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R&S AMS32-K31 MIMO OTA Performance Testing User Manual

1. In the Fading Settings sub dialog modify the static channel model of the commu nication tester if desired See chapter 3 1 2 4 Fading Settings on page 26 Hardware Setup In the Hardware Setup dialog you can select the desired test case and call the R amp S CMW500 LTE driver configuration dialog in order to perform basic RF configurations Access File gt Hardware Setup Open New in the R amp S AMS32 main dialog window keyboard shortcut Ctrl H In the Hardware Setup Open dialog opened select New gt OTA Measurements and click OK The peak performance test in spatial multiplexing mode corresponds to the selection MIMO 2x2 with variable offset between test antennas in the Sensitivity tab User Manual 1175 6678 02 01 22 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode Configuration Hardware Setup OTA Measurements OTA Measurements 1 OTA Measurements h Available jf MIMO 2x2 with variable offset between test antennas e Elevation 1 Elevation z CMYS0D LTE In AFICOM 40d6 limit DutHor AFICOM 40dB Out2 ver AFSCOM Antenna Sensitivity Vertical oel Fig 3 1 Hardware setup for dual antenna tests After selection of the test setup a previously loaded R amp S CMW500 LTE driver appears in the yellow information field below the communication tester symbol click Extras gt Device List to load or configure the driver You
2. O O hor ver 126 5 417 3 3 4209 95 03 b 1548930 30 06 2011 1 U O hor ver 27 31 5 29 6 3008 52 60 5 DI 15 48 34 30 06 2011 EN EO hor ver 116 5 O 1 4392 100 OD 15 4949 30 06 2011 U D DU hor ver 116 5 U U 4392 100 Ur 15 4950 30 06 2011 O BU EO hor ver 116 5 O O 4392 100 O 15 4951 30 06 2011 Fig 2 7 LteMimoData csv file opened in Microsoft amp Excel User Manual 1175 6678 02 01 20 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode Configuration 3 Peak Performance in Spatial Multiplexing Mode This test case fundamentally consists in generating a two stream signal in spatial multi plexing mode and transmitting these two streams simultaneously to the DUT through two different test antennas moving independently to different positions Spatial multi plexing mode means that the two streams are filled with different data so that the maxi mum data rate can be increased by a factor of two compared to SISO operation Each test antenna is a cross polarized one e g a quad ridged horn so it is possible to feed each signal to any of the two polarizations of the test antenna The purpose of this dual antenna test is to determine the performance of the UE when high data rates are streamed under good channel conditions In addition to the sensitivity threshold levels at arbitrary angular positions the dual antenna test case provides derived quantities such as the cumulative distribution function CDF the average
3. In the OTA Auto Test Template dialog you can configure your MIMO OTA test and store your settings to a template file which you may use repeatedly pa Access File gt Test Template Open New in the R amp S AMS32 main dialog window keyboard shortcut Ctrl E or EMC32 Explorer gt Open Test Template In the Hard ware Setup Open dialog opened select New gt OTA Auto Test and click OK OTA Auto Test Select your OTA Test Method Sensitivity Mobile Phone as shown below OTA Auto Test Template OTA Auto Test OTA Test Method General Settings Communication Measurement Intermediate Co Existence Settings Settings sensitivity Settings De Sense testing Report Settings Cancel UK Fis settings according to standard Fig 2 3 OTA Auto Test Template dialog default configuration For a new single antenna MIMO OTA test you may typically have to open the General Settings dialog to select your hardware setup and adjust the Communication Set tings After performing your configurations click OK to save your test to a file with an appropriate name Save as E Y OTA Auto Test File Mame OTA Auto Test MIMO Single Antenna User Manual 1175 6678 02 01 9 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode EE Configuration 2 1 2 1 Hardware Setup Selection In the General Settings dialog you can select your previously configured hardware setup see
4. see fig ure 2 4 En Fading Settings Iw Static Channel Model with Communication Tester ChWSO0 LTE EA Mo Settings to be annei programmed J sa pp EE ae A se ees II IO WI E SCD ENG WEN aol no device gt settings Cancel UK User Manual 1175 6678 02 01 13 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode 2 1 2 5 Configuration A left click on the device symbol in the upper part of the dialog opens the R amp S CMW500 LTE driver configuration dialog T r EMY500 LTE CMWS00 LTE Monitoring General Settings Channel Model w Setup Static Channel Model W Enable Ihitj oa Phi1 o Ih12 0 Phi2 00 b i P oi Ph21 og Ih22 237 Ph22 op With enabled static channel model it is possible to select two magnitudes of the channel matrix elements h11 and h21 The magnitudes of the remaining elements are auto matically readjusted to maintain the downlink power h12 1 h11 and h22 1 h21 The four phases Ph11 Ph22 can be defined independently in multiples of 15 degrees With disabled channel model the two downlink data streams are not cross correlated h12 h21 0 For detailed information about the channel model settings refer to the R amp S CMW500 documentation Click OK to confirm your settings and return to the OTA Auto Test Template dialog Loop Settings In the Loop Settings dialog
5. 0 deg Primary Elevation 0 0 150 0 deg 30 0 deg Secondary Elevation 4 0 0 0 deg Inverted primary elevation Increase Priority Decrease Priority Polarization Loop Settings Primary Meas Antenna Secondary Meas Antenna Horizontal Horizontal Horizontal Vertical Vertical Horizontal Cancel OF The test setup for the dual antenna MIMO OTA test provides four possible polarization combinations H H H V V H V V According to the test case specification all four combinations must be measured as shown above To keep the geometry simple and reduce test times the angular positions of the two test antennas are coupled as follows e Both antennas are at the same Azimuth angle i e their positions are on a circle centered upon the EUT position User Manual 1175 6678 02 01 26 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode Configuration e The polar angle of the second antenna Secondary Elevation is defined relative to the polar angle of the first antenna Primary Elevation see Secondary Elevation Loop Settings below i Loop Settings Define test positions with a file Priority Loop Parameter Polarization HH HA Radio Channel LTE FDD 1 Azimuth 0 0 150 0 deg Primary Elevation 0 0 150 0 deg Secondary Elevation 0 0 0 0 deg Inverted primary elevation Decrease Priority Secondary Elevation Loop Settings Secondary Antenna Positioning Scheme f Elevation angle iz invert
6. OK to open the New Test dialog Create a new R amp S AMS32 test based on your MIMO OTA test template User Manual 1175 6678 02 01 15 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Result Evaluation and Reporting Mew Test Test Definition EI Template OTA Auto Test MIMO Single Antenna El Test Method Sensitvity Mobile Phone Test Condition FS Free Space EuT Condition Cancel Click OK to create save and initialize the test 2 Use the Play Pause and Stop buttons in the test control toolbar at the bottom of the R amp S AMS32 main application window to control test execution 3 Observe the results as they appear in the main window see Result Evaluation and Reporting 2 3 Result Evaluation and Reporting During a test run the measured sensitivity thresholds or effective isotropic sensitivities EIS i e the LTE downlink levels RS EPRE at which the BLER crosses the specified threshold e g 10 BLER are displayed in polar graphs A polar graph is generated for each measured channel The angles in the polar graphs correspond to the azimuth angles the radial axes to the EIS Each graph shows a separate EIS vs azimuth trace for each elevation You can point on the measurement points or double click in order to set markers and retrieve numeric results User Manual 1175 6678 02 01 16 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Div
7. Reporting 25 6608 20 mg Throughput in Eh BRUS T5 T 65 DU 55 Du Level in dBm 10m H2 Fig 3 3 Example of an average throughput graph e The complementary cumulative distribution function CCDF of the relative through put values is calculated for all recorded downlink levels Relative throughput denotes the measured throughput divided by the maximum throughput of the cell The CCDF results are also saved to a table named CCDF Inthe example below each of the colored curves shows the CCDF for a specific downlink level 110 100 30 20 FO En DU CCDF in 40 30 20 10 0 U 0 40 Eb 20 100 Throughput in amp CCOP w 73 87 CCOF 100 97 CCOP amp 26 97 CCOP w 33 97 CCOF amp 107 37 Fig 3 4 Example of a CCDF graph According to the test case specification the CCDF serves as the overall figure of merit for the EUT CCDF x y means that y of all relative throughput values measured at fixed downlink level but at arbitrary angles and polarization combina tions are 2 x In the example above at the level of lower curve none of the relative throughput values was found in more than 50 of the test constellations At the higher level of the upper curve almost all test constellations yielded a relative throughput close to one User Manual 1175 6678 02 01 30 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode To _ Result Evaluation and Reportin
8. User Manual 1175 6678 02 01 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode SSS SSS Ee ST SSeS A re Result Evaluation and Reporting OTA Test Control q He 1 Polarization Horer ER 2 Radio Channel LTE FOD 1 599 x LTE FDD 1 300 y LTE FDD 1 0 3 Azimuth 0 0 deg 0 0 deg wf 30 0 deg wf 60 0 deg Z 30 0 deg wf 120 0 deg wf 150 0 deg Z 180 0 deg Report settings R amp S AMS32 provides a wide range of settings for measurement reports To change the default configuration you can click the Report Settings button in the OTA Auto Test Template dialog see figure 2 4 before you save your test template At the end of the test run when all test results have been acquired R amp S AMS32 calcu lates the following additional results e A3D graph for each channel shows the measured sensitivity thresholds in dBm over the full sphere ale S a MJ A 93 72 94 22 94 72 95 22 95 72 Double Interpolation rent View Theta 60 00 deg Phi 45 00 de Fig 2 5 Example of a 3D graph e The cumulative distribution function CDF of the sensitivity threshold levels for all angular positions is calculated The CDF result is also saved to a table named ODE sec In the example below the CDF corresponds to the blue curve The red dots show the percentage of measurement results which fall in each sensitivity threshold interval defined by the Min level resolution in t
9. Waste disposal Environmental protection item 2 Warning Laser radiation For additional information see section Operation item 7 Signal words and their meaning The following signal words are used in the product documentation in order to warn the reader about risks and dangers Indicates an imminently hazardous situation which if not avoided will result A DANGER in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury Indicates the possibility of incorrect operation which can result in damage to NOTICE the product In the product documentation the word ATTENTION is used synonymously These signal words are in accordance with the standard definition for civil applications in the European Economic Area Definitions that deviate from the standard definition may also exist in other economic areas or military applications It is therefore essential to make sure that the signal words described here are always used only in connection with the related product documentation and the related product The use of signal words in connection with unrelated products or documentation can result in misinterpretation and in personal injury or material damage 1171 0000 42 06 Page 2 Basic Safety Instructions Operating states and operatin
10. can also choose to Define test positions with a file containing both azimuth and elevation angles in R amp S AMS32 table format R amp S AMS32 checks the loaded files for consistency refer to the help system for details Click OK to confirm your settings and return to the OTA Auto Test Template dialog User Manual 1175 6678 02 01 27 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode Test Run 3 2 Test Run Once the test template has been defined as outlined in the previous sections a dual antenna MIMO OTA test is performed in close analogy to the single antenna test The test run involves the following stages 1 Click Test gt Test Sequence Open New or Ctrl T select New gt OTA Meas urements and click OK to open the New Test dialog Create a new R amp S AMS32 test based on your MIMO OTA test template New Test Test Definition EI Template OTA Auto Test MIMO Dual Antenna El Test Method Sensitivity Mobile Phone Test Condition FS Free Space e Cancel Click OK to create save and initialize the test 2 Use the Play Pause and Stop buttons in the test control toolbar at the bottom of the R amp S AMS32 main application window to control test execution 3 Observe the results as they appear in the main window see Result Evaluation and Reporting 3 3 Result Evaluation and Reporting During a test run the measured sensitivity thresholds or effective iso
11. chapter 2 1 1 Hardware Setup on page 7 Access General Settings button in the OTA Auto Test Template dialog see fig ure 2 3 General Settings M Hardware Configuration At Test Start Hardware Setup OTA Measurements Single Ante es Set the tum devices to a defined position for loading the DUT Load Setups stored locally on the instruments Spec Analyzer User Message I Comm Tester AUSERDATASSAVESO T SET SAV At Test End J Set the turn devices to a defined position Mobile Phone Network LTE FOOD Measurement Standard User Specific Release radio link In general you will have to select your Hardware Setup and specify the Mobile Phone Network LTE FDD or TD LTE Click OK to confirm your settings and return to the OTA Auto Test Template dialog The contents of this dialog change as shown below OTA Auto Test Template OTA Auto Test OTA Test Method General Settings Sensitivity Mobile Phone i MIMO 2x2 with single cross polarized test antenna Communication Measurement Settings Settings Report Settings e y II e PS f Fading Settings Loop Settings Cancel UK Fig 2 4 OTA Auto Test Template dialog for a MIMO OTA test User Manual 1175 6678 02 01 10 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode gs ES Configuration 2 1 2 2 Communication Settings The R amp S CMW500 LTE driver provides a config
12. de los requerimientos necesarios en cuanto a aptitudes f sicas ps quicas y emocionales ya que de otra manera no se pueden excluir lesiones o da os de objetos El empresario u operador es responsable de seleccionar el personal usuario apto para el manejo del producto Antes de desplazar o transportar el producto lea y tenga en cuenta el cap tulo Transporte Como con todo producto de fabricaci n industrial no puede quedar excluida en general la posibilidad de que se produzcan alergias provocadas por algunos materiales empleados los llamados al rgenos p ej el n quel Si durante el manejo de productos Rohde amp Schwarz se producen reacciones al rgicas como p ej irritaciones cut neas estornudos continuos enrojecimiento de la conjuntiva o dificultades respiratorias debe avisarse inmediatamente a un m dico para investigar las causas y evitar cualquier molestia o da o a la salud Antes de la manipulaci n mec nica y o t rmica o el desmontaje del producto debe tenerse en cuenta imprescindiblemente el cap tulo Eliminaci n protecci n del medio ambiente punto 1 Ciertos productos como p ej las instalaciones de radiocomunicaci n RF pueden a causa de su funci n natural emitir una radiaci n electromagn tica aumentada Deben tomarse todas las medidas necesarias para la protecci n de las mujeres embarazadas Tambi n las personas con marcapasos pueden correr peligro a causa de la radiaci n electromagn tica El
13. helps ensure the continued safety of the product 1171 0000 42 06 Page 5 Basic Safety Instructions Batteries and rechargeable batteries cells If the information regarding batteries and rechargeable batteries cells is not observed either at all or to the extent necessary product users may be exposed to the risk of explosions fire and or serious personal injury and in some cases death Batteries and rechargeable batteries with alkaline electrolytes e g lithium cells must be handled in accordance with the EN 62133 standard 1 2 Cells must not be taken apart or crushed Cells or batteries must not be exposed to heat or fire Storage in direct sunlight must be avoided Keep cells and batteries clean and dry Clean soiled connectors using a dry clean cloth Cells or batteries must not be short circuited Cells or batteries must not be stored in a box or in a drawer where they can short circuit each other or where they can be short circuited by other conductive materials Cells and batteries must not be removed from their original packaging until they are ready to be used Cells and batteries must not be exposed to any mechanical shocks that are stronger than permitted If a cell develops a leak the fluid must not be allowed to come into contact with the skin or eyes If contact occurs wash the affected area with plenty of water and seek medical aid Improperly replacing or charging cells or batteries that contain alkaline
14. may also have to load drivers for the positioner and antennas and select the four signal paths right click the dB symbols and select Sensitivity Horizontal and Sensitivity Vertical as shown above The two cross polarized test antennas provide four different polarization combinations H H H V V H V V To measure all these combinations in a fixed test setup polarization loop see chapter 3 1 2 5 Loop Settings on page 26 the first RF output connector of the R amp S CMW500 must supply both vertical antenna connectors the second RF output con nector both horizontal antenna connectors An RF switch unit is required for this test setup Double click the switch symbol provide the required path information and cali brate your test setup in order ensure equal path attenuations and equal power densities of all antenna signals at the EUT location To define the RF connector and external attenuation settings at the communication tester left click the R amp S CMW500 device symbol and open the Settings tab of the device driver ES configuration dialog The settings are identical to the single antenna test case see fig Owent Ure 2 2 Click OK to save your hardware setup assigning an appropriate file name e g In RFICOM 4008 OTA Measurements Dual Antenna Out Hor RF1COM 40d8 Outer AFSCOM 3 1 2 OTA Test Template In the OTA Auto Test Template dialog you can configure your MIMO OTA test and store your set
15. sigue como posici n de funcionamiento se define por principio la posici n con el suelo de la caja para abajo modo de protecci n IP 2X uso solamente en estancias interiores utilizaci n hasta 2000 m sobre el nivel del mar transporte hasta 4500 m sobre el nivel del mar Se aplicar una tolerancia de 10 sobre el voltaje nominal y de 5 sobre la frecuencia nominal Categor a de sobrecarga el ctrica 2 indice de suciedad 2 No sit e el producto encima de superficies veh culos estantes o mesas que por sus caracter sticas de peso o de estabilidad no sean aptos para l Siga siempre las instrucciones de instalaci n del fabricante cuando instale y asegure el producto en objetos o estructuras p ej paredes y estantes Si se realiza la instalaci n de modo distinto al indicado en la documentaci n del producto se pueden causar lesiones o en determinadas circunstancias incluso la muerte No ponga el producto sobre aparatos que generen calor p ej radiadores o calefactores La temperatura ambiente no debe superar la temperatura m xima especificada en la documentaci n del producto o en la hoja de datos En caso de sobrecalentamiento del producto pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte Seguridad el ctrica SI no se siguen o se siguen de modo insuficiente las indicaciones del fabricante en cuanto a seguridad el ctrica pueden producirse choques el ctricos incend
16. 00 equipped with the LTE Signaling software application is to be used as communication tester The following R amp S CMW options are required R amp S CMW KS500 LTE FDD Signaling or R amp S CMW KS550 LTE TDD Signaling plus R amp S CMW KS520 LTE MIMO Signaling An R amp S CMW base software version 2V2 1 10 and an R amp S CMW LTE Signaling software version 2V2 1 21 ensures the full func tionality described in this manual Option R amp S AMS32 K29 provides the required device driver for the R amp S CMW500 Extension to other radio technologies is planned The test cases implemented in R amp S AMS32 for evaluation of the OTA performance of a MIMO receiver are based on the MIMO OTA test plan presented by Rohde amp Schwarz together with other companies and institutions to the standardization bodies In this test plan two test cases are identified as being sufficient for a characterization of the MIMO OTA performance of a EUT e A test of the noise limited performance in transmit diversity mode involves a single cross polarized antenna The two downlink streams are fed to the two orthogonal polarizations of the antenna This test case is performed according to chapter 2 Noise Limited OTA Performance in Transmit Diversity Mode on page 6 e Attest of the peak performance in spatial multiplexing mode involves two cross polarized antennas with variable offset This test case is performed according to chapter 3 Peak Performance in Sp
17. 3 ch5230 94 22 93 84 SI CDF_LTE FDD 13 ch5230 94 72 94 47 1 95 09 2 95 72 SE SMS LTE FDD 13_ch5230_ SEI SNS_LTE FDD 13_ch5230_ 2 SNS_LTE FDD 13_ch5230_ pie SMS LTEFDD 13_ch5230_ HI SMS LTEFDD 13 ch5230 35 22 95 72 S SNS_LTE FDD 13_ch5230_ Li SMS LTE FDD 13 ch5230 S SNS_LTE FDD 13 ch5230 Sy Report MENE EE fe KANTETE TA EEE W I MIMO Report SNS_LTE FDI 3 Report Setups NICE KH Hid wan aia KE i EL 3 i hi HE CH Result Tables T H AvgThr LTE FDD 13 ch523 Level e dam 10MHz Thioughput in amp Double Interpolation Double Interpolaticr E CCDF_LTEFDD 13 ch5230 p rent View Theta 60 00 deg Phi 45 00 de rent View Theta 60 00 deg Phi Vd de 28 CDF LTEFDD 13 ch5230 Avgihr LTE FDD 13_ch5230 A X SNS LTE FDD 13 ch5230 hor her H X SNS LTEFDD 13 chs230 ver2 hor dx s SMS LTE FDD 13 _cH5230_ aaa SS rial M vfl SMS LTEFDD 13_cH5230_ FJES GEI S GH Bi K ls a 5 ESM B Ay z MECANO ho SECH vg Throughput in kh Bit t 33 22 z 93 72 D d E KER d Ge gt 35 84 94 22 ud WECoond LTE FOD 13 ch 1 94 47 4 75 20 UECoord LTE FDD 13 ch5 i 1 28 UECoord LTEFDD 13 ch5 95 09 95 22 sl UECoord LTE FOD 13 ch amp CL 95 72 Sy Setup MIMO 24nt inverted H O System A H p y y ol HE HE at Leg A Level in dE m 10MHz Double Inberpolation Double Interpolation Y EMC3Z Expl HI Test Comp Current View Theta 60 00 deg Phi 45 00 deg Curre
18. A Auto Test Template dialog 2 1 2 3 Measurement Settings In the Measurement Settings dialog you can select the measured quantity and test procedure and specify the measurement statistics Access Measurement Settings button in the OTA Auto Test Template dialog see figure 2 4 User Manual 1175 6678 02 01 12 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Configuration er Measurement Settings 4 f Find sensitivity threshold Target value 0 00 id C Set fired downlink level Max number of blacks 11000 Quantity to evaluate age Mm level resolution It dE Set mas uplink power near threshold f Log Throughput over level Cancel DE The Target Value is the BLER at which the sensitivity level is reached The test case specification stipulates a 10 target value Click OK to confirm your settings and return to the OTA Auto Test Template dialog 2 1 2 4 Fading Settings The Fading Settings dialog shows the parameters of the static channel model that the R amp S CMW500 uses for the MIMO tests Static Channel Model with Communication Tester must be selected for MIMO OTA tests MIMO OTA test cases and fading The Rohde amp Schwarz MIMO OTA test cases do not require a faded downlink LTE signal The settings described in this section have been added to support further investigations Access Fading Settings button in the OTA Auto Test Template dialog
19. R amp S AMS32 K31 MIMO OTA Performance Testing User Manual A I en gt E 7 1175 6678 02 01 ROHDE amp SCHWARZ Test amp Measurement User Manual The measurements described in this application note require an OTA Performance Test System R amp S TS8991 order no 1149 4309 03 and the following software products e Over The Air OTA Performance Measurement Software R amp S AMS32 stock number 1508 6650 02 e Option for R amp S AMS32 OTA Software LTE SISO R amp S AMS32 K29 stock number 1508 6680 29 e Option for R amp S AMS32 OTA Software MIMO R amp S AMS32 K31 stock number 1508 6680 31 O 2012 Rohde amp Schwarz GmbH amp Co KG Muehldorfstr 15 81671 Munich Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 E mail info rohde schwarz com Internet http www rohde schwarz com Printed in Germany Subject to change Data without tolerance limits is not binding R amp S is a registered trademark of Rohde amp Schwarz GmbH A Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R amp S is abbreviated as R amp S e g R amp S AMS32 denotes R amp S AMS32 R amp S AMS32 K31 Contents Contents 1 MIMO OTA Fest e D 5 2 Noise Limited OTA Performance in Transmit Diversity Mode 6 21 Soul anar 6 212 ERE SMP 7 212 ATTEN BE 9 2 1 2 1 Hardware Setup Selection 0 0 0 0 cccccccecccsscceeeceeeceeecseeseeeseeesees
20. alue of 10 The level of an LTE downlink signal is defined in terms of the RS EPRE energy per resource element of the reference signal see chap ter 2 1 2 2 Communication Settings on page 11 With a properly calibrated test setup the powers of the horizontal and the vertical signal components at the UE location are equal and both correspond to the RS EPRE set at the R amp S CMW500 see also chapter 2 1 1 Hardware Setup on page 7 In addition to the sensitivity threshold levels at arbitrary angular positions the single antenna test case provides derived quantities such as the cumulative distribution function CDF which serves as an overall figure of merit for the EUT As just one test antenna is used for this test the configuration and test run is very similar to the standard SISO OTA test which is described in the R amp S AMS32 help system More over a SISO test chamber is sufficient for the test The following sections describe spe cific MIMO OTA configurations and results 2 1 Configuration The configuration of a single antenna MIMO OTA setup involves the following steps 1 Inthe Sensitivity tab of the Hardware Setup dialog select the appropriate setup MIMO 2x2 with single cross polarized test antenna See chapter 2 1 1 Hardware Setup on page 7 User Manual 1175 6678 02 01 6 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode ES ______ Configuration 2 Select this hardwar
21. alues measured at every downlink level during the test The data are logged to a file LteMimoData csv in the test s System sub folder The layout of this csv file is as shown below E Microsoft Excel LteMimoData csy Gi File Edit View Insert Format Tools Data Window Help N WMIGAT INnE J 9 C S 31 O Rass er d Y By GS e Reply with Changes End Review E Arial 10 B Z U 8 amp 0 gt Al fe Azimuth Elev 2 Polarization LevelDL BLER MACK Throughput aks Throughput rel DTX abs 0 0 O hor ver 100 O O 4392 100 OD 154906 30 06 2011 O O O hor ver 100 O O 4392 100 O 16 49 07 30 06 2011 0 O O hor ver 102 O 0 4392 100 DU 15 4908 30 06 2011 O O O hor ver 104 O O 4392 100 O 184909 30 06 2011 O O D hor ver 106 O 0 4392 100 O 15 49 10 30 06 2011 O O 0 hor ver 108 O O 4392 100 D 15 49 11 30 06 2011 O 0 D hor ver 110 O O 4392 100 O 16 49 12 30 06 2011 O O D hor ver 112 O O 4392 100 O 15 49 13 30 06 2011 O 0 D hor ver 114 O 0 4392 100 D 15 49 15 30 06 2011 0 0 0 hor ver 116 0 0 4392 100 D 15 49 16 30 06 2011 O O 0 hor ver 118 O O 4392 100 D 15 49 17 30 06 2011 0 0 O hor ver 120 0 0 4392 100 D 15 49 18 30 06 2011 O 0 0 hor ver 122 O O 4392 100 D 16 49 19 30 06 2011 U U O horver 124 U U 4392 100 O 16 49 20 30 06 2011 U 8 Ll horver 126 0 17 U 4304 60 H Di 1 184921 30 06 2011 U U O hor ver 120 95 17 35 5 DU 1 83 16 154922 30 06 2011 LU D LU hor ver 126 0 6 1 17 4365 65 GER 13 154926 30 06 2011
22. at must be replenished regularly the safety instructions of the manufacturer of the hazardous substances or fuels and the applicable regional waste disposal regulations must be observed Also observe the relevant safety instructions in the product documentation The improper disposal of hazardous substances or fuels can cause health problems and lead to environmental damage For additional information about environmental protection visit the Rohde amp Schwarz website Instrucciones de seguridad elementales Es imprescindible leer y cumplir las siguientes instrucciones e informaciones de seguridad El principio del grupo de empresas Rohde amp Schwarz consiste en tener nuestros productos siempre al d a con los est ndares de seguridad y de ofrecer a nuestros clientes el m ximo grado de seguridad Nuestros productos y todos los equipos adicionales son siempre fabricados y examinados seg n las normas de seguridad vigentes Nuestro sistema de garant a de calidad controla constantemente que sean cumplidas estas normas El presente producto ha sido fabricado y examinado seg n el certificado de conformidad adjunto de la UE y ha salido de nuestra planta en estado impecable seg n los est ndares t cnicos de seguridad Para poder preservar este estado y garantizar un funcionamiento libre de peligros el usuario deber atenerse a todas las indicaciones informaciones de seguridad y notas de alerta El grupo de empresas Rohde amp Schwarz est siem
23. atial Multiplexing Mode on page 21 These test cases and their implementation in R amp S AMS32 are described in this user manual For theoretical background and more details please refer to Rohde amp Schwarz Application Note 1SP12 Two Channel Method for OTA Performance Measurements of MIMO Enabled Devices which can be downloaded from the Rohde amp Schwarz home page see http www2 rohde schwarz com en service and support Downloads Appli cation Notes discontinued all amp type 20 amp downid 5905 User Manual 1175 6678 02 01 5 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Configuration 2 Noise Limited OTA Performance in Transmit Diversity Mode This test case fundamentally consists in generating a two stream signal in TX diversity mode and transmitting these two streams simultaneously to the EUT through the two polarizations of the same cross polarized measurement antenna e g a quad ridged horn TX diversity mode means that the two streams essentially contain the same data so that there is no gain in the maximum data rate The purpose of this single antenna MIMO OTA test is to determine the sensitivity threshold of the EUT when the downlink signal is as stable and robust as possible According to the test case specification the sensitivity threshold is defined as the mini mum downlink signal level at the EUT location that results in a block error rate BLER lower than the threshold v
24. bricante de dichas sustancias y las normas regionales de eliminaci n de residuos Tenga en cuenta tambi n en caso necesario las indicaciones de seguridad especiales contenidas en la documentaci n del producto La eliminaci n incorrecta de sustancias peligrosas o combustibles puede causar da os a la salud o da os al medio ambiente Se puede encontrar m s informaci n sobre la protecci n del medio ambiente en la p gina web de Rohde amp Schwarz 1171 0000 42 06 Page 14 Qualitatszertifikat Certificate of quality Certificat de qualit Sehr geehrter Kunde Sie haben sich fur den Kauf eines Rohde 4 Schwarz Produktes ent schieden Sie erhalten damit ein nach modernsten Fertigungsme thoden hergestelltes Produkt Es wurde nach den Regeln unseres Qualitatsmanagementsystems entwickelt gefertigt und gepruft Das Rohde amp Schwarz Qualit ts managementsystem ist unter anderem nach 1509001 und ISO 14001 zertifiziert Der Umwelt verpflichtet Energie effiziente RoHS konforme Produkte 1 Kontinuierliche Weiterentwicklung nachhaltiger Umweltkonzepte 1 150 14001 zertifiziertes Umweltmanagementsystem Dear customer You have decided to buy a Rohde amp Schwarz product You are thus assured of receiving a product that is manufactured using the most modern methods available This product was de veloped manufactured and test ed in compliance with our quality management system standards The Rohde amp Schwarz quali
25. cal Chw S00 LTE In Out not set Fig 2 1 Hardware setup for single antenna tests After selection of the test setup a previously loaded R amp S CMW500 LTE driver appears in the yellow information field below the communication tester symbol click Extras gt Device List to load or configure the driver You may also have to load drivers for the positioner and antenna and select the two signal paths right click the dB symbols and User Manual 1175 6678 02 01 7 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Configuration select Sensitivity Horizontal and Sensitivity Vertical as shown above The test setup remains fixed during the entire measurement the two streams of the LTE downlink signal from the R amp S CMW500 are simultaneously fed to the two polarizations of the test antenna To define the RF connector and external attenuation settings at the communication tester left click the R amp S CMW500 device symbol and open the Settings tab of the device driver configuration dialog T r EMV 500 LTE CMWE500 LTE Monitoring General Settings RF In Out w Setup RF connectors during test AF Input External Input Attenuation RFI COM 40 0 dE AF Output gt HOR External Output Attenuation IRF COM 40 0 de AF Output 2 gt VER IRF3 COM Fig 2 2 RF input and output settings Check Set up RF Connectors during Test select the RF input conn
26. cle Adequately secure the product in the vehicle to prevent injuries or other damage in the event of an accident Waste disposal Environmental protection 1 Specially marked equipment has a battery or accumulator that must not be disposed of with unsorted municipal waste but must be collected separately lt may only be disposed of at a suitable collection point or via a Rohde amp Schwarz customer service center 1171 0000 42 06 Page 6 Instrucciones de seguridad elementales 2 Waste electrical and electronic equipment must not be disposed of with unsorted municipal waste but must be collected separately Rohde amp Schwarz GmbH 8 Co KG has developed a disposal concept and takes full responsibility for take back obligations and disposal obligations for manufacturers within the EU Contact your Rohde amp Schwarz customer service center for environmentally responsible disposal of the product 3 If products or their components are mechanically and or thermally processed in a manner that goes beyond their intended use hazardous substances heavy metal dust such as lead beryllium nickel may be released For this reason the product may only be disassembled by specially trained personnel Improper disassembly may be hazardous to your health National waste disposal regulations must be observed 4 If handling the product releases hazardous substances or fuels that must be disposed of in a special way e g coolants or engine oils th
27. das apropiadas para impedir cualquier peligro p ej medios de medici n adecuados seguros limitaci n de tensi n corte protector aislamiento etc Para la conexi n con dispositivos inform ticos como un PC o un ordenador industrial debe comprobarse que stos cumplan los est ndares IEC60950 1 EN60950 1 o IEC61010 1 EN 61010 1 v lidos en cada caso A menos que est permitido expresamente no retire nunca la tapa ni componentes de la carcasa mientras el producto est en servicio Esto pone a descubierto los cables y componentes el ctricos y puede causar lesiones fuego o da os en el producto Si un producto se instala en un lugar fijo se deber primero conectar el conductor de protecci n fijo con el conductor de protecci n del producto antes de hacer cualquier otra conexi n La instalaci n y la conexi n deber n ser efectuadas por un electricista especializado En el caso de dispositivos fijos que no est n provistos de fusibles interruptor autom tico ni otros mecanismos de seguridad similares el circuito de alimentaci n debe estar protegido de modo que todas las personas que puedan acceder al producto as como el producto mismo est n a salvo de posibles da os Todo producto debe estar protegido contra sobretensi n debida p ej a una ca da del rayo mediante los correspondientes sistemas de protecci n Si no el personal que lo utilice quedar expuesto al peligro de choque el ctrico No debe introducirse en l
28. e Corriente alterna AC Conexi n a conductor de protecci n Corriente continua Corriente alterna DC AC Conexi n a tierra El aparato est protegido en su totalidad por un aislamiento doble reforzado Conexi n a masa o Distintivo de la UE para bater as y acumuladores M s informaci n en la secci n Eliminaci n protecci n del medio ambiente punto 1 1171 0000 42 06 Page 8 Instrucciones de seguridad elementales Significado S mbolo Significado Aviso Cuidado en el manejo de dispositivos e Distintivo de la UE para la eliminaci n por sensibles a la electrost tica ESD separado de dispositivos el ctricos y electr nicos M s informaci n en la secci n Eliminaci n protecci n del medio ambiente punto 2 Advertencia rayo l ser M s informaci n en la secci n Funcionamiento punto 7 Palabras de se al y su significado En la documentaci n del producto se utilizan las siguientes palabras de se al con el fin de advertir contra riesgos y peligros PELIGRO identifica un peligro inminente con riesgo elevado que A PELIGRO provocar muerte o lesiones graves si no se evita ADVERTENCIA identifica un posible peligro con riesgo medio de provocar muerte o lesiones graves si no se evita lesiones leves o moderadas si no se evita AVISO indica la posibilidad de utilizar mal el producto y como consecuencia da arlo En la documentaci n del producto se emplea de forma sin nima e
29. e setup in the General Settings sub dialog of an OTA test tem plate See chapter 2 1 2 1 Hardware Setup Selection on page 10 3 Inthe Communication Settings sub dialog configure the radio link as required Take special care to select TX Diversity as a transmission scheme and to configure a low order robust modulation scheme typically QPSK with a low transport block size index See chapter 2 1 2 2 Communication Settings on page 11 4 Inthe Fading Settings sub dialog modify the static channel model of the commu nication tester if desired See chapter 2 1 2 4 Fading Settings on page 13 2 1 1 Hardware Setup In the Hardware Setup dialog you can select the desired test case and call the R amp S CMW500 LTE driver configuration dialog in order to perform basic RF configurations V I Access File gt Hardware Setup Open New in the R S AMS32 main dialog window SCH keyboard shortcut Ctrl H In the Hardware Setup Open dialog opened select New Measurements gt OTA Measurements and click OK The noise limited OTA performance test in transmit diversity mode corresponds to the selection MIMO 2x2 with single cross polarized test antenna in the Sensitivity tab Hardware Setup OTA Measurements OTA Measurements OTA Measurements Oh Iw Available W MIMO 292 with single cross polarized test antenna Sensitivity Horizont Antenna DST 200 Positioner DST 200 Positioner Sensitivity Verti
30. eak Performance in Spatial Multiplexing Mode 3 1 2 2 Configuration Access General Settings button in the OTA Auto Test Template dialog see fig ure 3 2 The settings are analogous to the single antenna test case The contents of the OTA Auto Test Template dialog change as shown in figure 2 4 Communication Settings The R amp S CMW500 LTE driver provides a configuration dialog for the basic properties of the LTE downlink signal of the R amp S CMW500 Cell Setup and Connection settings Access Communication Settings button in the OTA Auto Test Template dialog see figure 2 4 The Cell Setup parameters are identical to the single antenna test case see chap ter 2 1 2 2 Communication Settings on page 11 In the Connection tab of the driver configuration dialog you can select the DL Transmission Scheme and the allocated DL and UL resource blocks Check Setup Connection to transfer your settings to the R amp S CMW500 T r By 500 LTE CMYS00 LTE Monitoring Cell Setup Connection Setup Connection Downlink Uplink Connection Type Modulation 404M 16 0aM l User Det Channel Res Blocks 30 Transmission Scheme Open Loop Multiple RE Start Pop Transport Block E Add Spectrum Emission Size Index Ve D OF Cancel To measure in line with the test case peak performance in spatial multiplexing mode select Open Loop Multiplex as a transmission scheme and to configure a h
31. ector plus the two RF output connectors at the R amp S CMW500 and enter the external attenuations according to your physical test setup Notice that the RF Output is to be linked to the antenna connector for the horizontal polarization gt HOR the RF Output 2 to the vertical one gt VER The external attenuation of the RF Output 2 does not appear as a configurable value it is automatically set with the aim of generating equal power densities of both downlink streams at the EUT location To achieve this the external attenuation of RF Output 2 is set to the external attenuation value of RF Output corrected by the difference of the attenuation values in the output attenuation tables associated with the two connectors This rule ensures equal power densities provided that both downlink paths have been correctly calibrated so that the output attenuation tables reflect the true path attenuations Click OK to save your R amp S CMW500 driver settings Back in the Hardware Setup dialog the RF In Out settings appear in the white information field below the R amp S ES CMW500 device symbol Click OK to save your hardware setup assigning an appro owent priate file name e g OTA Measurements_Single Antenna In RFICOM 40d Uut Hor RFICOM 40d8 Outer AFSCOM User Manual 1175 6678 02 01 8 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Configuration 2 1 2 OTA Test Template
32. ed in sign to primary test antenna C Elevation is fised during test Elevation angle is at fixed offset s to primary test antenna Cancel DE The Secondary Elevation Loop Settings have the following effect e Elevation angle is inverted in sign means that if the primary elevation is swept from 15 deg to 165 deg the secondary elevation is swept from 15 deg to 165 deg covering the opposite half circle around the EUT location This selection corresponds to the Rohde amp Schwarz MIMO OTA test case specifications e Elevation is fixed during test means that the second measurement antenna is at a fixed position in the chamber either on purpose or because there is no additional positioner available for automatic position control The value range of the secondary elevation is the positioning range of the positioner associated to the secondary antenna in the hardware setup Typically this should be the same range as the one of the primary antenna s positioner inverted in sign An example of such a configu ration is a great circle cut system primary measurement antenna fixed and EUT being rotated in two axes It is extended by a second test antenna also at a fixed location inside the chamber e Elevation angle is at fixed offsets means that a fixed angular offset between the test antennas is maintained during the test If several offset angles are specified the complete position sweep is repeated for each offset You
33. ed in the product documentation or in the data sheet Product overheating can cause electric shock fire and or serious personal injury or even death Electrical safety If the information on electrical safety is not observed either at all or to the extent necessary electric shock fire and or serious personal injury or death may occur 1 Prior to switching on the product always ensure that the nominal voltage setting on the product matches the nominal voltage of the AC supply network If a different voltage is to be set the power fuse of the product may have to be changed accordingly 2 Inthe case of products of safety class with movable power cord and connector operation is permitted only on sockets with a protective conductor contact and protective conductor 3 Intentionally breaking the protective conductor either in the feed line or in the product itself is not permitted Doing so can result in the danger of an electric shock from the product If extension cords or connector strips are implemented they must be checked on a regular basis to ensure that they are safe to use 4 If there is no power switch for disconnecting the product from the AC supply network or if the power switch is not suitable for this purpose use the plug of the connecting cable to disconnect the product from the AC supply network In such cases always ensure that the power plug is easily reachable and accessible at all times For example if the power plug
34. eeeseeeesaeesueseeeseeesees 10 2122 COMMUMICAUON Ed e 11 2123 Measurement SeNNGS uscoirssoataninico aii ariel dali ico decias 12 2122 A o AAA 13 2125 E A 14 SS TER 15 2 3 Result Evaluation and Reporting r anxvrnnnvnnnvvnnnnennnnvnnnnnnnnnernnnernnnernnnnrnnnennnnennnnernnuenn 16 3 Peak Performance in Spatial Multiplexing Mode ee 21 Oil Gonna 21 NE PN 22 312 OTA TES TNB v rres 23 3121 Hardware Setup Selection DE 24 122 Communication SEUNGS EE 25 3 1 2 3 Measurement SENGS vredens 26 311 24 FONN jr 26 o A E E seastewhoraacaucnaysabasnsasean icaasecueus 26 32 TOS AP o Pe A 28 3 3 Result Evaluation and ReportiNg coocccconcccoccconccconaconnnconnnronnnronanronnnronnrrnnnrenanrenannes 28 Glossary MIMO OTA Testing rnxnnnnnnnnnnnnnnnnnennunnnnnnnnnnnnnnnnnennunnnunnn 32 o e PP E T E 33 User Manual 1175 6678 02 01 3 Basic Safety Instructions Always read through and comply with the following safety instructions All plants and locations of the Rohde amp Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety Our products and the auxiliary equipment they require are designed built and tested in accordance with the safety standards that apply in each case Compliance with these standards is continuously monitored by our quality assurance system The product described here has been des
35. electrolytes e g lithium cells can cause explosions Replace cells or batteries only with the matching Rohde amp Schwarz type see parts list in order to ensure the safety of the product Cells and batteries must be recycled and kept separate from residual waste Rechargeable batteries and normal batteries that contain lead mercury or cadmium are hazardous waste Observe the national regulations regarding waste disposal and recycling Transport 1 The product may be very heavy Therefore the product must be handled with care In some cases the user may require a suitable means of lifting or moving the product e g with a lift truck to avoid back or other physical injuries Handles on the products are designed exclusively to enable personnel to transport the product It is therefore not permissible to use handles to fasten the product to or on transport equipment such as cranes fork lifts wagons etc The user is responsible for securely fastening the products to or on the means of transport or lifting Observe the safety regulations of the manufacturer of the means of transport or lifting Noncompliance can result in personal injury or material damage If you use the product in a vehicle it is the sole responsibility of the driver to drive the vehicle safely and properly The manufacturer assumes no responsibility for accidents or collisions Never use the product in a moving vehicle if doing so could distract the driver of the vehi
36. empresario operador tiene la obligaci n de evaluar y se alizar las reas de trabajo en las que exista un riesgo elevado de exposici n a radiaciones Tenga en cuenta que en caso de incendio pueden desprenderse del producto sustancias t xicas gases l quidos etc que pueden generar da os a la salud Por eso en caso de incendio deben usarse medidas adecuadas como p ej m scaras antig s e indumentaria de protecci n Los productos con l ser est n provistos de indicaciones de advertencia normalizadas en funci n de la clase de l ser del que se trate Los rayos l ser pueden provocar da os de tipo biol gico a causa de las propiedades de su radiaci n y debido a su concentraci n extrema de potencia electromagn tica En caso de que un producto Rohde amp Schwarz contenga un producto l ser p ej un lector de CD DVD no debe usarse ninguna otra configuraci n o funci n aparte de las descritas en la documentaci n del producto a fin de evitar lesiones p ej debidas a irradiaci n l ser Clases CEM seg n CISPR 11 Clase A dispositivo apropiado para el uso en cualquier zona excepto en reas residenciales y en aquellas zonas que se encuentran conectadas a una red de suministro de baja tensi n que alimenta un edificio de viviendas Clase B dispositivo apropiado para el uso en reas residenciales y en aquellas zonas que se encuentran conectadas a una red de suministro de baja tensi n que alimenta un edificio de viviendas Re
37. ersity Mode Result Evaluation and Reporting a Set Marker Elevation 0 deg dem 330 deg 100 000 dBm In addition to the polar graphs the following information panes appear in the R amp S AMS32 main application window e The Test Components explorer pane docked to the left side of the window shows the following files Graphics graphs diagrams for data presentation and associated wmf files for viewing in an external application or printout Reports Report Set ups if defined and Result Tables Test Components 4 Y Test lt loaded gt 43 Graphics A SNS LTEFDD 1 cht ver hor GONG LTE FDD 1 cht verd hor BMP te SNS LTE FDD 1 ch300 verd hor ste SMS LTE FDD 1 ch300 verd bo Bl r e SNS LTE FDD TI ch verd hor LC SMS LTE FOD 1_ch599 verd hor Bl 4 0 Graphics WMF C Report y Report Setups C Result Tables Setup Y DTA Auto Test MIMO Single Antenna C System A MIMO OTA test yields one graphics file and one result table file for each measured channel The file names contain the polarization indicator hor Double click a file to select or open it Right click a nodes or file to retrieve related information e g the directories where the test is stored e The OTA Test Control window docked to the right side of the window shows the range and current value of the loop parameters The fixed polarization configuration for the single antenna MIMO OTA test is displayed as Hor Ver
38. g The lower the downlink level is at which a certain CCDF value is reached the better is the UE s MIMO performance e The MIMO Report contains the result tables the CDF graph the average through put and CCDF graphs and all 3D graphs A separate report file is generated for each RF channel Normalization of downlink levels and sensitivity threshold levels The levels in the CDF Avg Throughput and CCDF graphs and tables are either refer enced to the subcarrier spacing dBm 15 kHz values or to the full cell bandwidth dBm 10 MHz values You can switch the scale as described in chapter 2 3 Result Evaluation and Reporting on page 16 In addition to the sensitivity thresholds measured at each point which are saved to the result table of the test R amp S AMS32 logs the BLER and throughput values measured at every downlink level during the test The data are logged to a file LteMimoData csv in the test s System sub folder The layout of this csv file is analogous to the single antenna test case see figure 2 7 The example below shows a complete test result for a dual antenna measurement for a single RF channel and four polarization combinations Test Components CDF_LTE FDD 13 ch5230 x CCDF LTE FDD 13 ch5230 X SNS LTE FDD 13 d i hor2 ver X SNS LTE FDD 13 ch5230 ver2 ver M X Eee 7 Mel S JE A ala S 3 BJ A E AvgTh LTEFDD 13 ch523 DF in CCDF in a 33 72 x 93 22 SC CCDF_LTE FDD 1
39. g positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer without the product s ventilation being obstructed If the manufacturer s specifications are not observed this can result in electric shock fire and or serious personal injury or death Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed 1 Unless otherwise specified the following requirements apply to Rohde amp Schwarz products predefined operating position is always with the housing floor facing down IP protection 2X use only indoors max operating altitude 2000 m above sea level max transport altitude 4500 m above sea level A tolerance of 10 shall apply to the nominal voltage and 5 to the nominal frequency overvoltage category 2 pollution severity 2 2 Do not place the product on surfaces vehicles cabinets or tables that for reasons of weight or stability are unsuitable for this purpose Always follow the manufacturer s installation instructions when installing the product and fastening it to objects or structures e g walls and shelves An installation that is not carried out as described in the product documentation could result in personal injury or even death 3 Do not place the product on heat generating devices such as radiators or fan heaters The ambient temperature must not exceed the maximum temperature specifi
40. he Measurement Settings dialog see chapter 2 1 2 3 Measurement Settings on page 12 You can mouse over the User Manual 1175 6678 02 01 18 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode aS SSE See eS se Result Evaluation and Reporting measurement points or double click in order to set markers and retrieve numeric results 100 an on 70 BO E u D OC 2 Ap 30 99 953 dBmHOMHz el 11 667 10 g e Ea z 4 104 102 100 EI EI 24 Level in d md UMH z Fig 2 6 Example of a CDF graph According to the test case specification the CDF serves as the overall figure of merit for the EUT CDF x dBm y means that y of all sensitivity thresholds measured at arbitrary angles are lt x dBm In the example above all measured sensitivity thresholds are lt 95 dBm but none of them was found to be lt 106 dBm The lower the recorded sensitivity threshold levels the better the EUT s MIMO per formance The steeper the CDF curve the more uniform the antenna performance e The Avg Throughput and CCDF graphs are required for dual antenna tests and decribed in the relevant chapter see figure 3 3 and figure 3 4 e The MIMO Report contains the result tables the CDF graph the average through put and CCDF graphs and all 3D graphs A separate report file is generated for each RF channel Notice that some of the SISO OTA test results e g the Total Isotropic Sensitiv
41. igh order modulation scheme typically 64QAM with a high transport block size index TBSI For detailed information about the communication settings refer to the R amp S CMW500 documentation Click OK to confirm your settings and return to the OTA Auto Test Template dialog User Manual 1175 6678 02 01 25 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode 3 1 2 3 3 1 2 4 3 1 2 5 Configuration Measurement Settings The Measurement Settings settings are analogous to the single antenna test case see chapter 2 1 2 3 Measurement Settings on page 12 Fading Settings The Fading Settings settings are analogous to the single antenna test case see chap ter 2 1 2 4 Fading Settings on page 13 Loop Settings In the Loop Settings dialog you can define the measured polarizations radio channels and angular positions Azimuth Elevation The MIMO OTA tests will be performed at all selected parameter combinations however both antennas are positioned at a common Azimuth angle and their elevations polar angles are coupled as described below A restricted number of measured Radio Channels and angles will keep test times and result lists short Access Loop Settings button in the OTA Auto Test Template dialog see figure 2 4 H Loop Settings Define test positions with a file Priority Polarization H H H H Wey Radio Channel LTE FDD 1 300 Azimuth 0 0 150 0 deg 30
42. igned built and tested in accordance with the attached EC Certificate of Conformity and has left the manufacturer s plant in a condition fully complying with safety standards To maintain this condition and to ensure safe operation you must observe all instructions and warnings provided in this manual If you have any questions regarding these safety instructions the Rohde amp Schwarz group of companies will be happy to answer them Furthermore it is your responsibility to use the product in an appropriate manner This product is designed for use solely in industrial and laboratory environments or if expressly permitted also in the field and must not be used in any way that may cause personal injury or property damage You are responsible if the product is used for any purpose other than its designated purpose or in disregard of the manufacturer s instructions The manufacturer shall assume no responsibility for such use of the product The product is used for its designated purpose if it is used in accordance with its product documentation and within its performance limits see data sheet documentation the following safety instructions Using the product requires technical skills and in some cases a basic knowledge of English It is therefore essential that only skilled and specialized staff or thoroughly trained personnel with the required skills be allowed to use the product If personal safety gear is required for using Rohde amp Schwarz
43. injuries Unless specified otherwise products are not liquid proof see also section Operating states and operating positions item 1 Therefore the equipment must be protected against penetration by liquids If the necessary precautions are not taken the user may suffer electric shock or the product itself may be damaged which can also lead to personal injury Never use the product under conditions in which condensation has formed or can form in or on the product e g if the product has been moved from a cold to a warm environment Penetration by water increases the risk of electric shock Prior to cleaning the product disconnect it completely from the power supply e g AC supply network or battery Use a soft non linting cloth to clean the product Never use chemical cleaning agents such as alcohol acetone or diluents for cellulose lacquers Operation 1 Operating the products requires special training and intense concentration Make sure that persons who use the products are physically mentally and emotionally fit enough to do so otherwise injuries or material damage may occur lt is the responsibility of the employer operator to select suitable personnel for operating the products 1171 0000 42 06 Page 4 Basic Safety Instructions Before you move or transport the product read and observe the section titled Transport As with all industrially manufactured goods the use of substances that induce an allergic
44. ios y o lesiones graves con posible consecuencia de muerte 1 Antes de la puesta en marcha del producto se deber comprobar siempre que la tensi n preseleccionada en el producto coincida con la de la red de alimentaci n el ctrica Si es necesario modificar el ajuste de tensi n tambi n se deber n cambiar en caso dado los fusibles correspondientes del producto Los productos de la clase de protecci n con alimentaci n m vil y enchufe individual solamente podr n enchufarse a tomas de corriente con contacto de seguridad y con conductor de protecci n conectado Queda prohibida la interrupci n intencionada del conductor de protecci n tanto en la toma de corriente como en el mismo producto La interrupci n puede tener como consecuencia el riesgo de que el producto sea fuente de choques el ctricos Si se utilizan cables alargadores o regletas de enchufe deber garantizarse la realizaci n de un examen regular de los mismos en cuanto a su estado t cnico de seguridad Si el producto no est equipado con un interruptor para desconectarlo de la red o bien si el interruptor existente no resulta apropiado para la desconexi n de la red el enchufe del cable de conexi n se deber considerar como un dispositivo de desconexi n El dispositivo de desconexi n se debe poder alcanzar f cilmente y debe estar siempre bien accesible Si p ej el enchufe de conexi n a la red es el dispositivo de desconexi n la longitud del cable de co
45. is the disconnecting device the length of the connecting cable must not exceed 3 m Functional or electronic switches are not suitable for providing disconnection from the AC supply network If products without power switches are integrated into racks or systems the disconnecting device must be provided at the system level 5 Never use the product if the power cable is damaged Check the power cables on a regular basis to ensure that they are in proper operating condition By taking appropriate safety measures and carefully laying the power cable ensure that the cable cannot be damaged and that no one can be hurt by for example tripping over the cable or suffering an electric shock 1171 0000 42 06 Page 3 10 11 12 13 14 15 16 17 18 Basic Safety Instructions The product may be operated only from TN TT supply networks fuse protected with max 16 A higher fuse only after consulting with the Rohde amp Schwarz group of companies Do not insert the plug into sockets that are dusty or dirty Insert the plug firmly and all the way into the socket provided for this purpose Otherwise sparks that result in fire and or injuries may occur Do not overload any sockets extension cords or connector strips doing so can cause fire or electric shocks For measurements in circuits with voltages V ms gt 30 V suitable measures e g appropriate measuring equipment fuse protection current limiting electrical se
46. ity TIS are not relevant for the MIMO test cases and therefore not calculated User Manual 1175 6678 02 01 19 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Result Evaluation and Reporting Normalization of sensitivity threshold levels The levels in the CDF Avg Throughput and CCDF graphs and tables are expressed in units of dBm 15 kHz which corresponds to the normalization of the RS EPRE values see Downlink levels for MIMO sensitivity tests on page 11 15 kHz is the fixed sub carrier spacing of the LTE signal Multiplying the RS EPRE with the number of subcarriers per band yields the full cell bandwidth power values If desired R amp S AMS32 can convert the levels in the CDF graphs and tables to full cell bandwidth powers click Extras gt Options gt OTA Options and check Correct LTE TIS power level for EPRE offset in the Test Control tab of the dialog opened You can also re calculate the CDF results of an exisiting test in order to convert the levels Test gt OTA MIMO Evaluation gt C CDF EValuation gt Do Evaluation The number of subcarriers depends of the cell bandwidth E g for a 10 MHz band the number is 600 so the full bandwidth powers are 10 log 600 dB 27 78 dB above the RS EPRE values In addition to the sensitivity thresholds measured at each point which are saved to the Result Tables of the test R amp S AMS32 logs the BLER and throughput v
47. l t rmino CUIDADO I ATENCI N ATENCI N identifica un peligro con riesgo reducido de provocar Las palabras de se al corresponden a la definici n habitual para aplicaciones civiles en el rea econ mica europea Pueden existir definiciones diferentes a esta definici n en otras reas econ micas o en aplicaciones militares Por eso se deber tener en cuenta que las palabras de se al aqu descritas sean utilizadas siempre solamente en combinaci n con la correspondiente documentaci n del producto y solamente en combinaci n con el producto correspondiente La utilizaci n de las palabras de se al en combinaci n con productos o documentaciones que no les correspondan puede llevar a interpretaciones equivocadas y tener por consecuencia da os en personas u objetos Estados operativos y posiciones de funcionamiento El producto solamente debe ser utilizado seg n lo indicado por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilaci n Si no se siguen las indicaciones del fabricante pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte En todos los trabajos deber n ser tenidas en cuenta las normas nacionales y locales de seguridad del trabajo y de prevenci n de accidentes 1171 0000 42 06 Page 9 Instrucciones de seguridad elementales Si no se convino de otra manera es para los productos Rohde amp Schwarz v lido lo que
48. ldas o bater as no deben someterse a calor ni fuego Debe evitarse el almacenamiento a la luz directa del sol Las celdas y bater as deben mantenerse limpias y secas Limpiar las conexiones sucias con un pa o seco y limpio Las celdas o bater as no deben cortocircuitarse Es peligroso almacenar las celdas o bater as en estuches o cajones en cuyo interior puedan cortocircuitarse por contacto rec proco o por contacto con otros materiales conductores No deben extraerse las celdas o bater as de sus embalajes originales hasta el momento en que vayan a utilizarse Las celdas o bater as no deben someterse a impactos mec nicos fuertes indebidos En caso de falta de estanqueidad de una celda el l quido vertido no debe entrar en contacto con la piel ni los ojos Si se produce contacto lavar con agua abundante la zona afectada y avisar a un m dico En caso de cambio o recarga inadecuados las celdas o bater as que contienen electrolitos alcalinos p ej las celdas de litio pueden explotar Para garantizar la seguridad del producto las celdas o bater as solo deben ser sustituidas por el tipo Rohde Schwarz correspondiente ver lista de recambios Las bater as y celdas deben reciclarse y no deben tirarse a la basura dom stica Las bater as o acumuladores que contienen plomo mercurio o cadmio deben tratarse como residuos especiales Respete en esta relaci n las normas nacionales de eliminaci n y reciclaje Transporte 1 El pr
49. mance 6 H peak performance ccccoccccccnccncnconcncnocncnnonnnnnanonnnnonnons 21 single antenna enciocinnrtiai nro 6 Hardware Setup Test Components c coocccocccncccnnccncnnnnnnnnnoncnnnnnnnnonnncnanononanonos 16 dual antenna test CASE rrrrarrrnrrvannrrarnrvnrrnvannnnnrnnnnennn 22 Testun single antenna test CASE oocccccccccccnccnononnnononnnonannnnnnnnnns 7 danene E oca 28 single antenna test CASE ooooccccoccccconococononnncononnncnnnnnos 15 Throughput average and relative oococcconccccnonm 29 Eo A EEE EE 5 transmission EE NNN ve Transmit diversity casinos ceci 6 L Transport block size Index ooccoccoccconcoccccoconcnocnconcnnnnns 12 Loop Settings dual antenna test CASE rrrarrrnrrrrarrrararrrarrrnrrnrnnnnnsenn 26 single antenna test CASE rrrrrrnnrrrrrnnrrvrrrnnrrennrnnreennn 14 LTE Signaling visir pao 5 M Measurement Settings coooccccocccconcncnnconnnnnncnnnnncnnnnnoos 12 MIMO OTA test plan EE 5 N Noise limited OTA performance coocccoccncccccocncncnonnncnnnnncnos 6 User Manual 1175 6678 02 01 33
50. n los residuos dom sticos sin clasificar sino que debe ser recogido por separado La eliminaci n se debe efectuar exclusivamente a trav s de un punto de recogida apropiado o del servicio de atenci n al cliente de Rohde amp Schwarz Los dispositivos el ctricos usados no se deben desechar con los residuos dom sticos sin clasificar sino que deben ser recogidos por separado Rohde amp Schwarz GmbH amp Co KG ha elaborado un concepto de eliminaci n de residuos y asume plenamente los deberes de recogida y eliminaci n para los fabricantes dentro de la UE Para desechar el producto de manera respetuosa con el medio ambiente dir jase a su servicio de atenci n al cliente de Rohde Schwarz Si se trabaja de manera mec nica y o t rmica cualquier producto o componente m s all del funcionamiento previsto pueden liberarse sustancias peligrosas polvos con contenido de metales pesados como p ej plomo berilio o n quel Por eso el producto solo debe ser desmontado por personal especializado con formaci n adecuada Un desmontaje inadecuado puede ocasionar da os para la salud Se deben tener en cuenta las directivas nacionales referentes a la eliminaci n de residuos En caso de que durante el trato del producto se formen sustancias peligrosas o combustibles que deban tratarse como residuos especiales p ej refrigerantes o aceites de motor con intervalos de cambio definidos deben tenerse en cuenta las indicaciones de seguridad del fa
51. nessnensnensesnnennennne 11 dual antenna test CASE rrrrrrnrrrrarrrararrrarernnrnrannnnnenn 25 single antenna test case REENEN 11 R Complementary cumulative distribution function CCDF A NN aemeuenateece 29 RES CMW500 cccccccccccsseeceeseeeee cescceseessceseeessceseeesseseeees D Configuration Relative throughput csecccecceseeceeeeeeeeseeeeeeeeeaaeeeeeess 29 dual antenna test CASE ooccocccccncccconcncoconccnnnnnnconcnnnnns 21 Report settings redd 18 single antenna test case oocccccccccccncccoconnnononononannnnnnnnnns 6 Results EN 12 dual antenna test CASE oocccocncnccncccnnocococnnnconcnoncnnnanos 28 Cumulative distribution function CDF occconcccccccncon 18 single antenna test CASE ooccccocccccoccnononconononononcnnnnnnoss 16 RF In Out settings ooccccccooncnnccccoconnnncnonancnnnnnonncnnnnnnnnnonnos 8 E RF Input R amp S CMW500 coocccocccccccnccccnccncoccccncnconacononononanoss 8 RF Output R amp S CMW500 essannnssnsnnnnneeearrreessnnrrrrsseererene 8 Effective isotropic sensitivity EIS 16 FETE hr 11 External attenuation cooccoocconcncocccnocncocnconoconocanoncnnannns 8 S F Sensitivity threshold A 6 Fading Settings ON 13 Spatial multiplexing EEN 21 Static channel Model vrai 14 G T General Settings dual antenna test CASE occcoccccccncccccncnnnconcnnnnnnnnncnnnnns 24 Test case single antenna test case ENEE 10 d al antenna iia 21 noise limited OTA perfor
52. nexi n no debe superar 3 m Los interruptores selectores o electr nicos no son aptos para el corte de la red el ctrica Si se integran productos sin interruptor en bastidores o instalaciones se deber colocar el interruptor en el nivel de la instalaci n No utilice nunca el producto si est da ado el cable de conexi n a red Compruebe regularmente el correcto estado de los cables de conexi n a red Aseg rese mediante las medidas de protecci n y de instalaci n adecuadas de que el cable de conexi n a red no pueda ser da ado o de que nadie pueda ser da ado por l p ej al tropezar o por un choque el ctrico 1171 0000 42 06 Page 10 10 11 12 13 14 15 16 17 18 Instrucciones de seguridad elementales Solamente est permitido el funcionamiento en redes de alimentaci n TN TT aseguradas con fusibles de 16 A como m ximo utilizaci n de fusibles de mayor amperaje solo previa consulta con el grupo de empresas Rohde amp Schwarz Nunca conecte el enchufe en tomas de corriente sucias o llenas de polvo Introduzca el enchufe por completo y fuertemente en la toma de corriente La no observaci n de estas medidas puede provocar chispas fuego y o lesiones No sobrecargue las tomas de corriente los cables alargadores o las regletas de enchufe ya que esto podr a causar fuego o choques el ctricos En las mediciones en circuitos de corriente con una tensi n U gt 30 V se deber n tomar las medi
53. nnas the next two containing the elevation values and the final col umn holding the measured value for each position defined by the first four fields in the row The polarization combination is indicated by the file name At the end of the test run when all test results have been acquired R amp S AMS32 calcu lates the following additional results e A3D graph for each channel and polarization combination shows the measured sen sitivity thresholds in dBm over the full sphere No 3D graphs are generated if the measured angles are loaded from a configuration file which typically implicates large or irregular angular steps See also figure 2 5 e The CDF of the sensitivity thresholds for all angular positions and polarization com binations is displayed in a diagram The CDF function is also saved to a table named CDF_ Seealso figure 2 6 e The average throughput for all measurement results which fall in each 0 5 dB wide downlink level interval is calculated Throughput results for all angles and polarization combinations are averaged The average throughput result is also saved to a table named AvgThr The upper diagram edge shows the maximum DL throughput depending on the cell parameters The lower the levels are at which high throughput values are reached the better is the EUT s MIMO performance User Manual 1175 6678 02 01 29 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode BEE Result Evaluation and
54. nt View Theta 60 00deg Phi 45 00 deg User Manual 1175 6678 02 01 31 R amp S AMS32 K31 Glossary MIMO OTA Testing Glossary MIMO OTA Testing B BLER Block error rate C CTIA Cellular Telecommunications amp Internet Association D DL Downlink E EIS Effective isotropic sensitivity per single geometrical point EUT Equipment under test F FDD Frequency division duplex LTE technology L LTE Long term evolution radio technology M MS Mobile phone mobile station O OTA Over the air tests R RF Radio frequency RS EPRE Energy per resource element EPRE of the reference signal RS defines the power of all physical DL channels The sensitivity level corresponds to the RS EPRE at which the measured BLER reaches 10 T TA Test antenna TBSI Transport block size index TDD Time division duplex LTE technology U UL Uplink User Manual 1175 6678 02 01 32 R amp S AMS32 K31 Index Symbols O JD d ANS sorna 18 Options required NU 20 GR E EE 5 R amp S CMW500 cocooccccccccncconccononconanononanonanonnanonaninnnonanens 5 A OTA Auto Test Template dual antenna test CASE oocccocncnccncnconocococonnconcncncnnnnnos 23 Application note 1SP12 EEN 5 single antenna alot es gt EE 9 NA 29 OTA Test Control esas delas 16 C P Cell setup EE A A T 11 Peak performance A NN 21 Channel Model serried ea 14 Polar diagrams cion ici ide 16 Communication settings Power DL UL rvsvesnenavvnnennevnnvvsnennenennnen
55. oducto puede tener un peso elevado Por eso es necesario desplazarlo o transportarlo con precauci n y si es necesario usando un sistema de elevaci n adecuado p ej una carretilla elevadora a fin de evitar lesiones en la espalda u otros da os personales Las asas instaladas en los productos sirven solamente de ayuda para el transporte del producto por personas Por eso no est permitido utilizar las asas para la sujeci n en o sobre medios de transporte como p ej gr as carretillas elevadoras de horquilla carros etc Es responsabilidad suya fijar los productos de manera segura a los medios de transporte o elevaci n Para evitar da os personales o da os en el producto siga las instrucciones de seguridad del fabricante del medio de transporte o elevaci n utilizado 1171 0000 42 06 Page 13 Instrucciones de seguridad elementales Si se utiliza el producto dentro de un veh culo recae de manera exclusiva en el conductor la responsabilidad de conducir el veh culo de manera segura y adecuada El fabricante no asumir ninguna responsabilidad por accidentes o colisiones No utilice nunca el producto dentro de un veh culo en movimiento si esto pudiera distraer al conductor Asegure el producto dentro del veh culo debidamente para evitar en caso de un accidente lesiones u otra clase de da os Eliminaci n protecci n del medio ambiente 1 Los dispositivos marcados contienen una bater a o un acumulador que no se debe desechar co
56. on and Reporting on page 16 T n CMY500 LTE CMYS00 LTE Monitoring General Settings Ww Setup Cell Parameters DL Power Settings mo El AS EPRE POSCH Power Offset P ZU dEm 15kHz 0 dE Bandwidth W Padding POSCH Power Ratio Index PB 10 MHz M OCNG D y UL Power Control Power Control Mode Target Power Closed Loog 10 dBm User Manual 1175 6678 02 01 11 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode oS a Configuration In the Connection tab of the driver configuration dialog you can select the DL Trans mission Scheme and the allocated DL and UL resource blocks Check Setup Connec tion to transfer your settings to the R amp S CMW500 T n CMV 500 LTE CMW S00 LTE Monitoring General Settings Cell Setup Connection le Setup Connection Downlink Connection Type Modulation OPSK User Det Channel Res Blacks AO Transmission Scheme T Diversity hi RB Start 0 Transport Block fC a Add Spectrum Emission Size Index Ve 01 y To measure in line with the test case noise limited OTA performance in transmit diversity mode select TX Diversity as a transmission scheme and to configure a low order robust modulation scheme typically QPSK with a low transport block size index For detailed information about the communication settings refer to the R amp S CMW500 documentation Click OK to confirm your settings and return to the OT
57. os orificios de la caja del aparato ning n objeto que no est destinado a ello Esto puede producir cortocircuitos en el producto y o puede causar choques el ctricos fuego o lesiones Salvo indicaci n contraria los productos no est n impermeabilizados ver tambi n el cap tulo Estados operativos y posiciones de funcionamiento punto 1 Por eso es necesario tomar las medidas necesarias para evitar la entrada de l quidos En caso contrario existe peligro de choque el ctrico para el usuario o de da os en el producto que tambi n pueden redundar en peligro para las personas No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de ste como p ej al desplazarlo de un lugar fr o a otro caliente La entrada de agua aumenta el riesgo de choque el ctrico Antes de la limpieza desconecte por completo el producto de la alimentaci n de tensi n p ej red de alimentaci n o bater a Realice la limpieza de los aparatos con un pa o suave que no se deshilache No utilice bajo ning n concepto productos de limpieza qu micos como alcohol acetona o diluyentes para lacas nitrocelul sicas 1171 0000 42 06 Page 11 Instrucciones de seguridad elementales Funcionamiento 1 El uso del producto requiere instrucciones especiales y una alta concentraci n durante el manejo Debe asegurarse que las personas que manejen el producto est n a la altura
58. paraci n y mantenimiento 1 El producto solamente debe ser abierto por personal especializado con autorizaci n para ello Antes de manipular el producto o abrirlo es obligatorio desconectarlo de la tensi n de alimentaci n para evitar toda posibilidad de choque el ctrico 1171 0000 42 06 Page 12 2 Instrucciones de seguridad elementales El ajuste el cambio de partes el mantenimiento y la reparaci n deber n ser efectuadas solamente por electricistas autorizados por Rohde amp Schwarz Si se reponen partes con importancia para los aspectos de seguridad p ej el enchufe los transformadores o los fusibles solamente podr n ser sustituidos por partes originales Despu s de cada cambio de partes relevantes para la seguridad deber realizarse un control de seguridad control a primera vista control del conductor de protecci n medici n de resistencia de aislamiento medici n de la corriente de fuga control de funcionamiento Con esto queda garantizada la seguridad del producto Bater as y acumuladores o celdas Si no se siguen 0 se siguen de modo insuficiente las indicaciones en cuanto a las bater as y acumuladores o celdas pueden producirse explosiones incendios y o lesiones graves con posible consecuencia de muerte El manejo de bater as y acumuladores con electrolitos alcalinos p ej celdas de litio debe seguir el est ndar EN 62133 1 2 No deben desmontarse abrirse ni triturarse las celdas Las ce
59. paration insulation should be taken to avoid any hazards Ensure that the connections with information technology equipment e g PCs or other industrial computers comply with the IEC60950 1 EN60950 1 or IEC61010 1 EN 61010 1 standards that apply in each case Unless expressly permitted never remove the cover or any part of the housing while the product is in operation Doing so will expose circuits and components and can lead to injuries fire or damage to the product If a product is to be permanently installed the connection between the protective conductor terminal on site and the product s protective conductor must be made first before any other connection is made The product may be installed and connected only by a licensed electrician For permanently installed equipment without built in fuses circuit breakers or similar protective devices the supply circuit must be fuse protected in such a way that anyone who has access to the product as well as the product itself is adequately protected from injury or damage Use suitable overvoltage protection to ensure that no overvoltage such as that caused by a bolt of lightning can reach the product Otherwise the person operating the product will be exposed to the danger of an electric shock Any object that is not designed to be placed in the openings of the housing must not be used for this purpose Doing so can cause short circuits inside the product and or electric shocks fire or
60. pre a su disposici n en caso de que tengan preguntas referentes a estas informaciones de seguridad Adem s queda en la responsabilidad del usuario utilizar el producto en la forma debida Este producto est destinado exclusivamente al uso en la industria y el laboratorio o si ha sido expresamente autorizado para aplicaciones de campo y de ninguna manera deber ser utilizado de modo que alguna persona cosa pueda sufrir da o El uso del producto fuera de sus fines definidos o sin tener en cuenta las instrucciones del fabricante queda en la responsabilidad del usuario El fabricante no se hace en ninguna forma responsable de consecuencias a causa del mal uso del producto 1171 0000 42 06 Page 7 Instrucciones de seguridad elementales Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentaci n del producto y dentro del margen de rendimiento definido ver hoja de datos documentaci n informaciones de seguridad que siguen El uso del producto hace necesarios conocimientos t cnicos y ciertos conocimientos del idioma ingl s Por eso se debe tener en cuenta que el producto solo pueda ser operado por personal especializado o personas instruidas en profundidad con las capacidades correspondientes Si fuera necesaria indumentaria de seguridad para el uso de productos de Rohde amp Schwarz encontrar a la informaci n debida en la documentaci n del prod
61. products this will be indicated at the appropriate place in the product documentation Keep the basic safety instructions and the product documentation in a safe place and pass them on to the subsequent users Observing the safety instructions will help prevent personal injury or damage of any kind caused by dangerous situations Therefore carefully read through and adhere to the following safety instructions before and when using the product It is also absolutely essential to observe the additional safety instructions on personal safety for example that appear in relevant parts of the product documentation In these safety instructions the word product refers to all merchandise sold and distributed by the Rohde amp Schwarz group of companies including instruments systems and all accessories For product specific information see the data sheet and the product documentation Symbols and safety labels Direct current DC 1171 0000 42 06 Page 1 Basic Safety Instructions Protective conductor terminal Direct alternating current DC AC Ground Device fully protected by double reinforced insulation Ground terminal o EU labeling for batteries and accumulators For additional information see section Waste disposal Environmental protection item 1 Be careful when handling electrostatic sensitive gt EU labeling for separate collection of electrical devices and electronic devices For additonal information see section
62. reaction allergens such as nickel cannot be generally excluded If you develop an allergic reaction such as a skin rash frequent sneezing red eyes or respiratory difficulties when using a Rohde amp Schwarz product consult a physician immediately to determine the cause and to prevent health problems or stress Before you start processing the product mechanically and or thermally or before you take it apart be sure to read and pay special attention to the section titled Waste disposal Environmental protection item 1 Depending on the function certain products such as RF radio equipment can produce an elevated level of electromagnetic radiation Considering that unborn babies require increased protection pregnant women must be protected by appropriate measures Persons with pacemakers may also be exposed to risks from electromagnetic radiation The employer operator must evaluate workplaces where there is a special risk of exposure to radiation and if necessary take measures to avert the potential danger Should a fire occur the product may release hazardous substances gases fluids etc that can cause health problems Therefore suitable measures must be taken e g protective masks and protective clothing must be worn Laser products are given warning labels that are standardized according to their laser class Lasers can cause biological harm due to the properties of their radiation and due to their extremely concentrated elect
63. rmed about new application notes related to your instrument please send an e mail to the Customer Support Center stating your instrument and your wish We will take care that you will get the right information Europe Africa Middle East Phone 49 89 4129 12345 customersupport rohde schwarz com North America Phone 1 888 TEST RSA 1 888 837 8772 customer support rsa rohde schwarz com Latin America Phone 1 410 910 7988 customersupport la rohde schwarz com Asia Pacific Phone 6565 13 04 88 customersupport asia rohde schwarz com China Phone 86 800 810 8228 86 400 650 5896 customersupport china rohde schwarz com ROHDE amp SCHWARZ 1171 0200 22 06 00 R amp S AMS32 K31 MIMO OTA Testing 1 MIMO OTA Testing R amp S AMS32 implements special dedicated tests for evaluating the OTA performance of receivers in MIMO mode To configure and use these tests option R amp S AMS32 K31 must be installed and activated There are many possible MIMO configurations The R amp S AMS32 implementation covers the following e MIMO tests are tests on the EUT s receiver performance that is sensitivity tests on the downlink No uplink or EUT transmitter MIMO is considered e The downlink MIMO channel has a 2x2 configuration that is two downlink signal streams are generated MIMO channel configurations of higher order are not con sidered e R amp S AMS32 supports the LTE FDD or TDD radio technology for MIMO testing The R amp S CMW5
64. romagnetic power If a laser product e g a CD DVD drive is integrated into a Rohde amp Schwarz product absolutely no other settings or functions may be used as described in the product documentation The objective is to prevent personal injury e g due to laser beams EMC classes in line with CISPR 11 Class A Equipment suitable for use in all environments except residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Class B Equipment suitable for use in residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Repair and service 1 The product may be opened only by authorized specially trained personnel Before any work is performed on the product or before the product is opened it must be disconnected from the AC supply network Otherwise personnel will be exposed to the risk of an electric shock Adjustments replacement of parts maintenance and repair may be performed only by electrical experts authorized by Rohde amp Schwarz Only original parts may be used for replacing parts relevant to safety e g power switches power transformers fuses A safety test must always be performed after parts relevant to safety have been replaced visual inspection protective conductor test insulation resistance measurement leakage current measurement functional test This
65. throughput and the complementary cumulative distribution function CCDF of the relative throughput results which serves as an overall figure of merit for the EUT The following sections describe specific dual antenna MIMO OTA configurations and results 3 1 Configuration The configuration of a dual antenna MIMO OTA setup involves the following steps 1 Inthe Sensitivity tab of the Hardware Setup dialog select the appropriate setup MIMO 2x2 with variable offset between test antennas See chapter 3 1 1 Hardware Setup on page 22 User Manual 1175 6678 02 01 21 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode OTA Measurements Configuration Select this hardware setup in the General Settings sub dialog of an OTA test tem plate See chapter 3 1 2 1 Hardware Setup Selection on page 24 In the Loop Settings sub dialog configure the sequence of angular positions to be accessed during the test A special extended MIMO version of this sub dialog is available as an additional loop may be defined for the second test antenna See chapter 3 1 2 5 Loop Settings on page 26 In the Communication Settings sub dialog configure the radio link as required Take special care to select open loop spatial multiplexing as a transmission scheme and to configure a high order modulation scheme typically 64QAM with a high transport block size index See chapter 3 1 2 2 Communication Settings on page 25
66. tings to a template file which you may use repeatedly User Manual 1175 6678 02 01 23 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode Configuration V I Access File gt Test Template Open New in the R amp S AMS32 main dialog window a keyboard shortcut Ctrl E or EMC32 Explorer gt Open Test Template In the Hard ware Setup Open dialog opened select New gt OTA Auto Test and click OK Select your OTA Test Method Sensitivity Mobile Phone as shown below OTA Auto Test Template DTA Auto Test General Settings Communication Measurement Intermediate Co Esistence Settings Settings Sensitivity Settings De Senze testing Report Settings Fis settings according to standard Fig 3 2 OTA Auto Test Template dialog default configuration For a new dual antenna MIMO OTA test you may typically have to open the General Settings dialog to select your hardware setup and adjust the Communication Set tings and the Loop Settings After performing your configurations click OK to save your test to a file with an appropriate name Save as Gave Cancel Y DTA Auto Test Help File Mame OTA Auto Test MIMO Dual Antenna 3 1 2 1 Hardware Setup Selection In the General Settings dialog you can select your previously configured hardware setup see chapter 3 1 1 Hardware Setup on page 22 User Manual 1175 6678 02 01 24 R amp S AMS32 K31 P
67. tropic sensitivities EIS i e the LTE downlink levels RS EPRE at which the BLER crosses the specified threshold e g 10 BLER are displayed in polar graphs In addition the Test Compo nents and OTA Test Control panes are displayed in close analogy to the single antenna test case described in chapter 2 3 Result Evaluation and Reporting on page 16 User Manual 1175 6678 02 01 28 R amp S AMS32 K31 Peak Performance in Spatial Multiplexing Mode Result Evaluation and Reporting Compared to the single antenna test case the number of polar graphs graphics files and result tables is multiplied by the number of measured polarization combinations If all four combinations are measured the number of results is quadrupled Layout and contents of result tables A The layout of the result tables SNS files is the same as in the single antenna test case i e the first column in the table contains the azimuth values the following columns contain the values recorded for a fixed value of the primary elevation The secondary elevation is not explicitly stated in the result table but must be inferred from the config uration for the secondary elevation Therefore at the end of the test additional result tables containing the secondary ele vation are generated These result tables are named UECoord instead of SNS_ They comprise a total of five columns the first two containing the azimuth values for both ante
68. ty management system is certified according to standards such as ISO 9001 and ISO 14001 Environmental commitment Energy efficient products 1 Continuous improvement in environmental sustainability 1 ISO 14001 certified environmental management system Certified Quality System ISO 9001 Certified Environmental System ISO 14001 Cher client Vous avez choisi d acheter un produit Rohde amp Schwarz Vous disposez donc d un produit fabriqu d apr s les m thodes les plus avanc es Le d veloppe ment la fabrication et les tests respectent nos normes de ges tion qualit Le syst me de ges tion qualit de Rohde amp Schwarz a t homologu entre autres conform ment aux normes ISO 9001 et ISO 14001 Engagement cologique Produits efficience nerg tique Am lioration continue de la durabilit environnementale Syst me de gestion de l environnement certifi selon ISO 14001 1171 0200 11 V 05 00 1171020011 Customer Support Technical support where and when you need it For quick expert help with any Rohde amp Schwarz equipment contact one of our Customer Support Centers team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation programming or applications of Rohde amp Schwarz equipment Up to date information and upgrades To keep your instrument up to date and to be info
69. ucto en el cap tulo correspondiente Guarde bien las informaciones de seguridad elementales as como la documentaci n del producto y entr guelas a usuarios posteriores Tener en cuenta las informaciones de seguridad sirve para evitar en lo posible lesiones o da os por peligros de toda clase Por eso es imprescindible leer detalladamente y comprender por completo las siguientes informaciones de seguridad antes de usar el producto y respetarlas durante el uso del producto Deber n tenerse en cuenta todas las dem s informaciones de seguridad como p ej las referentes a la protecci n de personas que encontrar n en el cap tulo correspondiente de la documentaci n del producto y que tambi n son de obligado cumplimiento En las presentes informaciones de seguridad se recogen todos los objetos que distribuye el grupo de empresas Rohde amp Schwarz bajo la denominaci n de producto entre ellos tambi n aparatos instalaciones as como toda clase de accesorios Los datos espec ficos del producto figuran en la hoja de datos y en la documentaci n del producto S mbolos y definiciones de seguridad Significado Significado Aviso punto de peligro general Tensi n de alimentaci n de PUESTA EN 8 MARCHA PARADA Observar la documentaci n del producto Atenci n en el manejo de dispositivos de peso Indicaci n de estado de espera standby elevado Peligro de choque el ctrico Corriente continua DC A Advertencia superficie calient
70. uration dialog for the basic properties of the LTE downlink signal of the R amp S CMW500 Cell Setup and Connection settings Access Communication Settings button in the OTA Auto Test Template dialog see figure 2 4 The contents of the driver configuration dialog depend on the radio technology For LTE MIMO OTA tests you can open the Cell Setup tab in order to select the bandwidth and modify the DL and UL power settings Check Setup Cell Parameters to transfer your settings to the R amp S CMW500 The RS EPRE energy per resource element of the reference signal defines all downlink physical channel levels of the R amp S CMW500 A sensitivity measurement involves repea ted BLER measurements at variable RS EPRE settings The sensitivity threshold i e the RS EPRE at which the BLER crosses the 10 threshold is returned as the basic mea surement result Downlink levels for MIMO sensitivity tests The RS EPRE setting in the driver configuration dialog merely serves as a Start value for the sensitivity measurement the complete sequence of RS EPRE values measured is logged in a file LteMimoData csv see figure 2 7 An RS EPRE setting close to the sensitivity threshold can accelerate the measurement R amp S AMS32 allows you to modify the specified 10 value for the BLER threshold see chapter 2 1 2 3 Measurement Settings on page 12 See also Normalization of sen sitivity threshold levels in chapter 2 3 Result Evaluati
71. you can define the measured radio channels and angular positions Azimuth Elevation The MIMO OTA tests will be performed at all selected radio channels and angles Access Loop Settings button in the OTA Auto Test Template dialog see figure 2 4 User Manual 1175 6678 02 01 14 R amp S AMS32 K31 Noise Limited OTA Performance in Transmit Diversity Mode Test Run i Loop Settings Polarization Radio Channel LTE FOD 1 Azimuth 4 0 330 0 deg Elevation 0 0 150 0 deg Increase Priority Decrease Priority e Polarization Loop Settings hie The test setup for the single antenna MIMO OTA test is fixed with no switching between polarizations so there is no configurable Polarization loop This simplifies the test result generation and reduces the number of graphs and result tables see chapter 2 3 Result Evaluation and Reporting on page 16 Besides the loop settings for single antenna MIMO OTA tests correspond to the loop settings for SISO tests Click OK to confirm your settings and return to the OTA Auto Test Template dialog 2 2 Test Run Once the test template has been defined as outlined in the previous sections a single antenna MIMO OTA test is performed in close analogy to the SISO OTA test described in the R amp S AMS32 help system The test run involves the following stages 1 Click Test gt Test Sequence Open New or Ctrl T select New gt OTA Meas urements and click

R&S AMS32-K31 MIMO OTA Performance Testing User Manual

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R&amp;S AMS32-K31 MIMO OTA Performance Testing User Manual

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R&S AMS32-K31 MIMO OTA Performance Testing User Manual