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Research on multiplexing of data transmission resource based on cas’s space science strategic priority programs
Hu, L.I.1; Chuanqi, H.A.N.1,2; Wenyan, Y.U.2; Qinyin, Y.U.E.1
Department运控部/科学卫星综合运控中心
Source Publication15th International Conference on Space Operations, 2018
2018
DOI10.2514/6.2018-2348
Language英语
ISBN9781624105623
AbstractSpace Science Mission Operation Center (SMOC) plays the role as the leader of Space Science Mission Operation in China. At present, SMOC undertakes various missions as follows, Dark Matter Particle Explorer (DAMPE) and Quantum Experiments at Space Scale (QUESS) are in the phase of in-orbit operation, while the Hard X-ray Modulation Telescope (HXMT), launched on June 2017, is in commissioning phase. All of them are parts of the CAS’s Space Science Strategic Priority Programs. The payload of DAMPE is composed of four sub-detectors. HXMT is Chinese first astronomical satellite. It will perform a broad band (1-250 keV) all-sky survey, in which a large number of massive black holes and other high energy objects will be detected. The payloads onboard HXMT include the High Energy X-ray Telescope, the Medium Energy X-ray Telescope, the Low Energy X-ray Telescope, as well as a Space Environment Monitor. The task of data transmission’s planning and scheduling is solved via multiplexing of time period. This kind of strategy is easy and robust which can guarantee the accuracy of data transmission task’s planning and execution while the staff of mission operation can easily master related skills. The frequency of the next seven-day data transmission station resource allocation is once a week for DAMPE, while the plan for the next day is determined daily for QUESS. To solve this problem, we noticed that the time of satellite’s passing territory is due to periodicity of satellite orbits. According to this, we could construct ground station multiplexing model and the scheduling model. Next, the permutation and combination of the station receiving time window would be calculated using the dynamic programming strategy. And the confliction of the ground station resources in receiving multi-satellites and multi-missions is overall considered and conclude the selective multiplexing schema list of data transmission resource. Then, considering the satellite’s data storage capacity and data transmission capacity, the model and the best evaluation technique is used to evaluate the multi-transmission solution on the arrangement of the ground station resources. © 2018, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.
Conference Name15th International Conference on Space Operations, SpaceOps 2018
Conference DateMay 28, 2018 - June 1, 2018
Conference PlaceMarseille, France
Indexed ByEI
Citation statistics
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7036
Collection运控部/科学卫星综合运控中心
Affiliation1.Satellite Mission Operation Center, National Space Science Center, CAS, Beijing; Beijing; 100190, China;
2.University of Chinese Academy of Science, Beijing; Beijing; 100049, China
Recommended Citation
GB/T 7714
Hu, L.I.,Chuanqi, H.A.N.,Wenyan, Y.U.,等. Research on multiplexing of data transmission resource based on cas’s space science strategic priority programs[C],2018.
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