536 Chapter 16
W-CDMA Uplink Digital Modulation for Receiver Test
Setting Up Compressed Mode for a Multiple TGPS Transmission
7. Set the duration of the first transmission gap pattern which is expressed as a number of frames.
a. Move the cursor to highlight the TGPL1 field.
b. Press
5 > Enter.
If desired, you can also establish a second gap pattern using the TGPL2 field, however this does create a
more complex signal that can make it harder to keep compressed frames in proper alignment among the
multiple pattern sequences.
8. Set the compressed frame power relative to the non-compressed frames.
a. Move the cursor to highlight the PwrOffs field.
b. Press
6 > dB.
This is a global setting for all TGPSIs. It enables you to compensate for reduced spreading gain. The
higher power level makes the compressed frames easier to view.
9. Press the
TGPS Inactive Active softkey until Active is highlighted.
This enables TGPSI 1 and can be pressed either in the current display or in the previous TGPSI display.
You have now completed configuring TGPSI 1. Figure 16-60 shows what the ESG display looks like
after completing this step.
Figure 16-60 Compressed Mode Setup for TGPSI 1
10. Press the
Return hardkey to return to the TGPSI display.
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