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Book
Satellite Systems : Design, Modeling, Simulation and Analysis
Author:
Year: 2021 Publisher: London : IntechOpen,

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Abstract

This book provides a high-level overview of the current state of the art and future of satellite systems, satellite control systems, and satellite systems design. Chapters cover such topics as existing and future satellite systems, satellite communication subsystems, space control and Space Situation Awareness (SAA), machine learning methods with novel neural networks, data measurements in Global Navigation Satellite Systems, and much more. This volume is a practical reference for system engineers, design engineers, system analysts, and researchers in satellite engineering and advanced mathematical modeling fields.


Book
The Dynamics of Growth in Worldwide Satellite Communications Capacity
Authors: ---
ISBN: 1598752537 Year: 2002 Publisher: Santa Monica : RAND Corporation,

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The dynamics of growth in worldwide satellite communications capacity since the 1980s is closely related to general economic growth. Here, the author shows that the market can adjust swiftly to a surge in demand, and thus there may be little need to buy satellite capacity in advance.


Book
Issues in international telecommunications : government regulation of Comsat
Authors: ---
Year: 1987 Publisher: Santa Monica, CA : RAND Corporation,

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"The question of government regulation of the Communications Satellite Corporation (Comsat) is paramount because of Comsat's market power in providing international satellite circuits to U.S. users. Comsat is the monopoly supplier of INTELSAT international satellite links. However, Comsat's satellite monopoly does not translate into a full monopoly of U.S.-overseas communications links, since undersea cable is a substitute. Taking into account advances in cable technology, and especially the introduction of fiber optics, Comsat's market power is being eroded and government regulation is becoming less important. However, the Federal Communications Commission (FCC) imposes circuit-loading restrictions that force AT & T to use a greater number of satellite circuits, essentially guaranteeing Comsat a portion of AT & T's traffic. This report discusses the history of the FCC's attempt to regulate Comsat, assesses FCC actions to reduce Comsat's market power, and evaluates the past effects of and future needs for such regulation."--Rand Abstracts


Book
Writer-to-reader delays in military communications systems : a Project Air Force report
Authors: ---
Year: 1979 Publisher: Santa Monica, CA : RAND Corporation,

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Abstract

Background material to place in proper context the effect of the use of millimeter-wave earth-to-satellite links on military communications. The complete writer-to-reader message path is described, including administrative delays (approval, awaiting pick-up, local mail delivery), communications processing, and transmission time. Analysis of statistics on speed of service for AUTODIN, the principal military communications network at present, shows that the smallest contributions to the total message delay come from communications transit time, the only system delay that would be affected by rain outages in millimeter wave links. Over 25 percent of high-precedence traffic is delayed by several hours in administrative handling. The delay distribution is severely skewed toward larger delays, and the AUTODIN network serves the majority of users much better than is indicated by the mean delay. The report is a basic building block to place rain outages on EHF links in a realistic perspective.


Book
Employing commercial satellite communications : wideband investment options for the Department of Defense
Authors: --- --- ---
ISBN: 0833043897 Year: 2000 Publisher: Santa Monica, CA : Rand,

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Book
An overview and comparison of demand assignment multiple access (DAMA) concepts for satellite communications networks

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Book
Commercial space capabilities and market overview : the relationship between commercial space developments and the U.S. Department of Defense
Authors: --- --- ---
Year: 2022 Publisher: RAND Corporation

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The U.S. Space Force (USSF) and U.S. Department of Defense (DoD) are examining and pursuing various ways to leverage commercial space capabilities as part of their policy goal to promote the U.S. space industry and their strategy for improving the national security space architecture. As the commercial space industry continues to grow in capability, capacity, and diversity, opportunities for the USSF and DoD to leverage commercial capabilities are expanding. Specifically, the USSF is considering the role of the commercial space industry in its future space architecture and the innovation ecosystem. It is faced with many choices, such as which commercial capability option to leverage or for which military application it should use commercial instead of organic space capabilities. In this report, the authors conduct a broad review of seven commercial space sectors-satellite communications, space launch, remote sensing, environmental monitoring, space domain awareness, data transmit/receive networks, and space logistics-and characterize the capabilities and trends in each of them. The information gathered and included in this report is current as of June 15, 2020, and because of rapid changes in the commercial space industry, the authors also recommend sector-specific indicators to track future market developments.


Book
Concept-Level analytical procedures for loading nonprocessing commnunication satellites with direct-sequence, spread-spectrum signals

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Book
Optimal Commercial Satellite Leasing Strategies
Authors: ---
ISBN: 159875193X Year: 2002 Publisher: Santa Monica : RAND Corporation,

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Abstract

This report sets forth a ""rule of thumb"" that communications planners can use in making efficient satellite leasing decisions while facing uncertain demand for satellite services.


Book
Commercial and military communication satellite acquisition practices
Authors: --- --- ---
Year: 1985 Publisher: Santa Monica, CA : RAND Corporation,

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This study, by examining management practices and program outcomes associated with the acquisition of communication satellites by the Air Force and by the International Telecommunications Satellite Organization (INTELSAT), tests the contention that the commercial sector consistently manages acquisition programs better than the military. The study finds that the military and commercial programs are organized and managed in much the same way and that both produce well-functioning, useful spacecraft. Several significant differences in management practices and outcomes, however, suggest that the Air Force may be able to improve its acquisition activities. It concludes that, in carefully selected situations, there should be a place for the performance-oriented INTELSAT management practices.

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