Robust dynamic topology control for ORS satellite laser communication networks
Received:April 04, 2019  Revised:December 01, 2019  download
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Author NameAffiliationE-mail
WANG Long Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,Shanghai 200050, China
University of Chinese Academy of Sciences, Beijing 100049, China
Innovation Academy for Microsatellite of Chinese Academy of Sciences. Shanghai 201210, China 
wangprchina@hotmail.com 
YIN Zeng-Shan Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,Shanghai 200050, China
Innovation Academy for Microsatellite of Chinese Academy of Sciences. Shanghai 201210, China 
yinzsh@mail.sim.ac.cn 
KONG Xin-Wei Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences,Shanghai 200050, China
Innovation Academy for Microsatellite of Chinese Academy of Sciences. Shanghai 201210, China 
 
SHI Shen   
Abstract:Inter-satellite laser links have the advantages of high data rate, long transmission distance and low probability of detection/intercept. It has become an important trend in satellite technology. The inter-satellite point-to-point laser links are high mobility, and have narrow beam width, which bring challenges to the PAT processes. Due to their high computational complexity and large delay, the existing free space networks (FSO)topology control strategies cannot be directly applied to satellite networks. In this article, an algebraic connectivity based network dynamic topology control scheme is proposed. With distributed construction and enhancement process, the network dynamic reconfiguration is accomplished. A modified edge perturbation method is developed, and proved to have lower computational complexity than existing methods. The scheme is distributed, self-organized and near real-time, it which meets the requirements of dynamic topology control well and will contribute to building operationally responsive space (ORS) satellite networks.
keywords:laser communication  dynamic topology control  algebraic graph theory  satellite networks
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