1xEV-DO Measurements
R&S
®
CMW-KG8xx/-KM8xx/-KS8xx
272
User Manual 1173.9511.02 ─ 11
The signaling application provides a dedicated "OLTR logic" that is activated with the
OLTR measurement.
To obtain meaningful OLTR results in combined signaling mode measurements, the
following strategies and settings are recommended:
●
Establish an adequate connection between the 1xEVDO signaling and the DUT:
–
use the reverse test application with constant data rates and packet sizes (min
== max) to obtain a signal with stable power level
–
use a step size
≤
30 dB
–
set the BS output power in a range such that the resulting power steps are
within the dynamic range of both DUT and R&S
CMW
●
In the 1xEVDO measurement application:
–
select the "Combined Signal Path" scenario, controlled by the signaling appli-
cation
–
select "1xEV-DO Sig<i>: Event" as trigger source
–
configure and start the OLTR measurement
3.2.9.4
OLTR: Results
The OLTR view shows the DUT's responses to the power down and power up steps of
a single OLTR measurement sequence. The responses are recorded as power vs.
time traces, with power values (in dB) relative to the corresponding reference power
level. The direction of the first power step is displayed above, the reference power of
both steps is displayed below the diagrams. The red lines represent the response corri-
dor specified as minimum standard in 3GPP2 C.S0011.
Limit violations in particular time interval are indicated underneath the time axis. The
limit mask used for this measurement represent the minimum standard for "Time
Response of Open Loop Power Control" specified in 3GPP2 C.S0033.
General Description
深圳德标仪器
135-1095-0799
