Technical data

340 Chapter 21
WLAN Programming Commands
MIMO Modulation Accuracy (EVM)
WLAN Programming Commands
MIMO EVM results
Index Result Parameter
0 Overall Pass/Fail Result
0:Pass, 1:Fail, –1:Not tested
1 Stream 1 RMS EVM pass/fail result (1.0 = fail, 0.0 = pass, -1.0 = Not tested)
2 Stream 1 RMS EVM (dB)
3 Stream 1 Peak EVM (dB)
4 Stream 1 Pilot EVM (dB)
5 Stream 1 Data EVM (dB)
6 Stream 1 Chips Peak EVM (%)
7-18 7-12: Stream 2 (as in Index 1-6 above). 13-18: Stream 3 (as in Index 1-6 above)
19-24 Reserved
25 Channel 1 RMS EVM pass/fail result (1.0 = fail, 0.0 = pass, -1.0 = Not tested)
26 Channel 1 Frequency Error pass/fail result (1.0 = fail, 0.0 = pass, -1.0 = Not tested)
27 Channel 1 Symbol Clock Error pass/fail result (1.0 = fail, 0.0 = pass, -1.0 = Not tested)
28 Channel 1 IQ Offset pass/fail result (1.0 = fail, 0.0 = pass, -1.0 = Not tested)
29 Channel 1 RMS EVM (dB)
30 Channel 1 Peak EVM (dB)
31 Channel 1 Pilot EVM (dB)
32 Channel 1 Data EVM (dB)
33 Channel 1 Frequency Error (Hz)
34 Channel 1 Symbol Clock Error (ppm)
35 Channel 1 IQ Gain Imblance (dB)
36 Channel 1 IQ Offset (dB)
37 Channel 1 IQ Quadrature Error (deg)
38 Channel 1 IQ Timing Skew (pps)
39 Channel 1 Cross Power (dB)
40 Channel 1 Sync Corr
41-72 41-56: Channel 2 (as in Index 25-40 above). 57-72: Channel 3 (as in Index 25-40 above)
73-88 Reserved