TAILIEUCHUNG - Wireless Communications Principles and Practice - Chapter 3: The Cellular Concept System Design Fundamentals

Wireless Communications Principles and Practice - Chapter 3: The Cellular Concept System Design Fundamentals presents The Cellular Concept, Frequency reuse, Effect of cluster size N, Channel Assignment Strategies, Handoffs – the basics. | Wireless Communications Principles and Practice Chapter 3: The Cellular Concept – System Design Fundamentals The Cellular Concept • The limited capacity of the first mobile radiotelephone services: - The spectrum used not much sharing - A lot of bandwidth dedicated to a single call. - Coverage not good The Cellular Concept • The limited capacity of the first mobile radiotelephone services: - interference: impossible to reuse the same frequency The Cellular Concept • Introduction: - Developed by Bell Labs 1960’s-70’s - The cellular concept was a major breakthrough in solving the problem of spectral congestion and user capacity. - Offered very high capacity in a limited spectrum allocation without any major technological changes. - Frequency Reuse: a fixed number of channels to serve an arbitrarily large number of subscribers. The Cellular Concept • Cellular Network .

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