Стратегия и решения Nokia Siemens Networks для опорной сети SAE. Варианты интеграции опорных сетей GSM/WCDMA/SAE. Реализация голосовых и мультимедиа услуг для сети LTE/SAE Владимир Шапоров Москва, 09 сентября 2009 года LTE Road Show 2009 1 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Long term evolution goes live Evolved Packet Core Market needs and trends 2 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров How to streamline core network to meet future requirements? Meet the capacity requirements Streamline network architecture FR E1/T1 ATM IP Cost efficiency required Provide all services over a single networking technology 3 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров From walled garden to open Internet services Mobile Broadband; 2G/3G GPRS HSPA, HSPA+, I-HSPA, LTE WAP, Open Services downloads Internet €/kbit €/min €/piece All you can eat Max 5 GB/month Charging max 1Mbit/s 20 € model WAP Ringtone Music 20 €/month Service Operator and partner services awareness and DPI WAP Ringtone Music Type of Differentiated Net neutrality control online charging Statistics collection for network planning and optimization 4 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Solutions to meet future core network needs Evolved Packet Core elements optimized according to their roles in 3GPP R8: MME: S-GW and P-GW: Mobility Broadband connectivity Centralized control management Policy Enforcement Centralized/distributed gateways Transaction and Throughput capacity Packet processing signaling capacity to support capacity to support to support mobility data services’ growth real-time services 5 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Packet Core Evolution in 3GPP network Direct tunnel I-HSPA LTE/SAE HSPA R6 HSPA R7 HSPA R7 LTE R8 GGSN GGSN GGSN SAE GW/ GGSN SGSN SGSN SGSN MME/ SGSN RNC RNC Control User plane plane Node-B Node-B Node-B eNode-B • Direct Tunnel is mandatory in 3GPP R8 • As the only vendor in the idustry we already support direct tunnel as optional SW feature in Nokia Siemens Networks SGSN • Our SGSN is SW upgradable to MME • SAE GW functionality will be introduced on Next Generation Flexi ISN hardware platform 6 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Packet Core Evolution LTE Network Architecture – 3GPP RAN Evolved Packet Core (EPC) PCRF Combi S7c BSC SGSN/MME 2G Gb S7 SGSN SAE Gateway S4 Rx+ Iu Serving PDN RNC S5 GW 3G GW SGi S12 S3 NodeB Operator S11 S1-U Services S1-MME MME LTE S6a Internet eNodeB Corporate S10 Services Non 3GPP S2c AAA ePDG Untrusted Non-3GPP S2b IP Access HSS Trusted Non-3GPP Control plane S2a User plane IP Access 7 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Long term evolution goes live Evolved Packet Core NSN Vision and Solutions 8 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Key milestones Nokia Siemens Networks packet core 2000 1st in packet core 2002 Service aware GGSN single access point 2003 experimental packet inspection Traffic Analyzer 2004 Flexi ISN Blade based extended GGSN 9 © Nokia Siemens Networks 2005 On-line charging policy enforcement with Diameter 2006 Nokia and Siemens bring two leaders together for more scale LTE Road Show 2009 / 2007 BitTorrent P2P detection in Flexi ISN (3GSM Barcelona) st Владимир Шапоров 2007 Combi SGSN 1 true 2G/3G multifunction SGSN 2008 Direct Tunnel SGSN defines flat core 2008 First LTE reference New Platforms! Ö “SGSN in LTE” Flexi Ö ATCA platform Network Ö 2M subscribers/bearers Server Ö 20 k eNodeBs Ö Builds on SGSN SW Ö“GGSN” in LTE Ö ATCA platform Flexi Ö Up to 50 Gbps Network Gateway Ö Up to 5M bearers Ö Scalable from small to large 10 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Introducing 3GPP R8 compliant Evolved Packet Core for mobile broadband • Dedicated control plane element for optimized handling of signaling Flexi NS traffic 3GPP • High transaction and connectivity accesses Control plane Content and service 3G Flexi NG networks MME / 3G SGSN LTE User plane S-GW / P-GW / GGSN • High throughput and packet processing capacity • High signaling and connectivity capability • Flexibility to introduce intelligence in mobile IP edge 11 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Telecom class ATCA platform New technology updates available Fast time to with industry market with evolution Flexible deployment commercial options, multiple off the shelf HW chassis sizes ATCA is one of the strategic platforms in NSN. For high capacity GGSN and S-GW/P-GW an ATCA platform was preferred over router based platforms due to better cost performance and more flexibility. 12 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Cost efficiency in the key dimensions Flexibility MME Scaling according to your needs in network MME design Subscribers Transactions S-GW / P-GW S-GW Throughput in Gbit/s and pps S-GW/P-GW P-GW Cost efficiency All-IP High capacity, low latency network to provide all services 13 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Long term evolution goes live Evolved Packet Core Evolution to Voice over LTE 14 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Common voice control solution provides smooth evolution to voice over LTE Business Support System 2G CS/PS MGW MSS NVS IMS MSS / NVS for voice call connectivity 3G CS/PS Content SGSN / GGSN / and MME S-GW and P-GW service networks LTE Evolved Packet Core 15 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Inside NSN Voice over LTE Solution “Fast Track Voice over LTE” AS AS AS BGCF HSS CSCF IMSIMSMGCF BCF PDF MGW Rel 8 PC 2.0 Rel.2 Rel 7 Rel 1 Rel 6 Rel 5 Broadband Cable Mobile All Standards point to IMS and SIP technology as key drivers for converged networks 16 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров LTE used for high speed data Primary voice service with Fallback to CS (CSFB) Laptop with Data MME LTE data card SAE GW Internet LTE/2G/3G LTE radio capable network Control plane interface Operator CS voice to enable CSFB IP network Broadband Increased Full IMS LTE radio centric introduction efficiency for multimedia voice service service architecture LTE LTE IP LTE o 2G/3G CS IP HSPA & I-HSPA HSPA & I-HSPA o HSPA & I- V V 2G/3G n S n HSPA o IMS o ti ti 2G/3G lu to lu e NV n so network c so io u t d u l o o tr v In NVS E MSC Server MGW MGW I PS PS MSS MSS PS M System NVS S • LTE deployed as high speed data to address data growth • Voice mainly circuit switched • CS Fallback for voice allows to continue using existing MSC Servers 17 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Smooth transition – Fast Track VoLTE (VoIP over LTE) Primary Voice service to MSC Server with IMS-ready upgrade VoIP MME LTE PS/VoIP capable SAE GW Internet LTE radio network Control plane interface SIP Rx/Gx OperatorOperator to enable CSFB and SRVCC VoIP IP IPnetwork network CS voice Broadband Increased Full IMS 2G/3G CS LTE radio centric introduction efficiency for multimedia voice service service architecture LTE LTE IP network LTE o IP HSPA & I-HSPA HSPA & I-HSPA o HSPA & I- V V 2G/3G n S n HSPA o IMS o ti ti 2G/3G lu to lu e NV n so MSC Server c io so u t d u l o o tr v In NVS E MGW MGW I PS PS MSS System / NVS MSS M PS NVS S • By upgrading MSS with NVS VoIP SW and adding an IMS-ready hw unit secures a fast track to VoIP over LTE – a smooth evolution step towards IMS • VoIP as primary voice service with QoS and LTE to 2G/3G voice continuity • Full CS infrastructure and business systems reuse 18 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Fast Track VoLTE for MSS based evolution with investment protection and OPEX savings SMSC Billing Prepaid O&M LI •LTE functionality expansion to existing MSS with Fast Track VoLTE – Nokia Siemens Networks mobile VoIP Server (NVS) upgrade LTE Access Controller on and OPEX savings IP-Tra nsport MSS/NVS •No integration costs to existing administrative and support systems: Provisioning, Billing, Prepaid, O&M, Legal Investment protecti Interception, etc. LTE 2G/3G Radio Access Radio Access Broadband • Excellent TCO 19 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Live at MWC09: LTE VoIP calls at NSN stand NSN lab in Munich LTE call MGW MGCF IMS NVS Public GSM network Visitor terminal at the stand Live LTE radio interface Live radio and core equipment in a shielded box in the machine room Public Internet MME NCS LTE demo BTS Flexi Multiradio BTS S-GW P-GW terminal antenna Stand Machine room in the backstage of the stand 20 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Communication Suite – the RCS enabler Let your customers enjoy your services over the Internet Communication Key • SIM USB STICK • One number • SIM authentication • Rich communication • Future services 21 © Nokia Siemens Networks LTE Road Show 2009 / Владимир Шапоров Single Radio Voice Call Continuity (SRVCC) Operator VoIP control for LTE LTE PS/VoIP VoIP IMS Internet capable MME and VCC LTE radio network SAE GW Interworking function Operator enabling PS to CS IP network CS voice handover 2G/3G CS network MSC Server System • IMS is the 3GPP standardized connectivity control machinery for voice and multimedia sessions • MME makes a handover for PS voice session • Interworking function is needed between MME and MSS • Voice session is handed over to 2G/3G CS voice, procedure is standardized in 3GPP Rel-8 • Simulatenous voice and data sessions can be supported: - In 3G network when multi-RAB is enabled - In 2G