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1xEV-DO Measurements
R&S
®
CMW-KM8xx/-KS8xx
274
User Manual 1173.9511.02 ─ 12
Carrier [n] > DRC, ACK/DSC, Data, Aux Pilot
Specify whether the signal shall be analyzed based on the presence/absence of the
indicated code channels. Some code channels are only defined for
. All settings are defined per reverse link
carrier.
The following filter settings are possible:
●
On / ACK / DSC: Evaluate the signal only when the channel is present
●
Off: Evaluate the signal only when the channel (or channels in case of ACK/DSC)
is absent.
●
Don't Care: Evaluate the signal irrespective of the presence of the channel.
Note that a combination of channel filters can result in filtering
all
(half-)slots, in which
case no measurements will be made. In particular, when setting a condition for the
ACK/DSC channel, consider also the
setting.
On the other hand, if a filter is set to "Do Not Care", measurements will be made both
when the related channel is present and when it is not. This may lead to confusing
and/or rapidly changing results.
Remote command:
CONFigure:EVDO:MEAS<i>:MEValuation:CARRier:SELect
CONFigure:EVDO:MEAS<i>:MEValuation:DRC
CONFigure:EVDO:MEAS<i>:MEValuation:ACK
CONFigure:EVDO:MEAS<i>:MEValuation:ACKDsc
CONFigure:EVDO:MEAS<i>:MEValuation:DATA
CONFigure:EVDO:MEAS<i>:MEValuation:APILot
3.3.7 Multi Evaluation: Code Channel Data Modulation
Code Channel Data Modulation
Individually selects the data channel modulation for the reverse link carriers. This is
only relevant for Physical Layer Subtype 2 or 3; subtype 0/1 always uses BPSK and a
4-ary Walsh cover W
2
4
.
If set to "Auto", the modulation type is detected automatically and signals with unrecog-
nized modulation type are ignored. The following modulation types are supported (for
details refer to specification 3GPP2 C.S0024):
●
B4: BPSK modulation with 4-ary Walsh cover (W
2
4
)
●
Q4: QPSK modulation with 4-ary Walsh cover (W
2
4
)
●
Q2: QPSK modulation with 2-ary Walsh cover (W
1
2
)
●
Q4Q2: (QPSK, W
2
4
) + (QPSK, W
1
2
)
GUI Reference
深圳德标仪器
135-1095-0799