wcdma無(wú)線網(wǎng)絡(luò)信令流程(文件)
【正文】 isation軟切換流程（跨 RNC）55硬切換前 硬切換后無(wú)線鏈路不能夠同時(shí)保存CNSRNCNodeBNodeBCNSRNCNodeBNodeB硬切換流程示意圖（ RNC內(nèi)）56UE 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(nèi)）57硬切換前 硬切換后無(wú)線鏈路不能夠同時(shí)保存CNSRNC RNCNodeBNodeBCNSRNC RNCNodeBNodeB硬切換流程示意圖（跨 RNC）58RNSAPRNSAP1. 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 IndicationRNSAP RNSAP9. Radio Link Failure Indication硬切換流程（跨 RNC通過(guò) Iur接口）59釋放過(guò)程一般由 CN發(fā)起；當(dāng)然在 UE異常情況下， SRNC也可以請(qǐng)求釋放?；顒?dòng)集： “Active Set” Set of radio links simultaneously involved in a specific munication service between an User Equipment and a UTRAN access point軟切換相關(guān)概念45Node BRNCAirBridgeAirBridgeAirBridge軟切換流程示意圖46同頻 – 不同碼222。NAS信令建立流程37Iu接口上的 ALCAP建立過(guò)程有多次，允許同時(shí)建立多條用戶面的 RAB；用戶面建立完畢后， UE進(jìn)入通話過(guò)程。SRNC根據(jù) UE的狀態(tài)發(fā)送相應(yīng)的尋呼消息。登記過(guò)程結(jié)束。l 處于連接狀態(tài)的 UE必須而且只能有一個(gè) SRNC，可以有 0個(gè)或者多個(gè) DRNC19CRNCCRNCIubNode BCell Cell CellNode B...CNIul CRNC是對(duì)于某一個(gè) Node B(或者 Cell)來(lái)說(shuō)的l 直接和某 Node B相連接，對(duì)該 Node B資源的使用進(jìn)行控制的 RNC叫該 Node B的 Control RNCl 一個(gè) Node B有且只能有一個(gè) CRNCl CRNC對(duì)其控制的所有 Node B的資源進(jìn)行合理的分配和使用20Source RNC與 Target RNCCNCNSource RNCT
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