B.Jeren i P.Pale: Sustavi za praćenje i vođenje procesa
GSM  © 1991.-2004.
Arhitektura
•HLR - Home Location Register
•VLR - Visitor Location Register
•EIR - Equipment Identity Register
•AuC - Authentication Center
•MSC - Mobile Services Sw. Center
•
•BSC - Base Station Controler
•BTS - Base Transceiver Station
•
•ME - Mobile Equipment
•SIM - Subscriber Identity Module
MSC
HLR
VLR
EIR
AuC
PSTN
Mobile Services Switching Center
BSC
B
T
S
B
T
S
B
T
S
Base Station
Subsystem
BSC
B
T
S
B
T
S
B
T
S
Base Station
Subsystem
SIM
ME