Copyright© 2005 NTT DoCoMo, Inc. All rights reserved Localized Mobility Management for 3GPP All IP Network ~ with New Access Technology~ Katsutoshi Nishida NTT DoCoMo Inc.

Copyright© 2005 NTT DoCoMo, Inc. All rights reserved 2 GlossaryGlossary u3GPP Terms nInter-AS-MM: Inter-Access System Mobility Management nPCRF: Policy and Charging Rules Function nHSS: Home Subscriber Server nGPRS: General Packet Radio Service nGERAN: GSM Edge Radio Access Network (2G radio) nUTRAN: Universal Terrestrial Radio Access Network (3G radio) nHSDPA: High Speed Downlink Packet Access nLTE: Long-Term Evolution (3G radio technology evolution) uNGN Terms nDVB: Digital Video Broadcast nISDB-T: Integrated Services Digital Broadcasting Terrestrial nPSS: Packet-switched Streaming Service nMSI: Mobile Support system for mobility at the Inter-access level which can support seamless hand over nFMC: Fixed Mobile Convergence

Copyright© 2005 NTT DoCoMo, Inc. All rights reserved 3 Evolved UTRAN ~ 3GPP New Access Technology ~ uThe Long-term technology evolution for keeping the continuous growth of 3GPP wireless link technology towards … nhigh data rate nlow latency npacket optimized 1980s1990s2000s2010s2020s 1G 2G 4G Technical study : Evolved UTRAN Long-term Evolution Long-term Evolution R99 Launch R99 Launch Commercial deployment: Release 99 3G Specifications and system development: HSDPA, Uplink Enhancement Release 5&6 Release 5&6 Release 99 - initial UTRAN specification

Copyright© 2005 NTT DoCoMo, Inc. All rights reserved 4 LTE Target Specification Spectrum HSDPA, Uplink Enhancement Radio aspect 3G spectrum (2GHz band and the additional bands) Radio Access 5MHz 1.25, 2.5, 5, 10, 20MHz Carrier Bandwidth Data Rate 384kbps - 2Mbps14.4Mbps UTRAN RTT Several 100s msec Several 10s to 100 ms NW aspect Release 99 Long-term evolution Release 5&6 Packet Switch only Circuit Switch and Packet Switch Evolved UTRAN New elements ( OFDM, MIMO, etc) < 10ms 50Mbps (uplink) 100Mbps (downlink) Mobility - 350km/h -120 km/h (at least 384kbps) - 120km/h W-CDMA Direct-Sequence CDMA u3GPP has started to discuss about requirements and specifications for LTE. uStandardization work will be completed by mid 2007.

Copyright© 2005 NTT DoCoMo, Inc. All rights reserved 5 ALL IP Network Architecture ~ Work of 3GPP: System Architecture Evolution ~ AIPN includes IP core network and provides IP Multimedia services by IMS platform. seamless mobilityAIPN IP core NW supports the mobility required by cellular operators, e.g., seamless mobility ALL IP Core Network Architecture IP Services (IMS, etc…) GERAN UTRAN GPRS Core Evolved Packet Core PCRF2 HSS AAA interface Evolved Access Evolved UTRAN Internet Inter-AS MM WLAN 3GPP IP Access Internet Target of ALL IP Core NW New Access Technology Current network still remains Evolved UTRAN

Copyright© 2005 NTT DoCoMo, Inc. All rights reserved 6 IMS Core transport functions Metro Ethernet WiMax RAN WiFi Hotspot MSI GERAN UTRAN DVB/ ISDB-T RAN Internet GPRS Core NGN includes IP core network and provides IP Multimedia services by IMS platform. NGN IP core NW may support nomadic mobility for FMC. seamless mobilityNGN IP core NW may also provide seamless mobility for real-time traffic with MSI. An example of NGN realization Fixed (e.g. DSL) Next Generation Network (NGN) Architecture ~ Work of ETSI TISPAN and ITU-T FGNGN ~ Mobility management for AIPN can be used for NGN mobility as well ETSI: European Telecommunications Standards Institute TISPAN: Telecommunications and Internet converged Services and Protocols For Advanced Networking ITU-T: International Telecommunication Union- Telecommunication Standardization Sector FGNGN: Focus Group Next Generation Network

Copyright© 2005 NTT DoCoMo, Inc. All rights reserved 7 Expectation for NETLMM Protocol From 3GPP Work uFuture Network with Evolved UTRAN needs to transport huge amount of packets efficiently nNetwork will be IP based network (All IP core Network), to receive the advanced features of the Internet technologies. uAll IP core network provides mobility with; nSeamlessness (high quality handover) nSupport for heterogeneous wireless access technologies nNetwork Controlled nEfficient use of wireless resources etc. From NGN Work uTo realize FMC, the same level of requirements exists in NGN as well We expect NETLMM protocol to satisfy the needs of ALL IP core Network and Next Generation Network