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Digital Communications

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Digital Communications

Digital Communications Book
Author : Ian Glover,Peter M. Grant
Publisher : Pearson Education
Release : 2010
ISBN : 9780273718307
Language : En, Es, Fr & De

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Book Description :

Digital techniques are central to almost all modern telecommunications systems. The third edition of Digital Communications has retained both its comprehensive coverage and its balance between theory, applications and systems implementation. Its main aim is to develop the mathematical theory of signal processing and use this theory to describe modern digital communications. This text is geared towards students who already have a technical understanding of electrical engineering from their introductory years at university and who wish to focus on digital communications. It covers everything these students will need to know, including modern techniques. It is also suitable for professional engineers.

A First Course in Digital Communications

A First Course in Digital Communications Book
Author : Ha H. Nguyen,Ed Shwedyk
Publisher : Cambridge University Press
Release : 2009-05-28
ISBN : 0521876133
Language : En, Es, Fr & De

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Book Description :

A concise introduction to the core concepts in digital communication, providing clarity and depth through examples, problems and MATLAB exercises. Its simple structure maps a logical route to understand the most basic principles in digital communication, and also leads students through more in-depth treatment with examples and step-by step instructions.

Secure Digital Communications

Secure Digital Communications Book
Author : G. Longo
Publisher : Springer Science & Business Media
Release : 1983-12-20
ISBN : 9783211817841
Language : En, Es, Fr & De

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Book Description :

Download Secure Digital Communications book written by G. Longo, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Digital Communications

Digital Communications Book
Author : Dr. J. S. Chitode
Publisher : Technical Publications
Release : 2020-12-01
ISBN : 9333224025
Language : En, Es, Fr & De

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Book Description :

There are eight chapters, useful appendix and solved question papers in the book. Basic digital communication, line codes and sampling methods are presented at the beginning. Digital pulse modulation techniques such as PCM, DPCM, DM, ADM are presented. Continuous wave digital modulation methods such as BPSK, DPSK, QPSK, QAM, BFSK and OOK are presented with mathematical analysis of modulators and receivers. Issues related to baseband transmission such as ISI, Nyquist pulse shaping criterian, optimum reception, matched filter and eye patterns are also discussed. Concepts of information theory such as discrete memoryless channels, mutual information, shannon's theorems on source coding are also presented. Coding using linear block codes, cyclic codes and convolutional coding is also discussed. Secured communication using spread spectrum modulation is also discussed in detail.

Digital Communications

Digital Communications Book
Author : Ananda Mitra
Publisher : Infobase Publishing
Release : 2010
ISBN : 1438133618
Language : En, Es, Fr & De

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Book Description :

Between September 2006 and May 2007, the online networking site Facebook doubled its number of visitors to 26 million. Today, it has more than 300 million active users worldwide. Though Facebook is just one tool people use to connect with each other, the myriad of other Web sites such as MySpace and the estimated 2 billion cellphones in use worldwide mean that more people than ever are using digital communication. Digital Communications: From E-mail to the Cyber Community looks at the digital tools used during interpersonal communication, such as cell phones, electronic mail, chat rooms, and social networking Web sites and how personal Web logs (blogs) and personally produced audio programs (podcasts) can serve to relay messages to the masses. This engaging volume also reveals the dangers of digital communication among people with bad intentions (i.e. spam and scams) and takes a look at future trends in digital communication and the effects of these tools on those people who have grown up with this digital communication access.

Digital Communications

Digital Communications Book
Author : Mehmet Safak
Publisher : John Wiley & Sons
Release : 2017-04-17
ISBN : 111909125X
Language : En, Es, Fr & De

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Book Description :

This is a modern textbook on digital communications and is designed for senior undergraduate and graduate students, whilst also providing a valuable reference for those working in the telecommunications industry. It provides a simple and thorough access to a wide range of topics through use of figures, tables, examples and problem sets. The author provides an integrated approach between RF engineering and statistical theory of communications. Intuitive explanations of the theoretical and practical aspects of telecommunications help the reader to acquire a deeper understanding of the topics. The book covers the fundamentals of antennas, channel modelling, receiver system noise, A/D conversion of signals, PCM, baseband transmission, optimum receiver, modulation techniques, error control coding, OFDM, fading channels, diversity and combining techniques, MIMO systems and cooperative communications. It will be an essential reference for all students and practitioners in the electrical engineering field.

Digital Communications

Digital Communications Book
Author : Pierre Jarry,Jacques N. Beneat
Publisher : Elsevier
Release : 2015-11-24
ISBN : 0081008767
Language : En, Es, Fr & De

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Book Description :

Digital communications plays an important role in numerical transmission systems due to the proliferation of radio beams, satellite, optic fibbers, radar, and mobile wireless systems. This book provides the fundamentals and basic design techniques of digital communications with an emphasis on the systems of telecommunication and the principles of baseband transmission. With a focus on examples and exercises, this book will prepare you with a practical and real-life treatment of communication problems. A complete analysis of the structures used for emission or reception technology A set of approaches for implementation in current and future circuit design A summary of the design steps with examples and exercises for each circuit

Digital Communications 2

Digital Communications 2 Book
Author : Didier Le Ruyet,Mylène Pischella
Publisher : John Wiley & Sons
Release : 2015-10-12
ISBN : 184821846X
Language : En, Es, Fr & De

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Book Description :

This second volume covers the following blocks in the chain of communication: the modulation baseband and transposed band, synchronization and channel estimation as well as detection. Variants of these blocks, the multicarrier modulation and coded modulations are used in current systems or future.

Digital Communications 2

Digital Communications 2 Book
Author : Safwan El Assad,Dominique Barba
Publisher : John Wiley & Sons
Release : 2020-12-15
ISBN : 1786305429
Language : En, Es, Fr & De

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Book Description :

It is a complete training in digital communications in the same book with all the aspects involved in such training: courses, tutorials with many typical problems targeted with detailed solutions, practical work concretely illustrating various aspects of technical implementation implemented. It breaks down into three parts. The Theory of information itself, which concerns both the sources of information and the channels of its transmission, taking into account the errors they introduce in the transmission of information and the means of protect by the use of appropriate coding methods. Then for the technical aspects of transmission, first the baseband transmission is presented with the important concept and fundamental technique of equalization. The performance evaluation in terms of probability of errors is systematically developed and detailed as well as the online codes used. Finally, the third part presents the Transmissions with digital modulation of carriers used in radio transmissions but also on electric cables. A second important aspect in learning a learner's knowledge and skills is this book. It concerns the "Directed Work" aspect of a training. This is an ordered set of 33 typical problems with detailed solutions covering the different parts of the course with practical work. Finally, the last aspect concerns the practical aspects in the proper sense of the term, an essential complement to training going as far as know-how. We propose here a set of 5 practical works.

Digital Communications 1

Digital Communications 1 Book
Author : Safwan El Assad,Dominique Barba
Publisher : John Wiley & Sons
Release : 2020-11-05
ISBN : 1119779774
Language : En, Es, Fr & De

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Book Description :

It is a complete training in digital communications in the same book with all the aspects involved in such training: courses, tutorials with many typical problems targeted with detailed solutions, practical work concretely illustrating various aspects of technical implementation implemented. It breaks down into three parts. The Theory of information itself, which concerns both the sources of information and the channels of its transmission, taking into account the errors they introduce in the transmission of information and the means of protect by the use of appropriate coding methods. Then for the technical aspects of transmission, first the baseband transmission is presented with the important concept and fundamental technique of equalization. The performance evaluation in terms of probability of errors is systematically developed and detailed as well as the online codes used. Finally, the third part presents the Transmissions with digital modulation of carriers used in radio transmissions but also on electric cables. A second important aspect in learning a learner's knowledge and skills is this book. It concerns the "Directed Work" aspect of a training. This is an ordered set of 33 typical problems with detailed solutions covering the different parts of the course with practical work. Finally, the last aspect concerns the practical aspects in the proper sense of the term, an essential complement to training going as far as know-how. We propose here a set of 5 practical works.

Chaotic Signals in Digital Communications

Chaotic Signals in Digital Communications Book
Author : Marcio Eisencraft,Romis Attux,Ricardo Suyama
Publisher : CRC Press
Release : 2018-09-03
ISBN : 1466557230
Language : En, Es, Fr & De

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Book Description :

Chaotic Signals in Digital Communications combines fundamental background knowledge with state-of-the-art methods for using chaotic signals and systems in digital communications. The book builds a bridge between theoretical works and practical implementation to help researchers attain consistent performance in realistic environments. It shows the possible shortcomings of the chaos-based communication systems proposed in the literature, particularly when they are subjected to non-ideal conditions. It also presents a toolbox of techniques for researchers working to actually implement such systems. A Combination of Tutorials and In-Depth, Cutting-Edge Research Featuring contributions by active leading researchers, the book begins with an introduction to communication theory, dynamical systems, and chaotic communications suitable for those new to the field. This lays a solid foundation for the more applied chapters that follow. A Toolbox of Techniques—Including New Ways to Tackle Channel Imperfections The book covers typical chaos communication methods, namely chaotic masking, chaotic modulation, chaotic shift key, and symbolic message bearing, as well as bidirectional communication and secure communication. It also presents novel methodologies to deal with communication channel imperfections. These tackle band-limited channel chaos communication, radio channels with fading, and the resistance of a special chaotic signal to multipath propagations. In addition, the book addresses topics related to engineering applications, such as optical communications, chaotic matched filters and circuit implementations, and microwave frequency-modulated differential chaos shift keying (FM-DCSK) systems. Insights for Both Theoretical and Experimental Researchers Combining theory and practice, this book offers a unique perspective on chaotic communication in the context of non-ideal conditions. Written for theoretical and experimental researchers, it tackles the practical issues faced in implementing chaos-based signals and systems in digital communications applications.

Introduction to Digital Communications

Introduction to Digital Communications Book
Author : Joachim Speidel
Publisher : Springer
Release : 2018-09-24
ISBN : 3030005488
Language : En, Es, Fr & De

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Book Description :

This book offers students, scientists and engineers an extensive introduction to the theoretical fundamentals of digital communications, covering single input single output (SISO), multiple input multiple output (MIMO), and time-variant systems. Further, the main content is supplemented by a wealth of representative examples and computer simulations. The book is divided into three parts, the first of which addresses the principles of wire-line and wireless digital transmission over SISO links. Digital modulation, intersymbol interference, and various detection methods are discussed; models for realistic time-variant, wireless channels are introduced; and the equivalent time-variant baseband system model is derived. Since not all readers may be familiar with this topic, Part II is devoted to the theory of linear time-variant systems. The generalized convolution is derived and readers are introduced to impulse response, the delay spread function, and system functions in the frequency domain. In addition, randomly changing systems are discussed. In turn, Part III deals with MIMO systems. It describes MIMO channel models with and without spatial correlation, including the Kronecker model. Both linear and nonlinear MIMO receivers are investigated. The question of how many bits per channel use can be transmitted is answered and maximizing channel capacity is addressed. Principles of space–time coding are outlined in order to improve transmission quality and increase data rates. In closing, the book describes multi-user MIMO schemes, which reduce interference when multiple users in the same area transmit their signals in the same time slots and frequency bands.

Multi Carrier Digital Communications

Multi Carrier Digital Communications Book
Author : Ahmad R.S. Bahai,Burton R. Saltzberg,Mustafa Ergen
Publisher : Springer Science & Business Media
Release : 2004-10-07
ISBN : 0387225757
Language : En, Es, Fr & De

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Book Description :

This second edition of Multi-Carrier Digital Communications: Theory and Applications of OFDM begins with a brief overview of multi-carrier communications. The authors then focus on the bandwidth efficient technology of OFDM, in particular the DSP techniques that have made the modulation format practical. Several chapters describe and analyze the sub-systems of an OFDM implementation, such as clipping, synchronization channel estimation, equalization, and coding. Analysis of performance over channels with various impairments is presented. The book continues with descriptions of three very important and diverse applications of OFDM that have been standardized and are now being deployed: ADSL, digital broadcasting, and wireless LANs for multi-Mbps communications. Finally, the book concludes with describing the OFDM-based multiple access techniques, ultra wideband technology, and WiMAX.

Digital Communications with Emphasis on Data Modems

Digital Communications with Emphasis on Data Modems Book
Author : Richard W. Middlestead
Publisher : John Wiley & Sons
Release : 2017-04-03
ISBN : 0470408529
Language : En, Es, Fr & De

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Book Description :

This book offers an easily accessible treatment of the theory and practice of digital data communications, explaining how to design, implement, and test software-defined radio modems. System analysts and designers will benefit from detailed system performance simulations that ensure compliance with end-user specified requirements under the expected channel conditions. The book features case studies and examples for end-to-end performance evaluations, simulation codes for waveform acquisition and data demodulation, design and analysis techniques, applications for microwave and millimeter wave bands, and much more.

Transitions from Digital Communications to Quantum Communications

Transitions from Digital Communications to Quantum Communications Book
Author : Malek Benslama,Hadj Batatia,Abderraouf Messai
Publisher : John Wiley & Sons
Release : 2016-07-18
ISBN : 1848219253
Language : En, Es, Fr & De

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Book Description :

This book addresses the move towards quantum communications, in light of the recent technological developments on photonic crystals and their potential applications in systems. The authors present the state of the art on extensive quantum communications, the first part of the book being dedicated to the relevant theory; quantum gates such as Deutsch gates, Toffoli gates and Dedekind gates are reviewed with regards to their feasibility as electronic circuits and their implementation in systems, and a comparison is performed in parallel with conventional circuits such as FPGAs and DSPs. The specifics of quantum communication are also revealed through the entanglement and Bell states, and mathematical and physical aspects of quantum optical fibers and photonic crystals are considered in order to optimize the quantum transmissions. These concepts are linked with relevant, practical examples in the second part of the book, which presents six integrated applications for quantum communications.

Performance Optimization of Digital Communications Systems

Performance Optimization of Digital Communications Systems Book
Author : Vladimir Mitlin
Publisher : CRC Press
Release : 2006-03-21
ISBN : 1420013343
Language : En, Es, Fr & De

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Book Description :

Because fine-tuning the parameters of a system is critical to a developer's success, Performance Optimization of Digital Communications Systems examines particular optimization problems in digital communications, presenting analytical techniques in combination with SystemView and MATLAB simulations. Consisting of ten chapters, this monograph presen

Digital Communications

Digital Communications Book
Author : Bernard Sklar,Fredric Harris
Publisher : Prentice Hall
Release : 2020-06-26
ISBN : 9780134588568
Language : En, Es, Fr & De

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Book Description :

Resource added for the Digital Media Technology program 102065.​

Review Of Digital Communication

Review Of Digital Communication Book
Author : J. Das
Publisher : New Age International
Release : 2003
ISBN : 9788122411799
Language : En, Es, Fr & De

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Book Description :

With The Global Trends In Communication And Data Networks, Leading To Idn And Isdn, There Is A Special Need For A Comprehensive Book On Thestate-Of-The-Art In Digital Communication. In The Absence Of Such A Reference Book, Most Of Our Senior Professionals And Academics Find It Very Hard To Keep Themselves Abreast Of The Recent Developments Leading To Information Revolution And Digital Revolution. The Present Volume Is An Attempt To Fill This Gap.The Book Consists Of Ten Chapters, And Discusses Such Topics As, Principles Of Digital Modulation, Source Encoding, Data Transmission Through Cables And Optical Fibres, Digital Radio Including Satellite Communication, Data Networks And Digital Switching, Information Theory And Coding, Survival Of Communication Including Spread Spectrum Techniques, And Future Trends Including Isdn. Conceptually The Chapters Attempt To Discuss From A System Point Of View, A Total Digital Communication Network, E.G., Idn, And The Total Range Of Signal Processing Techniques Has Been Presented In Subsequent Chapters, Thus Maintaining A Continuity Of Thought From End-To-End.The Book Is, Therefore, Addressed To Both Professionals In Telecommunications And Senior Students In This Area.

Modeling of Digital Communication Systems Using SIMULINK

Modeling of Digital Communication Systems Using SIMULINK Book
Author : Arthur A. Giordano,Allen H. Levesque
Publisher : John Wiley & Sons
Release : 2015-03-31
ISBN : 1118400054
Language : En, Es, Fr & De

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Book Description :

A comprehensive and detailed treatment of the program SIMULINK® that focuses on SIMULINK® for simulations in Digital and Wireless Communications Modeling of Digital Communication Systems Using SIMULINK® introduces the reader to SIMULINK®, an extension of the widely-used MATLAB modeling tool, and the use of SIMULINK® in modeling and simulating digital communication systems, including wireless communication systems. Readers will learn to model a wide selection of digital communications techniques and evaluate their performance for many important channel conditions. Modeling of Digital Communication Systems Using SIMULINK® is organized in two parts. The first addresses Simulink® models of digital communications systems using various modulation, coding, channel conditions and receiver processing techniques. The second part provides a collection of examples, including speech coding, interference cancellation, spread spectrum, adaptive signal processing, Kalman filtering and modulation and coding techniques currently implemented in mobile wireless systems. Covers case examples, progressing from basic to complex Provides applications for mobile communications, satellite communications, and fixed wireless systems that reveal the power of SIMULINK modeling Includes access to useable SIMULINK® simulations online All models in the text have been updated to R2018a; only problem sets require updating to the latest release by the user Covering both the use of SIMULINK® in digital communications and the complex aspects of wireless communication systems, Modeling of Digital Communication Systems UsingSIMULINK® is a great resource for both practicing engineers and students with MATLAB experience.

Error Correction Coding for Digital Communications

Error Correction Coding for Digital Communications Book
Author : George C. Clark Jr.,J. Bibb Cain
Publisher : Springer Science & Business Media
Release : 2013-06-29
ISBN : 1489921745
Language : En, Es, Fr & De

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Book Description :

Error-correction coding is being used on an almost routine basis in most new communication systems. Not only is coding equipment being used to increase the energy efficiency of communication links, but coding ideas are also providing innovative solutions to many related communication problems. Among these are the elimination of intersymbol interference caused by filtering and multipath and the improved demodulation of certain frequency modulated signals by taking advantage of the "natural" coding provided by a continuous phase. Although several books and nu merous articles have been written on coding theory, there are still noticeable deficiencies. First, the practical aspects of translating a specific decoding algorithm into actual hardware have been largely ignored. The information that is available is sketchy and is widely dispersed. Second, the information required to evaluate a particular technique under situations that are en countered in practice is available for the most part only in private company reports. This book is aimed at correcting both of these problems. It is written for the design engineer who must build the coding and decoding equipment and for the communication system engineer who must incorporate this equipment into a system. It is also suitable as a senior-level or first-year graduate text for an introductory one-semester course in coding theory. The book U"Ses a minimum of mathematics and entirely avoids the classical theorem/proof approach that is often seen in coding texts.