTP timing accuracy.

关 键 词：PTP授时 FPGA PID时间偏差 

分 类 号：TN94[电子电信—信号与信息处理]