1QoS in UMTSContent Introduction to QoS UMTS QoS ArchitectureIntroductionUMTS Bearer Service Architecture UMTS Quality of Service classes Role of the UMTS Bearer Service ArchitecturePDP context and AP conce!tsQoS Para"etersPossi#ility to re$uest QoS Attri#utesRoles of % and UTRA Mapping of QoS parameters Mapping of QoS parametersMa!!in& of UMTS Bearer to Radio Access Bearer !ara"etersMa!!in& of Radio Access Bearer !ara"eters to Radio Bearer !ara"eters'"odes(eneral exa"!le)QoS mapping between layersUE maps application needs to a QoS profle(PDP context QoS profle)SGSN maps QoS profle to RAB QoS(RAB assignment parameters)RAN maps RAB QoS to Radio Bearer QoSRAN reserves internal resorce*Mapping of UMTS Bearer parameters to RAB parameters QoS Para"eters are "a!!ed onto UTRA QoS Para"eters +RAB !ara"eters,-All !ara"eters are the sa"e. exce!t SDU error ratio. residual B/R and Transfer Delay. 0hich are "a!!ed to the !ro!ortional !art of res!onsi#ility in the RA side1or exa"!le- total transfer delay re$uire"ent is *22 "s- this is divided in )32 "s delay re$uire"ent for the RA and 32 "s4 for the %5Radio Bearer mapping of UMTS traffic classes*(PP standards offers a 0ide ran&e of trans!ort #earer services. and selection is #ased on the o!ti"al "atchin& #et0een radio #earer ca!a#ility and UMTS #earer QoS needAll traffic classes can #e transferred "ore than one 0ay. de!endin& on QoS !ara"eter details6ery de!endent on the radio technolo&y +(PRS. /D(/. 7%DMA,Selection of-%hannel ty!e +dedicated ' shared,Trans"ission "odes +A%8. A%8.9,/rror !rotection ty!e93Mapping of RAB parameters to Radio Bearer parametersMACD e d i c a t e d S h a r e dC O N V E R S A T I O N A LRLCU n a c k n o w l e d g e dS e g m e n t a t i o n - L AC i p h e r i n gT r a n s p a r e n tL A - C i p h e r i n gA c k n o w l e d g e dS e g m e n t a t i o n - L A -B E C - C i p h e r i n gPDCPN o n T r a n s p a r e n tH e a d e r A d a p t a t i o nF r a m i n gT r a n s p a r e n tN o H e a d e rS T R E A M I N !P"#T C " P D T C "MACD e d i c a t e d S h a r e dI N T E R A C T I V ERLCU n a c k n o w l e d g e dS e g m e n t a t i o n - L AC i p h e r i n gT r a n s p a r e n tL A - C i p h e r i n gA c k n o w l e d g e dS e g m e n t a t i o n - L A- B E C - C i p h e r i n gPDCPN o n T r a n s p a r e n tH e a d e r A d a p t a t i o nF r a m i n gT r a n s p a r e n tN o H e a d e r$ A C % ! R O U N DP"#T C " P D T C ":%reate PDP %ontext Re$uestActivatePDP %ontext Re$uestMapping of QoS parametersGeneral ExampleUE !RSMUTRA" SGS" GGS"Perform Query to DNS with APN to obtain GGSN addressSM(TP;% (TP;%%reate PDP %ontext Res!onse(TP;% (TP;%ActivatePDP %ontext Acce!tSM SMRequest ValidationIncludin& desired UMTS Bearer QoS !rofileThe S(S checR if the re$uested QoS !rofile can #e !rovided to that user4 In case any !ara"eter is not allo0ed. the =>R !ro!oses a do0n&rade of this !ara"eter +negotiated QoS !rofile,Includes negotiated QoS !rofile4 If QoS e&otiated received fro" the S(S is inco"!ati#le 0ith the PDP context #ein& activated. the ((S re?ects the %reate PDP %ontext Re$uest "essa&e4 S(S "a for"attin& infor"ationThis is the 0e# !a&e text and =TM> for"attin& infor"ation7AP (7 converts =TM> for"atted !a&es to 7M> for"at7SP and 7TP "essa&es sent over UDPPDP Conte8t A&ti!ation))Ser)ices Arc+itect#re 0A& 647 protocol stac$7AP )42 is #ased on the =TTP'T%P !rotocol stac TC&TT& '& to5from 0A&/ser)er '&/addressTC&TT& Ser)ices Arc+itect#re 0A& 647 Arc+itect#re%ontent 0ith =TTP #et0een 7AP (7 and the 7e# Server DS Query)5Ser)ices Arc+itect#re 0A& 647 browsing signalling flow=TTP re!lies +text,=TTP re$uests +text,MS0A&G0$CP &onne&tions release0ebSer)er=TTP re$uest +text,*"SSer)erDS $ueryDS re!lyDNSQUER&$CP &onne&tion establishment=TTP re!lies +o#?ects,=TTP re$uests +o#?ects,=TTP res!onse +text,=TTP re$uests +o#?ects,=TTP re$uests +#it"a!s,!E"!#B$E%!S$CP &onne&tion establishment=TTP "essa&es sent over T%PPDP Conte8t A&ti!ation)3Ser)ices Arc+itect#re &oC introd#ctionPush to Tal< over %ellular +Po%, is a novel service that introduces a direct one;to;one and one;to;"any voice co""unication service in cellular net0or% retrans"issions=ard;handoversTrans"ission sto!!ed or do0n&raded #ecause of hi&her !riority trafficSudden increase in trans"ission delay can "a