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Erschienen in:
2015 | OriginalPaper | Buchkapitel
6. Radio Frequency Coverage: The Cell
verfasst von : Saleh Faruque
Erschienen in: Radio Frequency Propagation Made Easy
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Abstract
The FCC (Federal Communications Commission) provides licenses to operate cellular communication systems over given band of frequencies. These bands of frequencies are finite and have to be reused to provide services to other geographic areas. Since a number of different technologies are available, the reuse of frequencies must also differ. Therefore, techniques are needed to support these competing technologies so that they can coexist and offer services to a wide geographic area without interfering each other. In order to provide a comprehensive overview, this chapter begins with the description of cell geometry followed by the concept of cell reuse with the evaluation of carrier to interference ratio (C/I). The classical cell reuse plan is described next, with examples of various frequency plans related to OMNI and Sectorization schemes. The associated channel capacity and C/I performances are also evaluated.