By Marcio Eisencraft, Romis Attux, Ricardo Suyama
Chaotic signs in electronic Communications combines primary historical past wisdom with cutting-edge tools for utilizing chaotic signs and platforms in electronic communications. The booklet builds a bridge among theoretical works and functional implementation to assist researchers reach constant functionality in sensible environments. It exhibits the prospective shortcomings of the chaos-based verbal exchange platforms proposed within the literature, quite once they are subjected to non-ideal stipulations. It additionally provides a toolbox of ideas for researchers operating to really enforce such systems.
A mix of Tutorials and In-Depth, state of the art Research
Featuring contributions via energetic prime researchers, the publication starts off with an creation to conversation concept, dynamical structures, and chaotic communications compatible for these new to the sphere. This lays a pretty good starting place for the extra utilized chapters that keep on with.
A Toolbox of Techniques—Including New how you can take on Channel Imperfections
The ebook covers common chaos communique equipment, specifically chaotic covering, chaotic modulation, chaotic shift key, and symbolic message bearing, in addition to bidirectional verbal exchange and safe verbal exchange. It additionally provides novel methodologies to accommodate communique channel imperfections. those take on band-limited channel chaos communique, radio channels with fading, and the resistance of a different chaotic sign to multipath propagations. furthermore, the e-book addresses themes regarding engineering purposes, comparable to optical communications, chaotic matched filters and circuit implementations, and microwave frequency-modulated differential chaos shift keying (FM-DCSK) systems.
Insights for either Theoretical and Experimental Researchers
Combining conception and perform, this publication bargains a different point of view on chaotic communique within the context of non-ideal stipulations. Written for theoretical and experimental researchers, it tackles the sensible matters confronted in enforcing chaos-based indications and platforms in electronic communications applications.
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Additional info for Chaotic Signals in Digital Communications
4 Optimum receiver structure (MAP/ML criteria) . . . . 5 Decision region and error probability . . . . . . . . . . 6 Error probability bounds . . . . . . . . . . . . . . . . Baseband communication systems . . . . . . . . . . . . . . . . 1 Line coding . . . . . . . . . . . . . . . . . . . . . . . 2 Complex-valued M-ary PAM . . . . . . . . . . . . . . Bandpass communication systems . . . . . . . . .
L. Devaney. An Introduction to Chaotic Dynamical Systems. Addison Wesley, Redwood City, CA, 2nd edition, 1989.  S. Hayes, C. Grebogi, and E. Ott. Communicating with chaos. Phys. Rev. , 70:3031–3034, May 1993.  S. Hayes, C. Grebogi, E. Ott, and A. Mark. Experimental control of chaos for communication. Phys. Rev. , 73:1781–1784, 1994.  L. Illing. Digital communication using chaos and nonlinear dynamics. Nonlinear Analysis: Theory, Methods & Applications, 71(12):E2958– E2964, December 2009.
Thus, thermal noise may also be considered a white noise in this frequency range. As mathematical modeling of communication channels considers that thermal noise has an additive eﬀect on the transmitted signals, this noise is most often known as Additive White Gaussian Noise (AWGN). Besides AWGN, diﬀerent channels may possess other speciﬁc noises, such as the impulsive noise present in wireless [7, 12] and Power-Line Communication (PLC) [25, 55] channels, and the shot noise encountered in optical ﬁber channels [1, 6].