BudgetAnalysisandSimulationofInter-satelliteLinkinWalker-δConstellation

doi:10.3780/j.issn.1000-758X.2012.02.002

Chinese Space Science and Technology ›› 2012, Vol. 32 ›› Issue (2): 10-16.doi: 10.3780/j.issn.1000-758X.2012.02.002

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BudgetAnalysisandSimulationofInter-satelliteLinkinWalker-δConstellation

Han Songhui ^1,2，Gui Qingming ²，Li Jianwen ¹，Du Yuanlu²

(1InstituteofSurveyingandMapping,InformationEngineeringUniversity,Zhengzhou450052)
(2InstituteofScience,InformationEngineeringUniversity,Zhengzhou450001) 

Received:2011-09-26 Revision received:2012-04-25 Online:2012-04-25 Published:2012-04-25

Abstract

Abstract: There is a need for more discussion on the other transmission loss and a reasonable transmission power of inter-satellite link (ISL). Firstly, the criteriafor ISL establishment were given under the agreement of short average distance and small range of ISL azimuth, elevation angleanddistance.Secondly, the budget of the ISL, the free spacepropagationlossandothertransmissionlosswerediscussed,andthereferencevalueor the formulaofthesetransmissionlosseswasgivenlater.Furthermore,areasonabletransmissionpowerwas given bythe probabilisticknowledgeundertheconditionthatthemathematicalexpectationofthepracticaldatawasequaltotherateddataofthetransferrate.Then,thevarianceformulaofthedatatransmissionratewasderived.Finally,therangesofazimuth,elevationangleanddistanceofISLintheWalker27/3/1constellationwereanalyzedbysimulation.Theimpactofdifferentcarrierfrequenciesanddataratesonthetransmissionpowerwerediscussed,andareasonabletransmissionpowerwasalsodetermined.

Key words: Inter-satellite link, Transmission loss, Transmission power, Walker-&delta, constellation

HAN Song-Hui, GUI Qing-Ming, LI Jian-Wen, DU Yuan-Lu. BudgetAnalysisandSimulationofInter-satelliteLinkinWalker-δConstellation[J]. Chinese Space Science and Technology, 2012, 32(2): 10-16.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2012.02.002

https://journal26.magtechjournal.com/kjkxjs/EN/Y2012/V32/I2/10

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BudgetAnalysisandSimulationofInter-satelliteLinkinWalker-δConstellation

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