R&S FSH Digital Modulation Analyzer
Measurements on LTE Signals
Operating Manual 1173.6275.12 - 30 322
Setting the cell ID
► Press the MEAS key.
► Press the "Signal Settings" softkey.
► Select the "Cell Identity" menu item.
The R&S FSH opens an input field to define the cell identity.
► Enter a number between 0 and 503 to set the cell identity.
Setting the cell group and the cell ID
► Press the MEAS key.
► Press the "Signal Settings" softkey.
► First, select the "Group" menu item.
The R&S FSH opens an input field to select a cell group.
► Enter a number between 0 and 167 to select a cell identity group.
► Press the "Signal Settings" softkey.
► Select the "ID…" menu item.
The R&S FSH opens an input field to select an ID.
► Enter a number between 0 and 2 to select an ID.
The R&S FSH now shows the results to that cell identity.
► You can always return to automatic detection by selecting the "Auto" menu item.
9.8.6.4 Selecting the Subframe Configuration for TDD Signals
According to the standard, the R&S FSH provides 7 configurations that each covers a
complete LTE frame and consists of 10 subframes.
► Press the MEAS key.
► Press the "Signal Settings" softkey.
► Select the "UL/DL Configuration" menu item.
The R&S FSH opens a submenu that contains the configurations.
► Select the TDD configuration you need.
Each configuration is made up out of 10 of the following abbreviations:
● "D" stands for a downlink subframe
● "U" stands for a uplink subframe
● "S" stands for a special subframe
A configuration for a frame therefore would be, e.g. "DSUUU DSUUU".
Note that this is available with option R&S FSH-K51 (TDD measurements) only.
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