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1xEV-DO Signaling
R&S
®
CMW-KM8xx/-KS8xx
103
User Manual 1173.9511.02 ─ 12
Forward/Reverse Link PER > Stop Condition
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Forward/Reverse Link PER > Max Test Packets Sent
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Forward/Reverse Link Throughput > Max Frames
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Update Period
Evaluation and update period of the displayed results. The results of the "RX Measure-
ment" are statistical quantities, so the R&S
CMW must collect data over some period of
time to obtain meaningful results.
The update period has no influence on the speed of the measurements, however, it
determines the shortest possible measurement time. E.g. with an update period of 1
second, new measurement reports will be available in 1.0 s intervals. The first report is
acquired during a 1.0 s period after the start of the measurement. The R&S
CMW uses
this first report to determine the offset time but discards the information. The first valid
results are calculated from the second report, which arrives between 1.0 s and 2.0 s
after the start of the measurement.
The example above shows that a single shot measurement with an update period of
half the statistics cycle length will always provide valid results. To speed up the single
shot measurement, it is recommendable to reduce the statistics cycle length (defined
by the "Max. Test Packets Sent") and set the update period accordingly.
Remote command:
CONFigure:EVDO:SIGN<i>:RXQuality:UPERiod
Assign Views
Enables/disables views (tabs) in the "1xEV-DO RX Measurement" main window. For a
disabled view results are neither displayed nor calculated. Therefore, limiting the num-
ber of assigned views can speed up the measurement.
Remote command:
Measurement Timeout
Defines the timeout for the measurement in remote mode.
For PER and throughput measurements, independent timeout values can be specified
Remote command:
CONFigure:EVDO:SIGN<i>:RXQuality:PER:TOUT
CONFigure:EVDO:SIGN<i>:RXQuality:THRoughput:TOUT
Repetition
Defines how often the measurement is repeated if it is not stopped explicitly or by a
failed limit check.
●
Continuous:
The measurement is continued until it is explicitly terminated; the
results are periodically updated.
●
Single-Shot:
The measurement is stopped after one statistics cycle.
GUI Reference
深圳德标仪器
135-1095-0799