Ralink-QA-Tool-Introduction

RalinkQAToolIntroductionWenJuiHsuSystemApplicationRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-2AgendazWhyNeedQATool?zWhatCanQAToolProvide?zHowtostartQATestUtilityinAPzEEPROMStructureIntroductionzExample:CalibrationProcedurezQ&AWhyneedQATool?RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-4RalinkQATool(Software)RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-5WhyneedQATool?zVerifyhardwarefunctionofRalinkWLAN802.11a/b/g/nMAC/BBandRFtransceiverICRFtransceiverMAC/BBzNDISdriverisnotonlyverifythehardwarepart,butalsoincludesWiFiprotocolpart.WhatCanQAToolProvide?RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-7WhatcanQAToolprovide?*:supportin2008/Q1zFrequencyCalibrationzTxOutputPowerCalibration&EVMCheckzTxSpectrumMaskCheckzRxSensitivityCheckzEEPROMContentModificationRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-8SetupforWiFiTxtesting(ForMCS_0toMCS_7)IQViewRFCombiner/SplitterIQviewControllerDUTControlInterfaceIQviewControlInterface(Ethernet)DUT(2x3solution)RFCableDUTcontrollerwithQAToolinstalledQAToolRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-9IQViewRFCombiner/SplitterIQviewControllerDUTControlInterfaceIQviewControlInterface(Ethernet)RFCableDUTcontrollerwithQAToolinstalledQAToolDUT(2x3solution)SetupforWiFiTxtesting(ForMCS_0toMCS_7)RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-10FrequencyCalibrationzPurpose:AdjustcenterfrequencytomeetIEEESPEC:20ppm(Ralink:+/-5ppm@25℃)¾TestResult:temperature@25℃¾TransmitCenterFrequencyToleranceTestResultPASSPASSPass/Fail12.875k2.7kFrequencyTolerance2.341.1Result(ppm)CH100CH6Channel2437MHz(TargetcenterFreq)2437.0027MHzFreqDUTRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-11TxOutputPowerCalibration&EVMcheckzPurpose:CheckifTxOutputpowerwithgoodsignalqualitytomeetRalinkandCustomerrequest-30.5-30.9-30.1MCS7-29.5-29.8-30MCS6-26.0-26.6-26.2MCS5-26.2--25.9-26.1MCS4-23.2-23.3-23.6MCS3-22.7-22.5-22.5MCS2-20.6-20.0-20.8MCS1-20.1-20.1-20.0MCS011n40MHzCH11CH6Ch1RateModeEVMtablefromIEEEEVMtestresultNote:EVM:ErrorVectorMagnitude=TxsignalqualityindexRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-12TxSpectrumMaskCheckzPurpose:CheckifTxSpectrumMaskmeetsIEEEstandardasbelowTransmitSpectrumMaskLimitationfor11gOFDMTransmitSpectrumMasktestresultfor11gOFDMRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-13RxSensitivityCheckzPurpose:CheckhowlowsignalstrengththatWLANstillcanreceive-73-73-73MCS7-75-75-75MCS6-77-77-77MCS5-81-81-81MCS4-84-84-84MCS3-87-87-87MCS2-89-89-89MCS1-92-92-92MCS011n20MHzCh1Ch6Ch11RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-14EEPROMContentModificationzPurpose:1.ModifytheTxOutputPowerSetting2.ModifyCountryRegionSetting3.ModifyMACAddress4.ModifySubsystemPID/VID5.ModifyNICConfigurationHowtostartQATestUtilityinAPRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-16HowtostartQATestUtilityinAP(1/6)Step1SettingforRT2880AP1.1ConnectEthernetportthenenter“ated”commandenterATEmode1.4ExecuteRT2880QA.exe(PleaseinstallWinPcap_3_1.exewhenyoufirstexecute)RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-17HowtostartQATestUtilityinAP(2/6)Step2SettingforRT2880iNIC(MIIormPCI)2.1ConnectEthernetportthenenter“Enable”-forMIIiNIC2.3SelectiNICMIIModeas“Disable”-formPCIiNICPS:TheSDKv2.4.0.0andlaterversionsupportsthisfunction.TheRT2880APplatformhardwareversionmustV30RW-FE-2X3andaboveversion.RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-18HowtostartQATestUtilityinAP(3/6)2.4ThenpoweroffAP,insertiNICintosocket.PoweronAP.2.5ConnectEthernetportthenenter“iwprivrai0setQAEnable=1”commandenterATEmode2.8ExecuteRT2880QA.exe(PleaseinstallWinPcap_3_1.exewhenyoufirstexecute)2.9SelectEthernetadapter,andtickiNicModeRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-19HowtostartQATestUtilityinAP(4/6)Step7Step8RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-20HowtostartQATestUtilityinAP(5/6)Step3:UseRS232consoleportandthesettingasbelow.RalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-21HowtostartQATestUtilityinAP(6/6)Step4:Type“ated”commandenterATEmodewhenbootsystemcodefinishedStep5:ConnectEthernetportthenexecuteRT2880QA.EXEEEPROMStructureIntroductionRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-23BriefEEPROMStructurePowerleveldefaultsettingformodulationsDEh~EFh5GHztemperaturecompensationD4h~DDh5GHzPowercalibrationsetting78h~C6h2.4GHztemperaturecompensation6Eh~76h2.4GHzPowercalibrationsetting52h~6AhReceiversetting44h~4chNICconfiguration42h~43hLEDsetting3Ah~41hCountryRegionfor2.4and5GHz38hNICconfiguration34h~37hReserved1Ah~33hPCIsubsystemIDandSubvendorID012h~15hPCIDeviceID&PCIvendorID0Ah~0DhMACaddress04~09hChipID00h~01hFunctionDescriptionOffsetRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL-24RalinkEEPROMContent(RT2860)10430C0001032860Value0706050403020100Offset8012Value0908OffsetFFFFValue3938OffsetMACaddressRalinkConfidential-RALINKPROPRIETARY&CONFIDENTIAL