GSM-R and GPRS
GSM-R and GPRS
GSM-R and GPRS
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Resistance to Interference (C/I) Ratio at speed<br />
Better<br />
C/I (dB)<br />
20<br />
15<br />
10<br />
5<br />
0<br />
-5<br />
BER 10-4 target (for data)<br />
80km/h 380km/h 500km/h<br />
Speech F2.4 F4.8 F9.6 CS-1<br />
Impact of speed on CS-1 <strong>and</strong> 9.6k circuit must be taken into consideration for<br />
radio planning (9dB C/I being usual target)<br />
Kapsch CarrierCom AG<br />
|<br />
45
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