JDS Uniphase CellAdvisor JD780A Series, User Manual

Page: 197 / 592

JD780A Series Analyzers
Using LTE - FDD Signal Analyzer
197
Figure 80 OTA connection
JD785A/JD786A JD788A
CAUTION
If the input signal level to be measured is less than 0 dBm, set 0 dB attenuation or turn on
the preamp to have better dynamic range for the OTA testing.
Selecting measurement mode
Procedure
1.
Press the MODE hard key.
2.
Press the Signal Analyzer soft key.
3.
Press the LTE - FDD soft key. The Spectrum mode is set by default.
4.
Press the MEASURE hot key, and then select the measurement mode option from the following
choices:
–
Spectrum
–
RF Analysis > Channel Power, Occupied BW, Spectrum Emission Mask, ACLR,
Multi-ACLR, or Spurious Emissions
–
Power vs Time (Frame)
–
Modulation Analysis > Constellation, Data Channel, Control Channel, Subframe, Frame,
Time Alignement Error, or Data Allocation Map
–
Auto Measure > Conformance Test, Maintenance Test, Signal Perfomance, or DAS Test
–
Power Statistics CCDF
–
More (1/2) > Carrier Aggregation
–
More (1/2) > OTA > Channel Scanner, ID Scanner, Multipath Profile, Control Channel,
Datagram, or Route Map
–
More (1/2) > RAN Performance Indicator
NOTE
The Carrier Aggregation soft key is activated if the license for the option 030 LTE-
Advanced FDD is installed and so does the RAN Performance Indicator for the option
014 LTE-FDD RAN Performance Indicator.