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Optimization of multi-state generation problem based on spatial information network topology

High-Confidence Computing 2023年第1期3卷 58-65页

作者： Peng Yang JiaYing Zhang Shijie Zhou Jinyu Zhou School of information and Software Engineering University of Electronic Science and Technology of ChinaChengdu 610054China School of Mathematical Sciences University of Electronic Science and Technology of ChinaChengdu 611731China

spatial information network is a kind of satellite network with high speed node movement and fast dynamic topology *** the increasing number of low-orbit satellites,the research on the subnets topology and dynamic optimization of space information networks has become an important direction to study the destructibility of spatial information *** this paper,two common objective functions in inter-satellite link assignment,network observation position and network communication factor are studied,and a multi-objective optimization model is *** first search,simulated annealing,NSGA-II and adaptive optimization simulated annealing were used to analyze and solve the *** comparing the solving efficiency of the model through simulation experiments,the difference of the results caused by the four algorithms is verified.

关键词： spatial information network Simulated annealing NSGA-II

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Optimization of a network Topology Generation Algorithm Based on spatial information network

引用

国际计算机前沿大会会议论文集 2023年第1期 246-255页

作者： Peng Yang Shijie Zhou Xiangyang Zhou School of information and Software Engineering University of Electronic Science and Technology of ChinaChengdu 610054People’s Republic of China Huawei Technologies Co. Ltd.Chengdu 611730People’s Republic of China

spatial information network(SIN)is a network with high speed and periodicity of node *** recent days,China will build a complete asteroid monitoring and warning system and a near-Earth asteroid defense *** requires launching more low-Earth orbit *** order to adapt to the increase in the number of near-Earth satellites,the dynamic optimization of space informa-tion network topology between satellites will have research signiﬁ***-ering the visibility of satellite networking,the connectivity of satellite nodes,and the number of links connected to the whole network,with the goal of minimizing the end-to-end delay between satellite nodes in the network as the optimization goal,a network topology optimization model that meets multiple constraints is constructed,and the model is solved using greedy algorithm and simulated anneal-ing *** the process of simulated annealing,the networkﬂow algorithm is innovatively proposed for neighborhood *** show that the simulated annealing hybrid neighborhood algorithm is signiﬁcantly better than the simulated annealing random neighborhood algorithm.

关键词： spatial information network Dynamic Optimization of network Topology network Flow Algorithm Simulated Annealing Algorithm

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