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1、MSS网络的相关介绍,马永君,内容,MSS分成结构的简单介绍功能单元的简单介绍相关硬件的简单介绍相关软件的简单介绍MSS分层结构信令介绍话务流程,Today) GSM with TDM Backbone,BTS,BTS,BTS,BSC,MSC/VLR,BSC,BTS,BTS,BSC,MSC/VLR,BSC,TDM Transport,WCDMA coverage,GSM coverage,BTS,BTS,BTS,TSC,TSC,PLMN/ PSTN/ ISDN,PLMN/ PSTN/ ISDN,Target Network,MGw,Packet Multi-Service Backbone,M
2、Gw,MGw,MGw,MGw,MGw,MGw,MGw,MGw,MGw,MGw,MGw,MGw,Full network resilience through MSC Pool and Mobile Softswitch Solution.,MSC Servers, centralized and grouped in Pools (redundancy).,Bandwidth efficiency and optimal speech quality through TrFO/TFO (R12) and AMR-WB (R13).,Packet data transport for both
3、signalling and user plane.,Complimented with IMS to enable combinational multimedia services.,Media Gateways, distributed and grouped (redundancy).,连接层,MGW,MGW,User data,Control,PSTN/ ISDN,Internet Intranets,WCDMA,EDGE,GSM,未来新的分层网络结构,业务/应用层,SGW,控制层,HLR/AUC/FNR,GMSC/Transit,应用服务器,业务能力服务器,MSC服务器,SGSN服
4、务器,服务器,应用服务器,The Core Network,User data,Application,Service Enablers,Control Layer,HLR/AuC/FNR,SGW,Connectivity Layer,MGW,MGW GGSN,Services/ Application Layer,Control,Servers,Application,Servers,PSTN/ ISDN,Internet Intranets,WCDMA,EDGE,GSM,分层结构的优点,开放而通用的结构满足当前和未来市场的需求 层间的独立性使得每一层能够独立地在各自的技术领域中向前发展和演
5、进适应业务模型增长与变化的灵活性 为网络向全IP解决方案演进奠定基础,连接层,MGW,MGW,用户数据,控制,PSTN/ ISDN,Internet Intranets,WCDMA,EDGE,GSM,连接层,业务/应用层,SGW,控制层,HLR/AUC/FNR,GMSC/Transit,应用服务器,业务能力服务器,MSC服务器,SGSN服务器,服务器,应用服务器,用户数据,应用服务器,业务能力服务器,MSC服务器,SGSN服务器,HLR/AUC/FNR,GMSC/Transit,SGW,MGW,MGW,服务器,PSTN/ ISDN,Internet Intranets,WCDMA,EDGE,G
6、SM,控制层,连接层,信令,业务/应用层,控制层,应用服务器,内容,MSS分成结构的简单介绍功能单元的简单介绍相关硬件的简单介绍相关软件的简单介绍MSS分层结构信令介绍话务流程,Ericsson GSM system Model,功能单元,Mobile services Switching Center (MSC) The Gateway MSC (GMSC) Home Location Register (HLR) Visitor Location Register (VLR) AUthentication Center (AUC) Equipment Identity Register (
7、EIR) Base Station Controller (BSC) Radio Base Station (RBS) Mobile Station (MS) CELL Location Area (LA) MSC Service Area,Mobile services Switching Center (MSC),The Mobile services Switching Center (MSC) performs the system telephony switching functions. It also controls calls to and from other telep
8、hony and data systems, such as the Public Switched Telephone Network (PSTN) and Public Land Mobile Network (PLMN)., Mobile Switching Subsystem (MSS) Mobile Mobility and radio Subsystem (MMS) Mobile Data Subsystem (MDS) SHort message service Subsystem (SHS),Mobile Switching Subsystem (MSS),In the MSC
9、/VLR server this involves functions for setting up and controlling calls to and from mobile subscribers, functions for supplementary service interactions, functions for call independent supplementary service procedures. In the GMSC server this involves interrogation for routing data towards HLR, fun
10、ctions for setting up and controlling calls to mobile subscribers. In SMS-GMSC this involves telecommunication service analysis. In SMS-IWMSC this involves telecommunication service analysis.,Mobile Mobility and radio Subsystem (MMS),The following main functions are implemented in MMS in the MSC/VLR
11、 server: Mobility management functions Handover/relocation functions Base Station Controller (BSC) functions Radio network data Functions for signalling to or from the mobile station (using BSSAP) and between other system entities (using MAP and BSSAP+) Functions for signalling to or from RNC (using
12、 RANAP),Mobile Data Subsystem (MDS),In MSC/VLR Server this involves: functions for updating of the mobile subscribers location (location updating/location cancellation) in the different location registers functions for updating the mobile subscriber data administrative functions for defining and han
13、dling of subscriber data and handling of the mobile subscribers functions for handling of the own calling address functions for handling of the IMSI number series analysis data functions for MAP-operations functions for handling of the Security Related Data functions for MSC Pool functions for routi
14、ng of USSD requests to/from external node,SHort message service Subsystem (SHS),In MSC/VLR Server this involves: Functions for reception of a short message from the MS, unpacking and analysis of the messages related to short message service and forwarding the short message to the SMS-IWMSC. Function
15、s for reception of a short message from the SMS-GMSC, packing of the short message and forwarding the short message to the MS. A function used to notify the HLR that the MS is able to receive a short message due to that the MS is reachable again or has now memory available. A function used to trigge
16、r High Penetration Notification (HPN) when a mobile terminated short messages could not be delivered to the MS.,SHort message service Subsystem (SHS),A function used to queue a terminated short message in the MSC/VLR Server in case of a temporary busy situation. A function used to trigger IN-service
17、s in order to charge and handle properly Mobile Originated Short Message Transfer also in case the subscriber is roaming outside his Home Network (MO-SMS-CSI Camel Ph3). A function used to trigger IN-services in order to charge and handle properly Mobile Terminated Short Message Transfer in case the
18、 subscriber is roaming outside his Home Network (MT-SMS-CSI Camel Ph4). A function used to trigger RTCfA-service in order to charge and handle properly Mobile Originated/Terminated Short Message Transfer in case the subscriber is in his Home Network. A function used to route the MO-SMS towards a new destination instead of the service centre SC-address configured in the MS.,
