GSM信道配置讲解.ppt

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1、BaseStationSubsystemParametersBSSPARforS9RadioNetworkPlanningINTRODUCTIONTimeTable09:00Start10:30Coffeebreak15min.12:00Lunchbreak13:15Afternoonstart15:00Coffeebreak15min.16:15FinishTwodayswillbethesame.INTRODUCTIONContentsofBSSPARIntroductionChannelConfigurationIdleM

2、odeOperationRadioresourcesMeasurementsPowerControlHOprocessIntelligentUnderlayOverlayHandoverSupportforCoverageEnhanchementsTheextendedcellDynamicHotspotDualbandGSM/DCSNetworkOperationHalfRateCHANNELCONFIGURATIONSContentsTimeSlotsBurst2SignalingChannels1TDMAframeTCHSD

3、CCH/8,SDCCH/4,CBCH(2ndphaseGSM)BCCH/CCCH3TrafficChannels4ParametersLogicalChannelsCHANNELCONFIGURATIONSTimeSlotsandFrames0122425012495007Hyperframe=2048SuperframesSuperframe=26x51or51x26Multiframes26Multiframe=120ms51Multiframe=235msTDMAframe=4.615msTCHSIGN.CHANNELCON

4、FIGURATIONSBurstPeriod07TDMAframe=4.615ms=BURSTPERIOD000fsCHANNELCONFIGURATIONSLogicalChannels,DownlinkBSS->MSBCHCCCHFCCHSCHBCCHPCHAGCHDCCHTCHSDCCHSACCHFACCHTCHTCHCOMMONCHANNELSDEDICATEDCHANNELSCHANNELCONFIGURATIONSLogicalChannels,UplinkMS->BSSCCCHRACHDCCHTCHSDCCHSA

5、CCHFACCHTCHTCHCOMMONCHANNELSDEDICATEDCHANNELSCHANNELCONFIGURATIONSConfigurationofSignallingChannels07SeparatedConfigurationCombinedConfiguration07ts0=bcch/pch/agchts1=sdcch/8ts0=bcch/sdcch/4/pch/agchCHANNELCONFIGURATIONSCombinedCCCH/SDCCH/4Multiframefsbbbbcfcfcscccccc

6、ccfcfsttttttttffttttttttfsfsssssssssttttrrsfssssssrrrrrrrsfrrrrrrrrrrfrrrrtrtttrftttrtrtttDownlinkUplinkCHANNELSf=FCCHb=BCCHr=RACHi=idles=SCH/SACCHc=CCCHt=SDCCH/451TDMAframes=235mst0501.2.3.4.ifsbbbbcfcfcsccccccccfcfsccccccccffccccccccfsfccccccccsrrrrrrrfrrrrrrrrrrrrrr

7、frrrrrrrrrrfrrrrrrrrrrfrrrrrrrrrDownlinkUplinkCHANNELSf=FCCHb=BCCHr=RACHi=idles=SCHc=CCCH=PCH/AGCH51TDMAframes=235msr050CHANNELCONFIGURATIONSBCCH/CCCHMultiframeiCHANNELCONFIGURATIONSSDCCH/8Multiframetttttttfttttttttttttttfttttttttttfsssssssssfsssssssssssssfsssstttttt

8、sfttttttttttfttttttttttfttttstsstDownlinkUplinkCHANNELSt=SDCCH/8s=SACCH/8i=idlest51TDMAframes=235mss1.2.3.5.6.7.8.4.0