5G TM Signal Analyzer
302
BS output Power
Output power of the base station is the mean power of one carrier delivered to a load with resistance equal to the nominal load
impedance of the transmitter.
Setting measure setup
Before starting the BS output power measurement, you need to set Spectrum measurements displayed on the quick access and
display tab. See "
Configuring Spectrum Measurements
" for more details. The measurement settings can be saved and recalled as a
file by selecting File Type as Setup and load the file onto the instrument using the
Save/Load
icons on the side bar.
1
Tap the
Setup
(
) icon on the side bar.
2
Tap
Radio Setup
then the Radio Setup pop-up window appears.
If you select the operating frequency as
FR1
, select from the following:
▪
SCS 15 kHz: 5, 10, 15, 20, 25, 30, 40, 50 MHz
▪
SCS 30 kHz: 5, 10, 15, 20, 25, 30, 40, 50, 60, 70, 80, 90, 100 MHz
▪
SCS 60 kHz: 10, 15, 20, 25, 30, 40, 50, 60, 70, 80, 90, 100 MHz
▪
Tap
Duplex Type
between
FDD
and
TDD
as required.
-
FDD
: both uplink and downlink can transmit at the same time at different spectrum frequencies
-
TDD
: both uplink and downlink use the same spectrum frequencies but at different times
If you select the operating frequency as
FR2
, select from the following:
▪
SCS 60, 120 kHz: 50, 100 MHz
▪
You can only select the
Duplex Type
as
TDD
.
3
Based on the above setting, tap
Test Model FR1
and select the options from the following choices: FR1-TM1.1, FR1-TM1.2,
FR1-TM3.1, FR1-TM3.1a, FR1-TM3.2, FR1-TM3.
5
Based on the above setting, tap
Test Model FR2
and select the options from the following choices: FR2-TM1.1, FR2-TM2, FR2-
TM3.1.
6
Tap
EIRP Settings
and do the following:
a
Select
Set Max to EIRP1
to save the currently measured maximum value to EIRP1.
b
Select
Set Max to EIRP2
to save the currently measured maximum value to EIRP2.
c
Select
Clear Max
to clear the currently measured maximum value.
d
Select
Clear All
to reset EIRP1, EIRP2, and maximum value
.
e
Select
Distance
and input the value using the on-screen keyboard.
f
Select
Antenna Gain
and
input the value using the on-screen keyboard
.
NOTE
Distance and Antenna gain values are required when calculating EIRP. Effective Isotropic Radiated Power (EIRP)
refers to the amount of power that a theoretical isotropic antenna (which evenly distributes power in all directions)
would emit to produce the peak power density observed in the direction of maximum antenna gain . EIRP can take
into account the losses in transmission line and connectors and includes the gain of the antenna. The EIRP is often
stated in terms of decibels over a reference power emitted by an isotropic radiator with equivalent signal strength.
The EIRP allows comparisons between different emitters regardless of type, size or form. From the EIRP, and with
knowledge of a real antenna's gain, it is possible to calculate real power and field strength values.
Formula to calculate: EIRP = Tx RF Power (dBm)+GA (dB) - FL (dB)
Tx RF Power refers to RF power measured at RF connector of the unit
GA refers to Gain Antenna
FL refers to Feeder loss (cable loss of any other loss occurred)
Summary of Contents for CellAdvisor 5G
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Page 346: ...Using RFoCPRI Analyzer 334 Rx Settings with RFoCPRI Analyzer ...
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