1. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Mobile Data Services Evolution to the 3rd Generation Mobile Communications Byung-Keun Lim, Ph.D. e-mail : bklim@ lgic.co.kr Senior Research Engineer, R&D Center, LG Information & Communications Global Summit Japan 3rd Generation Mobile Comms & IMT-2000 17&18 March, Keio Plaza Inter-Continental Hotel, Tokyo, Japan

2. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved.What is IMT-2000 ? Communication Anywhere-Anytime-Anytype Graphic Source : ITU-T document

3. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved.Wireless Mobile Data Services Evolution One-Way Data Communication Services => Two Way Data Communication in Paging System Cellular modem Services => CDPD data Services Wireless LAN => Wireless Mobile LAN ARDIS, RAM => Commercial Mobile Data Service Networks Handheld Device and Mobile Terminals drives the Wireless Mobile Data Communication needs

4. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved o High Mobile Data Services Costs <= Specialized Terminals and Infrastructure Systems o Specialized Applications and Low Speed <= Not End-User applications like an Internet Access o Small Coverage <= Focused on Business Area o Data Only Service Terminal <= requires Additional Cellular Phone è Barriers for the Mobile Data User Subscription Data Oriented Mobile Data Communication

5. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved.2nd Generation Mobile Data Services Evolution Digital Cellular/PCS makes Paradigm shifting for Mobile Data Services o Higher Cost => Low Cost o Specialized application => Wellknown Landline Data Communication Services o Large Coverage => Cellular & PCS Service Coverage o Voice /Data Services => Multiple or Simultaneous Service è Drives the Mobile Data User Penetration

6. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Cellular/PCS Data Speed Evolution (to IMT-2000) Low Speed Data Medium Speed Data High Speed Data 8Kbps ~ 14.4Kbps 32Kbps ~ 64Kbps 144Kbps ~ 384Kbps Text data, Graphic Remote Login, E-mail, Text mode Internet Graphic,Image Internet, Internet VOD Image,Video Multimedia, VOD, Now~ 19992000(IMT-2000) ~ è Data Speed Performance will reach to the IMT-2000 grade, è Data Service Applications will be completely matured before the Commercial Deployment of the IMT-2000 system.

7. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Broadband B-ISDN IMT-2000 Network BSC ATM Switch IWF ATM Switch ATM Switch Internet/PSPDN PSTN/ISDN Gateway PCS/Cellular. IMT-2000 Network MSC

8. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved IMT-2000 Services Anywhere Access Anytime Access Anytype Data Contents Low Speed Data Up to 2Mbps Data Narrowband Network Broadband Network Global Roaming and High Speed Data Capability Open the new Service World High Quality wireless mobile Multimedia/Multithread Services Extend the Broadband Service to Wireless Area

9. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Broadband B-ISDN IMT-2000 Network BSC ATM Switch ATM Switch MATM Switch Broadband Network and Services 1 2 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 1 2 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 1 2 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 MSC

10. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved IMT-2000 System Networking BSC ATM Switch MATM Switch 12 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 ATM Switch 12 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 IMT-2000 Network AIMT-2000 Network B B-ISDN Backbone IMT-2000 CAI IMT-2000 CAI ATM HSD Link HSD Link NNI Multimedia Application Control Mobile Control Connection/Routing Control Service Control Multimedia/Multithread Communication World UNI

11. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved.PCS Network Evolution PCS Network BSC MSC IWF Internet/PSPDN PSTN Host Server PC Facsimile Host Server Circuit Data Packet Data PAD Host Server Modem Low Speed Data Service Network

12. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Circuit Data/G3-Fax Service Network Protocols Data Network Interworking MSPC BSCMSCIWF RLP Protocol AI, TCP/IP, PPP Protocol User Remote Modem ControlModem Com. HDLC FR DATA Call Signaling RS-232 Applications Mobile to Land, Land to Mobile Communications

13. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved cdmaOne Packet Data Service Protocol Example MSPC BSCMSCIWF RLP ProtocolHDLC FR Packet DATA Call SignalingDATA Call Signaling RS-232 PPP protocol, Internet TCP/IP Data Network Interworking Internet Interface

14. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Wireless PAD Service Protocol example - X.3, X.28, X.29, X.25 PAD Protocol (based on Circuit Data Options) MSPC BSCMSCIWF RLP Protocol AI, TCP/IP, PPP Protocol User Remote Modem Control, X.28 HDLC FR DATA Call Signaling RS-232 X.25 Packet Network X.25 LAPB X.29 X.3 PAD Data Network Interworking Public and Private Data Network Interface

15. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved MSPC BSCMSCBSC MSPC Data Network Interworking Mobile to Mobile Data Communication Service Protocol example MSC RLP Protocol TCP/IP, PPP Protocol(Circuit Data Case) HDLC DATA Call Signaling RS-232 Applications RLP Protocol RS-232 AI TCP/IP, PPP Protocol(Packet Data Case)

16. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Evolution to Data Network o Easy Mobile Data Services Access through Public PCS Network o Low Cost Data Terminal, Low Cost Communication Software è Drives Mobile Data User Penetration o Data Speed-Up to 64Kbps o Voice and Data Simultaneous Call Connection Services è Drives the PCS Network to Mobile Data Network è Full Featured Wireless Services like the Wireline Except Data Speed Mobile IP and Mobile Computing, Mobile Host

17. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved.Wireless Mobile Internet ? IETF’s Mobile IPPCS’s Wireless Mobile Internet. Global Roaming& Mobility. LAN Based Scheme. Static Mobility. Non-Seamless Hand Off. Hard to Implement. Mobile Agents Support. Security Problems. Insufficient IP address. Additional Cost for Wireless Access Port if it was. IP Mobility. Regional Roaming & Mobility. Cellular Based Scheme. Dynamic Mobility. Seamless Hand Off. Easy to Implement. VLR/HLR Support. Open Access Network. Insufficient IP Address. No Additional Cost for Wireless AP from its inherent features. Host(User&Server) Mobility

18. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Internet Host Server Wireless Mobile Internet on PCS GWR(Gateway Router) : Interface the Internet and has its Internet Network ID, Each Mobile Host may have Internet IP address which is one of the host identifier within the GWR’s Network ID. This is a gateway between “Mobile Internet” and “Internet” and is the anchor system for the Internet IP datagram transmission. May act as IP manager IWF (GWR) PCS Network BSC MSC/ VLR 12 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 HLR (Mobile Router) BTS(MAP) Mobile Host MT2PC Mobile Internet

19. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Internet Host Server IWF (GWR) PCS Network BSC MSC/ VLR HLR (Mobile Router) BTS(MAP) 12 3 4 6 0 D # * 1 B 1 C A 7 8 9 5 Mobile Host(MH) MH MT2PC Mobile Internet MR GWR PCS Network Wireless Mobile Internet on PCS MR(Mobile Router) : is the Point to Point Connection Router between MH to MH, or MH to GWR. register the MH location, authenticate MH, and do all other MT2 control functions. Act as the Home Agent for the registered MHs, and act as the Foreign Agent for the Roaming MHs. Each MR can have Multiple MSC and GWR. MAP MH IWF (GWR)

20. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Wireless Mobile Internet on PCS Internet Host Server GWR MR MH A MH Mobile Internet Mobile Internet A Mobile Internet B Mobile Internet C MH(Mobile Host) : may have unique Internet IP address or not. IP datagram of the MH having unique IP should be transmitted through the Home GWR at the Home Mobile Internet. The IP address of the MH which has no unique IP is temporarily assigned by the GWR of the visited mobile Internet. MAP

21. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Mobile Host to Internet Host Access Protocol Example Wireless Mobile Internet on PCS Upper Protocol Layers Rm Um L Mobile Host TE2 MT2 MAP/MR GWRInternet Host Upper Protocol Layers IP PPP EIA-232 RLP CAI Relay Layer Relay Layer Network Layer Link Layer Relay Layer PHY Link IP

22. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Wireless Mobile Internet on PCS Mobile Host to Mobile Host Access Protocol Example

23. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved GWR Internet Mobile Router Mobile Router IWF Mobile Internet B Mobile Internet A BTS MAP BTS MAP Internet Backbone LAN/WAN 1 LAN/WAN 2 Router Internet Host Mobile Internet Based on PCS Network Global NetworkNation Wide Network

24. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved. Mobile Internet Based on IMT-2000 Network o Support Global Roaming & Mobility of the MHs o IPv6 addressing will assign unique IP address to all MHs o Multi-media/Multithread Communication network IMT-2000 Core Network Global Inter-network IMT-2000 Mobile Internet A nation wide IMT-2000 Mobile Internet B nation wide IMT-2000 Mobile Internet D nation wide IMT-2000 Mobile Internet C nation wide Realizations of Voice/Data/multimedia Integrated Networks by Implementation of mobile Internet on the IMT-2000 GWR Internet

25. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Mobile Station for Multithread Communications 1 2 3 4 6 0 D # * SND B END C A 7 8 9 5 > text mode > command > Rlogin > Welcome High Speed Multi-channel Data Link Connection High Quality Digital Audio Channel VOD window Data Comm. Window Max 4 Simultaneous Communication Threads should be supported in one Mobile Station. A thread is the independent end-to-end terminal connection. High speed Multimedia VOD, Medium Speed Data Comm., High Quality Audio, Voice Communication

26. LG Information & Communications, Ltd. LGIC 1998 LGIC proprietary/All right reserved Broadband B-ISDN IMT-2000 Network BSC ATM Switch IWF ATM Switch ATM Switch Internet PSTN/ISDN Gateway PCS/Cellular IMT-2000 : Any Network, Any Media, Everything 1 2 3 4 6 0 D # * 1 B 1 C A 78 9 5 1 2 3 4 6 0 D # * 1 B 1 C A 78 9 5 1 2 3 4 6 0 D # * 1 B 1 C A 78 9 5 1 2 3 4 6 0 D # * 1 B 1 C A 78 9 5 MSC