Topology Virtualization and Dynamics Shielding Method for LEO Satellite Networks

被引：40

作者：

Chen, Quan ^{[1
]}

Guo, Jianming ^{[1
]}

Yang, Lei ^{[1
]}

Liu, Xianfeng ^{[1
]}

Chen, Xiaoqian ^{[2
]}

机构：

[1] Natl Univ Defense Technol, Coll Aerosp Sci & Engn, Changsha 410072, Peoples R China

[2] Chinese Acad Mil Sci, Natl Innovat Inst Def Technol, Beijing 100071, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2020年 / 24卷 / 02期

关键词：

Satellites; Network topology; Earth; Planetary orbits; Aerodynamics; Topology; Low earth orbit (LEO); satellite network; dynamics shielding; virtual node; ROUTING ALGORITHM;

D O I：

10.1109/LCOMM.2019.2958132

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Virtual Node (VN) method is widely adopted to handle satellite network topological dynamics. However, conventional VN method is insufficient when earth rotation and inter-plane phase difference are considered. An improved VN method based on Celestial Sphere Division is proposed to overcome the defects of the conventional method. An optimized inter-satellite link connecting mode is derived to achieve maximal available links. The optimal VN division solution and addressing scheme are designed to generate a nearly static virtual network and solve the asynchronous switches caused by inter-plane phase difference. Comparison results demonstrate the advantages of proposed method.

引用

页码：433 / 437

页数：5

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