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Neuro-Fuzzy Equalizers for Mobile Cellular Channels

K. C. Raveendranathan



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CRC Press Inc
13 August 2013
WAP (wireless) technology; Computer networking & communications
Equalizers are present in all forms of communication systems. Neuro-Fuzzy Equalizers for Mobile Cellular Channels details the modeling of a mobile broadband communication channel and designing of a neuro-fuzzy adaptive equalizer for it. This book focuses on the concept of the simulation of wireless channel equalizers using the adaptive-network-based fuzzy inference system (ANFIS). The book highlights a study of currently existing equalizers for wireless channels. It discusses several techniques for channel equalization, including the type-2 fuzzy adaptive filter (type-2 FAF), compensatory neuro-fuzzy filter (CNFF), and radial basis function (RBF) neural network.

Neuro-Fuzzy Equalizers for Mobile Cellular Channels starts with a brief introduction to channel equalizers, and the nature of mobile cellular channels with regard to the frequency reuse and the resulting CCI. It considers the many channel models available for mobile cellular channels, establishes the mobile indoor channel as a Rayleigh fading channel, presents the channel equalization problem, and focuses on various equalizers for mobile cellular channels. The book discusses conventional equalizers like LE and DFE using a simple LMS algorithm and transversal equalizers. It also covers channel equalization with neural networks and fuzzy logic, and classifies various equalizers.

This being a fairly new branch of study, the book considers in detail the concept of fuzzy logic controllers in noise cancellation problems and provides the fundamental concepts of neuro-fuzzy. The final chapter offers a recap and explores venues for further research. This book also establishes a common mathematical framework of the equalizers using the RBF model and develops a mathematical model for ultra-wide band (UWB) channels using the channel co-variance matrix (CCM).

Introduces the novel concept of the application of adaptive-network-based fuzzy inference system (ANFIS) in the design of wireless channel equalizers Provides model ultra-wide band (UWB) channels using channel co-variance matrix Offers a formulation of a unified radial basis function (RBF) framework for ANFIS-based and fuzzy adaptive filter (FAF) Type II, as well as compensatory neuro-fuzzy equalizers Includes extensive use of MATLAB (R) as the simulation tool in all the above cases
By:   K. C. Raveendranathan
Imprint:   CRC Press Inc
Country of Publication:   United States
Dimensions:   Height: 235mm,  Width: 159mm,  Spine: 18mm
Weight:   522g
ISBN:   9781466581524
ISBN 10:   1466581522
Pages:   236
Publication Date:   13 August 2013
Audience:   College/higher education ,  College/higher education ,  Primary ,  Primary
Format:   Hardback
Publisher's Status:   Active
Introduction Introduction The Need for Equalizers Review of Contemporary Literature The Major Contributions of the Book Further Reading Overview of Mobile Channels and Equalizers Introduction The Mobile Cellular Communication System Fading Characteristics of Mobile Channels Channel Models Classification of Equalizers Conclusion Further Reading Neuro-Fuzzy Equalizers for Cellular Channels Introduction to Neuro-Fuzzy Systems Type-2 Fuzzy Adaptive Filter Adaptation of the Type-2 FAF for the Indoor Environment Conclusion Further Reading The ANFIS-Based Channel Equalizer Introduction Methods of Channel Equalizer Analysis and Design Mobile Channel Equalizer Based on ANFIS Equalization of UWB Systems Using ANFIS Conclusion Further Reading The Compensatory Neuro-Fuzzy Filter (CNFF) Introduction CNFF The Structure of CNFFs Conclusion Further Reading A Radial Basis Function Framework Introduction RBF Neural Networks Type- FAF Equalizer CNFF ANFIS Based Channel Equalizer Conclusion Further Reading A Modular Approach to Channel Equalization Introduction Nonlinear Channel Models Nonlinear Channel Equalizers A Modular Approach for Non-Linear Channel Equalizers Simulation Results Conclusion Further Reading OFDM and Spatial Diversity Introduction CDMA COFDM Conclusion Further Reading Conclusion Introduction The Major Achievements of the Work Confinements of the Work Scope for Further Research Further Reading Index

K.C. Raveendranathan holds a bachelor's degree in electronics and communication engineering, masters in electrical communication engineering, and Ph.D. in computer science and engineering. He worked in BEL Bangalore prior to joining College of Engineering Trivandrum, as a faculty. Now he is working as principal and professor in LBS Institute of Technology for Women Poojappura, Trivandrum, Kerala, India. Raveendranathan has over 25 years of teaching experience in various reputed government engineering colleges in Kerala. He has published over 12 papers in national/international conferences and journals and guided over a dozen UG and PG theses. He has also authored three textbooks. He is a life member of ISTE, Life Fellow of IETE, Life Fellow and Chartered Engineer of IE (India), and a senior member of IEEE.

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