WCDMA Signaling
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
154
User Manual 1173.9657.02 ─ 11
For a dual carrier scenario, the same AWGN settings apply to both carriers. The signal
to noise ratio can nevertheless be different for the two carriers, due to a different down-
link carrier power.
Fig. 2-59: AWGN settings
Enable
Enables/disables AWGN insertion via the fading module.
Remote command:
Noise
Total level of the AWGN interferer within the channel bandwidth (the spectral density
integrated across the carrier bandwidth of 3.84 MHz).
The properties of the AWGN interferer comply with the requirements of 3GPP TS
34.121, section 7.1.2 (minimum bandwidth 5.76 MHz, flatness less than ±0.5 dB, peak
to average ratio at a probability of 0.001 % above 10 dB).
Remote command:
Signal/Noise Ratio
Displays the signal to noise ratio resulting from the configured AWGN level and the
base level of the downlink signal generator.
Remote command:
2.4.9 Physical Channel DL Settings
This section defines characteristics of the physical downlink channels. For background
information see
chapter 2.2.10, "Physical DL Channels"
The description of the settings is divided into several sections.
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