标签: pre-intro

3G_Data_Lesson_Pre-introCDMA3GDataandCapacityOverviewPre-lessonintroductionNORTELNETWORKSCONFIDENTIALCDMA3GDataandCapacityOverview-February,2001Issue1.80CDMASolutionProfiles1G2GCDMA3GDataandCapacitySolutions(1xRTT)IS-2000cdma20001.25MHzHighSpeedPacketData(upto144kbps)3GAnalogVoiceIS-95cdmaOne1.25MHzWirelineQualityDigitalVoiceCircuitDataDirectSpread/Multi-carrierMobileMultimedia(2Mbps)HighCapacityMobileVoice+MobileHighSpeedPacketDataEnablingtruemobilemultimedia1Benefitsofthecdma20001xRTTStandardsIncreasedmobilestandbybatterylife(viaQuickPagingChannel)Totalbackwardcompatibilitytoreuseswitchandcallprocessingfeatures2-3dBbettercoverageHighspeed153.6kbpspacketdatacapabilit……