基于路由需求的空间信息系统星地链路及星间链路特征分析

计算机科学 ›› 2015, Vol. 42 ›› Issue (10): 65-70.

基于路由需求的空间信息系统星地链路及星间链路特征分析

钟涛,易先清,侯振伟,赵岳

国防科学技术大学信息系统工程重点实验室长沙410073,国防科学技术大学信息系统工程重点实验室长沙410073,国防科学技术大学信息系统工程重点实验室长沙410073,国防科学技术大学信息系统工程重点实验室长沙410073

出版日期:2018-11-14 发布日期:2018-11-14
基金资助:
本文受基于星间链路的空间信息网络可靠、灵活路由算法研究资助

Characteristic of Satellite Ground Links and Inter-satellite Links of Space Information System Based on Route equirement

ZHONG Tao, YI Xian-qing, HOU Zhen-wei and ZHAO Yue

Online:2018-11-14 Published:2018-11-14

摘要/Abstract

摘要： 有效的路由算法是空间信息系统需要解决的核心技术之一。由于卫星网络的拓扑结构的变化,空间信息系统的路由算法应充分考虑到星间、星地链路连通性特征及卫星网络的拓扑结构演化规律。分析了空间信息系统卫星网络体系结构,研究了星间、星地链路的几何特性,并利用STK仿真软件对星间、星地链路的性能进行仿真,通过分析仿真结果得到了某些星间链路、星地链路的链路连通性特性,进一步分析得到了空间信息系统信息传输网络拓扑结构的演化规律,其可为卫星链路的设计以及后续空间信息系统路由算法的研究提供一定的参考。

关键词: 路由需求,空间,信息系统,链路特征

Abstract: An effective routing algorithm is one of the core technologies of space information system that should be developed.Due to the changes of topology structure in satellite network,the connectivity features of the inter-satellite links(ISLs) and satellite-ground links(SGLs),and the topology structure evolution laws of satellite network should be taken into full consideration when studying the routing algorithm.This paper analyzed the architecture of satellite network of space information system and studied the geometric characteristics of ISLs and SGLs.With the simulation software STK,the characteristics of the ISLs and SGLs were simulated.By analyzing the simulation results,the connectivity features of the ISLs and SGLs were acquired and the topology structure evolution laws of satellite network were also obtained by further analyzing.The features and the laws will provide a reference for the design of satellite links and the research on the routing algorithm of space information system later.

Key words: Route requirement,Space,Information system,Link characteristics

钟涛,易先清,侯振伟,赵岳. 基于路由需求的空间信息系统星地链路及星间链路特征分析[J]. 计算机科学, 2015, 42(10): 65-70. https://doi.org/

ZHONG Tao, YI Xian-qing, HOU Zhen-wei and ZHAO Yue. Characteristic of Satellite Ground Links and Inter-satellite Links of Space Information System Based on Route equirement[J]. Computer Science, 2015, 42(10): 65-70. https://doi.org/

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