Rohde & Schwarz R&S CMW-KN200 User Manual
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Rohde & Schwarz R&S CMW-KN200 User Manual

Rohde & Schwarz R&S CMW-KN200 User Manual

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R&S
CMW-KN200
GSM BS Measurements
User Manual
(;ÛÄÆ2)
1177.5456.02 ─ 02

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Summary of Contents for Rohde & Schwarz R&S CMW-KN200

  • Page 1 ® R&S CMW-KN200 GSM BS Measurements User Manual (;ÛÄÆ2) 1177.5456.02 ─ 02...
  • Page 2 ® This user manual describes the R&S CMW option ® R&S CMW-KN200 (GSM GPRS EDGE R6, BS TX measurement, downlink) © 2015 Rohde & Schwarz GmbH & Co. KG Mühldorfstr. 15, 81671 München, Germany Phone: +49 89 41 29 - 0 Fax: +49 89 41 29 12 164 Email: info@rohde-schwarz.com...

  • Page 3: Table Of Contents

    ® Contents R&S CMW-KN200 Contents 1 Preface....................7 R&S CMW Models......................7 How to Read Firmware Application Chapters............7 1.2.1 General Description......................8 1.2.2 Application Sheets......................8 1.2.3 GUI Reference........................ 8 1.2.4 Programming Examples....................8 1.2.5 Command Reference...................... 9 2 What's New in this Revision..............10 3 General Description................
  • Page 4 ® Contents R&S CMW-KN200 3.6.6 Selecting and Modifying Views..................31 3.6.7 Using Markers....................... 32 3.6.8 Common View Elements....................32 4 GUI Reference..................34 Measurement Control....................34 Parameters and Settings.................... 34 4.2.1 Signal Routing and Analyzer Settings................35 4.2.2 Common Measurement Control Settings..............37 4.2.3 Modulation View Settings....................40 4.2.4...
  • Page 5 ® Contents R&S CMW-KN200 6.1.2 FETCh, READ and CALCulate Commands..............68 6.1.3 Current and Statistical Results..................69 6.1.4 Values for RF Path Selection..................69 6.1.5 Keywords........................69 6.1.6 Reliability Indicator......................70 General Measurement Settings................. 72 6.2.1 Signal Routing.......................72 6.2.2 Analyzer Settings......................74 Multi Evaluation Measurement Commands..............77 6.3.1 Measurement Control and States.................
  • Page 6 ® Contents R&S CMW-KN200 6.3.25 Spectrum Switching Results..................135 6.3.26 I/Q Constellation Results (Traces)................137 List of Commands................138 Index....................142 User Manual 1177.5456.02 ─ 02...

  • Page 7: Preface

    ® Preface R&S CMW-KN200 How to Read Firmware Application Chapters 1 Preface The operation of the R&S CMW is described in several user manuals: ● The R&S CMW user manual describes the base software, common features of the firmware applications and basic principles for manual operation and remote control. There is a separate manual version for each R&S CMW model.

  • Page 8: General Description

    ® Preface R&S CMW-KN200 How to Read Firmware Application Chapters 1.2.1 General Description This section provides a general description of the firmware application, independent of a specific operation mode (manual or remote control). It gives a high-level introduction to the capabilities of the firmware application. Background information related to the network standard is given as far as it is directly related to administrable parameters.

  • Page 9: Command Reference

    ® Preface R&S CMW-KN200 How to Read Firmware Application Chapters 1.2.5 Command Reference The command reference provides information on the remote commands of the firm- ware application. The commands are grouped according to their function. Each command description indicates the syntax of the command header and of the parameters.

  • Page 10: What's New In This Revision

    ® What's New in this Revision R&S CMW-KN200 2 What's New in this Revision This document describes version 3.5.11 and later of the "GSM BS Measurements". Compared to the initial software version 3.5.10, there are only editorial changes. User Manual 1177.5456.02 ─ 02...

  • Page 11: General Description

    ® General Description R&S CMW-KN200 GSM TX Tests 3 General Description The GSM base station measurements provide quick and flexible TX tests on GSM downlink signals. The tests cover the following BS transmitter properties: ● Transmitter output power over a wide range of timeslots ●...

  • Page 12: Defining The Scope Of The Measurement

    ® General Description R&S CMW-KN200 GSM TX Tests ● The "Expected Nominal Power" and (optional) a "User Margin" and "External Attenuation". Recommended values: "Expected Nominal Power" = average power of the BS sig- nal; "User Margin" = + 5 dB (for 8-PSK-modulated bursts) and +7.5 dB (for 16- QAM-modulated bursts).
  • Page 13 ® General Description R&S CMW-KN200 GSM TX Tests Gap Trigger In the gap trigger mode the R&S CMW searches for a gap in the sequence of active slots. A gap is a series of 1 to 3 inactive slots. The trigger event is generated at the beginning of the first slot after the gap and is repeated periodically.

  • Page 14: Configuring The Spectrum Measurement

    ® General Description R&S CMW-KN200 GSM DL Signal Properties 4. Start the GSM BS Multi Evaluation measurement and observe the triggered frames in the "Power vs. Time" diagram. 3.1.5 Configuring the Spectrum Measurement The spectrum measurements are performed in the "Measurement Slot". Compared to the power vs.

  • Page 15: Gsm Frequency Bands And Channels

    ® General Description R&S CMW-KN200 GSM Frequency Bands and Channels Parameter Value Symbol duration 3.69 μs (--> 156.25 symbols per timeslot) Modulation schemes GMSK (1 bit per symbol) 8-PSK (3 bits per symbol) 16QAM (4 bits per symbol) 8-PSK channels (the so-called EDGE channels) and 16-QAM channels are used for data transmission;...

  • Page 16: Burst Types

    ® General Description R&S CMW-KN200 Burst Types Band Channel Numbers Center Frequencies F Center Frequencies F in MHz GSM900 (P-GSM900) 0 to 124 935.0 to 959.8 890.0 to 914.8 (R-GSM900) 940 to 974 918.2 to 925.0 873.2 to 880.0 (E-GSM900) 975 to 1023 925.2 to 934.8 880.2 to 889.8...

  • Page 17: Limit Settings And Conformance Requirements

    ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements order modulation scheme, the bit content of all fields is tripled. The "stealing flag" bits are not present. All tail bits are set to 1. The length of the guard period is 24.75 bits. 16-QAM-modulated normal burst To further increase the data rate, EDGE Evolution introduces 16-QAM-modulated nor- mal bursts;...

  • Page 18: Avg. Burst Power Limits

    ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements burst, shall not exceed 5 deg. The peak phase error shall not exceed 20 deg. At each channel and BTS output power, the measurement shall be repeated with a statistic count ≥...
  • Page 19 ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements Table 3-2: Normal BTS power classes except multicarrier Maximum output power for GSM 400, GSM Maximum output power for DCS 1800, PCS power 900, ER-GSM 900, GSM 850, MXM 850, GSM 1900, MXM 1900 class 320 ≦...

  • Page 20: Power Templates

    ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements In addition, the actual absolute output power at each static RF power step (N) shall be 2*N dB below the absolute output power at static RF power step 0. The static RF power step 0 shall be the actual output power according to the TRX power class.
  • Page 21 ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements defined relative to the average burst power. Power templates and average burst power limits complement each other. The power templates depend on the modulation scheme of the burst; they can be set in the configuration dialog (for reference information refer to Power Templates).
  • Page 22 ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements = upper area 1 (useful part) F1 to F3 = upper area 1 to 3 (falling edge) = no 3GPP requirement below –30 dBc Figure 3-2: Power / time mask at 8-PSK modulation R1 to R4 = upper area 1 to 4 (rising edge) U1 to U3 = upper area 1 to 3 (useful part, 147 symbols) L1 to L5 = lower area 1 to 5 (useful part, 147 symbols)

  • Page 23: Spectrum Limits

    ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements Figure 3-3: Time mask of a multislot configuration 1 = guard period 925 symbols 2 = multislot guard level 3.5.4 Spectrum Limits The energy that spills outside the designated radio channel increases the interference with adjacent channels and decreases the system capacity.
  • Page 24 ® General Description R&S CMW-KN200 Limit Settings and Conformance Requirements Table 3-6: Tolerances for spectrum due to modulation Frequency offset in MHz Relative power at a BTS output power in dBc ≤ 33 dBm ≥ 43 dBm –30 –30 0.25 –33 –33 0.4 (GMSK)

  • Page 25: Measurement Results

    ® General Description R&S CMW-KN200 Measurement Results Table 3-7: Tolerances for spectrum due to switching Frequency offset in MHz Maximum power relative to carrier in dBc GSM 400/850/900 GSM 1800 /1900 -57 (GMSK) -52 (8-PSK) -67 (GMSK) -62 (8-PSK) The absolute minimum limit is -36 dBm for all frequencies and GSM bands. 3.6 Measurement Results The results of the GSM BS multi evaluation measurement are displayed in several dif- ferent views.

  • Page 26: Detailed Views: Evm, Magnitude Error, Phase Error And Spectrum

    ® General Description R&S CMW-KN200 Measurement Results Figure 3-5: GSM BS multi evaluation: overview You can limit the results to be measured and displayed in the overview using the hot- key Multi Evaluation > Assign Views. You can enlarge each of the diagrams in the overview in order to obtain a detailed view with additional measurement results, see Selecting and Modifying Views.
  • Page 27 ® General Description R&S CMW-KN200 Measurement Results Figure 3-6: GSM BS multi evaluation: EVM The diagrams contain the following results: ● Error Vector Magnitude, Magnitude Error and Phase Error The modulation diagrams cover a time interval of 1 timeslot (the "Measurement Slot").

  • Page 28: Detailed Views: Power Vs Time

    ® General Description R&S CMW-KN200 Measurement Results 3.6.3 Detailed Views: Power vs Time The power vs. time results are displayed in one or more diagrams and as a table of statistical results. Figure 3-7: GSM BS multi evaluation: power vs. time The upper diagram covers a time interval of up to 8 timeslots (1 complete TDMA frame, corresponding to 1260 symbol periods or 4.615 ms).

  • Page 29: Detailed Views: Iq Constellation Diagram

    ® General Description R&S CMW-KN200 Measurement Results The table below the diagrams provides statistical results for the measured slots: ● Burst Power: average burst power, evaluated over the useful part of the burst (see 3GPP TS 51.021) ● TSC: detected burst type (normal burst NB, access burst AB, inactive slot OFF, dummy burst) and for access bursts and normal bursts also the detected Training Sequence Code (TSC) ●...

  • Page 30: Tx Measurement Scalar

    ® General Description R&S CMW-KN200 Measurement Results See also: "I/Q Constellation Diagram" in the R&S CMW user manual, chapter "System Overview" For additional screen elements refer to Common View Elements. 3.6.5 TX Measurement Scalar The "TX Measurement Scalar" dialog contains tables of statistical results for the TX measurements.

  • Page 31: Selecting And Modifying Views

    ® General Description R&S CMW-KN200 Measurement Results – Timing Error: difference between the actual timing of the slot and the expec- ted timing. The actual timing is given by the training sequence. The expected timing is derived from the detected frame timing, therefore the "Timing Error" measurement requires an internal trigger (Trigger Source = "Power"...

  • Page 32: Using Markers

    ® General Description R&S CMW-KN200 Measurement Results 3.6.7 Using Markers Use the "Marker" parameters to activate markers and to modify their position. The fol- lowing "Marker" hotkeys are available: Hotkey Description "Ref. Marker ..." Enable or disable the reference marker, select a trace and the marker position on that trace "Marker 1 /2 ..."...
  • Page 33 ® General Description R&S CMW-KN200 Measurement Results Count". A filled progress bar indicates that the first shot is complete and the statistical depth has been reached. See also: "Statistical Settings" in the R&S CMW user manual, chapter "System Over- view" Out of Tolerance Percentage of measurement intervals / bursts that were failed because they exceeded the limits in the diagram.

  • Page 34: Gui Reference

    ® GUI Reference R&S CMW-KN200 Parameters and Settings 4 GUI Reference The following sections provide detailed reference information on the Graphical User Interface (GUI) and the parameters of the GSM BS multi evaluation measurement. ● Measurement Control....................34 ● Parameters and Settings..................34 ●...

  • Page 35: Signal Routing And Analyzer Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings All settings are defined via softkeys and hotkeys or using the "GSM BS Multi Evalua- tion Configuration" dialog. The configuration dialog is described in the following sec- tions. ● Signal Routing and Analyzer Settings..............35 ●...

  • Page 36: Rf Routing

    ® GUI Reference R&S CMW-KN200 Parameters and Settings RF Routing Selects the input path for the measured RF signal, i.e. the input connector and the RX module to be used. Depending on your hardware configuration there may be dependencies between both parameters.

  • Page 37: Common Measurement Control Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:RFSettings:FOFFset Expected Nominal Power Sets the analyzer in accordance with the nominal power of the RF signal to be mea- sured. The nominal power is the average output power at the DUT during the measure- ment intervals where the RF transmitter is on.
  • Page 38 ® GUI Reference R&S CMW-KN200 Parameters and Settings See also: "Statistical Settings" in the R&S CMW user manual, chapter "System Over- view" Figure 4-2: Measurement control settings Assign Views.........................38 Repetition........................38 Stop Condition.......................39 Measure on Exception....................39 Measurement Slot Settings................... 39 Access Burst Search.....................40 Training...
  • Page 39 ® GUI Reference R&S CMW-KN200 Parameters and Settings Single-shot is preferable if only a single measurement result is required under fixed conditions, which is typical for remote-controlled measurements. Continuous mode is suitable for monitoring the evolution of the measurement results in time and observe how they depend on the measurement configuration, which is typically done in manual control.

  • Page 40: Modulation View Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:MSLots Access Burst Search Enables or disables the search for GMSK-modulated access bursts. With enabled access burst search, the R&S CMW can measure normal and access bursts in one multislot range. The detection of access bursts is based on the three training sequences for access bursts specified in the GSM standard.
  • Page 41 ® GUI Reference R&S CMW-KN200 Parameters and Settings Figure 4-3: Modulation view settings Modulation View The modulation view settings act as a filter for the triggered GSM frames: To obtain a valid measurement result, the actual modulation scheme and burst type in all mea- sured slots must be compatible with the "Modulation View"...

  • Page 42: Power Vs. Time Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:MVIew 4.2.4 Power vs. Time Settings The following parameters configure the power vs. time settings of the GSM BS multi evaluation measurement. They are contained in section "Measurement Control". Figure 4-4: Power vs. time settings Statistic Count.......................
  • Page 43 ® GUI Reference R&S CMW-KN200 Parameters and Settings ted bit patterns (e.g. an all zero sequence) result in a systematic deviation between the "Average" and the "Data Compensated" powers. Use this mode for measurements on bursts containing random data. ● Data Compensated: The current power is calculated as the long-term average for random data;...

  • Page 44: Modulation Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings In the two-shot measurement the multislot range is measured in two frames using two different "Expected Nominal Power" settings. The results of the two stages are com- bined and displayed together in the "Power vs. Time" diagram. The two maximum levels differ by 30 dB, which means that –...

  • Page 45: Spectrum Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:SCOunt:MODulation Decode Defines whether or not guard and tail bits are decoded (for GMSK modulation only). ● Standard: Guard and tail bits are assumed to be in line with GSM. If the base sta- tion does actually not send these bits correctly, large phase errors will be mea- sured at the beginning and end of the useful information.
  • Page 46 ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:SCOunt:SMODulation CONFigure:GSM:MEAS<i>:BS:MEValuation:SCOunt:SSWitching Frequency Offsets Enables the spectrum measurement at up to 11 offsets (up to 4 for spectrum switching) from the analyzer frequency (to be set to the nominal carrier frequency of the mea- sured downlink GSM signal).

  • Page 47: Trigger Settings

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:SSWitching:PHMode 4.2.7 Trigger Settings The "Trigger" parameters configure the trigger system for the GSM BS multi evaluation measurement. Figure 4-7: Trigger settings Trigger Source......................47 Trigger Slope.........................48 Trigger Threshold......................48 Trigger Timeout......................48 Minimum Trigger Gap....................

  • Page 48: Trigger Slope

    ® GUI Reference R&S CMW-KN200 Parameters and Settings The measurement is triggered by the power ramp of the received signal. The trig- ger event coincides with the rising or falling edge of the detected GSM burst. Use this trigger source for single-slot measurements and for unique events such as the access burst transmitted during the connection setup.

  • Page 49: Minimum Trigger Gap

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: TRIGger:GSM:MEAS<i>:BS:MEValuation:TOUT Minimum Trigger Gap Defines a minimum duration of the power-down periods (gaps) between two triggered power pulses. This setting is valid for an "(IF) Power" trigger source. The trigger system is controlled by means of a timer which is reset to zero in the follow- ing instances: ●...

  • Page 50: Limits

    ® GUI Reference R&S CMW-KN200 Parameters and Settings Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:AMODe Gap Length ← Acquisition Number of consecutive inactive slots preceding the frame boundary (and therefore the acquisition trigger event). Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:GLENgth Pattern ← Acquisition Burst pattern in the downlink frame. Each of the 8 timeslots can be inactive ("OFF") or carry a GMSK-modulated or 8-PSK/16-QAM-modulated burst.
  • Page 51 ® GUI Reference R&S CMW-KN200 Parameters and Settings Modulation Upper limits for the measured quantities which characterize the modulation accuracy. Three different limits are provided for the EVM, magnitude error and phase error: ● EVM RMS: Upper limit for the EVM, RMS-averaged over the burst ●...
  • Page 52 ® GUI Reference R&S CMW-KN200 Parameters and Settings Both upper limit lines and lower limit lines consist of several areas. In each of these areas, it is possible to specify a relative limit (in dBc units) and an alternative absolute limit.

  • Page 53: Display Configuration

    ® GUI Reference R&S CMW-KN200 Parameters and Settings 4.2.9 Display Configuration The "Display" parameters select the diagram type to be displayed ("Active View"). Figure 4-9: Display settings Use the hotkeys associated with the "Display" softkey to enable and scale the dia- grams and select the trace types to be displayed.
  • Page 54 ® GUI Reference R&S CMW-KN200 Parameters and Settings ARB/List Mode, GPRF<i> Generator................54 Multi Evaluation > Rotation................... 54 Multi Evaluation > I/Q Filter................... 55 ARB/List Mode, GPRF<i> Generator Select this softkeys to vary GPRF generator signals during non signaling tests. Use the appropriate softkey/hotkey combination to access the generator parameters directly from the GSM BS measurement GUI.
  • Page 55 ® GUI Reference R&S CMW-KN200 Parameters and Settings "Not The phase-rotated constellation points are displayed; the constella- Removed" tion diagram contains 16 symbol point locations. Remote command: CONFigure:GSM:MEAS<i>:BS:MEValuation:ROTation:IQ Multi Evaluation > I/Q Filter Specifies whether the I/Q data is filtered in order to eliminate the inter-symbol interfer- ence (ISI) at all constellation points and selects the diagram type.

  • Page 56: Measurement Results

    ® GUI Reference R&S CMW-KN200 Measurement Results "Unfiltered" No I/Q filter applied. The diagram shows the trajectory of the modula- tion vector. Due to the effect of the 3π/8 rotation, the trajectory remains outside a circle around the origin. "90 kHz" 90 kHz filter applied.
  • Page 57 ® GUI Reference R&S CMW-KN200 Measurement Results See also: "Limit Check" in the R&S CMW user manual, chapter "System Overview" The overview dialog displays the power vs. time, modulation and spectrum results as traces or histograms. Figure 4-11: Result overview Each of the detailed views shows a diagram and a statistical overview of single-slot results.
  • Page 58 ® GUI Reference R&S CMW-KN200 Measurement Results Figure 4-12: Detailed view for EVM results Traces and Histograms To retrieve the values in the traces and histograms, use commands of the following type. Remote command: etc. FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:PVTime:CURRent? etc. FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:CURRent? etc. FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:MERRor:CURRent? etc.
  • Page 59 ® GUI Reference R&S CMW-KN200 Measurement Results FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:TSC? etc. FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:CURRent? etc. FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:PERCentile? FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:DBITs? FETCh:GSM:MEAS<i>:BS:MEValuation:MVTHroughput? etc. FETCh:GSM:MEAS<i>:BS:MEValuation:SMODulation? etc. FETCh:GSM:MEAS<i>:BS:MEValuation:SSWitching? User Manual 1177.5456.02 ─ 02...

  • Page 60: Programming

    ® Programming R&S CMW-KN200 General Examples 5 Programming The following sections provide programming examples for the GSM BS multi evalua- tion measurement. The examples have been tested with the aid of a simple software tool. See also: "Remote Control" in the R&S CMW user manual ●...

  • Page 61: Specifying Measurement-Specific Settings

    ® Programming R&S CMW-KN200 General Examples // ************************************************************************* ROUTe:GSM:MEAS:BS:SCENario? ROUTe:GSM:MEAS:BS? ROUTe:GSM:MEAS:BS:SCENario:SALone RF1C, RX1 CONFigure:GSM:MEAS:BS:RFSettings:EATTenuation 2 CONFigure:GSM:MEAS:BS:RFSettings:ENPower 20 CONFigure:GSM:MEAS:BS:RFSettings:UMARgin 5 CONFigure:GSM:MEAS:BS:RFSettings:FREQuency 890.2E+6 CONFigure:GSM:MEAS:BS:RFSettings:FOFFset 1000 // ************************************************************************* // Redefine the frequency entering frequency band and channel number. // ************************************************************************* CONFigure:GSM:MEAS:BS:BAND G04 CONFigure:GSM:MEAS:BS:CHANnel 300 5.1.2 Specifying Measurement-Specific Settings // ************************************************************************* // Select a 1.5 s timeout for the measurement.

  • Page 62: Specifying Limits

    ® Programming R&S CMW-KN200 General Examples // of two slots between two consecutive trigger events // ************************************************************************* TRIGger:GSM:MEAS:BS:MEValuation:CATalog:SOURce? TRIGger:GSM:MEAS:BS:MEValuation:SOURce "POWer" TRIGger:GSM:MEAS:BS:MEValuation:SLOPe REDGe TRIGger:GSM:MEAS:BS:MEValuation:THReshold -2.5E+1 TRIGger:GSM:MEAS:BS:MEValuation:TOUT 1.0E+3 CONFigure:GSM:MEAS:BS:MEValuation:MSLots 0, 1, 0 TRIGger:GSM:MEAS:BS:MEValuation:MGAP 2 5.1.4 Specifying Limits // ***************************************************************************** // Define all modulation limits for GMSK and 8-PSK modulated burst // ***************************************************************************** CONFigure:GSM:MEAS:BS:MEV:LIMit:GMSK:EVMagnitude 9,35,15,ON,ON,ON,ON,ON,ON,ON CONFigure:GSM:MEAS:BS:MEV:LIMit:GMSK:MERRor 10,40,15,ON,ON,ON,ON,ON,ON,ON...
  • Page 63 ® Programming R&S CMW-KN200 General Examples CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:UPP:FEDGe3:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:UPP:FEDGe4:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:UPP:FEDGe5:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:LOW:UPARt:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:LOW:UPARt2:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:LOW:UPARt3:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:LOW:UPARt4:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:LOW:UPARt5:STATic -10,-7,-59,-59,-36,-36,ON CONF:GSM:MEAS:BS:MEV:LIM:GMSK:PVT:LOW:UPARt6:STATic -10,-7,-59,-59,-36,-36,ON // ***************************************************************************** // Define all spectrum modulation limits for GMSK modulation // ***************************************************************************** CONF:GSM:MEAS:BS:MEV:LIMit:GMSK:SMOD:RPOWer 30,40 CONF:GSM:MEAS:BS:MEV:LIMit:GMSK:SMOD:MPOint -40,30,20,ON CONF:GSM:MEAS:BS:MEV:LIMit:GMSK:SMOD:MPOint2 -40,30,20,ON CONF:GSM:MEAS:BS:MEV:LIMit:GMSK:SMOD:MPOint3 -40,30,20,ON CONF:GSM:MEAS:BS:MEV:LIMit:GMSK:SMOD:MPOint4 -40,30,20,ON...

  • Page 64: Performing Single-Shot Measurements

    ® Programming R&S CMW-KN200 General Examples -27,-25,-23,-21,ON CONF:GSM:MEAS:BS:MEV:LIMit:GMSK:SSW:MPOint11 -39,-37,-35,-33,-31,-29, -27,-25,-23,-21,ON 5.1.5 Performing Single-Shot Measurements // ************************************************************************* // Power vs. time and modulation configuration: change reference power mode // for 8-PSK-modulated bursts, select a wider IF filter, decode guard and // tail bits. Enable the evaluation of the scalar modulation results. // Start a single-shot power vs.

  • Page 65: Configuring A Spectrum Measurement

    ® Programming R&S CMW-KN200 General Examples // Query measurement state and substates (should be "RUN,ADJ,ACT"). // ************************************************************************* CONFigure:GSM:MEAS:BS:MEValuation:REPetition CONTinuous INIT:GSM:MEAS:BS:MEValuation Pause 5000 FETCh:GSM:MEAS:BS:MEValuation:MODulation:CURRent? FETCh:GSM:MEAS:BS:MEValuation:MODulation:AVERage? FETCh:GSM:MEAS:BS:MEValuation:MODulation:SDEViation? FETCh:GSM:MEAS:BS:MEValuation:MODulation:PERCentile? FETCh:GSM:MEAS:BS:MEValuation:MODulation:DBITs? FETCh:GSM:MEAS:BS:MEValuation:PVTime? FETCh:GSM:MEAS:BS:MEValuation:PVTime:TSC? CALCulate:GSM:MEAS:BS:MEValuation:MODulation:CURRent? FETCh:GSM:MEAS:BS:MEValuation:STATe:ALL? 5.1.7 Configuring a Spectrum Measurement // ************************************************************************* // Spectrum modulation configuration: Define and enable five frequency // offsets, define evaluation areas // ************************************************************************* CONF:GSM:MEAS:BS:MEV:SMODulation:OFRequence 0.1e+6,0.2e+6,0.25e+6,0.4e+6,...

  • Page 66: Selecting Specific Burst Types

    ® Programming R&S CMW-KN200 I/Q Constellation Diagram CONFigure:GSM:MEAS:BS:MEValuation:RESult:ALL? CONFigure:GSM:MEAS:BS:MEValuation:SMODulation:TDFSelect 11 CONFigure:GSM:MEAS:BS:MEValuation:SSWitching:TDFSelect 6 FETCh:GSM:MEAS:BS:MEValuation:TRACe:SMODulation:TIME? FETCh:GSM:MEAS:BS:MEValuation:TRACe:SSWitching:TIME? 5.1.8 Selecting Specific Burst Types // ************************************************************************* // Select only GMSK-modulated normal bursts with a definite // training sequence (TSC 1) and VAMOS TSC set 1. Start a single-shot // modulation measurement and return the statistical results // ************************************************************************* CONFigure:GSM:MEAS:BS:MEValuation:TSEQuence TSC1...
  • Page 67 ® Programming R&S CMW-KN200 I/Q Constellation Diagram CONFigure:GSM:MEAS:BS:MEValuation:SCOunt:MODulation 1 CONFigure:GSM:MEAS:BS:MEValuation:FILTer:IQ ISIRemoved CONFigure:GSM:MEAS:BS:MEValuation:ROTation:IQ P38R // ************************************************************************* // Start single-shot measurement. Return IQ constellation results. // Query the measurement state (should be "RDY"). // ************************************************************************* INIT:GSM:MEAS:BS:MEValuation FETCh:GSM:MEAS:BS:MEValuation:TRACe:IQ? FETCh:GSM:MEAS:BS:MEValuation:STATe? User Manual 1177.5456.02 ─ 02...

  • Page 68: Command Reference

    ® Command Reference R&S CMW-KN200 Conventions and General Information 6 Command Reference The following sections provide detailed reference information on the remote con- trol commands of the "GSM BS measurements" application. ● Conventions and General Information..............68 ● General Measurement Settings................

  • Page 69: Current And Statistical Results

    ® Command Reference R&S CMW-KN200 Conventions and General Information 6.1.3 Current and Statistical Results The R&S CMW repeats measurements according to the selected statistic count and repetition mode. Consecutive measurement values are stored and used to calculate statistical results, e.g. average, minimum, maximum and standard deviation. See also: "Statistical Results"...

  • Page 70: Reliability Indicator

    ® Command Reference R&S CMW-KN200 Conventions and General Information – "Parameters" are sent with a setting or query command and are returned as the result of a query – "Setting parameters" are only sent with a setting command – "Query parameters" are only sent with a query command (to refine the query) –...
  • Page 71 ® Command Reference R&S CMW-KN200 Conventions and General Information The measurement could not be started because the configured RF input path was not active. This problem may occur e.g. when a measurement is started in com- bined signal path mode and the master application has not yet activated the input path.

  • Page 72: General Measurement Settings

    ® Command Reference R&S CMW-KN200 General Measurement Settings The repetition mode equals "Single Shot" and the playback length is greater than 40 s. Please reduce the playback length or set the repetition mode to "Continuous". <Length> = (<Cycles> * <Samples> + <Additional Samples>) / <Clock Rate> ●...
  • Page 73 ® Command Reference R&S CMW-KN200 General Measurement Settings ..............73 ROUTe:GSM:MEAS<i>:BS:SCENario:SALone ........... 73 CONFigure:GSM:MEAS<i>:BS:RFSettings:EATTenuation ................73 ROUTe:GSM:MEAS<i>:BS:SCENario? ..................... 74 ROUTe:GSM:MEAS<i>:BS? ROUTe:GSM:MEAS<i>:BS:SCENario:SALone <RXConnector>, <RFConverter> Activates the standalone scenario and selects the RF input path for the measured RF signal. For possible connector and converter values, see Chapter 6.1.4, "Values for RF Path Selection", on page 69.

  • Page 74: Analyzer Settings

    ® Command Reference R&S CMW-KN200 General Measurement Settings ROUTe:GSM:MEAS<i>:BS? Returns the configured routing settings. For possible connector and converter values, see Chapter 6.1.4, "Values for RF Path Selection", on page 69. Return values: <Scenario> SALone Standalone (Non Signaling) <Controller> For future use <RXConnector>...
  • Page 75 ® Command Reference R&S CMW-KN200 General Measurement Settings CONFigure:GSM:MEAS<i>:BS:CHANnel <Channel> Selects the channel number. The channel number must be valid for the current fre- quency band, for dependencies see Chapter 3.3, "GSM Frequency Bands and Chan- nels", on page 15. The corresponding center frequency (CONFigure:GSM:MEAS<i>:BS:RFSettings: FREQuency) is calculated and set.
  • Page 76 ® Command Reference R&S CMW-KN200 General Measurement Settings Firmware/Software: V3.5.10 Manual operation: "Frequency Offset" on page 36 CONFigure:GSM:MEAS<i>:BS:RFSettings:ENPower <ExpNomPower> Sets the expected nominal power of the measured RF signal. Parameters: <ExpNomPower> The range of the expected nominal power can be calculated as follows: Range (Expected Nominal Power) = Range (Input Power) + External Attenuation - User Margin...

  • Page 77: Multi Evaluation Measurement Commands

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Manual operation: "Mixer Level Offset" on page 37 6.3 Multi Evaluation Measurement Commands The commands for the GSM BS measurement are divided into the groups listed below. The general measurement settings also affect the measurement, see General Mea- surement Settings.
  • Page 78 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands INITiate:GSM:MEAS<i>:BS:MEValuation STOP:GSM:MEAS<i>:BS:MEValuation ABORt:GSM:MEAS<i>:BS:MEValuation Starts, stops, or aborts the measurement: ● INITiate... starts or restarts the measurement. The measurement enters the "RUN" state. ● STOP... halts the measurement immediately. The measurement enters the "RDY" state.

  • Page 79: Enabling Results And Views

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands FETCh:GSM:MEAS<i>:BS:MEValuation:STATe:ALL? Queries the main measurement state and the measurement substates. Both measure- ment substates are relevant for running measurements only. Use FETCh:...:STATe? to query the main measurement state only. Use INITiate..., STOP..., ABORt...
  • Page 80 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands ............80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:IQ ........80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:SMFRequency ..........80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:SMTime ........80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:SSFRequency ..........80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:SSTime ..........80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:AMPM ..........80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:MSCalar ........... 81 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult[:ALL] CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:PVTime <Enable> CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:EVMagnitude <Enable> CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:MERRor <Enable> CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:PERRor <Enable> CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:IQ <Enable> CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:SMFRequency <Enable>...
  • Page 81 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult[:ALL] <PvT>, <EVM>, <MagnitudeError>, <PhaseError>, <IQ>, <ACPModFrequency>, <ACPModTime>, <ACPSwitFreq>, <ACPSwitTime>, <ModScalar>, <AMPM> Enables or disables the evaluation of results and shows or hides the views in the multi evaluation measurement. This command combines all other CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult...

  • Page 82: Statistical Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <AMPM> OFF | ON AM-PM *RST: Example: Configuring a Spectrum Measurement Firmware/Software: V3.5.10 Manual operation: "Assign Views" on page 38 6.3.3 Statistical Settings The following commands specify the scope of the measurement..............82 CONFigure:GSM:MEAS<i>:BS:MEValuation:TOUT ............
  • Page 83 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:REPetition <Repetition> Specifies the repetition mode of the measurement. The repetition mode specifies whether the measurement is stopped after a single-shot or repeated continuously. Use CONFigure:..:MEAS<i>:...:SCOunt to determine the number of measurement intervals per single shot.
  • Page 84 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <StatisticCount> Number of measurement intervals for the "Modulation" measure- ment Range: 1 to 1000 *RST: Example: Specifying Measurement-Specific Settings Firmware/Software: V3.5.10 Manual operation: "Statistic Count" on page 44 CONFigure:GSM:MEAS<i>:BS:MEValuation:SCOunt:SMODulation <StatisticCount> Specifies the statistic count of the measurement.
  • Page 85 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Manual operation: "Statistic Count" on page 45 CONFigure:GSM:MEAS<i>:BS:MEValuation:SCONdition <StopCondition> Qualifies whether the measurement is stopped after a failed limit check or continued. SLFail means that the measurement is stopped and reaches the RDY state as soon as one of the results exceeds the limits.

  • Page 86: Measurement Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <MeasSlot> Slot to be measured for one-slot measurements Range: 0 to 7 *RST: Example: Specifying Measurement-Specific Settings Firmware/Software: V3.5.10 Manual operation: "Measurement Slot Settings" on page 39 6.3.4 Measurement Settings The following commands provide general measurement settings............86 CONFigure:GSM:MEAS<i>:BS:MEValuation:FCRange ............
  • Page 87 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Manual operation: "Two Shot Assembly Level" on page 43 CONFigure:GSM:MEAS<i>:BS:MEValuation:ABSearch <Enable> Enables or disables the access burst measurement. Parameters: <Enable> OFF | ON ON: enable access burst search OFF: disable access burst search *RST: Example: Specifying Measurement-Specific Settings...

  • Page 88: Power Vs. Time Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Manual operation: "GSM TSC Set (VAMOS)" on page 40 CONFigure:GSM:MEAS<i>:BS:MEValuation:MVIew <Slot>... Defines the expected modulation scheme and burst type in all timeslots and adjusts the power/time template accordingly. Parameters: <Slot> OFF | GMSK | EPSK | Q16 | ACCess | ANY Eight values for timeslot 0 to 7: ANY: any burst type can be analyzed OFF: no signal expected...

  • Page 89: Modulation Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <Filter> G05M | B06M G05M: 500 kHz Gauss filter B06M: 600 kHz band filter *RST: G05M Example: Performing Single-Shot Measurements Firmware/Software: V3.5.10 Manual operation: "PvT Filter" on page 43 6.3.6 Modulation Settings The following command configures the "Modulation"...
  • Page 90 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <FrequencyOffset> Frequency offset 1 to 11 Range: 0 MHz to 3 MHz *RST: Offset 1 to 11 in MHz: 0.1, 0.2, 0.25, 0.4, 0.6, 0.8, 1, 1.2, 1.4, 1.6, 1.8 (all ON) Default unit: Hz Additional parameters: OFF | ON (disables offset | enables off- set using the previous/default value)

  • Page 91: Spectrum Switching Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Example: Configuring a Spectrum Measurement Firmware/Software: V3.5.10 Manual operation: "Evaluation Areas" on page 46 CONFigure:GSM:MEAS<i>:BS:MEValuation:SMODulation:TDFSelect <NrFreqOffset> Defines the offset frequency for the "Spectrum Modulation Time" diagram. The dia- gram shows the measured power vs. time at the selected offset frequency. The numbers 1 to 11 select the negative frequency offsets from the "Frequency Off- sets"...

  • Page 92: I/Q Constellation Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:SSWitching:TDFSelect <NrFreqOffset> Defines the offset frequency for the "Spectrum Modulation Time" diagram. The dia- gram shows the measured power vs. time at the selected offset frequency. The numbers 1 to 4 select the negative frequency offsets from the "Frequency Offsets" list, numbers 5 to 8 select the positive frequency offsets.

  • Page 93: Trigger Settings

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <Rotation> P38 | P38R P38: rotation not removed, phase-rotated symbols displayed P38R: rotation removed *RST: P38R Example: I/Q Constellation Diagram Firmware/Software: V3.5.10 Manual operation: "Multi Evaluation > Rotation" on page 54 CONFigure:GSM:MEAS<i>:BS:MEValuation:FILTer:IQ <Filter>...
  • Page 94 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Example: Configuring the Trigger System Usage: Query only Firmware/Software: V3.5.10 Manual operation: "Trigger Source" on page 47 TRIGger:GSM:MEAS<i>:BS:MEValuation:SOURce <Source> Selects the source of the trigger events. Some values are always available in this firm- ware application.
  • Page 95 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Example: Configuring the Trigger System Firmware/Software: V3.5.10 Manual operation: "Trigger Threshold" on page 48 TRIGger:GSM:MEAS<i>:BS:MEValuation:TOUT <TriggerTimeOut> Selects the maximum time that the R&S CMW will wait for a trigger event before it stops the measurement in remote control mode or indicates a trigger timeout in manual operation mode.

  • Page 96: Limits (Gmsk Modulation)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:GLENgth <GapLength> Defines the gap length as an integer number of slots. The gap length is used for frame synchronization if the gap acquisition mode is active (see CONFigure:GSM: MEAS<i>:BS:MEValuation:AMODe). Parameters: <GapLength>...
  • Page 97 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:EVMagnitude <LimitRMS>, <LimitPeak>, <Limit95%>, <StatRMSCurrent>, <StatRMSAverage>, <StatRMSMax>, <StatPeakCurrent>, <StatPeakAverage>, <StatPeakMax>, <Stat95%> Defines and activates upper limits for the RMS, peak and 95th percentile values of the error vector magnitude (EVM). The number to the left of each result parameter is provided for easy identification of the parameter position within the result array.
  • Page 98 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <2_LimitPeak> Range: 0 % to 50 % *RST: 22 % Default unit: % <3_Limit95%> Range: 0 % to 100 % *RST: 11 % Default unit: % <4_StatRMSCrrnt> ON | OFF <5_StatRMSAvrg> ON: apply limit to the Current, Average, Max, 95th percentile <6_StatRMSMax>...
  • Page 99 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Firmware/Software: V3.5.10 Manual operation: "Modulation" on page 51 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:IQOFfset <Limit>, <StatCurrent>, <StatAverage>, <StatMax> Defines and activates upper limits for the I/Q origin offset values. Parameters: <Limit> Range: -100 dB to 0 dB *RST: -30 dB Default unit: dB...

  • Page 100: Limits (8-Psk Modulation)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <Limit> Range: -1000 Sym to 1000 Sym *RST: 10 Sym Default unit: Sym <StatCurrent> ON | OFF <StatAverage> ON: apply limit to the Current, Average, Max values <StatMax> OFF: do not apply limit *RST: Example: Specifying Limits...
  • Page 101 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:EVMagnitude <LimitRMS>, <LimitPeak>, <Limit95%>, <StatRMSCurrent>, <StatRMSAverage>, <StatRMSMax>, <StatPeakCurrent>, <StatPeakAverage>, <StatPeakMax>, <Stat95%> Defines and activates upper limits for the RMS, peak and 95th percentile values of the error vector magnitude (EVM). The number to the left of each result parameter is provided for easy identification of the parameter position within the result array.
  • Page 102 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <2_LimitPeak> Range: 0 % to 50 % *RST: 22 % Default unit: % <3_Limit95%> Range: 0 % to 100 % *RST: 11 % Default unit: % <4_StatRMSCrrnt> ON | OFF <5_StatRMSAvrg> ON: apply limit to the Current, Average, Max, 95th percentile <6_StatRMSMax>...
  • Page 103 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:IQOFfset <Limit>, <StatCurrent>, <StatAverage>, <StatMax> Defines and activates upper limits for the I/Q origin offset values. Parameters: <Limit> Range: -100 dB to 0 dB *RST: -30 dB Default unit: dB <StatCurrent> ON | OFF <StatAverage>...

  • Page 104: Limits (16-Qam Modulation)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Example: Specifying Limits Firmware/Software: V3.5.10 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:FERRor <Limit>, <StatCurrent>, <StatAverage>, <StatMax> Defines and activates upper limits for the frequency error. Parameters: <Limit> Range: 0 Hz to 999 Hz *RST: 45 Hz Default unit: Hz <StatCurrent>...

  • Page 105: Configure:gsm:meas:Bs:mevaluation:limit:qam:Merror

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <1_LimitRMS> Range: 0 % to 50 % *RST: Default unit: % <2_LimitPeak> Range: 0 % to 50 % *RST: 22 % Default unit: % <3_Limit95%> Range: 0 % to 100 % *RST: 11 % Default unit: %...

  • Page 106: Configure:gsm:meas:Bs:mevaluation:limit:qam:Perror

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <4_StatRMSCrrnt> ON | OFF <5_StatRMSAvrg> ON: apply limit to the Current, Average, Max, 95th percentile <6_StatRMSMax> values <7_StatPeakCrrnt> OFF: do not apply limit <8_StatPeakAvrg> *RST: <9_StatPeakMax> <10_Stat95%> Example: Specifying Limits Firmware/Software: V3.5.10 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:PERRor <LimitRMS>, <LimitPeak>, <Limit95%>, <StatRMSCurrent>, <StatRMSAverage>, <StatRMSMax>, <StatPeakCurrent>, <StatPeakAverage>,...

  • Page 107: Configure:gsm:meas:Bs:mevaluation:limit:qam:Iqoffset

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:IQOFfset <Limit>, <StatCurrent>, <StatAverage>, <StatMax> Defines and activates upper limits for the I/Q origin offset values. Suffix: <ModOrder> Modulation order, at present fixed Parameters: <Limit> Range: -100 dB to 0 dB *RST: -30 dB Default unit: dB...

  • Page 108: Limits (Power Vs. Time)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Suffix: <ModOrder> Modulation order, at present fixed Parameters: <Limit> Range: -1000 Sym to 1000 Sym *RST: 10 Sym Default unit: Sym <StatCurrent> ON | OFF <StatAverage> ON: apply limit to the Current, Average, Max values <StatMax>...
  • Page 109 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:PVTime:UPPer:FEDGe<no>: ....................... 110 STATic CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:PVTime:UPPer:REDGe<no>: ....................... 110 STATic CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:PVTime:UPPer:UPARt<no>: ....................... 110 STATic CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:PVTime:UPPer:FEDGe<no>: ....................... 110 STATic CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:PVTime:LOWer:UPARt<no>: ....................... 113 STATic CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:PVTime:LOWer:UPARt<no>: ....................... 113 STATic CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:PVTime:ABPower<no> <LowerLimit>, <UpperLimit>, <Enable> Defines and activates limits for the average burst power. Suffix: <no>...
  • Page 110 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <Enable> <LowerLimit> in dB <UpperLimit> in dB <no>=6 OFF/ON/OFF -/-3/- -/3/- <no>=7 to 10 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:PVTime:GPLevel <GuardPeriodLev> Defines the raising of the upper limit line in the guard period between two consecutive bursts.
  • Page 111 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <TimeStart> Start and end time of the area <TimeEnd> Range: -50 Sym to 165 Sym *RST: see tables below Default unit: Sym <RelLevStart> Start and end level of the relative limit for the area <RelLevEnd>...
  • Page 112 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Table 6-3: Falling edge GMSK <TimeStart> in <TimeEnd> in <RelLevStart> <AbsLevStart> <Enable> Symbol Symbol (=<RelLevEnd>) in (=<AbsLevEnd>) in dBm, <Status> <no>=1 149.41 151.57 <no>=2 151.57 154.27 <no>=3 154.27 162.16 -17/-20, ON <no>=4 162.16 165.00...
  • Page 113 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:PVTime:LOWer: UPARt<no>:STATic <TimeStart>, <TimeEnd>, <RelLevStart>, <RelLevEnd>, <AbsLevStart>, <AbsLevEnd>, <Enable> CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:PVTime:LOWer: UPARt<no>:STATic <TimeStart>, <TimeEnd>, <RelLevStart>, <RelLevEnd>, <AbsLevStart>, <AbsLevEnd>, <Enable> These commands define and activate lower limit lines for the measured power vs. time. The lines apply to the "useful part"...

  • Page 114: Limits (Spectrum Modulation)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <Enable> OFF | ON ON: enable area <no> OFF: disable area <no> *RST: see table below Example: Specifying Limits Firmware/Software: V3.5.10 The default settings are according to the following tables. Table 6-7: GMSK Area <TimeStart>...
  • Page 115 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:SMODulation:RPOWer <Minimum>, <Maximum> Defines two reference power values for the modulation scheme GMSK. These values are relevant in the context of CONFigure:GSM:MEAS<i>:BS:MEValuation: LIMit:GMSK:SMODulation:MPOint<no>. Parameters: <Minimum> Low reference power value Range: 0 dBm to 43 dBm *RST: 33 dBm Default unit: dBm...
  • Page 116 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <AbsPowerLevel> Alternative absolute power limit. If the relative limits are tighter than the absolute limit, the latter applies. Range: -120 dBm to 31.5 dBm *RST: <no> = 1 to 4: -36 dBm / <no> = 5 to 11: -51 dBm Default unit: dBm <Enable>...

  • Page 117: Limits (Spectrum Switching)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Suffix: <no> 1..11 Number of the frequency offset value. The offsets are defined by the command CONFigure:GSM: MEAS<i>:BS:MEValuation:SMODulation:OFRequence. Parameters: <MinPowLevelRel> Relative power limit applicable below the low reference power Range: -99.9 dB to 99.9 dB *RST: <no>...
  • Page 118 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Parameters: <Enable> ON | OFF 10 values: ON: enable reference value OFF: disable reference value *RST: <PowerLevel> Reference power - 10 values Range: 0 dBm to 39 dBm *RST: Level 1 to 10 in dBm: 39, 37, 35, 33, 31, 29, 27, 25, 23, 21 Default unit: dBm Example:...
  • Page 119 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands The default settings for GSM 900/1800/1900 are according to the following tables. The default settings for GSM850, GSM GT800, and GSM400 are identical to GSM900. Table 6-9: Default values GSM 900 for <Enable> (ON/OFF) and <PowerLimit> (values in dB) depend- ing on <no>...
  • Page 120 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <PowerLevel> 10 values of reference power Range: 0 dBm to 39 dBm *RST: Level 1 to 10 in dBm: 39, 37, 35, 33, 31, 29, 27, 25, 23, 21 Default unit: dBm Example: Specifying Limits Firmware/Software: V3.5.10...

  • Page 121: Modulation View Throughput Result

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Table 6-13: Default values GSM 1800 for <Enable> (ON/OFF) and <PowerLimit> (values in dB) depending on <no> <no> Enable Limit1 Limit2 Limit3 Limit4 Limit5 Limit6 Limit7 Limit8 Limit9 Limit10 OFF, 0 OFF, 0 OFF, 0 OFF, 0...

  • Page 122: Evm Results (Traces)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands 6.3.18 EVM Results (Traces) The following commands return the EVM trace results of the multi evaluation measure- ment for the "measured slot" (CONFigure:GSM:MEAS<i>:BS:MEValuation: MSLots). FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:CURRent? FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:AVERage? FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:MAXimum? READ:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:CURRent? READ:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:AVERage? READ:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:MAXimum? Returns the values of the EVM traces. The results of the current, average and maxi- mum traces can be retrieved.

  • Page 123: Phase Error Results (Traces)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Return values: <Reliability> Reliability Indicator <Results> n magnitude error results, depending on the type of modulation 8-PSK/16-QAM modulation: 142 values (one value per symbol period, symbol 3 to symbol 144) GMSK modulation: 588 values (four values per symbol period, symbol 0.5 to symbol 147.5) Access burst: 348 values (four values per symbol period, symbol 0.5 to symbol 87.5)

  • Page 124: Modulation Results (Single Values)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands For additional information concerning syntax elements and returned values refer to Conventions and General Information. 6.3.21 Modulation Results (Single Values) The following commands return results of the multi evaluation measurement, mea- sured in the "Measured Slot"...
  • Page 125 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <3_EVMRMS> Error vector magnitude RMS and peak value <4_EVMpeak> Range: 0 % to 100 % Default unit: % <5_MagErrorRMS> Magnitude error RMS value Range: 0 % to 100 % Default unit: % <6_MagErrorPeak>...
  • Page 126 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CALCulate:GSM:MEAS<i>:BS:MEValuation:MODulation:AVERage? FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:AVERage? READ:GSM:MEAS<i>:BS:MEValuation:MODulation:AVERage? Returns the current and minimum/maximum single slot modulation results of the multi evaluation measurement. The values described below are returned by FETCh and READ commands. CALCulate commands return limit check results instead, one value for each result listed below. The number to the left of each result parameter is provided for easy identification of the parameter position within the result array.
  • Page 127 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <14_AMPMdelay> AMPM delay (determined for 8-PSK and 16-QAM modulation only - for GMSK zeros are returned) Range: -0.9225E-6 s to 0.9225E-6 s Default unit: s Example: Single-Shot and Continuous Measurements Usage: Query only Firmware/Software: V3.5.10 For additional information concerning syntax elements and returned values refer to...
  • Page 128 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <11_FrequencyError> Carrier frequency error Range: 0 Hz to 56000 Hz Default unit: Hz <12_TimingError> Transmit time error Range: 0 Sym to 100 Sym Default unit: Sym <13_BurstPower> Burst Power Range: 0 dB to 71 dB Default unit: dB <14_AMPMdelay>...

  • Page 129: Power Vs Time Results (Traces)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <PhaseError> Phase error percentile Range: 0 deg to 180 deg Default unit: deg Example: Single-Shot and Continuous Measurements Usage: Query only Firmware/Software: V3.5.10 For additional information concerning syntax elements and returned values refer to Conventions and General Information.

  • Page 130: Power Vs Time Results (Single Values)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands        SlotCount The first sample of the "Measurement Slot" is located at position m in the trace, where:       MeasSlot The results of the current, average minimum and maximum traces can be retrieved.
  • Page 131 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands Return values: <1_Reliability> Reliability Indicator <2_BurstsOutTol> Percentage of measurement intervals / bursts of the statistic count (READ:GSM:MEAS<i>:BS:MEValuation:PVTime[: ALL]?) exceeding the specified limits, see Limits (Power vs. Time) Range: 0 % to 100 % Default unit: % <3_AvgPow0>...
  • Page 132 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <4_Subvector1> ... Burst power at position in μs: –28 , –18, –10, 0, 2, 4, 538.2, <15_Subvector12> 540.2, 542.8, 552.8, 560.8, 570.8 Range: -100 dB to 100 dB Default unit: dB Example: Single-Shot and Continuous Measurements Usage:...

  • Page 133: Spectrum Modulation Results

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <RelSlotTiming> Range: -1500 Sym to 1500 Sym Default unit: symbols Example: Performing Single-Shot Measurements Usage: Query only Firmware/Software: V3.5.10 Manual operation: "Statistical Overviews" on page 58 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:TSC? Returns the detected Training Sequence Code (TSC) and burst type for all measured timeslots.
  • Page 134 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands CALCulate:GSM:MEAS<i>:BS:MEValuation:SMODulation:FREQuency? FETCh:GSM:MEAS<i>:BS:MEValuation:SMODulation:FREQuency? READ:GSM:MEAS<i>:BS:MEValuation:SMODulation:FREQuency? Returns the average burst power measured at a series of frequencies. The frequencies are determined by the offset values defined via the command CONFigure:GSM: MEAS<i>:BS:MEValuation:SMODulation:OFRequence. All defined offset values are considered (irrespective of their activation status).

  • Page 135: Spectrum Switching Results

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands FETCh:GSM:MEAS<i>:BS:MEValuation:SMODulation? READ:GSM:MEAS<i>:BS:MEValuation:SMODulation? Returns general spectrum modulation results. Return values: <Reliability> Reliability Indicator <OutOfTolCount> Percentage of measurement intervals / bursts of the statistic count (READ:GSM:MEAS<i>:BS:MEValuation: SMODulation?) exceeding the specified limits (see Limits (Spectrum Modulation)).
  • Page 136 ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands The number to the left of each result parameter is provided for easy identification of the parameter position within the result array. Return values: <1_Reliability> Reliability Indicator <2_PowOffsetM4> ... <PowOffset M/P n> refers to the maximum burst power at the <5_PowOffsetM1>...

  • Page 137: I/Q Constellation Results (Traces)

    ® Command Reference R&S CMW-KN200 Multi Evaluation Measurement Commands <OutOfTolCount> Percentage of measurement intervals / bursts of the statistic count (CONFigure:GSM:MEAS<i>:BS:MEValuation: SCOunt:SSWitching) exceeding the specified limits, see Lim- its (Spectrum Switching) Range: 0 % to 100 % Default unit: % <CarrierPower>...

  • Page 138: List Of Commands

    ® List of Commands R&S CMW-KN200 List of Commands ABORt:GSM:MEAS<i>:BS:MEValuation......................78 CALCulate:GSM:MEAS<i>:BS:MEValuation:MODulation:AVERage?............126 CALCulate:GSM:MEAS<i>:BS:MEValuation:MODulation:CURRent?............124 CALCulate:GSM:MEAS<i>:BS:MEValuation:MODulation:MAXimum?............124 CALCulate:GSM:MEAS<i>:BS:MEValuation:MODulation:PERCentile?............128 CALCulate:GSM:MEAS<i>:BS:MEValuation:PVTime[:ALL]?................130 CALCulate:GSM:MEAS<i>:BS:MEValuation:SMODulation:FREQuency?............ 134 CALCulate:GSM:MEAS<i>:BS:MEValuation:SSWitching:FREQuency?............135 CONFigure:GSM:MEAS<i>:BS:BAND......................74 CONFigure:GSM:MEAS<i>:BS:CHANnel......................75 CONFigure:GSM:MEAS<i>:BS:MEValuation:ABSearch................. 87 CONFigure:GSM:MEAS<i>:BS:MEValuation:AMODe..................95 CONFigure:GSM:MEAS<i>:BS:MEValuation:APATtern..................96 CONFigure:GSM:MEAS<i>:BS:MEValuation:FCRange..................86 CONFigure:GSM:MEAS<i>:BS:MEValuation:FILTer:IQ..................93 CONFigure:GSM:MEAS<i>:BS:MEValuation:FILTer:PVTime.................88 CONFigure:GSM:MEAS<i>:BS:MEValuation:GLENgth.................. 96 CONFigure:GSM:MEAS<i>:BS:MEValuation:HDALevel................. 86 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:EVMagnitude............101 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:FERRor...............104 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:IQIMbalance............103 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:EPSK:IQOFfset.............
  • Page 139 ® List of Commands R&S CMW-KN200 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:GMSK:TERRor..............99 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:PVTime:ABPower<no>..........109 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:PVTime:GPLevel............110 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:EVMagnitude........104 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:FERRor..........108 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:IQIMbalance........107 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:IQOFfset.......... 107 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:MERRor........... 105 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:PERRor..........106 CONFigure:GSM:MEAS<i>:BS:MEValuation:LIMit:QAM<ModOrder>:TERRor..........107 CONFigure:GSM:MEAS<i>:BS:MEValuation:MODulation:DECode..............89 CONFigure:GSM:MEAS<i>:BS:MEValuation:MOEXception................85 CONFigure:GSM:MEAS<i>:BS:MEValuation:MSLots..................85 CONFigure:GSM:MEAS<i>:BS:MEValuation:MVIew..................88 CONFigure:GSM:MEAS<i>:BS:MEValuation:REPetition................83 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:AMPM................80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:EVMagnitude............... 80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:IQ................. 80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:MERRor............... 80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:MSCalar............... 80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:PERRor................80 CONFigure:GSM:MEAS<i>:BS:MEValuation:RESult:PVTime................
  • Page 140 ® List of Commands R&S CMW-KN200 FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:CURRent?..............124 FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:DBITs?..............129 FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:MAXimum?............... 124 FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:PERCentile?............. 128 FETCh:GSM:MEAS<i>:BS:MEValuation:MODulation:SDEViation?..............127 FETCh:GSM:MEAS<i>:BS:MEValuation:MVTHroughput?................121 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:AVERage:SVECtor?............131 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:BTYPe?................132 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:CURRent:SVECtor?............131 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:MAXimum:SVECtor?............131 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:MINimum:SVECtor?............131 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:RSTiming?..............132 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime:TSC?................133 FETCh:GSM:MEAS<i>:BS:MEValuation:PVTime[:ALL]?................130 FETCh:GSM:MEAS<i>:BS:MEValuation:SMODulation:FREQuency?............134 FETCh:GSM:MEAS<i>:BS:MEValuation:SMODulation?................135 FETCh:GSM:MEAS<i>:BS:MEValuation:SSWitching:FREQuency?.............135 FETCh:GSM:MEAS<i>:BS:MEValuation:SSWitching?................. 136 FETCh:GSM:MEAS<i>:BS:MEValuation:STATe:ALL?................... 79 FETCh:GSM:MEAS<i>:BS:MEValuation:STATe?...................78 FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:AVERage?..........122 FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:CURRent?..........122 FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:EVMagnitude:MAXimum?..........122 FETCh:GSM:MEAS<i>:BS:MEValuation:TRACe:IQ[:CURRent]?..............
  • Page 141 ® List of Commands R&S CMW-KN200 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:IQ[:CURRent]?..............137 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:MERRor:AVERage?............122 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:MERRor:CURRent?............122 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:MERRor:MAXimum?............122 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PERRor:AVERage?............123 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PERRor:CURRent?............123 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PERRor:MAXimum?............123 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PVTime:AVERage?............129 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PVTime:CURRent?............129 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PVTime:MAXimum?............129 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:PVTime:MINimum?............129 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:SMODulation:TIME[:CURRent]?........134 READ:GSM:MEAS<i>:BS:MEValuation:TRACe:SSWitching:TIME[:CURRent]?.......... 136 ROUTe:GSM:MEAS<i>:BS:SCENario:SALone....................73 ROUTe:GSM:MEAS<i>:BS:SCENario?......................73 ROUTe:GSM:MEAS<i>:BS?..........................74 STOP:GSM:MEAS<i>:BS:MEValuation......................78 TRIGger:GSM:MEAS<i>:BS:MEValuation:CATalog:SOURce?..............93 TRIGger:GSM:MEAS<i>:BS:MEValuation:MGAP................... 95 TRIGger:GSM:MEAS<i>:BS:MEValuation:SLOPe..................94 TRIGger:GSM:MEAS<i>:BS:MEValuation:SOURce..................

  • Page 142: Index

    ® Index R&S CMW-KN200 Index Symbols 16-QAM burst ..............17 I/Q filter (GSM) ..............55 Access burst ..............17 Limits Access burst search ............40 GSM BS multi evaluation ........17, 50 Acquisition mode ............... 49 Limits (GSM) ..............17 Acquisition pattern .............
  • Page 143 ® Index R&S CMW-KN200 Stop condition GSM BS measurements ..........39 Time domain @ frequency ..........46 Timing error ............... 30 Training sequence .............40 Trigger settings GSM BS measurements ..........47 Two shot assembly level ........... 43 TX measurement (GSM) ........... 30 User margin ...............

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