Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System
The regional navigation satellite system (RNSS) is recently used in some countries to cover or enhance their local navigation. The most important satellite navigation systems to date are in the Earth medium orbit (MEO) and Earth synchronous Earth orbit (GEO), which are characterized by big satellite...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Instituto de Aeronáutica e Espaço (IAE)
2021-06-01
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| Series: | Journal of Aerospace Technology and Management |
| Subjects: | |
| Online Access: | https://www.scielo.br/j/jatm/a/gs44FgMDg8kS3LjJVwkqdPk/?format=pdf&lang=en |
| _version_ | 1818174796213518336 |
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| author | Reza Zardashti Shiva Emami |
| author_facet | Reza Zardashti Shiva Emami |
| author_sort | Reza Zardashti |
| collection | DOAJ |
| description | The regional navigation satellite system (RNSS) is recently used in some countries to cover or enhance their local navigation. The most important satellite navigation systems to date are in the Earth medium orbit (MEO) and Earth synchronous Earth orbit (GEO), which are characterized by big satellites, and high launch, construction, and operation costs. In contrast, low Earth orbit (LEO) small-satellite constellations have recently become attractive because of their advantages, such as a significant reduction in system cost, an increase in communication volume, and a reduction in latency. Therefore, in this study, the spatial geometry of a LEO constellation is designed for Iran to increase the required regional navigation performance. For this purpose, the optimal constellation configuration is obtained through a multi-objective genetic algorithm (MOGA) utilizing a cost function with a combination of the geometry dilution of precision (GDOP), the number of satellites, and orbital height in the form of a design procedure. Moreover, reducing the feasible region of longitude of the ascending nodes of orbit planes is applied in the design process to reduce the search space. The simulation results indicate the constellation designed performance. |
| first_indexed | 2024-12-11T19:50:05Z |
| format | Article |
| id | doaj.art-07299d19779c4d2d9ca6aaa7dc634988 |
| institution | Directory Open Access Journal |
| issn | 1984-9648 2175-9146 |
| language | English |
| last_indexed | 2024-12-11T19:50:05Z |
| publishDate | 2021-06-01 |
| publisher | Instituto de Aeronáutica e Espaço (IAE) |
| record_format | Article |
| series | Journal of Aerospace Technology and Management |
| spelling | doaj.art-07299d19779c4d2d9ca6aaa7dc6349882022-12-22T00:52:47ZengInstituto de Aeronáutica e Espaço (IAE)Journal of Aerospace Technology and Management1984-96482175-91462021-06-0113132213221https://doi.org/10.1590/jatm.v13.1215Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite SystemReza Zardashti0Shiva Emami1Malek Ashtar University of Technology – Faculty of Aerospace – Tehran – IranMalek Ashtar University of Technology – Faculty of Aerospace – Tehran – IranThe regional navigation satellite system (RNSS) is recently used in some countries to cover or enhance their local navigation. The most important satellite navigation systems to date are in the Earth medium orbit (MEO) and Earth synchronous Earth orbit (GEO), which are characterized by big satellites, and high launch, construction, and operation costs. In contrast, low Earth orbit (LEO) small-satellite constellations have recently become attractive because of their advantages, such as a significant reduction in system cost, an increase in communication volume, and a reduction in latency. Therefore, in this study, the spatial geometry of a LEO constellation is designed for Iran to increase the required regional navigation performance. For this purpose, the optimal constellation configuration is obtained through a multi-objective genetic algorithm (MOGA) utilizing a cost function with a combination of the geometry dilution of precision (GDOP), the number of satellites, and orbital height in the form of a design procedure. Moreover, reducing the feasible region of longitude of the ascending nodes of orbit planes is applied in the design process to reduce the search space. The simulation results indicate the constellation designed performance.https://www.scielo.br/j/jatm/a/gs44FgMDg8kS3LjJVwkqdPk/?format=pdf&lang=enregional navigation satellite systemsatellite constellationmulti-objective genetic algorithmgeometry dilution of precisionlow earth orbit |
| spellingShingle | Reza Zardashti Shiva Emami Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System Journal of Aerospace Technology and Management regional navigation satellite system satellite constellation multi-objective genetic algorithm geometry dilution of precision low earth orbit |
| title | Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System |
| title_full | Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System |
| title_fullStr | Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System |
| title_full_unstemmed | Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System |
| title_short | Spatial Geometry Design of a Low Earth Orbit Constellation for Iranian Regional Navigation Satellite System |
| title_sort | spatial geometry design of a low earth orbit constellation for iranian regional navigation satellite system |
| topic | regional navigation satellite system satellite constellation multi-objective genetic algorithm geometry dilution of precision low earth orbit |
| url | https://www.scielo.br/j/jatm/a/gs44FgMDg8kS3LjJVwkqdPk/?format=pdf&lang=en |
| work_keys_str_mv | AT rezazardashti spatialgeometrydesignofalowearthorbitconstellationforiranianregionalnavigationsatellitesystem AT shivaemami spatialgeometrydesignofalowearthorbitconstellationforiranianregionalnavigationsatellitesystem |