面向天地一体化的确定性网络技术研究  

Research on deterministic networking technology for space-ground integrated

作　　者：张雨曼 朱厦 梁国鑫 周家恩 赵亚飞 彭木根[1] ZHANG Yuman;ZHU Xia;LIANG Guoxin;ZHOU Jiaen;ZHAO Yafei;PENG Mugen(State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications,Beijing 100876,China;State Grid Siji Location based Service Co.,Ltd.,Beijing 102209,China)

机构地区：[1]北京邮电大学网络与交换技术全国重点实验室,北京100876 [2]国网思极位置服务有限公司,北京102209

出　　处：《电信科学》2024年第1期24-34,共11页Telecommunications Science

基　　金：北京市科技计划项目(No.Z221100007722012)。

摘　　要：卫星通信是未来通信领域的关键技术,低轨互联网星座是6G空天地海一体化网络的战略性基础设施,能够将当前通信网络扩展到全球近地区域。确定性网络技术是天基网络的重要技术之一,相比传统尽力而为的分组网络,确定性网络具有低时延、低抖动、低丢包率、高可靠的优势。概述了确定性网络当前的研究背景及现状,提出面向卫星通信的确定性网络架构,阐述了其关键技术,最后讨论了未来研究方向。Satellite communication is a critical technology in the future of the communication field.Low earth orbit Internet constellations is a strategic infrastructure for the 6G integrated space-air-ground-maritime networks,which is capable of expanding the current communication network to the global near-earth region.Deterministic networking technology is a key component of space-based network,compared with the traditional best-effort packet network,it has the advantages of low latency,low jitter,low packet loss rate,and high reliability.Firstly,the current research background and status of deterministic networking were summarized,and then a deterministic networking architecture for satellite communications was proposed and its key technologies were described.Finally,the outlook for future research directions was discussed.

关 键 词：星地融合 确定性网络 时间敏感 资源管理 

分 类 号：TN927[电子电信—通信与信息系统]