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Author : Harish Ramchandran
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (47 download)
Download or read book Adaptive Equalization in Wideband Frequency-hop Spread-spectrum Communications written by Harish Ramchandran and published by . This book was released on 2000 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Clyde Dixon
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (41 download)
Download or read book Spread Spectrum Systems written by Robert Clyde Dixon and published by Wiley-Interscience. This book was released on 1976 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. M. Haines
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (227 download)
Download or read book Compression of Spread Spectrum Signals on an Excessively Dispersive Channel written by D. M. Haines and published by . This book was released on 1984 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are several new techniques for correcting time dispersive distortion of wideband and/or spread spectrum signals using signal processing capabilities which can be embedded into modern communications systems. These include adaptive channel equalization and in the case of spread spectrum signals, synchronous correlation, matched filtering and Rake processing. This paper shows several distinct advantages in the combination of matched filtering and Rake processing for handling dispersion of spread spectrum signals. Keywords include: Spread Spectrum; Rake; Pulse compression; Coherent detection; Adaptive equalizer; Linear equalizer; Channel coherence; and Signal processing.
Author : Amer A. Hassan
Publisher : Springer Science & Business Media
ISBN 13 : 9780792382652
Total Pages : 178 pages
Book Rating : 4.3/5 (826 download)
Download or read book Perspectives in Spread Spectrum written by Amer A. Hassan and published by Springer Science & Business Media. This book was released on 1998-08-31 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Perspectives in Spread Spectrum brings together studies and recent work on six exciting topics from the spread spectrum arts. The book gives a wide, collective view of trends, ideas, and techniques in the spread spectrum discipline, due to the authors' extensive work on spread spectrum techniques and applications from different vantage points. The inexorable march of electronics towards ever faster, ever smaller, and ever more powerful electronic and optical circuitry has wrought, and will continue to enable, profound changes in the spread spectrum arts, by allowing increasingly complex signalling waveforms and statistical tests to be implemented as the theory beyond spread spectrum continues to evolve. Perspectives in Spread Spectrum is divided into six chapters. The first chapter deals with sequence spreading design. There is not a single metric for design of spreading sequences; rather, the design is ideally tailored to the specific scenario of usage. This chapter delves into recent and very promising synthesis work. The second chapter deals with OFDM techniques. As channels become wider and trans-channel fading (or jamming) becomes frequency selective across the band, OFDM techniques may provide a powerful alternative design perspective. The third chapter is a generalization of the venerable Walsh functions. A new modulation scheme, Geometric Harmonic Modulation, GHM for short, is reviewed and characterized as a form of OFDM. From GHM, a further generalization of the Walsh functions is derived for non-binary signalling. The fourth chapter is concerned with some new and exciting results regarding the follower jammer paradigm. A counter-countermeasure technique is reviewed, notable for its counterintuitive characteristic which can be understood from a simple yet elegant game framework. The fifth chapter recounts some results pertaining to random coding for an optical spread spectrum link. The technique is based on laser speckle statistics and uses a coherent array of spatial light modulators at the transmitter but allows the receiver to be realized as a spatially distributed radiometric and therefore incoherent structure. The sixth and final chapter looks at an important and interesting application of spread spectrum to accurately locate a wideband, ‘bent pipe’, satellite transponder. It is, in a strong sense, an inverted GPS technique. Perspectives in Spread Spectrum serves as an excellent reference and source of ideas for further research, and may be used as a text for advanced courses on the topic.
Author : Marvin K. Simon
Publisher :
ISBN 13 : 9780881750157
Total Pages : 456 pages
Book Rating : 4.7/5 (51 download)
Download or read book Spread Spectrum Communications written by Marvin K. Simon and published by . This book was released on 1985 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel W. Bliss
Publisher : Cambridge University Press
ISBN 13 : 1107067731
Total Pages : 619 pages
Book Rating : 4.1/5 (7 download)
Download or read book Adaptive Wireless Communications written by Daniel W. Bliss and published by Cambridge University Press. This book was released on 2013-05-09 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adopting a balanced mix of theory, algorithms and practical design issues, this comprehensive volume explores cutting-edge applications in adaptive wireless communications and the implications these techniques have for future wireless network performance. Presenting practical concerns in the context of different strands from information theory, parameter estimation theory, array processing and wireless communication, the authors present a complete picture of the field. Topics covered include advanced multiple-antenna adaptive processing, ad hoc networking, MIMO, MAC protocols, space-time coding, cellular networks and cognitive radio, with the significance and effects of both internal and external interference a recurrent theme throughout. A broad, self-contained technical introduction to all the necessary mathematics, statistics, estimation theory and information theory is included, and topics are accompanied by a range of engaging end-of-chapter problems. With solutions available online, this is the perfect self-study resource for students of advanced wireless systems and wireless industry professionals.
Author : Don Torrieri
Publisher : Springer Nature
ISBN 13 : 3030753433
Total Pages : 715 pages
Book Rating : 4.0/5 (37 download)
Download or read book Principles of Spread-Spectrum Communication Systems written by Don Torrieri and published by Springer Nature. This book was released on 2022-04-12 with total page 715 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook, now in its 5th edition, provides updated state-of-the-art coverage of spread-spectrum communication systems with new applications throughout the book. In this edition, the author extends sections with more comprehensive details about many topics. Some of the more complex sections have been rewritten to make them easier to understand. New subsections, sections, figures, and problems have been added throughout the book. New or expanded topics include frequency-hopping systems with multisymbol CPFSK detection, derivations of spread-spectrum systems with differential data modulations, chaotic systems, channel-state information, and MIMO. As with previous edition, the author presents mathematical analyses of spread-spectrum systems that provide insights into their operations and limitations and are of theoretical and practical interest to both researchers and system designers. He includes updated problems at the end of each chapter, which are intended to assist readers in consolidating their knowledge and to give practice in analytical techniques. Eight appendices provide the mathematical tools that are useful in understanding the main text.
Author : Don Torrieri
Publisher : Springer Science & Business Media
ISBN 13 : 1441995951
Total Pages : 589 pages
Book Rating : 4.4/5 (419 download)
Download or read book Principles of Spread-Spectrum Communication Systems, Second Edition written by Don Torrieri and published by Springer Science & Business Media. This book was released on 2011-07-15 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a concise but lucid explanation of the fundamentals of spread-spectrum systems with an emphasis on theoretical principles. Throughout the book, learning is facilitated by many new or streamlined derivations of the classical theory. Problems at the end of each chapter are intended to assist readers in consolidating their knowledge and to provide practice in analytical techniques. The choice of specific topics is tempered by the author’s judgment of their practical significance and interest to both researchers and system designers. The evolution of spread spectrum communication systems and the prominence of new mathematical methods in their design provided the motivation to undertake this new edition of the book. This edition is intended to enable readers to understand the current state-of-the-art in this field. More than 20 percent of the material in this edition is new, including a chapter on systems with iterative channel estimation, and the remainder of the material has been thoroughly revised.
Author : Wonjin Park
Publisher :
ISBN 13 : 9781423574040
Total Pages : 99 pages
Book Rating : 4.5/5 (74 download)
Download or read book Interference Suppression for Spread Spectrum Signals Using Adaptive Beamforming and Adaptive Temporal Filter written by Wonjin Park and published by . This book was released on 1996-12-01 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interference and jamming signals are a serious concern in an operational military communication environment. This thesis examines the utility and performance of combining adaptive temporal filtering with adaptive spatial filtering (i.e. adaptive beamforming) to improve the signal-to-jammer ratio (SJR) in the presence of narrowband and wideband interference. Adaptive temporal filters are used for narrowband interference suppression while adaptive beamforming is used to suppress wideband interference signals. A procedure is presented for the design and implementation of a linear constraints minimum variance generalized sidelobe canceler (LCMV-GSC) beamformer. The adaptive beamformer processes the desired signal with unity gain while simultaneously and adaptively minimizing the output due to any undesired signal. Using the LCMV-GSC beamformer with a least mean squares (LMS) adaptive algorithm, it was shown that the tapped delay line (TDL) adaptive antenna array is more effective for the suppression of wideband jammer suppression than the linear array sensors (LAS) adaptive antenna array. Also a new technique for adaptive beamforming is presented which improves wideband interference suppression in a frequency-hopped environment. The output SJR improvement for the new technique compared to the conventional technique is as much as 15dB. Sometimes, multipath signals and jammers generated by a smart enemy are correlated with the desired signal which destroys the traditional beamformer's performance. After performing a spatial smoothing technique, adaptive beamforming can also be effective in suppressing the jamming signals that are highly correlated with the desired signal.
Author : Jean Walrand
Publisher : Morgan Kaufmann
ISBN 13 : 1558605746
Total Pages : 716 pages
Book Rating : 4.5/5 (586 download)
Download or read book High-performance Communication Networks written by Jean Walrand and published by Morgan Kaufmann. This book was released on 2000 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Retaining the first edition's technology-centred perspective, this book gives readers a sound understanding of packed-switched, circuit-switched and ATM networks, and techniques for controlling them.
Author : Ahmad R.S. Bahai
Publisher : Springer Science & Business Media
ISBN 13 : 0387225765
Total Pages : 422 pages
Book Rating : 4.3/5 (872 download)
Download or read book Multi-Carrier Digital Communications written by Ahmad R.S. Bahai and published by Springer Science & Business Media. This book was released on 2005-12-30 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: ulti-carrier modulation‚ Orthogonal Frequency Division Multi- Mplexing (OFDM) particularly‚ has been successfully applied to a wide variety of digital communications applications over the past several years. Although OFDM has been chosen as the physical layer standard for a diversity of important systems‚ the theory‚ algorithms‚ and implementation techniques remain subjects of current interest. This is clear from the high volume of papers appearing in technical journals and conferences. Multi-carrier modulation continues to evolve rapidly. It is hoped that this book will remain a valuable summary of the technology‚ p- viding an understanding of new advances as well as the present core technology. The Intended Audience This book is intended to be a concise summary of the present state of the art of the theory and practice of OFDM technology. The authors believe that the time is ripe for such a treatment. Particularly based on one of the author’s long experience in development of wireless systems (AB), and the other’s in wireline systems (BS)‚ we have - tempted to present a unified presentation of OFDM performance and xviii implementation over a wide variety of channels. It is hoped that this will prove valuable both to developers of such systems and to researchers and graduate students involved in analysis of digital communications.
Author : Kaveh Pahlavan
Publisher : John Wiley & Sons
ISBN 13 : 9780470779439
Total Pages : 656 pages
Book Rating : 4.7/5 (794 download)
Download or read book Networking Fundamentals written by Kaveh Pahlavan and published by John Wiley & Sons. This book was released on 2009-04-20 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on the physical layer, Networking Fundamentals provides essential information on networking technologies that are used in both wired and wireless networks designed for local area networks (LANs) and wide-area networks (WANs). The book starts with an overview of telecommunications followed by four parts, each including several chapters. Part I explains the principles of design and analysis of information networks at the lowest layers. It concentrates on the characteristics of the transmission media, applied transmission and coding, and medium access control. Parts II and III are devoted to detailed descriptions of important WANs and LANs respectively with Part II describing the wired Ethernet and Internet as well as cellular networks while Part III covers popular wired LANs and wireless LANs (WLANs), as well as wireless personal area network (WPAN) technologies. Part IV concludes by examining security, localization and sensor networking. The partitioned structure of the book allows flexibility in teaching the material, encouraging the reader to grasp the more simple concepts and to build on these foundations when moving onto more complex information. Networking Fundamentals contains numerous illustrations, case studies and tables to supplement the text, as well as exercises with solutions at the end of each chapter. There is also a companion website with password protected solutions manual for instructors along with other useful resources. Provides a unique holistic approach covering wireless communication technologies, wired technologies and networking One of the first textbooks to integrate all aspects of information networks while placing an emphasis on the physical layer and systems engineering aspects Contains numerous illustrations, case studies and tables to supplement the text, as well as exercises with solutions at the end of each chapter Companion website with password protected solutions manual and other useful resources
Author : Marvin K. Simon
Publisher : McGraw Hill Professional
ISBN 13 : 0071395709
Total Pages : 1250 pages
Book Rating : 4.0/5 (713 download)
Download or read book Spread Spectrum Communications Handbook, Electronic Edition written by Marvin K. Simon and published by McGraw Hill Professional. This book was released on 2001-09-22 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt: The acknowledged Spread-Spectrum Bible the most complete reference in the field! INCLUDESCD-ROM CONTAININGTHE ENTIRE BOOKIN FULLY-SEARCHABLE PDF Spread-spectrum systems have found important commercial applications in CDMA cellular networks and wireless personal communication networks. Communications engineers and technicians now have ready access to a wealth of spread-spectrum information in this exhaustive handbook the most comprehensive and authoritative compendium on spread-spectrum systems available anywhere. Written by recognized authorities in the field, the Handbook presents both theoretical basics and practical applications, providing succinct, results-oriented solutions to engineering problems. Starting with basic concepts and system models, the book covers: Anti-jamming communication systems Coherent direct-sequence systems Non-coherent frequency-hopped systems Coherent and differentially coherent modulation techniques Pseudonoise acquistion and tracking in direct sequence receivers Time and frequency synchronization of frequency-hopped receivers Low probability of intercept communications In addition, it offers an in-depth look at multiple access communications and positioning systems and discusses the growth of spread-spectrum applications. INCLUDES CD-ROM CONTAINING THE ENTIRE BOOK IN FULLY SEARCHABLE PDF
Author : Fritz E. Froehlich
Publisher : CRC Press
ISBN 13 : 9780824729165
Total Pages : 368 pages
Book Rating : 4.7/5 (291 download)
Download or read book The Froehlich/Kent Encyclopedia of Telecommunications written by Fritz E. Froehlich and published by CRC Press. This book was released on 1999-04-27 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Wireless Multiple Access Adaptive Communications Technique to Zworykin, Vladimir Kosma"
Author : Kaveh Pahlavan
Publisher : CRC Press
ISBN 13 : 1000797465
Total Pages : 543 pages
Book Rating : 4.0/5 (7 download)
Download or read book Understanding Communications Networks – for Emerging Cybernetics Applications written by Kaveh Pahlavan and published by CRC Press. This book was released on 2022-09-01 with total page 543 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information networking has emerged as a multidisciplinary diversified area of research over the past few decades. From traditional wired telephony to cellular voice telephony and from wired access to wireless access to the Internet, information networks have profoundly impacted our lifestyles as they have undergone enormous growth. To understand this technology, students need to learn several disciplines and develop an intuitive feeling of how they interact with one another. To achieve this goal, the book describes important networking standards, classifying their underlying technologies in a logical manner and gives detailed examples of successful applications.The emergence of wireless access and dominance of the Ethernet in LAN technologies has shifted the innovations in networking towards the physical layer and characteristics of the medium. This book pays attention to the physical layer while we provide fundamentals of information networking technologies which are used in wired and wireless networks designed for local and wide area operations. The book provides a comprehensive treatment of the wired IEEE802.3 Ethernet, and Internet as well as ITU cellular 2G-6G wireless networks, IEEE 802.11 for Wi-Fi, and IEEE 802.15 for Bluetooth, ZigBee and ultra-wideband (UWB) technologies. The novelty of the book is that it places emphasis on physical communications issues related to formation and transmission of packets and characteristics of the medium for transmission in variety of networks.Material presented in the book will be beneficial for students of Electrical and Computer Engineering, Computer Science, Robotics Engineering, Biomedical Engineering, or other disciplines who are interested in integration of navigation into their multi-disciplinary projects. The book provides examples with supporting MATLAB codes and hands-on projects throughout to improve the ability of the readers to understand and implement variety of algorithms.
Author :
Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jerry D. Gibson
Publisher : CRC Press
ISBN 13 : 1439817243
Total Pages : 813 pages
Book Rating : 4.4/5 (398 download)
Download or read book Mobile Communications Handbook written by Jerry D. Gibson and published by CRC Press. This book was released on 2017-12-19 with total page 813 pages. Available in PDF, EPUB and Kindle. Book excerpt: With 26 entirely new and 5 extensively revised chapters out of the total of 39, the Mobile Communications Handbook, Third Edition presents an in-depth and up-to-date overview of the full range of wireless and mobile technologies that we rely on every day. This includes, but is not limited to, everything from digital cellular mobile radio and evolving personal communication systems to wireless data and wireless networks Illustrating the extraordinary evolution of wireless communications and networks in the last 15 years, this book is divided into five sections: Basic Principles provides the essential underpinnings for the wide-ranging mobile communication technologies currently in use throughout the world. Wireless Standards contains technical details of the standards we use every day, as well as insights into their development. Source Compression and Quality Assessment covers the compression techniques used to represent voice and video for transmission over mobile communications systems as well as how the delivered voice and video quality are assessed. Wireless Networks examines the wide range of current and developing wireless networks and wireless methodologies. Emerging Applications explores newly developed areas of vehicular communications and 60 GHz wireless communications. Written by experts from industry and academia, this book provides a succinct overview of each topic, quickly bringing the reader up to date, but with sufficient detail and references to enable deeper investigations. Providing much more than a "just the facts" presentation, contributors use their experience in the field to provide insights into how each topic has emerged and to point toward forthcoming developments in mobile communications.
