Monitoring Signal Characteristics
R&S
®
SMW200A
630User Manual 1175.6632.02 ─ 30
To retrieve information on the status of an initiated measurement, observe the "Pro-
gress" indication in the BB Powers Summary List and the Running/Stopped indication.
Remote command:
[:SOURce]:BB:MEASurement:POWer:ADD on page 1110
[:SOURce]:BB:MEASurement:POWer:INDex on page 1111
[:SOURce]:BB:MEASurement:POWer:CHANge on page 1112
[:SOURce]:BB:MEASurement:POWer:DELete on page 1112
[:SOURce]:BB:MEASurement:POWer:EXECute on page 1112
[:SOURce]:BB:MEASurement:POWer:ABORt on page 1112
Running/Stopped
Displays the status (running/stopped) of the current measurement.
Remote command:
[:SOURce]:BB:MEASurement:POWer:RSTate? on page 1110
9.2.4 How to Query Information on the Baseband Power Levels
The examples in this section explain how to enable the baseband power measure-
ments with different acquisition methods to measure different kind of signals. The mea-
surements require a baseband signal. In these examples, we use a base unit equipped
with the firmware option R&S SMW-K54 IEEE 802.11a/b/g/n and generate a WLAN
signal with suitable frame and marker configuration.
The following tasks do not require special knowledge on the WLAN IEEE 802.11 stan-
dard; a basic understanding on working with the option is however a prerequisite.
To perform baseband power measurements using the continuous acquisition
The baseband power measurements using continuous acquisition analyze the com-
plete signal. Perform the following settings to generate a non-bursted WLAN 802.11n
signal in "Baseband A", "Baseband B", route, and sum both signals and measure the
influence of the baseband signals on the generated signal in all these cases.
1. Press the PRESET key.
2. In the block diagram, select "Baseband A > IEEE 802.11" and perform the follow-
ing:
a) Select "IEEE 802.11 WLAN > Frame Blocks > Idle Time = 0"
b) Select "IEEE 802.11 WLAN > General > State > On"
Querying Information on the Baseband Power Levels
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