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Author: Ahmed Mokhtar Abdel Aziz Mansour
Publisher:
ISBN:
Category :
Languages : fr
Pages : 184
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Book Description
L'évolution de la technologie de télécommunication et d'information est illimitée. N'importe quel système de transmission aujourd'hui devrait considérer l'IP et les technologies de mobilité (GMS, GPRS, UMTS, au delà de 3G;.....etc). La première technologie est la base de l'Internet, la seconde est la base des systèmes de transmission mobiles. La facilité de l'accès et la disponibilité des ces technologies ont eu comme conséquence un nombre énorme des abonnées. L'Internet introduit différents genres de données dans différents types. Les mobilophones fournissent un accès facile aux données si le service approprié est offert. Avec le fusionnement entre ces deux technologies, l'avance dans de nouveaux systèmes offerts (GPRS, UMTS et au delà de concept 3G), le défi de maintenir la performance a augmenté. La motivation de ce travail doit remplir les conditions de performance pour les clients dans un réseau à grande échelle et les administrateurs de réseau. Les paramètres de performance tels que le temps de réponse, l'utilisation de largeur de bande, le chargement de serveur et la disponibilité dans les réseaux hybrides (fixés, mobile, sans fil) relèvent un défi de dégradation. Ce défi est dû aux différentes configurations de réseau et à l'interface entre le type différent de réseaux (mobile et fixe). Nous considérons la condition de performance dans le cas de l'utilisateur mobile aussi bien qu'à l'utilisateur fixe dans les réseaux hybrides fondamentaux.
Author: Ahmed Mokhtar Abdel Aziz Mansour
Publisher:
ISBN:
Category :
Languages : fr
Pages : 184
Get Book Here
Book Description
L'évolution de la technologie de télécommunication et d'information est illimitée. N'importe quel système de transmission aujourd'hui devrait considérer l'IP et les technologies de mobilité (GMS, GPRS, UMTS, au delà de 3G;.....etc). La première technologie est la base de l'Internet, la seconde est la base des systèmes de transmission mobiles. La facilité de l'accès et la disponibilité des ces technologies ont eu comme conséquence un nombre énorme des abonnées. L'Internet introduit différents genres de données dans différents types. Les mobilophones fournissent un accès facile aux données si le service approprié est offert. Avec le fusionnement entre ces deux technologies, l'avance dans de nouveaux systèmes offerts (GPRS, UMTS et au delà de concept 3G), le défi de maintenir la performance a augmenté. La motivation de ce travail doit remplir les conditions de performance pour les clients dans un réseau à grande échelle et les administrateurs de réseau. Les paramètres de performance tels que le temps de réponse, l'utilisation de largeur de bande, le chargement de serveur et la disponibilité dans les réseaux hybrides (fixés, mobile, sans fil) relèvent un défi de dégradation. Ce défi est dû aux différentes configurations de réseau et à l'interface entre le type différent de réseaux (mobile et fixe). Nous considérons la condition de performance dans le cas de l'utilisateur mobile aussi bien qu'à l'utilisateur fixe dans les réseaux hybrides fondamentaux.
Author: Ahmed Belasri
Publisher: Springer Nature
ISBN: 9811554447
Category : Technology & Engineering
Languages : en
Pages : 659
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Book Description
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Author: Giovanna Borradori
Publisher: University of Chicago Press
ISBN: 0226066657
Category : History
Languages : en
Pages : 225
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Book Description
The idea for Philosophy in a Time of Terror was born hours after the attacks on 9/11 and was realized just weeks later when Giovanna Borradori sat down with Jürgen Habermas and Jacques Derrida in New York City, in separate interviews, to evaluate the significance of the most destructive terrorist act ever perpetrated. This book marks an unprecedented encounter between two of the most influential thinkers of our age as here, for the first time, Habermas and Derrida overcome their mutual antagonism and agree to appear side by side. As the two philosophers disassemble and reassemble what we think we know about terrorism, they break from the familiar social and political rhetoric increasingly polarized between good and evil. In this process, we watch two of the greatest intellects of the century at work.
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: Fritz Machlup
Publisher: Princeton University Press
ISBN: 9780691003566
Category : Business & Economics
Languages : en
Pages : 440
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Book Description
The Production and Distribution of Knowledge in the United States marked the beginning of the study of our postindustrial information society. Austrian-born economist Fritz Machlup had focused his research on the patent system, but he came to realize that patents were simply one part of a much bigger "knowledge economy." He then expanded the scope of his work to evaluate everything from stationery and typewriters to advertising to presidential addresses--anything that involved the activity of telling anyone anything. The Production and Distribution of Knowledge in the United States then revealed the new and startling shape of the U.S. economy. Machlup's cool appraisal of the data showed that the knowledge industry accounted for nearly 29 percent of the U.S. gross national product, and that 43 percent of the civilian labor force consisted of knowledge transmitters or full-time knowledge receivers. Indeed, the proportion of the labor force involved in the knowledge economy increased from 11 to 32 percent between 1900 and 1959--a monumental shift. Beyond documenting this revolution, Machlup founded the wholly new field of information economics. The transformation to a knowledge economy has resonated throughout the rest of the century, especially with the rise of the Internet. As two recent observers noted, "Information goods--from movies and music to software code and stock quotes--have supplanted industrial goods as the key drivers of world markets." Continued study of this change and its effects is testament to Fritz Machlup's pioneering work.
Author: Pons Batugal
Publisher: Bioversity International
ISBN: 9290436298
Category : Coconut
Languages : en
Pages : 797
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Book Description
Author: United States. Government Accountability Office
Publisher:
ISBN:
Category : Meteorological satellites
Languages : en
Pages : 38
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Book Description
Author: International Crops Research Institute for the Semi-Arid Tropics
Publisher: Semi-Arid Tropics
ISBN:
Category : Grain
Languages : en
Pages : 326
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Book Description
Proceedings of the International Consultative Workshop on Panicle Insect Pests of Sorghum and Pearl Millet.
Author: M. Hunter Manasco
Publisher: Jones & Bartlett Learning
ISBN: 1284209644
Category : Medical
Languages : en
Pages : 455
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Book Description
Introduction to Neurogenic Communication Disorders, Third Edition introduces students to common adult communication disorders and associated neuroanatomy and neurophysiology in an accessible, practical, and clinical context. This Third Edition emphasizes student understanding of major health trends and continues to provide students with necessary foundational knowledge while highlighting the human element of communication disorders. Illustrative patient profiles provided in online videos demonstrate actual case examples of symptoms, deficits, and pathological behaviors, reinforcing key concepts presented within the textbook.
Author: Carl Shapiro
Publisher: Harvard Business Press
ISBN: 9780875848631
Category : Business & Economics
Languages : en
Pages : 374
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Book Description
As one of the first books to distill the economics of information and networks into practical business strategies, this is a guide to the winning moves that can help business leaders--from writers, lawyers and finance professional to executives in the entertainment, publishing and hardware and software industries-- navigate successfully through the information economy.
