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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.

Switching and routing are two types of procedures having the same fundamental purpose which is transferring information between different users of communication networks. But, while routing must be viewed at the overall level of the communication network, the information being exchanged between network nodes, switching refers to operations involving a single communication node, the information being transferred between its input / output access ports. It should also be noted that the routing is executed according to a routing protocol used on the network, while the switching is based on elements belonging to a single node in the network, namely its switching structure, routing table and path selection algorithm between ports.

Telecommunications Demand in Theory and Practice, which builds upon the author's seminal 1980 book, Telecommunications Demand: A Review and Critique, provides comprehensive analyses of the determinants and structure of telecommunications demands in the United States and Canada. Theory and empirical application receive equal emphasis with a heavy focus on the developments and econometric research since the divestiture of AT&T in 1984. For the first time, a detailed theoretical analysis of business telecommunications demand on subscriber and usage consumption externalities is presented. Telecommunications Demand in Theory and Practice is without peer in the documentation and analysis of price elasticities of demand for telecommunications services. This new book also includes a comprehensive bibliography with over 500 entries related to telecommunications demand and pricing. Telecommunications Demand will appeal to both academic and consulting economists, telecommunications industry analysts and regulators, and to teachers of courses in applied econometrics and regulated industries.

This publication deals with the application of advanced digital signal processing techniques and neural networks to various telecommunication problems. The editor presents the latest research results in areas such as arrays, mobile channels, acoustic echo cancellation, speech coding and adaptive filtering in varying environments.