Ana Krešo Maturalni Rad

8/18/2019 Ana Krešo Maturalni Rad

1/18

SADRŽAJ

UVOD.........................................................................................................................................1

1. SERVISI, ARHITEKTURA I FUNKCIJE SISTEMA...........................................................2

2. PODSTISTEMI GSM MREŽE..............................................................................................6

2.1. Podsist! "#$% st#%i&...................................................................................................'

2.2. Podsist! $# (o!)t#&i*) i +)(o#%* GSM !+-o! T/ S0it&/i% #%d M#%#!%t

S)"sst!s SMSS3.................................................................................................................4

2.5. Podsist! $# %#d$o+ i od+-##%* O+#tio% #%d !#i%t%#%& s)"sst! 7 OAMS3....4

5. ADRESIRANJE, NUMERIRANJE I IDENTIFIKACIJA U GSM MREŽI..........................8

5.1. Id%ti9i(#&i*# (o+is%i(# !+-..........................................................................................8

5.2. St+)(t)+# IMSI...............................................................................................................1:

5.5. St+)(t)+# id%ti9i(#&i* $o% ;o&i+#%*#...........................................................................1:

5.. ?#/t*i (# ;#%) %)!+#&i* ) GSM !+-i..................................................................12

5.6. St+)(t)+# MSISDN.........................................................................................................12

5.'. M@)%#+od%# id%ti9i(#&i*# !o"i;% st#%i& IMEI....................................................15


2/18

UVOD

G;o"#; Sst! 9o+ !o"i; Co!!)%itio%s GSM3 +i )t * +dst#;*% 1881. odi% i

%#*+#s+ost+#%*%i*i * diit#;%i !o"i;%i s)st#. U os%oi E)+os(i st#%d#+d $# diit#;%)

!o"i;%) t;9o%i*) (o*i * +i/#=% i+o! si*t#, t#(o d# * d#%#s %#*= (o+it%i !o"i;%i

s)st#.

Ko+isti s ) i od 2:: $!#;*# s# +(o >:: !+-#. GSM !+- ) E)+oi +#d %#

9+(%&i*#!# 8:: MH$ i 14:: MH$, do( s ) S*+%o* A!+i&i i di*;oi!# B#ti%s(

A!+i( i A9+i( (o+ist 9+(%&i* od 4:: MH$ i 18:: MH$.

R#$;i()*!o 5 %+#&i* !o"i;%i/ +#dio !+-#

♦ A%#;o%i !o"i;%i s)st#i, (#o %+. No+di& Mo"i; T;/o% NMT 3 +#

%+#&i*# 3

♦ G;o"#; Sst! 9o+ Mo"i; &o!!)%itio%s GSM 3, Diit#; C;;);#+ Sst!

DCM 3, Diit#; Ad#%&d Mo"i; P/o% Sst! D7AMPS 3 i I%t+i! St#%d#+d

8> IS 8> 3 d+)# %+#&i*# 3 (o*# t#(o@+ )(;*))* o"o;*#%*# GSM7# Hi/

Sd Ci+&)it S0it&/d D#%# HSCSD 3 i G%+#; P#&(t R#dio S+i& GPRS 3.

O# )%#+i*@%*# s *o %#$i#*) i 2 i;i 2.>G %+#&i*#.

♦ U%i+s#; Mo"i; T;&o!!)%itio%s Sst! UMTS 3 t+=# %+#&i*# 3 * *d#%

od !o"i;%i/ (o!)%i(#&i*s(i/ s)st## +#$i*% ) o(i+) ITU +o*(t# o$%#to od

%#$io! I%t+%#tio%#; Mo"i; T;&o!!)%itio%s IMT 2:::.

Mi =!o s ) oo! +#d) %#*i "#$i+#ti %# GSM !+- t =!o s %*i/ d+-#ti ) d#;*%*!

t(st), (#(o %#;#- i s#!# t!#.

1


3/18

1. SERVISI, ARHITEKTURA I FUNKCIJE SISTEMA

Os%o%i "#$%i3 t;(o!)%i(#&i*s(i s+isi (o* od+-## GSM !+-# s) odi*;*%i ) di*

+)− s+isi s;)-"i %osi;# %. "#++ s+i&s3 (o*i +%os (o+is%i( i%9o+!#&i* %#

i%t+9*s) (o+is%i(7!+-#, %+. s+is +i*%os# oo+#,

− t;s+is, (o*i )(;*))*) soso"%ost t+!i%#;# d# +$%ti+#*) (+#*%*! (o+is%i()

o*()3 +%i*t i%9o+!#&i*, %+. t;s+is t;9o%i*#.

U$ os%o% s+is GSM !+-# os*d)* i dod#t% %. s);!%t#+3 s+is (o*i

(o!;ti+#*) )s;) !+-.

GSM !+-# s o$)* +i* s# s#

− !+-o! 9i(s% t;9o%i* PSTN3,

− !+-#!# $# +i*%os od#t#(# .2>3, IP,

− diit#;%i! !+-#!# s# i%t+i+#%i! s;)-"#!# ISDN3 i

− d+)i! GSM !+-#!#.

D# "i od+-#;# (o+is%i( s+is GSM !+-# os*d)* i 9)%(&i*# %)!+#&i*),

id%ti9i(#&i*) i si%#;i$#&i*). F)%(&i* GSM !+- s +)i+#*) ) 9)%(&io%#;% %titt i

%*i/o ;oi( $, +i(#$#% %# s;i&i 1, (#o i %# s;i&i 2.

S;i(# 1. A+/it(t)+# GSM !+-

2


4/18

MS Mo"i;%# st#%i Mo"i; St#tio%3 SS sist! "#$% st#%i& #s St#tio% Sst!3

MSC C%t+#;# !o"i;% t;9o%i* Mo"i; s+i&s S0it&/i% C%t+3

HBR Rist#+ !#ti%i/do!#=i/ (o+is%i(# Ho! Botio% Rist+3

VBR Rist#+ ost)*)=i/ (o+is%i(# Visitd Botio% Rist+3

OMC C%t#+ $# %#d$o+ i od+-##%* O+#tio% #%d M#i%t%#%& C%t+3

EIR Rist#+ id%ti9i(#&i*# o+! E)i!%t Id%tit Rist+3

AUC C%t#+ $# #)to+i$#&i*) A)t/%titio% C%t+3

S;i(# 2. N# d+)i %#i% +i(#$#%# #+/it(t)+# GSM !+-

1.1. Opis pojedinih elemenata GSM mreže

Mobilna stanica T!" Mobil" Station MS#

Mo"i;%# st#%i Mo"i; st#tio% 7 MS3 * )+@#* s# (o*i! (o+is%i( !+- +ist)# i !+-i%*%i! s+isi!#. Mo"i;%# s#d+-i i s;*d= %titt

M@)%#+od%) id%ti9i(#&i*) !o"i;% st#%i& I%t+%#tio%#; Mo"i; E)i!%t Id%tit 7

IMEI3, (o*# * *di%st%# $# s#(i MS %# ;o"#;%o* +#$i%i.

Rist+i+#%i (o+is%i&i !+- i!#*) i !@)%#+od%) id%ti9i(#&i*) !o"i;%o (o+is%i(#

I%t+%#tio%#; Mo"i; S)"s&+i"+ Id%tit 7 IMSI3, (o*# * s#d+-#%# ) !od);) $# id%ti9i(#&i*)

(o+is%i(# S)"s&+i"+ Id%tit Mod); 7 SIM3.

5


5/18

$o%sist"& ba'n" stanic" (as" Station S)st"& * (SS#

Podsist! "#$% st#%i& #s St#tio% Sst! 7 SS3 o(+i# +#dio si%#;o! *d%) =;i*) i

(o!)%i&i+# s# s#(o! MS (o*# s %#;#$i ) to* =;i*i. SS * odi*;*% ) d# %titt#

− Ko%t+o;o+ "#$% st#%i& "#s st#tio% &o%t+o;;+ SC3 i− Jd#% i;i i +#dio +i!o+d#*%i(# "#s t+#%s&i+ st#tio% TS3.

Ko&+tacis-i c"nta &obiln" t"l"/oni" T!" Mobil"*s"0ic"s Sitc!in2 C"nt" MSC#

Ko!)t#&i*s(i &%t#+ !o"i;% t;9o%i* osi)+## s+is GSM !+- $# s (o+is%i( (o*i s

%#;#$ ) %*oo* $o%i o(+i#%*#. MSC osi)+## !o"i;%ost (o+is%i(# +)(o#%*! +#dio

+s)+si!# sist!#, #-)+i+#%* t+%)t% ;o(#&i* (o+is%i(# i /%do++)$i!#%* #(ti%o

o$i# %# d+)i +#dio (#%#;, TS, SS i;i MSC3. MSC t#(o@+ osi)+## )!+-##%* s#

d+)i! !+-#!# d+)# GSM !+-#, PSTN, ISDN3.

R"2ista &ati3ni! -oisni-a T!" Ho&" 4ocation R"2ist" H4R#

Rist#+ !#ti%i/ (o+is%i(# s#d+-i i%9o+!#&i* o (o+is%i&i!# (o*i s) +ist+i+#%i ) !+-i to

GSM o+#t+#. Osi! os%o%i/ i%9o+!#&i*# o (o+is%i() HBR os*d)* i%9o+!#&i*) doo;*%)

d# s +)ti+# do;#$%i o$i (# (o+is%i(). HBR os*d)* s;*d= i%9o+!#&i*− M@)%#+od%) id%ti9i(#&i*) !o"i;%o (o+is%i(# T/ I%t+%#tio%#; Mo"i; s)"s&+i"+

Id%tit 7 IMSI3,

− ISDN+t;#t%i(i3 "+o* !o"i;% st#%i& T/ Mo"i; st#tio% ISDN N)!"+ 7 MSISDN3 i

− Ad+s) VBR, ) (o*o* s %#;#$i id%ti9i(#&i*# t+%)t% ;o(#&i* !o"i;% st#%i&.

R"2ista 2ost++5i! -oisni-a T!" Visito 4ocation R"2ist" V4R#

VBR s#d+-i i%9o+!#&i*) o t+%)t%o* ;o(#&i*i !o"i;%o (o+is%i(# (o*i * +i*#;*% ) !+-i.

Bo(#&i*# (o+is%i(# s id%ti9i&i+# t#(o to * $o%# o(+i#%*# &i*; !+- odi*;*%# %# $o%

;o&i+#%*# ;otio% #+#3. N# os%o) t+%)t% id%ti9i(#&i* $o% ;o&i+#%*# +i s +)ti+#%*

do;#$%o o$i#.

K#d# s (o+is%i( %#;#$i ) L+o!i%) !+-# # +ist+i+# t#(o to !) dod*;*)* +i+!%i

L+o!i% "+o* Mo"i; S)"s&+i"+ Ro#!i% N)!"+ 7 MSRN3 i o% s )# ) VBR. VBR

s#d+-i s;*d= od#t(

− Ro!i% "+o* !o"i;%o (o+is%i(#, $# ost)*)= (o+is%i( Mo"i; St#tio% Ro#!i% N)!"+ 7 MSRN3,


6/18

− P+i+!%) id%ti9i(#&i*) !o"i;%o (o+is%i(# T!o+#+ Mo"i; S)"s&+i"+ Id%tit

TMSI3, (o*# s (o+is%i() dod*;*)* +i;i(o! );#s(# ) !+-) d+)o o+#t+#,

− Id%ti9i(#&i*) $o% ;o&i+#%* ) (o*o* s t+%)t%o %#;#$i !o"i;%# st#%i i $# !#ti% i $#

ost)*)= (o+is%i(, i

− Pod#t( o dod#t%i! )s;)#!# (o* s) %# +#so;##%*) (o+is%i().

C"nta 'a na%'o i +6a0lan" O6"ation an% Maint"nanc" C"nt" OMC#

Ko+ist=i 9)%(&i* i od#t( OMC o+#t+ !+- +i %#d$o+ i )+#;*#%* !+-o!.

R"2ista i%"nti/i-acia -oisni3-" o6"&" T!" E7+i6&"nt I%"ntit) R"2ist" EIR#

S#d+-i *d%o$%#% id%ti9i(#&i* (o+is%i( o+!. Mo"i;%# st#%i s id%ti9i&i+# so*i!

IMEI I%t+%#tio%#; Mo"i; E)i!%t Id%tit3. IMEI * *d%o$%#%# id%ti9i(#&i*# !o"i;%

st#%i& %# ;o"#;%o! %io). IMEI s )tis()* i MS ) +o&s) +oi$od%*, od st+#%

+oi$o@## st#%i&.

M+-%i o+#t+ !o- (;#si9i&i+#ti +i*#;*% MS %# s;*d=i %#i%

− "i*;# ;ist# !o"i;% st#%i& (o* !o) d# (o+ist !+-),

− &+%# ;ist# !o"i;% st#%i& (o* % !o) d# (o+ist !+-), i

− si# ;ist# !o"i;% st#%i& (o* !o) d# (o+ist !+-), #;i s %*i/oi o$ii +#t.

Kanali na a%io int"/"s+ 8SM &"9"

GSM +#dio i%t+9*s (o+isti di* t/%i( !);ti;(si+#%*# 9+(%&i*s()F+)%& Diisio%

M);ti; A&&ss 7 FDMA3 i +!%s() Ti! Diisio% M);ti; A&&ss 7 TDMA3.

F+(%&i*s(i !);ti;(s GSM 8:: !+- ;o&i+# 12> 9+(%&i*s(i/ (#%#;# $# s#(i od

s!*+o# +i*%os# MS7TS, TS7MS3. S!*+ MS7TS (o+isti os 48:781> MH$, # TS7

MS os 85>786: MH$. F+(%&i*s(i (#%#;i s) !@)so"%o +#$!#(%)ti $# 2:: (H$, #

+#$;i(# i$!@) (#%#;# dodi*;*%# *d%o! o$i) );i%(do0%;i%(3 * MH$. S#(i

9+(%&i*s(i (#%#; * dod#t%o +!%s(i !);ti;(si+#% %# 4 (#%#;#, t+#*#%*# :.>'' !s. its(#

"+$i%# s#(o (#%#;# * 22.4 ("its, # +%os s si%#;% i%9o+!#&i* i oo+. N);ti (#%#; s

% (o+isti $"o i%t+9+%&i* s# d+)i! sist!i!#, # i!# )()%o 12


7/18

:. $ODSTISTEMI 8SM MREŽE

Podsist!i GSM !+- s)

− odsist! "#$% st#%i& #s St#tio% Sst! 7 SS3,

− odsist! $# (o!)t#&i*) i +)(o#%* S0it&/i% #%d M#%#!%t S)"sst! 7 SMSS3, i

− odsist! $# %#d$o+ i )+#;*#%* O+#tio% #%d M#i%t%#%& S)"sst! 7 OMSS3.

2.1. Podsistem bazne stanice

SS )(;*))* 9)%(&i* 9i$i(o s;o*# OSI !od;# ) !o"i;%o* st#%i&i i odsist!) "#$%

st#%i&. N# +#dio i%t+9*s) i$!@) SS i MS +#$;i()*) s di* +st ;oi(i/ (#%#;#

− S#o"+#=#*%i (#%#;i T+#99i& &/#%%;s TCH3, i

− Si%#;%i (#%#;i.

S#o"+#=#*%i (#%#;i s;)- $# +i*%os (o+is%i(i/ i%9o+!#&i*# i oo+#, # osto* di* +st

s#o"+#=#*%i/ (#%#;#

− S#o"+#=#*%i (#%#;i )% "+$i% 9);; +#t TCHF3 i

− S#o"+#=#*%i (#%#;i s# o;# "+$i% /#;97+#t &/#%%;s TCHH3.

Si%#;%i (#%#;i s) odi*;*%i %#

− di9)$%i (o%t+o;%i (#%#; "+o#dst &o%t+o; &/#%%;s CCH3,

− $#*d%i(i (o%t+o;%i (#%#; &o!!o% &o%t+o; &/#%%; CCCH3,

− s#!ost#;%i (o%t+o;%i (#%#; st#%d7#;o% dditd &o%t+o; &/#%%; SDCCH3 i

− +id+)-%i (o%t+o;%i (#%#; #sso&i#td &o%t+o; &/#%%; ACCH3. +id+)-%i * )i*(

+id+)-% TCH i;i SDCCH3.

Dod#t%# od*;# si%#;%i/ (#%#;# %# SS +#dio i%t+9*s) s +i t#(o to s) ti+i SDCCH

(#%#;# %# isto! 9i$i(o! (#%#;) (#o i CCCH SDCCH


8/18

− P+id+)-%i (o%t+o;%i (#%#; s# o;# "+$i% $# "+$) si%#;i$#&i*) H#;97+#t 9#st #sso&i#td

&o%t+o; &/#%%; FACCHH3,

− P+id+)-%i (o%t+o;%i (#%#; )% "+$i% $# (o%t+o;) TCHF S;o0 TCHF #sso&i#td

&o%t+o; &/#%%; SACCHTH3,

− P+id+)-%i (o%t+o;%i (#%#; s# o;# "+$i% $# (o%t+o;) TCHH S;o0 TCHH #sso&i#td

&o%t+o; &/#%%; SNCCHTF3,

− So+i (o%t+o;%i (#%#; +id+)-% SDCCH< S;o0 SDCCH< #sso&i#td &o%t+o; &/#%%;

SACCHC


9/18

2.%. Podsistem za nadzor i održavanje (Operation and maintenance subs#stem & O'MS$

U o(i+) OAM odsist!# s) o(+i% i +#$;iit 9)%(&i* $#% $# si)+%ost GSM !+-.

Si)+%ost s +#;i$i+# #;id#&i*o! ;!%#t# GSM !+-, # %# os%o) %*i/oi/ id%ti9i(#&i*#

(o* s %#;#$ ) &%t+) $# #)t%ti9i(#&i*) A)t/%titio% C%t+ 7 AUC3. Id%ti9i(#&i*

(o+is%i( o+! s %#;#$ ) +ist+) id%ti9i(#&i*# o+! E)i!%t Id%tit Rist+ 7

EIR3. S#(# !o"i;%# st#%i i!# so*) IMEI id%ti9i(#&i*).

OAMS od+-## i (o%t+o;i+# GSM !+-) +(o &%t+# $# %#d$o+ i od+-##%* O+#tio%s #%d

M#i%t%#%& C%t+ OMC3, # ) s;)#*) &%t+#;i$i+#%o %#d$o+# ) !+-i osto* *d#% i;i i

&%t#+# $# %#d$o+ !+- Nt0o+( M#%#!%t C%t+ 7 NMC3.

Os%o% 9)%(&i* OAMS s)

13 F)%(&i* $#% $# #d!i%ist+#&i*) i (o!+&i*#;%i %#d$o+ !+-, # +)()*)

− (o+is%i&i!#

− t+!i%#;i!#

− t#+i9i+#%*!

− (o+is%i(i! +#)%i!#

− st#tisti(o!

23 Si)+%ost !+-

53 P+9o+!#%s#!# i +#do! !+-,

3 Od+-##%*! !+-.

4


10/18

;. ADRESIRANJE, NUMERIRANJE I IDENTIFIKACIJA U 8SMMREŽI

%.1. denti)ikacija korisnika mreže

S#(i (o+is%i( !o"i;% !+- s id%ti9i&i+# *di%st%o! !@)%#+od%o! id%ti9i(#&i*o!

!o"i;%o (o+is%i(# I%t+%#tio%#; Mo"i; S)"s&+i"+ Id%tit 7 IMSI3. IMSI s %#;#$i ) SIM

(#+ti&i !o"i;% st#%i&.

R#di o)#%*# IMSI (o+is%i( id%ti9i(#&i* +i;i(o! L+o!i%# ) d+)o* GSM !+-i

(o+is%i() !o=i = "iti dodi*;*% TMSI T!o+#+ Mo"i; S)"s&+i"+ Id%titis TMSI3. VBR

od+-## $) i$!@) TMSI i IMSI, (o*i s i d#;* %#;#$i ) !#ti%o* !+-i !o"i;%o

(o+is%i(#, ) HBR +ist+).

%.2. Struktura MS

S;i(# 5. St+)(t)+# IMSI

IMSI s s#sto*i od t+i o;*#

Kod d+-# Mo"i; Co)%t+ Cod MCC3, t+i &i9+,

Kod !o"i;%o o+#t+# Mo"i; Nt0o+( Cod MNC3, id%ti9i&i+# !#ti%) !+-),

Id%ti9i(#&i*# (o+is%i(# ) o(i+) !#ti% !+-.

8


11/18

U()%o IMSI i!# %#*i 1> &i9#+#. N#&io%#;%# id%ti9i(#&i*# !o"i;%o (o+is%i(# s s#sto*i

od MNC i MSIN o;*#.

%.%. Struktura identi)ikacije zone lociranja

S;i(#


12/18

S;i(# >. St+)(t)+# ;o"#;% id%ti9i(#&i* =;i*

%.*. Planovi numeracije za mobilne korisnike

Mo"i;%i (o+is%i&i os*d)*) so*) #d+s)t;9o%s(i "+o* (o*i s %#$i# MSISDN !o"i;

s)"s&+i"+ ISDN3 "+o*, d9i%i+#% ) ITU7T +o+)&i E.16


13/18

N#&io%#;%i od+di%i (od s dod*;*)* GSM !+-i ) s#(o* d+-#i, # !o- s dsiti d# *d%# !+-#

i!# i NDC.

%.. Meunarodna identi)ikacija mobilne stanice 3 M4

St+)(t)+# !@)%#+od% id%ti9i(#&i*# !o"i;% st#%i& T/ I%t+%#tio%#; Mo"i; st#tio%E)i!%t Id%tit IMEI3 * +i(#$#%# %# s;i&i '.

S;i(# '. St+)(t)+# IMEI

IMEI s s#sto*i od s;*d=i/ ;!%#t# s#(i ;!%t 3 i!# is(;*)io d&i!#;% &i9+

Kod dodi*;*% ti) T A;;otio% Cod 7 TAC3, d)-i% 4 &i9#+#,

S+i*s(i "+o* S+i#; N)!"+ 7 SNR3, (o*i *di%st%o id%ti9i&i+# o+!) ) o(i+) *d%o

TAC. D)-i% 6 &i9#+#,

R$+# S#+ diit3. K#d# MS #;* IMEI o# &i9+# !o+# "iti ost#;*%# %# %);).

C%t+#;%o;o"#;%o3 ti*;o dod*;*)* TAC, # +oi$o@# o+! dod*;*)* SNR, s+i*s(i

s#(o* %oo* MS to ti#.

12


14/18


15/18

S;i(# 8. P+i!*+ BAPD! (o%9i)+#&i* ) !o"i;%o* st#%i&i

1


16/18

=AK4JU>AK

T!;*! osti%)to so+#$)!# i otis#%o !!o+#%d)!# do"i% * GSM, #%)+os(ist#%d#+d $# !o"i;% t;(o!)%i(#&i*. GSM s)st#i s) ot)%o (o!#ti"i;%i s# ISDN7o!,

t#(o d# i/ * ;#(o i!;!%ti+#ti ) o% !+- d* * +i*;#$%i +iod ) diit#;i$#&i*i *#%i/

t;(o!)%i(#&i*s(i/ !+-# = osti%)t.

Os%o%# +d%ost diit#;%o s)st## * !%oo =i (##&itt ) od%os) %# #%#;o% s)st#,

to s osti- t/%i(o! !#;i/ =;i*#. S#! oso"i% GSM s)st## i$is()*) ot)%o d+)#i*i

+ist) =;i*s(o! ;#%i+#%*). Os%o% +tost#( 8:: MH$ s(t+# s) !#;i do!t "#$%

st#%i&, *+ * i s%## od#i;*## "#$% i !o"i;% st#%i& !#%*# )$ %(o+it%* (#%#;#s)s*d%i/ =;i*#. Ti! s) s isto(#%#;% i%t+9+%&i* s!#%*i; %# +;o !#;) +#$i%). Diit#;%#

t/%i(# +)-# i $#id%) (#;itt) +i*%os# oo+#, otoo *d%#( o%o* ) 9i(s%o* !+-i.

?#tit# od +is;)(i#%*# * %# +;o iso(o* +#$i%i, $# +#$;i() od #%#;o%i/ s)st## d*

+is;)(i#%* +#$oo+# %i* %(i +o";!. Osi! diit#;i$#&i* oo+# +oodi s +;it#%*

+!%s(i/ ";o(o#, i9+i+#%* #;o+it!i A5,A>,A43, (odi+#%* (#%#;# t#(o d# * s#(o

#!#t+s(o +is;)(i#%* s d#%#%*o! t/%o;oi*o! %!o)=. Osi! +i*%os# oo+#, GSM

s)st# o!o)=)* i +i(;*)#( +#)%#;# %# !o"i;%) st#%i&) +(o odo#+#*)= PCMCIA(#+ti& t * t#(o !o)= s;#ti +#)%#;% od#t( E!#i;, I%t+%t3 i t;9#(s o+)( do "+$i%

86:: "#)d#.

Pos"%# $#%i!;*iost * i SMS, !o)=%ost s;#%*# o+)(# d);*i% do 16: $%#(o# si!

+t;#t%i&i!# "$ o"$i+# *s) ;i i! !o"i;% st#%i& )(;*)%. GSM +)-# !o)=%ost

s;o"od%o (+t#%*# +#dio!o"i;%i/ +t;#t%i(#, +i!#%* i od#i;*#%* o$i# ) s#(o!

t+%)t() %ois%o o to! ) (o*o* s $!;*i %#;#$. O# 9)%(&i*# %#$i# s !@)%#+od%o

s;o"od%o (+t#%* !o"i;%i/ +t;#t%i(# i ot)%o * #)to!#ti$i+#%#. U od%os) %# $#st#+*;

#%#;o% s)st# s%## (o*) t+oi +d#*%i( !o"i;% st#%i& * !%oo !#%*#, t !o"i;%#

st#%i !o- +!# ot+"i !i*%*#ti s%#) +d#*%o si%#;# i! s +od);*i i*(

#)to%o!%o +#d# !o"i;% st#%i&. Vod=i s*ts(i +oi$o@#i t;(o!)%i(#&i*s(i/

t/%o;oi*# +#$i;i s) s)st# !o"i;% s#t;its( t;9o%i* G;o"#;st#+, I+idi)!3. S#t;iti = "iti

s!*t%i %# %is(o* o+"iti t#(o d# = so*i! si%#;o! +(+i#ti it#) o+i%) ?!;*.

Mo"i;%# st#%i i!#t = !o)=%ost )ot+" o"# st#%d#+d# G;o"#;st#+ i;i I+idi)! i GSM3.

T#(i s)st#i = "iti %#do+#d%*# d#%#%*i! GSM s)st#i!# i +*##t = +o";!

(o!)%i(#&i* ) !*sti!# s;#" o(+i%osti )sti%*, t(o +o/od%# od+)*#, !o+#...3. I#(o

1>


17/18

* +o";! (#;itt% (o!)%i(#&i* +i*% )o@%*! diit#;% !o"i;% t;9o%i*, od=i

s*ts(i +oi$o@#i +#$i*#*) %o s)st# UMTS3, (o*i! s d#* %#;#s#( %# i! =

"+$i% +i*%os# diit#;%o si%#;#, +i*%oso! !);ti!di*#;%i/ od#t#(#. Osi! +i*%os#

oo+#, $)(#, od#t#(#, t;9#(s#, ido s;i(, +t;#t%i( = i!#ti !o)=%osti +;o "+$o

+ist)# I%t+%t), t * &i;* s# to 9i(#s%i* is(o+istiti +i*! !od+%o os;o%o

o*(#.

16


18/18

Documents

Ana Krešo Maturalni Rad