Mobile Networks Overview & 2G Standards Comparison

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1) I M obile Networks O verview 2) II Radio Technologies 3) III 2G Standards 4) IV G SM Advantages over CDM A

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Nội dung Text: Mobile Networks Overview & 2G Standards Comparison

Mobile Networks Overview & 2G Standards Comparison Date
O uti lne I M ² obie et or O ver ew l N w ks vi ² I adi Technol es I R o ogi ² I andar II2G St ds ² I G SM V Advant ages overC D M A Locaton,Dat i e,page n° 2 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
C elul et or l arN w ks O m nidi ectonal r i U ni r i di ectonal Sect ed or Locaton,Dat i e,page n° 3 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
C elul et or H i or l arN w ks st y  1st G ener i aton:Anal N et or og w ks 1979 C hi cago AM PS 1981 Sw eden NM T 1985 U nied ngdom t Ki TAC S  2nd ener i i t et or G aton:D gialN w ks 1992 Europe G SM 900 SM /G 1800 1995 U SA I S95 C D M A) (  3rd ener i G aton:Feder i St atve andards 2000 Europe U M TS i dem SA U I T M 2000:ED G E C D M A2000 + Locaton,Dat i e,page n° 4 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
Types els or ofC l f D if entApplcatons fer i i Gl obal Sat lt elie R ural Urban I buidi n l ng M i o el cr C l Pi C el co l M acr C el o l Locaton,Dat i e,page n° 5 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
Ar t ur ofa SM et or chiect e G N w k B ase aton st i SubSyst B SS) em ( B B e a sy0 6 T T S B S B T T S S I N B SC M SC / VLR H LR / uC A B SC N et or Sub w k Syst N SS) em ( Locaton,Dat i e,page n° 6 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
O uti lne I M ² obie et or O ver ew l N w ks vi ² I adi Technol es I R o ogi ² I andar II2G St ds ² I G SM V Advant ages overC D M A Locaton,Dat i e,page n° 7 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
Ai nt f rI erace uli e M tpl Access Schem e FD M A,TD M A C D M A & FD M A TD M A CDM A Frequency Frequency Frequency C hannel3 C hannel2 Ch Ch Ch C hannel1 1 2 3 Ti e m Ti e m Ti e m C ode B andw i h i si dt D vi on Frequency i si D vi on Pseudo andom R i o equenci nt Fr es i o m e ot nt Ti Sl s C ode Locaton,Dat i e,page n° 8 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
Frequency i si M uli e D vi on tpl Access FD M A B andw i h i si i o equenci dt D vi on nt Fr es  Each useri assi s gned a Pow er slce t R F i of he spectum r FD M A  Applcatons i i Anal C elul og l ar  PS AM  MT N  TAC S Ti O ne ser U Ti Anal PM R og m m e e Frequency Anal Sat lt og elies Locaton,Dat i e,page n° 9 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
Ti e i si M uli e m D vi on tpl Access TD M A Frequency i si i o m e ot D vi on nt Ti Sl s TD M A  U ser shar one F rer s e R car i Pow er on tm e otbasi a i sl s U se r  Applcatons i i D i t l ar gialcelul  G SM ,  D PS AM Sat lt ( elie VSAT) Ti Ti m m e e Frequency Locaton,Dat i e,page n° 10 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
C ode i si M uli e D vi on tpl Access CDM A Pseudo andom ode R C Sequence Pow er  Al luser use he ie rer s t entr car i CDM A al he i e ! loft tm ! “ ead Spr Spectum ”t r echnol ogy O ne ser U 1 user= U ni 1 que gialcode di t Ot heruser = oi s N se Ti Ti m m e e  Applcatons i i Frequency D i t elul I 95) gialC l ar(S Sat lt ( l st ) elie G obal ar Locaton,Dat i e,page n° 11 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
M uli e tpl Access Schem e C D M A TD M A vs C onver i 1 saton C onver i 2 saton C onver i 3 saton TD M A CDM A Ti e m Locaton,Dat i e,page n° 12 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
The ockt lPary C ai t Anal 1/ ogy 3  Parygoer = elul t s C l arusers  1o conver i = om . t 1 saton C  R oom Fr = equency Locaton,Dat i e,page n° 13 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
The ockt lPary C ai t Anal 2/ ogy 3 FD M A,TD M A C D M A vs FD M A TD M A CDM A Locaton,Dat i e,page n° 14 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
The ockt lPary C ai t Anal 3/ ogy 3 CDM A  Peopl fom any i e r m natons speaki dif entl ng fer anguages conver i vi tansl or satons a r at  Phenom enaltansl or r at  M or parygoer => si oom e t s noi err  N oi i erer w ih se nt f es t conver i satons  “ ea Ar ofcom f t e orabl conver i saton” ( oS)decr Q eases Locaton,Dat i e,page n° 15 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
O uti lne I M ² obie et or O ver ew l N w ks vi ² I adi Technol es I R o ogi ² I andar II2G St ds ² I G SM V Advant ages overC D M A Locaton,Dat i e,page n° 16 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
M ai 2G andar n st ds  G SM TD M A ri erace ai nt f C om pl e em R adi Access C or N et or et syst ( o & e w k) Fr ope ih ord i success om Eur butw t w l w de G PR S orH i Speed at f gh D a  U S M A D M PS) S TD ( A ,I 136,TD M A  C D M A O ne,I 95,C D M A S Ai nt f ri erace y I 41 orC or N et or onl + S f e w k Fr he SA om t U and ite ltl expor tsuccess  PD C Japanese em syst Locaton,Dat i e,page n° 17 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
2G andar St ds G SM ,I 136 D PS)& S ( D M A) S ( AM I 95 C PC S 1900 800 H z M 900 M H z 1800 M H z 1900 M H z TD M A G SM I 136 S I 136 S CDM A I 95 S I 95 S Locaton,Dat i e,page n° 18 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
C elul equency l arFr Spectum l i r Alocaton 800, 900,1800 1900 & Bands 890 915 935 960 G SM 900 824 849 869 894 AM PS/ PS/ D M A D AM C 825 840 855 870 885 900 915 930 945 960 M HZ 1850 1910 1930 1990 PC S 1900 1710 1785 1805 1880 D C S 1800 M HZ 1700 1750 1800 1850 1900 1950 2000 Locaton,Dat i e,page n° 19 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.
2G andar C om parson St ds i G SM I 136 S I 95 S M uli e ccess tpl A TD M A TD M A CDM A C ar eer Spaci ng 200 z kH 30 z kH 1. M H z 25 Fr e am Length 4. 615 s m 40 s m 20 s m Sl am e ot/Fr 8 6 1 M ax Possi e at R at bl D a e 160 bi/ K ts 43. K bi/ 2 ts 115. K bi/ 2 ts N SS G SM A P M I 41 S Locaton,Dat i e,page n° 20 Al i s eser lrght r ved © 2000,Al el i cat ,Pars.