Satellite Communications in the 21st Century : Trends and Technologies. için kapak resmi
Satellite Communications in the 21st Century : Trends and Technologies.
Başlık:
Satellite Communications in the 21st Century : Trends and Technologies.
Yazar:
Iida, Takashi.
ISBN:
9781600864506
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 online resource (222 pages)
Seri:
Progress in Astronautics and Aeronautics ; v.202

Progress in Astronautics and Aeronautics
İçerik:
Cover -- Title -- Copyright -- Table of Contents -- Preface -- Acknowledgments -- Chapter 1 Overview of Satellite Communications -- I. Introduction -- II. Satellites on the World Stage -- A. Expanding Global Satellite Markets -- B. Historical Patterns of Satellite Growth -- III. The Evolution of New Satellite Designs to Meet Specialized Service Demand -- IV. Telecommunications and Satellite Megatrends -- A. Super Speed-The Intensity of Modern Technological Change -- B. Internet Growth and E-Services -- C. Business and Consumer Demand for Broadband Services -- D. New Satellite Architecture and User Terminals -- E. B2B vs Consumer Demand -- F. Regionalism and New Patterns of Globalization -- V. Overview of This Publication -- References -- Suggested Reading -- Questions for Discussion -- Chapter 2 Principles of Satellite Communications Systems -- I. Introduction -- II. Why Communications Satellites? -- III. Satellite Orbits -- IV. Concepts Involved in Satellite Communications -- A. Modulation -- B. Coding -- C. Frequency Allocations and Terminology -- D. Multiple Access -- E. Compression -- F. Frequency Conversion -- G. Antennas -- V. Satellite Link Elements -- A. Earth Stations -- B. Satellite Repeater -- C. Onboard Processing -- D. The Link Budget -- E. System Noise -- F. Figures of Merit -- VI. Summary and Conclusions -- References -- Questions for Discussion -- Chapter 3 Internet and New Broadband Satellite Capabilities -- I. Introduction -- II. Key Technologies for Broadband Satellite Communications -- A. Wide Bandwidth Transponder -- B. Multibeam Antennas -- C. Satellite Onboard Switching and Routing -- D. Ground Segment Technology -- III. Networking Architecture with Satellites -- A. Networking with a Bent-Pipe Transponder -- B. Networking with a Regenerative Transponder -- IV. Protocols and Standards -- A. Layer 1 -- B. Layer 2.

C. Layer 3 -- D. Layer 4 -- V. Technical and Application Demonstrations -- A. ATM Transmission Experiments with N-STAR -- B. US-Japan Trans-Pacific HDR Satellite Communication Experiements -- VI. Conclusions -- References -- Questions for Discussion -- Chapter 4 Mobile Service Update -- I. Introduction -- II. Operational and Forthcoming MSS Systems -- A. Inmarsat -- B. Japan's N-STAR -- C. United States' AMSC and Canada's MSAT -- D. Australia's MobileSat -- E. OmniTRACS and EutelTRACS -- F. ACeS -- G. Thuraya -- H. Other Proposed MSS -- I. Big LEO Satellite Systems -- J. Little LEO Satellite Systems -- III. Aeronautical Satellite Communications -- A. Tenzing Communications -- B. Airshow/Rockwell Collins -- C. AirTV -- D. Connexion by Boeing -- E. Regulatory Status -- IV. Digital Audio Broadcasting Services -- A. XM Satellite Radio -- B. Sirius Satellite Radio -- C. Global Radio for Europe -- D. WorldSpace for Africa and America -- E. Mobile Broadcasting Corporation in Japan -- V. Conclusion -- References -- Questions for Discussion -- Chapter 5 The Future of Satellite Broadcasting Systems -- I. Introduction -- II. History of Satellite Television-The Development of Transmission Standards -- A. HDTV Standards -- B. Standards? -- C. What Comes Next? -- III. Satellite Broadcasting Trends at the Beginning of the 21st Century -- A. Industry Trends -- B. Technology Trends -- C. Communications Technology Developments -- IV. New Services in the Coming Decade -- A. Internet Access via Satellite -- B. Multimedia Reception Enhancements -- C. Video on Demand -- D. Movie Delivery to Theaters -- E. Interactive Television (iTV) -- F. Broadcasting to Mobile Terminals -- G. Sound Broadcasting -- H. Aeronautical Broadcasting -- I. Convergence of Navigation, Communications, and Broadcasting -- V. Summary and Conclusions -- References -- Questions for Discussion.

Chapter 6 Technical Profile of Next Generation Satellite Technologies -- I. Introduction -- II. Method of Technology R&D for Future Communications Satellites -- III. Items of Technology R&D -- A. Pursuit of New Satellite Communications System -- B. Development of New Frequency Bands and Optical Communications -- C. Advanced Antennas -- D. Development of Ultra-High-Speed/Optical Transponders -- E. Super Miniaturization of Satellite -- F. Earth Terminals -- IV. Highlights of Technology -- A. HAPS -- B. Orbit Use -- C. Deployable Antenna -- D. Active Phased-Array Antennas (APAA) -- E. Ultrawide Band (UWB) -- F. Optical Communications -- G. Technological Challenges -- V. Conclusions -- References -- Questions for Discussion -- Chapter 7 The Next Thirty Years -- I. Introduction -- II. The Necessity of Communication Satellites in the IT Era -- A. The Necessity of Satellite Communications as a Complement to Terrestrial Networks -- B. The Capability of Satellites to Cope with Capacity Demands -- C. Necessity of R&D by Government -- III. A Future Vision of Satellite Communications -- A. Three-Generation Approach to the Future of Communications Satellites -- B. Target of Satellite Capacity -- IV. Consideration of a 2G-Satellite -- A. The 2G-Satellite with More Capacity -- B. Expansion to Global Services -- V. Three New Designs for Advanced GEO Platform Systems as 3G-Satellites -- A. Concept 3-1: Tethered GEO Platform Network -- B. Concept 3-2: Advanced Piezo-Electric Shaped Antennas GEO Platform System -- C. Concept 3-3: GEO Platform Swarm of Pico-Satellites -- VI. Cost Estimation of the Future Communications Satellite -- A. Factors Defining Cost Competitiveness -- B. Cost of Future Communications Satellites -- C. Consideration of Cost Trend -- D. Effective Development for the Longer Term -- E. Weight of the Future Satellites.

VII. Impact of Expanding Human Space Activities -- A. Requirements for the Manned Space Communication System -- B. Example of Earth-Moon Communication System -- VIII. Conclusions -- References -- Questions for Discussion -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W.
Notlar:
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2017. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.
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