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GSM Mobile Service - Coggle Diagram
GSM Mobile Service
GSM Mobile Services
Bearer Services or Data Services
Transparent
Non Transparent
Supplementary Services
Teleservices or Telephony Services
Circuit Switch
Packet Switch
GSM Architecture
three main subsystem
NSS
OSS
BSS
Mobile Station(MS)
TE : Terminal Equipment
TA: Terminal Adapter
ME: Mobile Termination
Types MS
Portable Station
Handheld station
Vehicle mounted station
GSM Architecture
Network Switching Subsystem (NSS)
Home Location Register (HLR)
Visitor Location Register (VLR)
Mobile Switching Centre (MSC)
Operation Support Subsystem (OSS)
Authentication Centre (AUC)
Equipment Identity Register (EIR)
Operation & Maintenance Centre (OMC)
Radio Subsystem (RSS)
Mobile Station (MS)
Mobile Termination (MT)
Terminal Equipment (TE)
Subscriber Identity Module (SIM)
Terminal Adapter (TA)
Base Station Subsystem (BSS)
Base Trans receiver Station (BTS)
Base Station Controller (BSC)
GPRS System
GPRS Support Node (GSN)
Serving GPRS Support Node (SGSN)
GSM Security
A3 Algorithm for Authentication
A5 Algorithm for Encryption
A8 Algorithm for Generation of Cipher Key
Handover
Inter-Cell Handover
Inter-BSC, Intra MSC Handover
Intra-Cell Handover
Inter MSC Handover
Universal Mobile Telecommunications System (UMTS)
Cone Network (CN)
UTRA Network (UTRAN)
User Equipment (UE)
UMTS Terrestrial Radio Access Network (UTRAN)
RNC
Node B