Chapter 8
Using LTE-FDD Signal Analyzer
238
JD700B Series User’s Guide
Enter a value by using the numeric keys, and then press the
dB
soft key.
To set the threshold for PDCCH, complete the following steps:
Press the
PDCCH Threshold
soft key.
Enter a value by using the numeric keys, and then press the
dB
soft key.
Toggle the
PDCCH Mode
soft key and select
REG
to calculate EVM based on Resource
Element Group or
Avg
to calculate EVM after adding all PDCCH signals from one subframe.
Toggle the
PDSCH Precoding
soft key between
On
and
Off
to enable or disable the
PDSCH precoding.
Measurement example
Figure 130 Subframe measurement with LTE-FDD signal analyzer
Figure 131 Subframe measurement with LTE-FDD signal analyzer (Chart On)