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Author : Ettiboua Angui
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)
Download or read book Conception d'un circuit integre VLSI turbo-decodeur written by Ettiboua Angui and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Olivier Raoul
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)
Download or read book Conception et performances d'un circuit integre turbo decodeur de codes produits written by Olivier Raoul and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : OLIVIER.. RAOUL
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (49 download)
Download or read book CONCEPTION ET PERFORMANCES D'UN CIRCUIT INTEGRE TURBO DECODEUR DE CODES PRODUITS written by OLIVIER.. RAOUL and published by . This book was released on 1997 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES TURBO CODES CONVOLUTIFS, INVENTES EN 1992 A L'ENSTBR PAR C. BERROU ET AL., SONT DES CODES CORRECTEURS D'ERREURS DONT LE POUVOIR DE CORRECTION AVOISINE LA LIMITE THEORIQUE DE SHANNON. LEURS EXCELLENTES PERFORMANCES ET LA FAIBLE COMPLEXITE DES DECODEURS CORRESPONDANTS ONT INCITE R. PYNDIAH ET AL. A TRANSPOSER LES CONCEPTS NOVATEURS DU TURBO DECODAGE DES CODES CONVOLUTIFS A DE PUISSANTS CODES EN BLOCS CONCATENES, LES CODES PRODUITS. EN 1994 A L'ENSTBR, R. PYNDIAH A PROPOSE UN ALGORITHME DE TURBO DECODAGE DES CODES PRODUITS DONT LES PERFORMANCES EN TERME DE TAUX D'ERREURS BINAIRES SE SONT AVEREES COMPARABLES A CELLE DES TURBO CODES CONVOLUTIFS, VOIRE MEILLEURES POUR LES RENDEMENTS DE CODAGE ELEVES (>0,7). CETTE THESE TRAITE DE L'INTEGRATION SUR SILICIUM DE CET ALGORITHME DE TURBO DECODAGE DES CODES PRODUITS. NOUS PROPOSONS DEUX ARCHITECTURES POUR IMPLANTER LE CIRCUIT. LA PREMIERE EST UNE STRUCTURE MODULAIRE DANS LAQUELLE LES DONNEES SONT TRAITEES SEQUENTIELLEMENT. LA SECONDE S'APPARENTE A UNE MACHINE DITE DE VON NEUMANN ET PERMET DE TRAITER LES DONNEES SEQUENTIELLEMENT OU PAR BLOCS. LES AVANTAGES ET INCONVENIENTS DE CHAQUE SOLUTION - EN TERMES DE DEBIT, DE LATENCE ET DE TAILLE DES MEMOIRES UTILISEES - SONT DISCUTES DANS L'ETUDE. NOUS ABORDONS ENSUITE LA CONCEPTION DE L'UNITE DE DECODAGE POUR DES CODES PRODUITS CONSTRUITS A PARTIR DE CODES BCH. LES SURFACES DE SILICIUM OBTENUES, BIEN QUE RELATIVEMENT IMPORTANTES, PERMETTENT DE CONCLURE A L'INTEGRABILITE DE L'ALGORITHME. NOUS PROPOSONS ALORS DIFFERENTES SOLUTIONS POUR REDUIRE DE PRES DE 60% LA SURFACE DE L'UNITE DE DECODAGE SANS DEGRADER SIGNIFICATIVEMENT LES PERFORMANCES DU CIRCUIT. CES RESULTATS, CONCRETISES PAR LA REALISATION D'UN PREMIER PROTOTYPE DE TURBO DECODEUR SUR CIRCUIT FPGA XILINX, FONT DES TURBO CODES EN BLOCS UNE ALTERNATIVE SEDUISANTE AUX SOLUTIONS RETENUES JUSQU'ALORS POUR LES TRANSMISSIONS NUMERIQUES NECESSITANT UNE FORTE EFFICACITE SPECTRALE ET UN TRES FAIBLE TAUX D'ERREURS.
Author : Alain Glavieux
Publisher : John Wiley & Sons
ISBN 13 : 1118613635
Total Pages : 323 pages
Book Rating : 4.1/5 (186 download)
Download or read book Channel Coding in Communication Networks written by Alain Glavieux and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of the subject of channel coding. It starts with a description of information theory, focusing on the quantitative measurement of information and introducing two fundamental theorems on source and channel coding. The basics of channel coding in two chapters, block codes and convolutional codes, are then discussed, and for these the authors introduce weighted input and output decoding algorithms and recursive systematic convolutional codes, which are used in the rest of the book. Trellis coded modulations, which have their primary applications in high spectral efficiency transmissions, are then covered, before the discussion moves on to an advanced coding technique called turbocoding. These codes, invented in the 1990s by C. Berrou and A. Glavieux, show exceptional performance. The differences between convolutional turbocodes and block turbocodes are outlined, and for each family, the authors present the coding and decoding techniques, together with their performances. The book concludes with a chapter on the implementation of turbocodes in circuits. As such, anyone involved in the areas of channel coding and error correcting coding will find this book to be of invaluable assistance.
Author : Cheng-Chi Wong
Publisher : Springer
ISBN 13 : 9781461483090
Total Pages : 0 pages
Book Rating : 4.4/5 (83 download)
Download or read book Turbo Decoder Architecture for Beyond-4G Applications written by Cheng-Chi Wong and published by Springer. This book was released on 2013-10-02 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the most recent techniques for turbo decoder implementation, especially for 4G and beyond 4G applications. The authors reveal techniques for the design of high-throughput decoders for future telecommunication systems, enabling designers to reduce hardware cost and shorten processing time. Coverage includes an explanation of VLSI implementation of the turbo decoder, from basic functional units to advanced parallel architecture. The authors discuss both hardware architecture techniques and experimental results, showing the variations in area/throughput/performance with respect to several techniques. This book also illustrates turbo decoders for 3GPP-LTE/LTE-A and IEEE 802.16e/m standards, which provide a low-complexity but high-flexibility circuit structure to support these standards in multiple parallel modes. Moreover, some solutions that can overcome the limitation upon the speedup of parallel architecture by modification to turbo codec are presented here. Compared to the traditional designs, these methods can lead to at most 33% gain in throughput with similar performance and similar cost.
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Author : Jacques Martinet
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612449251
Total Pages : 274 pages
Book Rating : 4.4/5 (492 download)
Download or read book Réalisation d'un turbo-décodeur paramétrable et modulaire en VLSI [microforme] written by Jacques Martinet and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1999 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacques Martinet
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Réalisation d'un turbo-décodeur paramétrable et modulaire en VLSI written by Jacques Martinet and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexander V. Sergienko
Publisher : CRC Press
ISBN 13 : 1420026607
Total Pages : 248 pages
Book Rating : 4.4/5 (2 download)
Download or read book Quantum Communications and Cryptography written by Alexander V. Sergienko and published by CRC Press. This book was released on 2018-10-03 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: All current methods of secure communication such as public-key cryptography can eventually be broken by faster computing. At the interface of physics and computer science lies a powerful solution for secure communications: quantum cryptography. Because eavesdropping changes the physical nature of the information, users in a quantum exchange can easily detect eavesdroppers. This allows for totally secure random key distribution, a central requirement for use of the one-time pad. Since the one-time pad is theoretically proven to be undecipherable, quantum cryptography is the key to perfect secrecy. Quantum Communications and Cryptography is the first comprehensive review of the past, present, and potential developments in this dynamic field. Leading expert contributors from around the world discuss the scientific foundations, experimental and theoretical developments, and cutting-edge technical and engineering advances in quantum communications and cryptography. The book describes the engineering principles and practical implementations in a real-world metropolitan network as well as physical principles and experimental results of such technologies as entanglement swapping and quantum teleportation. It also offers the first detailed treatment of quantum information processing with continuous variables. Technologies include both free-space and fiber-based communications systems along with the necessary protocols and information processing approaches. Bridging the gap between physics and engineering, Quantum Communications and Cryptography supplies a springboard for further developments and breakthroughs in this rapidly growing area.
Author : Xavier Begaud
Publisher : John Wiley & Sons
ISBN 13 : 1118586573
Total Pages : 217 pages
Book Rating : 4.1/5 (185 download)
Download or read book Ultra Wide Band Antennas written by Xavier Begaud and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultra Wide Band Technology (UWB) has reached a level of maturity that allows us to offer wireless links with either high or low data rates. These wireless links are frequently associated with a location capability for which ultimate accuracy varies with the inverse of the frequency bandwidth. Using time or frequency domain waveforms, they are currently the subject of international standards facilitating their commercial implementation. Drawing up a complete state of the art, Ultra Wide Band Antennas is aimed at students, engineers and researchers and presents a summary of internationally recognized studies.
Author : Alain Sibille
Publisher : Academic Press
ISBN 13 : 0123821959
Total Pages : 385 pages
Book Rating : 4.1/5 (238 download)
Download or read book MIMO written by Alain Sibille and published by Academic Press. This book was released on 2010-12-03 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foreword from Arogyaswami Paulraj, Professor (Emeritus), Stanford University (USA) - The first book to show how MIMO principles can be implemented in today's mobile broadband networks and components - Explains and solves some of the practical difficulties that arise in designing and implementing MIMO systems - Both theory and implementation sections are written in the context of the most recent standards: IEEE 802.11n (WiFi); IEEE 802.16 (WIMAX); 4G networks (3GPP/3GPP2, LTE)
Author : Roberto Verdone
Publisher : Springer Science & Business Media
ISBN 13 : 144712314X
Total Pages : 696 pages
Book Rating : 4.4/5 (471 download)
Download or read book Pervasive Mobile and Ambient Wireless Communications written by Roberto Verdone and published by Springer Science & Business Media. This book was released on 2012-01-02 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reporting the findings of COST 2100, a major European intergovernmental project, this volume offers system designers a good source of guidelines based on channel characterization and measurement-based modeling, as well as worthwhile ideas for future research.
Author : Marc Regier
Publisher : Woodhead Publishing
ISBN 13 : 0081005318
Total Pages : 486 pages
Book Rating : 4.0/5 (81 download)
Download or read book The Microwave Processing of Foods written by Marc Regier and published by Woodhead Publishing. This book was released on 2016-11-01 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Microwave Processing of Foods, Second Edition, has been updated and extended to include the many developments that have taken place over the past 10 years. Including new chapters on microwave assisted frying, microwave assisted microbial inactivation, microwave assisted disinfestation, this book continues to provide the basic principles for microwave technology, while also presenting current and emerging research trends for future use development. Led by an international team of experts, this book will serve as a practical guide for those interested in applying microwave technology. - Provides thoroughly up-to-date information on the basics of microwaves and microwave heating - Discusses the main factors for the successful application of microwaves and the main problems that may arise - Includes current and potential future applications for real-world application as well as new research and advances - Includes new chapters on microwave-assisted frying, microbial inactivation, and disinfestation
Author : Eric Brousseau
Publisher : Cambridge University Press
ISBN 13 : 1107013429
Total Pages : 463 pages
Book Rating : 4.1/5 (7 download)
Download or read book Governance, Regulation and Powers on the Internet written by Eric Brousseau and published by Cambridge University Press. This book was released on 2012-04-23 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: An interdisciplinary survey of the issues surrounding the governance of the Internet.
Author : Michael Möser
Publisher : Springer Science & Business Media
ISBN 13 : 3540927239
Total Pages : 540 pages
Book Rating : 4.5/5 (49 download)
Download or read book Engineering Acoustics written by Michael Möser and published by Springer Science & Business Media. This book was released on 2009-09-01 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Suitable for both individual and group learning, Engineering Acoustics focuses on basic concepts and methods to make our environments quieter, both in buildings and in the open air. The author’s tutorial style derives from the conviction that understanding is enhanced when the necessity behind the particular teaching approach is made clear. He also combines mathematical derivations and formulas with extensive explanations and examples to deepen comprehension. Fundamental chapters on the physics and perception of sound precede those on noise reduction (elastic isolation) methods. The last chapter deals with microphones and loudspeakers. Moeser includes major discoveries by Lothar Cremer, including the optimum impedance for mufflers and the coincidence effect behind structural acoustic transmission. The appendix gives a short introduction on the use of complex amplitudes in acoustics.
Author : Francine Krief
Publisher : John Wiley & Sons
ISBN 13 : 1118580893
Total Pages : 235 pages
Book Rating : 4.1/5 (185 download)
Download or read book Green Networking written by Francine Krief and published by John Wiley & Sons. This book was released on 2012-12-13 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on green networking, which is an important topic for the scientific community composed of engineers, academics, researchers and industrialists working in the networking field. Reducing the environmental impact of the communications infrastructure has become essential with the ever increasing cost of energy and the need for reducing global CO2 emissions to protect our environment. Recent advances and future directions in green networking are presented in this book, including energy efficient networks (wired networks, wireless networks, mobile networks), adaptive networks (cognitive radio networks, green autonomic networking), green terminals, and industrial research into green networking (smart city, etc.).
Author : Henry J. Caulfield
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (177 download)
Download or read book Coherent Optical Processing written by Henry J. Caulfield and published by . This book was released on 1975 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. Nicolescu
Publisher : Springer Science & Business Media
ISBN 13 : 1402061536
Total Pages : 156 pages
Book Rating : 4.4/5 (2 download)
Download or read book Global Specification and Validation of Embedded Systems written by G. Nicolescu and published by Springer Science & Business Media. This book was released on 2007-07-07 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers up a deep understanding of concepts and practices behind the composition of heterogeneous components. After the analysis of existing computation and execution models used for the specification and validation of different sub-systems, the book introduces a systematic approach to build an execution model for systems composed of heterogeneous components. Mixed continuous/discrete and hardware/software systems are used to illustrate these concepts. The benefit of reading this book is to arrive at a clear vision of the theory and practice of specification and validation of complex modern systems. Numerous examples give designers highly applicable solutions.
