TTCN-3 in LTE UE Testing
TTCN-3 in LTE UE Testing
TTCN-3 in LTE UE Testing
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>LTE</strong> <strong>UE</strong> Test<strong>in</strong>g LandscapeMarket Segments• Device Vendors• Test and Measurement Vendors• Protocol Stack Developers<strong>LTE</strong> Test Challenges•Constantly evolv<strong>in</strong>g Protocol Specifications•Frequently Chang<strong>in</strong>g ConformanceSpecifications•Shorter Time to Market•Test<strong>in</strong>g Complexity is Very High4© 2009 Wipro Ltd - Confidential
Applicability of <strong>TTCN</strong>-3Pre-IOTConformanceBank<strong>in</strong>gIntegrationAutomotive Embedded TelecomSystemUnitModuleTest Doma<strong>in</strong>6© 2009 Wipro Ltd - Confidential
<strong>LTE</strong> Device Conformance Test<strong>in</strong>g<strong>TTCN</strong>-3 Test System<strong>UE</strong>RF7© 2009 Wipro Ltd - Confidential
<strong>UE</strong> Conformance Test Architecture – 3GPPProposedTest control, Logg<strong>in</strong>g<strong>TTCN</strong>-3generated codeCodecSystem Simulator HWSystem Adaptor (SA)Platform Adaptor (PA)Protocol layers<strong>in</strong>ternal <strong>in</strong>terfaceHost-PCSystemdependentlayersSystemdependentlayers<strong>UE</strong><strong>in</strong>ternal <strong>in</strong>terfaceair <strong>in</strong>terface8© 2009 Wipro Ltd - Confidential
<strong>TTCN</strong>-3 Port Mapp<strong>in</strong>gs def<strong>in</strong>ed by 3GPPMTCE_utUTE-UTRA(PTC)NASCTRLCTRLNASEmu(PTC)SRBTC_SRBUtSYS_SRBSYS SYSIND DRButE_SYSE_SYSINDE_DRBE_SRBTEST SYSTEM INTERFACE (TSI)9© 2009 Wipro Ltd - Confidential
Pre-IOT Test<strong>in</strong>g - Why is it Required?<strong>TTCN</strong>-3 Test System<strong>UE</strong>RF10© 2009 Wipro Ltd - Confidential
Applicability of <strong>TTCN</strong>-3 to Pre-IOT Test<strong>in</strong>gTest case Logg<strong>in</strong>g& Verdict ManagementCapabilities areInherently supportedBy <strong>TTCN</strong>-3 basedTest SystemsProcedure librariesCan be created <strong>in</strong><strong>TTCN</strong>-3 to facilitateRapid creation ofTest Scenarios<strong>TTCN</strong>-3 offers astandardized automationTest Bed for Pre-IOTBenefits of us<strong>in</strong>g<strong>TTCN</strong>-3 forPre-IOT Test<strong>in</strong>g<strong>TTCN</strong>-3 supportsEasy Integration to3 rd PartyTest ManagementSolutionMessage Templatesfrom3GPP ConformanceTest Suite can beRe-used3GPP ConformanceTest ArchitectureCan be re-usedto design thePre-IOT Test Suite11© 2009 Wipro Ltd - Confidential
<strong>TTCN</strong>-3 for Device Pre-IOT<strong>LTE</strong> Pre-IOT Test Setup<strong>LTE</strong> IOT NetworkWipro Test FrameworkTest ControlMMES 6aHSSPre-IOT Test SuiteAdaptation LayereNodeBInternetS GiSS HWPDCPRLCMACPHYRFServ<strong>in</strong>gGWNME/NMSSystemS 5PDNGWS 7PCRF12© 2009 Wipro Ltd - Confidential
Build<strong>in</strong>g <strong>TTCN</strong>-3 Message LibraryTest System<strong>UE</strong>RRC Connection RequestRRC Connection SetupRRC Connection Setup Complete<strong>TTCN</strong>-3 Procedure LibraryRRC_Conn_Est_SuccessRRC: DL Information Transfer(NAS: Authentication)RRC: UL Information Transfer(NAS: Authentication Response)NAS_Auth_SuccesssdfsdfdRRC: DL Information Transfer(NAS: SecurityModeCommand)RRC: UL Information Transfer(NAS: SecurityModeComplete)NAS_Security_Success13© 2009 Wipro Ltd - Confidential
Build<strong>in</strong>g Test Case from <strong>TTCN</strong>-3 MessageLibraryTest System<strong>UE</strong>Create PIXIT FilePreamble(Registration)RRC_Conn_Est_SuccessNAS_Auth_SuccessPre-IOT Test Casebuilt from <strong>TTCN</strong>-3Message libraryNAS_Security_SuccessTest BodyRRC_Conn_Reestablish_Success14© 2009 Wipro Ltd - Confidential
Thank YouPranab Duttapranab.dutta@wipro.com© 2009 Wipro Ltd - Confidential
Change language