04TD-SCDMA無線網(wǎng)絡(luò)信令流程
Page,*,單擊此處編輯母版標(biāo)題樣式,單擊此處編輯母版文本樣式,第二級(jí),第三級(jí),第四級(jí),第五級(jí),Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved.,Page,67,謝謝,TD-SCDMA無線網(wǎng)絡(luò)信令流程,培訓(xùn)目標(biāo),學(xué)完本課程后,,您,您應(yīng)該能:,了解TD-SCDMA無線網(wǎng)絡(luò),各,各接口的協(xié)議棧,結(jié),結(jié)構(gòu),列出UE在不同,場(chǎng),場(chǎng)景下的工作模,式,式和工作狀態(tài),畫出TD-SCDMA無線網(wǎng)絡(luò),呼,呼叫流程圖,并,列,列出主要信令消,息,息,知道硬切換和接,力,力切換在信令流,程,程上的區(qū)別,目 錄,TD-SCDMA無線網(wǎng)絡(luò)接口,協(xié),協(xié)議棧結(jié)構(gòu),TD-SCDMA無線網(wǎng)絡(luò)基本,信,信令流程,2.1 網(wǎng)絡(luò)啟,動(dòng),動(dòng)流程,2.2 UE登,記,記流程,2.3 尋呼流,程,程,2.4 呼叫流,程,程,2.5 切換流,程,程,目 錄,TD-SCDMA無線網(wǎng)絡(luò)接口,協(xié),協(xié)議棧結(jié)構(gòu),TD-SCDMA無線網(wǎng)絡(luò)基本,信,信令流程,2.1 網(wǎng)絡(luò)啟,動(dòng),動(dòng)流程,2.2 UE登,記,記流程,2.3 尋呼流,程,程,2.4 呼叫流,程,程,2.5 切換流,程,程,TD-SCDMA系統(tǒng)結(jié)構(gòu),Uu,Uu接口協(xié)議結(jié),構(gòu),構(gòu),無線接口MAC,子,子層功能,邏輯信道和傳輸,信,信道的映射,根據(jù)瞬時(shí)數(shù)據(jù)速,率,率選擇傳輸格式,UE內(nèi)不同數(shù)據(jù),流,流的優(yōu)先級(jí)處理,;,;UE之間優(yōu)先,級(jí),級(jí)的動(dòng)態(tài)調(diào)度,業(yè)務(wù)量測(cè)量,動(dòng)態(tài)傳輸信道類,型,型切換,加密:無線接口,加,加密,加密方法,采,采用國(guó)家安全局,給,給定的方法,無線接口RLC,子,子層功能,數(shù)據(jù)分段、重組,、,、串聯(lián)、填充,差錯(cuò)糾正(ARQ),流量控制,協(xié)議錯(cuò)誤檢測(cè)和,恢,恢復(fù),加密:選擇加密,密,密鑰( CK,),),PDCP子層和BMC子層功能,PDCP(Packet Data ConvergenceProtocol),分組數(shù)據(jù)匯聚層,協(xié),協(xié)議,IP數(shù)據(jù)流的頭,部,部壓縮與解壓縮,,,,提高傳輸效率,BMC(Broadcast/Multicast Control protocol),廣播/多播控制,協(xié),協(xié)議,小區(qū)廣播消息的,存,存儲(chǔ)和發(fā)送,TD-SCDMA地面接口通用,協(xié),協(xié)議模型,TD-SCDMA采用ATM做,為,為地面接口傳輸,承,承載技術(shù),什么是ATM?,ATM:異步轉(zhuǎn),移,移模式,一種快速分組交,換,換技術(shù)、采用統(tǒng),計(jì),計(jì)復(fù)用方式,一種結(jié)合了電路,交,交換和分組交換,的,的各自優(yōu)點(diǎn)的技,術(shù),術(shù),能傳送各種類型,的,的業(yè)務(wù)(話音、,數(shù),數(shù)據(jù)、圖像等),,分組交換,分組交換,分組交換,1,2,3,1,2,3,1,3,2,2,1,3,2,2,1,3,1,2,3,1,2,3,分組交換,分組交換,分組交換,分組交換,分組交換,分組交換,分組交換,1,2,3,1,2,3,1,3,2,2,1,3,2,2,1,3,1,2,3,1,2,3,分組交換,分組交換,分組交換,分組交換,AAL適配方式,分,分類,在TD-SCDMA 系統(tǒng)中,,主,主要使用AAL2承載和AAL5承載,業(yè)務(wù),定時(shí)方式,連接方式,適配類型,CBR,同步,面向連接,AAL1,VBR-RT,VBR-NRT,同步,面向連接,AAL2,UBR,異步,面向連接,AAL3/4,UBR,異步,無連接,AAL5,Iub接口協(xié)議,棧,棧結(jié)構(gòu),NBAP 基本,過,過程分為公共過,程,程和專用過程,,分,分別對(duì)應(yīng)公共鏈,路,路和專用鏈路的,信,信令過程,公共NBAP(NCP)主要功,能,能,小區(qū)初始化及TDD 模式下的,小,小區(qū)同步控制,公共傳輸信道控,制,制和TDD 模,式,式下共享信道配,置,置,專用NBAP(CCP)主要功,能,能,為特定的UE,增,增加、釋放以及,重,重新配置無線鏈,路,路,專用信道控制,Iub接口控制,平,平面NBAP,Iub用戶平面FP是傳輸Iub 接口上的傳,輸,輸信道數(shù)據(jù)流的,協(xié),協(xié)議,主要功能是把無,線,線接口的幀轉(zhuǎn)化,成,成Iub 接口,的,的數(shù)據(jù)幀,同時(shí),產(chǎn),產(chǎn)生一些控制幀,進(jìn),進(jìn)行相應(yīng)的控制,傳輸信,道,道包含,公,公共傳,輸,輸信道,和,和專用,傳,傳輸信,道,道,它,們,們對(duì)應(yīng),的,的幀結(jié),構(gòu),構(gòu)略有,不,不同,凈負(fù)荷,里,里面的,內(nèi),內(nèi)容不,同,同,專用信,道,道數(shù)據(jù),幀,幀中攜,帶,帶QE,(,(質(zhì)量,估,估計(jì)),,,,用于,外,外環(huán)功,率,率控制,Iub,接,接口用,戶,戶平面FP,Iu-CS接,口,口協(xié)議,棧,棧結(jié)構(gòu),Iu-PS接,口,口協(xié)議,棧,棧結(jié)構(gòu),Iur,接,接口協(xié),議,議棧結(jié),構(gòu),構(gòu),目,錄,錄,TD-SCDMA無,線,線網(wǎng)絡(luò),接,接口協(xié),議,議棧結(jié),構(gòu),構(gòu),TD-SCDMA無,線,線網(wǎng)絡(luò),基,基本信,令,令流程,2.1,網(wǎng),網(wǎng)絡(luò),啟,啟動(dòng)流,程,程,2.2UE,登,登記流,程,程,2.3,尋,尋呼,流,流程,2.4,呼,呼叫,流,流程,2.5,切,切換,流,流程,常用術(shù),語(yǔ),語(yǔ):RAB,RB,RL,,,RAB,RB,RL,NodeB,RNC,CN,UE,,基本概,念,念:UE的工,作,作模式,UE有,兩,兩種基,本,本的運(yùn),行,行模式,:,:空閑,模,模式和,連,連接模,式,式,空閑模,式,式:UE處于,待,待機(jī)狀,態(tài),態(tài),沒,有,有業(yè)務(wù),的,的存在,連接模,式,式:當(dāng)UE完,成,成RRC連接,建,建立時(shí),,,,從空,閑,閑模式,轉(zhuǎn),轉(zhuǎn)移到,連,連接模,式,式;在,連,連接模,式,式下,UE有4種狀,態(tài),態(tài),Cell-DCH適,用,用場(chǎng)景,:,:連續(xù),或,或大量,的,的數(shù)據(jù),傳,傳輸,,如,如打電,話,話、下,載,載,Cell-FACH,適,適用場(chǎng),景,景:少,量,量的數(shù),據(jù),據(jù)傳輸,,,,如信,令,令、短,消,消息,Cell-PCH適,用,用場(chǎng)景,:,:非連,續(xù),續(xù)業(yè)務(wù),(,(如網(wǎng),頁(yè),頁(yè)瀏覽,),)且UE移動(dòng),速,速度“,慢,慢”,URA-PCH適用,場(chǎng),場(chǎng)景:,非,非連續(xù),業(yè),業(yè)務(wù),,且,且UE,移,移動(dòng)速,度,度“快,”,”,CELL_DCH,CELL_FACH,CELL_PCH,URA_PCH,IDLE,DEAD,搜索網(wǎng),絡(luò),絡(luò)(,PLMN),“駐扎,”,”小區(qū)(,camp on),偵聽,尋呼信,道,道,小區(qū)重,選,選,C,onnection,UE狀,態(tài),態(tài)示意,圖,圖,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,體流程,硬切換,接力切,換,換,與GSM之間,切,切換,小區(qū)更,新,新,URA,更,更新,RAB/信道,重配置,網(wǎng)絡(luò)側(cè),啟,啟動(dòng),1.初,始,始化設(shè),備,備,2.進(jìn),行,行系統(tǒng),廣,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,目,錄,錄,TD-SCDMA無,線,線網(wǎng)絡(luò),接,接口協(xié),議,議棧結(jié),構(gòu),構(gòu),TD-SCDMA無,線,線網(wǎng)絡(luò),基,基本信,令,令流程,2.1,網(wǎng),網(wǎng)絡(luò),啟,啟動(dòng)流,程,程,2.2UE,登,登記流,程,程,2.3,尋,尋呼,流,流程,2.4,呼,呼叫,流,流程,2.5,切,切換,流,流程,.,3.BCCH:System Information,1.SystemInformationUpdateRequest,UE,Node B,RNC,CN,NBAP,NBAP,RRC,RRC,.,4.BCCH:System Information,RRC,RRC,5.BCCH:System Information,RRC,RRC,2.SystemInformationUpdateRe,NBAP,NBAP,系統(tǒng)信息廣,播,播流程,系統(tǒng)消息塊,結(jié),結(jié)構(gòu),系統(tǒng)消息主,要,要功能,MIB:PLMN標(biāo)識(shí),及,及SB (schedule block)/SIB(system info block)的,調(diào),調(diào)度信息,SB1、SB2:SIB的調(diào)度信,息,息,SIB1:NAS層的,系,系統(tǒng)信息和UE定時(shí)器/計(jì)數(shù)器,SIB2:URA的信,息,息,SIB3:,用,用于小區(qū)選,擇,擇和重選的,參,參數(shù),SIB4:,連,連接模式下,用,用于小區(qū)選,擇,擇和重選的,參,參數(shù),系統(tǒng)消息主,要,要功能,SIB5:,用,用于小區(qū)公,共,共物理信道,配,配置的參數(shù),SIB6:,連,連接模式下,用,用于小區(qū)公,共,共物理信道,配,配置的參數(shù),SIB7:,上,上行鏈路干,擾,擾和動(dòng)態(tài)持,續(xù),續(xù)電平等信,息,息,SIB8、SIB9、SIB10,:,:用于WCDMA系統(tǒng),SIB11,:,:測(cè)量控制,信,信息,即鄰,區(qū),區(qū)列表,SIB12,:,:連接模式,下,下的測(cè)量控,制,制信息,即,鄰,鄰區(qū)列表,系統(tǒng)消息主,要,要功能,SIB13,、,、SIB14:用于WCDMA系,統(tǒng),統(tǒng),SIB15,:,:用于定位,業(yè),業(yè)務(wù)的信息,SIB16,:,:GSM-TD-SCDMA系統(tǒng),間,間切換所需,要,要的預(yù)配置,信,信息,SIB17,:,:連接模式,下,下共享物理,信,信道的配置,信,信息(TDD),SIB18,:,:鄰近小區(qū)PLMN信,息,息,用于運(yùn),營(yíng),營(yíng)商網(wǎng)絡(luò)共,享,享,目 錄,TD-SCDMA無線,網(wǎng),網(wǎng)絡(luò)接口協(xié),議,議棧結(jié)構(gòu),TD-SCDMA無線,網(wǎng),網(wǎng)絡(luò)基本信,令,令流程,2.1 網(wǎng),絡(luò),絡(luò)啟動(dòng)流程,2.2 UE登記流程,2.3 尋,呼,呼流程,2.4 呼,叫,叫流程,2.5 切,換,換流程,UE為登記,發(fā),發(fā)起RRC,連,連接建立,RNC決定,在,在,公共信道,上建立RRC連接,并,且,且使用已經(jīng),配,配置好的公,共,共信道資源,RRC建立,流,流程(在公,共,共信道CCH上),RRC ConnectionRequest,RRC ConnectionSetup,RRC ConnectionSetupComplete,NodeB,,RNC,UE,UE與CN,之,之間交換DT消息,此,處,處是位置更,新,新消息,NAS信令,建,建立流程,RRC:Initial DirectTransfer,RRC:DT,RANAP: InitialUE Message,RNC,,CN,UE,RANAP: DT,RRC:DT,RANAP: DT,正常位置更,新,新過程,周期性位置,更,更新過程,IMSIATTACH,RRC釋放,流,流程(在公,共,共信道CCH上),RRC:RRC ConnectionRelease Complete,RNC,,CN,UE,Iu ReleaseComplete,RRC:RRC ConnectionRelease,Iu ReleaseCommand,UE在登記,過,過程中,沒,有,有使用專用,的,的用戶面資,源,源;,直接釋放信,令,令鏈路,登,記,記過程結(jié)束,目 錄,TD-SCDMA無線,網(wǎng),網(wǎng)絡(luò)接口協(xié),議,議棧結(jié)構(gòu),TD-SCDMA無線,網(wǎng),網(wǎng)絡(luò)基本信,令,令流程,2.1 網(wǎng),絡(luò),絡(luò)啟動(dòng)流程,2.2 UE登記流程,2.3 尋,呼,呼流程,2.4 呼,叫,叫流程,2.5 切,換,換流程,CN發(fā)起的,尋,尋呼流程,空閑模式,下的尋呼,,采,采用,尋呼類型1,(Paging Type 1),MSC或SGSN,UE,NodeB1,RNC1,NodeB2,RNC2,Paging,Paging Type1,Paging Type1,Paging,RANAP,RANAP,RANAP,RANAP,RRC,RRC,RRC,CN發(fā)起的,尋,尋呼流程,連接模式,下的尋呼,,采,采用,尋呼類型2,(Paging Type 2),MSC或SGSN,UE,Paging,Paging Type2,RANAP,RRC,NodeB1,RNC1,RANAP,RRC,RAN發(fā)起,的,的尋呼流程,UE,Paging Type1,RRC,NodeB1,RNC1,RRC,場(chǎng)景1:系,統(tǒng),統(tǒng)消息發(fā)生,改,改變后,通,知,知UE讀取,更,更新后的系,統(tǒng),統(tǒng)信息,場(chǎng)景2:觸,發(fā),發(fā)處于CELL_PCH、URA_PCH狀,態(tài),態(tài)下的UE,進(jìn),進(jìn)行狀態(tài)遷,移,移,做為對(duì)該尋,呼,呼的應(yīng)答,UE會(huì)相應(yīng),的,的發(fā)起一次,小,小區(qū)更新或URA更新,目 錄,TD-SCDMA無線,網(wǎng),網(wǎng)絡(luò)接口協(xié),議,議棧結(jié)構(gòu),TD-SCDMA無線,網(wǎng),網(wǎng)絡(luò)基本信,令,令流程,2.1 網(wǎng),絡(luò),絡(luò)啟動(dòng)流程,2.2 UE登記流程,2.3 尋,呼,呼流程,2.4 呼,叫,叫流程,2.5 切,換,換流程,UE為呼叫,發(fā),發(fā)起RRC,連,連接建立,RNC決定,在,在,專用信道,上建立RRC連接,RRC建立,流,流程(在專,用,用信道DCH上),RRC ConnectionRequest,RRC ConnectionSetup,RRC ConnectionSetupComplete,RadioLinkSetup Request,RadioLinkSetup Response,NodeB,,RNC,UE,ERQ (AAL2_EST_Request),ECF (AAL2_EST_Confirm),NAS信令,建,建立流程,UE與CN,之,之間交換DT消息,如,業(yè),業(yè)務(wù)請(qǐng)求、,連,連接建立、,鑒,鑒權(quán)等,鑒權(quán)、安全,模,模式是可選,過,過程,由運(yùn),營(yíng),營(yíng)決定是否,使,使用,RRC:Initial DirectTransfer,RRC:DT,RANAP: InitialUE Message,RNC,,CN,UE,RANAP: DT,RRC:DT,RANAP: DT,UE,MSC,RRC and NAS signaling Connection Setup,UE,MSC,RRC and NAS signaling Connection Setup,UE 做被,叫,叫,UE 做主,叫,叫,CM ServiceRequest,AuthenticationRequest,AuthenticationResponse,Security Mode Command,Security Mode Command,RAB Assignment,Setup,CallProceeding,Alerting,Connect,ConnectACK,Disconnect,Release,ReleaseComplete,Paging Response,Authentication Request,Authentication Response,SecurityMode Command,SecurityMode Command,RABAssignment,Setup,CallConfirmed,Alerting,Connect,ConnectACK,Disconnect,Release,ReleaseComplete,Paging,NAS層,信,信令(CS),UE,SGSN,RRCandNASsignaling ConnectionSetup,UE,SGSN,Paging,RRCandNASsignaling ConnectionSetup,ServiceRequest,Authentication Request,Authentication Response,SecurityMode Command,SecurityMode Command,RABAssignment,ActivatePDPContextRequest,ActivatePDPContextAccept,Deactivate PDP Context Request,Deactivate PDP ContextAccept,Paging Response,Authentication Request,Authentication Response,SecurityMode Command,SecurityMode Command,RABAssignment,RequestPDPContextActivation,ActivatePDPContextRequest,ActivatePDPContextAccept,Deactivate PDP Context Request,Deactivate PDP ContextAccept,NAS層,信,信令(PS),UE 做,被,被叫,UE 做,主,主叫,NodeB,UE,CN,RNC,RABAssReq,AAL2Setup Req,AAL2Setup Rep,RB Setup,RB SetupComplete,RABAssRep,RRC,RRC,NBAP,NBAP,Q.AAL2,Q.AAL2,FP,FP,NBAP,RANAP,Q.AAL2,Q.AAL2,NBAP,NBAP,Q.AAL2,Q.AAL2,FP,FP,RRC,NBAP,RRC,RANAP,RANAP,Q.AAL2,Q.AAL2,RANAP,RL RecfgPrep,RL RecfgReady,AAL2Setup Req,AAL2Setup Rep,DL Sync,UL Sync,RL RecfgCommit,RAB承,載,載通道建,立,立流程,UE to UE(1),UE to UE(2),UE to UE(3),UE to UE(4),UE to UE(5),UE to UE(6),UE to UE(7),UE發(fā)起,的,的PDP,激,激活 (1),UE發(fā)起,的,的PDP,激,激活 (2),網(wǎng)絡(luò)側(cè)發(fā),起,起的PDP激活(1),,網(wǎng)絡(luò)側(cè)發(fā),起,起的PDP激活(2),目 錄,TD-SCDMA,無,無線網(wǎng)絡(luò),接,接口協(xié)議,棧,棧結(jié)構(gòu),TD-SCDMA,無,無線網(wǎng)絡(luò),基,基本信令,流,流程,2.1,網(wǎng),網(wǎng)絡(luò)啟動(dòng),流,流程,2.2UE登記,流,流程,2.3,尋,尋呼流程,2.4,呼,呼叫流程,2.5,切,切換流程,硬切換:Inter-cell/Intra-NodeB,RNC,UE,,NodeB,Communicating,MeasurementReport,Decide to HO,Radio Link Setup,Radio Link SetupResponse,ERQ(AAL2_EST_REQ),ECF(AAL2_EST_CFM),Voice Data (viaoldcell),PhysicalChannelReconfiguration(via old cell),硬切換:Inter-cell/Intra-NodeB,RNC,UE,,NodeB,PhysicalChannelReconfigurationComplete (via new cell),Radio Link DeletionRequest,Radio Link R,REL(AAL2_REL_REQ),RLC(AAL2_REL_CFM),RadioLinkDeletionResponse,Communicating,SYNCUL(tonewcell),FPACH(fromnewcell),VoiceData(tonewcell,afteractivetime),硬切,換,換:Inter-NB/Intra-RNC,RNC,UE,,Communic,at,ing,MeasurementReport,DecidetoHO,RadioLinkSetupRequest,RadioLinkSetupResponse,ERQ(AAL2_EST_REQ),ECF(AAL2_EST_,CF,M),VoiceData(viaoldcell),PhysicalChannelReconfiguration(viaSNB),SNB,TNB,SNB,TNB,硬切,換,換:Inter-NB/Intra-RNC,RNC,UE,,PhysicalChannelReconfigurationComplete(viaTNB),RadioLinkDeletionRequest,RadioLinkRestoration,REL(A,RLC(AAL2_REL_CFM),RadioLinkDeletionResponse,Communicating,SYNCUL,FPACH,VoiceData(toTNB,afteractivetime),接力,切,切換,:,:Inter-cell/Intra-NodeB,RNC,UE,,NodeB,Communicating,MeasurementReport,DecidetoHO,RadioLinkAdditionRe,RadioLinkAdditionResp,on,se,ERQ(AAL2_EST_REQ),ECF(AAL2_EST_CFM),VoiceData(viaoldcellandnewcell),PhysicalChannelReconfiguration(viaoldce,ll,),接力,切,切換,:,:Inter-cell/Intra-NodeB,RNC,UE,,No,deB,PhysicalChannelReconfigurationComplete(vianewcell),RadioLinkDeletionRequest,RadioLinkRestoration,REL(AAL2_REL_REQ),RLC(AAL2_REL_CFM),LoopPre-SYNC,RadioLinkDeletionResponse,Commun,SNB,TN,B,接力,切,切換,:,:Inter-NB/Intra-RNC,RNC,UE,,Communicating,MeasurementReport,DecidetoHO,RadioLinkSetupResponse,ERQ(AAL2_EST_REQ),ECF(,A,VoiceData(viaSNBandT,N,B),PhysicalChannelReco,SNB,TNB,接,力,力,切,切,換,換,:,:Inter-NB/Intra-RNC,R,UE,,PhysicalChannelReconfigurationComplete(viaTNB),RadioLinkRestoration,REL(AAL2_REL_REQ),RLC(AAL2_REL_CFM),LoopPre-SYNC,Communicating,RadioLinkDeletionRequest,RadioLinkDeletionResponse,問,題,題,請(qǐng),說,說,明,明RL,、,、RB,和,和RAB,的,的,區(qū),區(qū),別,別,。,。,,,請(qǐng),列,列,出,出UE,在,在,不,不,同,同,場(chǎng),場(chǎng),景,景,下,下,的,的,工,工,作,作,模,模,式,式,和,和,工,工,作,作,狀,狀,態(tài),態(tài),。,。,,,,問,題,題,請(qǐng),畫,畫,出,出UE,做,做,被,被,叫,叫,的,的,信,信,令,令,流,流,程,程,圖,圖,,,,,并,并,列,列,出,出,主,主,要,要,信,信,令,令,消,消,息,息,,,,硬,切,切,換,換,和,和,接,接,力,力,切,切,換,換,在,在,信,信,令,令,流,流,程,程,上,上,的,的,區(qū),區(qū),別,別,是,是,什,什,么,么,?,?,演,講,講,完,完,畢,畢,,,,,謝,謝,謝,謝,觀,觀,看,看,!,!,