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Employing Commercial Satellite Communications by Tim Bonds Pdf
This report assesses military use of commercial wideband satellites by evaluating their effectiveness across several characteristics defined by the United States Space Command. The cost of buying or leasing commercial systems is then found and compared with the cost of buying military systems with commercial characteristics.
Employing Commercial Satellite Communications: Wideband Investment Options for the Department of Defense by Anonim Pdf
The Department of Defense (DoD) is considering major investments in systems that exploit information to support warfighting, and communications between users around the globe will be key to transmitting and using this information. In the near term, there are not enough military systems to satisfy projected communications demand and commercial systems will have to be used. In the future, budgetary pressures will make it difficult for the services to satisfy the projected communications demand with dedicated military assets. This report seeks to answer several questions: 1) How much of the projected demand can be met with programmed and planned military assets?; 2) Can commercial technologies, systems, or services meet the remaining needs? How do commercial communication assets compare with military assets in their ability to meet criteria important to DoD? What steps might be taken to mitigate shortfalls?; 3) What is the expected cost of providing the projected communications demand?; and, 4) What investment strategies should DoD employ to minimize the expected cost? The many categories of military communications include everything from battlefield communications between mobile users to communications between fixed sites in rear areas. Some of these communications must be survivable in a nuclear war, and others need high levels of protection from detection, interception, or jamming. Some require verv high data rates, whereas others need only low data rates. Some communications can be by wire or fiber optic cable, whereas others must use wireless means. We have examined a specific category of communications-high bandwidth, minimally protected satellite communications. This category of military demand represents roughly half of the projected military satellite capacity needs. To the extent that use of commercial systems can satisfy this need, military systems can be used for more specialized communications needing a greater level of control over their operation.
Handbook on Satellite Communications by International Telecommunications Union Pdf
An essential overview of satellite communications from the organization that sets the international standards Since their introduction in the mid-1960s, satellite communications have grown from a futuristic experiment into an integral part of today's "wired world." Satellite communications are at the core of a global, automatically switched telephony network. Assembled by the International Telecommunication Union--the international organization that sets the standards for this rapidly growing industry--the Handbook on Satellite Communications, Third Edition brings together basic facts about satellite communications as related to the fixed-satellite service (FSS). It covers the main principles, technologies, and operation of equipment in a tutorial form. Updated to include the latest technologies and information, the Third Edition provides both the standards and technical information needed to implement and interact with satellite communication systems, including: * The components and basic characteristics of a satellite communication system * Regulatory considerations and system planning * SDH and ATM satellite transmissions * Analog and digital baseband signal processing and multiplexing * Carrier modulation techniques * Geostationary and non-geostationary systems * Interconnection of satellite and terrestrial networks * LEOS satellite networks and other recent developments As digital modulation and transmission replace analog techniques, and as satellites in non-geostationary and lower-altitude orbits open the way to new applications, satellite communications will continue to grow in use and importance. Everyone involved in the administration and operation of satellite communications will find this a crucial resource.
Space and Defense Policy by Damon Coletta,Frances T. Pilch Pdf
This edited volume introduces the reader to the role of space in military and defense strategy, and outlines some of the major foreign and domestic actors in the space arena, as well as constraints of law and treaties on activities in space. It also addresses science and technology as they relate to space policy. The book addresses three main questions: How does the realm of space fit into strategic thinking about national security? How does policy regarding space develop and what considerations, both in the United States and abroad, figure prominently in calculations about space policy? How do different states/nations/actors regard the role of space in their national security calculations and how do these policies impact each other? This book fills a niche in the space policy field, providing insights into space and strategy from international experts from the military, academic and scientific communities. A unique feature of the book is the chapter on science and technology, which utilizes the latest information available concerning space utilization and exploration.
Future Trends in Satellite Communications by Joseph N. Pelton Pdf
Guiding readers through the ups and downs of satellite technology, this guide attempts to solve the problems and make the coming trends and challenges easier to understand.
Optimal Commercial Satellite Leasing Strategies by Michael G. Mattock Pdf
The Department of Defense needs far more satellite communications capacity than it owns and thus must lease satellite communications services. Communications planners can use the "rule of thumb" set forth in this study to aid in making efficient satellite leasing decisions in the face of uncertain demand for satellite services. It is a simple, graphical technique. Extensions to the basic model show how price uncertainty and the ability to salvage unused capacity change the appropriate amount of capacity to lease.
Introduction to Satellite Communication by Bruce R. Elbert Pdf
Whether you are a technical or management professional, you can turn to this highly understandable and comprehensive overview of satellite technology, applications, and management. Thoroughly updated and expanded, this third edition boasts a wealth of new material, including added coverage of systems engineering as applied to satellite communications, clear explanations of all aspects of building and using a satellite systems, and discussions on digital communications and processing in modern satellite networks. The new edition also examines critical success factors and how to avoid the pitfalls in selecting satellite and ground resources. The book covers all the fundamentals of satellites, ground control systems, and earth stations, considering the design and operation of each major segment. You gain a practical understanding of the basic construction and usage of commercial satellite networks-how parts of a satellite system function, how various components interact, which role each component plays, and which factors are the most critical to success. Moreover, the book explores the economic, legal, and management issues involved in running the business of satellite communications.
