低轨卫星星座网络路由新方法  

New Routing Methods of LEO Satellite Networks

作　　者：董超颖 续欣 刘爱军 苌敬辉 DONG Chao-ying;XU Xin;LIU Ai-jun;CHANG Jing-hui(School of Communication Engineering,Army Engineering University of PLA,Nanjing 210000,China)

机构地区：[1]陆军工程大学通信工程学院,南京210000

出　　处：《计算机科学》2020年第12期285-290,共6页Computer Science

基　　金：国家自然科学基金(61901516);江苏省自然科学基金(BK20180578,BK20192002);中国博士后科学基金(2019M651648)。

摘　　要：低轨卫星星座具有传输时延低、传播损耗小和覆盖区域广等特点,是卫星通信领域的热门研究方向之一。星座路由技术作为低轨卫星星座网络的核心技术之一,引起了人们的广泛关注。近年来,为进一步满足不断涌现的大容量、高效率和高服务质量的卫星通信业务传输需求,出现了诸多研究成果,主要包括:基于人工智能的QoS星座路由算法、多层卫星星座路由算法和低轨星座多径路由算法。文中对近期国内外低轨卫星星座路由算法的前沿成果进行了归纳总结;对比分析了当前已有算法在计算复杂度、满足业务服务质量(Quality of Service,QoS)和拥塞控制3个方面的优化;针对未来的星座网络面临的业务需求,对未来的研究方向进行了展望。The Low-orbit satellite constellation has the characteristics of low transmission delay,small propagation loss,and wide coverage area.It is one of the hot research directions in the field of satellite communications.Constellation routing technology,as one of the core technologies of low-orbit satellite constellation networks,has attracted widespread attention and research.In recent years,in order to further meet the emerging transmission needs of satellite communications services with large capacity,high efficiency and high quality of service,many research results have been proposed,including:Artificial intelligence-based QoS constellation routing algorithms,Multilayer satellite constellation routing algorithms and Low-orbit constellation multipath routing algorithm.This article summarizes the recent advances in the routing algorithms of low-orbit satellite constellations at home and abroad;compares and analyzes the optimization of the algorithm in terms of computational complexity,meeting service QoS and congestion control;according to the business needs of future constellation networks,the research direction is prospected.

关 键 词：低轨卫星星座 路由算法 QOS 人工智能算法 多层卫星网络 多径路由 

分 类 号：TN927[电子电信—通信与信息系统]