面向天地一体化信息网络的星载交换技术发展现状与趋势  

On-Board Switching for Space-Integrated-Ground Information Network:Progress and Trends

作　　者：吴昊[1] 王帅 邓献策 刘沛龙 刘凯 晏坚 WU Hao;WANG Shuai;DENG Xiance;LIU Peilong;LIU Kai;YAN Jian(Department of Electronic Engineering,Tsinghua University,Beijing 100084,China;School of Aerospace Engineering,Tsinghua University,Beijing 100084,China;Beijing National Research Center of Information Science and Technology,Beijing 100084,China)

机构地区：[1]清华大学电子工程系,北京100084 [2]清华大学航天航空学院,北京100084 [3]北京信息科学与技术国家研究中心,北京100084

出　　处：《天地一体化信息网络》2021年第2期1-10,共10页Space-Integrated-Ground Information Networks

基　　金：国家自然科学基金资助项目(No.91738202);上海市市级科技重大专项(No.2018SHZDZX04);北京信息科学与技术国家研究中心资助项目(No.20031887521);中国博士后科学基金第67批面上资助项目(No.2020M670333)。

摘　　要：针对天地一体化信息网络的建设需求,分别对星载信道化交换技术和分组交换技术的关键问题与研究现状进行分析。其中,信道化交换的分析包括柔性数字信道化和微波光子变频交换,分组交换则以软件定义卫星网络为代表进行探讨。然后,针对空间组网与交换的未来研究方向,从系统容量、可靠性、管控效能、服务质量的角度,对星载交换技术的发展趋势与挑战进行展望,为天地一体化信息网络的长期规划提供参考。Considering the requirements of the space-integrated-ground information network,the technologies of on-board channelized switching and the technologies of on-board packet switching were surveyed.Among,the discussed channelized switching technologies include fl exible digital channelized switching and microwave photonic frequency conversion and switching,while the discussed packet switching technologies mainly include software-defi ned satellite network.Considering the future research directions of space networking and switching,the trends of on-board switching were discussed in terms of system capacity,reliability,effi ciency,and quality of service,which provided a reference for the long-term planning of the space-integrated-ground information network.

关 键 词：星载交换 信道化交换 分组交换 

分 类 号：TP927[自动化与计算机技术]