GSM-NETGSM NetworkIntroduction S.H.JamaliStructure of Talk GSM Network & Its Elements Some Procedures Layers in GSM Radio Channels Frequency Bands Power Classes Burst Structure Logical Channels Frame Structure Some Procedures Logical ChannelsStructure of Talk GSM NETWORK(Elements)GSM NetworkOMC PSTNG M S CHLR AUC EIRB S CB T SB T SHSB T SMSB T SVLRB S CB T SB T SM S CB T SB T SGSM NETWORK(MS)GSM NetworkSIM43211Processor & MemoryMSHardware & Software SIM: Subscriber Identity Module (without SIM a Mobile is notOperational except for Emergency Calls) Permanent Information Temporary Information 9IMSI 9TMSI 9Authentication Key 9Additional GSM Services 9Access Control Class 9Subscriber Information 9 ... 9 Location Area Identity (……