User Manual
Airbridge cBTS3612 CDMA Base Station
System Description
Appendix A Technical Performance of Receiver
and Transmitter
A-3
Table A-6
Maximum FER of R-SCH (Turbo Code) receiver in demodulation performance test under
RC3
FER limit (%)
Data rate (bit/s)
Lower limit Eb/N0
Lower limit Eb/N0
19200
20% @ 0.6 dB
0.9% @ 1.2 dB
38400
24% @ -0.1 dB
0.3% @ 0.5 dB
76800
30% @ -0.5 dB
0.2% @ 0.1 dB
153600
60% @ -0.9 dB
0.1% @ -0.3 dB
307200
90% @ -0.3 dB
0.1% @ 0.3 dB
Table A-7
Maximum FER of F-FCH or R-DCCH receiver in demodulation performance test under RC4
FER limit (%)
Data rate (bit/s)
Lower limit Eb/N0
Lower limit Eb/N0
14400
2.4% @ 0.8 dB
0.3% @ 1.4 dB
7200
2.4% @ 3.1 dB
0.4% @ 3.7 dB
3600
1.7% @ 4.6 dB
0.3% @ 5.2 dB
1800
1.6% @ 6.6 dB
0.5% @ 7.2 dB
Table A-8
Maximum FER of R-SCH receiver of demodulation performance test under RC4
FER limit (%)
Data rate (bit/s)
Lower limit Eb/N0
Lower limit Eb/N0
28800
10% @ 1.7 dB
1.9% @ 2.3 dB
57600
12% @ 1.6 dB
1.7% @ 2.2 dB
115200
14% @ 1.6 dB
2.0% @ 2.2 dB
230400
12% @ 1.7 dB
1.7% @ 2.3 dB
Table A-9
Maximum FER of R-SCH (Turbo Code) receiver of demodulation performance test under
RC4
FER limit (%)
Data rate (bit/s)
Lower limit Eb/N0
Lower limit Eb/N0
28800
27% @ 0.7 dB
0.5% @ 1.3 dB
57600
28% @ 0.2 dB
0.2% @ 0.8 dB
115200
60% @ -0.2 dB
0.1% @ 0.4 dB
230400
33% @ -0.5 dB
0.1% @ 0.1 dB
II. R-TCH performance in multipath fading without Closed-Loop power
control
The performance of the demodulation of the Reverse Traffic Channel in a multipath
fading environment is determined by the frame error rate (FER) at specified Eb/N0