1. G S M 2G Bas ic N e twork Arch ite ctu re InternetGPRS (TCP/IP) 2G SGSNPS Core GGSNGSM mobile BSS SRRi Base Station SubsystemCS Core BSC T GSM BTS C GSM SMSCi HLR mobileM mobileIndoor 2GBTS PLMN/PSTN/ISDNIN SCP HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential

2. 3G PP R99 A rchitectureInternet GPRS (TCP/IP) 2G/3G SGSN GGSN GSMmobileBSSCS Core SRRiBase Station SubsystemBSC T GSM BTSCGSM SMSCi HLRmobileMMGR WNC3G MSCmobile 3G BTS(Node B) PLMN/PSTN/ISDNIN SCPHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 3. MS C S erver - s eparates us er and controlplaneMSC 3GPP Rel99MSC Server 3GPP Rel4 MGW is a part of 3G MSC MGW is separate from MSS GSM and 3G Circuit Switching GSM and 3G Circuit Switched services Transmission is TDM Transmission is IP (also ATM can beused) Voice and signaling over IP MS Ci - M11 MS S M12ATDM based Backbone & PSTNA H.248/Megaco Sigtran Packet based Backbone (IP/ TM)AIu-CS A & Iu-CS& TDM based PSTNMGW - U1 .5 MGW - U2 control planeuser planeHUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 4. 3G PP Rel. 4 A rchitectureNetwork OperatorApplication Plane CAP/INAPCAP/INAP APSEHLR MAPMAP MSC Server Control Plane BICC-CS-2 / SIP-T MSC Server or GCS Sigtran/ Sigtran/ Megaco, H248 Megaco, H248 GSM/EDGE BSS AUser PlaneIP/MPLS/ATM 3G RAN Iu-CSPSTNBackboneMGWMGW Control Plane and User plane separated in Rel-4 HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 5. MS C S erver s ys tem brings OPE X s avings Ne w M SC Se r ve r w o r l d Vo ic e a n d s ig n a lin g l o ve r I PM S S N o t r a n s it s w it c h e s needed O &M S a v in g s F r e e M S S s it e GE RAN l c a t io n o M GWs in u n m a n n e d H .2 4 8 S ig t r a nB S C / RN C s it e s U T RAN A H ig h c a p a c it y , s m a l lM G W T r f l s m sispsaio n s a v in g s an o ro ceI P / AT MM G WI u -CS L o c a l s w it c h in g B a n d w id t h s a v in g sPS TN / I S D NHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 6. Inves tment protection C A PE Xs avingsI N Fu l s u pportl f o r e x is t in gMA s e r v ic e s PC AP / I N A GS M / E D GE s u p p o r tC AP / I N AP /M AP PH L RM AP M AP T D M , I P a n d AT M M S SM S St r a n s m is s io n 3GGE RAN GE RAN Mc Mc L o n g t e r m in v e s t m e n t A M GI P / AT MM GAp r o t e c t io n WBac k b oW neAl M S C S e r v e r s y s t e mlU T RAN U T RAN el ment se l -CS u l -CS u s u pportf u l I P M u l im e d ia ,l tPS T N / I SDN 3 GP P Re l / Re l / Re l 7 .5 .6 . HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 7. Rel.4 Network Des ign with MS S and MG Ws Network Operator Application PlaneCAP/INAPCAP/INAPAPSE HLRMAPMAPMSCServer Control PlaneBICC-CS-2 / SIP-T MSC Server or GCSSigtran/ Sigtran/Megaco, H248 Megaco, H248GSM/EDGE BSS AUser Plane IP/MPLS/ATM3G RAN Iu-CSPSTN Backbone MGWMGWControl Plane and User plane separated in Rel-4HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 8. MS C S erver, MS S (M13.2) 2G/ CS traffic control in Rel4-based networks3GO v e r v ie w Media transportation handled by MGW GSM and WCDMA call control and F u n c t io n a l yit mobility management Controls several MGWs VLR, SSP, SMS, CS-dataC a p a c it y 1 ,200,000 subscribers 1 ,200,000 BHCA 1 ,200,000 SMS/BH 41 ,500 simult. callsHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 9. Dis tributed Network A rchitecture of Us er Plane M G W will b e locate d as clos e as th e acce s s ne twork toh and le local s witch ing.A MGMSC Server W MSC Serverd e s 1 or m ore MG Wss ite incluA MG W s ite m ay h ave conne ctions to: MGW Site 1 G S M BS SWD C M A R ANMGW Site 2PS TNO th e r M G W s ite s via an inte r-s ite b ackb one : BSCMGW AMGW Ibcb nP ako eGSM A Mb c MGW e MGW T ako bn BSC TDMb c b nako eAGSM M G Ws o n th e s ite are conne cte d to e ach oth e r with anRNCIP/ATM/TDM intra-s ite b ackb oneMGWBackboneIu WCDMA Intra-s ite traffic is d is trib uMGW e ve nly am ong th e MG Ws onte dRNC Iu th e s ite WCDMAPSTN/PLMNPSTN/PLMN Dimensioning can be done according to subscriber and traffic parameters(number of 2G/3G subscribers, traffic per subscriber, call length, PSTNinterconnection point, used codec inside MSS network)HUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 10. MG W Dimens ioning C riteria Th e M G W d oe s not inclu d e any s u b s crib e r d atab as e s s o it d oe s not care ab ou t th e nu m b e r of s u b s crib e rs , only ab ou t th e am ou nt of traffic ge ne rate d b y th os e s u b s crib e rs M G W is d im e ns ione d b as e d onB u s y H ou r C all Atte m p t (BH C A)N u m b e r of S im u ltane ou s C alls# of TD M P orts R e qu ire d# of ATM P orts R e qu ire d# of IP P orts R e qu ire d# of TC U (Trans cod ing U nit) R e qu ire d# of IS U (Inte rface S ignalling U nit) R e qu ire dHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 11. MS C S erver overview Th e M S C S e rve r is a circu it-s witch e d call control p rod u ctoffe ring all G S M and 3G circu it-s witch e d s e rvice s . Th e M S C S e rve r allows op e rators to: p rovid e s am e C S s e rvice s as with an MS C com b ine trans p ort of voice and d ata (G P R S ) in a s ingle trans p ort ne twork op tim ize s ignaling & trans p ort ne tworks ,s e p arate ly p u rch as e call control and traffic cap acity h ave a cle ar e volu tion to IP b ackb one with th e M G W th e M S C S e rve r is a fu nctionality wh ich can b e u p grad e d fromth e M S C i and TM S C i ne twork e le m e nts (2G or 3G ) HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential11 NOKIA MSC Server marketing1 .PPT / 26.9.2000 / Tu/A KN 12. Integrated MS C S erver S till s u p p orts fu ll M S C i fu nctionality C ontainsG ate way M S C F u n ctionalityVis ite d M S C F u nctionalityM e d ia G ate way C ontrol F u nction 2) MSS activationMSCi - M11 1 ) M1 2 upgrade MSCi - M12 MSSGMSCVMSCGMSC VMSC GMSC VMSCSwitching IWFSwitching IWF SwitchingIWFMGCFHUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential 13. S G W in MG WMSC Server MSC ServerTDMGSM BSS IP/ATMBSC 2. TDMSGW SGW ATM/IP 3.& 4.ATM Backbone PSTN/1. MGW PLMNWCDMARNC 1) RANAP (SS7) / ATM IP 2) BSSAP (SS7) / TDM IPSIGNALING3) MAP/CAP/INAP (SS7 SCCP) / TDM IPTRANSPORT4) ISUP/TUP/IUP (SS7 MTP3) / TDM IPHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 14. Rel4 Network Interfaces & ProtocolsHLR ServicesCAP BICC for CallMAPControlH.248 forBICC, SIPMSS ATM/IP (G)MSS MGW controlNc ISUP over IPRANAP or towardsBSSAP H.248 McPSTN towardsIP H.248radio Mc IP network RANAPAAL2/AAL5AAL5/ATMATM NbSS7PSTNIu- CSTDM RTPMGW IP (G)MGWBSSAPRNCAAL2User data overA ATM BSC ATM or IP or TDM TDMHUAWEI TECHNOLOGIES CO., LTD.Huawei Confidential 15. S ecurity Level: INTE RNA LThankswww. hua we i. c o mwww.h u awe i.comHUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential