March 2006
Beginner
216 pages
6h 56m
English
Content preview from Cellular Communications Explained
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4
CHAPTER FOUR
Cellular basics
There are many different cellular radio or cellular telecommunications systems in use around
the world. Naturally, they have many differences in the way they operate. Not only are there
different implementations of similar technologies, but over the years there have also been
developments in the technologies that are used. The first analogue systems gave way to digital
systems, and in turn these are being migrated to technologies that are able to carry much
higher da ta-rate signals to cope with the new applications that are being found. Yet despite
these diffe rences there are some fundamental concepts that are at the core of cellular
telecommunications technology.
Spectrum re-use
One of the key requirements for any radio-based ...
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