ACS-2009-01 - Lecture topics Mobile Radio Communication...

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1 Lecture topics: Mobile Radio Communication Systems Mobile Base Station Site Architectures Mobile Radio Equipment Mobile Radio Operational Modes Overview of Decibel Units VSWR and Return Loss Frequency-Division Duplexing Time-Division Duplexing
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2 Mobile radio background: Mobile radio communications plays a major role in business, commercial organisations, and public safety and utilities. It is an efficient means of communication that can be very cost effective for private networks. Such systems often referred to as Professional Mobile Radio (PMR) systems Early mobile radio equipment were based on thermionic valve, predecessor of today's transistor and FET. LSI integrated circuits and digital signal processing enabled the evolution of PMR to today’s cellular mobile radio systems.
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3 Radio coverage questions: The synthesis questions: How high above ground should the antenna be? How much RF power is required?
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