一、CME20系统理论
(1)了解GSM系统及网络结构,各组成部分实现的功能; SS——SWITCHING SYSTEM BSS——BASE STATION SYSTEM OMC——OPERATION AND MAINTENANCE CENTRAL OSS——OPERATION AND SUPPORT SYSTEM ISDN——INTEGRATED SERVICE DIGITAL NETWORK PLMN——PUBLIC LAND MOBILE SYSTEM HPLMN——HOME PUBLIC LAND MOBILE SYSTEM PSTN——PUBLIC SWITCHED SYSTEM HLR——HOME LOCATION REGISTER VLR——VISITOR LOCATION REGISTER MSC——MOBILE SERVICES SWITCHING CENTER AUC——AUTHENTICATION CENTER EIR——EQUIPMENT IDENTITY REGISTER GMSC——GATEWAY MOBILE SERVICES SWITCHING CENTER GIWU——GSM INTERWORKING UNIT SC——SERVICE CENTER SMS-GMSC——SHORT MESSAGE SERVICE GATEWAY MSC SMS—IWMSC——SHORT MESSAGE SERVICE INTERWORKING MSC BGW——BILLING GATEWAY BSC——BASE STATION CONTROLLER RBS——RADIO BASE STATION BTS——BASE TRANSCEIVER STATION MS——MOBILE STATION LA——LOCATION AREA MIN——MOBILE INTELLIGENT NETWORK SSP——SERVICE SWITCHING POINT SCP——SERVICE CONTROL POINT SSF——SERVICE SWITSHING FUNCTION SCF——SERVICE CONTROL FNNCTION GPRS——General Packet Radio Service
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