Of related interest . Digital Telephony John Bellamy "As a departure from conventional treatment of communication theory, the book stresses how systems operate and the rationale behind their design, rather than presenting rigorous analytical formulations." --Telecommunications Journal Both a reference for telecommunication engineers and a text for graduate level engineering and computer science students, this book provides an introduction to all aspects of digital communication, with emphasis on voice digitization, digital transmission, digital switching, network synchronization, network control, and network analysis. Its aim is to present system level design considerations, and then relate the specific equipment to telephone networks around the world, particularly North America. 526 pp. (0 471-08089-6) 1982 A Reference Manual for Telecommunications Engineering Roger L. Freeman Here's a comprehensive reference for those who design, build, purchase, use, or maintain telecommunications systems, offering the only system design database devoted exclusively to the field. It pulls together a vast amount of information from such diverse sources as CCITT/CCIR, EIA, US Military Standards and Handbooks, NBS, BTL/ATT, REA, and periodicals and monographs published by over twenty principal manufacturers. Covers telephone traffic, transmission factors in telephony, outside plant-metallic pair systems, noise and modulation, radio-frequency data and regulatory information, facsimile transmission, and more. 1504 pp. (0 471-86753-5) 1985
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About the author JOHN A. C. BINGHAM received a BSc from Imperial College, London, in 1956, and an MSEE from Stanford University in 1961. He has worked for twenty years in data transmission--primarily concerned with the telephone network. In 1972 at Vadic Corporation, he invented the VA3400, the first full-duplex 1200 bit/s modem, which ushered in a new era of high-speed, full-duplex data transmission. Until 1985, he was manager of the Advanced Development department of Racal-Vadic, a Milpitas, California subsidiary of Racal Electronics PLC, specializing in modems and multiplexers. He is a senior member of the IEEE, has written about thirty technical papers, and holds five U.S. patents. He is currently an independent consultant, interested in extending the principles of data transmission to other fields, such as magnetic recording.
Of related interest Digital Telephony John Bellamy "As a departure from conventional treatment of communication theory, the book stresses how systems operate and the rationale behind their design, rather than presenting rigorous analytical formulations." Telecommunications Journal Both a reference for telecommunication engineers and a text for graduate level engineering and computer science students, this book provides an introduction to all aspects of digital communication, with emphasis on voice digitization, digital transmission, digital switching, network synchronization, network control, and network analysis. Its aim is to present system level design considerations, and then relate the specific equipment to telephone networks around the world, particularly North America. 526 pp. (0 471-08089-6) 1982 A Reference Manual for Telecommunications Engineering Roger L. Freeman Here s a comprehensive reference for those who design, build, purchase, use, or maintain telecommunications systems, offering the only system design database devoted exclusively to the field. It pulls together a vast amount of information from such diverse sources as CCITT/CCIR, EIA, US Military Standards and Handbooks, NBS, BTL/ATT, REA, and periodicals and monographs published by over twenty principal manufacturers. Covers telephone traffic, transmission factors in telephony, outside plant-metallic pair systems, noise and modulation, radio-frequency data and regulatory information, facsimile transmission, and more. 1504 pp. (0 471-86753-5) 1985
It has been predicted that the arrival of the all-digital telephone network would soon make modems obsolete. Yet this has not happened, nor is it likely to for at least another ten years. Meanwhile, the ever-increasing demand for data-communications systems, of which analog-based modems are a large and essential part, continues to elicit new theories and exciting applications. This book examines these new theories and applications of modem design, and includes several practical examples of how to choose and design all the major components of a modem. Emphasizing an applied approach throughout, The Theory and Practice of Modem Design first describes the various media through which data must be transmitted especially the most important one, the telephone network. Then, after a review of the basic theories of data transmission, the book discusses modulation methods, including the analysis of two new, controversial methods, with a fresh assessment of their usefulness and a description of how they can be implemented. Next, the book describes the overall architecture and all the major components of a receiver (with separate chapters for the critical functions of timing and carrier recovery, and linear and nonlinear adaptive equalization) using a careful blending of theory and specific practical examples, and considering both hardware and software implementations. The Theory and Practice of Modem Design also discusses two topics of great current interest to modem designers: convolutional coding for error correction and full-duplex operation (using both frequency division multiplexing and adaptive echo cancellation). There is also a section that explains all the ancillary functions that a practical modem must perform, plus two appendices that describe computer programs and diagnostic tests that can be used for designing and debugging. The Theory and Practice of Modem Design is the most-up-to-date working reference on the subject for a wide range of data communications professionals from product planners and marketing personnel to design and research engineers. It is also an ideal text for a graduate engineering course that emphasizes an applied approach to data communications, and an excellent secondary text for a more conventional, theory-based course on digital communications.
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