1. 3GPP2 Evolution and UMB ™ (Ultra Mobile Broadband) Long Term Evolution Conference Presentation May 2007

2. 2 3GPP2 The Third Generation Partnership Project 2 (3GPP2) is the Partnership Project for Global cdma2000 ® Specifications including: cdma2000 air interface specifications Mobile Application Part (MAP) core network specifications Wireless IP network specifications All IP multimedia domain specifications RAN specifications Other ancillary specifications 3GPP2 is also reviewing 3G and beyond work such as that for IMT- Advanced

3. 3 More Specifically, 3GPP2 is: A collaborative third generation (3G) telecommunications specifications-setting project Comprised of interests from the Americas and Asia developing global specifications for MAP “Wireless Radiotelecommunication Intersystem Operations” network evolution to 3G Focused on global specifications for the radio transmission technologies (RTTs) supported by MAP and the wireless IP core networks, together known as the cdma2000 family of standards

4. 4 3GPP2 Organizational Partners (OPs) ARIBAssociation of Radio Industries and Businesses (Japan) CCSAChina Communications Standard Association (China) TIATelecommunications Industry Association (NAFTA countries: USA, Canada, Mexico) TTATelecommunications Technology Association (Korea) TTCTelecommunication Technology Committee (Japan)

5. 5 Other 3GPP2 Partners Market Representation Partners (MRPs) –CDMA Development Group –IPv6 Forum –IA450 Association –MobileIGNITE Observers –ETSI –TSACC –ITU Individual Members: Approximately 80 companies

6. 6 3GPP2 Goals Develop timely market-driven specifications for cdma2000 standards family; Specify most efficient utilization of radio and network resources for highest capacity voice networks; Specify data services for highest throughput and maximum data rate; Develop innovative mobile voice and data services with maximum interoperability with IETF (Internet) specifications and other wireless technologies; Plan network evolution to support migration to and interoperability with new system capabilities.

7. 7 3GPP2 Structure Steering Committee Chair:Wan Yi (CCSA) Vice Chair:Gerry Flynn (Verizon Wireless) Vice Chair:Nick Yamasaki (KDDI) Vice Chair:Y.K. Kim (TTA) Secretariat:Henry Cuschieri Steering Committee Chair:Wan Yi (CCSA) Vice Chair:Gerry Flynn (Verizon Wireless) Vice Chair:Nick Yamasaki (KDDI) Vice Chair:Y.K. Kim (TTA) Secretariat:Henry Cuschieri TSG-C TSG-A TSG-S Radio Access Network Interfaces cdma2000 Radio Interface Services & Systems Aspects Core Networks Organizational Partners Market Representation Partners TSG-X

8. 8 3GPP2 Structure (continued) TSG-S Services & Systems Aspects TSG-S Services & Systems Aspects WG-1 ERA Evolution, Requirements, & Architecture WG-2 CSN Circuit Switched Networks WG-3 MMD Multimedia Domain WG-4 TSG-X PMT (1) Work Planning TSG-A Radio Access Network Interfaces TSG-A Radio Access Network Interfaces WG-1 TSG-A PMT (1) WG-2 RAN Evolution WG-3 1x IOS (2) WG-4 HRPD IOS (2) TSG-C cdma2000 Radio Interface TSG-C cdma2000 Radio Interface WG-1 Feature/Service Requirements WG-2 Network Architecture Models WG-3 3GPP2 PMT (1) WG-4 Security WG-5 OAM&P (3) Note (1): Program Management Team, Note (2): Interoperability Specification, Note (3): Operations, Administration, Maintenance & Provisioning TSG-X Core Network TSG-X Core Network WG-1 Applications & Services WG-2 Signaling & Protocol WG-3 Physical Layer WG-4 Performance WG-5 Work Planning WG-5 PDS Packet Data Service

9. 9 3GPP2 Air Interface Evolution IMT-2000 Technologies: MC-CDMA Voice 14.4 kbps CSD & PD 2G Voice 64 kbps Packet RF Backward Comp. Hi-Capacity Voice 153 kbps Packet RF Backward Comp. cdma2000 1X, Rev 0/A/B 3G 2.4 Mbps FL RF Backward Comp Web browsing 2.4 Mbps FL 153 kbps RL New Air Interface 3.1 Mbps FL 1.8 Mbps RL RF Backwards Compatible 2000200420062007 Optimized VoIP 3.1 Mbps FL 1.8 Mbps RL RF Backward Comp. Video telephony Multi-carrier Nx4.9 Mbps FL Nx1.8 Mbps RL RF Backward Comp. cdma2000 1xEV-DO Rev 0 cdma2000 1xEV-DO Rev A cdma2000 1xEV-DV Rev C cdma2000 1xEV-DV Rev D CDMA IS-95-A IS-95-B cdma2000 1xEV-DO Rev B Ultra Mobile Broadband & BCMCS N: Number of Carriers *: Per-access terminal peak rates based on C30-20070514-038R1 and 20 x 2 MHz FDD BCMCS EBCMCS (OFDM Based) Enhanced video telephony OFDMA 288 Mbps FL* 75 Mbps RL* Broadband air interface Broadband streaming video/clip-cast Efficient streaming video/clip-cast Enhanced streaming video/clip-cast

10. Ultra Mobile Broadband TM (UMB)

11. 11 Ultra Mobile Broadband Advantage Significantly improved performance for wireless area network Ultra fast user experience for all segments (laptops, handsets, CEs, desktops, etc.) New design and architecture provides attractive new ways to provide broadband services Continued acceleration of advanced features, competitive advantage, and differentiation 3GPP2 industry’s track record of technology leadership and industry partnerships

12. 12 UMB at the Center of Convergence PC Seamless User Experience Convergence of Services/Devices 2G Mobile Communication InformationEntertainment/ CE Rich Communication Mobility Access Personalization User Generated Content/ Social Networking Computing 4G User Generated Content/ Social Networking Computing Simple Communication Information Entertainment Rich Communication Phone 3G and Beyond2G1G

13. 13 Converged Access Network Architecture Flatter network architecture that is collapsible to 2 nodes: –Access Gateway (AGW) –Evolved Base Station (eBS) Allows for consolidation of RAN functions at the eBS Extends IP visibility to the eBS Uses IETF protocols for network interfaces UMB EV-DO AGW AT eBS sRNC* AAA Internet Intranet PDSN IMS HA RNCBS PCRF AT *sRNC may be either centralized or distributed across eBSs

14. 14 UMB: Optimal Performance Peak rates of 288 Mbps DL and 75 Mbps UL in 20 MHz* Flexible IP architecture High mobility support Supports 1.25 MHz to 20 MHz BW MIMO, SDMA, and beamforming Very low latency Handoffs to 3G technologies FDD and likely extension to other duplex forms, including TDD Simpler implementation: LDPC at high data rates *: Per-access terminal peak rates

15. 15 UMB: Great User Experience Business Ethernet-class performance QoS for IP services Support for all applications Device and PC card options Proven mobility Embedded laptops Consumer DSL/Cable speed and performance Proven mobility and roaming QoS for all low-latency applications, like on-line games Better on-demand video and movie downloads Future-proof multimedia platform

16. 16 UMB: Enables Unlimited Applications

17. 17 UMB: Seamless Handoffs with 3G Phase 2 Phase 1 Seamless user experience based on multimode device and handoffs between UMB and 3G Ability to build out network in phases to minimize initial investments –Focus on high demand areas first Fall back to 3G where no coverage –Complete build out as demand grows

18. 18 UMB: Significantly Increased Throughput Forward LinkReverse Link Preliminary data based on C30-20060424-061R1. The throughput of a UMB system is expected to be higher. Simulated 57-sector embedded network with 20 MHz BW, 2 km cell-to-cell, always- full data buffer, and 3GPP2 Evaluation Methodology channel mix (C30-20061204- 062) M x N denotes M transmit antennas and N receive antennas

19. 19 UMB: Designed for Mobility Capacity UMB designed for Mobile Broadband, providing high capacity in all environments Robust mobility support inherent in all aspects of UMB design Mobility Large number of VoIP calls coexist with high capacity UMB data services VoIP

20. 20 UMB: Cooperative Standardization 20072008 Air Interface Spec. Published 2006 Harmonized Proposal Adopted by 3GPP2 Network Architecture Publication Target Proposal Due

21. 21 UMB: Competitive Advantage Reference: What is Web 2.0: Tim O’Reilly Highly optimized Mobile OFDMA solution with MIMO Scalable IP network for mobile/portable/fixed services Targets Laptops, UMPC, handsets, CE, and desktops Optimal performance for enterprise and consumers Highly integrated Multimode ASICs High-end and low-end devices Ultra fast user experience (288 Mbps peak) Superior VoIP and Data capacity for lower costs 3G Eco System of Operators and Suppliers Continued Acceleration of Advanced features