Chaos-Based Digital Communication Systems: Operating - download pdf or read online

By F. C. M. Lau, C. K. Tse (auth.)

ISBN-10: 3642056164

ISBN-13: 9783642056161

ISBN-10: 3662051834

ISBN-13: 9783662051832

This publication addresses the applying of chaos in verbal exchange platforms. An rising self-discipline, chaos-based communique has been a huge study subject some time past 20 years. This publication specializes in very important features of the procedure operation, research, and function assessment of chosen chaos-based conversation platforms, e.g., chaos-shift-keying (CSK) and differential CSK (DCSK) platforms. The e-book is written for graduate point readership.

The major emphases are research options and function reviews. Chaos-based verbal exchange structures are spread-spectrum structures, and as a result should still offer a number of entry and are anticipated to own anti-jamming services. The functionality of the chaos-based electronic communique structures less than multi-user environments is studied intimately. This publication offers thorough reviews of the anti-jamming functions of chaos-based electronic conversation structures below single-tone jammers and pulsed-noise jammers. an in depth research of the level of mutual interference within the most likely useful occasion that chaos-based platforms and traditional structures function in shared frequency bands is usually given. moreover, a few chosen learn subject matters are mentioned, e.g., detection tools, a number of entry ideas, etc.

Being study orientated, the booklet will locate curiosity between researchers, professors, graduate scholars, expertise builders, and R&D engineers in communications. ordinarily, readers will enjoy the designated exposition of study equipment and the thorough reviews of chaos-based platforms. particularly, researchers who're new to the sector will speedy get conversant in the mandatory analytical recommendations for learning chaos-based electronic conversation structures, whereas skilled researchers will locate the various benchmark effects necessary for reference and additional study.

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Extra info for Chaos-Based Digital Communication Systems: Operating Principles, Analysis Methods, and Performance Evaluation

Example text

Performance Analysis of Coherent CSK Systems problem because of the lack of robust techniques for chaos synchronization which are needed for coherent detection. At the time of writing, this issue remains unresolved and there are strong evidence that non-coherent systems could be more realistic in terms of feasibility for practical implementation [Chen and Yao (2000); Kennedy and Kolumban (2000a)]. Nonetheless, coherent systems are theoretically superior systems under the assumption of an AWGN channel.

Since both numerical simulation and analytical method are involved in obtaining the BER, we refer to this method as mixed analysis-simulation (MAS) technique. 2 Analytical BERs. When certain specific conditions hold, closedform analytical expressions for the BERs may be derived. , the mean squared values of all chaotic signals are the same. Writing the average power, Ps , as Ps = E[(i;~1))2l = E[(i;~2))2l = ... = E[(i;~N))2l = E[(i;~1))2l = E[(i;~2))2l = ... 28) and var[y(j)l(a(j) = +1)] = 2{3var[(i;~))2] + 2{3(2N -l)P; + 2{3NoP s + ~ ~ L L cov[(i;~))2, (i;~))2] + k=l m=l + 2 ~ E2[i;~)i;~)] k=l m=l k#m N ~ L L k#m 2(3 2(3 LL L E[i;~i)i;~]E[i;~)i;~l].

Before embarking on the detailed analysis of the coherent CSK system, we should stress that coherent systems in general pose a practicality F. C. M. , Chaos-Based Digital Communication Systems © Springer-Verlag Berlin Heidelberg 2003 42 3. Performance Analysis of Coherent CSK Systems problem because of the lack of robust techniques for chaos synchronization which are needed for coherent detection. At the time of writing, this issue remains unresolved and there are strong evidence that non-coherent systems could be more realistic in terms of feasibility for practical implementation [Chen and Yao (2000); Kennedy and Kolumban (2000a)].

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Chaos-Based Digital Communication Systems: Operating Principles, Analysis Methods, and Performance Evaluation by F. C. M. Lau, C. K. Tse (auth.)


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