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Old 02-09-2005, 04:47 AM #1
jimjim
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UMTS relation btw sps and bps


Hello,

With reference to the UMTS are the following calculations correct?

A 384kbps channel (measured se RRC level) is transmitted as 320kbps over the
air due to 20% puncturing (320*1.2=384). This channel of 320kbpsafter 1/3
convolutional decoding becomes 960kbps which is 480 ksps (2 bits/symbol).
So 6 channels of 384ksps are 6*384ksps=2304ksps
2304ksps/480ksps =4.8 nearly 5.
So 6*384ksps correspond to 5*480ksps channels.

TIA




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