Direct Broadcast Satellite Communications
Direct Broadcast Satellite Communications

Author: Donald C. Mead

Publisher: Pearson Education

Published: 2000

Total Pages: 328

ISBN-13:

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With its higher power and superior video and audio quality, Direct Broadcast Satellite (DBS) communications is proliferating worldwide. Many new DBS systems are evolving and with the introduction of HDTV, DBS technology is predicted to become even more prevalent. Written by a leading DBS authority, this book is required reading for anyone involved in this burgeoning field. This comprehensive reference describes the history and structure of DBS systems, the regulatory environment, the subsystems that support it, and the underlying compression technology that makes it commercially feasible. Direct Broadcast Satellite Communications can be read as a broad overview of DBS systems or can serve as a detailed technical description. In particular, the author thoroughly explains how MPEG compression standards are used to implement modern satellite broadcast systems. You will find complete information on key topics such as: International and FCC regulations Radio frequency components of DBS systems, including the shaped reflector antenna Forward error correction, looking at block codes, interleaving, and Viterbi decoding The use of cryptography for conditional access to subscription services MPEG system and transport layer MPEG-2 video and audio compression Connecting terrestrial systems and DBS uplinks The Integrated Receiver Decoder In addition, the book explores future developments, including the Spaceway and the Global Broadcast Service, as well as the MPEG-4 compression standards. Numerous case studies involving DIRECTV(TM) and the European DVB standard appear throughout the book. For other books in this series, see http://www.awl.com/cseng/wirelessseries/

Satellite and Terrestrial Radio Positioning Techniques
Satellite and Terrestrial Radio Positioning Techniques

Author: Davide Dardari

Publisher: Academic Press

Published: 2011-11-09

Total Pages: 465

ISBN-13: 0123820847

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Develop a whole range of location-aware personal devices and services using this all-encompassing reference of classical and state-of-the-art methods, techniques and applications for location and satellite positioning. Publisher's note.

Wireless Video Communications
Wireless Video Communications

Author: Lajos Hanzo

Publisher: John Wiley & Sons

Published: 2001-03-12

Total Pages: 1138

ISBN-13: 078036032X

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Bridging the gap between the video compression and communication communities, this unique volume provides an all-encompassing treatment of wireless video communications, compression, channel coding, and wireless transmission as a joint subject. WIRELESS VIDEO COMMUNICATIONS begins with relatively simple compression and information theoretical principles, continues through state-of-the-art and future concepts, and concludes with implementation-ready system solutions. This book's deductive presentation and broad scope make it essential for anyone interested in wireless communications. It systematically converts the lessons of Shannon's information theory into design principles applicable to practical wireless systems. It provides in a comprehensive manner "implementation-ready" overall system design and performance studies, giving cognizance to the contradictory design requirements of video quality, bit rate, delay, complexity error resilience, and other related system design aspects. Topics covered include information theoretical foundations block-based and convolutional channel coding very-low-bit-rate video codecs and multimode videophone transceivers high-resolution video coding using both proprietary and standard schemes CDMA/OFDM systems, third-generation and beyond adaptive video systems. WIRELESS VIDEO COMMUNICATIONS is a valuable reference for postgraduate researchers, system engineers, industrialists, managers and visual communications practitioners.

Secure Broadcast Communication
Secure Broadcast Communication

Author: Adrian Perrig

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 224

ISBN-13: 1461502292

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Secure Broadcast Communication in Wired and Wireless Networks presents a set of fundamental protocols for building secure information distribution systems. Applications include wireless broadcast, IP multicast, sensor networks and webs, ad hoc networks, and satellite broadcast. This book presents and compares new techniques for basic operations including: *key distribution for access control, *source authentication of transmissions, and *non-repudiation of streams. This book discusses how to realize these operations both with high performance processors and resource constrained processors. It shows how to protect against adversaries who inject packets or eavesdrop. The focus is on functional descriptions rather than theoretical discussions. Protocols are presented as basic building blocks that can be combined with each other and traditional security protocols. The book illustrates these protocols in practice by presenting a real implementation that provides security for an ad hoc sensor network. This book can serve as a textbook or supplementary reading in graduate level courses on security or networking, or can be used for self study.

Mobile Satellite Communication Networks
Mobile Satellite Communication Networks

Author: Ray E. Sheriff

Publisher: John Wiley & Sons

Published: 2003-05-09

Total Pages: 386

ISBN-13: 0470852577

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Mobile satellite services are set to change with the imminent launch of satellite personal communication services (S-PCS), through the use of non-geostationary satellites. This new generation of satellites will be placed in low earth orbit or medium earth orbit, hence, introducing new satellite design concepts. One of the first texts to cover this rapidly evolving field, this text provides the reader with an overview of mobile satellite systems, from their initial introduction (Inmarsat), current satellite-PCS (referring to such systems as Globalstar), through to Satellite-UMTS and an understanding of the following: * The design concepts associated with non-geostationary satellite systems (constellation, link budgets, Doppler) * The concepts of UMTS (network architecture, aims, in the context of IMT-2000) and the role foreseen for the satellite component (complementary to terrestrial network, network extension, global availability) * Inter-working between satellite and terrestrial networks (network architecture, ATM Adaptation Layer) * Radio interface technologies (WB-CDMA, TDMA, transmission environment) * Regulatory issues * Future services and applications * Potential satellite markets (prediction techniques, effect of tariffing policies on potential market) With leading edge information, this valuable resource will be indispensable to researchers, engineers, operators and market evaluators in satellite service industries and research institutions, as well as postgraduates and research students in the field.