Thomas Kunz
Systems and Computer Engineering
27
Mobile Station
nTerminal for the use of GSM services
nA mobile station (MS) comprises several functional
groups
–MT (Mobile
Terminal):
noffers common
functions used by all services the MS offers
ncorresponds to the
network termination (NT) of an ISDN access
nend-point of the
radio interface (Um)
–TA
(Terminal Adapter):
nterminal adaptation,
hides radio specific characteristics
–TE
(Terminal Equipment):
nperipheral device of
the MS, offers services to a user
ndoes not contain GSM
specific functions
–SIM
(Subscriber Identity Module):
npersonalization of
the mobile terminal, stores user parameters
R
S
Um
TE
TA
MT