A hierarchical autonomous system based space information network architecture and topology control  

作　　者：ZHANG Wei ZHANG Gengxin XIE Zhidong BIAN Dongming LI Yongqiang 

机构地区：[1]College of Communication Engineering,PLA University of Science and Technology,Nanjing 210007,China [2]Department of Optical and Electrical Equipment,Equipment Academy,Beijing 101416,China

出　　处：《Journal of Communications and Information Networks》2016年第3期77-89,共13页通信与信息网络学报（英文）

基　　金：supported by the National Natural Science Foundation of China(Nos.91338201,91438109,61401507).

摘　　要：SIN(Space Information Network)has recently emerged as a promising approach to solving the collaboration difficulty among current space programs.However,because of the SIN’s large scale,high component complexity,and dynamic characteristics,designing a proper SIN architecture is challenging.Firstly,we propose a novel SIN architecture,which is composed of GEO(Geostationary Earth Orbit)satellites as backbone network nodes,LEO(Low Earth Orbit)or other types of satellites as enhanced coverage nodes,and high-altitude platforms to meet the service requirements of emergency or hot-spot applications.Unlike most existing studies,the proposed architecture is AS(Autonomous-System)based.We decouple the complex SIN into simpler sub-networks using a hierarchical AS model.Then,we propose a topology control algorithm to minimize the time delay among sub-AS networks.We prove that the proposed algorithm achieves logical k-connectivity provided that the original physical topology has k-connectivity.Simulation results validate the theoretic analysis and effectiveness of the algorithm.

关 键 词：space information network ARCHITECTURE autonomous system topology control time delay strong connectivity 

分 类 号：G63[文化科学—教育学]