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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