<p>Thoroughly updated reference for engineers and telephone system managers. Provides readers with a total understanding of both the present and future status of digital technologies and telephone communications. DLC: Digital telephone systems.</p>

Digital Telephony and Network Integration

Keiser, Bernhard E.

Strange, Eugene

Science & Math

Florence, Kentucky, U.S.A.: Van Nostrand Reinhold

<p>What is "digital telephony"? To the authors, the term digital telephony de notes the technology used to provide a completely digital point-to-point voice communication system from end to end. This implies the use of digital technol ogy from one end instrument through the transmission facilities and switching centers to another end instrument. Digital telephony has become possible only because of the recent and ongoing surge of semiconductor developments allowing microminiaturization and high reliability along with reduced costs. This book deals with both the future and the present. Thus, the first chapter is entitled, "A Network in Transition." As baselines, Chapters 2, 3, and 10 provide the reader with the present status of telephone technology in terms of voice digitization as well as switching principles. The book is an outgrowth of the authors' continuing engineering education course, "Digital Telephony," which they have taught since January, 1980, to attendees from business, industry, government, common carriers, and tele phony equipment manufacturers. These attendees come from a wide variety of educational backgrounds. but generally have the equivalent of at least a bachelor's degree in electrical engineering. The book has been written to provide both the engineering student and the practicing engineer a working knowledge of the principles of present and future voice communication systems based upon the use of the public switched network. Problems or discussion questions have been included at the ends of the chapters to facilitate the book's use as a senior level or first year graduate level course text.</p>

Springer

This book provides an engineering description of the  methods used to process and transmit broadband signals. As such, it  includes both the analog and digital transmission of data and graphic  information, as well as multiplexed voice transmission.  The  technological developments of the past decade have brought to the  system designer a seeming wealth of possibilities for communications  transmission. The selection of the best method for a given  application, however, may be rendered difficult because much of the  information is scattered among several texts and many different  published papers. This text brings together in one volume a treatment  of all broadband communication system types at a level readily  understandable by the practicing engineer. It allows a detailed  understanding and evaluation of each system type, and provides the  information needed to structure special-purpose transmission systems.  The material has been developed over a period of ten years, during  which the author has been teaching a popular continuing engineering  education course on Broadband Communication Systems several times per  year. This course often is attended by recent engineering graduates  who express the need for more information at the senior and graduate  level on the engineering of transmission systems for high-speed data  and video, as well as for multi-channel voice. Thus, the book has been  written not only for the practicing engineer, but also to supplement  more theoretical texts used in telecommunications engineering  courses. Accordingly, problems are included at the ends of most of the  chapters. Chief engineers and engineering managers also will find  portions of the text useful in understanding the basic ideas and  structure of broadband communication system for overall end-to-end  system planning purposes.  While the emphasis of the book is on  broadband systems and technology, the principles are applicable  generally to narrowband systems as well. Readers interested in speech  coding techniques are referred to the book Digital Telephony and  Network Integration, [Van Nostrand Reinhold Company, Inc.],  co-authored with Eugene Strange. Such media as high-frequency radio  are not included because of their limited bandwidth per channel.  The  term wideband is used by some to designate systems up to 1.5 or 2.0  Mb/s, with higher transmission rates being designated  broadband. Others use the term broadband for any system whose  bandwidth is in excess of voice bandwidth. This text uses the name  broadband to encompass all systems operating at rates beyond those of  voice systems, without further delineation..

Broadband Coding, Modulation, and Transmission Engineering

Bernhard E. Keiser

Computers & Technology

Networking & Cloud Computing

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