NEW APPROACHES TO COVER REGIONAL SATELLITE SYSTEM DESIGN USING GDOP

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FAKOOR MAHDI; GHORBANI MOHADESE; BAKHTIARI MAJID

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:5 Page(s): 193-200

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Information Journal Paper

Title

NEW APPROACHES TO COVER REGIONAL SATELLITE SYSTEM DESIGN USING GDOP

Author(s)

FAKOOR MAHDI | GHORBANI MOHADESE | BAKHTIARI MAJID | Issue Writer Certificate

Keywords

EARTH COVERAGEQ1

CONSTELLATIONQ1

LEO ORBITQ1

CONFIGURATIONQ1

GDOPQ1

Abstract

Coverage of ground stations by satellites is a very important factor to access geographic, geotechnical and strategic information. This is generally achieved by one or more satellites with specified position and navigation. In this regard, in the area of low altitude orbits regional or global coverage of the Earth' s surface is achieved utilizing various mathematical methods to change the position and arrangement of satellites. In this study, the arrangement of certain number of satellites is performed to reach maximum coverage. It is assumed that the satellite CONSTELLATION is in the symmetrical Walker pattern. In this regard, taking into account the situation of user and determining the initial position of satellite in system, Geometric Dilution of Precision (GDOP), parameters are calculated utilizing a new model. The innovation in this new presented model is employing GDOP in an inverse manner. GDOP is a geometric standard in which the less related values for it represent more accuracy in determining the amount of coverage. In this study the effects of compression of the earth as well as chamfer are considered. The calculations are presented for specific geographic areas and only for one day. The results show that by taking advantage of the new computing model, the coverage area will dramatically increase. By organized employing of all the satellites in the CONSTELLATION, with the best received information from satellites, better coverage can be achieved.

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APA: Copy

FAKOOR, MAHDI, GHORBANI, MOHADESE, & BAKHTIARI, MAJID. (2017). NEW APPROACHES TO COVER REGIONAL SATELLITE SYSTEM DESIGN USING GDOP. MODARES MECHANICAL ENGINEERING, 17(5 ), 193-200. SID. https://sid.ir/paper/179189/en

Vancouver: Copy

FAKOOR MAHDI, GHORBANI MOHADESE, BAKHTIARI MAJID. NEW APPROACHES TO COVER REGIONAL SATELLITE SYSTEM DESIGN USING GDOP. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(5 ):193-200. Available from: https://sid.ir/paper/179189/en

IEEE: Copy

MAHDI FAKOOR, MOHADESE GHORBANI, and MAJID BAKHTIARI, “NEW APPROACHES TO COVER REGIONAL SATELLITE SYSTEM DESIGN USING GDOP,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 5 , pp. 193–200, 2017, [Online]. Available: https://sid.ir/paper/179189/en

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