006TD-SCDMA 無線網(wǎng)絡(luò)信令流程

1、Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. TD-SCDMA無線網(wǎng)絡(luò)信令流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 1培訓(xùn)目標(biāo)l學(xué)完本課程后，您應(yīng)該能：p了解TD-SCDMA無線網(wǎng)絡(luò)各接口的協(xié)議棧結(jié)構(gòu)p列出UE在不同場景下的工作模式和工作狀態(tài)p畫出TD-SCDMA無線網(wǎng)絡(luò)呼叫流程圖，并列出主要信令消息p知道硬切換和接力切換在信令流程上的區(qū)別Copyright 2006 Huawei Technologies

2、 Co., Ltd. All rights reserved. Page 2目 錄l TD-SCDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程2.4 呼叫流程2.5 切換流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 3目 錄l TD-SCDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程2.4 呼叫流程2.5 切換流程Cop

3、yright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 4TD-SCDMA系統(tǒng)結(jié)構(gòu)UuCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 5 Uu接口協(xié)議結(jié)構(gòu)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 6無線接口MAC子層功能l邏輯信道和傳輸信道的映射l根據(jù)瞬時數(shù)據(jù)速率選擇傳輸格式lUE內(nèi)不同數(shù)據(jù)流的優(yōu)先級處理；UE之間優(yōu)先級的動

4、態(tài)調(diào)度l業(yè)務(wù)量測量l動態(tài)傳輸信道類型切換l加密：無線接口加密，加密方法采用國家安全局給定的方法Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 7無線接口RLC子層功能l數(shù)據(jù)分段、重組、串聯(lián)、填充l差錯糾正（ARQ）l流量控制l協(xié)議錯誤檢測和恢復(fù)l加密：選擇加密密鑰（ CK ）Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 8PDCP子層和BMC子層功能lPDCP（Packet Data Convergence

5、 Protocol）p分組數(shù)據(jù)匯聚層協(xié)議pIP數(shù)據(jù)流的頭部壓縮與解壓縮，提高傳輸效率lBMC（Broadcast/Multicast Control protocol）p廣播/多播控制協(xié)議p小區(qū)廣播消息的存儲和發(fā)送Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 9TD-SCDMA地面接口通用協(xié)議模型lTD-SCDMA采用ATM做為地面接口傳輸承載技術(shù)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 10Iub接

6、口協(xié)議棧結(jié)構(gòu)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 11lNBAP 基本過程分為公共過程和專用過程，分別對應(yīng)公共鏈路和專用鏈路的信令過程p公共NBAP（NCP）主要功能n小區(qū)初始化及TDD 模式下的小區(qū)同步控制n公共傳輸信道控制和TDD 模式下共享信道配置p專用NBAP（CCP）主要功能n為特定的UE 增加、釋放以及重新配置無線鏈路n專用信道控制Iub接口控制平面NBAPCopyright 2006 Huawei Technologies Co., Ltd. All rights reserv

7、ed. Page 12lIub用戶平面FP是傳輸Iub 接口上的傳輸信道數(shù)據(jù)流的協(xié)議p主要功能是把無線接口的幀轉(zhuǎn)化成Iub 接口的數(shù)據(jù)幀，同時產(chǎn)生一些控制幀進(jìn)行相應(yīng)的控制l傳輸信道包含公共傳輸信道和專用傳輸信道，它們對應(yīng)的幀結(jié)構(gòu)略有不同p凈負(fù)荷里面的內(nèi)容不同p專用信道數(shù)據(jù)幀中攜帶QE（質(zhì)量估計(jì)），用于外環(huán)功率控制Iub接口用戶平面FPCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 13Iu-CS接口協(xié)議棧結(jié)構(gòu)Copyright 2006 Huawei Technologies Co., Ltd. Al

8、l rights reserved. Page 14Iu-PS接口協(xié)議棧結(jié)構(gòu)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 15Iur接口協(xié)議棧結(jié)構(gòu)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 16目 錄l TD-SCDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程2.4 呼叫流程2.5 切換流程Copyrigh

9、t 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 17常用術(shù)語：RAB無線接入承載 ，RB，RL無線鏈路 RABRBRLNodeBRNCCNUECopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 18基本概念：UE的工作模式lUE有兩種基本的運(yùn)行模式：空閑模式和連接模式p空閑模式：UE處于待機(jī)狀態(tài)，沒有業(yè)務(wù)的存在p連接模式：當(dāng)UE完成RRC連接建立時，從空閑模式轉(zhuǎn)移到連接模式；在連接模式下，UE有4種狀態(tài)nCell-DCH適用場景

10、：連續(xù)或大量的數(shù)據(jù)傳輸，如打電話、下載nCell-FACH適用場景：少量的數(shù)據(jù)傳輸，如信令、短消息nCell-PCH適用場景：非連續(xù)業(yè)務(wù)（如網(wǎng)頁瀏覽）且UE移動速度“慢”nURA-PCH適用場景：非連續(xù)業(yè)務(wù)，且UE移動速度“快”Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 19CELL_DCHCELL_FACHCELL_PCHURA_PCHIDLEDEAD搜索網(wǎng)絡(luò)(PLMN)“駐扎”小區(qū)(camp on)偵聽尋呼信道小區(qū)重選ConnectionUE狀態(tài)示意圖Copyright 2006 Huawei

11、 Technologies Co., Ltd. All rights reserved. Page 20第三步RRC連接建立第八步重新待機(jī)1.小區(qū)選擇2.等待呼叫第六步業(yè)務(wù)進(jìn)行過程中呼叫總體流程硬切換接力切換與GSM之間切換小區(qū)更新URA更新RAB/信道重配置網(wǎng)絡(luò)側(cè)啟動1.初始化設(shè)備2.進(jìn)行系統(tǒng)廣播第二步主叫或被呼第五步RAB建立第四步NAS信令連接建立第七步RRC連接釋放第一步手機(jī)開機(jī)1.PLMN選擇 2.小區(qū)駐留3.位置登記4.等待呼叫Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 21目 錄l

12、TD-SCDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程2.4 呼叫流程2.5 切換流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 22. 3.BCCH:System Information1.System Information Update RequestUENode BRNCCNNBAPNBAPRRCRRC. 4.BCCH:System InformationRRCRRC 5.BCCH:System I

13、nformationRRCRRC2.System Information Update ResponseNBAPNBAP系統(tǒng)信息廣播流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 23系統(tǒng)消息塊結(jié)構(gòu)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 24系統(tǒng)消息主要功能lMIB：PLMN標(biāo)識及SB (schedule block)/SIB (system info block)的調(diào)度信息lSB1、SB2：SI

14、B的調(diào)度信息lSIB1：NAS層的系統(tǒng)信息和UE定時器/計(jì)數(shù)器lSIB2：URA的信息lSIB3：用于小區(qū)選擇和重選的參數(shù)lSIB4：連接模式下用于小區(qū)選擇和重選的參數(shù)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 25系統(tǒng)消息主要功能lSIB5：用于小區(qū)公共物理信道配置的參數(shù)lSIB6：連接模式下用于小區(qū)公共物理信道配置的參數(shù)lSIB7：上行鏈路干擾和動態(tài)持續(xù)電平等信息lSIB8、SIB9、SIB10：用于WCDMA系統(tǒng)lSIB11：測量控制信息，即鄰區(qū)列表lSIB12：連接模式下的測量控制信息，即

15、鄰區(qū)列表Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 26系統(tǒng)消息主要功能lSIB13、SIB14：用于WCDMA系統(tǒng)lSIB15：用于定位業(yè)務(wù)的信息lSIB16：GSMTD-SCDMA系統(tǒng)間切換所需要的預(yù)配置信息lSIB17：連接模式下共享物理信道的配置信息（TDD）lSIB18：鄰近小區(qū)PLMN信息，用于運(yùn)營商網(wǎng)絡(luò)共享Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 27目 錄l TD-SCDMA無線網(wǎng)絡(luò)

16、接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程登記流程2.3 尋呼流程2.4 呼叫流程2.5 切換流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 28UE為登記發(fā)起RRC連接建立RNC決定在公共信道公共信道上建立RRC連接，并且使用已經(jīng)配置好的公共信道資源RRC建立流程（在公共信道CCH上）RRC Connection RequestRRC Connection SetupRRC Connection Setup CompleteNodeBRNCUE

17、Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 29UE與CN之間交換DT消息，此處是位置更新消息NAS信令建立流程RRC: Initial Direct TransferRRC: DTRANAP: Initial UE MessageRNCCNUERANAP: DTRRC: DTRANAP: DTCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 30 CN UE DT (Location Updating R

18、equest) ( Location Updating Type: Normal location updating ) DT (Location Updating Accept ) DT (TMSI reallocation complete) 正常位置更新過程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 31 CN UE DT (Location Updating Request) ( Location Updating Type: Period updating ) DT (Location

19、Updating Accept ) DT (TMSI reallocation complete) 周期性位置更新過程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 32 CN UE DT (Location Updating Request) ( Location Updating Type: IMSI Attach) DT (Location Updating Accept ) DT (TMSI reallocation complete) IMSI ATTACHCopyright 2006 Hu

20、awei Technologies Co., Ltd. All rights reserved. Page 33RRC釋放流程（在公共信道CCH上）RRC: RRC Connection Release CompleteRNCCNUEIu Release CompleteRRC: RRC Connection ReleaseIu Release CommandUE在登記過程中，沒有使用專用的用戶面資源；直接釋放信令鏈路，登記過程結(jié)束Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 34目 錄l TD-S

21、CDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程尋呼流程2.4 呼叫流程2.5 切換流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 35CN發(fā)起的尋呼流程l空閑模式空閑模式下的尋呼，采用尋呼類型尋呼類型1 （Paging Type 1）MSC或或SGSNUENodeB1RNC1NodeB2RNC2 PagingPaging Type1 Paging Type1 PagingRANAPRANAPRANAPRANAPRRCR

22、RCRRCCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 36CN發(fā)起的尋呼流程l連接模式連接模式下的尋呼，采用尋呼類型尋呼類型2 （Paging Type 2）MSC或或SGSNUE PagingPaging Type2 RANAPRRCNodeB1RNC1RANAPRRCCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 37RAN發(fā)起的尋呼流程UEPaging Type1 RRCNodeB1RNC1RRCl

23、場景1：系統(tǒng)消息發(fā)生改變后，通知UE讀取更新后的系統(tǒng)信息l場景2：觸發(fā)處于CELL_PCH、URA_PCH狀態(tài)下的UE進(jìn)行狀態(tài)遷移p做為對該尋呼的應(yīng)答，UE會相應(yīng)的發(fā)起一次小區(qū)更新或URA更新Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 38目 錄l TD-SCDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程2.4 呼叫流程呼叫流程2.5 切換流程Copyright 2006 Huawei Technologies Co.,

24、 Ltd. All rights reserved. Page 39UE為呼叫發(fā)起RRC連接建立，RNC決定在專用信道專用信道上建立RRC連接RRC建立流程（在專用信道DCH上）RRC Connection RequestRRC Connection SetupRRC Connection Setup CompleteRadio Link Setup RequestRadio Link Setup ResponseNodeBRNCUEERQ (AAL2_EST_Request)ECF (AAL2_EST_Confirm)Copyright 2006 Huawei Technologies Co

25、., Ltd. All rights reserved. Page 40NAS信令建立流程UE與與CN之間交換之間交換DT消息，如業(yè)務(wù)請求、連接建立、鑒權(quán)等消息，如業(yè)務(wù)請求、連接建立、鑒權(quán)等鑒權(quán)、安全模式是可選過程，由運(yùn)營決定是否使用RRC: Initial Direct TransferRRC: DTRANAP: Initial UE MessageRNCCNUERANAP: DTRRC: DTRANAP: DTCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 41UEMSCRRC and NAS s

26、ignaling Connection Setup UEMSCRRC and NAS signaling Connection Setup UE 做被叫做被叫UE 做主叫做主叫CM Service RequestAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment SetupCall Proceeding Alerting Connect Connect ACKDisconnectReleaseRelease CompletePaging Re

27、sponseAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment SetupCall Confirmed Alerting Connect Connect ACKDisconnectReleaseRelease CompletePagingNAS層信令（CS）Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 42UESGSNRRC and NAS sig

28、naling Connection Setup UESGSNPagingRRC and NAS signaling Connection Setup Service RequestAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment Activate PDP Context RequestActivate PDP Context AcceptDeactivate PDP Context RequestDeactivate PDP Context

29、 AcceptPaging ResponseAuthentication RequestAuthentication ResponseSecurity Mode Command Security Mode CommandRAB Assignment Request PDP Context ActivationActivate PDP Context RequestActivate PDP Context AcceptDeactivate PDP Context RequestDeactivate PDP Context AcceptNAS層信令（PS）UE 做被叫做被叫UE 做主叫做主叫Cop

30、yright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 43NodeBUECNRNCRAB Ass ReqAAL2 Setup ReqAAL2 Setup RepRB SetupRB Setup CompleteRAB Ass RepRRCRRCNBAPNBAPQ.AAL2Q.AAL2FPFPNBAPRANAPQ.AAL2Q.AAL2NBAPNBAPQ.AAL2Q.AAL2FPFPRRCNBAPRRCRANAPRANAPQ.AAL2Q.AAL2RANAPRL Recfg PrepRL Recfg ReadyAAL2

31、 Setup ReqAAL2 Setup RepDL SyncUL SyncRL Recfg CommitRAB承載通道建立流程Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 44UE to UE (1)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 45UE to UE (2)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved.

32、Page 46UE to UE (3)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 47UE to UE (4)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 48UE to UE (5)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 49UE to UE (6)Copyright 2006 Huawei Tech

33、nologies Co., Ltd. All rights reserved. Page 50UE to UE (7)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 51UE發(fā)起的PDP激活 (1)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 52UE發(fā)起的PDP激活 (2)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. P

34、age 53網(wǎng)絡(luò)側(cè)發(fā)起的PDP激活 (1)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 54網(wǎng)絡(luò)側(cè)發(fā)起的PDP激活 (2)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 55目 錄l TD-SCDMA無線網(wǎng)絡(luò)接口協(xié)議棧結(jié)構(gòu)l TD-SCDMA無線網(wǎng)絡(luò)基本信令流程2.1 網(wǎng)絡(luò)啟動流程2.2 UE登記流程2.3 尋呼流程2.4 呼叫流程2.5 切換流程切換流程Copyright 2006 Huawei Tech

35、nologies Co., Ltd. All rights reserved. Page 56硬切換：Inter-cell/Intra-NodeBRNCUENodeBCommunicating Measurement ReportDecide to HORadio Link Setup RequestRadio Link Setup ResponseERQ (AAL2_EST_REQ)ECF (AAL2_EST_CFM)Voice Data (via old cell)Physical Channel Reconfiguration (via old cell)Copyright 2006 H

36、uawei Technologies Co., Ltd. All rights reserved. Page 57硬切換：Inter-cell/Intra-NodeBRNCUENodeB Physical Channel Reconfiguration Complete (via new cell)Radio Link Deletion RequestRadio Link RestorationREL (AAL2_REL_REQ)RLC (AAL2_REL_CFM)Radio Link Deletion ResponseCommunicatingSYNC UL (to new cell)FPA

37、CH (from new cell)Voice Data (to new cell, after active time)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 58硬切換：Inter-NB /Intra-RNCRNCUECommunicating Measurement ReportDecide to HORadio Link Setup RequestRadio Link Setup ResponseERQ (AAL2_EST_REQ)ECF (AAL2_EST_CFM)Voice Dat

38、a (via old cell)Physical Channel Reconfiguration (via SNB)SNBTNBCopyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 59SNBTNB硬切換：Inter-NB /Intra-RNCRNCUE Physical Channel Reconfiguration Complete (via TNB)Radio Link Deletion RequestRadio Link RestorationREL (AAL2_REL_REQ)RLC (AAL2_REL_CFM)Radio Link Deletion ResponseCommunicatingSYNC ULFPACHVoice Data (to TNB, after active time)Copyright 2006 Huawei Technologies Co., Ltd. All rights reserved. Page 60接力切換：Inter-cell/Intra-NodeBRNCUENodeBCommunicating Measurement ReportDecide to HORadio Link Addition RequestRa