tailieunhanh - Mobile Networks Overview & 2G Standards Comparison

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