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WCDMA PRACH Measurement
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
852
User Manual 1173.9657.02 ─ 11
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5.2.6.1
Transmit Modulation Limits
The WCDMA PRACH measurement provides a subset of the modulation limits availa-
ble in the multi evaluation measurement.
Fig. 5-3: Modulation limit settings
For background information refer to
chapter 3.2.5.1, "Transmit Modulation Limits"
5.2.6.2
Maximum Output Power Limits
WCDMA equipment is divided into several power classes. For each power class 3GPP
defines the maximum output power of the UE transmitter and an upper and lower toler-
ance value. Example: According to the test requirements, the maximum output power
of a class 1 UE must be between 33 dBm - 3.7 dB and 33 dBm + 1.7 dB.
The nominal maximum power and tolerance values can be comfortably configured in
the limits section by selecting the power class of the UE. The resulting settings are dis-
played in column "Active Limits". If you want to use different values, select "User
Defined" for "Active Limit Select" and adjust the values in column "User Defined".
If the combined signal path scenario is active, an additional parameter "Use Reported",
is displayed. If this parameter is enabled, the UE power class value reported by the UE
in the capability report is used. The manually configured value is used if the parameter
is disabled or no value has been reported.
Fig. 5-4: Maximum output power limits
General Description
深圳德标仪器
135-1095-0799