Digital Satellite Communications Systems and Technologies PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Digital Satellite Communications Systems and Technologies PDF full book. Access full book title Digital Satellite Communications Systems and Technologies by A. Nejat Ince. Download full books in PDF and EPUB format.
Author: A. Nejat Ince Publisher: Springer Science & Business Media ISBN: 1461535786 Category : Technology & Engineering Languages : en Pages : 613
Book Description
Among the space activities of the last three decades satellite communications (SATCOM) has found the widest application in meeting both civil and military communications requirements. Several international, regional and national SATCOM systems of increasing capacity, capability and complexity have been and are being implemented over the years. The latest versions are utilizing such concepts as spot beams, processing transponders in SS-TDMA and operations in different frequency bands including the EHF band. On the military side, the United States of America, the United Kingdom, France and NATO (the North Atlantic Treaty Organisation) have been the only owners and operators of military SATCOM systems in the West. The systems in being and under development use satellites and ground terminals with characteristics which differ from the civilian ones with respect to frequency bands utilised and survivability and interoperability. The SATCOM has given the military users the potential of having much-needed mobility, flexibility and survivability in strategic and tactical communications for land, sea and air operations. It must, however, be said particularly for the military SATCOM systems that they have been evolved in big jumps, both in time and capability, each jump involving the deployment of two or three often specially designed large satellites, large expenses and rather traumatic transition between jumps. Despite these undesirable features these systems did not have the required degree of suevivability and flexibility.
Author: A. Nejat Ince Publisher: Springer Science & Business Media ISBN: 1461535786 Category : Technology & Engineering Languages : en Pages : 613
Book Description
Among the space activities of the last three decades satellite communications (SATCOM) has found the widest application in meeting both civil and military communications requirements. Several international, regional and national SATCOM systems of increasing capacity, capability and complexity have been and are being implemented over the years. The latest versions are utilizing such concepts as spot beams, processing transponders in SS-TDMA and operations in different frequency bands including the EHF band. On the military side, the United States of America, the United Kingdom, France and NATO (the North Atlantic Treaty Organisation) have been the only owners and operators of military SATCOM systems in the West. The systems in being and under development use satellites and ground terminals with characteristics which differ from the civilian ones with respect to frequency bands utilised and survivability and interoperability. The SATCOM has given the military users the potential of having much-needed mobility, flexibility and survivability in strategic and tactical communications for land, sea and air operations. It must, however, be said particularly for the military SATCOM systems that they have been evolved in big jumps, both in time and capability, each jump involving the deployment of two or three often specially designed large satellites, large expenses and rather traumatic transition between jumps. Despite these undesirable features these systems did not have the required degree of suevivability and flexibility.
Author: United States. Congress. House. Committee on Government Operations. Military Operations Subcommittee Publisher: ISBN: Category : Artificial satellites in telecommunication Languages : en Pages : 878
Book Description
Reviews progress in the military satellite program (IDCSP), as well as DOD procurement of communication satellite services.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
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.
Author: Tim Bonds Publisher: RAND Corporation ISBN: Category : Computers Languages : en Pages : 186
Book Description
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.
Author: Roger Cochetti Publisher: John Wiley & Sons ISBN: 1118907418 Category : Science Languages : en Pages : 264
Book Description
With a Preface by noted satellite scientist Dr. Ahmad Ghais, theSecond Edition reflects the expanded user base for this technologyby updating information on historic, current, and plannedcommercial and military satellite systems and by expanding sectionsthat explain the technology for non-technical professionals. The book begins with an introduction to satellite communicationsand goes on to provide an overview of the technologies involved inmobile satellite communications, providing basic introductions toRF Issues, power Issues, link issues and system issues. Itdescribes early commercial mobile satellite communications systems,such as Marisat and Marecs and their military counterparts. The book then discusses the full range of Inmarsat and othercurrent and planned geostationary, low earth orbiting and hybridmobile satellite systems from over a dozen countries andcompanies. It is an essential guide for anyone seeking acomprehensive understanding of this industry and militarytool. • Revised edition will serve both technical andnon-technical professionals who rely every day on mobile satellitecommunications • Describes and explains historic, current, and plannedcivil, commercial, and military mobile satellite communicationsystems. • First Edition charts and tables updated and expandedwith current material for today’s mobile satellite technology
Author: A. Nejat Ince
Author: United States. General Accounting Office
Author: A. Nejat Ince
Author: United States. Congress. House. Government Operations
Author: United States. Congress. House. Committee on Government Operations. Military Operations Subcommittee
Author: United States. General Accounting Office
Author: 
Author: Tim Bonds
Author: Roger Cochetti
Author: Market Intelligence Staff
Author: Desmond Ball