Measurements and Results
R&S
®
FSW
153User Manual 1173.9411.02 ─ 43
The R&S FSW software allows you to perform ACLR measurements on input contain-
ing multiple signals for different communication standards. A measurement standard is
provided that allows you to define multiple discontiguous transmit channels at specified
frequencies, independent from the selected center frequency. The ACLR measurement
determines the power levels of the individual transmit, adjacent, and gap channels, as
well as the total power for each sub block of transmit channels.
A detailed measurement example is provided in Chapter 7.2.7, "Measurement Exam-
ples", on page 199.
7.2.2 Channel Power Results
For channel or adjacent-channel power measurements, the individual channels are
indicated by different colored bars in the diagram. The height of each bar corresponds
to the measured power of that channel. In addition, the name of the channel ("Adj", "Alt
%1", "Tx %1", etc., or a user-defined name) is indicated above the bar (separated by a
line which has no further meaning).
For "Fast ACLR" measurements, which are performed in the time domain, the power
versus time is shown for each channel.
Multi-standard radio (MSR) channel power results
The channel power results for MSR signals are described in Chapter 7.2.3.4, "Mea-
surement on Multi-Standard Radio (MSR) Signals", on page 162.
Results are provided for the TX channel and the number of defined adjacent channels
above and below the TX channel. If more than one TX channel is defined, you must
specify the channel to which the relative adjacent-channel power values refer. By
default, it is the TX channel with the maximum power.
Channel Power and Adjacent-Channel Power (ACLR) Measurement
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