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Rohde & Schwarz R&S SMM-K114 User Manual

Rohde & Schwarz R&S SMM-K114 User Manual

Ofdm signal generation
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R&S
SMM-K114
OFDM Signal Generation
User Manual
(;ÝCÈ2)
1179195802
Version 09

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Summary of Contents for Rohde & Schwarz R&S SMM-K114

  • Page 1 ® R&S SMM-K114 OFDM Signal Generation User Manual (;ÝCÈ2) 1179195802 Version 09...
  • Page 2 This document describes the following software options: ● R&S ® SMM-K114 OFDM Signal Generation (1441.1824.xx) ® This manual describes firmware version FW 5.30.175.xx and later of the R&S SMM100A. © 2024 Rohde & Schwarz Muehldorfstr. 15, 81671 Muenchen, Germany Phone: +49 89 41 29 - 0 Email: info@rohde-schwarz.com Internet:...

  • Page 3: Table Of Contents

    ® Contents R&S SMM-K114 Contents 1 Welcome to the OFDM Signal Generation option....... 7 Accessing the OFDM Signal Generation dialog............8 What's new........................8 Documentation overview....................8 1.3.1 Getting started manual....................8 1.3.2 User manuals and help....................8 1.3.3 Service manual....................... 9 1.3.4 Instrument security procedures..................9 1.3.5 Printed safety instructions....................
  • Page 4 ® Contents R&S SMM-K114 3.2.1 Physical settings......................31 3.2.2 Filter settings.........................37 3.2.3 Modulation configuration settings..................40 Allocation settings...................... 42 3.3.1 User settings......................... 43 3.3.2 Allocations settings....................... 45 3.3.3 Split pattern settings......................50 3.3.4 SCMA settings......................51 3.3.5 Zadoff-Chu settings....................... 54 3.3.6 Constellation points settings..................55 3.3.7 Time plan........................56 Trigger settings......................
  • Page 5 ® Contents R&S SMM-K114 Glossary: Terms and abbreviations..........110 Glossary: Specifications, references and further information..112 List of commands................113 Index....................116 User Manual 1179.1958.02 ─ 09...
  • Page 6 ® Contents R&S SMM-K114 User Manual 1179.1958.02 ─ 09...

  • Page 7: Welcome To The Ofdm Signal Generation Option

    ® Welcome to the OFDM Signal Generation option R&S SMM-K114 1 Welcome to the OFDM Signal Generation option The options R&S SMM-K114is a firmware application that adds functionality to gener- ate the following: ● User-defined OFDM signals ● 5G NR test signals in accordance with the 5GNOW project specification 5GNOW...

  • Page 8: Accessing The Ofdm Signal Generation Dialog

    ® Welcome to the OFDM Signal Generation option R&S SMM-K114 Documentation overview 1.1 Accessing the OFDM Signal Generation dialog To open the dialog with OFDM Signal Generation settings ► In the block diagram of the R&S SMM100A, select "Baseband" > "OFDM Signal Generation".

  • Page 9: Service Manual

    ® Welcome to the OFDM Signal Generation option R&S SMM-K114 Documentation overview Contains the description of all instrument modes and functions. It also provides an introduction to remote control, a complete description of the remote control com- mands with programming examples, and information on maintenance, instrument interfaces and error messages.

  • Page 10: Calibration Certificate

    ® Welcome to the OFDM Signal Generation option R&S SMM-K114 Documentation overview 1.3.7 Calibration certificate The document is available on https://gloris.rohde-schwarz.com/calcert. You need the device ID of your instrument, which you can find on a label on the rear panel. 1.3.8 Release notes and open source acknowledgment The release notes list new features, improvements and known issues of the current software version, and describe the software installation.

  • Page 11: Scope

    ® Welcome to the OFDM Signal Generation option R&S SMM-K114 Notes on screenshots 1.4 Scope Tasks (in manual or remote operation) that are also performed in the base unit in the same way are not described here. In particular, it includes: ●...

  • Page 12: About Ofdm Signal Generation Option

    ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes 2 About OFDM Signal Generation option The OFDM Signal Generation option enables you to create waveforms according to the following modulation schemes OFDM, f-OFDM, GFDM, UFMC and FBMC. ●...

  • Page 13: F-Ofdm

    ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes ● Chapter 3.2.3, "Modulation configuration settings", on page 40 2.2.2 f-OFDM The filtered OFDM (f-OFDM) modulation is a technique similar to the UFMC modula- tion. Other as in the UFMC, in the f-OFDM uses frame-based filtering. The method is also known as Spectrum Filtered-OFDM.

  • Page 14: Ufmc

    ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes = A permutation matrix that applies a frequency shift and moves the block input vectors to the position of the subcarriers. = IFFT matrix that converts the signal from the frequency domain back to the time domain ∑...

  • Page 15: Fbmc

    ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes Related settings ● Chapter 3.2.1, "Physical settings", on page 31 ● Chapter 3.2.2, "Filter settings", on page 37 ● Chapter 3.2.3, "Modulation configuration settings", on page 40 2.2.5 FBMC In the Filter Bank Multi-Carrier (FBMC) system, the filtering is applied on a per subcar- rier basis.

  • Page 16: Filtering

    ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes = Individual delays for each subcarrier s[m] = Transmit signal (the sum of all subcarriers). = Overlapping factor; defines the number of superimposing symbols in time. OQAM pre-processing Orthogonal QAM is a method that shifts the in-phase components of the QAM modula- ted symbols by T/2 (a half of the symbol length) compared to the quadrature (Q) com- ponents.
  • Page 17 ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes Modulation Time domain filtering Frequency domain filtering type f-OFDM Per frame Per subband OFDM none none Each modulation type proposes a prototype filter with different characteristics, like filter type and filter length L.
  • Page 18 ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes A = Filter impulse response B = Filter frequency response 1 = Mainlobe 2 = Sidelobe suppression Adjusting the filter parameters can change the filter shape. For example, changing the filter rolloff factor influences the steepness of the filter slopes.
  • Page 19 ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes frequency sampling technique. This prototype filter is described by a few filter coeffi- cients that do not depend on the filter length. For overlapping factor K = 4, the filter coefficients are [[3], 5GNOW D3.x]: ●...
  • Page 20 ® About OFDM Signal Generation option R&S SMM-K114 Overview of modulation schemes Example: To generate a user filter file (script) Function [b, n] = generateUserFilter(filterSets, destPath) % generateUserFilter returns the filter coefficients of a user-defined (baseband-)filter, % whose are stored to a .dat file and can be % loaded as an user filter in R&S SMW % where: % filterSets.fftSize is the used FFT size that is used for the OFDM modulation...

  • Page 21: Supported Multiple Access Schemes

    ® About OFDM Signal Generation option R&S SMM-K114 Supported multiple access schemes % fvtool(b); %displays filter response %% write filter out into .dat filter coefficient file coeffsOut = zeros(2*length(b),1); coeffsOut(1:2:end) = real(b); coeffsOut(2:2:end) = imag(b); % serialize complex coefficients if (exist('destPath')) dlmwrite([destPath '\smw_user_filter_' num2str(length(b)) 'taps_' num2str(filterSets.nOccSubcarrier) 'scs_' num2str(filterSets.fftSize) 'fft.dat'],coeffsOut);...
  • Page 22 ® About OFDM Signal Generation option R&S SMM-K114 Supported multiple access schemes = 4 is the codebook size (that is the number of codewords) = 4 is the spreading factor (that is the spread codeword length) = 2 is the number of non-zero elements. K-N = 2 is the number of zero elements.
  • Page 23 ® About OFDM Signal Generation option R&S SMM-K114 Supported multiple access schemes Figure 2-9: SCMA encoding example (K = 4, N = 2, J = 6) User#x = 6 users Codebook#x = 6 codebooks or layers Bitstream = Binary input data per user, for example User#0 sends bits (0,0). CWy,x = Codeword#y form codebook#x ∑...

  • Page 24: Physical Layer Parameterization

    ® About OFDM Signal Generation option R&S SMM-K114 Physical layer parameterization 2.4 Physical layer parameterization Data allocation and modulation You can modulate input data symbols using modulation schemes: ● Base modulation with constellations: BPSK, QPSK, 16QAM, 64QAM, 256QAM, SCMA ● Custom modulated I/Q data from files containing other modulation schemes, like CAZAC sequences for instance.
  • Page 25 ® About OFDM Signal Generation option R&S SMM-K114 Physical layer parameterization Calculation of the sequence length as number of samples and per modulation type is as follows: ● f-OFDM/OFDM Sequence Length [Samples] = ("Total Number of Subcarriers"*"Sequence Length" [Symbols] + "Cyclic Prefix Length"*"CP No. Symbols" + "Alt. Cyclic Prefix Length"*"Alt.

  • Page 26: Generating Configuration Files For R&S ® Vse-K96

    ® About OFDM Signal Generation option R&S SMM-K114 ® Generating configuration files for R&S VSE-K96 ® 2.5 Generating configuration files for R&S VSE-K96 If you generate f-OFDM signals or OFDM signals, the R&S SMM100A automatically creates a *.xml file. You can use this file for measurements with Rohde & Schwarz ®...

  • Page 27: Ofdm Signal Generation Configuration And Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings 3 OFDM Signal Generation configuration and settings Access: ► Select "Baseband" > "OFDM Signal Generation". The remote commands required to define these settings are described in Chapter 3, "OFDM Signal Generation configuration and settings", on page 27.
  • Page 28 ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Generate Waveform...................... 28 Modulation Type......................28 Export path for XML settings ..................29 Set To Modulation Default..................... 30 General Settings ….......................30 Allocation Settings …....................30 State Activates the standard and deactivates all the other digital standards and digital modu- lation modes in the same path.
  • Page 29 ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings "OFDM" You can create your own OFDM signal, for example configure the allocations as required. If you enable baseband signal generation, also creates a *.xml set- ting file for this modulation type. See also Chapter 2.5, "Generating ®...

  • Page 30: General Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings If modulation is enabled ("State" > "On"), the *.xml settings file is created automati- cally. You can use this file for measurements with Rohde & Schwarz signal analyzer, ® for example R&S VSE-K96.

  • Page 31: Physical Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings 3.2.1 Physical settings Access: ► Select "OFDM Signal Generation" > "General Settings". The tab provides physical settings. Most of these settings are common to all modu- lation types but can differ within their application. For settings that are unique for a specific modulation type, the description states this modulation type.
  • Page 32 ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings The maximum number of subcarriers depends on the selected "Subcarrier Spacing" as follows: ≤ Bandwidth "Total Number of Subcarriers" * Subcarrier Spacing The available baseband bandwidth depends on the installed options, see specifications document.

  • Page 33: Total Number Of Subcarriers/Fft Size

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings The cyclic prefix calculation depends on the modulation scheme: ● f-OFDM/OFDM Similar to the calculation in LTE, the cyclic prefix is applied as a cyclic extension to each symbol. Figure 3-1: Principle of cyclic prefix calculation in f-OFDM/OFDM (default configuration with CP No.

  • Page 34: Sequence Length

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Alt. Cyclic Prefix Length For f-OFDM/OFDM, you can modify the default CP assignment where the same CP is applied to each symbol and enable additional alternative CP, see Figure 3-3.

  • Page 35: Cyclic Suffix Length

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Other than 0 The value ranges of the parameters are calculated as follows: "CP No. Symbols" + "Alt. CP No. Symbols" ≤ "Sequence Length" If the sum is shorter than the "Sequence Length", the defined CP pat- tern is applied cyclically within this sequence length.

  • Page 36: Zero Padding Repetition After Symbols

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Sets the number of zero samples for padding. The instrument inserts these zero sam- ples before the modulation symbols. See also "Padding with zero samples" on page 25. The maximum number of zero samples equals the total number of subcarriers minus one sample, see "Total Number of Subcarriers/FFT Size"...

  • Page 37: Filter Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Remote command: on page 76 [:SOURce<hw>]:BB:OFDM:BWOCcupied? Number of Left Guard Subcarriers/Number of Right Guard Subcarriers Displays the number of left guard and right guard subcarriers. The number of guard subcarriers is calculated as follows: ●...
  • Page 38 ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Settings: Filter Type........................38 Rolloff Factor.........................38 Filter Length........................39 Stopband Attenuation....................39 Windowing Method......................39 Cut Transient Response....................39 User Filter Length......................40 Load User Filter......................40 Filter Type Sets the filter type. The available types depend on the selected modulation type. See also Chapter 2.2.6, "Filtering",...
  • Page 39 ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Figure 3-4: Example of the frequency response of a filter with different rolloff factors Remote command: on page 78 [:SOURce<hw>]:BB:OFDM:FILTer:ROLLoff Filter Length Set the number of filter tabs and changes the filter shape in the time domain. Remote command: on page 79 [:SOURce<hw>]:BB:OFDM:FILTer:LENGth...

  • Page 40: Modulation Configuration Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings See also "Proposed prototype filters" on page 17. Remote command: on page 79 [:SOURce<hw>]:BB:OFDM:FILTer:CUTTrans User Filter Length Indicates the number of filter coefficients in the user filter file, see "User filter file format (*.dat files)"...
  • Page 41 ® OFDM Signal Generation configuration and settings R&S SMM-K114 General settings Settings: Number of Subbands....................41 Subcarriers per Subband....................41 Subband Filter Pre-equalization..................41 Datablock Size......................42 Overlap Factor......................42 Number of Subbands Requires "Modulation Type" > "f-OFDM"/"UFMC". Sets the number of subbands. A subband is a group of adjacent subcarriers. The num- ber of subcarriers in one subband is calculated as follows: Subcarriers per Subband Occupied Number of Subcarriers...

  • Page 42: Allocation Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Datablock Size Requires "Modulation Type" > "GFDM". Sets data block size M in terms of symbols per data block. The "Datablock Size" is a value between 1 and the Sequence Length value and must be a common divisor of the "Sequence Length".

  • Page 43: User Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Settings: ● User settings......................43 ● Allocations settings....................45 ● Split pattern settings....................50 ● SCMA settings......................51 ● Zadoff-Chu settings....................54 ● Constellation points settings................... 55 ● Time plan........................ 56 3.3.1 User settings Access: ►...
  • Page 44 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Data Source The following standard data sources are available: ● "All 0"/"All 1" An internally generated sequence containing 0 data or 1 data. ● "PNxx" An internally generated pseudo-random noise sequence. ●...

  • Page 45: Allocations Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings 3.3.2 Allocations settings Access: ► Select "Allocations". This tab provides settings to configure the number of allocations and individual allocation settings in a table. Each row represents a configuration of an individual allocation.
  • Page 46 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Remote command: on page 86 [:SOURce<hw>]:BB:OFDM:NALLoc Allocation number AL# Displays the consecutive number of the allocation. Remote command: n.a. Constellation Sets the constellation that is the base modulation type of the selected allocation. "BPSK"/"QPSK"...
  • Page 47 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings No. Sym. Sets the allocation size in the time domain and expresses the time in the number of symbols. Remote command: on page 88 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SYNO Offs. SC Sets the start subcarrier of the selected allocation. It shifts the allocated bandwidth in the frequency domain.
  • Page 48 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings "All 0"/"All 1"/"PNxx"/"Pattern/"/"Data List"/"Select DList" The following standard data sources are available: ● "All 0"/"All 1" An internally generated sequence containing 0 data or 1 data. ● "PNxx" An internally generated pseudo-random noise sequence. ●...
  • Page 49 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings "Preamble" Fixed setting for "Modulation Type" > "UFMC". Use preambles to synchronize the R&S SMM100A and external instrument, for example, an Rohde & Schwarz signal analyzer. The preamble spans the entire occupied bandwidth. The preamble is part of the first symbol or symbols that you set via the number of sym- bols, see "No.

  • Page 50: Split Pattern Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Split Pattern Accesses split pattern settings for the selected allocation, see Chapter 3.3.3, "Split pat- tern settings", on page 50. Remote command: on page 89 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:PATTern State Enables the allocation. Remote command: on page 91 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:STATe...

  • Page 51: Scma Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Split Pattern Activates split pattern settings for the selected allocation. Remote command: on page 93 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SPLT:STATe SCS Size Sets the subcarrier spacing (SCS) size. The maximum SCS size equals the number of subcarriers of the selected allocation, "No.
  • Page 52 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings 4. Select "Layer Mapping". In the "Layer Mapping" tab, assign users to individual layers and configure the state of these layers. Settings: Codebook........................52 └ Spreading Factor K..................52 └ Codebook Size M....................53 └...
  • Page 53 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings Codebook Size M ← Codebook Displays the codebook size M. Remote command: on page 92 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:CODebook? Number of Layers J ← Codebook Displays the resulting number of layers J. The number of layers (that is also the number of codebooks) is calculated as follows: ...

  • Page 54: Zadoff-Chu Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings 3.3.5 Zadoff-Chu settings Access: 1. Select "Allocations". 2. Select "AL#" > "Constellation" > "ZadoffChu". 3. Select "Data Source" > "Config". The "ZadoffChu Settings" dialog of the selected allocation "(AL#)" opens. It pro- vides settings to configure sequence length, number of sequences and cyclic shifts of the Zadoff-Chu sequence.

  • Page 55: Constellation Points Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings 3.3.6 Constellation points settings Access: 1. Select "Allocations". 2. Select "AL#" > "Constellation" > "Custom Constellation". 3. Select "Mod. Order". The "Constellation Points" dialog of the selected allocation "(AL#)" opens. It pro- vides settings to configure the modulation order, the reference coordinate system and constellation point coordinates of an individual allocation.

  • Page 56: Time Plan

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Allocation settings You can set real part (x-axis) and imaginary part (y-axis) coordinates for a Cartesian coordinate system. Or you can set phase and magnitude coordinates for a cylindrical coordinate system. See "Mapping Coordinates"...

  • Page 57: Trigger Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Trigger settings 1st Symbol Selects the number of the first displayed symbol. Remote command: n.a. Symbols Sets the number of displayed symbols. The maximum number of symbols is set with the parameter Sequence Length.
  • Page 58 ® OFDM Signal Generation configuration and settings R&S SMM-K114 Trigger settings You can map trigger signals to one or more User x or T/M connectors. Local and global connectors settings allow you to configure the signal mapping, the polarity, the trigger threshold and the input impedance of the input connectors. 3.

  • Page 59: Mode

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Trigger settings An "Arm" stops signal generation. A subsequent trigger event (internal or external) causes a restart. ● "Single" The signal is generated only when a trigger event occurs. Then the signal is gener- ated once to the length specified at "Signal Duration".

  • Page 60: Arm

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Trigger settings Sets date and time for a time-based trigger signal. Set a trigger time that is later than the "Current Time". The current time is the operating system time of the R&S SMM100A. If you set an earlier trigger time than the current time, time-based triggering is not possible.

  • Page 61: External Inhibit/Trigger Inhibit

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Trigger settings put. After elapsing of the internal processing time, the output signal is synchronous to the trigger event. ● "Off" The signal output begins after elapsing of the processing time. Signal output starts with sample 0.

  • Page 62: (Specified) External Delay/(Specified) Trigger Delay

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Trigger settings To specify the delay, use the parameter (Specified) External Delay/(Specified) Trigger Delay. The parameter Actual Trigger Delay/Actual External Delay displays the delay conver- ted in time. Remote command: on page 102 [:SOURce<hw>]:BB:OFDM:TRIGger:DELay:UNIT (Specified) External Delay/(Specified) Trigger Delay The name of the parameter and the units the delay is expressed in, changes depend-...

  • Page 63: Marker Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Marker settings 3.5 Marker settings Access: ► Select "OFDM Signal Generation" > "Marker". This tab provides settings to select and configure the marker output signal includ- ing marker mode and marker delay. Routing and activating a marker signal 1.

  • Page 64: Clock Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Clock settings Mode Sets the marker mode that defines the shape and periodicity of the marker signals. You can configure marker modes for up to 3 markers. The marker configuration changes with the selected marker mode. How to: "Routing and activating a marker signal"...

  • Page 65: Local And Global Connectors Settings

    ® OFDM Signal Generation configuration and settings R&S SMM-K114 Local and global connectors settings Local and global connectors settings allow you to configure the signal mapping, the polarity, the trigger threshold and the input impedance of the input connectors. 3. Activate baseband signal generation. In the block diagram, set "Baseband" > "On". The R&S SMM100A starts baseband signal generation with a symbol rate that equals the clock rate.

  • Page 66: Remote-Control Commands

    ® Remote-control commands R&S SMM-K114 4 Remote-control commands The following commands are required to perform signal generation with the option R&S SMM100A-K114 in a remote environment. We assume that the R&S SMM100A has already been set up for remote operation in a network as described in the R&S SMM100A documentation.

  • Page 67: General Commands

    ® Remote-control commands R&S SMM-K114 General commands ● Modulation commands.................... 80 ● User commands...................... 82 ● Allocation commands....................83 ● Trigger commands....................98 ● Marker commands....................104 ● Clock commands....................105 4.1 General commands Example: Saving current configuration SOURce1:BB:OFDM:SETTing:STORe "/var/user/5g_ufmc_scma" *RST SOURce1:BB:OFDM:SETTing:CATalog? // Response: "5g_ufmc_scma", "5g"...
  • Page 68 ® Remote-control commands R&S SMM-K114 General commands Manual operation: "State" on page 28 [:SOURce<hw>]:BB:OFDM:PRESet Sets the parameters of the digital standard to their default values (*RST values speci- fied for the commands). Not affected is the state set with the command SOURce<hw>:BB:OFDM:STATe. Example: Example "Generating a UFMC waveform"...
  • Page 69 ® Remote-control commands R&S SMM-K114 General commands [:SOURce<hw>]:BB:OFDM:SETTing:DEL <Filename> Deletes the selected file from the default or specified directory. Deleted are files with the file extension *.c5g. Parameters: <Filename> string file name or complete file path; file extension can be omitted Example: Example "Saving current configuration"...

  • Page 70: Physical Commands

    ® Remote-control commands R&S SMM-K114 Physical commands Manual operation: "Modulation Type" on page 28 [:SOURce<hw>]:BB:OFDM:MODPreset Calls the default settings for the selected modulation type, see [:SOURce<hw>]:BB: on page 69. OFDM:MODulation Example: Example "Generating a UFMC waveform" on page 83. Usage: Event Manual operation: "Set To Modulation Default"...
  • Page 71 ® Remote-control commands R&S SMM-K114 Physical commands // Query the total number of subcarriers. :SOURce1:BB:OFDM:NSUBcarriers? // Response: "64" :SOURce1:BB:OFDM:ZSAMples 100 // Setting is out of range. :SOURce1:BB:OFDM:ZSAMples? // Repsonse in samples: "63" // Clips the number of zero samples to 63. The maximum number of zero samples // equals the total number of subcarriers minus one sample.
  • Page 72 ® Remote-control commands R&S SMM-K114 Physical commands Parameters: <NoOfSubCarr> integer Range: 64 to 16384 *RST: Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Total Number of Subcarriers/FFT Size" on page 31 [:SOURce<hw>]:BB:OFDM:NOCCupied <NumOccSc> Sets the number of occupied subcarriers. Parameters: <NumOccSc>...
  • Page 73 ® Remote-control commands R&S SMM-K114 Physical commands [:SOURce<hw>]:BB:OFDM:CPLength <CpLength> Sets the cyclic prefix length as number of samples. The maximum length equals the total number of sucarriers: on page 71 [:SOURce<hw>]:BB:OFDM:NSUBcarriers Parameters: <CpLength> integer Range: 0 to depends on settings *RST: Example: Example "Generating a UFMC waveform"...
  • Page 74 ® Remote-control commands R&S SMM-K114 Physical commands Example: on page 73. [:SOURce<hw>]:BB:OFDM:ACPLength Manual operation: "CP No. Symbols/Alt. CP No. Symbols" on page 34 [:SOURce<hw>]:BB:OFDM:CSLength <CycSuffLen> Sets the cyclic suffix length. The maximum length equals the total number of sucarri- ers: on page 71 [:SOURce<hw>]:BB:OFDM:NSUBcarriers Parameters:...
  • Page 75 ® Remote-control commands R&S SMM-K114 Physical commands [:SOURce<hw>]:BB:OFDM:ZSAMples <ZeroSamples> Requires OFDM modulation type: :SOURce1:BB:OFDM:MODulation OFDM Sets the number of samples for zero padding. The instrument inserts these zero sam- ples before the modulation symbols. See also "Padding with zero samples" on page 25.
  • Page 76 ® Remote-control commands R&S SMM-K114 Physical commands Parameters: <RepForSamples> integer Range: 1 to 2400 *RST: Example: Example "Configuring zero padding" on page 70. Manual operation: "Zero Padding Repetition after Symbols" on page 36 [:SOURce<hw>]:BB:OFDM:SAMPling? Queries the sampling rate. Return values: <SampRate>...

  • Page 77: Filter Commands

    ® Remote-control commands R&S SMM-K114 Filter commands Usage: Query only Manual operation: "Number of Left Guard Subcarriers/Number of Right Guard Subcarriers" on page 37 [:SOURce<hw>]:BB:OFDM:RGUard? Queries the number of right guard subcarriers. Return values: <RightGuardSC> integer Range: 0 to 1000 *RST: Example: Example "Generating a UFMC waveform"...
  • Page 78 ® Remote-control commands R&S SMM-K114 Filter commands [:SOURce<hw>]:BB:OFDM:FILTer:TYPE <FilterType> Sets the baseband filter type. See also Chapter 2.2.6, "Filtering", on page 16. Parameters: <FilterType> RC | RRC | DIRichlet | RECT | DCH | STRunc | USER | PHYDyas | NONE RC|DIRichlet|RECT Requires modulation type GFDM.
  • Page 79 ® Remote-control commands R&S SMM-K114 Filter commands [:SOURce<hw>]:BB:OFDM:FILTer:LENGth <FilterLength> Sets the filter length. Parameters: <FilterLength> integer Range: 1 to 800 *RST: Deppends on the filter type Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Filter Length" on page 39 [:SOURce<hw>]:BB:OFDM:FILTer:SBATtenuation <StBAttenuation>...

  • Page 80: Modulation Commands

    ® Remote-control commands R&S SMM-K114 Modulation commands [:SOURce<hw>]:BB:OFDM:FILTer:UCATalog? Queries the user filter files in the default directory. Only files with the file extension *.dat are listed. Example: Example "Generating a UFMC waveform" on page 83. Usage: Query only Manual operation: "Load User Filter"...
  • Page 81 ® Remote-control commands R&S SMM-K114 Modulation commands Return values: <SubcPerSubband> integer Range: 1 to 16384 *RST: Example: Example "Generating a UFMC waveform" on page 83. Usage: Query only Manual operation: "Subcarriers per Subband" on page 41 [:SOURce<hw>]:BB:OFDM:GFDM:DBSYmbols <GFDMDbSymbols> Sets data block size in terms of symbols per data block. The maximum size is the sequence length, see [:SOURce<hw>]:BB:OFDM: on page 72.

  • Page 82: User Commands

    ® Remote-control commands R&S SMM-K114 User commands [:SOURce<hw>]:BB:OFDM:UFMC:PREequal <UfmcPreEqual> Applies a filter pre-equalization. Parameters: <UfmcPreEqual> 1 | ON | 0 | OFF *RST: Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Subband Filter Pre-equalization" on page 41 4.5 User commands ..............

  • Page 83: Allocation Commands

    ® Remote-control commands R&S SMM-K114 Allocation commands <BitCount> integer Range: 1 to 64 *RST: Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Data Source" on page 44 [:SOURce<hw>]:BB:OFDM:USER<ch0>:PWR <Power> Applies a power offset. Parameters: <Power> float Range: -80 to 10 Increment: 1E-3 *RST:...
  • Page 84 ® Remote-control commands R&S SMM-K114 Allocation commands // Response: "52" SOURce1:BB:OFDM:BWOCcupied? // Response: "20.4" SOURce1:BB:OFDM:CSLength? // Response: "0" // No cyclic suffix configured. SOURce1:BB:OFDM:DFTS:STATe? // Response: "0" // DFT-s-OFDM for data allocations is deactivated. SOURce1:BB:OFDM:DCM? // Response: "UTIL" // Uses the DC subcarrier for all allocations. SOURce1:BB:OFDM:SAMPling? // Response: "25.6"...
  • Page 85 ® Remote-control commands R&S SMM-K114 Allocation commands SOURce1:BB:OFDM:ALLoc1:MODulation QAM256 SOURce1:BB:OFDM:ALLoc1:SCNO 100 SOURce1:BB:OFDM:ALLoc1:SCOFfset 2 SOURce1:BB:OFDM:ALLoc1:SYOFfset 2 SOURce1:BB:OFDM:ALLoc1:DATA USER0 SOURce1:BB:OFDM:ALLoc1:PHYSbits? // Response: "4000" SOURce1:BB:OFDM:ALLoc1:STATe 1 // Confgure allocation 2 settings. SOURce1:BB:OFDM:ALLoc2:MODulation SOURce1:BB:OFDM:ALLoc2:SCNO 200 SOURce1:BB:OFDM:ALLoc2:SYNO 2 SOURce1:BB:OFDM:ALLoc2:SCOFfset 150 SOURce1:BB:OFDM:ALLoc2:SYOFfset 2 SOURce1:BB:OFDM:ALLoc2:DATA USER3 // Confgure allocation 3 settings using sparse code multiple access modulation. SOURce1:BB:OFDM:ALLoc3:MODulation SCMA SOURce1:BB:OFDM:ALLoc3:SCNO 200 SOURce1:BB:OFDM:ALLoc3:SYNO 2...

  • Page 86: General Commands

    ® Remote-control commands R&S SMM-K114 Allocation commands SOURce1:BB:OFDM:ALLoc5:SCMA:LAYer5:STATe 0 // Response: "0" SOURce1:BB:OFDM:ALLoc5:CONFlict? // Response: "0" // Confgure allocation 6 settings using a Zadoff-Chu sequence for modulation. SOURce1:BB:OFDM:ALLoc6:MODulation ZAD SOURce1:BB:OFDM:ALLoc6:SCNO 2 SOURce1:BB:OFDM:ALLoc6:SYNO 2 SOURce1:BB:OFDM:ALLoc6:SCOFfset 0 SOURce1:BB:OFDM:ALLoc6:SYOFfset 0 SOURce1:BB:OFDM:ALLoc6:DATA PN16 SOURce1:BB:OFDM:ALLoc6:ZAD:SNUMber 2 SOURce1:BB:OFDM:ALLoc6:ZAD:SLENgth 1 SOURce1:BB:OFDM:ALLoc6:ZAD:CYCShift 1 SOURce1:BB:OFDM:STATe 1...
  • Page 87 ® Remote-control commands R&S SMM-K114 Allocation commands Parameters: <NoOfAlloc> integer Range: 0 to 500 *RST: Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Number of Allocations" on page 45 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:MODulation <BaseModType> Sets the modulation type of an allocation. Parameters: <BaseModType>...
  • Page 88 ® Remote-control commands R&S SMM-K114 Allocation commands Example: Example "Configuring custom modulation settings" on page 96. Manual operation: "Modulation Order" on page 46 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCNO <NoOfSubcarriers> Sets the number of allocated subcarriers. Parameters: <NoOfSubcarriers> integer Range: 1 to 13107 *RST: Example: Example "Generating a UFMC waveform"...
  • Page 89 ® Remote-control commands R&S SMM-K114 Allocation commands Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Offs. Sym." on page 47 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:PHYSbits? Queries the allocation size in bits. Return values: <PhysicalBits> integer Example: Example "Generating a UFMC waveform" on page 83.
  • Page 90 ® Remote-control commands R&S SMM-K114 Allocation commands <BitCount> integer Range: 1 to 64 *RST: Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Data Source" on page 47 "Split Pattern" on page 50 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CIQFile <CustomIqFile> Selects an existing file with custom I/Q data from the default directory or from the spe- cific directory.

  • Page 91: Scma Commands

    ® Remote-control commands R&S SMM-K114 Allocation commands Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Content Type" on page 48 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:STATe <State> Enables the allocation. Parameters: <State> 1 | ON | 0 | OFF *RST: Example: Example "Generating a UFMC waveform" on page 83.
  • Page 92 ® Remote-control commands R&S SMM-K114 Allocation commands [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:SPRead? Queries the spreading factor. Return values: <SpreadFac> integer Range: 0 to 4 *RST: Example: Example "Generating a UFMC waveform" on page 83. Usage: Query only Manual operation: "Spreading Factor K" on page 52 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:CODebook? Queries the codebook size.

  • Page 93: Split Pattern Commands

    ® Remote-control commands R&S SMM-K114 Allocation commands Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "State" on page 53 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:LAYer<st0>:USER <ScmaLayerUser> Maps the users to the layers. Parameters: <ScmaLayerUser> USER0 | USER1 | USER2 | USER3 | USER4 | USER5 *RST: USER0 Example:...
  • Page 94 ® Remote-control commands R&S SMM-K114 Allocation commands Manual operation: "Split Pattern" on page 51 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SPLT:SCS:SIZE <SplitPatScsSize> Sets the subcarrier spacing (SCS) size. The maximum SCS size equals the number of subcarriers of the selected allocation, on page 88. [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCNO Parameters: <SplitPatScsSize>...

  • Page 95: Zadoff-Chu Commands

    ® Remote-control commands R&S SMM-K114 Allocation commands Parameters: <SplitPatSymStep> integer Range: 1 to 1000 *RST: Example: Example "Configuring split pattern settings" on page 93. Manual operation: "Symbol Step" on page 51 4.6.4 Zadoff-Chu commands ............95 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:ZAD:CYCShift ............95 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:ZAD:SLEN ............95 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:ZAD:SNUMber [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:ZAD:CYCShift <CyclicShift>...

  • Page 96: Custom Constellation Commands

    ® Remote-control commands R&S SMM-K114 Allocation commands Parameters: <SeqNumber> integer Range: 1 to 13106 *RST: Example: Example "Generating a UFMC waveform" on page 83. Manual operation: "Sequence Number" on page 54 4.6.5 Custom constellation commands Example: Configuring custom modulation settings // Set custom constellation for alloction 0.
  • Page 97 ® Remote-control commands R&S SMM-K114 Allocation commands The imaginary part equals the y-axis value in a cartesian coordinate system. Parameters: <CustConstImag> float Range: -100 to 100 Increment: 0.001 *RST: Example: Example "Configuring custom modulation settings" on page 96. Manual operation: "Constellation coordinates table"...

  • Page 98: Trigger Commands

    ® Remote-control commands R&S SMM-K114 Trigger commands Parameters: <CustConstReal> float Range: -100 to 100 Increment: 0.001 *RST: Example: Example "Configuring custom modulation settings" on page 96. Manual operation: "Constellation coordinates table" on page 55 4.7 Trigger commands Example: Configuring trigger signals SOURce1:BB:OFDM:TRIGger:SEQuence SINGle SOURce1:BB:OFDM:TRIGger:SLENgth 200 // Outputs the first 200 samples of the current waveform after the trigger event.
  • Page 99 ® Remote-control commands R&S SMM-K114 Trigger commands ..............99 [:SOURce<hw>]:BB:OFDM[:TRIGger]:SEQuence ..............99 [:SOURce<hw>]:BB:OFDM:TRIGger:SOURce ..............100 [:SOURce<hw>]:BB:OFDM:TRIGger:RMODe? .............. 100 [:SOURce<hw>]:BB:OFDM:TRIGger:TIME:DATE ...............100 [:SOURce<hw>]:BB:OFDM:TRIGger:TIME:TIME ............101 [:SOURce<hw>]:BB:OFDM:TRIGger:TIME[:STATe] ..............101 [:SOURce<hw>]:BB:OFDM:TRIGger:SLENgth ..............102 [:SOURce<hw>]:BB:OFDM:TRIGger:SLUNit ..............102 [:SOURce<hw>]:BB:OFDM:TRIGger:EXECute ............102 [:SOURce<hw>]:BB:OFDM:TRIGger:ARM:EXECute .........102 [:SOURce<hw>]:BB:OFDM:TRIGger:EXTernal:SYNChronize:OUTPut .............102 [:SOURce<hw>]:BB:OFDM:TRIGger:DELay:UNIT ............. 103 [:SOURce<hw>]:BB:OFDM:TRIGger[:EXTernal]:DELay ............. 103 [:SOURce<hw>]:BB:OFDM:TRIGger:EXTernal:TDELay ...........
  • Page 100 ® Remote-control commands R&S SMM-K114 Trigger commands Parameters: <TrigSource> INTernal|EGT1|EGT2|EGC1|EGC2|EXTernal|BBSY *RST: INTernal Example: Example "Configuring trigger signals" on page 98. Manual operation: "Source" on page 60 [:SOURce<hw>]:BB:OFDM:TRIGger:RMODe? Queries the status of waveform output. Return values: <TrigRunMode> STOP | RUN *RST: STOP Example: Example "Configuring trigger signals"...
  • Page 101 ® Remote-control commands R&S SMM-K114 Trigger commands <DigStd> is the mnemonic for the digital standard, for example, ARB. Time-based trig- gering behaves analogously for all digital standards that support this feature. Parameters: <Hour> integer Range: 0 to 23 <Minute> integer Range: 0 to 59 <Second>...
  • Page 102 ® Remote-control commands R&S SMM-K114 Trigger commands Manual operation: "Signal Duration" on page 59 [:SOURce<hw>]:BB:OFDM:TRIGger:SLUNit <TrigSeqLenUnit> Defines the unit for the entry of the length of the signal sequence to be output in the SINGle trigger mode. Parameters: <TrigSeqLenUnit> SEQuence | SAMPle *RST: SEQuence Example:...
  • Page 103 ® Remote-control commands R&S SMM-K114 Trigger commands Parameters: <TrigDelUnit> SAMPle | TIME *RST: SAMPle Example: Example "Specifying delay and inhibit values in time units" on page 98. Manual operation: "(External) Delay Unit" on page 61 [:SOURce<hw>]:BB:OFDM:TRIGger[:EXTernal]:DELay <TrigExtDelay> Specifies the trigger delay. Parameters: <TrigExtDelay>...

  • Page 104: Marker Commands

    ® Remote-control commands R&S SMM-K114 Marker commands Example: Example "Specifying delay and inhibit values in time units" on page 98. Usage: Query only Manual operation: "Actual Trigger Delay/Actual External Delay" on page 62 [:SOURce<hw>]:BB:OFDM:TRIGger[:EXTernal]:INHibit <TrigExtInhibit> Specifies the number of samples by which a restart is to be inhibited following an exter- nal trigger event.

  • Page 105: Clock Commands

    ® Remote-control commands R&S SMM-K114 Clock commands [:SOURce<hw>]:BB:OFDM:TRIGger:OUTPut<ch>:ROFFset <MarkRiseOffs> [:SOURce<hw>]:BB:OFDM:TRIGger:OUTPut<ch>:FOFFset <MarkFallOffs> Shifts the rising or falling ramp of the marker by the selected number of samples. Parameters: <MarkFallOffs> integer Range: -640000 to 640000 *RST: Example: Example "Activating a marker 2 signal" on page 104.
  • Page 106 ® Remote-control commands R&S SMM-K114 Clock commands Parameters: <ClockSour> INTernal *RST: INTernal Example: Example "Configuring clock settings" on page 105. Manual operation: "Clock Source" on page 65 [:SOURce<hw>]:BB:OFDM:CLOCk:MODE <ClockMode> Sets the type of externally supplied clock. Parameters: <ClockMode> SAMPle *RST: SAMPle Example: Example "Configuring clock settings"...

  • Page 107: Annex

    ® XML settings file R&S SMM-K114 Annex A XML settings file You can use the created *.xml file for OFDM signal analysis. See "Export path for XML settings ..." on page 29. Use the file for measurements with Rohde & Schwarz ®...
  • Page 108 ® XML settings file R&S SMM-K114 <AllocationType>DontCare</AllocationType> </Constellation> <Constellation> <ID>2</ID> <Name>PilotConstellation</Name> <HumanReadableName>PilotConstellation</HumanReadableName> <ScalingFactor>1</ScalingFactor> <AllocationType>PilotConstellation</AllocationType> <IQSymbols> <IQ> <Re>-0.707107</Re> <Im>-0.707107</Im> </IQ> <IQ> <Re>-0.707107</Re> <Im>0.707107</Im> </IQ> <IQ> <Re>0.707107</Re> <Im>-0.707107</Im> </IQ> <IQ> <Re>0.707107</Re> <Im>0.707107</Im> </IQ> </IQSymbols> </Constellation> <Constellation> <ID>3</ID> <Name>QAM64</Name> <HumanReadableName>QAM64</HumanReadableName> <ScalingFactor>1</ScalingFactor> <AllocationType>DataConstellation</AllocationType> <IQSymbols> <IQ>...
  • Page 109 ® XML settings file R&S SMM-K114 <AllocationType>PilotConstellation</AllocationType> <IQSymbols> <IQ> <Re>-1.000000</Re> <Im>0.000000</Im> </IQ> <IQ> <Re>1.000000</Re> <Im>0.000000</Im> </IQ> </IQSymbols> </Constellation> </Constellations> <Allocation> <Matrix>AQEBAQECAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC AgICAgICAgEBAQEBAQEBAQEBAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIC AgICAgICAgICAgIBAQEBAQEBAQEBAQMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMD AwMDAwMDAwMDAwMDAwMDAQEBAQEBAQEBAQEDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMD AwMDAwMDAwMDAwMDAwMDAwMDAwEBAQEBAQEBAQEBAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMD AwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMBAQEBAQEBAQEBAQMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMD AwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAQEBAQEBAQEBAQEDAwMDAwMDAwMDAwMDAwMDAwMDAwMD AwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwEBAQEBAQEBAQEBAwMDAwMDAwMDAwMDAwMDAwMD AwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMBAQEBAQEBAQEBAQQEBAQEBAQEBAQEBAQE BAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEAQEBAQEBAQEBAQEEBAQEBAQEBAQE BAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAEBAQEBAQ==</Matrix> </Allocation> <PilotInformation> <PilotSymbolIdxArray>AQADAAMAAwADAAMAAwADAAEAAwADAAMAAwACAAIAAQABAAMAAwABAAM AAQABAAMAAAACAAAAAQAAAAIAAgABAAEAAwABAAIAAAABAAEAAgAAAAIAAAADAAMAAAABAAAAAAADAAE AAQACAAAAAwAAAAAAAAAAAAEAAgACAAAAAwADAAAAAAABAAIAAwABAAEAAAAAAAAAAwACAAEAAQACAAI AAQADAAAAAQABAAEAAAABAAMAAgACAAMAAQABAAIAAwACAAAAAgAAAAEAAgABAAMAAAAAAAEAAQABAAE AAQABAAEAAQABAAEAAQABAAEAAQABAAAAAQABAAEAAQABAAEAAQABAAEAAQAAAAEAAAAAAAEAAAABAAE AAQABAAEAAAABAAEAAQAAAAEAAAABAAEAAQAAAAAAAQAAAAAAAAAAAAEAAAAAAAEAAAABAAAAAAABAAA AAQABAAEAAAABAAEAAAAAAAAAAAABAAAAAQABAAAAAAAAAAEAAAAAAAAAAQABAAEAAQAAAAAAAAABAAA AAAAAAAAAAQABAAAAAQAAAAEAAQAAAA==</PilotSymbolIdxArray>...

  • Page 110: Glossary: Terms And Abbreviations

    ® Glossary: Terms and abbreviations R&S SMM-K114 Glossary: Terms and abbreviations ARB: Arbitrary waveform generator CoMP: Coordinated multipoint f-OFDM: Filtered OFDM Synonyms: SF-OFDM, UF-OFDM, RB-F-OFDM FBMC: Filter-Bank multicarrier FFT: Fast Fourier transform GFDM: Generalized frequency division multiplexing IFFT: Inverse NOMA: Non-orthogonal multiple access OFDM: Orthogonal frequency division multiplexing OQAM: Offset QAM: Quadrature amplitude modulation...
  • Page 111 ® Glossary: Terms and abbreviations R&S SMM-K114 Subband (UFMC): In the context of the UFMC modulation, the term subband describes the smallest amount of resources that can be allocated to a user. Synonyms: Resource block, Subcarrier Subcarrier (UFMC): Subband (UFMC) UF-OFDM: Universal filtered OFDM, see UFMC.

  • Page 112: Glossary: Specifications, References And Further Information

    ® Glossary: Specifications, references and further information R&S SMM-K114 Glossary: Specifications, references and further information Symbols [1]: Michailow, N.; Gaspar, I.; Krone, S.; Lentmaier, M.; Fettweis, G. "Generalized Frequency Division Multiplexing: Analysis of an Alternative Multi-Carrier Technique for Next Generation Cellular Systems", Aug. 2012 [2]: Schaich, F.;...

  • Page 113: List Of Commands

    ® List of commands R&S SMM-K114 List of commands [:SOURce<hw>]:BB:OFDM:ACPLength......................73 [:SOURce<hw>]:BB:OFDM:ACPSymbols....................... 73 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CIQFile................... 90 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CONFlict?..................91 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CONPoint<st0>:IMAG..............96 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CONPoint<st0>:MAGN..............97 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CONPoint<st0>:PHASe..............97 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CONPoint<st0>:REAL..............97 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:CONTent..................90 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:DATA....................89 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:LIST....................89 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:MODulation..................87 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:MOOR.................... 87 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:PATTern..................89 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:PHYSbits?..................89 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:PWR....................90 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:CODebook?................ 92 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:LAYer<st0>:PWR?.............. 92 [:SOURce<hw>]:BB:OFDM:ALLoc<ch0>:SCMA:LAYer<st0>:STATe..............
  • Page 114 ® List of commands R&S SMM-K114 [:SOURce<hw>]:BB:OFDM:FILTer:TYPE......................78 [:SOURce<hw>]:BB:OFDM:FILTer:UCATalog?....................80 [:SOURce<hw>]:BB:OFDM:FILTer:ULENgth?....................80 [:SOURce<hw>]:BB:OFDM:FILTer:USELection....................80 [:SOURce<hw>]:BB:OFDM:FILTer:WINDowing....................79 [:SOURce<hw>]:BB:OFDM:FOFDm:NSUBand....................81 [:SOURce<hw>]:BB:OFDM:GFDM:DBSYmbols....................81 [:SOURce<hw>]:BB:OFDM:LGUard?......................76 [:SOURce<hw>]:BB:OFDM:MODPreset......................70 [:SOURce<hw>]:BB:OFDM:MODulation......................69 [:SOURce<hw>]:BB:OFDM:NALLoc........................86 [:SOURce<hw>]:BB:OFDM:NOCCupied......................72 [:SOURce<hw>]:BB:OFDM:NSUBcarriers.......................71 [:SOURce<hw>]:BB:OFDM:OFFSet........................ 75 [:SOURce<hw>]:BB:OFDM:OUTPath......................70 [:SOURce<hw>]:BB:OFDM:PRESet........................68 [:SOURce<hw>]:BB:OFDM:RGUard?......................77 [:SOURce<hw>]:BB:OFDM:RSAMples......................75 [:SOURce<hw>]:BB:OFDM:SAMPling?......................76 [:SOURce<hw>]:BB:OFDM:SCSPace......................72 [:SOURce<hw>]:BB:OFDM:SEQLength......................72 [:SOURce<hw>]:BB:OFDM:SETTing:CATalog....................68 [:SOURce<hw>]:BB:OFDM:SETTing:DEL.......................69 [:SOURce<hw>]:BB:OFDM:SETTing:LOAD....................68 [:SOURce<hw>]:BB:OFDM:SETTing:STORe....................68 [:SOURce<hw>]:BB:OFDM:SRATe:VARiation....................70 [:SOURce<hw>]:BB:OFDM:STATe........................
  • Page 115 ® List of commands R&S SMM-K114 [:SOURce<hw>]:BB:OFDM:USER<ch0>:LIST....................82 [:SOURce<hw>]:BB:OFDM:USER<ch0>:PATTern..................82 [:SOURce<hw>]:BB:OFDM:USER<ch0>:PWR....................83 [:SOURce<hw>]:BB:OFDM:WAVeform:CREate....................69 [:SOURce<hw>]:BB:OFDM:ZSAMples......................75 [:SOURce<hw>]:BB:OFDM[:TRIGger]:SEQuence..................99 User Manual 1179.1958.02 ─ 09...

  • Page 116: Index

    ® Index R&S SMM-K114 Index Symbols Dynamic ..............34 Enable ................. 32 *.dat file Enable CP pattern ............34 Filter ................19 Length ................. 32 I/Q data ............... 24 Cyclic suffix length .............35 *.iqw file ................24 Data block size ..............42 Allocation Data sheets .................
  • Page 117 ® Index R&S SMM-K114 Root raised cosine filter See Root cosine ............38 I/Q files RRC filter *.dat file ............... 24 See Root cosine filter ..........38 *.iqw file ..............24 Installation ................7 Instrument help ..............8 Safety instructions ............... 9 Instrument security procedures ...........
  • Page 118 ® Index R&S SMM-K114 Time-based trigger Date ................59 State ................59 Time ................59 Trigger Synchronize output ............. 60 Trigger delay ..............62 Actual ................62 Expressed in time ............61 Resulting ..............62 Unit ................61 Trigger mode ..............58 Trigger signal duration ............59 Trigger source ..............

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