1. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G Services Supported today with cdmaOne and tomorrow with cdma2000 Gwenn Larsson Director Strategic Marketing Ericsson SE Asia Executive Briefing March 29, 2000 Bangkok, Thailand

2. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G Some interesting Facts about IS-95 CDMA CDMA supports 6-10 times capacity of AMPS networks –Digital Spread Spectrum –Variable Rate Vocoders CDMA networks consistently offer High Call Quality - fewer dropped calls –Soft-Handoffs –Dynamic Power Control IS-95 CDMA networks have been capable of supporting “packet data” since 1996 –Equivalent throughput of CDPD; no need for separate network

3. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G More Interesting Facts CDMA networks/terminals support Data Rates up to 64 kbps –Packet, Circuit, Analog Fax –Direct Connection to Internets CDMA networks and terminals have supported microbrowser technology since 1996 too! –Based on Phone.com’s proprietary HDML mark-up language WAP capable IS-95 Phones will soon be available –End of this year!

4. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G Two More! The CDMA equivalent of GPRS is the cdma2000 Packet Core Network (PCN) –Similar Services, easy to implement, quick to market, low cost –Based on Mobile IP Internet standards –Initial rollout slated for this year - does not require waiting for new phones! CDMA has numerous additional Revenue Generating Features - Competitive with any Wireless Offering! –International Roaming –Pre-Paid –Zone Based Billing

5. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - 1X Evolution Benefits Increased Voice Capacity –Nearly double voice capacity of cdmaOne in the given 1.25 MHz carrier Backward Compatibility –Simultaneous support for both cdmaOne and 1X users in the same cell Handoff and Roaming –Handoff and roaming between cdmaOne and 1X cells/ networks High Speed Wireless Data Services – Average data rates of 144 kbps

6. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - 1X Evolution Backward Compatibility 1xRTT Coverage cdmaOne Traffic Channel cdmaOne Phone cdma2000 Traffic Channel cdma2000 - 1X Phone

7. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - 1X Evolution Roaming and Handoff cdma2000 - 1xRTT Network Neighboring cdmaOne Network Roaming and Handoff between cdmaOne and 1X networks

8. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 Key Services Voice Improvement Higher Speed Data Services Support Multimedia Services Support Special Applications

9. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Voice Quality Improvement Application Offering premium voice quality to certain users at a premium price Also called V2 Voice Mode (V1 is a standard voice quality)

10. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Voice Capacity Improvement Application Doubling the available voice capacity in the existing 1.25 MHz cdmaOne carrier Improved Grade of Service (GoS) and customer satisfaction with service More revenue with less investment

11. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Data Services Support Application Offering wide range of data speeds and data services Various Data Speeds –144 kbps avg with 1X –2 Mbps peak with 3X Various Data Services –Telematics Services –Horizontal Services –Vertical Services

12. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Data Services Support Application Improved data throughput for packet and circuit data applications –Internet, File Transfer, Streaming data, e-commerce

13. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Data Services Support Application Provides low latency data throughput for delay-sensitive applications Credit card transaction, telematics, VoIP, streaming audio and video, etc.

14. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Simultaneous Voice/Data Services Application Concurrent services Circuit-switched voice/ data and packet data simultaneously –Talking over the phone while sending fax and surfing Internet, etc.

15. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Quality of Service (QoS) Support Application Multimedia Applications –Low Delay Tolerance Priority Service Access Data Rate Guarantee

16. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G Application Increasing coverage, capacity, or data rate Hot spots coverage in convention centers, stadiums, malls and campuses Dedicated data rates and coverage to group of users Auxiliary Sectors serving high speed data Normal sectors serving voice and low speed data users    cdma2000 - Special Applications Hot Spot Coverage and Smart Antenna Tracking S Sector  High Speed Data Users C Auxiliary Sectors dedicated to high speed data Sector  Sector 

17. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Access Reliability Application Improving access reliability when... –High data pipes for multiple data rate applications leave big gap in Walsh space assigned to users –Run out of Walsh functions in sector Spot beam and Smart antenna applications

18. cdma CDMA SYSTEMSERICSSON PROPRIETARYExecutive Briefing on 3G cdma2000 - Extended Battery Life Application Extends battery life/ talk time of the mobile unit