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Author:
Publisher:
ISBN:
Category : Computer networks
Languages : en
Pages : 642
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Book Description
Author:
Publisher:
ISBN:
Category : Computer networks
Languages : en
Pages : 642
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Book Description
Author: Matthias Pätzold
Publisher: Wiley-Blackwell
ISBN:
Category : Computers
Languages : en
Pages : 440
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Book Description
Mobile channel fading is a loss in transmission intensity caused by changes in the transmission medium. By dealing with the modelling, analysis and simulation of mobile fading channels this text provides a fundamental understanding of many issues in the area of mobile fading channel modelling.; The main topics addressed in the volume are: fundamentals of stochastic and deterministic channel models and modelling and simulation of frequency-nonselective and frequency-selective fading channels. The guide also features methods for the design and realization of efficient channel simulators and fast channel simulators and MATLAB-programs for the evaluation and simulation of mobile fading channels.
Author: Philippe Reininger
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Hervé Sizun
Publisher: Springer Science & Business Media
ISBN: 3540266682
Category : Technology & Engineering
Languages : en
Pages : 423
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Book Description
This book describes the physical mechanisms involved in the propagation of electromagnetic waves in the radiofrequency range, inside and outside buildings, in the terrestrial and near space environments, with a special focus on mobile radio communication. It combines a theoretical and an experimental approaches with an understanding of the physical environment through adequate formulations of the laws of electromagnetism. It should thus provide the background needed by advanced students and development engineers for the conception of high quality and reliable telecommunication systems.
Author: Emmanuel Garbolino
Publisher: Springer Science & Business Media
ISBN: 9400726848
Category : Technology & Engineering
Languages : en
Pages : 256
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Book Description
This book addresses the various risks associated with the transport of dangerous goods within a territory. The emphasis of the contributions is on methods and tools to reduce the vulnerability of both the environment and human society to accidents or malicious acts involving such transport. With topics ranging from game theory to governance principles, the authors together cover technical, legal, financial, and logistic aspects of this problem. The intended audience includes responsible persons in territorial organizations, managers of transport infrastructures, as well as students, teachers and researchers wishing to deepen their knowledge in this area.
Author: Lucien Boithias
Publisher: McGraw-Hill Companies
ISBN: 9780070064331
Category : Technology & Engineering
Languages : en
Pages : 330
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Book Description
Author: Adel Jedidi
Publisher:
ISBN:
Category :
Languages : fr
Pages : 213
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Book Description
L'essor que connaissent les réseaux mobiles a rendu l'automatisation de leur conception incontournable. Cette phase importante du processus de planification des réseaux consiste à localiser des sites sur le terrain, à y positionner des stations et à paramétrer leur configuration. La construction automatique d'un réseau suppose de répondre à des objectifs économiques et techniques. Ceci requiert une modélisation mathématique d'un ensemble de critères pour évaluer la qualité des solutions de réseaux. Jusqu'alors les critères techniques élaborés pour l'optimisation des réseaux sont centrés sur la couverture du réseau, les niveaux d'interférence et l'écoulement du trafic. Des experts radio, qui utilisent des techniques assistées de conception se basant sur la théorie du concept cellulaire, ont évalué les solutions réseaux issues des premières tentatives d'optimisation automatique. Bien que les solutions amélioraient le temps de production et la qualité radio des réseaux, ils ont conclu à la non-faisabilité sur le terrain des solutions proposées faute de structure topologique suffisamment établie. Or la théorie du concept cellulaire définit la topologie du réseau comme un élément central pour garantir la qualité de service et assurer l'extension de la capacité du réseau avec une bonne maîtrise des coûts. Ce mémoire présente plusieurs nouveaux modèles qui intègrent tous les critères géométriques qui s'appuient sur le concept cellulaire théorique et qui visent à structurer le réseau. Ce mémoire met aussi en évidence l'aspect multicritère du problème d'optimisation de la conception des réseaux. Il propose des algorithmes d'optimisation basés sur les approches évolutionnistes.
Author: Abdelmalek Amine
Publisher: Springer
ISBN: 331900560X
Category : Technology & Engineering
Languages : en
Pages : 443
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Book Description
"During the last decades Computational Intelligence has emerged and showed its contributions in various broad research communities (computer science, engineering, finance, economic, decision making, etc.). This was done by proposing approaches and algorithms based either on turnkey techniques belonging to the large panoply of solutions offered by computational intelligence such as data mining, genetic algorithms, bio-inspired methods, Bayesian networks, machine learning, fuzzy logic, artificial neural networks, etc. or inspired by computational intelligence techniques to develop new ad-hoc algorithms for the problem under consideration. This volume is a comprehensive collection of extended contributions from the 4th International Conference on Computer Science and Its Applications (CIIA’2013) organized into four main tracks: Track 1: Computational Intelligence, Track 2: Security & Network Technologies, Track 3: Information Technology and Track 4: Computer Systems and Applications. This book presents recent advances in the use and exploitation of computational intelligence in several real world hard problems covering these tracks such as image processing, Arab text processing, sensor and mobile networks, physical design of advanced databases, model matching, etc. that require advanced approaches and algorithms borrowed from computational intelligence for solving them.
Author: Youness Tabii
Publisher: Springer
ISBN: 3319962922
Category : Computers
Languages : en
Pages : 561
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Book Description
This book constitutes the thoroughly refereed proceedings of the Third International Conference on Big Data, Cloud and Applications, BDCA 2018, held in Kenitra, Morocco, in April 2018.The 45 revised full papers presented in this book were carefully selected from 99 submissions with a thorough double-blind review process. They focus on the following topics: big data, cloud computing, machine learning, deep learning, data analysis, neural networks, information system and social media, image processing and applications, and natural language processing.
Author: William Stallings
Publisher: Pearson
ISBN: 013676729X
Category : Computers
Languages : en
Pages : 899
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Book Description
Gain a Deep, Practical Understanding of 5G Technology, Applications, Architecture, Standards, and Ecosystem The 5G ultra-high-speed wireless communication standard is a major technological leap forward--substantially increasing speed and capacity, enhancing current use cases, and making many new applications practical. For technical professionals, managers, and students, 5G requires significant new knowledge and expertise. In 5G Wireless: A Comprehensive Introduction, renowned information technology author William Stallings presents a comprehensive and unified explanation of 5G's key applications, technologies, and standards. Like Stallings' other award-winning texts, this guide will help you quickly find the information and gain the mastery to succeed with critical new technology. Stallings first explains how cellular networks have evolved through 4G and now 5G, and surveys 5G's application areas and use cases. Next, he thoroughly introduces the 5G core network, covering SDN, NFV, network slicing, QoS, and edge computing--and provides a detailed coverage of the 5G air interface and radio access network. Throughout, key concepts are illuminated through realistic examples, review questions help you test your understanding, and references support further exploration. Understand the 5G ecosystem, its building blocks, standards, and R&D roadmaps Explore the Enhanced Mobile Broadband (eMBB) use case, where 5G enhances 4G in applications such as smart offices and dense urban communications Learn how Massive Machine Type Communications (mMTC) and Ultra-Reliable and Low-Latency Communications (URLCC) support new applications such as fog, IoT, and cloud Discover how 5G NextGen core (backbone) networks serve and interconnect wireless access networks that connect user devices Master key 5G NR Air Interface and Radio Access Network (RAN) concepts, including millimeter-wave transmission, MIMO antennas, and OFDM multiplexing
