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SMW200A
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Monitoring Signal Characteristics
R&S
®
SMW200A
576
User Manual 1175.6632.02 ─ 16
2.
Select "Mode > Constellation".
3.
Select "Source > Baseband A".
4.
To view the signal, select "Add".
Displaying Baseband Signal Characteristics in Real-Time
590
592
Table of Contents
Main Page
Table of Contents
18
Customer Support
17
1 Preface
42
About this Manual
43
Documentation Overview
45
Instrument Security Procedures
46
Overview of the Instrument Functions and the Related Description
47
Wideband Baseband Generator Related Settings and Descriptions
49
Getting Started
51
EMI Suppression
52
Accessory List
53
Connecting AC Power
55
Functional Check
57
Checking the Supplied Options and Licenses
58
Connecting USB Devices
59
Setting up a Network (LAN) Connection
60
Using Computer Names (Hostnames)
61
Assigning the IP Address
63
Configuring the Initial Instrument Settings
64
Setting the Keyboard Language
65
Adjusting Appearance of the User Interface
66
Instrument Tour
67
Touchscreen
68
Keys
70
Function Keys
71
Navigation Controls
72
Connectors
73
Rear Panel Tour
75
Connectors
77
Trying out the Instrument
81
Generating an Unmodulated Carrier
82
Generating a Digitally Modulated Signal
84
Triggering the Instrument with an External Signal
86
Enabling and Configuring a Marker Signal
92
Routing the Signal through the Instrument and Defining the Output Connectors
93
Verifying the Generated Signal with the Graphics Display
98
Saving and Recalling Settings
101
Generating an EUTRA/LTE Signal
104
Using the System Configuration Capabilities for MIMO Setups
107
System Overview
112
Internal Baseband Source ("Baseband" Blocks)
115
Fading Simulator ("Fading" Blocks)
116
I/Q Modulator ("I/Q Mod" Blocks)
117
Transmit Diversity Test (MISO Scenario)
118
Generation of Signals for Testing of WCDMA Handover (Two Cells)
119
Generation of an LTE Test Signal with Carrier Aggregation and 2X2 MIMO each Com Ponent Carrier
120
2.5 Instrument Control
121
Generation of a WLAN 802.11Ad Signal with 1.76 Ghz Bandwidth
121
Instrument Control
122
2.5.2 Means of Manual Interaction
122
2.5.3 Understanding the Display Information
123
Possible Ways to Operate the Instrument
121
Block Diagram
124
Taskbar
125
Additional Display Characteristics
126
2.5.4 Accessing the Functionality
128
2.5.5 Entering Data
129
Entering Numeric Parameters
130
2.5.6 Getting Information and Help
131
Using the Tutorials
133
2.5.7 Remote Control
136
2.5.8 Remote Operation over VNC
136
From a Test Scenario to the Required System Configuration
139
Possible Ways to Configure the Signal Flow
141
Using the System Configuration Capabilities
142
Overview of the Input and Output Signals and Interfaces
144
Physical Location of the Input and Output Interfaces
145
Overview of the Baseband Signal Sources
147
Overview of the Baseband and RF Output Signals
148
3 Signal Routing and System Configuration
137
Specific Characteristics of the Digital I/Q Interface
150
Specifics of the Analog I/Q Interfaces
152
Fading and Baseband Configuration Settings
153
Table of Contents
154
Mode
155
Set to Default
155
Signal Outputs
155
Signal Routing
156
System Configuration Lxmxn
156
Entities (Users, Cells)
156
BB Signals (Tx Antennas)
157
I/Q Stream Mapper Settings
159
External RF and I/Q Settings
162
Connections Configuration and Connection Status Overview Settings
163
Sconfiguration:external:display
164
Auto Connect
164
Connect/Disconnect All Remote
164
Settings: Display
164
Connector Name
165
Preset Behavior: Keep Connections to External Instruments
165
Direction
166
External Instrument
167
I/Q Connection
167
Remote Connection Status
167
Instrument Name
168
RF Couple
168
(Delta) RF Frequency/ RF Level
169
External Instrument Configuration Settings
169
Remote Config Settings
170
Initialization Sequence Settings
174
Remote Control Settings
176
Show Connector
177
Check Connections Settings
178
RF State
169
Overview
179
Signal Routing Settings
181
Digital Baseband Input Settings
185
General Settings
187
Sample Rate Settings
188
Input Level Settings
190
Signal Monitoring Settings
191
I/Q Digital Output Settings
193
General Settings
195
Signal Output Settings
197
I/Q Analog Output Settings
200
3.8.1 General Analog I/Q Output Settings
202
Set to Default
202
General Analog I/Q Output Settings
202
Settings: State
202
I/Q Output Type
203
RF Envelope
203
Save/Recall
203
Bias (EMF)
204
Couple I/Q Bias
204
I/Q Level Vp EMF
204
Mode
204
Offset (EMF)
205
How to Connect External Instruments and Configure the Signal Flow
206
Finding out the Suitable Configuration for Your Test Situation
207
How to Define the MIMO Scenario
208
How to Route the I/Q Streams to the Output Interfaces
211
How to Cable the Instruments in MIMO Test Setups
212
How to Connect and Configure External Instruments
213
How to Generate a 2X8 MIMO Signal for BS Tests
222
How to Generate a 8X8 MIMO Signal with Two R&S SMW
224
How to Apply an External Digital Baseband Signal
230
How to Connect an R&S EX-IQ-BOX
233
4 Configuring the Internal Baseband Source
235
Standard or Wideband Baseband Generator
236
How to Access the Functions in the Baseband Domain
238
Generating Signals According to Digital Standards
239
Common Functions and Settings in the Baseband Domain
242
Internal Modulation Data
243
External Modulation Data
244
Clock Signals
245
Control Signals
247
Regular Marker Output Signals
249
Marker Modes
250
Marker Minimum Duration
251
Delaying Marker Signals
252
Trigger Sources
253
Impact of the Trigger Modes on the Signal Generation
254
Impact of the Additional Trigger Settings
256
Receiving and Providing Trigger Signals
259
Supported Modulation Types
262
Supported Coding Schemes
263
Impact of the Filter Parameters
264
Methods for Optimizing the Crest Factor
265
Common Settings
267
Trigger Settings
268
Marker Settings
273
Clock Settings
275
Local and Global Connector Settings
276
Trigger the Baseband Sources with a Common Signal
277
Generating Custom Digital Modulated Signals
279
4.6.3 Custom Digital Modulation Settings
280
Custom Digital Modulation Settings
280
Settings: General Settings
280
Data Source
283
Trigger, Marker and Clock Setting
283
Modulation Settings
288
Filter Settings
291
Power Ramp Control Settings
292
Data List Editor
295
Control and Marker Lists Editor
297
How to Create Data and Control Lists
300
How to Create and Assign a Control List
301
How to Create and Assign a Data List
303
References
304
Predefined Modulation Types
307
Common Coding Algorithms
310
Predefined Baseband Filters
312
Using the Arbitrary Waveform Generator (ARB)
315
About the ARB
316
Waveform Sample Rate
318
Impact on the Enabled Number of Marker Signals on the Waveform Length
319
ARB Settings
320
Settings: State
322
Load Waveform/File
323
Set to Default
323
Use One Waveform for All Basebands
323
Waveforms Table
323
Clock Frequency
324
Create Multi Segment
324
Delay
324
Waveform Info
324
Create Multi Carrier
325
Create Test Signal
325
Sine Test Signals
326
Rectangular Test Signal
327
Constant IQ Test Signal
329
Trigger, Marker and Clock Setting
330
How to Generate and Play Waveform Files
331
How to Load and Play Waveform Files
332
How to Create a Waveform File Generated with the R&S Winiqsim2 and Load It in the ARB
333
References
339
Multi-Segment Waveforms Processing
340
File Concept
341
Impact of the Trigger Settings and Next Segment Settings
342
Multi-Segment Settings
345
Setting for Handling the Multi-Segment Files and Output File Settings
346
Segment Table
348
Level / Clock / Marker Settings
350
Multi-Segment Waveform Sequencing
352
General Settings
354
Sequencing Play List Settings
355
Next Segment Trigger in Settings
357
How to Create and Work with the Multi-Segment Waveform Files
360
Reference to Triggering of Multi-Segment Waveforms
366
Triggering in "Next Trigger Mode = Next Segment
367
Triggering in "Next Trigger Mode = Next Segment Seamless
368
Triggering in "Next Trigger Mode = Sequencer
369
Required Options
370
Defining the Carrier Frequency
371
Multi-Carrier Settings
372
Set to Default
373
Mode
374
Number of Carriers
374
Save/Recall Frame
374
Carrier Spacing
375
Clipping
375
Crest Factor Mode
375
Frequency
375
Target Crest Factor
375
Power Reference
376
Signal Period
376
Signal Period Mode
376
Output Settings
378
File
379
Clock Rate
379
File Size
379
Create/Create and Load
379
Carrier Table Settings
380
Carrier Table Assistant
382
Carrier Graph
384
How to Use the Multi-Carrier Function
385
Generating Multi-Carrier Continuous Wave Signal
387
Required Options
388
General Carrier Settings
389
Carrier Table
391
Carrier Graph
394
How to Use the Multi-Carrier Continuous Wave Function
395
References
396
Generating a Linear Slope Ramp Waveform
397
About the Baseband Offsets
398
Impact of the Phase Offset
399
Impact of the Gain
400
How to Improve Signal Characteristics by Shifting the Wanted Baseband Signal
402
Simulating Fading, Adding Noise and Predistortions, and Impairing the Signal
404
About the AWGN Generator
405
AWGN Settings
409
General Settings
411
Noise Power/Output Results Settings
413
Connected Instrument
414
Reference Mode
414
Set Noise Power Via
414
Show Powers for Output
414
Bit Rate
415
Carrier/Noise Ratio, Signal/Noise Ratio
415
E B /N
415
Carrier Power, Signal Power
416
Noise Power (System Bandwidth), Interferer Power
416
Noise Power (Total Bandwidth)
417
How to Configure the Noise Generator for Receiver Tests
418
Impairing the Signal
421
Gain and Gain Imbalance
422
I and Q Offset
423
Analog and Digital Impairments Settings
424
How to Optimize the Carrier Leakage and Sidebands Suppression
428
Frequency Response Correction
429
I/Q Modulator Settings
431
6 Applying I/Q Vector Modulation
430
Settings: Source/State
433
Settings: Source
433
State
433
Adjust I/Q Modulator Current Frequency
434
I/Q Swap
434
(Baseband) Gain
435
Crest Factor
435
I/Q Wideband
435
Linearize RF
436
Optimization Mode
436
Adjust Linearization Current Frequency
437
Frequency Response Settings
437
How to Adjust the I/Q Modulator to Optimize Performance
439
How to Access the Functions in the RF Domain
442
7 Configuring the Signal in the RF Domain
441
Required Options
444
Configuring RF Frequency and Level
445
RF Level Settings
449
[:Source
450
Default Chapter
450
Digital Attenuation
450
Settings Amplitude
450
Mode
451
Setting Characteristics
451
Attenuator Level Range
452
Readjust
452
Adjust Level at Current Settings
453
Limit
453
Offset
453
User Variation
453
RF Phase Settings
454
References
455
Reference Oscillator
456
Reference Oscillator Settings
459
Local Oscillator Coupling
463
Required Options
465
LO Coupling Settings
466
7.5.4 How to Adjust the lo Level, Find the Connectors and Configure Cascaded Instruments
468
Varying the RF Signal in List or Sweep Mode
472
Signal Generation and Triggering in the Sweep and List Modes
474
About Sweep Mode
482
Sweep Signal Shapes
484
About List Mode
485
Significant Parameters and Functions
487
Sweep Mode Settings
489
List Mode Settings
496
List Mode Data Settings
498
Import/Export Settings
500
List Editor
501
Import/Export List Files
505
How to Generate a Signal in List or Sweep Mode
507
Analog Modulations
508
Required Options
510
Internal Signal Sources
511
Modulation Signal Waveforms
515
Modulation Settings
517
AM, FM and Phim Modulation Sources
518
AM, FM and Phim Modulation Settings
521
LF Signal Output Settings
525
Overview
527
Pulse Generator
530
Pulse Graph
532
How to Generate an Amplitude Modulated Signal
533
How to Generate a Pulse Modulated Signal
534
References
535
Attenuator
536
Attenuator Settings
537
Reverse Power Protection
539
Required Options
541
User Correction
544
User Correction Settings
545
List Editor
547
Fill with Sensor
550
Import/Export List Files
553
Using Power Sensors
555
NRP Sensor Mapping
556
NRP Power Viewer
558
NRP Power Viewer Settings
560
NRP Info Update
566
How to Update the Sensor Firmware
567
How to Calibrate the Power Level with an R&S NRP Power Sensor
568
8 Monitoring Signal Characteristics
574
I/Q Diagram
575
Vector Diagram
576
Eye Diagram
577
CCDF Display
578
Power Spectrum
579
Signal Acquisition Points
580
Display Functions
581
Graphics Configuration Settings
583
Graphical Signal Display Settings
587
How to Verify the Generated Signal with the Graphics Display
589
Querying Information on the Baseband Power Levels
603
Required Options
604
Why Is a Power Level Surveillance Important
605
Selecting a Suitable Acquisition Method
606
Understanding the Displayed Measurement Results
608
Baseband Powers Settings
609
How to Query Information on the Baseband Power Levels
612
9 Multi-Instrument Setups
622
Generating Time-Aligned Baseband Signals
623
Multi-Instrument Settings
624
How to Connect and Configure Instruments in Master-Slave Mode
626
Further Information
629
Control and Operation of External Instruments
630
Prerequisites for Control of External Instruments from the R&S SMW
631
Control of Connected R&S SZU
632
Further Information
633
10 File and Data Management
634
Restoring the (Default) Instrument Configuration
637
Preset, Set to Default and Factory Preset Settings
639
How to Identify Parameters Which Are Not in a Preset State
640
How to Recall User Settings Automatically after Preset
641
Reference
642
Protecting Data
643
Save/Recall Settings
644
How to Save and Recall Instrument Settings
647
How to Recall the Settings of a Firmware Option
649
File Select Settings
650
How to Create and Access Data and Control Lists
652
Exporting Remote Command Lists
653
Using the File Manager
654
File Manager Settings
655
Map Network Share Settings
656
How to Display All Saved Files
657
How to Map a Network Folder
658
How to Transfer Files from and to the Instrument
659
Removing File System Protection
660
Accessing the File System of the R&S SMW Via Ftp
661
Accessing the R&S SMW File System Via SMB (Samba)
663
Using a USB Storage Device for File Transfer
664
Using a File Server for Test Files Exchange
665
Creating Screenshots of Current Settings
666
How to Store a Hardcopy of the Display
670
11 General Instrument Functions
671
Display and Keyboard Settings
672
GUI Appearance Settings
674
Defining the RF Signal State on Power on
675
Configuring the Local and Global Connectors
676
Global Connectors
677
Trigger Marker Clock and RF Connectors
678
Internal Resources for the Trigger, Marker, Clock and Control Signals
679
Trigger Marker Clock Settings
680
Overview Table
682
Global Connectors Settings
684
Local Connectors Settings
689
How to Enable Signals and Perform Signal to Connector Mapping
692
Assigning Actions to the User Key
693
Define User Key Actions Settings
694
How to Open Frequently Used Dialogs
696
Managing Licenses and License Keys
697
How to Move a Portable License
699
Managing the Security Settings
701
Protection Level Settings
702
Setting Security Parameters
703
Configuring LAN Services
707
Password Management
709
Undoing or Restoring Actions
711
Shutting down and Rebooting the Instrument
713
Remote Control Interfaces and Protocols
719
12 Network Operation and Remote Control
717
LAN Interface
720
Hislip Protocol
722
USB Interface
723
LXI Browser Interface
724
VISA Library
725
Remote Access Settings
728
Network Settings
729
VISA Resource Strings
733
GPIB Address Settings
734
Instrument Emulations Settings
735
Active Connections Settings
736
QR Code
737
LXI Settings
738
LXI Browser Settings
740
LAN Configuration
741
Advanced Config
742
Ping Client
743
Data Sheet
745
How to Change the GPIB Instrument Address
746
How to Set up a Remote Control Connection
747
Establishing a Remote Control Connection over LAN Using VXI-11 Protocol
748
Setting up a Remote Control Connection over LAN Using Socket Communication
754
Setting up a Remote Control Connection over GPIB
755
Setting up a Remote Control Connection over USB
756
How to Return to Manual Operation
757
Automating Tasks with Remote Command Scripts
758
Show SCPI Command
761
SCPI Recording Export Settings
762
How to Find out the SCPI Command Corresponding to the Manual Operation Via Show SCPI Command
764
How to Find out a Function in Manual Operation Corresponding to a SCPI Com Mand
765
How to Record / Create SCPI Lists
767
How to Convert and Save SCPI Lists
771
How to Set up Remote Operation Via VNC
772
Setting up a Remote Operation from a Smart Device
774
Using a VNC App
775
Using a Web Browser with HTML5
776
Special Mode QR Code
777
Code Generator Templates
778
Remote Control States
780
Hard Copy Settings
819
Automatic Naming
820
Kboard Subsystem
823
Sense, READ, Initiate and Slist Subsystems
827
Sconfiguration Subsystem
840
Multi Instrument Configuration
848
Baseband and Fading Configuration
849
I/Q Stream Mapping
855
External RF and I/Q Instruments
856
Source Subsystem
871
Source:bbin Subsystem
879
Analog Modulation Subsystems
885
13 Remote Control Commands
781
Backward Compatibility with Other Rohde & Schwarz Signal Generators
782
Programming Examples
784
Preset Commands
789
Mmemory Subsystem
790
File Naming Conventions
791
Accessing Files in the Default or in a Specified Directory
792
Programming Examples
793
Remote Control Commands
795
Calibration Subsystem
803
Clock Subsystem
809
Display Subsystem
811
Format Subsystem
816
Hcopy Subsystem
817
Programming Examples
818
Source:fm Subsystem
889
Source:pm Subsystem
892
Source:pulm Subsystem
896
Source:bb Subsystem
901
Source:bb:DM Subsystem
905
Programming Examples
906
General Commands
908
Save/Recall Settings
912
Filter Settings
913
Modulation and Coding Settings
915
Power Ramping
918
Trigger Settings
920
Marker Settings
925
Clock Settings
927
Handling List Files
928
Source:bb:arbitrary Subsystem
934
Programming Examples
935
General Commands
943
Waveform Commands
946
Multi-Segment Commands
951
Multi-Segment Sequencing Commands
955
Multi-Carrier Commands
958
Trigger Commands
969
Marker Commands
974
Clock Commands
976
Tag Description
977
How to Define Periodically Repeating Traces
989
How to Manually Create a Waveform Using Tag File Format
990
How to Create a Control List Using Tag File Format
994
How to Create a Data List Using Tag File Format
996
Editing Waveform Files, Data and Control Lists
997
Source:bb:mccw Subsystem
998
General Settings and Carrier Setup Settings
1003
Trigger Settings
1010
Marker Settings
1014
Clock Settings
1016
Source:bb:impairment Subsystem
1026
Source:bb:graphics Subsystem
1030
Source:bb:measurement Subsystem
1034
Source:bb:progress Subsystem General Commands
1039
Source:correction Subsystem
1041
Correction Settings
1043
Sgamma Correction Data
1046
Correction Data Exchange
1048
Frequency Response Commands
1050
Source:frequency Subsystem
1052
Source:input Subsystem
1062
Source:iq Subsystem
1063
Source:iq:output Subsystem
1066
Source:iq:output:digital Commands
1071
Source:lfoutput Subsystem
1076
LF Generator Settings
1078
LF Sweep Settings
1085
Source:list Subsystem
1088
List Mode Settings
1092
List Mode File Operation
1098
List Mode Data Exchange
1100
Source:noise Subsystem
1103
Source:pgen Subsystem
1104
Source:phase Subsystem
1106
Source:power Subsystem
1107
Source:roscillator Subsystem
1118
Source:sweep Subsystem
1121
System Subsystem
1130
Status Subsystem
1152
TEST Subsystem
1156
Trigger Subsystem
1161
UNIT Subsystem
1164
14 Maintenance
1166
Storing and Packing
1167
Performing Maintenance Tasks
1168
Date and Time Settings
1169
Check Front Panel
1170
Check Front Panel Settings
1171
Internal Adjustment Settings
1175
Selftest Connections Settings
1178
Selftest Test Generator Settings (DAC)
1179
Selftest Baseband Settings
1181
Fpga/Uc Update Settings
1182
Hardware Configuration Settings
1183
Versions/Options Settings
1184
15 Troubleshooting and Error Messages
1187
SCPI-Error Messages
1188
Querying Error Messages & Info Key
1190
Resolving Network Connection Failures
1192
Annex
1195
A.2 Revised Front Panel Keys
1196
A.3 New Connectors' Concept
1197
A.4 Revised Options Concept
1198
A.5 Tab Based Dialog Structure
1199
A.6 Context-Sensitive Menu for Quick Access
1200
A.8 Flexible Signal Routing and Mapping of the I/Q Streams to the Output Connec Tors
1201
A.9 Support of Versatile MIMO and Multi-Entity Configurations
1202
A.10 Info Manager and Remote Indication
1203
A.12 Remote Control, Remote Operation and File Transfer
1204
B Reference Information for Remote Control
1206
B.1.2 LAN Interface Messages
1207
B.1.3.1 Syntax for Common Commands
1208
Numeric Suffixes
1209
B.1.3.3 SCPI Parameters
1210
Special Numeric Values
1211
Text Parameters
1212
B.1.3.5 Structure of a Command Line
1214
B.1.4 Command Sequence and Synchronization
1215
B.1.4.2 Examples to Command Sequence and Synchronization
1217
B.1.5 Status Reporting System
1218
B.1.5.1 Hierarchy of the Status Registers
1219
B.1.5.2 Structure of a SCPI Status Register
1220
B.1.5.3 Status Byte (STB) and Service Request Enable Register (SRE)
1222
B.1.5.4 Event Status Register (ESR) and Event Status Enable Register (ESE)
1223
B.1.5.5 Questionable Status Register (Status:questionable)
1224
Service Request
1225
Error Queue
1226
B.1.6 General Programming Recommendations
1227
B.3 Extensions for User Files
1232
C Concepts and Basic Terminology
1235
D Elements and Controls of the Graphical User Interface
1238
D.2 Elements in the Block Diagram
1240
D.3 Elements in the Task Bar
1242
D.4 Status Information Displayed in the Info Line
1244
D.5 Elements Displayed for Interactions
1245
D.6 Naming Conventions in the User Interface
1252
E Hardware Interfaces
1256
F Available Tutorial Files
1258
Glossary: List of the Often Used Terms and Abbreviations
1259
List of Commands and Waveform Tags
1266
Index
1287
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