【正文】
7. Uplink SynchronisationRNSAP RNSAP1. Radio Link Setup RequestStart TX descriptionRNSAP RNSAP4. Radio Link SetupResponseNBAP NBAP2. Radio Link Setup RequestNBAP NBAP3. Radio Link Setup ResponseStart RX descriptionDecision to setupnew RL andrelease old RLNBAP 10. Radio Link Deletion RequestNBAP NBAP11. Radio Link Release ResponseStop RX and TX12. ALCAP Iub Data Transport Bearer ReleaseRRCRRC 9. DCCH : Active Set Update CompleteRRCRRC 8. DCCH: Active Set Update Command[Radio Link Addition Deletion]NBAPUE Node BDrift RNSNode BServing RNSDrift RNC Serving RNCALCAP Iur Bearer Setup5. ALCAP Iub Data Transport Bearer SetupDCHFPDCHFPDCHFPDCHFP6. Downlink Synchronisation軟切換流程(跨 RNC)硬切換前 硬切換后無線鏈路不能夠同時保存CNSRNCNodeBNodeBCNSRNCNodeBNodeB硬切換流程示意圖( RNC內)UE Node B Source Node B Target SRNC8. DCCH : Physical Channel Reconfiguration Complete : Physical Channel Reconfiguration1. Radio Link Setup Request2. Radio Link Setup Response9. Radio Link Deletion Request10. Radio Link Deletion Response3 ALCAP ub Data Transport Bearer Setup7. Radio Link Failure IndicationRRCRRCNBAPNBAPNBAPRRCRRCNBAPNBAPNBAP NBAPDecide to handoverStart RxStart TxDCHFP4. Downlink SynchronisationDCHFP SynchronisationDCHFPNBAPNBAPNBAP11. ALCAP Iub Data Transport Bearer Release硬切換流程( RNC內)硬切換前 硬切換后無線鏈路不能夠同時保存CNSRNC RNCNodeBNodeBCNSRNC RNCNodeBNodeB硬切換流程示意圖(跨 RNC)RNSAPRNSAP1. Radio Link Setup RequestUE Node B SourceNode BTargetRNCSourceRNCTargetSRNCRRC RRC10. DCCH : Physical Channel Reconfiguration Complete : Physical Channel ReconfigurationRRC6. ALCAP Iur Data Transport Bearer Setup NBAP NBAP2. Radio Link Setup RequestNBAP NBAP3. Radio Link Setup ResponseNBAP NBAP12. Radio Link Deletion RequestNBAP NBAP13. Radio Link Deletion Response4. ALCAP ub Data Transport Bearer Setup14. ALCAP Iub Data Transport Bearer ReleaseRNSAP RNSAP15. Radio Link Deletion Response16. ALCAP Iur Data Transport Bearer ReleaseRNSAP5. RL Setup Response RNSAPRNSAP11. Radio Link Deletion RequestRNSAPNBAP NBAP8. Radio Link Failure