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Tiered clustering-based management architecture in mega-satellite networks

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Hybrid orbital networking and the proliferation of satellites raise explosive management com-plexity in mega-satellite networks(MSNs)and prompt the management architecture to the hierarchy.In this regard,we propose a tiered clustering-based management architecture(TCMA)to realize the high-efficient and low-cost management performance.Specifically,based on the constrained satellite coverage,we derive an expression of the mapping relationship between the required control overhead of the controller interaction,the average path length of the proposed TCMA,and the corresponding number of management tiers and cluster size.The expression can determine the optimal number of tiers of the TCMA by minimizing the required flow table size between controllers,while ensuring high transmission efficiency.We then exhibit the elasticity of the hierarchical TCMA by adding the peer connections at the second-highest management tier to reduce maximum redundant paths.Simulation results verify the effectiveness of the proposed TCMA and illustrate that a 3-tier TCMA is sufficient for thousands of satellites.

mega-satellite networkshierarchical architectureaverage hoptiered structureclustering

Qi HAO、Di ZHOU、Min SHENG、Yan SHI、Jiandong LI

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State Key Laboratory of Integrated Service Networks,Xidian University,Xi'an 710071,China

National Key R&D Program of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaKey Research and Development Program of ShaanxiYoung Elite Scientists Sponsorship Program by CASTYoung Talent Fund of Xi'an Association for Science and Technology

2020YFB180610062371360621210012022ZDLGY05-022022QNRC001095920221337

2024

10.1007/s11432-023-3937-y

中国科学:信息科学(英文版)
中国科学院

中国科学:信息科学(英文版)

CSTPCDEI
影响因子：0.715
ISSN：1674-733X
年,卷(期)：2024.67(5)
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