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270 Chapter 17

LTE-FDD Programming Commands

Modulation Accuracy (Rho)

LTE-FDD Programming Commands

Modulation Accuracy results (Spectrum Flatness Equalizer Channel Frequency)

These results are part of LTE FDD Modulation Accuracy measurement, and they can be queried by

:MEAS|:READ|:FETCh:LSEQuencer:ACQuire{1:512}:ASTep{1:1000}:

SFLatness[:ECFRequency]?

Modulation Accuracy results (Spectrum Flatness Ripple)

These results are part of LTE FDD Modulation Accuracy measurement, and they can be queried by

:MEAS|:READ|:FETCh:LSEQuencer:ACQuire{1:512}:ASTep{1:1000}:SFLatness:

RIPPle?

28 Reference Signal Rx Quality

29 Magnitude Error (%)

30 Phase Error (radians)

Index Result Parameter

0 Results Length - The total length of the results (includes the length field itself),

currently fixed to 610

1 RP 1 Pass/Fail Result - 0:Pass, 1:Fail, -1:Not tested

2 RP 1 Value - maximum Ripple in Range 1

3 RP 2 Pass/Fail Result - 0:Pass, 1:Fail, -1:Not tested

4 RP 2 Value - maximum Ripple in Range 2

5 RP 12 Pass/Fail Result - 0:Pass, 1:Fail, -1:Not tested

6 RP 12 Value - the maximum ripple between the upper side of Range 1 and lower

side of Range 2

7 RP 21 Pass/Fail Result - 0:Pass, 1:Fail, -1:Not tested

8 RP 21 Value - the maximum ripple between the upper side of Range 2 and lower

side of Range 1

9 Number of subcarriers

10 -

609

600 Equalizer Coefficients - EC(f). Only the first Num_Of_SubCarriers values

are valid

Index Result Parameter

0 Results Length - The total length of the results (includes the length field itself), currently fixed to 9

1 RP 1 Value - maximum Ripple in Range 1

2 RP 2 Value - maximum Ripple in Range 2

Index Result Parameter

1 2 ... 265 266 267 268 269 270 271 272 273 274 275 ... 339 340

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Agilent Technologies E6640A EXM Servisní příručka Strana 270