Abstract
Spatial information network (SIN) is a network with high speed and periodicity of node operation. In recent days, China will build a complete asteroid monitoring and warning system and a near-Earth asteroid defense system. This requires launching more low-Earth orbit satellites. In order to adapt to the increase in the number of near-Earth satellites, the dynamic optimization of space information network topology between satellites will have research significance. Considering 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 annealing algorithm. In the process of simulated annealing, the network flow algorithm is innovatively proposed for neighborhood solution. Experiments show that the simulated annealing hybrid neighborhood algorithm is significantly better than the simulated annealing random neighborhood algorithm.
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- 1.
Supported by Sichuan Science and Technology Program (2023YFG0155).
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Yang, P., Zhou, S., Zhou, X. (2023). Optimization of a Network Topology Generation Algorithm Based on Spatial Information Network. In: Yu, Z., et al. Data Science. ICPCSEE 2023. Communications in Computer and Information Science, vol 1879. Springer, Singapore. https://doi.org/10.1007/978-981-99-5968-6_18
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DOI: https://doi.org/10.1007/978-981-99-5968-6_18
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