March 2006
Beginner
216 pages
6h 56m
English
Content preview from Cellular Communications Explained
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CS-2 is an error detection and coding scheme for better channels. It effectively uses a 2/3
encoder and results in a real data throughput of 13.4 kbps, which includes the RLC/MAC
header etc.
CS-3 effectively uses a 3/4 coder and results in a data throughput of 15.6 kbps.
CS-4 is used when the signal is high and interference levels are low. No correction is applied
to the signal, allowing for a maximum throughput of 21.4 kbps. If all eight slots were used, this
would enab le a data throughput of 171.2 kbps to be achieved.
In addition to the error detection and coding schemes, GPRS also employs interleaving techniques
to ensure the effects of
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