Transcription of Introduction to Radio Systems
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Introduction to Radio Systems
Chapter 1. Introduction to Radio Systems Because Radio Systems have fundamental characteristics that distinguish them from their wired equivalents, this chapter provides an Introduction to the various Radio technologies relevant to the IP design engineer. The concepts discussed provide a foundation for fur- ther comparisons of the competing mobile Radio access Systems for supporting mobile broadband services and expanding into IP design for mobile networks. Many excellent texts concentrate on the detail of mobile Radio propagation, and so this chapter will not attempt to cover Radio frequency propagation in detail; rather, it is intended to provide a basic understanding of the various Radio technologies and concepts used in realizing mobile Radio Systems .
including WiMAX and Long-Term Evolution (LTE), meet the minimum requirements for IMT-advanced systems. The spectrum for use by the IMT-2000 technologies was first identified by the ITU at the World Administrative Radio Conference (WARC) in 1992 and further augmented at the World Radiocommunication Conferences (WRC) in 2000 and 2007. Even when spec-
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