Cmu-b52 speech codec option, Code domain power, Receiver quality (bit error rate measurements) – Atec R-S-CMU200 User Manual
Page 38
38 R&S
®
CMU200 Universal Radio Communication Tester
Version 09.00, October 2008
Level uncertainty
in temperature range +5 °C to +45 °C
–10 dBm to +47 dBm, rms
f < 2200 MHz
<0.7 dB
f
≥ 2200 MHz
<0.9 dB
–44 dBm to –10 dBm, rms
f < 2200 MHz
<0.9 dB
RF 1
f
≥ 2200 MHz
<1.1 dB
–24 dBm to +33 dBm, rms
f < 2200 MHz
<0.7 dB
f
≥ 2200 MHz
<0.9 dB
–60 dBm to –24 dBm, rms
f < 2200 MHz
<0.9 dB
RF 2
f
≥ 2200 MHz
<1.1 dB
–24 dBm to 0 dBm, rms
f < 2200 MHz
<0.7 dB
f
≥ 2200 MHz
<0.9 dB
–85 dBm to –24 dBm, rms
f < 2200 MHz
<0.9 dB
–83 dBm to –24 dBm, rms
RF 4 IN
f
≥ 2200 MHz
<1.1 dB
Level resolution
0.01
dB
Code domain power
7
Measurement filter
receiver filter in line with standard
3.84 MHz, RRC,
α = 0.22
CDP/code auto
CDP/code manual
CDP/code Rho auto
Display modes
CDP/code Rho manual
auto mode
Spreading factor (SF)
manual setting
4, 8, 16, 32, 64, 128, 256
Level range
RF 1
–8 dBm to +47 dBm
RF 2
–22 dBm to +33 dBm
RF 4 IN
–45 dBm to 0 dBm
Level uncertainty
<0.5
dB
Level resolution
0.01
dB
Receiver quality (bit error rate measurements)
Measurement types
BER, BLER, DBLER, FDR
Measurement method
loopback mode 2,
loopback mode 1 with RLC transparent
Number of transport blocks
1 to 50000
DL/UL transport block size
symmetric, asymmetric
DL/UL timing
876 chips to 1172 chips
R&S
®
CMU-B52 speech codec option
Speech decoder output
SPEECH HANDSET OUT
9-pin D-Sub connector
Output impedance
<10
Ω
Max. output current
20 mA, peak
Full-range output level
1 V, peak
Speech coder input
SPEECH HANDSET IN
9-pin D-Sub connector
Input impedance
100 k
Ω
low sensitivity
1.4 V, peak
Full-range input level
high sensitivity
0.1 V, peak