WCDMA无线网络优化-信令..docx
课程模块代码WCDMA无线网络优化-信令课程目标:1掌握业务(CS、PS的整个过程所涉及的主要信令流程1掌握信令中主要配置参数和性能参数1对信令的采集和分析工具进行简单介绍参考资料:125.331, Technical Specification Group Radio Access Network; Radio Resource Control (RRC.125.433, Technical Specification Group Radio Access Network; UTRAN lub interface NBAP signaling.1刘霖Ju接口 RANAP信令控制(内部资料1 WCDMA信令流程概述(内部资料目录第1章CS的注册和PS的附着(vi1.1 CS的注册(vi1.2 PS域附着(2第2章呼叫流程(42.1 CS域主叫流程(4(6如果CN准备接受连接请求则向RNC回SCCP连接证实消息CC,确认信令 连接建立成功。(7 RNC确认信令连接建立成功后,向UE发送下行直传消息。(8 CN向RNC发送消息lu Release Command通知其释放CS域的lu连接(9 RNC向CN发lu Release Complete,并发起ALCAP协议发起IU接口用户面 承载的释放。(10 RNC 向 UE 发 RRC Connecton Release,要求释放 RRC 连接。(11 UE 释放 RRC 连接后,向 RNC 发 RRC Connecton Release Completeo12 2- 1.2 PS 域附着 RNC UE NodeB(1UL-CCCH:RRC Connection Request(2C_NBAP:Rdaio Link Setup Request(3C_NBAP:Radio Link Setup Response(4ALCAP:ERQ(5ALCAP:ECF(8DL_CCCH:RRC Connection Setup(9UL_DCCH:RRC Connection Setup Complete(10D_NBAP:Radio Link Restore Indication(HUL_DCCH:Initial Direct Transfer(Attach ReqCN(12Initial UE Message(Attach Req(13Direct Transfer (Attach Accept( 14DL_DCCH:Downlink Direct Transfer(Attach Accept(6DCCH_FP:Downlink SYNC(7DCCH_FP:Uplink SYNC流程说明:(1 UE在上行CCCH上发送一个RRC Connection Request消息请求建立一条 RRC连接(2 SRNC根据RRC连接请求的原因以及系统资源状态决定UE建立在专用信 道上并分配RNTI和LI L2资源,然后SRNC向Node B发送Radio Link Setup Request消息请求Node B分配RRC连接所需的特定无线链路资源(3 Node B资源准备成功后向SRNC应答Radio Link Setup Response消息(4 SRNC使用ALCAP协议发起lub接口用户面传输承载的建立。(5 Node B地面承载建立成功向SRNC回ECF。(6 RNC向NodeB发下行FP同步信息。(7 RNC向NodeB发上行FP同步信息。(8 SRNC 在下行 CCCH 向 UE 发送 RRC Connection Setup 消息(9 UE 在上行 DCCH 向 SRNC 发送 RRC Connection Setup Complete 消息,至此 RRC连接建立过程结束。(10 RNC于Node B之间的同步过程成功后,NodeB给RNC回Radio Link Restore Indicationo(11 UE与CN的交互的信令对于RNC而言都是直传消息RNC在收到第一条直 传消息时即初始直传消息Initial Direct Transfer,将建立与CN之间的信令连接该连 接建立SCCP之上。UE先发初始直传消息Initial Direct Transfer到RNCO(12 RNC接收到UE的初始直传消息通过lu接口向CN发送SCCP连接请求消 息CR消息,数据为RNC向CN发送的初始UE消息Initial UE Message,该消息带有 UE发送到CN的消息内容。(II如果CN准备接受连接请求则向RNC回SCCP连接证实消息CC,确认信令 连接建立成功。(12RNC确认信令连接建立成功后,向UE发送下行直传消息,其层3消息为 ATTACH ACCEPT。-3-4-第2章呼叫流程&知识点讲解业务(CS、PS的呼叫流程2.1 CS 域主叫流程(27Direct TransferRNC UE NodeB (1UL-CCCH:RRC ConnectionRcquest(originatingConversationalCall(2C_NBAP:Rdaio Link Setup Request(3C_NBAP:Radio Link Setup Response(4ALCAP:ERQ(5ALCAP:ECF(6DL_CCCH:RRC Connection Setup(7UL_DCCH:RRC Connection Setup Complete(8D_NBAP:Radio Link Restore Indication(9UL_DCCH:Inilial Direct Transfer(CM Service RequestCN(lOInitial UE Message(CM Service Request(11 Direct Transfer(CM Service Accept(12DL_DCCH:Downlink Direct Transfer(CM Service Accept(13UL_DCCH:Uplink Direct Transfer(Call Setup(14RAB Assginment Request(Establishment( 15D_NBAP:Radio Link Reconfiguration Prepare(I6D:NBAP Radio Link Reconfiguration Ready(17ALCAP:ERQ(18ALCAP:ECF(19D_NBAP:Radio Link Reconfiguration Commit(20DL_DCCH:Radio Bearer Setup(21UL_DCCH:Radio Bearer Setup Complete(22RAB Assignment Response(23DL_DCCH:Downlink Direct Transfer(Call Proceeding(24DL_DCCH:Downlink Direct Transfer(Alerting(25DL_DCCH:Downlink Direct Transfer(Connect(26UL_DCCH:Uplink Direct Transfer(Connect Acknowledge(Connect Acknowledge 流程说明:(1 UE在上行CCCH上发送一个RRC Connection Request消息请求建立一条RRC连接(2 SRNC根据RRC连接请求的原因以及系统资源状态决定UE建立在专用信道上并分配RNTI和LI L2资源,然后SRNC向Node B发送Radio Link Setup Request消息请求Node B分配RRC连接所需的特定无线链路资源(3 Node B资源准备成功后向SRNC应答Radio Link Setup Response消息(4 SRNC使用ALCAP协议发起lub接口用户面传输承载的建立。(5 Node B地面承载建立成功向SRNC回ECFO(6 SRNC 在下行 CCCH 向 UE 发送 RRC Connection Setup 消息(7 UE 在上行 DCCH 向 SRNC 发送 RRC Connection Setup Complete 消息至此RRC连接建立过程结束(8 RNC于Node B之间的同步过程成功后,NodeB给RNC回Radio Link Restore Indication o(9 UE与CN的交互的信令对于RNC而言都是直传消息RNC在收到第一条直 传消息时即初始直传消息Inilial Direct Transfer将建立与CN之间的信令连接该连 接建立SCCP之上。UE先发初始直传消息Initial Direct Transfer到RNCO(10 RNC接收到UE的初始直传消息通过lu接口向CN发送SCCP连接请求消 息CR消息数据为RNC向CN发送的初始UE消息Initial UE Message该消息带有 UE发送到CN的消息内容。(11如果CN准备接受连接请求则向RNC回SCCP连接证实消息CC.确认信令 连接建立成功。(12 RNC确认信令连接建立成功后,向UE发送下行直传消息,其层3消息为CM SERVICE ACCEPTo(13 UE发送上行直传消息,其层3消息为CALL SETUP。(14 CN收到CALL SETUP的层3消息后,CN向UTRAN发送RAB指配请求消 息请求UTRAN建立RABO(15 SRNC接收到RAB建立请求后将RAB的QoS参数映射为AAL2链路特性 参数与无线资源特性参数lu接口的ALCAP根据其中的AAL2链路特性参数发起 lu接口的用户面传输承载建立过程。地面承载建立后,SRNC向NodeB发起无线链 路重配置-5-准备Radio Link Reconfiguration Prepare消息请求属下的Node B准备在已有的 无线链路上增加一条或多条承载RAB的专用传输信道DCHO(16 Node B分配相应的资源然后向所属的SRNC发送Radio Link ReconfigurationReady消息通知SRNC无线链路重配置准备完成。(17 SRNC中lub接口的ALCAP发起lub接口的用户面传输承载建立。(18 NodeB地面承载建立成功向SRNC回ECF。(19 SRNC向属下的Node B发送无线链路重配置执行消息Radio LinkReconfiguration Commit(20 SRNC向UE发送RRC协议的RB建立消息Radio Bearer Setup(21 UE执行RB建立后向SRNC发送无线承载建立完成消息Radio BearerSetup Complete(22 SRNC接收到无线承载建立完成的消息后向CN回应RAB指配响应消息Radio Access Bearer Assignment Response 结束 RAB 建立流程(23 CN 向 UE 发层 3 消息 Call Proceeding 消息。(24 CN向UE发层3消息Alerting消息。(25摘机后,CN向UE发层3消息Connect消息(26 UE向CN发层3消息Connect Ack消息1 .2 CS域被叫流程6 6-7- RNCU E NodeB (3UL-CCCH:RRC Connection Request(4C_NBAP:Rdaio Link Setup Request(5C_NBAP:Radio Link Setup Response(6ALCAP:ERQ(7ALCAP:ECF(IODL_CCCH:RRC Connection Setup(11UL_DCCH:RRC Connection Setup Complete(12D_NBAP:Radio Link Restore Indication(13UL_DCCH:Initial Direct TransferCN (14Initial UE M essage (Paging Response (15Direcl Transfer(8DCCH_FP:Downlink SYNC(9DCCH_FP:Uplink SYNC(1 Paging (2DL_CCCH :Paging Type 1(Paging Response(Call Setup (16DL_DCCH:Downlink Direct Transfer(Call Setup(17DL_DCCH:Uplink Direct Transfer(Call Confirmed( 18D_NBAP:Radio Link Reconfiguration Prepare(19D:NBAP Radio Link Reconfiguration Ready(20ALCAP:ERQ(21ALCAP:ECF(24D_NBAP:Radio Link Reconfiguration Commit(25DL_DCCH:Radio Bearer Setup(26UL_DCCH:Radio Bearer Setup Complete(32Direct T ransfer (27RAB Assignment Response (28UL_DCCH:Downlink Direct Transfer(Alerting(30UL_DCCH:Downlink Direct Transfer(Connect(33DL_DCCH:Uplink Direct T ransfer(Connect Acknowlcdgc(Conncct Acknowledge(Alerting(Connect(22DTCH_FP:Downlink SYNC(23DTCH_FP:Uplink SYNC(29Direct Transfer (31 Direct T ransfer (18RAB Assignment Request(Establish被叫与主叫的区别是由CN发呼叫消息,其它步骤基本一样,这里就不 介绍了。-8-2.3 PS 域 PDP 激活 RNC UE NodeBCN(lUL_DCCH:Uplink Direct Transfer(ACT. PDP Context Req(3RAB Assginment Request(Establishment(4D_NBAP:Radio Link Reconfiguration Prepare(5D:NBAP Radio Link Reconfiguration Ready(10D_NBAP:Radio Link Reconfiguration Commit(11DL_DCCH:Radio Bearer Setup(12UL_DCCH:Radio Bearer Setup Complete(13RAB Assignment Response(15DL_DCCH:Downlink Direct Transfer(ACT. PDP Context Accept(2Direct Transfer(ACT. PDP Context Req(l4Dircct Transfer2.2 CS域被叫流程(62.3 PS 域 PDP 激活(82.4 PS域呼叫(10第3章业务释放流程(133.1 CS域释放(133.2 PS域PDP去激活(143.3 PS 域 Detach (16第4章无线参数(194.1 ACTIVE SET UPDA TE(194.1.1 TX Diversity Mode (194.1.2 Radio link addition information (194.1.3 Radio link removal information (194.1.4 Maximum allowed UL TX power (194.1.5 DPC MODE (194.1.6 SSDT information (194.2 CELL CHANGE ORDER FROM UTRAN (194.2.1 BSIC(194.2.2 BCCH ARFCN (204.3 CELL UPDATE (20(ACT. PDP Context Accept(8DTCH_FP:Downlink SYNC(9DCCH_FP:Uplink SYNC(6ALCAP-ERQ(7ALCAP-ECF流程说明:(1 UE发送上行直传消息到RNC,其层3消息为PDP Context Request。(2 RNC发送上行直传消息到CN淇层3消息为PDP Context Request。(3 CN收到PDP Context Request的层3消息后,CN向UTRAN发送RAB指配 请求消息请求UTRAN建立RAB。(4 SRNC接收到RAB建立请求后将RAB的QoS参数映射为AAL2链路特性 参数与无线资源特性参数lu接口的ALCAP根据其中的AAL2链路特性参数发起 lu接口的用户面传输承载建立过程。地面承载建立后,SRNC向NodeB发起无线链 路重配置准备Radio Link Reconfiguration Prepare消息请求属下的Node B准备在已 有的无线链路上增加一条或多条承载RAB的专用传输信道DCH。(5 Node B分配相应的资源然后向所属的SRNC发送Radio Link Reconfiguration Ready消息通知SRNC无线链路重配置准备完成。(6 SRNC中lub接口的ALCAP发起lub接口的用户面传输承载建立。(7 Node B地面承载建立成功向SRNC回ECF。(8 RNC向NodeB发下行FP同步信息。(9 RNC向NodeB发上行FP同步信息。(10 SRNC向属下的Node B发送无线链路重配置执行消息Radio LinkReconfiguration Commit(11 SRNC向UE发送RRC协议的RB建立消息Radio Bearer Setup(12 UE执行RB建立后向SRNC发送无线承载建立完成消息Radio Bearer Setup Complete(13 SRNC接收到无线承载建立完成的消息后向CN回应RAB指配响应消息 Radio Access Bearer Assignment Response 结束 RAB 建立流程(14 CN 向 RNC 发层 3 消息 PDP Context Accept 消息。(15 RNC 向 UE 转发层 3 消息 PDP Context Accept 消息。-9-10-2.4 PS 域呼叫 RNCUENodeB(lUL-CCCH:RRCConn ectio n R eq u est(2C _N B A P :R d aio L in k S etu p R eq u est(3C _N B A P :R ad io L in k S etu p R esp o n se(4A L C A P :E R Q(5ALC AP:ECF(8D L_CCCH:RRCConn ectio n S etu p(9U L _D CCH:RRCConn ectio n S etu p C o m p lete(10D _N B A P :R ad io L in k R esto re In d icatio n(HUL_DCCH:In itial D irect T ran sferCN(12In itial U E M essag e(6D C C H _F P :D o w n lin kS YNC(7D C C H _F P :U p lin k S Y N C(15R A B A s s g in m e n tR e q u e s t (E s ta b lis h m e n t( 16D _N B A P :R a d io L in k R e c o n fig u ra tio nPrepare(17D:NBAPRadioLinkReconfigurationReady(22D _N B A P :R a d io L in k R e c o n fig u ra tio n C o m m it(23D L _D CCH:RadioBearerSetup(24U L _D C C H :R a d io B e a re r S e tu p C o m p le te(25R ABAssignmentResponse(20D TCH_FP:DownlinkSYNC(21DCCH_FP:U plinkSYNC(18ALCAP-ERQ(19ALC AP-ECF(13D ire c t T ra n s fe r (14D ire c t T ra n s fe r(1 UE发送上行直传消息到RNC淇层3消息为PDP Context Request。(2 RNC发送上行直传消息到CN,其层3消息为PDP Context Request。(3 CN收到PDP Context Request的层3消息后,CN向UTRAN发送RAB指配 请求消息请求UTRAN建立RAB。(4 SRNC接收到RAB建立请求后将RAB的QoS参数映射为AAL2链路特性 参数与无线资源特性参数lu接口的ALCAP根据其中的AAL2链路特性参数发起 lu接口的用户面传输承载建立过程。地面承载建立后,SRNC向NodeB发起无线链 路重配置准备Radio Link Reconfiguration Prepare消息请求属下的Node B准备在已有的 无线链路上增加一条或多条承载RAB的专用传输信道DCH。(5 Node B分配相应的资源然后向所属的SRNC发送Radio Link Reconfiguration Ready消息通知SRNC无线链路重配置准备完成。(6 SRNC中lub接口的ALCAP发起lub接口的用户面传输承载建立。(7 Node B地面承载建立成功向SRNC回ECFO(8 RNC向NodeB发下行FP同步信息。(9 RNC向NodeB发上行FP同步信息。(10 SRNC向属下的Node B发送无线链路重配置执行消息Radio LinkReconfiguration Commit(11 UE与CN的交互的信令对于RNC而言都是直传消息RNC在收到第一条直 传消息时即初始直传消息Inilial Direct Transfer将建立与CN之间的信令连接该连 接建立SCCP之上。UE先发初始直传消息Initial Direct Transfer到RNCO(12RNC接收到UE的初始直传消息通过lu接口向CN发送SCCP连接请求消 息CR消息数据为RNC向CN发送的初始UE消息Initial UE Message该消息带有 UE发送到CN的消息内容。(13如果CN准备接受连接请求则向RNC回SCCP连接证实消息CC,确认信令 连接建立成功。(14 RNC确认信令连接建立成功后,向UE发送下行直传消息(15 CN向UTRAN发送RAB指配请求消息请求UTRAN建立RAB。(16 SRNC接收到RAB建立请求后将RAB的QoS参数映射为AAL2链路特性 参数与无线资源特性参数lu接口的ALCAP根据其中的AAL2链路特性参数发起 lu接口的用户面传输承载建立过程。地面承载建立后,SRNC向NodeB发起无线链 路重配置准备Radio Link Reconfiguration Prepare消息请求属下的Node B准备在已 有的无线链路上增加一条或多条承载RAB的专用传输信道DCH。(17 Node B分配相应的资源然后向所属的SRNC发送Radio Link Reconfiguration Ready消息通知SRNC无线链路重配置准备完成。(18 SRNC中lub接口的ALCAP发起lub接口的用户面传输承载建立。(19 NodeB地面承载建立成功向SRNC回ECF。-11-(20 RNC向NodeB发下行FP同步信息。(21 RNC向NodeB发上行FP同步信息。(22 SRNC向属下的Node B发送无线链路重配置执行消息Radio Link Reconfiguration Commit(23 SRNC向UE发送RRC协议的RB建立消息Radio Bearer Setup(24 UE执行RB建立后向SRNC发送无线承载建立完成消息Radio BearerSetup Complete(25 SRNC接收到无线承载建立完成的消息后向CN回应RAB指配响应消息 Radio Access Bearer Assignment Response 结束 RAB 建立流程-12-13-第3章业务释放流程&知识点讲解业务(CS、PS的释放流程3.1 CS域释放RNCCNNodeBUE(lUL_DCCH:Uplink Direct Transfer(Disconnect(2Direct Transfer (Disconnect(3Direct Transfer(Release(4DL_DCCH:Downlink Direct Transfer(Release(5UL_DCCHUplink Direct Transfer(Release Complete(6Direct Transfer (Release Complete( 11 D_NBAP:Radio Link Deletion Request(12D_NBAP:Radio Link Deletion Response (9DL_DCCH:RRC Connection Release(10UL_DCCH:RRC Connection Release Complete(8Iu Release Complete(7Iu Release Command(13ALCAP:REL(DTCH(14ALCAP:RLC(DTCH(15ALCAP:REL(DCCH(16ALCAP:RL C(DCCH(1 UE挂机之后向RNC发送直传消息,其层3消息为DISCONNECT,请求释放 和CN域的连接。(2 RNC收至ij UE的直传消息,直接向CN转发直传消息。(3 CN收到后,向RNC发下行直传消息,其层3消息为RELEASE。(4 RNC把 下行直传消息,透传给UE。(5 MS发直传消息,层3消息为RELEASE COMPLETE消息给RNC。如果此时 不再需要通信信道,则要执行信道的释放过程。(6 RNC把上行直传消息发给CN。(7 CN向RNC发送IU RELEASE COMMAND消息请求释放lu连接(8 RNC发送IU RELEASE COMPLETE消息给CN,表示RNC开始释放。(9 RNC发送RRC CONNECTION RELEASE消息给UE请求释放RRC连接。(10 UE 发送 RRC CONNECTION RELEASE COMPLETE 消息给 RNCO(11 RNC 向 NODEB 发送 RADIO LINK DELETION REQUEST 消息请求释放无 线链路连接。(12 NODEB 向 RNC 发送 RADIO LINK DELETION RESPONSE 消息。(13 RNC释放接纳控制和码资源,发起地面资源的释放,向NODEB发起ALCAP RELEASE 要求释放地面资源。(14 NODEB向RNC发送ALCAP RELEASE CONFIRM消息表明释放地面承 载。(15如果还有地面承载存在,RNC继续向NODEB发起ALCAP RELEASE要求 释放地面承载。(16 NODEB向RNC发送ALCAP RELEASE CONFIRM消息表明释放了地面承 载。如果所有的地面承载都释放,流程结束。3.2 PS域PDP去激活-14-15-CNRNCNodeBUEMSC SignallingWcdmaDL_DCCH:Downlink Direct Transfer (DEACTIV.PDP.Contex t AcceptDirect Transfer(DEACTIV.PDP.Contex t AcceptDirect Transfer(DEACTIV.PDP Contex t Req UL_DCCH:Uplink Direct Transfer (DEACTIV.PDP Contex t ReqALCAP-RELALCAP-RLCRAB Assignment ResponseRAB Assignment Request(ReleaseD_NBAP:Radio Link Reconfiguration CommitDTCH_FP:Uplink SYNCDTCH_FP:Downlink SYNCD_NBAP:Radio Link Reconfiguration ReadyD_NBAP:Radio Link Reconfiguration PrepareDL_DCCH:RB Release CompleteDL_DCCH:RB R elease Request(1 UE向RNC发送上行直传消息,其层3消息为DEACTIV A TE PDP Context Request o (2 RNC收到UE的直传消息,直接向CN转发直传消息。(3 CN 收到后,向 RNC 发 RAB Assignment Request,带有要释放的 RAB Id。(4 RNC 收到后向 UE 发 RB Release Request o(5 UE向RNC发RB Release COMPLETE消息给RNC o并释放UE所占用的 资源。(6 UE 发送 RRC CONNECTION RELEASE COMPLETE 消息给 RNC o(7在有其它业务存在的情况下,RNC向NODEB发送RADIO LINK RECONFIGURATIONREQUEST 消息。(8 NODEB 向 RNC 发送 RADIO LINK RECONFIGURATION READY 消息。(9 RNC释放接纳控制和码资源,发起地面资源的释放,向NODEB发起ALCAP RELEASE 要求释放地面资源。(10 NODEB向RNC发送ALCAP RELEASE CONFIRM消息表明释放地面承 载。(11 RNC向NodeB发下行FP同步信息。(12 RNC向NodeB发上行FP同步信息。(13 RNC向属下的Node B发送无线链路重配置执行消息Radio Link Reconfiguration Commit o(14 RNC 向 CN 回 RAB Assignment Responseo1.1.1 Cell update cause (201.1.2 Failure cause (204.4 CELL SETUP REQUEST (204.4.1 开环功率控制参数(204.4.2 下行公共信道开环功控参数(214.4.3 下行方向内环功率控制参数(224.4.4 Synchronisation Configuration (224.4.5 Closed Loop Timing Adjustment Mode (224.4.6 DL TPC pattern 01 count (234.4.7 Primary SCH Information (234.4.8 Secondary SCH Information (234.4.9 T_Cell (234.4.10 Primary CPICH power (234.4.11 CELL primary scrambling code (244.5 CELL RECONFIGURATION REQUEST (244.5.1 开环功率控制参数(244.5.2 下行公共信道开环功控参数(244.5.3 Synchronisation Configuration (25(15 CN向RNC发送下行直传消息,其层3消息为DEACTIV ATE PDP ContextAccept o(16 RNC收到CN的直传消息,直接向UE转发直传消息。3.3 PS 域 Detach-16-17-CNRNCNodeBUEMSC SignallingWcdmaUL_DCCH:RRC Connection Relea se CompleteD_NBAP:Radio Link Delete Reques ID_NBAP:Radio Link Delete ResponseALCAP:REL(DTCHALCAP:RLC(DTCHALCAP:REL(DCCHALCAP:RLC(DCCHDL DCCH:R RC Connection Rclca scIU Release CompleteIU Release CommandDL_DCCH:Downlink Transfer(DETACH AcceptDETACH AcceptDirect Transfer (DETACH ReqUL_DCCH:Uplink Direct Transfer(DETACH Req(1用户下线之后向RNC发送直传消息,其层3消息为DETACH,请求释放和 CN域的连接。(2 RNC收到UE的直传消息,直接向CN转发直传消息。(3 CN收到后,向RNC发下行直传消息,其层3消息为DETACH ACCEPT。(4 RNC把下行直传消息,透传给UE。(5 CN向RNC发送IU RELEASE COMMAND消息请求释放lu连接(6 RNC发送IU RELEASE COMPLETE消息给CN,表示RNC开始释放。(7 RNC发送RRC CONNECTION RELEASE消息给UE请求释放RRC连接。(8 UE 发送 RRC CONNECTION RELEASE COMPLETE 消息给 RNCO(9 RNC 向 NODEB 发送 RADIO LINK DELETION REQUEST 消息请求释放无 线链路连接。(10 NODEB 向 RNC 发送 RADIO LINK DELETION RESPONSE 消息。(II RNC释放接纳控制和码资源,发起地面资源的释放向NODEB发起ALCAP RELEAS