Abstract
AbstractThis chapter gives an introduction to the current usage of RF spectrum and how that has emerged in more than a century of experimentation and practice. Given the breadth and depth of the subject, extensive coverage is not possible, nor is it necessary, given the many publications that address this field. Instead, this chapter focuses on types of usage which are related to telecommunications such as Fixed Links and Mobile Services, but radar and scientific use are also included. The chapter closes with an introduction to the two basic categories of spectrum usage: exclusive usage based on some form of spectrum property rights and non-exclusive usage based on either licensing particular types of usage or classes of users – e.g. public mobile radio – or based on exempting spectrum from licensing – e.g. the 2.4 GHz bands used by Wi-Fi and Bluetooth. How these basic elements are used in radio regulations is described in Chap. 2, Radio Regulations and Policies.KeywordsGlobal Position SystemCognitive RadioMobile ServiceRadio SpectrumMobile RadioThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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