Digital Communications Using Chaos and Nonlinear Dynamics

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Springer, Jul 20, 2006 - Science - 382 pages
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This book provides a summary of the research conducted at UCLA, Stanford University, and UCSD over the last ?ve years in the area of nonlinear dyn- ics and chaos as applied to digital communications. At ?rst blush, the term “chaotic communications” seems like an oxymoron; how could something as precise and deterministic as digital communications be chaotic? But as this book will demonstrate, the application of chaos and nonlinear dynamicstocommunicationsprovidesmanypromisingnewdirectionsinareas of coding, nonlinear optical communications, and ultra-wideband commu- cations. The eleven chapters of the book summarize many of the promising new approaches that have been developed, and point the way to new research directions in this ?eld. Digital communications techniques have been continuously developed and re?ned for the past ?fty years to the point where today they form the heart of a multi-hundred billion dollar per year industry employing hundreds of thousands of people on a worldwide basis. There is a continuing need for transmission and reception of digital signals at higher and higher data rates. There are a variety of physical limits that place an upper limit on these data rates, and so the question naturally arises: are there alternative communi- tion techniques that can overcome some of these limitations? Most digital communications today is carried out using electronic devices that are essentially “linear,” and linear system theory has been used to c- tinually re?ne their performance. In many cases, inherently nonlinear devices are linearized in order to achieve a certain level of linear system performance.

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About the author (2006)

Lawrence E. Larson holds an M.B.A. and a Ph.D. in electrical engineering from the University of California, Los Angeles, an M. Eng. and B.S. in electrical engineering from Cornell University, New York. Larson is director of the Center for Wireless Communications at the University of California, San Diego and past CWC Industry Chair Professor in Wireless Communications, Department of Electrical and Computer Engineering. A Fellow of the IEEE, he has conducted numerous research and development projects at Hughes Research Laboratories and Hughes Network Systems.

Jia-Ming Liu is Professor of Electrical Engineering at the University of California, Los Angeles. He received his PhD degree in applied physics from Harvard University in 1982. His research interests are in the areas of non-linear optics, ultrafast optics, photonic devices, optical wave propagation, nonlinear laser dynamics and chaotic communications. Dr Liu has written more than 150 scientific publications and holds 8 US patents. He is a fellow of the Optical Society of America.

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