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Satellite-Based Navigation Systems
2012This chapter focuses on various satellite-based navigation systems. The most well-known and widespread system currently used for localization of a radio-receiving terminal is the global positioning system (GPS). All GPS satellites share the same frequency bands, making use of the code division multiple access (CDMA) technique. The transmitted signal on
Bacci G. +5 more
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Proceedings of the IEEE, 1978
This paper describes the measurement techniques employed to test the elements of a communications satellite system. Techniques for measuring the gain-to-noise-temperature ratio (G/T) of an earth station antenna are presented. The measurement of earth station polarization characteristics is discussed extensively in terms of the new requirement for ...
R.W. Kreutel, D.F. DiFonzo, C.E. Mahle
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This paper describes the measurement techniques employed to test the elements of a communications satellite system. Techniques for measuring the gain-to-noise-temperature ratio (G/T) of an earth station antenna are presented. The measurement of earth station polarization characteristics is discussed extensively in terms of the new requirement for ...
R.W. Kreutel, D.F. DiFonzo, C.E. Mahle
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Global Navigation Satellite System (GNSS)
Aircraft Systems, 2018Environmental Monitoring using GNSSUnderstanding GPSEngineering Satellite-Based Navigation and TimingGNSS Systems and EngineeringGlobal Navigation Satellite SystemsGlobal Navigation Satellite Systems, Inertial Navigation, and IntegrationGPS, GLONASS ...
semanticscholar +1 more source
IETE Journal of Education, 1995
Tracking of a satellite provides the most vital information about its position and its orbit in space. Tracking is very much essential not only during its launch for initial critical maneuvers but even after launch to maintain it in assigned slot in space.
S N Prasad, S Pal, S G Basu
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Tracking of a satellite provides the most vital information about its position and its orbit in space. Tracking is very much essential not only during its launch for initial critical maneuvers but even after launch to maintain it in assigned slot in space.
S N Prasad, S Pal, S G Basu
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Coupling dynamic characteristics of simplified model for tethered satellite system
Acta Mechanica Sinica, 2021Weipeng Hu +3 more
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Satellite Communication Systems
2004Satellite-based communication has become a major facet of the telecommunication industry for two major reasons. First, it provides a means of broadcasting information to a large number of people simultaneously. Thus, satellite communication systems are an important ingredient in the implementation of a global communication infrastructure.
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IEEE Communications Surveys & Tutorials, 2000
Recently, the interest in broadband satellite multimedia (BSM) systems has grown rapidly. Advancements in transmission technology have led to the availability of low-cost satellite earth terminals. The superior remote access capabilities of satellite networks are foreseen to provide broadband services to geographically diverse user groups.
Daniel J. Bem +2 more
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Recently, the interest in broadband satellite multimedia (BSM) systems has grown rapidly. Advancements in transmission technology have led to the availability of low-cost satellite earth terminals. The superior remote access capabilities of satellite networks are foreseen to provide broadband services to geographically diverse user groups.
Daniel J. Bem +2 more
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MILCOM 2007 - IEEE Military Communications Conference, 2007
In today's unpredictable and dynamic environment, flexibility is an important aspect in system design. Flexibility increases system capability and effectiveness, reduces long term cost, encourages innovation, and protects against uncertainty. It is often at odds with optimization.
Philip J. Lin, Thomas J. Kostas
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In today's unpredictable and dynamic environment, flexibility is an important aspect in system design. Flexibility increases system capability and effectiveness, reduces long term cost, encourages innovation, and protects against uncertainty. It is often at odds with optimization.
Philip J. Lin, Thomas J. Kostas
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2015
In this chapter, we review principles of hybrid radio access systems that are able to provide both terrestrial and satellite connectivity. Practical examples of the existing hybrid systems, such as digital video broadcasting-satellite services to handheld devices and TerreStar system, are also reviewed.
Juha Ylitalo +6 more
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In this chapter, we review principles of hybrid radio access systems that are able to provide both terrestrial and satellite connectivity. Practical examples of the existing hybrid systems, such as digital video broadcasting-satellite services to handheld devices and TerreStar system, are also reviewed.
Juha Ylitalo +6 more
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2016
This chapter applies the knowledge from Chapter 3 to a few illustrative satellite systems. The Hubble Space Telescope is one of the most impressive illustrations of the technology, even after 25 years of service. Smaller (commercial) systems are described as well, and illustrations are given of nighttime imaging.
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This chapter applies the knowledge from Chapter 3 to a few illustrative satellite systems. The Hubble Space Telescope is one of the most impressive illustrations of the technology, even after 25 years of service. Smaller (commercial) systems are described as well, and illustrations are given of nighttime imaging.
openaire +1 more source