White Rabbit技术在时敏领域应用综述  

Application Overview of White Rabbit Technology Used in Time-sensitive Field

作　　者：李恩[1] 罗青松[1] 钟震林 LI En;LUO Qingsong;ZHONG Zhenlin(The 34th Research Institute of CETC,Guilin 541004,China)

机构地区：[1]中国电子科技集团公司第三十四研究所,广西桂林541004

出　　处：《无线电通信技术》2020年第6期674-681,共8页Radio Communications Technology

基　　金：广东省重点领域研发计划项目(2019B010119001)。

摘　　要：White Rabbit同步技术是传统PTP(IEEE1588v2)协议的扩展,增加了皮秒级时间戳、频率相位同步、稳定传输时延等功能,在时频/数据一体化传输方面性能卓越。针对White Rabbit在时间敏感领域的应用现状,归纳了时间频率传递、精准时间戳标记、射频信号分布传输、定时触发控制等应用方式,详细介绍了各类具体应用的实现方法和性能指标。通过分析当前采用的增强手段和未来发展趋势,展望该技术在各领域广泛的应用前景。White Rabbit synchronization technology is an extension of traditional PTP(IEEE1588v2)protocol,which adds the functions of picosecond-level timestamping,frequency and phase synchronization,stable transmission delay,and has excellent performance in time-frequency/data integrated transmission.According to the application status of white rabbit in time sensitive field,the application modes that include time-frequency transmission,precise timestamping,radio-frequency signal distribution,timing trigger control are summarized.The implementation methods and performance indexes of various specific applications are introduced in detail.Based on the analysis of current enhancement methods and future development trends,the wide application prospect of the technology in various fields is prospected.

关 键 词：White Rabbit 时间敏感 时频传递 时间戳标记 定时控制 

分 类 号：TN929.11[电子电信—通信与信息系统]