Using 5G NR Signal Analyzer
230
240
720
0 to 48
240
0 to 2
NOTE
Make sure to sync signals using SSB frequency setting as SSB location set by Sync Raster Offset and Sync SCS
Offset might not be matched.
6
Tap
SSB Auto
Search
Mode
if you do not know SSB location and do the following steps:
a
Tap
Auto Preamp/Atten
and switch
SSB Auto Search
to
Start
to set preamp and attenuation automatically.
b
Tap
Manual
and switch
SSB Auto Search
to
Start
for manually setting based on your need.
NOTE
If you tap SSB Auto Search to Start, the searching progress screen appears to let you know the status of searching.
You can tap SSB Auto Search to Stop to stop searching.
7
Tap
L
to set the maximum number of SS-PBCH blocks within a single SS burst set (A set of SS being transmitted in 5 ms
window of SS transmission) among
4
,
8
and
64
.
Refer to the selection criteria based on the table in
Step 2
.
8
Tap
SSB Periodicity
and select the options from
5 ms
,
10 ms
,
20 ms
,
40 ms
,
80 ms
,
160 ms
.
The SS burst period (SSB periodicity) is defined by each base station and network configurable. 20 ms is the default for the
initial cell selection.
9
Tap to switch
PCI
(
Physical Cell ID
) to
Manual
or
Auto
.
10
Tap
PCI
and input a value from 0 to 1007 using the on-screen keyboard.
The
PCI
switches to
Manual
.
11
Tap
Symbol Phase Comp
and select from the following choices:
Auto
,
Manual
, or
Off
.
Symbol Phase Compensation is used to compensate for phase differences between symbols caused by upconversion. Users
do not always use the instrument based on RF frequency. In this case, you can set it to Manual or Off.
▪
Auto
: Setting radio frequency to center frequency.
▪
Manual
: Setting radio frequency as required.
▪
Off
: Setting radio frequency to 0.
12
Tap
PDSCH Configuration
or the
Configuration
icon on the screen to set PDSCH EVM in the PDSCH EVM Setting window
appeared.
a
Tap
Data
and select
Data Subcarrier Spacing
from the following options:
15 kHz
,
30 kHz
,
60 kHz
, or
120 kHz
.
-
Start Symbol
and
Number of RBs
are automatically changed based on the Data Subcarrier Spacing selection.
b
Tap
Grid
to set the resource grid that BWP to be assigned per each numerology (SSB SCS and Data SCS).
-
In the formula, a wider numerology between SSB SCS and Data SCS represents
μ0 and a narrower numerology
represents
μ.
- Based on the input numerology and bandwidth you have set, input
Start Grid
and
Size Grid
using the on-screen
keyboard.
c
Tap
Bandwidth Part
to set the range that to be assigned BWP for the input Data SCS.
- In the formula, input Start BWP and Size BWP value using the on-screen keyboard.
d
Back to
Data
, do the following steps:
- Select
Slot Number
for analyzing PDSCH EVM from 1 to 19 using the on-screen keyboard.
- Tap
Offset RB
and
Number of RBs
to set resource blocks within the range of BWP using the on-screen keyboard.
NOTE
You need to input values for Offset RB and Number of RBs considering the range that actual data should be
allocated. As the input values need to be within the range of BWP, if you assign data from BWP start RB, the Offset
RB should be 0.
- Tap
Start Symbol
and
Number of Symbols
set from 10 to 13 using the on-screen keyboard.
Содержание CellAdvisor 5G
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