ITU/BDT Regional Seminar on Mobile and Fixed Wireless Access for Broadband Applications for the Arab Region "Mobile Next Generation s An Evolutionary path to NGN Algiers (Algeria) 1922/06/2006 Roland THIES Presentation Outline What is NGN and how it applies in Mobile s? > Mobile s Architectures > Why NGN? Mobile Evolution to NGN 2 All rights reserved 2005, Alcatel 1
What is NGN? What is NGN? NGN: Next Generation s Separation of Access Layer Transport Layer Control Layer Service Layer with Control & Transport Layers being shared by the different Access Type (RAN, Fixed ) and Service Layers with (ATM, IP) Transport converging toward IP transport for provision of Multimedia Services (Real Time, Presence, Messaging, Voice, Video, Data...) Mobile Evolution to NGN 4 All rights reserved 2005, Alcatel 2
What is NGN? Service Application Server Application Server Service Subscriber Data base Call Server Subscriber Data base Call Server Control Control + Transport Switch ISUP MAP E1/SDH Switch H.248 BICC H.248 ATM or IP Transport Access Access Mobile Evolution to NGN 5 All rights reserved 2005, Alcatel How NGN applies in Mobile s? 3
How NGN Applies in Mobile s? UMTS R99: Largely derived from GSM Last nonngn Release Features content functionally frozen 12/2000 Still Change Requests UMTS R4: NGN in Cs Domain with Separation of Control and User layers Introduction of Call Server & Introduction of ATM and IP transport instead of TDM Standard completed in March 2001 UMTS R5: NGN for IMS Introduction of MM Call Server with SIP Call Control Protocol Standard Content frozen in June 2003 Mobile Evolution to NGN 7 All rights reserved 2005, Alcatel GSM Technology Evolution UMTS Overlay UMTS EDGE is d from GSM/GPRS UMTS overlays from GSM/GPRS UMTS is d from GSM/GPRS EDGE EDGE UMTS Upgrade GSM/GPRS Ocean EDGE Mobile Evolution to NGN 8 All rights reserved 2005, Alcatel 4
3GPP Evolution 2G 2G GSM GSM Legacy Legacy Architecture Architecture TDMA TDMA 2.5G 2.5G Step Step 1 (GPRS) (GPRS) Core Core GSM GSM 2.5G 2.5G Step Step 2 (EDGE) (EDGE) GSM/GPRS GSM/GPRS for for high high speed speed data data service service 3G 3G Step Step 2 (UMTS (UMTS R4) R4) Legacy Legacy CS CS to to NGN NGN No No modification modification on on PS PS 3G 3G Step Step 1 (UMTS) (UMTS) Legacy Legacy CS/PS CS/PS CN CN WCDMA WCDMA new new Access Access AllIP AllIP Evolution Evolution 1995 2000 01 02 03 04 05 06 07 Year of Deployment Mobile Evolution to NGN 9 All rights reserved 2005, Alcatel How NGN Applies in Mobile s? CDMA 1x RTT: Extended radio technology from IS95 Last nonngn Release Release 0 in commercial service since Oct 2000 New overlay Data Serving Node CDMA 1x EVDO: Hybrid CDMA+TDMA technologies for bursty applications (High Speed Data) Requires a separate carrier (1.25MHz), mainly deployed for hot zones. Could be developed independent of IS95/1xRTT. (No /VLR needed) Commercial service in SK, China, Japan, USA CDMA 1x EVDV: NGN in Cs Domain with Separation of Control and User layers Backward compatible with CDMA2000 1xRTT Commercial service in 2005 Mobile Evolution to NGN 10 All rights reserved 2005, Alcatel 5
CDMA2000 Technology Evolution EVDO Overlay EVDO 1xRTT is d from IS95 1xEVDO overlays IS95/1xRTT 1xEVDV is d from 1xRTT 1xRTT 1xRTT IS95 Ocean EVDV 1xRTT Upgrade Mobile Evolution to NGN 11 All rights reserved 2005, Alcatel 3GPP2 Evolution 2G 2G CDMA CDMA Legacy Legacy Architecture Architecture IS95 IS95 3G 3G Step Step 2 (EVDO) (EVDO) 1xEVDO 1xEVDO access access added added for for high high speed speed data data service service 3G 3G Step Step 1 (1xRTT) (1xRTT) Core Core CDMA2000 CDMA2000 1x 1x 3G 3G Step Step 3 (MMD) (MMD) 1xEVDV 1xEVDV Access Access Multimedia Multimedia Domain Domain 3G 3G Step Step 2 2 (NGN) (NGN) Legacy Legacy CS CS to to NGN NGN architecture architecture (LMSD) (LMSD) AllIP AllIP Evolution Evolution 1995 2000 01 02 03 04 05 06 07 Year of Deployment Mobile Evolution to NGN 12 All rights reserved 2005, Alcatel 6
Presentation Outline > What is NGN and how it applies in Mobile s? > Mobile s Architectures > 2G/3G Mobile s > NGN Evolution > Why NGN? Mobile Evolution to NGN 13 All rights reserved 2005, Alcatel GSM Architecture Air interface (TDMA) OMCR OMCS A bis X.25 X.25 Mobile handset (SIM) 850 MHz 900 MHz 1800 MHz 1900 MHz BTS E1 BSS A E1 VLR MAP VM S EIR NSS ISUP/R2 E1 PSTN PLMN Mobile Evolution to NGN 14 All rights reserved 2005, Alcatel 7
CDMA Architecture Air interface (IS95) OMCR OMCS X.25 X.25 Mobile handset (no SIM, PIN) T1 450 MHz 800 MHz 1900 MHz BTS IS634 T1 VLR IS41 VM S ANSI#7 T1 PSTN PLMN BSS NSS Mobile Evolution to NGN 15 All rights reserved 2005, Alcatel 2.5G GPRS/EDGE Mobile Switching Center Circuit Gateway Mobile Switching Center Public Telephone Base Station Controller Application Servers Data Rates SGSN IP/ATM GGSN Internet GPRS 40 144 kbps EDGE 384 473 kbps Radius AAA/Billing Mobile Evolution to NGN 16 All rights reserved 2005, Alcatel 8
2.5G CDMA 1XRTT Mobile Switching Center Circuit Gateway Mobile Switching Center Public Telephone Base Station Controller Application Servers Data Rates 60 288 kbps PDSN IP/ATM Internet Radius AAA/Billing HA Mobile Evolution to NGN 17 All rights reserved 2005, Alcatel 3G WCDMA R3 (R99) Mobile Switching Center Circuit TDM/ATM/IP Gateway Mobile Switching Center Public Telephone Node Controller Application Servers SGSN IP/ATM GGSN Internet Data Rates 384 Kbps 2 Mbps Radius AAA/Billing Mobile Evolution to NGN 18 All rights reserved 2005, Alcatel 9
Presentation Outline > What is NGN and how it applies in Mobile s? > Mobile s Architectures > 2G/3G Mobile s > NGN Evolution > Why NGN? Mobile Evolution to NGN 19 All rights reserved 2005, Alcatel 3G WCDMA R4 Mobile Softswitch SS7 Application Servers Node Controller Media Gateway SGSN IP over MPLS/ATM Media Gateway Public Telephone Data Rates 384 Kbps 2 Mbps GGSN Internet Mobile Evolution to NGN 20 All rights reserved 2005, Alcatel 10
3G WCDMA R5 (IMS) Mobile Softswitch SS7 Application Servers Media Gateway Media Gateway Public Telephone Node Controller SGSN IP over MPLS/ATM MMAS MRF MMCF Data Rates 384 Kbps 2 Mbps GGSN Internet Mobile Evolution to NGN 21 All rights reserved 2005, Alcatel 3G CDMA 2000 Mobile Softswitch SS7 Node Controller Application Servers PDSN Media Gateway IP over MPLS/ATM Media Gateway Public Telephone Edge Router Internet Data Rates 2 5 Mbps Mobile Evolution to NGN 22 All rights reserved 2005, Alcatel 11
Presentation Outline > What is NGN and how it applies in Mobile s? > Mobile s Architectures > Why NGN? Mobile Evolution to NGN 23 All rights reserved 2005, Alcatel Why NGN? 1 Transport Simplification 2 Higher Scalability 3 Bandwidth Saving 4 New Services Mobile Evolution to NGN 24 All rights reserved 2005, Alcatel 12
Why NGN? 1 Transport Simplification Common Cs/Ps Only one transport backbone for Voice, Data on ATM or IP improved resources use efficiency resources sharing one network management RAN SGSN TDM Data GGSN TC PSTN /PLMN Internet RAN SGSN GGSN PSTN /PLMN Internet Mobile Evolution to NGN 25 All rights reserved 2005, Alcatel Why NGN? 1 Transport Simplification No Transit Layer No Need for Transit Layer Dynamic connection establishment between nodes in ATM through SVC, in IP through routing transit Mobile Evolution to NGN 26 All rights reserved 2005, Alcatel 13
Why NGN? 1 Transport Simplification Common Signalling/ With Signalling over IP, no Need for Dedicated Signalling simplification of transport network improved resource use efficiency SCP SCP #7 over NB (E1 TDM) # 7 over IP (Sigtran) SCP SCP Mobile Evolution to NGN 27 All rights reserved 2005, Alcatel Why NGN? 1 Transport Simplification Common CN/RAN backbone With IP in RAN in R5, Merge of CN & RAN IP Transport s simplification of transport network improved resource use efficiency SCP SCP SCP SCP ATM IP Mobile Evolution to NGN 28 All rights reserved 2005, Alcatel 14
Why NGN? 2 Bandwidth Saving End to End AMR voice transport (3G/3G Call) Bandwidth optimisation Transcoder saving Voice quality improvement R99 NGN RNC AMR G711 (64 K bits/s per channel) AMR RNC TC TDM TC RNC RNC AMR (down to 15 K bits/s with ATM AAL2 per channel) Mobile Evolution to NGN 29 All rights reserved 2005, Alcatel Why NGN? 2 Bandwidth Saving AMR in CN for 3G<>PSTN/2G PLMN Voice Call (R4) Bandwidth optimisation R99 AMR RNC TC TDM G711 (64 K bits/s per channel) TC PSTN /2G PLMN NGN RNC AMR (down to 15 K bits/s with ATM AAL2 per channel) TC TC PSTN /2G PLMN G711 (64 K bits/s per ch.) Mobile Evolution to NGN 30 All rights reserved 2005, Alcatel 15
Why NGN? 3 Bandwidth Saving (CS domain) Transport Bandwidth Efficiency (from R4 & beyond) kb/s per channel transport type G711 over TDM (reference) AMR over ATM AAL2 AMR over POS IP V4 AMR over POS IP V6 AMR over GE IP V4 AMR over GE IP V6 AMR over IP V4 over ATM AAL5 AMR over IP V6 over ATM AAL5 G711 over ATM AAL2 kb/s per voice channel kb/s per 64kb data ch. 64 15 34 44 49 59 51 51 85 64 85 121 141 151 171 153 204 N/A ATM AAL2: the most efficient for both Voice and 64kb/s Data POS: the most efficient of the IP transport 64kb/s Data: transport brings degradation but data traffic on Cs should be low w/r to voice traffic Mobile Evolution to NGN 31 All rights reserved 2005, Alcatel Why NGN? 3 Bandwidth Saving (PS domain) Transport type Byte per packet 256 byte IP packet 512 byte IP packet IP over SDH IP over ATM AAL5 267 318 525 583 IP over SDH more efficient than IP over ATM (10 to 20%) Mobile Evolution to NGN 32 All rights reserved 2005, Alcatel 16
Why NGN? 4 New Services Unified Services through standardized Interfaces services independent of access layer type (fixed, mobile, PC, Phone) one Service Platforms whatever the access layer types (unlike IN, Voice Mail for Mobile, email for fixed Internet ) Service Platform /MM Server UMTS CN Ps/Cs Internet PSTN Mobile Evolution to NGN 33 All rights reserved 2005, Alcatel Why NGN? 4 New Services IP as target transport layer with benefit of existing IP services Merge and combination of existing services Standardized Video Communication (between fixed & mobile, video conferencing & video mail) Unified messaging one mail box whatever the message (voice, text, video) & device type Multimedia Messaging Instant Messaging Mobile Evolution to NGN 34 All rights reserved 2005, Alcatel 17
Why NGN? Summary CAPEX OPTIMIZER OPEX OPTIMIZER REVENUE ASSURANCE Transport Simplification Higher Higher Scalability Bandwidth Saving Saving New New Services Mobile Evolution to NGN 35 All rights reserved 2005, Alcatel Conclusion > NGN is the separation between Control and Transport > NGN is mainly introduced in 3G UMTS R4/R5 and CDMA2000 1x EVDV > Only one transport backbone for Voice, Data on ATM or IP > Bandwidth optimisation,transcoder saving & Voice quality improvement when Mobile to Mobile/PSTN calls using TrFO > Unified Services through standardized Interfaces independent of access layer type (fixed, mobile, PC, Phone) > News Services (Merge and combination of existing services): Standardized Video Communication Unified messaging Multimedia Messaging Instant Messaging Mobile Evolution to NGN 36 All rights reserved 2005, Alcatel 18
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