Software defined intelligent satellite-terrestrial integrated networks:Insights and challenges
作者机构：The State Key Laboratory of Networking and Switching TechnologyBeijing University of Posts and TelecommunicationsBeijing100876China
出 版 物：《Digital Communications and Networks》 (数字通信与网络（英文版）)
年 卷 期：2023年第9卷第6期
页 面：1331-1339页
核心收录：
学科分类：08[工学] 0835[工学-软件工程] 081202[工学-计算机软件与理论] 0812[工学-计算机科学与技术（可授工学、理学学位）]
基 金：This work was supported in part by the National Key Research and Development Program of China under Grant 2020YFB1806703 in part by the National Natural Science Foundation of China under Grant 62001053,Grant 61831002,and Grant 61925101 in part by Young Elite Scientist Sponsorship Program by China Institute of Communications,and in part by the BUPT Excellent Ph.D.Students Foundation under Grant CX2020106
主 题：Satellite-terrestrial network Software-defined network Artificial intelligence Reconfigurable networking
摘 要：Satellite-Terrestrial integrated Networks(STNs)have been advocated by both academia and industry as a promising network paradigm to achieve service continuity and ***,STNs suffer from problems including poor flexibility of network architecture,low adaptability to dynamic environments,the lack of network intelligence,and low resource *** handle these challenges,a Software defined Intelligent STN(SISTN)architecture is ***,the hierarchical architecture of the proposal is described and a distributed deployment scheme for SISTNs controllers is proposed to realize agile and effective network management and ***,three use cases in SISTNs are ***,key techniques and their corresponding solutions are presented,followed by the identification of several open issues in SISTNs including compatibility with existing networks,the tradeoff between network flexibility and performance,and so on.
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