Please enable JavaScript.
Coggle requires JavaScript to display documents.
GSM Mobile Services - Coggle Diagram
GSM Mobile Services
Handover
Intra-cell
Inter-cell, intra BSC
Inter BSC, intra MSC
inter MSC
System Architecture
RSS (Radio Sub System)
MS (Mobile Station)
BSS (Base Station Subsystem)
BTS (Base Transceiver Station)
BSC (Base Station Controller)
NSS (Network Switching Subsystem)
MSC (Mobile Switching Center)
HLR (Home Location Register)
VLR (Visitor Location Register)
OSS (Operational Sub System)
OMC (Operation and Maintenance Center)
EIR (Equipment Identity Register)
AuC (Authentication Center)
UMTS (Universal Mobile Telecommunication
System)
UE (User Equipment)
CN (Core Network)
UTRAN (UMTS Terrestrial Radio Access Network)
Services
Teleservices
Bearer services
Supplementary services
GPRS (General Packet Radio System)
GSN (GPRS Support Node)
SGSN (Serving GPRS Support Node)
Localization and Calling
Calling
MTC (Mobile Terminating Call)
MOC (Mobile Originated Call)
Localization
TMSI
MSISDN
IMSI
MSRN
Security Services and Algorithms
Services
Authentication
Confidentiality
Anonymity
Algorithms
A3 for authentication
A5 for encryption
A8 for generation of cipher key