Evolución de la Tecnología Celular Gsm Hacia la Generación 3 75 PDF Download
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Author: Dayana de la Caridad Rivero Hernández
Publisher: Ewe Editorial Acad MIA Espa Ola
ISBN: 9783848462520
Category :
Languages : es
Pages : 140
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Book Description
Las comunicaciones moviles son cada vez mas una necesidad cotidiana, debido a que los nuevos servicios y aplicaciones se hacen mas sofisticados con la evolucion de nuevas tecnologias en el ambito de las telecomunicaciones. En el presente libro se realiza un estudio de la tecnologia GSM, con el objetivo de analizar su evolucion hacia la Generacion 3.75, para ello se presentan sus caracteristicas mas importantes para el mejoramiento de la red en cuanto a velocidad de transmision. El ecosistema de GSM/UMTS no encuentra comparacion en ninguna otra tecnologia inalambrica movil y posiblemente supere a toda otra tecnologia de comunicaciones en la historia."
Author: Dayana de la Caridad Rivero Hernández
Publisher: Ewe Editorial Acad MIA Espa Ola
ISBN: 9783848462520
Category :
Languages : es
Pages : 140
Get Book Here
Book Description
Las comunicaciones moviles son cada vez mas una necesidad cotidiana, debido a que los nuevos servicios y aplicaciones se hacen mas sofisticados con la evolucion de nuevas tecnologias en el ambito de las telecomunicaciones. En el presente libro se realiza un estudio de la tecnologia GSM, con el objetivo de analizar su evolucion hacia la Generacion 3.75, para ello se presentan sus caracteristicas mas importantes para el mejoramiento de la red en cuanto a velocidad de transmision. El ecosistema de GSM/UMTS no encuentra comparacion en ninguna otra tecnologia inalambrica movil y posiblemente supere a toda otra tecnologia de comunicaciones en la historia."
Author: Ajay R. Mishra
Publisher: John Wiley & Sons
ISBN: 0470057637
Category : Technology & Engineering
Languages : en
Pages : 542
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Book Description
A highly practical guide rooted in theory to include the necessary background for taking the reader through the planning, implementation and management stages for each type of cellular network. Present day cellular networks are a mixture of the technologies like GSM, EGPRS and WCDMA. They even contain features of the technologies that will lead us to the fourth generation networks. Designing and optimising these complex networks requires much deeper understanding. Advanced Cellular Network Planning and Optimisation presents radio, transmission and core network planning and optimisation aspects for GSM, EGPRS and WCDMA networks with focus on practical aspects of the field. Experts from each of the domains have brought their experiences under one book making it an essential read for design practitioners, experts, scientists and students working in the cellular industry. Key Highlights Focus on radio, transmission and core network planning and optimisation Covers GSM, EGPRS, WCDMA network planning & optimisation Gives an introduction to the networks/technologies beyond WCDMA, and explores its current status and future potential Examines the full range of potential scenarios and problems faced by those who design cellular networks and provides advice and solutions all backed up with real-world examples This text will serve as a handbook to anyone engaged in the design, deployment, performance and business of Cellular Networks. "Efficient planning and optimization of mobile networks are key to guarantee superior quality of service and user experience. They also form the essential foundation for the success of future technology development, making this book a valuable read on the road towards 4G." —Tero Ojanperä, Chief Technology Officer, Nokia Networks
Author: Haim Mazar (Madjar)
Publisher: John Wiley & Sons
ISBN: 1118511794
Category : Science
Languages : en
Pages : 460
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Book Description
This book presents the fundamentals of wireless communications and services, explaining in detail what RF spectrum management is, why it is important, which are the authorities regulating the use of spectrum, and how is it managed and enforced at the international, regional and national levels. The book offers insights to the engineering, regulatory, economic, legal, management policy-making aspects involved. Real-world case studies are presented to depict the various approaches in different countries, and valuable lessons are drawn. The topics are addressed by engineers, advocates and economists employed by national and international spectrum regulators. The book is a tool that will allow the international regional and national regulators to better manage the RF spectrum, and will help operators and suppliers of wireless communications to better understand their regulators.
Author: Ajay R. Mishra
Publisher: John Wiley & Sons
ISBN: 1119331765
Category : Technology & Engineering
Languages : en
Pages : 507
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Book Description
Updated new edition covering all aspects of network planning and optimization This welcome new edition provides comprehensive coverage of all aspects of network planning in all the technologies, from 2G to 5G, in radio, transmission and core aspects. Written by leading experts in the field, it serves as a handbook for anyone engaged in the study, design, deployment and business of cellular networks. It increases basic understanding of the currently deployed, and emerging, technologies, and helps to make evolution plans for future networks. The book also provides an overview of the forthcoming technologies that are expected to make an impact in the future, such as 5G. Fundamentals of Cellular Network Planning and Optimization, Second Edition encompasses all the technologies as well as the planning and implementation details that go with them. It covers 2G (GSM, EGPRS), 3G (WCDMA) and 4G (LTE) networks and introduces 5G. The book also looks at all the sub-systems of the network, focusing on both the practical and theoretical issues. Provides comprehensive coverage of the planning aspects of the full range of today's mobile network systems, covering radio access network, circuit and packet switching, signaling, control, and backhaul/Core transmission networks New elements in book include HSPA, Ethernet, 4G/LTE and 5G Covers areas such as Virtualization, IoT, Artificial Intelligence, Spectrum Management and Cloud By bringing all these concepts under one cover, Fundamentals of Cellular Network Planning and Optimization becomes essential reading for network design engineers working with cellular service vendors or operators, experts/scientists working on end-to-end issues, and undergraduate/post-graduate students.
Author:
Publisher: Context
ISBN: 9789390679539
Category :
Languages : en
Pages : 306
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Book Description
Author: Christos Zouboulis
Publisher: Springer Science & Business Media
ISBN: 0306483823
Category : Medical
Languages : en
Pages : 612
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Book Description
It is with great pleasure that I write this Foreword to the Proceedings of the International Conference on Behçet’s Disease which was held in Berlin in June 2002. This was the first International Conference held under the auspices of the International Society for Behçet’s Disease which was founded in 2000 in Seoul. First, I congratulate our colleagues in Berlin, led by Professor Christos Zouboulis of the Department of Dermatology at the Free University of Berlin, for having organised a most successful conference and for having compiled these proceedings so rapidly. It will be realised immediately on scanning the contents of this book that the conference was truly international with 210 participants from 26 countries, as Professor Zouboulis has noted in his preface. These included basic scientists, epidemiologists, pathologists, clinicians and, importantly, representatives from patient organisations. The latter held their own conference alongside the scientific-medical conference to mutual benefit. The combined session of patients and doctors (abstracts on pp 601 – 626) gave the opportunity for an exchange of information and fruitful discussion. The wide ranging scope of the communications is evident from the index and it was most encouraging to see their origin – from all parts of the world, from senior and junior colleagues and, from many different disciplines. Many communications may be regarded as preliminary reports of research in progress and we look forward to seeing the definitive publications in appropriate journals in due course.
Author: Vinay Vaswani
Publisher: Self Publisher
ISBN: 9789082803914
Category : Fiction
Languages : en
Pages : 200
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Book Description
The world of consulting is fascinating - jet-setting lifestyle, five-star hotels, frequent-flyer mile pursuits, high salaries, and immense responsibility placed on young shoulders. However, the toll it takes on an individual is also huge. Bobby Seth is a consultant who dreamt big but bit off more than he could chew. Bobby tackles the harsh corporate world while battling the demons within himself. When he is forced into a tight spot to do what is right or what is required to save his career, what will Bobby end up doing?
Author: Thomas Kaiser
Publisher: Hindawi Publishing Corporation
ISBN: 9775945097
Category : Technology & Engineering
Languages : en
Pages : 891
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Book Description
Smart Antennas—State of the Art brings together the broad expertise of 41 European experts in smart antennas. They provide a comprehensive review and an extensive analysis of the recent progress and new results generated during the last years in almost all fields of smart antennas and MIMO (multiple-input multiple-output) transmission. The following represents a summarized table of content.Receiver: space-time processing, antenna combining, reduced rank processing, robust beamforming, subspace methods, synchronization, equalization, multiuser detection, iterative methods Channel: propagation, measurements and sounding, modelling, channel estimation, direction-of-arrival estimation, subscriber location estimation Transmitter: space-time block coding, channel side information, unified design of linear transceivers, ill-conditioned channels, MIMO-MAC strategies Network Theory: channel capacity, network capacity, multihop networks Technology: antenna design, transceivers, demonstrators and testbeds, future air interfaces Applications and Systems: 3G system and link level aspects, MIMO HSDPA, MIMO-WLAN/UMTS implementation issues This book serves as a reference for scientists and engineers who need to be aware of the leading edge research in multiple-antenna communications, an essential technology for emerging broadband wireless systems.
Author: Gabbay Dov
Publisher:
ISBN: 9781848903814
Category :
Languages : en
Pages : 168
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Book Description
Author: Piet Lens
Publisher: IWA Publishing
ISBN: 1843391007
Category : Science
Languages : en
Pages : 545
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Book Description
Soil and Sediment Remediation discusses in detail a whole set of remediative technologies currently available to minimise their impact. Technologies for the treatment of soils and sediments in-situ (landfarming, bioscreens, bioventing, nutrient injection, phytoremediation) and ex-situ (landfarming, bio-heap treatment, soil suspension reactor) will be discussed. The microbiological, process technological and socio-economical aspects of these technologies will be addressed. Special attention will be given to novel biotechnological processes that utilise sulfur cycle conversions, e.g. sulfur and heavy metal removal from soils. Also the potential of phytoremediation will be highlighted. In addition, treatment schemes for the clean-up of polluted megasites, e.g. harbours and Manufactured Gaswork Plants (MGP), will be elaborated. The aim of Soil and Sediment Remediation is to introduce the reader in: the biogeochemical characteristics of soil and sediments- new techniques to study soil/sediment processes (molecular probes, microelectrodes, NMR) clean up technologies for soils polluted with organic (PAH, NAPL, solvents) or inorganic (heavy metals) pollutants- preventative and remediative strategies and technologies available in environmental engineering novel process applications and bioreactor designs for bioremediation the impact of soil pollution on society and its economic importance.
