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"Discusses design requirements, spectrum allocations and processes involved in popular wireless systems like cellular mobile system, wireless data service and satellite system" [Publisher]

Wireless communication systems. --- Systèmes de communication sans fil.

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"This new fifth edition of Principles of Electronic Communication Systems is fully revised and updated to make it one of the most current textbooks available on wireless, networking, and other communications technologies. Because the field of electronic communications changes so fast, it is a never-ending challenge to keep a textbook up to date. While principles do not change, their emphasis and relevance do as technology evolves. Furthermore, students need not only a firm grounding in the fundamentals but also an essential understanding of the real world components, circuits, equipment, and systems in everyday use. This latest edition attempts to balance the principles with an overview of the latest techniques. A continuing goal of this latest revision is to increase the emphasis on the system level understanding of wireless, networking, and other communications technologies. Because of the heavy integration of communications circuits today, the engineer and the technician now work more with printed circuit boards, modules, plug-in cards, and equipment rather than component level circuits. As a result, older obsolete circuits have been removed from this text and replaced with more integrated circuits and block diagram level analysis. Modern communications engineers and technicians work with specifications and standards and spend their time testing, measuring, installing, and troubleshooting. This edition moves in that direction. Detailed circuit analysis is still included in selected areas where it proves useful in understanding the concepts and issues in current equipment. In the past, a course in communications was considered an option in many electronic programs. Today, communications is the largest sector of the electronics field with the most employees and the largest equipment sales annually. In addition, wireless, networking, or other communications technologies are now contained in almost every electronic product. This makes a knowledge and understanding of communication a must rather than an option for every student. Without at least one course in communications, the student may graduate with an incomplete view of the products and systems so common today. This book can provide the background to meet the needs of such a general course. As the Communications Editor for Electronic Design Magazine (Penton), I have observed the continuous changes in the components, circuits, equipment, systems, and applications of modern communications. As I research the field, interview engineers and executives, and attend the many conferences for the articles and columns I write, I have come to see the growing importance of communications in all of our lives. I have tried to bring that perspective to this latest edition where the most recent techniques and technologies are explained. That perspective coupled with the feedback and insight from some of you who teach this subject has resulted in a textbook that is better than ever. New to this Edition" [Publisher]

Telecommunication. --- Wireless communication systems. --- Télécommunications. --- Systèmes de communication sans fil.

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Systèmes de communication sans fil. --- Wireless communication systems. --- Systèmes de communication sans fil.

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Sur l'écran d'accueil : "Cet ouvrage est issu des réflexions menées par des universitaires sur les nouveaux modes de pensée en rapport avec les finalités bénéfiques et celles espérées par les avancées de ce monde numérique, en oubliant aucunement les personnes, lesquelles sont le support et la finalité des innovations actuelles dans ce secteur."

Fracture numérique. --- Personnes âgées --- Internet des objets. --- Systèmes de communication sans fil en médecine. --- Technique.

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"La connectivité Wireless regroupe les systèmes classés dans les réseaux WPAN, WLAN, WLAN et au-delà-communications satellitaires et systèmes de détection. Seule une compréhension approfondie des standards développés ces dix dernières années permet de déterminer les meilleurs cas d'usage et les limites de chacun. À partir des fondamentaux et dans une approche didactique inédite, les auteurs détaillent les caractéristiques de chaque système permettant la connectivité, donnant les spécificités de la couche physique, les limites d'utilisation, et les évolutions technologiques. En effet, aucun système communiquant ou de déctection ne peut trouver sa place s'il n'est pas conçu avec la technologie de semi-conducteurs la plus adaptée dans un compromis perpétuel entre performances, consommation et coût. La diversité et l'évolution rapide des technologies, détaillées dans l'ouvage, sont les clefs de cette évolution." [Quatrième de couverture]

Systèmes de communication sans fil. --- Internet mobile. --- Internet sur le téléphone. --- Wireless communication systems. --- Wireless Internet.