scholarly journals Non‐geostationary satellite orbit communications satellite constellations history

2020 ◽  
Vol 39 (1) ◽  
pp. 1-5
Author(s):  
Tom Butash ◽  
Peter Garland ◽  
Barry Evans
Keyword(s):  
Satellite Orbit ◽  
Geostationary Satellite ◽  
Satellite Constellations

Geostationary Satellite Orbit Analysis Program (OSOAP)

1986 ◽  
Author(s):  
G. HURT ◽  
H. NG ◽  
H. AKIMA ◽  
C. FILIPPI
Keyword(s):  
Satellite Orbit ◽  
Geostationary Satellite ◽  
Analysis Program ◽  
Orbit Analysis

TRENDS AND CONCEPTS OF DEVELOPMENT OF COMMUNICATION NETWORKS USING NON-GEOSTATIONARY SATELLITE CONSTELLATIONS

2020 ◽  
Author(s):  
Г.В. Чечин
Keyword(s):  
Communication Networks ◽  
Performance Indicators ◽  
Information Exchange ◽  
Multiple Access ◽  
Communication Channels ◽  
Satellite Communications ◽  
Geostationary Satellite ◽  
Exchange System ◽  
Satellite Constellations ◽  
Communications Networks

Рассматриваются тенденции и концепции построения спутниковых сетей связи на базе негеостационарных орбитальных группировок. Анализ существующих и перспективных сетей основан на большом количестве показателей эффективности, таких как параметры орбитальных группировок, типы антенн, построение системы информационного обмена (протоколы многостанционного доступа и разделения каналов связи, протоколы маршрутизации и передачи информации по каналам связи), а также стоимость. The trends and concepts of satellite communications networks based on non-geostationary orbital constellations are considered. Analysis of existing and prospective networks is based on a large number of performance indicators, such as parameters of orbital constellations, type of antennas, construction of an information exchange system (protocols for multiple access and separation of communication channels, protocols for routing and transmitting information over communication channels), and cost.

Measurement of Tracking Accuracy of Antenna Using Precise Geostationary Satellite Orbit

2011 ◽  
Vol 128-129 ◽  
pp. 616-619 ◽  
Author(s):  
Ye Jun Wang ◽  
Ai Wu Zheng ◽  
Yong Qiang Fu ◽  
Yong Qing Liu
Keyword(s):  
Electromagnetic Wave ◽  
Conventional Method ◽  
Satellite Orbit ◽  
Geostationary Satellite ◽  
New Method ◽  
Tracking Accuracy ◽  
Very High

The conventional method to measure the tracking accuracy of antenna is based on the boresight tower. But the accuracy of this method is not very high because the result is easy to be disturbed by reflecting electromagnetic wave from ground, surrounding buildings and terrains under low elevation in measuring. And a boresight tower and a lot of corresponding equipments are needed in this method. It costs both time and money. This paper presents a new method of using precise geostationary satellite orbit to measure the tracking accuracy. It is easy to operate. Moreover, the accuracy of this method is higher than the conventional one. The feasibility of the new method is validated in comparison with the conventional one, so it can be used in the construction and maintenance of ground stations.

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