w(初級(jí))-wcdma無(wú)線網(wǎng)絡(luò)信令流程指導(dǎo)書(shū)-xxxx0407-a-10(存儲(chǔ)版)
【正文】 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Source RNC與 Target RNCCNCNSource RNCTargetRNCServingRNCIu IuIur RNCl SRNS Relocation就是將某個(gè) UE的 SRNC的角色由一個(gè) RNC轉(zhuǎn)到另外一個(gè) RNC的過(guò)程 .l SRNS Relocation前，該 UE的 SRNC (Serving RNC)叫 Source RNC， 即將承擔(dān) SRNC角色的目標(biāo) RNC叫 Target RNC.l Source RNC和 Target RNC是在一次 SRNS Relocation過(guò)程中對(duì)于不同 RNC的稱謂 .本章小結(jié)l 本章重點(diǎn)介紹了 UTRAN的一些基本概念。SRNC根據(jù) UE的狀態(tài)發(fā)送相應(yīng)的尋呼消息?；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Node BRNCAirBridgeAirBridgeAirBridge軟切換流程示意圖同頻 – 不同碼222。RRC釋放流程（ CCCH）第三章 基本信令流程l 呼叫總體流程呼叫總體流程l 網(wǎng)絡(luò)啟動(dòng)流程網(wǎng)絡(luò)啟動(dòng)流程l UE登記流程登記流程l 呼叫流程及軟、硬切換流程呼叫流程及軟、硬切換流程l 連接移動(dòng)性管理流程連接移動(dòng)性管理流程l 小區(qū)更新流程l URA更新流程l 系統(tǒng)間切換流程l SRNC Relocation流程連接移動(dòng)性管理流程l 前向切換 （ Forward Handover）是 UE發(fā)起的切換，包括 CELL UPDATE和 URA UPDATE過(guò)程。前向切換UE DRNCSource DRNCTarget SRNCRNSAP RNSAP8. Common Transp. Channel Resources ReleaseRNSAPRNSAP2. Uplink Signalling TransferIndicationRNSAP3. Common Transp. Channel ResourcesInitialization RequestRNSAPRRC 1. CCCH: Cell Update RRCrelayRRC6. DCCH: Cell Update ConfirmRRCRRC7. DCCH: RNTI Relocation CompleteRRCRNSAPRNSAP4. Common Transp. Channel Resourcesinitialization Response5. ALCAP Iur bearer setup小區(qū)更新流程UE TargetRNC: URA Update ConfirmSourceRNC Signalling Transfer IndicationServingRNC[new CRNTI,DRNTI, UL message]: URA Update[URNTI, URA update cause]RRCrelayRRC3. Decision Not toperform SRNSrelocation RRC RRCrelayRNSAPRNSAP4. Downlink Signalling Transfer RequestRNSAPRNSAPURA更新流程MAP/E MAP/E2. PrepareHandoverBSSMAP BSSMAP4. Handover Reuqest AckRANAP RANAP13. Iu ReleaseCompleteBSSMAP BSSMAP3. Handover RequestMAP/E MAP/E5. Prepare Handover ResponseRANAP RANAP6. Relocation CommandBSSMAP BSSMAP8. Handover DetectBSSMAP BSSMAP10. Handover CompleteMAP/E MAP/E11. Send End Signal RequestMAP/E MAP/E14. Send End Signal ResponseRANAP RANAP1. Relocation RequiredUE Node BRNCServing CN MSC BSC BTSRRC
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