Slides UMTS
Slides UMTS
Slides UMTS
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Tecnologia radio<br />
Information data<br />
CRC attachment<br />
Tail bit attachment<br />
Conv. Coding R=1/3<br />
1st interleaving<br />
Radio Frame Segmentation<br />
Rate matching<br />
2nd interleaving<br />
60kbps DPDCH<br />
15kbps DPCCH<br />
Esempio di canale dati a 12.2 kbit/s<br />
DTCH DCCH<br />
402<br />
SMU#1 490 SMU#2 490 SMU#1<br />
110 SMU#2<br />
110 SMU#3<br />
SMU#1 490 SMU#2 490<br />
110<br />
490 110 490 110 490 110 490<br />
600<br />
244<br />
244<br />
260<br />
804<br />
804<br />
Radio frame FN=4N<br />
402<br />
CRC16<br />
Tail8<br />
Information data<br />
CRC attachment<br />
Tail bit attachment<br />
Conv. Coding R=1/3<br />
1st interleaving<br />
Rate matching<br />
100<br />
600 600 600<br />
Radio frame FN=4N+1 Radio frame FN=4N+2 Radio frame FN=4N+3<br />
100<br />
112<br />
360<br />
360<br />
CRC12<br />
110<br />
Tail8<br />
90 90 90 90<br />
SMU#4<br />
110
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