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Chapter 6 Using LTE/LTE-A TDD Analyzer
Conducting OTA measurement
To set measure setup
1
Tap the Setup (
2
Tap Bandwidth and select the value from the following choices: 1.4 MHz, 3 MHz,
5 MHz, 10 MHz, 15 MHz or 20 MHz.
3
Tap Subframe Number to set the number of subframe using the on-screen
keyboard.
4
Optional. Tap Physical Cell ID and select the type Manual or Auto.
–
–
5
Tap the MIMO and select 2x2 or 4x4Hz to select the number of antenna ports.
6
Optional. To assign an antenna port number automatically or manually, tap the
Antenna Port under Antenna menu and select the option: Auto, Antenna 0,
Antenna 1, Antenna 2, or Antenna 3.
If the MIMO is set to 2x2, the antenna ports 2 and 3 are disabled.
7
To turn the Multimedia Broadcast Multicast Service (MBMS) feature on or off, tap
MBMS and select On or Off. For proper MBMS testing, you need to set the
Subframe Number in the upper right screen with the same PMCH subframe
number. If this setting is on, the measurement item MBSFN RS appears in the
result table.
8
To set the Multicast Broadcast Single Frequency Network (MBSFN) detection
automatically or manually for MBMS testing, tap MBSFN and select Auto or
Manual.
9
To select the Cyclic Prefix, tap Cyclic Prefix and select Normal or Extended.
10 Tap Menu > Display and select EVM or Power.
The screen changes according to the selected option.
To set limit
1
Tap Menu > Limit.
2
Tap the test items and set the limits depending on your selected measurement
mode:
To set the limit for
RS EVM
P-SS EVM
Page 174
) icon in the side bar.
NOTE
For MBMS testing, this subframe number must be either 0 nor 5 as these
subframes 0 and 5 are not available for MBMS and it must be set to the MBMS
transmitted channel's subframe number.
Auto lets the instrument detect the Physical Cell ID for the LTE signal auto-
matically.
Manual sets a specific Physical Cell ID for the LTE signal manually in order to
speed up with the synchronization with a BTS.
Select and set
RS0/1/2/3 Limit Mode On/Off, High Limit
Test limits On/Off, High Limit
SPA06MA-O User's Guide
22145360, R005
April 2021
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