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Author: Hanen Ahmadi
Publisher: Noor Publishing
ISBN: 9783330799745
Category :
Languages : fr
Pages : 90
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Book Description
La qualite de service representait le souci de tout operateur. La necessite d'ameliorer le service rendu au niveau des reseaux mobiles s'est largement manifestee. Ainsi, les deux phases de planification et d'optimisation de reseau de troisieme generation sont d'une importance cruciale. Ameliorer la qualite de service des divers services ne serait realisable qu'a travers de bonnes planifications et optimisation du reseau en question. Ce livre s'inscrit dans le cadre de la planification et d'optimisation d'un reseau UMTS et la migration vers le reseau LTE. En effet, nous avons presente le deploiement du reseau 3G en suivant les differentes etapes de ce processus. Nous avons traite l'optimisation de la puissance CPICH et de tilt en presentant leurs effets sur la couverture et la capacite de reseau radio. Nous avons presente aussi la migration vers le reseau 4G a partie d'un reseau 3G en termes de ressources.
Author: Hanen Ahmadi
Publisher: Noor Publishing
ISBN: 9783330799745
Category :
Languages : fr
Pages : 90
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Book Description
La qualite de service representait le souci de tout operateur. La necessite d'ameliorer le service rendu au niveau des reseaux mobiles s'est largement manifestee. Ainsi, les deux phases de planification et d'optimisation de reseau de troisieme generation sont d'une importance cruciale. Ameliorer la qualite de service des divers services ne serait realisable qu'a travers de bonnes planifications et optimisation du reseau en question. Ce livre s'inscrit dans le cadre de la planification et d'optimisation d'un reseau UMTS et la migration vers le reseau LTE. En effet, nous avons presente le deploiement du reseau 3G en suivant les differentes etapes de ce processus. Nous avons traite l'optimisation de la puissance CPICH et de tilt en presentant leurs effets sur la couverture et la capacite de reseau radio. Nous avons presente aussi la migration vers le reseau 4G a partie d'un reseau 3G en termes de ressources.
Author: Pierre Lescuyer
Publisher: John Wiley & Sons
ISBN: 9780470723661
Category : Technology & Engineering
Languages : en
Pages : 350
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Book Description
2G/GSM and 3G/UMTS are key mobile communication technologies, chosen by more than 2 billion people around the world. In order to adapt to new services, increasing demand for user bandwidth, quality of service and requirements for network convergence, major evolutions are introduced in 3G network standard. Evolved Packet System (EPS) presents the EPS evolution of the 3G/UMTS standard introduced by the 3rd Generation Partnership Project (3GPP) standard committee. This new topic is looked at from a system perspective, from the radio interface to network and service architecture. Hundreds of documents being issued by Standard organisations are summarised in one book to allow the reader to get an accessible comprehensive view of EPS evolution. Proposes a system view of Evolved UMTS, from the radio to Core and service architecture Gives a comprehensive and global view of the system that technical specifications do not provide Describes the new system as well as the inheritance and migration from 2G/GSM and 3G/UMTS Written by experts in the field who specialise in two complementary but very different technical domains (i.e. "radio interface" and "network architecture") Contains many figures and examples for better understanding. This book is essential for industry professionals in the telecommunication business, telecommunication system architects and designers, product manufacturers and operators and postgraduate students.
Author: Lingyang Song
Publisher: CRC Press
ISBN: 1439806500
Category : Computers
Languages : en
Pages : 622
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Book Description
Most books on network planning and optimization provide limited coverage of either GSM or WCDMA techniques. Few scrape the surface of HSPA, and even fewer deal with TD-SCDMA. Filling this void, Evolved Cellular Network Planning and Optimization for UMTS and LTE presents an accessible introduction to all stages of planning and optimizing UMTS, HSPA,
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Harri Holma
Publisher:
ISBN:
Category : Digital communications
Languages : en
Pages : 576
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Book Description
Author: Richard Bassil
Publisher:
ISBN:
Category :
Languages : fr
Pages : 71
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Book Description
Author: Mihaela van der Schaar
Publisher: Elsevier
ISBN: 0080474969
Category : Computers
Languages : en
Pages : 713
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Book Description
Multimedia over IP and Wireless Networks is an indispensable guide for professionals or researchers working in areas such as networking, communications, data compression, multimedia processing, streaming architectures, and computer graphics. Beginning with a concise overview of the fundamental principles and challenges of multimedia communication and networking, this book then branches off organically to tackle compression and networking next before moving on to systems, wireless multimedia and more advanced topics. The Compression section advises on the best means and methodology to ensure multimedia signal (images, text, audio and data) integrity for transmissions on wireless and wired systems. The Networking section addresses channel protection and performance. In the Systems section, the focus is on streaming media on demand, live broadcast and video and voice's role in real-time communication. Wireless multimedia transmission and Quality of Service issues are discussed in the Wireless Multimedia section. An Advanced Topics section concludes the book with an assortment of topics including Peer-to-Peer multimedia communication and multipath networks. Up-to-date coverage of existing standards for multimedia networking Synergistic tutorial approach reinforces knowledge gained in previous chapters Balanced treatment of audio and video with coverage of end-to-end systems
Author: Michael Stauffer
Publisher: World Scientific
ISBN: 9811206643
Category : Computers
Languages : en
Pages : 297
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Book Description
Keyword Spotting (KWS) has been proposed as a flexible and more error-tolerant alternative to full transcriptions. In most cases, it allows to retrieve arbitrary query words in handwritten historical document.This comprehensive compendium gives a self-contained preamble and visually attractive description to the field of graph-based KWS. The volume highlights a profound insight into each step of the whole KWS pipeline, viz. image preprocessing, graph representation and graph matching.Written by two world-renowned co-authors, this unique title combines two very current research fields of graph-based pattern recognition and document analysis. The book serves as an attractive teaching material for graduate students, as well as a useful reference text for professionals, academics and researchers.
Author: Canada. Patent Office
Publisher:
ISBN:
Category : Copyright
Languages : en
Pages : 1070
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Book Description
Author: World Bank
Publisher: World Bank Publications
ISBN: 0821385631
Category : Social Science
Languages : en
Pages : 114
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Book Description
This report provides the most comprehensive and rigorous analysis of Iraqi income and expenditure in several decades. The report makes extensive use of the Iraq Household Socio-Economic Survey, the first nationwide income and expenditure survey since 1988. IHSES data is complemented income and expenditure data from a wide range of other measures of living standards, allowing us to analyze living standards in a holistic way. The analysis presented here was performed with two main goals first, to inform the Government s Poverty Reduction Strategy; and second, to serve as a baseline for future assessments of changes in living standards and the identification of critical issues for deeper examination. Iraqi living standards have two unusual characteristics. First, they have fallen over the past generation. Second, they feature surprisingly little inequality. These characteristics are both rooted in Iraq s recent history of authoritarian government, war, military occupation, insurgency, and civil strife leading to infrastructure destruction and population displacement. There have been few opportunities for individuals to prosper from professional or entrepreneurial activities. Decades of neglected investment have resulted in deterioration of social services and economic infrastructure. Consequently, individuals have lacked capabilities to prosper and an investment climate conducive to prosperity. School enrollment and life expectancy have declined. Extremely low returns to education reflect the combination of poor educational quality and lack of employment opportunities. In terms of economic infrastructure, access to reliable electricity and water, and even access to paved roads are low, are further reflections of decades of neglect. While the upper end of the distribution has been pulled down by a lack of opportunities, the lower end has been supported by direct government provision of food. The Public Distribution System (PDS) provides 85 percent of food needs. While PDS has been useful as a safety net for the poor and the vulnerable, the system is expensive, inefficient, and fiscally risky. Indeed, PDS food rations account for a far greater share of public spending than does education or health. Going forward, Iraq faces two main challenges. First, although Iraq does not have to develop from scratch, it faces a formidable challenge in re-development. Second, a shift by the Government is required from direct provision of basic subsistence toward investment in human capacities. The Government can provide an enabling environment through investments in economic infrastructure and services to business and citizens, thus allowing the population to make productive use of education and their own labor. Both challenges are now being taken up by the Poverty Reduction Strategy, which articulates a detailed set of required actions and outlines priorities for government spending.
