Chapter 16
Performing RFoCPRI Testing
JD700B Series User’s Guide
595
Following is an example of test configuration for a DUT.
For this test configuration, IQ allocation will be like this in the CPRI basic frame.
6
To set the bandwidth of the downlink signal, complete the following steps:
Press the
Bandwidth
soft key.
Select the bandwidth option from:
1.4 MHz, 3 MHz, 5 MHz
,
10 MHz
,
15 MHz
,
15 MHz (4 AxC)
,
20 MHz
, or
20 MHz (6 AxC)
.
The RBW range changes based on this bandwidth setting.
Required number of AxC containers varies depending on the selected bandwidth.
7
To use the pre-configured settings for a NEM, complete the following steps:
Press the
NEM
soft key.
Select an NEM from the following choices:
None
(no pre-configuration)
Ericsson > Ericsson (UL)
and
Ericsson (DL)
Alcatel-Lucent (UL/DL)
Samsung (UL/DL)
Huawei > Huawei (UL)
and
Huawei (DL)
ZTE (UL/DL)
NOTE
If you have selected a NEM, the instrument sets the Map Postion and other releated
settings automatically based on the selected NEM and you cannot edit the map position
setting. The pre-configured information may be subject to changes at any times by NEMs.
Conducting spectrum measurement
Making a measurement
Procedure
1
Press the
MEASURE
hot key to select the measurement mode.
2
Select
Signal Analyzer > LTE-FDD > Spectrum
.
3
Configure test parameters as described in the “Configuring test parameters” on page 592.
4
Press the
MEASURE SETUP
hot key, and then set the following parameters:
Measurement setups as described in the “Setting measure setup” on page 594