WCDMA Signaling
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
170
User Manual 1173.9657.02 ─ 11
2.4.10.2
Open Loop Power Control
This section defines basic parameters related to open loop power control. Additional
parameters are available with option R&S CMW-KS410, see
For background information refer to
chapter 2.2.15, "Random Access Procedure"
Fig. 2-68: Physical channel UL settings
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Constant Offset Value
Constant offset for the initial preamble power. The larger the constant value, the larger
the initial preamble power.
Remote command:
UL Interference
Estimated UL interference in dBm, contained in System Information Block type 7. In a
network, the UL Interference can change fast. A large interference value increases the
initial preamble power.
Remote command:
Exp. Initial Preamble Power
Displays the expected power of the first preamble sent by the UE for a preamble cycle.
For calculation of the value see
chapter 2.2.15, "Random Access Procedure"
Remote command:
2.4.10.3
PRACH Settings
The "PRACH" settings configure the physical random access procedure that can be
initiated by the UE. For additional settings related to the initial preamble power refer to
chapter 2.4.10.2, "Open Loop Power Control"
For background information refer to
chapter 2.2.15, "Random Access Procedure"
All settings require option R&S CMW-KS410.
GUI Reference
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