March 2006
Beginner
216 pages
6h 56m
English
Content preview from Cellular Communications Explained
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9
CHAPTER NINE
CDMA2000
With IS-95 established and very successful, it became necessary to upgrade the system with a
high-speed data capability to enable it to carry much faster data and thereby enhance the revenue
growth. The approach adopted by those developing the CDMA technology from cdmaOne/IS-95
was to have a system in which there was a well-defined migration path forward but with full
backward compatibility. As a result of this the IS-2000 standard was developed to enable the higher
3G data rates to be provided.
Within IS-2000, a number of further developments were included. It was envisaged that with many
more areas moving towa rds 3G standard s and the old AMPS systems being made obsolete, it would
be possible to have systems operating on
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