Chapter 17 633
W-CDMA Downlink Digital Modulation for Receiver Test
W-CDMA Downlink Concepts
Table 17-3 describes the downlink RMC configurations generated by pressing the Ref Measure Setup softkey
after the signal generator has been preset. Transport channel parameters can be modified in a table editor by
pressing the
Config Transport softkey, then moving the cursor to the desired data field and pressing Edit Item.
DPCH parameters can be individually modified in a table editor by pressing
PhyCH Setup, then moving the
cursor to the desired data field and pressing
Edit Item.
Table 17-3 The Downlink RMC Predefined DPCH Configuration
Parameter DPCH Values at Specified Reference Measurement Channel
Channel Rate 12.2 kbps 64 kbps 144 kbps 384 kbps AMR 12.2 kbps UDI ISDN 64 kbps
Power 0.00 dB 0.00 dB 0.00 dB 0.00 dB 0.00 dB 0.00 dB
Channel Code
a
a. ESG Channel # 1 default shown. Default channel code for Channels 2 through 4 are based on the equation: Default
Channel Code = (Channel #) + 5.
66666 6
SecSrc Code OS00000 0
TPC Pat Steps11111 1
Data
b
b. If a transport configuration parameter is changed using the Config Transport
softkey and the table editor, the Data field reverts to Transport CH, showing that it no longer contains a specified
reference measurement channel.
Ref 12 Ref 64 Ref 144 Ref 384 AMR 12 ISDN
Symbol Rate
c
c. Symbol rate is not user-selectable. It is coupled to slot format. To change the symbol rate, use the appropriate slot format.
30.00 ksps 120.0 ksps 240.0 ksps 480.0 ksps 30.0 ksps 120.0 ksps
TFCI Pattern 00000000 00000000 00000000 00000000 00000000 00000000
TPC Pattern Up/Down Up/Down Up/Down Up/Down Up/Down Up/Down
Slot Format 11 13 14 15 8 13
Time Offset00000 0
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