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Evolution Towards Beyond 3G

3GPP2 Evolving to Future Wireless Technology. June 27, 2005 Seoul Dr. Fumio Watanabe General Manager, Wireless Broadband System Development Department "au" Technology Division, KDDI Corporation. Evolution Towards Beyond 3G. EV-DO W31S. 1X talby. 1. Japan’s Mobile Market. W-CDMA.

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Evolution Towards Beyond 3G

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  1. 3GPP2 Evolving to Future Wireless Technology June 27, 2005 Seoul Dr. Fumio Watanabe General Manager,Wireless Broadband System Development Department"au" Technology Division, KDDI Corporation Evolution Towards Beyond 3G EV-DO W31S 1X talby

  2. 1. Japan’s Mobile Market

  3. W-CDMA CDMA2000-1X IMT-2000 Subscriber Growth in Japan Number of 2G & 3G Subs. 87,744,200 Number of 3G Subscriber 20 End of May 2005 Total 32,550,100 au 18,494,500 DoCoMo 12,882,700 Vodafone 1,172,900 18 16 37% Subscribersalready migratedto IMT-2000,May 2005 14 12 Number of Subs. ( Million) 10 02.12 Vodafone launch 8 CDMA2000-1X 02.4 KDDI launch 6 01.10 DoCoMo launch 4 W-CDMA 2 0 2002/10 2002/12 2003/02 2003/04 2003/06 2003/08 2003/10 2004/02 2004/12 2003/12 2005/02 2004/04 2004/10 2002/08 2004/08 2001/10 2001/12 2002/02 2002/04 2002/06 2004/06 Year/Month The Telecommunications Carriers Association (TCA)

  4. CDMA2000 cdmaOne PDC KDDI Seamless Migration to 3G - Successfully in Progress - 20 End of May 2005 Total Subs. 19,962,400 CDMA2000 18,494,500 cdmaOne 1,467,900 “au” Subscribers Growth 18 Nov. 2003 1xEV-DO S-in 93% subscribersalready migratedto 3G 16 Apr. 2002 1X S-in 14 12 10 CDMA2000(Incl. EV-DO) Number of Subscribers (Million) 8 cdmaOne 6 4 2 PDC 0 2004/11 2004/05 2004/07 2004/09 2005/01 2005/03 2001/07 2001/09 2001/11 2002/01 2002/03 2002/05 2002/07 2002/09 2002/11 2003/03 2003/07 2003/09 2004/03 2000/05 2003/01 2003/05 2000/03 2000/07 2000/11 2001/01 2001/03 2001/05 2003/11 2004/01 2000/09

  5. 2. Essence of “Beyond 3G”

  6. IP Centric Heterogeneous Network • Heterogeneous Network allows a variety of terminals, protocol, interconnectivity. • Services provided seamlessly independent to access network. Services and applications Download channel New radio interface Packet-based core network Wireline xDSL Digital broadcast Cellular 2nd generation WLAN type IMT-2000 Other entities Short range connectivity Complementary Access System (from ITU-R Recommendation M.1645)

  7. Essence of “Beyond 3G” Network comprising a variety of interworking access systems connected to a common packet-based core network • Various access systems (e.g. 3G cellular, a new radio Interface, W-LAN, Short range radio, and wired access, etc.) will be connected via flexible core networks. • User can be connected via a variety of different access systems to the networks. • “Access Independent Service”: Network services are provided seamlessly through variety of access supported with horizontal and vertical handover. • “4G air interface” (100Mbps / 1G bps) would be an element of “Beyond 3G” • “4G air interface” will not replace 3G radio, and it is complement to 3G radio and other access subsystems • MMD/IMS is essential toward “Beyond 3G”

  8. Enhanced CDMA2000 Evolution of Air Interface -Enhanced CDMA2000- • Improve system voice capacity (VoIP) • Increase peak transmission rate to 100Mbps (FL:100M~1Gbps, RL:50Mbps) • Improve spectrum efficiency • Reduce set-up time and round-trip delay • Reduce cost per bit • Backward compatibility with existing system 3GPP2 TSG-C has approved to initiate development of system requirements and technology specifications for Enhanced CDMA2000 air interface based on proposal by 29 members (2005/5/20, Portland).

  9. 3. KDDI “Ultra 3G” Concept

  10. Evolution of KDDI Systems Peak Rate in FL Over 100Mbps ? EnhancedCDMA2000 100Mbps Approximately 10Mbps NxEV-DO 10Mbps 3.1Mbps 1xEV-DORev. A 1xEV-DORev. 0 2.4Mbps 1Mbps CDMA2000 Evolution October 2003~ Scheduled from mid 2006 CDMA20001X 100kbps 154kbps April 2002~ Year 2010 2002 2005

  11. What is “Ultra 3G”? 3G Voice High-speed DataMultimedia B3G Super High-speed DataMultimedia 2G Voice Low-speed Data 1G Analog Voice Low CostAlways ON Ultra 3G: A convergent network including Fixed accesses and Mobile accesses (3G/B3G) to offer attractive Ubiquitous services and applications seamlessly Ultra 3G Access IndependentFMC Network Wireless Analog Voice V.90/ISDN ADSL FTTH

  12. KDDI “Ultra 3G” Concept Enhancement of the 3G network to offer the attractive services and applications seamlessly over the packet-based core network with a variety of access systems which compliment each other Integrated services Source: Rec. ITU-R M.1645 Services and applications • MMD based • IPv6 Network A variety of access systems New radio interface Download channel Digital broadcast Wireline xDSL Packet-based Core network • Enhanced CDMA2000IEEE802.16e, etc. • ADSLFTTH • IEEE802.11 a/b/g + n, e, i • CDMA2000+ EV-DO Rev.A+ NxEV-DO, etc. Cellular 2nd generation WLAN type IMT-2000 Other entities Short range connectivity Bluetooth ZigBee etc.

  13. Network Convergence 802.11 PLMN PSTN VoIP NW Circuit SwitchNW MG SG/MG/MGC SBC MMD ServiceServers MMD MSC HSS/AAA SBC LMSD MSCe IP Core ” MG Converged IP Core Network NGW PDSN Modem CDMA 1x RAN CDMA IP RAN Access AnalogPhone SIPPhone AnalogPhone MG/SG (Media Gateway/Signaling Gateway) HSS （Home Subscriber Server) SBC （Session Border Controller） B3G (Beyond 3rd generation) LegacyHandset SIPHandset EnhancedCDMA2000 802.16eetc WLAN

  14. IPv6 & Always ON network HSS DION IPv6 / IPv6 Internet Management / MMD(IPv6) EZweb/Email (IPv4) HA IPv6 PacketOne (Always ON NW) IPv4 PacketOne(existing) New Radio Access PDSNIPv4/v6 EVDO RAN IP push MMD Service VoIP P2P Conventional mobile Dual Stack mobile(e.g. Packet only)

  15. (example 1) Seamless Communications on FMC Network How are you? ^^v KDDIFMC Network FTTH Use as Mobile Phone outside In house, use TV set as Video Phone Video Phone for receive only,use text for transmission not disturbing others in bus

  16. (example 2)Thin Client & My Data Bank • Benefit of Broadband Access: • “My Data Bank” stores every personal data. • Thin clients access “My Data Bank” through various types of broadband access. My Data Bank KDDIFMC Network My DRM Home Remote Mobile BroadbandAccess Wireless Wireless HomeGW ? Thin Client Thin Client Thin Handset

  17. KDDI, by setting “mobile & IP” as a core competence of the business and responding to the customers’ further reliance and satisfaction, aims to become a “Ubiquitous Solution Company” “Thank you” www.kddi.com

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