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Chapter 18 277
LTE-TDD Programming Commands
Power vs. Time (PvT)
LTE-TDD Programming Commands
The following command is used to retrieve the measurement trace:
MEAS|READ| FETCh:LSEQuen cer:ACQuire{1.. .512}:ASTep{1.. .1000}:LTETdd:
PVT:TRACe
This command returns acquired I/Q trace data used in analysis step interval as a series of
comma-separated trace point values. The I values are listed in each pair, using 0 through even-indexed
values. The Q values are odd-indexed values. At most 2000 sample data can be returned (one sample
contains one I data and one Q data). If the actual number of samples exceeds 2000, then actual trace data
will be compressed/decimated to 2000 and be returned as the trace data.
Example command:
FETCh:LSEQ:ACQ1:ASTep1:LTETdd:PVT:TRACe?
16 Trace Sample Interval Result is a floating point number representing the time
between samples of compressed/decimated I/Q trace data which could be got by
trace query.
17 Number of Trace Samples Result is the number of data points in the
compressed/decimated I/Q trace data which could be got by trace query.
- Agilent E6640A 1
- EXM Wireless 1
- Test Set 1
- Safety Notices 2
- Warranty 3
- Contents 5
- • Sequence Setup 9
- 10 Chapter 1 10
- Chapter 1 11 11
- Analyzer List Sequencer 12
- Chapter 1 13 13
- Source List Sequencer 14
- Chapter 1 15 15
- 16 Chapter 1 16
- Chapter 1 17 17
- 18 Chapter 1 18
- Sequence Setup 19
- 20 Chapter 1 20
- Definitions 21
- Analyzer Sequence 22
- Acquisition Parameters 23
- Analysis Interval Parameters 31
- 34 Chapter 2 34
- The chapter topics are: 35
- • Source Sequence 35
- • Source Parameters 35
- Source Sequence 36
- Source Parameters 37
- 38 Chapter 3 38
- 42 Chapter 3 42
- Coordinating the Sequencers 43
- Chapter 4 45 45
- 46 Chapter 4 46
- Single key or by sending the 46
- Chapter 4 47 47
- Chapter 4 49 49
- Chapter 4 51 51
- 52 Chapter 4 52
- 5 Mode Parameters 53
- 54 Chapter 5 54
- Mode Parameters 54
- GSM Timeslot 55
- GSM Burst Type 55
- GSM Mod Scheme 55
- GSM Burst Search Threshold 56
- GSM HSR Pulse Shape Filter 56
- GSM Burst Align 56
- GSM Carrier Bandpass Filter 56
- GSM RF Sync Delay 57
- WCDMA HSDPA/HSUPA Enable 57
- TD-SCDMA Analysis Timeslot 57
- TD-SCDMA HSPA/8PSK Enable 58
- TD-SCDMA Demod – Uplink Pilot 58
- TD-SCDMA Demod – Sync Type 58
- Chapter 5 59 59
- TD-SCDMA Demod – Mod Scheme 60
- Chapter 5 61 61
- 62 Chapter 5 62
- TD-SCDMA Demod – Filter Alpha 63
- TD-SCDMA Demod – Limit Test 64
- Trigger Timeout 65
- Abort on Limit Fail 65
- Abort on Error 66
- Chapter 5 67 67
- Advanced Setup Parameters 68
- Chapter 5 69 69
- 70 Chapter 5 70
- Chapter 5 71 71
- Test Set Parameters 72
- Chapter 5 73 73
- 74 Chapter 5 74
- Save and Recall 75
- 76 Chapter 5 76
- 6 Front Panel Sequence Setup 77
- Select mode 78
- Test set parameter setup 79
- Input/Output setup 79
- Corrections 79
- Front Panel Sequence Setup 80
- Basic Measurement setup 81
- Acquisition setup 81
- Analysis Interval setup 83
- To run a Sequence 84
- Saving a Sequence 87
- 88 Chapter 6 88
- 90 Chapter 6 90
- Tab separated value file 92
- Spreadsheet setup 93
- TSV file generation 97
- • Results by SCPI 99
- 100 Chapter 8 100
- View/Display 100
- Result Metrics 100
- Results by SCPI 101
- 102 Chapter 8 102
- Results format 103
- 9 Sequence Setup Commands 107
- Sequence Setup Commands 108
- 1: Acq Number 111
- 2: Radio Standard 111
- 3: Radio Band 112
- To set an EDGE Radio Band: 113
- To set a 1xEVDO Radio Band: 114
- To set an LTE FDD Radio Band: 115
- To set an LTE TDD Radio Band: 115
- 4: Device (for Channel) 116
- 5: Frequency / Channel 117
- 6: Number of Averages 118
- 7: Peak Power 118
- 8: Instrument Gain Type 120
- 9: Transition Time 120
- 10: Acquisition Duration 121
- 12: Input Trigger Level 122
- 13: Input Trigger Delay 122
- 14: Output Trigger 123
- 17: Multiport Adapter Preamp 124
- 18: Acquisition Integration 125
- 2: Analysis Offset 126
- 3: Analysis Interval 127
- 4: Measurement Bitmap 128
- 1: Step Number 132
- 2: Step Trigger 132
- 4: Radio Band 133
- 5: Radio Band Link 133
- 6: Frequency/Channel 133
- 7: Power 134
- 8: Waveform 134
- 9: Step Duration 134
- 10: Time / Count 134
- 11: Output Trigger 135
- 136 Chapter 9 136
- 10 Programming a Sequence 137
- Sequence Programming Example 138
- Chapter 10 139 139
- Programming a Sequence 139
- Set up the input trigger 140
- Chapter 10 141 141
- 142 Chapter 10 142
- Chapter 10 143 143
- 144 Chapter 10 144
- Chapter 10 145 145
- Get the results 146
- 11 Example Test Scenarios 147
- 148 Chapter 11 148
- Example Test Scenarios 148
- Calibration Example 149
- Chapter 11 151 151
- 152 Chapter 11 152
- Chapter 11 153 153
- 154 Chapter 11 154
- Verification Example 155
- Creating Waveforms 156
- Chapter 11 157 157
- 158 Chapter 11 158
- Chapter 11 159 159
- 160 Chapter 11 160
- Setting Up the DUT 161
- 162 Chapter 11 162
- Chapter 11 163 163
- 164 Chapter 11 164
- Setting Up The Sequence 165
- 166 Chapter 11 166
- 168 Chapter 11 168
- Chapter 11 169 169
- 170 Chapter 11 170
- Commands 171
- Basic Transmit Power 172
- Chapter 12 173 173
- Basic transmit power results 174
- Basic Discrete PAvT 177
- Basic Discrete PAvT Results 178
- Basic IQ Data 179
- Basic IQ Data Results 180
- GSM/EDGE Programming Commands 181
- GSM/EDGE Programming 182
- Chapter 13 183 183
- PFER results 184
- GSM Loopback BER 186
- EDGE Power vs. Time (PvT) 187
- <rel_ampl> 188
- EDGE PvT results 189
- Chapter 13 191 191
- 192 Chapter 13 192
- EDGE EVM results 193
- Chapter 13 195 195
- 196 Chapter 13 196
- Chapter 13 197 197
- EDGE ORFS results 198
- EDGE Loopback BER 200
- W-CDMA Programming Commands 201
- Adjacent Channel Power (ACP) 202
- Chapter 14 203 203
- ACP results 204
- Spectrum Emissions Mask (SEM) 206
- Chapter 14 207 207
- SEM results 208
- Occupied Bandwidth (OBW) 209
- Modulation Accuracy 210
- Chapter 14 211 211
- Modulation Accuracy results 212
- QPSK EVM 214
- QPSK EVM results 215
- 216 Chapter 14 216
- Code Domain Power (CDP) 217
- CDP results 218
- Phase Discontinuity 219
- Phase Discontinuity results 220
- Loopback BER 222
- Loopback BER results 223
- 224 Chapter 14 224
- 230 Chapter 15 230
- OBW results 233
- 236 Chapter 15 236
- 1xEV-DO Programming Commands 239
- 244 Chapter 16 244
- Modulation Accuracy (Rho) 247
- 248 Chapter 16 248
- 252 Chapter 16 252
- LTE-FDD Programming Commands 253
- 258 Chapter 17 258
- 262 Chapter 17 262
- Chapter 17 263 263
- 264 Chapter 17 264
- Chapter 17 265 265
- 266 Chapter 17 266
- Chapter 17 267 267
- 268 Chapter 17 268
- Accuracy 272
- LTE-TDD Programming Commands 273
- Power vs. Time (PvT) 274
- Chapter 18 275 275
- PvT results 276
- 282 Chapter 18 282
- 286 Chapter 18 286
- Chapter 18 287 287
- 288 Chapter 18 288
- Chapter 18 289 289
- 290 Chapter 18 290
- Chapter 18 291 291
- 292 Chapter 18 292
- TD-SCDMA Programming Commands 297
- Chapter 19 299 299
- 300 Chapter 19 300
- TD-SCDMA PvT results 301
- Chapter 19 307 307
- SCPI only 312
- Chapter 19 315 315
- Loopback Bit Error Rate (BER) 318
- Chapter 20 323 323
- 324 Chapter 20 324
- LE In-band Emission 326
- LE In-band Emission results 327
- WLAN Programming Commands 329
- Chapter 21 331 331
- WLAN Programming Commands 331
- 334 Chapter 21 334
- Chapter 21 335 335
- 336 Chapter 21 336
- 338 Chapter 21 338
- Chapter 21 339 339
- MIMO EVM results 340
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