5G基站高精度地面授时链路构建方法及验证
TN929.5; 为满足第五代移动通信(5 G)基站和边缘计算节点对高精度地面授时的需求,文章提出了构建端到端高精度地面授时链路的方法和后续不依赖卫星的时间同步网组网思路,并通过苏州现网部署和实测展示了72 h内误差<28.4 ns的高精度链路传递授时指标,验证了构建方法的可行性.最后对不依赖卫星组网等后续关键问题进行了分析,指出了下一步改进的方向....
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| Published in | Guangtongxin Yanjiu no. 1; pp. 71 - 78 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国移动通信集团江苏有限公司 规划技术部,南京 210029
2021
《光通信研究》编辑部 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-8788 |
| DOI | 10.13756/j.gtxyj.2021.01.015 |
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| Abstract | TN929.5; 为满足第五代移动通信(5 G)基站和边缘计算节点对高精度地面授时的需求,文章提出了构建端到端高精度地面授时链路的方法和后续不依赖卫星的时间同步网组网思路,并通过苏州现网部署和实测展示了72 h内误差<28.4 ns的高精度链路传递授时指标,验证了构建方法的可行性.最后对不依赖卫星组网等后续关键问题进行了分析,指出了下一步改进的方向. |
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| AbstractList | TN929.5; 为满足第五代移动通信(5 G)基站和边缘计算节点对高精度地面授时的需求,文章提出了构建端到端高精度地面授时链路的方法和后续不依赖卫星的时间同步网组网思路,并通过苏州现网部署和实测展示了72 h内误差<28.4 ns的高精度链路传递授时指标,验证了构建方法的可行性.最后对不依赖卫星组网等后续关键问题进行了分析,指出了下一步改进的方向. 为满足第五代移动通信(5G)基站和边缘计算节点对高精度地面授时的需求,文章提出了构建端到端高精度地面授时链路的方法和后续不依赖卫星的时间同步网组网思路,并通过苏州现网部署和实测展示了72 h内误差<28.4 ns的高精度链路传递授时指标,验证了构建方法的可行性。最后对不依赖卫星组网等后续关键问题进行了分析,指出了下一步改进的方向。 |
| Author | 吴宇 |
| AuthorAffiliation | 中国移动通信集团江苏有限公司 规划技术部,南京 210029 |
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| Author_FL | WU Yu |
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| SubjectTerms | 时间同步;第五代移动通信;高精度;架构;演进 |
| Title | 5G基站高精度地面授时链路构建方法及验证 |
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