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Author : Salah-ddine Krit
Publisher :
ISBN 13 : 9783330856745
Total Pages : 92 pages
Book Rating : 4.8/5 (567 download)
Download or read book Optimisation, Modulation D'energie De Consommation pour les RCSF written by Salah-ddine Krit and published by . This book was released on 2017-05-14 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Intissar Sidaoui
Publisher : Omniscriptum
ISBN 13 : 9786131595073
Total Pages : 84 pages
Book Rating : 4.5/5 (95 download)
Download or read book Optimisation de la consommation d'énergie dans les RCSF written by Intissar Sidaoui and published by Omniscriptum. This book was released on 2012 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les réseaux de capteurs ont connu une grande évolution au cours des dernières années. En fait, la consommation d'énergie est la contrainte la plus importante pour les noeuds capteurs statiques où aucune source d'énergie autre que la batterie n'est disponible. Plusieurs recherches ont été faites pour minimiser les dépenses énergétiques afin de prolonger la durée de vie des capteurs. Ce mémoire a pour but d'évaluer les perfermonces en termes d'énergie pour les protocoles SMAC-DSR et SMAC-OLSR afin de les simuler sous ns-2.33. Mémoire réalisé en décembre 2012 dans le cadre d'une master de recherche en système informations intelligents
Author : Hania Aoudia
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (951 download)
Download or read book Approches de routage adaptatif pour l'optimisation de la consommation énergétique dans les applications type RCSF written by Hania Aoudia and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La gestion de la consommation énergétique est une question incontournable lors la conception et la mise en œuvre d'un RCSF. Garantir un fonctionnement efficace avec un accroissement de la longévité du réseau en se limitant uniquement à une solution matérielle reste insuffisant. Il est donc nécessaire de se tourner vers d'autres solutions logicielles qui permettraient de maitriser l'exploitation de l'information dès sa source jusqu'à son acheminement vers sa destination finale en tenant compte des caractéristiques intrinsèques des capteurs, i.e., faibles capacités de stockage et de puissance de calcul, et contraintes énergétiques associées. Répondre en partie à ces besoins, passe par le développement d'outils informatiques et de stratégies protocolaires en modes basse consommation mettant en œuvre des mécanismes basés sur des techniques de routage d'informations. Dans cette thèse, nous proposons deux solutions protocolaires hiérarchisées HHRP et HRP-DCM. La première met en œuvre un mécanisme de routage adaptatif à base d'un modèle énergétique non linéaire et d'un concept de communication Fils-Parent pour la sélection des meilleurs chemins en tenant compte d'un ensemble de paramètres critiques tels que les distances source-cible, la puissance du signal et l'énergie consommée. Or, la phase de reconnaissance du voisinage nécessite l'utilisation de la puissance des signaux radio pour estimer les distances entre nœuds capteurs, ce qui est un inconvénient majeur puisque cela peut engendrer des dégradations sur les performances du routage et des erreurs d'estimation des mesures RSSI. Ces dernières ne sont exploitables pour la localisation des nœuds qu'au bout d'un certain temps vu que la stabilité du signal n'est garantie que tardivement. Ainsi, le temps alloué pour la phase de reconnaissance devient important, accélérant de ce fait la consommation d'énergie et donc minimise la durée de vie du réseau. Pour y remédier, nous proposons une alternative qui contourne l'utilisation de la puissance du signal RSSI à tous les niveaux du mécanisme en mettant en œuvre une approche de routage hybride basée sur un mécanisme de clusterisation dynamique HRP-DCM. Cette solution permet des améliorations non seulement lors de la phase de reconnaissance du réseau mais aussi sur l'optimisation des chemins lors de la communication. Elle utilise le concept de calcul des distances temporelles lors du déploiement du réseau ainsi les délais alloués à la phase d'initialisation sont raccourcis atténuant de fait la consommation énergétique et l'exploitation des ressources. L'évaluation des performances montre bien que HRP-DCM optimisent mieux le fonctionnement du réseau quelque soit sa densité comparativement à d'autres solutions telles que HHRP TEEN et LEACH.
Author : Fernando P¿rez Font¿n
Publisher : John Wiley & Sons
ISBN 13 : 0470751738
Total Pages : 268 pages
Book Rating : 4.4/5 (77 download)
Download or read book Modelling the Wireless Propagation Channel written by Fernando P¿rez Font¿n and published by John Wiley & Sons. This book was released on 2008-09-15 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical tool for propagation channel modeling with MATLAB® simulations. Many books on wireless propagation channel provide a highly theoretical coverage, which for some interested readers, may be difficult to follow. This book takes a very practical approach by introducing the theory in each chapter first, and then carrying out simulations showing how exactly put the theory into practice. The resulting plots are analyzed and commented for clarity, and conclusions are drawn and explained from the obtained results. Key features include: A unique approach to propagation channel modeling with accompanying MATLAB® simulations to demonstrate the theory in practice Contains step by step commentary and analysis of the obtained simulation results in order to provide a comprehensive and structured learning tool Covers a wide range of topics including shadowing effects, coverage and interference, Multipath Narrowband channel, Multipath Wideband channel, propagation in micro and pico-cells, the land mobile satellite (LMS) channel, the directional Multipath channel and MIMO and propagation effects in fixed radio links (terrestrial and satellite) The book comes with an accompanying website that contains the MATLAB® simulations and allows readers to try them out themselves Well suited for lab-use, as reference and as a self-learning tool both for advanced students and professionals Modeling the Wireless Propagation Channel: A simulation approach with MATLAB® will be best suited for postgraduate (Masters and PhD) students and practicing engineers in telecommunications and electrical engineering fields, who are seeking to familiarise themselves with the topic without too many formulas. The book will also be of interest to network engineers, system engineers and researchers
Author : Dominique Dom Guinard
Publisher : Simon and Schuster
ISBN 13 : 1638357099
Total Pages : 520 pages
Book Rating : 4.6/5 (383 download)
Download or read book Building the Web of Things written by Dominique Dom Guinard and published by Simon and Schuster. This book was released on 2016-06-06 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary A hands-on guide that will teach how to design and implement scalable, flexible, and open IoT solutions using web technologies. This book focuses on providing the right balance of theory, code samples, and practical examples to enable you to successfully connect all sorts of devices to the web and to expose their services and data over REST APIs. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology Because the Internet of Things is still new, there is no universal application protocol. Fortunately, the IoT can take advantage of the web, where IoT protocols connect applications thanks to universal and open APIs. About the Book Building the Web of Things is a guide to using cutting-edge web technologies to build the IoT. This step-by-step book teaches you how to use web protocols to connect real-world devices to the web, including the Semantic and Social Webs. Along the way you'll gain vital concepts as you follow instructions for making Web of Things devices. By the end, you'll have the practical skills you need to implement your own web-connected products and services. What's Inside Introduction to IoT protocols and devices Connect electronic actuators and sensors (GPIO) to a Raspberry Pi Implement standard REST and Pub/Sub APIs with Node.js on embedded systems Learn about IoT protocols like MQTT and CoAP and integrate them to the Web of Things Use the Semantic Web (JSON-LD, RDFa, etc.) to discover and find Web Things Share Things via Social Networks to create the Social Web of Things Build a web-based smart home with HTTP and WebSocket Compose physical mashups with EVRYTHNG, Node-RED, and IFTTT About the Reader For both seasoned programmers and those with only basic programming skills. About the Authors Dominique Guinard and Vlad Trifa pioneered the Web of Things and cofounded EVRYTHNG, a large-scale IoT cloud powering billions of Web Things. Table of Contents PART 1 BASICS OF THE IOT AND THE WOT From the Internet of Things to the Web of Things Hello, World Wide Web of Things Node.js for the Web of Things Getting started with embedded systems Building networks of Things PART 2 BUILDING THE WOT Access: Web APIs for Things Implementing Web Things Find: Describe and discover Web Things Share: Securing and sharing Web Things
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 : Markus Helfenstein
Publisher : Springer Science & Business Media
ISBN 13 : 0306473038
Total Pages : 381 pages
Book Rating : 4.3/5 (64 download)
Download or read book Circuits and Systems for Wireless Communications written by Markus Helfenstein and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part I: RF System Integration. 1. RF System Integration; C. Toumazou. 2. RF System Board Level Integration for Mobile Phones; G.J. Aspin. 3. Integration of RF Systems on a Chip; P.J. Mole. 4. Towards the Full Integration of Wireless Front-End Circuits; M. Steyaert. 5. GSM Transceiver Front-End Circuits in 0.25 mum CMOS; Q. Huang, et al. Part II: RF Front-End Circuits. 6. RF Front-End Circuits; Q. Huang. 7. Phase-Noise-to-Carrier Ratio in LC Oscillators; Q. Huang. 8. Design Study of a 900 MHz/1.8 GHz CMOS Transceiver for Dual-Band Applications; B. Razavi. 9. Integrated Wireless Transc.
Author : Mostafa Ezziyyani
Publisher : Springer Nature
ISBN 13 : 3030331032
Total Pages : 312 pages
Book Rating : 4.0/5 (33 download)
Download or read book Advanced Intelligent Systems for Sustainable Development (AI2SD’2019) written by Mostafa Ezziyyani and published by Springer Nature. This book was released on 2019-10-11 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings book presents extended versions of papers on advanced intelligent systems for networks and system selected from the second edition of the International Conference on Advanced Intelligent Systems for Sustainable Development (AI2SD’2019), which was held on 8–11 July 2019 in Marrakech, Morocco. The book explores a number of aspects of networks and systems design issues, and focuses on the latest research developments in a number of areas, including various aspects of modern networking such as smart networked systems, network protocols and performance, security and privacy, mobile and wireless systems, Internet of things, artificial intelligence and expert systems, and cloud computing, as well as enabling technologies. The book also examines the area of intelligence, comprehensively examining a range of important topics like intelligent collaborative systems for work and learning, security, organization, management and autonomic computing for intelligent networking and collaborative systems, wireless and sensor systems for intelligent networking and collaborative systems, data mining and knowledge management for intelligent networking and collaborative systems, data for Internet of things, and cloud computing. Each chapter presents the state of the art in a specific topic as well as the results of research and laboratory experiments, and successful applications. The book is intended for academic and industry researchers and telecommunication network engineers wanting to gain insights into these areas, particularly in the context of Industry 4.0.
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 : Abbas El Gamal
Publisher : Cambridge University Press
ISBN 13 : 1139503146
Total Pages : 666 pages
Book Rating : 4.1/5 (395 download)
Download or read book Network Information Theory written by Abbas El Gamal and published by Cambridge University Press. This book was released on 2011-12-08 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive treatment of network information theory and its applications provides the first unified coverage of both classical and recent results. With an approach that balances the introduction of new models and new coding techniques, readers are guided through Shannon's point-to-point information theory, single-hop networks, multihop networks, and extensions to distributed computing, secrecy, wireless communication, and networking. Elementary mathematical tools and techniques are used throughout, requiring only basic knowledge of probability, whilst unified proofs of coding theorems are based on a few simple lemmas, making the text accessible to newcomers. Key topics covered include successive cancellation and superposition coding, MIMO wireless communication, network coding, and cooperative relaying. Also covered are feedback and interactive communication, capacity approximations and scaling laws, and asynchronous and random access channels. This book is ideal for use in the classroom, for self-study, and as a reference for researchers and engineers in industry and academia.
Author : IEEE Staff
Publisher :
ISBN 13 : 9781479904617
Total Pages : pages
Book Rating : 4.9/5 (46 download)
Download or read book 2013 World Congress on Computer and Information Technology (WCCIT) written by IEEE Staff and published by . This book was released on 2013-06-22 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : 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 : Xingqin Lin
Publisher : Springer Nature
ISBN 13 : 3030581977
Total Pages : 538 pages
Book Rating : 4.0/5 (35 download)
Download or read book 5G and Beyond written by Xingqin Lin and published by Springer Nature. This book was released on 2021-03-25 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an accessible and comprehensive tutorial on the key enabling technologies for 5G and beyond, covering both the fundamentals and the state-of-the-art 5G standards. The book begins with a historical overview of the evolution of cellular technologies and addresses the questions on why 5G and what is 5G. Following this, six tutorial chapters describe the fundamental technology components for 5G and beyond. These include modern advancements in channel coding, multiple access, massive multiple-input and multiple-output (MIMO), network densification, unmanned aerial vehicle enabled cellular networks, and 6G wireless systems. The second part of this book consists of five chapters that introduce the basics of 5G New Radio (NR) standards developed by 3GPP. These include 5G architecture, protocols, and physical layer aspects. The third part of this book provides an overview of the key 5G NR evolution directions. These directions include ultra-reliable low-latency communication (URLLC) enhancements, operation in unlicensed spectrum, positioning, integrated access and backhaul, air-to-ground communication, and non-terrestrial networks with satellite communication.
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 : Mohammed Khalid Salman Fadhil
Publisher : CRC Press
ISBN 13 : 1351026615
Total Pages : 195 pages
Book Rating : 4.3/5 (51 download)
Download or read book Mobile WiMAX Systems written by Mohammed Khalid Salman Fadhil and published by CRC Press. This book was released on 2018-08-14 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new models to enhance both capacity and coverage area in WiMAX FFR cellular network by considering the effect of interference of 18 base stations on the cell border users. The concepts provide a solid scientific base for analyzing and understanding WiMAX technology. This book enables the audience or researchers to understand the concept of the FFR technique. These basic concepts represent the important features of WiMAX technology which have been used to create new algorithms.
Author : Yingshu Li
Publisher : Springer Science & Business Media
ISBN 13 : 0387495924
Total Pages : 444 pages
Book Rating : 4.3/5 (874 download)
Download or read book Wireless Sensor Networks and Applications written by Yingshu Li and published by Springer Science & Business Media. This book was released on 2008-02-10 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: A crucial reference tool for the increasing number of scientists who depend upon sensor networks in a widening variety of ways. Coverage includes network design and modeling, network management, data management, security and applications. The topic covered in each chapter receives expository as well as scholarly treatment, covering its history, reviewing state-of-the-art thinking relative to the topic, and discussing currently unsolved problems of special interest.
