一种MEO星座的覆盖性能及组网方案分析

doi:10.11959/j.issn.1000-0801.2022068

Abstract

Abstract:

Geostationary earth orbit (GEO) satellite orbit position resources have been scarce for a long time.The development of giant low-orbit satellite constellations has made the low-orbit resources unprecedentedly scarce.As a compromise between GEO and low earth orbit (LEO) constellations, the medium earth orbit (MEO) constellation will surely become a battle field for all countries.Referring to various MEO constellations in the world and our national conditions, a (6+4) MEO constellation was proposed.STK (Satellite Tool Kit) was used to simulate and analyze the constellation coverage performance, inter-satellite link characteristics, gateway site selection and coverage performance.Inter-orbit communication was realized through ground station relay, effectively avoiding various problems through inter-satellite links.The system was more simple and steady.It's much valuable in strategy in the circumstance of global low-orbit resources scarce.

Key words: MEO constellation, coverage performance, inter-orbit communication, networking scheme

CLC Number:

TN927+.23

Yanbin ZHAO, Renning WANG, Peipei HU. Analysis on the coverage performance and networking scheme of an MEO constellation[J]. Telecommunications Science, 2022, 38(4): 70-76.

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References 17

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轨道	全时覆盖区域	间断覆盖区域	盲区
赤道轨道	纬度0°～52.89°	纬度52.89°～57.7°	纬度57.7°～90°
极地轨道	纬度48.2°～90°	纬度0°～48.2°	无

轨际链路	链路建立时间
JidiSat12-ChidaoSat13	04:44—05:44
JidiSat12-ChidaoSat12	05:44—06:14
JidiSat11-ChidaoSat12	06:14—06:44
JidiSat11-ChidaoSat11	06:44—07:44

Analysis on the coverage performance and networking scheme of an MEO constellation

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