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Author : Ziad CHOUEIRI
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (494 download)
Download or read book Modélisation mathématique des sources de trafic pour les réseaux ATM written by Ziad CHOUEIRI and published by . This book was released on 1991 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : André-Luc Beylot
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (49 download)
Download or read book Modèles de trafics et de commutateurs pour l'évaluation de la perte et du délai dans les réseaux ATM written by André-Luc Beylot and published by . This book was released on 1993 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le développement de la technique temporelle asynchrone (atm) nécessite des études de performances pour développer et dimensionner une nouvelle génération de commutateurs et de multiplexeurs. L'objet de ce travail est de concevoir des méthodes d'études de performances de cette technique. Nous proposons tout d'abord un modèle mathématique des sources de trafics pour ces futurs réseaux et montrons l'impact de ce modèle sur les performances d'un multiplexeur atm. Nous présentons alors l'étude d'un commutateur atm fonde sur un réseau de clos a trois étages sous diverses configurations (files en entrée, files en sortie, trafic dissymétrique, trafic sporadique). Nos études montrent l'intérêt de l'utilisation d'un tel type de réseau d'interconnexion et l'importance de la répartition de la mémoire sur les différents étages de commutation (peu de travaux incluaient des études aussi détaillées de réseaux d'interconnexion). Les méthodes mises en oeuvre permettront d'étudier d'autres types de trafics et de réseaux d'interconnexion
Author : Djamel Adimi
Publisher :
ISBN 13 :
Total Pages : 157 pages
Book Rating : 4.:/5 (49 download)
Download or read book Un outil de modélisation et de simulation des réseaux ATM written by Djamel Adimi and published by . This book was released on 1995 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA MISE EN UVRE DES RESEAUX ATM PASSE PAR DES ETUDES DE DIMENSIONNEMENT ET DE PERFORMANCE. L'APPROCHE QUE NOUS AVONS RETENUE REPOSE SUR LA MODELISATION ET LA SIMULATION. L'OBJET DE CE TRAVAIL EST DE CONCEVOIR, POUR UN OUTIL DE SIMULATION, UNE BIBLIOTHEQUE ATM REGROUPANT DES MODELES DE SOURCES, DE COMMUTATEURS ET DE CONTROLE DE CONGESTION ET PERMETTANT D'EVALUER LES PERFORMANCES DES RESEAUX ATM. UNE STRATEGIE D'ALLOCATION DE BANDE PASSANTE BASEE SUR UNE APPROXIMATION GAUSSIENNE DU PROCESSUS DE SUPERPOSITION PERMET D'OPTIMISER LE GAIN STATISTIQUE DE MULTIPLEXAGE TOUT EN CONTROLANT LE TAUX DE PERTE DE CELLULES. UN MECANISME DE CONTROLE DE TRAFIC BASE SUR UN DOUBLE LEAKY BUCKET AVEC ESPACEMENT ET MARQUAGE PRIORITAIRE DES CELLULES GARANTIT LA MAITRISE DE LA CONGESTION ET UNE MEILLEURE UTILISATION DE LA BANDE PASSANTE DISPONIBLE. L'INTRODUCTION DU DEBIT EQUIVALENT DE LA CONNEXION POUR LE DIMENSIONNEMENT DE L'ALGORITHME PERMET UNE DECOMPOSITION DU FLUX EN DEUX CLASSES DE CELLULES. ON DISTINGUE ALORS LES CELLULES VERTES PRIORITAIRES DES CELLULES ROUGES MOINS PRIORITAIRES. LE RAPPORT DU NOMBRE DES CELLULES VERTES SUR CELUI DES CELLULES ROUGES PEUT CONSTITUER UN PARAMETRE DE LA QUALITE DE SERVICE PROPOSEE PAR LE RESEAU. LE DIMENSIONNEMENT DU MECANISME DE CONTROLE D'ACCES GARANTIT SA TRANSPARENCE POUR LES CONNEXIONS RESPECTANT LEUR CONTRAT DE TRAFIC ET SA REACTION LORSQU'ELLES NE S'Y CONFORMENT PLUS. LE PRINCIPE DE FACTURATION DES RESSOURCES CONSTITUE POUR LE RESEAU UN EXCELLENT MOYEN DE CONTROLE DE LA CONGESTION GRACE A UNE AUTO-REGULATION DES CONNEXIONS FONCTION DU PRIX ANNONCE PAR LE RESEAU POUR LA BANDE PASSANTE.
Author : Maher Hamdi
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (49 download)
Download or read book CONTROLE DE TRAFIC ATM POUR SOURCES VIDEO A DEBIT VARIABLE written by Maher Hamdi and published by . This book was released on 1996 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE THESE S'INTERESSE AU CONTROLE DE TRAFIC DANS LES RESEAUX ATM ET PLUS PARTICULIEREMENT AU TRAFIC ISSUE DES CODEURS VIDEO A DEBIT VARIABLE. LA CAPACITE DE TRANSFERT SBR (OU VBR-RT) UTILISE UN CONTROLE DE TRAFIC PREVENTIF QUI SE BASE SUR LA DECLARATION DE PARAMETRES QUI CARACTERISENT DE TRAFIC. CES PARAMETRES SONT CONTROLES A L'INTERFACE DU RESEAU ET SONT UTILISES POUR LE CONTROLE D'ADMISSION ET LA GESTION DES RESSOURCES. IL EST PARTICULIEREMENT DIFFICILE DE PREDIRE LES PARAMETRES QUI CARACTERISENT LE TRAFIC VIDEO A DEBIT VARIABLE CAR CES PROPRIETES STATISTIQUES VARIENT BEAUCOUP D'UNE SEQUENCE A L'AUTRE ET AU SEIN DE LA MEME SEQUENCE. UNE CONTRIBUTION DE CETTE THESE CONSISTE A CONCEVOIR ET IMPLEMENTER UN ALGORITHME DE CONTROLE DE DEBIT POUR CODEURS MPEG VBR QUI PERMET DE GARANTIR LA CONFORMITE DU TRAFIC AUX PARAMETRES STANDARDS DEFINIS POUR ATM. CET ALGORITHME BAPTISE SVBR (SHAPED VARIABLE BIT RATE), UTILISE UN MODELE DE LEAKY BUCKET POUR CONTROLER LE DEBIT ET PREND EN COMPTE LA COMPLEXITE DES SCENES POUR UNE MEILLEURE ALLOCATION DE DEBIT. UNE DEUXIEME CONTRIBUTION CONSISTE A DEVELOPPER DES SCHEMAS DE MULTIPLEXAGE PERMETTANT DE GARANTIR LA QUALITE DE SERVICE POUR LES APPLICATIONS INTERACTIVES. LE TRAFIC EN SORTIE DES CODEURS SVBR AYANT DES CARACTERISTIQUES CONNUES, UN SCHEMA DE MULTIPLEXAGE DE TYPE REM (RATE ENVELOPE MULTIPLEXING) ET UTILISE POUR LES SERVICES TEMPS REEL
Author : Frédéric Angleviel
Publisher : Presses Univ de Bordeaux
ISBN 13 : 9782905081179
Total Pages : 294 pages
Book Rating : 4.0/5 (811 download)
Download or read book Le Pacifique Sud written by Frédéric Angleviel and published by Presses Univ de Bordeaux. This book was released on 1991 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francois Baccelli
Publisher : Springer Science & Business Media
ISBN 13 : 1461575613
Total Pages : 116 pages
Book Rating : 4.4/5 (615 download)
Download or read book Palm Probabilities and Stationary Queues written by Francois Baccelli and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Hunsicker
Publisher : Universal-Publishers
ISBN 13 : 1612330355
Total Pages : 443 pages
Book Rating : 4.6/5 (123 download)
Download or read book Behind the Shield written by A. Hunsicker and published by Universal-Publishers. This book was released on 2011 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: The worldwide number of incidents involving civil disturbances, public unrests, demonstrations, uprisings, and riots is increasing by the minute. Each incident presents an ever-demanding challenge for law enforcement and security professionals. A detailed and understandable manual for security enforcement and riot control professionals is a priority, and the answer to those challenging situations.Any professional actively, directly, or indirectly engaged in crowd control operations, vice or veteran, whether in a unit or as team leader, must train for and be able to pinpoint even the most unexpected security concerns. Behind the Shield contains carefully selected and illustrated material for the crowd control, law enforcement, and security professional. All of the available training and study material, individual case studies, and real scenarios, combined with professional experience, serve as the foundation for this specialist's manual. Comprehensive, detailed, and straightforward, Behind the Shield is the only book to offer an in-depth look into the operational aspects of crowd control operations. It guides the reader through a diversity of advanced disciplines and skills, and contains all the necessary ingredients for effective crowd control planning and operations.Information about every aspect of crowd control operations is t only an important part of the professional's ongoing training curriculum, but is also crucial for those officials who seek a professional operation and solution, facing t only today's security needs, but also those of the future.
Author : Janusz Kacprzyk
Publisher : Springer Nature
ISBN 13 : 3030906396
Total Pages : 1298 pages
Book Rating : 4.0/5 (39 download)
Download or read book Advanced Intelligent Systems for Sustainable Development (AI2SD’2020) written by Janusz Kacprzyk and published by Springer Nature. This book was released on 2022-02-10 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book publishes the best papers accepted and presented at the 3rd edition of the International Conference on Advanced Intelligent Systems for Sustainable Development Applied to Agriculture, Energy, Health, Environment, Industry, Education, Economy, and Security (AI2SD’2020). This conference is one of the biggest amalgamations of eminent researchers, students, and delegates from both academia and industry where the collaborators have an interactive access to emerging technology and approaches globally. In this book, readers find the latest ideas addressing technological issues relevant to all areas of the social and human sciences for sustainable development. Due to the nature of the conference with its focus on innovative ideas and developments, the book provides the ideal scientific and brings together very high-quality chapters written by eminent researchers from different disciplines, to discover the most recent developments in scientific research.
Author : Rob Flickenger
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596005023
Total Pages : 190 pages
Book Rating : 4.0/5 (5 download)
Download or read book Building Wireless Community Networks written by Rob Flickenger and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building Wireless Community Networks is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources. The first edition of this book helped thousands of people engage in community networking activities. At the time, it was impossible to predict how quickly and thoroughly WiFi would penetrate the marketplace. Today, with WiFi-enabled computers almost as common as Ethernet, it makes even more sense to take the next step and network your community using nothing but freely available radio spectrum. This book has showed many people how to make their network available, even from the park bench, how to extend high-speed Internet access into the many areas not served by DSL and cable providers, and how to build working communities and a shared though intangible network. All that's required to create an access point for high-speed Internet connection is a gateway or base station. Once that is set up, any computer with a wireless card can log onto the network and share its resources. Rob Flickenger built such a network in northern California, and continues to participate in network-building efforts. His nuts-and-bolts guide covers: Selecting the appropriate equipment Finding antenna sites, and building and installing antennas Protecting your network from inappropriate access New network monitoring tools and techniques (new) Regulations affecting wireless deployment (new) IP network administration, including DNS and IP Tunneling (new) His expertise, as well as his sense of humor and enthusiasm for the topic, makes Building Wireless Community Networks a very useful and readable book for anyone interested in wireless connectivity.
Author : Michael Molloy
Publisher : Springer Science & Business Media
ISBN 13 : 3642040160
Total Pages : 320 pages
Book Rating : 4.6/5 (42 download)
Download or read book Graph Colouring and the Probabilistic Method written by Michael Molloy and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade, many major advances have been made in the field of graph coloring via the probabilistic method. This monograph, by two of the best on the topic, provides an accessible and unified treatment of these results, using tools such as the Lovasz Local Lemma and Talagrand's concentration inequality.
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 : Rob Flickenger
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596005597
Total Pages : 310 pages
Book Rating : 4.0/5 (55 download)
Download or read book Wireless Hacks written by Rob Flickenger and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Continuing with the successful Hack Series, this title provides real-world working examples of how to make useful things happen with wireless equipment.
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 : Mária Németh Lenke
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.F/5 ( download)
Download or read book "All it Is, It's a Carnival" written by Mária Németh Lenke and published by . This book was released on 2007 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Claudio Scardovi
Publisher : Springer
ISBN 13 : 3319669451
Total Pages : 242 pages
Book Rating : 4.3/5 (196 download)
Download or read book Digital Transformation in Financial Services written by Claudio Scardovi and published by Springer. This book was released on 2017-09-04 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyzes the set of forces driving the global financial system toward a period of radical transformation and explores the transformational challenges that lie ahead for global and regional or local banks and other financial intermediaries. It is explained how these challenges derive from the newly emerging post-crisis structure of the market and from shadow and digital players across all banking operations. Detailed attention is focused on the impacts of digitalization on the main functions of the financial system, and particularly the banking sector. The author elaborates how an alternative model of banking will enable banks to predict, understand, navigate, and change the external ecosystem in which they compete. The five critical components of this model are data and information mastering; effective use of applied analytics; interconnectivity and “junction playing”; development of new business solutions; and trust and credibility assurance. The analysis is supported by a number of informative case studies. The book will be of interest especially to top and middle managers and employees of banks and financial institutions but also to FinTech players and their advisers and others.
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.
