N5973A IFT Automation for Verizon Wireless Compliance Test ...
Transcript of N5973A IFT Automation for Verizon Wireless Compliance Test ...
Accelerate testing and reporting to Verizon Wireless Compliance Test Plans
Agilent N5973A IFT Automation forVerizon Wireless Compliance Test PlansTechnical Overview
Simplify Your Verizon Wireless Compliance Test Process• VerizonWireless-listedtest
solution
• Repeatabletestexecutionandreporting
• IncludesIMS-SIPserverand client,supportingbothIPv4 andIPv6
• BuildsonAgilentIFTsoftware andisexpandabletoother test plans
• SupportsAgilent’sestablished8960andPXTtestsets
Developersandoperatorsareincreas-ingtheirfocusontestingthereal-worldperformanceofuserequipment(UE)beforedeployingthedevicesonlivenetworks.Whileconformancetest is necessary, it is not sufficient to determinetheuserexperienceduringdifferenthandoversanduserscenarios.
Testinghandoversbetweendifferentradioaccesstechnologies(RAT)isbecomingincreasinglyimportantintheverificationofLTEUE.WhenoutoftheLTEserviceareatheUEtypi-callyrevertstothenetwork’s2Gor3Ginfrastructure.Forapositiveend-userexperience,theUEneedstotransitionsmoothlybetweenthesetechnologies.
Additionally,deliveringvoiceservicesonall-IPnetworkssuchasLTE(i.e.IMS-VoIPorVoLTE)presentsarealchallengetodevelopersandproviders.Ensuringactualcustomerexperiencemeetsorexceedstheserviceusershavecometoexpectoncircuit-switchedsystemsiscritical.
TheAgilentN5973Aautomationscripts implement Verizon Wireless ComplianceTestPlansinAgilent’sinteractivefunctionaltest(IFT)software.UsedinconjunctionwithAgilentPXTand8960(E5515C/E)wirelesscommunicationstestsets,thesolutionbringsreal-worldnetworktestscenariosintothelabenvironment.
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Efficientlytestand report results• Drag-and-dropenvironment forsequencingpre-defined test cases into test plans
• CustomizableUEcontrol• Generatedresultsreportedto aVerizonWireless-approvedformat
Anticipate increasing UE performance demands NetworkoperatorsaremotivatedtoensurethatperformanceofUEontheirnetworkresultsinapositiveend-userexperience.Whilesignalingconfor-mancetestaddressescertainaspectsof functionality, operators typically wanttoconductmorerepresentativeperformancetestingunderdifferentnetworkconditions.ExamplesincludeverifyingtheUEbehavesasexpectedafterabasestationsignalislostorwhenmovingbetweendifferentbasestations,andinmaintaininganactivedataconnectionthroughInterRAThandoverssuchasLTEto3G.Thesereal-worldusescenariossupplementtraditionalconformancetestandarecommonlyformalizedintooperator-specifictestplans,requiringUEbesubjectedtodemandingcompliancetestingbeforebeingapprovedforuseonanoperator’snetwork.
Accelerate design and verification test cycles AgilenthasdevelopedanumberoftestscriptsbasedontheVerizonWirelessrequirementsforcompliancetest.Ourmeasurementknowledgeandexperienceoftestingisbuiltintothepre-definedtestcases,soyoudonothavetodealwiththecomplexityassociatedwithtestdevelopment,instrumentcontrol,anddatamanage-ment.
Ourtestsoftwareallowsyoutocreateyourowntestplansinadrag-and-dropenvironment.Youcanruntestsunattendedandprogressrapidlytodeployment,providingreliable,repeat-ablemeasurementsandautomaticallygenerating measurement reports to a VerizonWireless-approvedformat.
Achieve compliance testing to Verizon Wireless test plans TheAgilentN5973AIFTautomationfortheVerizonWirelesscompliancetestplanallowsyoutofocusontest-ingtotheVerizonWirelesscompliancestandardswithouthavingtocreatecomplexcodeorprogramtestequip-ment.Developedspecificallyforengi-neersengagedindesignverificationofLTEUEforuseonVerizonWirelessnetworks,thissolutionsupplementsyourwirelesstestingexpertisewithAgilentexperienceandmeasurementknowledge.ThreeoptionsarecurrentlyavailablespecificallyfortestingtoVerizon Wireless compliance plans: N5973A-1FPCDMAInterRATopera-tions,N5973A-2FPCDMAInterRAToperationssimultaneousvoiceanddata,andN5973A-4FPIMSVoIP.
Get ahead faster Agilentprovidesstart-upassistanceservicestohelpyoulearnandharnessthepoweroftheN5973Asoftwareproducts.Onedayofstart-up assistanceismandatoryforthefirst-timepurchaseoftheN5973A.Additionaldaysofstart-upassistanceorproductivityassistancecanbeorderedifrequired.
Keep your test plans productive and currentSoftwareandtechnicalsupportcon-tracts(STSCs)entitleyoutosoftwareupdatesandfeatureenhancements,aswellasdirectaccesstotechnicalexperts.Thesecontractsaredesignedtoincreaseyourproductivitybydeliv-eringsoftwareupdatesandprovidingaformaltechnicalsupportchannelforanyoperationaldifficultiesyoumayencounter. OurtechnicalsupportengineersareexpertsontheN5973Atestplansandrelatedhardware.Theyhaveinstantaccesstosoftwareandtestsetsenablingthemtoresolveyourissuesquickly.Agilentwillinvestigateallsoft-waredefectsandoperationalproblemsreportedthroughthetechnicalsupportchannel.Uponcompletionoftheinves-tigation,wewilladviseyouofpossiblesolutionsorfunctionalalternatives.Wherepossible,Agilentwillprovidesoftwarereleasestoaddressproblemscausedbydefectsinthesoftware. TheN5973ASSTSCcoversallautoma-tionscriptsyouhavepurchasedfortheN5973AandalsoprovidesyouwithupdatestotherelatedIFTandIMS-SIPsoftware.Contractsrunforafixedperiod,usuallyoneyear.AnSTSCwillberequiredforeachPConwhichyouarerunningN5973Aautomationscripts.
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Figure 1. Schematic showing Agilent test implementation of Verizon Wireless InterRAT test plan
Support for Agilent’s established 8960 and PXT test setsLTE,cdma2000®(eHRPDand1xRTT)basestationemulationisachievedusingtheAgilentPXTand8960wire-lesscommunicationtestsets.Alreadyestablishedintheworldof2G,3G,and4Gperformanceandconformancetest,theseleadingtestsetsnowsupportbothIPv4andIPv6addressing,neigh-borcelladvertisement,andthe
requiredsecurityconfigurationtoimple-menttheVerizonWirelesstestplan.ThePXTincludesanemulationoftheevolvedpacketcore(EPC)—anall-IPmobilecorenetworkrequiredby3GPPinthestandardsforLTE.
PC with Agilent IFT, test scripts, logging, and SIP client
Agilent 8960
1x RTT
(optional)
Agilent 8960
eHRPD
SIP client
PC with AgilentIMS-SIP client
and server
Compliance test scripts
System & UE control
Protocol logging
SIP client
LTE Agilent PXT
Evolved packet core
IMS-SIP server
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Automated IMS-SIP server and client AgilenthasdevelopedanIMS-SIPserverandclientspecificallyforthepurposeofUEtesting.TheserverandclientsupportbothIPv4andIPv6communicationprotocolsandareusedtoexchangeSMSmessageswiththeUE.
Bothserverandclienthaveanappli-cationprogramminginterface(API)sotheycanbefullyautomatedineachoftherelevanttestcasestotriggeractionsandrecordoutcomes.
TheIMS-SIPserverimplementationincludesacallflowlogandladderdiagramtocaptureandrepresentthehandshakingbetweenserverandclient.Thisisusedtoverifyoperationandaiddebugging.
Figure 2. IMS-SIP client showing connection settings and results log
Figure 3. IMS-SIP server showing call flow diagram
AgilentgivesyougreaterconfidenceinyourLTEdesigns.WedothisbyprovidinggreaterinsightintocomplexLTEtechnology,evolvingLTEstandardsandhowtotesttothem,anddeeperinsightintotherootcausesofyourdesignproblems.
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Get protocol logs for verification and debug SoftwaretoolsavailableforthePXTand8960provideloggingofprotocolexchangesbetweenthetestsetandtheUE.ThelogsareinvaluableforverifyingcorrectoperationofUEagainstthetestplanandprovidinguserspowerfuldebuggingcapabilitywhentestoutcomesdeviatefromtheexpectedresults.
Verizon Wireless validates Agilent implementation of compliance test plansAgilentsolutionsarebeingvalidatedforanumbertheVerizonWirelessComplianceTestPlans.TheAgilentN5973AIFTautomationscriptsfortheVerizonWirelesscompliancetestplanisexclusivelyavailabletoVerizonWireless-approvedcustomers.
TheN5973AislistedintheVerizonWirelessDeviceTestEquipmentdata-baseatwww.vzw.docs.com,whichisaccessibletoauthorizedusers.
Figure 5. Example test report, in the Verizon Wireless-approved format
Figure 4. Protocol logging and analysis software assists verification and debug
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Configuration informationInteractive functional test software• N5973A-1FPIFTscriptsforLTE-CDMAInterRAToperations• N5973A-2FPIFTscriptsforLTE-CDMAInterRAToperations,simultaneousvoiceanddata(requirespresenceof-1FP)• N5973A-4FPIFTscriptsforLTE-IMSVoIP• N5973ASsoftwareandtechnicalsupportcontract• PS-S20startupassistance• PS-S10remotescheduledproductivityassistance(optional)
Thefollowingsoftwaremustalsobeinstalled• N5972Ainteractivefunctionaltestsoftware• E6966AIMS-SIPserveremulator (bothareautomaticallyenabledbytheN5973A;noseparatepurchaseisnecessary)
LTE cell (including EPC emulator)• E6621APXTwirelesscommunicationstestsetwithOptions2D2and503or506• N6050ASLTEmobiletestsoftware:softwareandtechnicalsupportcontract• N6050A-7FPLTEFDDbasestationemulation• N6052A-1FPLTEenhancedBSEandIPdatatest• N6061ALTEprotocolloggingandanalysis
cdma2000 eHRPD cell• E5515CorE5515E8960wirelesscommunicationtestsetwithOption003• E6706E(orlater)1xEV-DOlabapplication• E6720A-006annualcontractfor1xEV-DO• E6584Awirelessprotocoladviser
cdma2000 1xRTT cell (required for the majority, but not all tests)• E5515CorE5515E8960wirelesscommunicationtestsetwithOption003• E6702E(orlater)cdma2000labappliation• E6720A-002annualcontractforcdma2000
PC requirements for running IFT, protocol loggingHardware/operatingsystem• 1.8GHzPentiumdualcoreprocessororbetter• Windows 7ProfessionalorWindows7Enterprise• 2GBRAM• 2GBofavailableharddiskspace• LANport• 2availableUSBports• PortforcontrollingUE(e.g.additionalUSB)• Oneinstalled,configured,andtestedAgilentTechnologiesorNationalInstrumentsIEEE488.2GPIBinterface
Software• MicrosoftInternetExplorerversion6.0orlater• MicrosoftExcelversion2007orlater• ThelatestversionofVISA(virtualinstrumentsoftwarearchitecture)fromthemanufacturerofyourGPIBinterfaceOptional:VisualStudio2010isrequiredforchangingUEinterfaceprojectandforscriptmodification
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For more informationOntheN5973A:www.agilent.com/find/N5973AOnIFTandassociatedproducts:www.agilent.com/find/IFTOnthePXTandassociatedproducts:www.agilent.com/find/PXTOnthe8960andassociatedproducts:www.agilent.com/find/8960OnAgilentLTEsolutions:www.agilent.com/find/LTE
PC requirements for running IMS-SIP serverHardware/Operatingsystem• 1.8GHzPentiumdualcoreprocessororbetter• Windows7ProfessionalorWindows7Enterprise• 2GBRAM• 2GBofavailableharddiskspace• LANport• 1availableUSBport
Miscellaneous items• VerizonWirelesstestUICC(availablefromGemaltoonlywithVerizonWirelessapproval)
• Agilent82357B(orsimilar)USB/GPIBinterface• 8-wayGigabitLANswitch/hub,LANcables• Three6-dBRFsplitters/combiners• RFcables
cdma2000isaregisteredcertificationmarkoftheTelecommunicationsIndustryAssociation.LTELogoandLTE-AdvancedLogoaretrademarksofETSI.
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