1. WiFi Vs. 3G Dikutip dari karya: Anthony Ikemefuna President & co-founder Cellynk Communications Corporation www.cellynk.com

2. Agenda Pendahuluan Teknologi Perbandingan Peluang Business & Marketing The Future Conclusion

3. Introduction & Technology cdmaOne GSM TDMA PDC 2G 9.6 - 14.4 kbps MC1X GPRS evolved 2G 64–144 kbps WLAN Bluetooth evolved 3G 384 kbps - 20 Mbps Always Best Connected EDGE WCDMA cdma2000 3G 384 kbps - 2 Mbps 4G 100 Mbps? xMbps @ 60 GHz Ad hoc networks Optical Networking New air- interface? Virtual Reality Always Best Connected

4. Cellular Technology & Evolution 0.384 2 Bandwidth (Mbps) Network Mobile Fixed 2G 3G 3G applications getting “bigger, better and more beautiful” Wireless/mobile specific broadband applications Fixed network applications go wireless/mobile 4G Broadband, “Extreme bit rates” NB WBBB 20 E v o l v e d 2G E v o l v e d 3G

5. All Access IP e2e Network Bluetooth Cellular WLAN GSM/GPRS UMTS corporate WAN firewall IP transport network Content Provider e-mail web-hotel subscriber database PSTN, ISDN xDSL... mobility support Multi-access Service Provider content proxy Proxy Service Provider subscriber database subscriber database Backbone

6. Summary 3G & Evolved 3G PAN based on Bluetooth Seamless Services over multiple accesses (integrate Bluetooth and WLAN in the 3G family) Improvements of existing Air-Interfaces (including new spectrum) 4G Virtual & Augmented Reality High Capacity Optical Networking New Air-Interface (xMbps @ 60 GHz) Advanced Antenna Systems and/or Multi-hop systems

7. Telco WLAN Vision Wide area Cellular datacom Hotel & Conference Roaming Airport Public space Office meeting spot Office Local Area W-LAN datacom

8. Wireless Personal Area Network Wireless Local Area Network Telco Vision Wireless Interworking Technologies Hand-over Wireless Wide Area Network

9. WLAN Technologies/Protocols IEEE 802.11 (b,g & a) --WiFi IEEE 802.16 (a) -- Wi -Max or Wider - Fi IEEE 802.20 -- Mobile - Fi

10. IEEE 802.11 Specs. (WiFi) 802.11b802.11g802.11a Max. Speed11 Mbps54 Mbps ModulationCCKOFDM & CCKOFDM Frequencies2.4 – 2.497 Ghz 5 Ghz band ApprovalJuly 1999June 2003July 1999

11. Spectrum Rules on 5 GHz US Japan Europe Indoor Indoor / OutdoorOutdoor 52005400560058005100530055005700 200 mW EIRP 200 mW / 1W EIRP 4 W EIRP 1 W EIRP Outdoor DFS & PC Max mean Tx power Max peak Tx power Carrier sensing every 4 ms

12. Summary IEEE 802.11IEEE 802.16a Max Speed54 Mbps (11a & g)70 Mbps Range100 m40 km QoSNoneYes CoverageIndoor Opt.Outdoor Opt. UsersHundredsThousands Service LevelsNoneYes

13. Comparisons

14. Comparisons: 3G vs. WiFi 3GWiFi StandardWCDMA,CDMA2000IEEE 802.11 Max Speed2 Mbps54 Mbps OperationsCell phone companiesIndividuals, WISP LicenseYesNo Coverage AreaSeveral kmAbout 100m AdvantagesRange, mobilitySpeed, cheap DisadvantagesRelatively slow Expensive Short range

15. Comparisons: 3G vs. Wi-Max 3GWi-Max (Wider-Fi) StandardWCDMA,CDMA2000IEEE 802.16 Max Speed2 Mbps10 to 100 Mbps OperationsCell phone companiesIndividuals, WISP LicenseYesYes/No Coverage AreaSeveral km AdvantagesRange, mobilitySpeed, long range DisadvantagesRelatively slow Expensive Interference issues?

16. Comparisons: 3G vs. Mobile-Fi 3GMobile-Fi StandardWCDMA,CDMA2000IEEE 802.20 Max Speed2 Mbps16 Mbps OperationsCell phone companiesWISPs LicenseYes Coverage AreaSeveral km AdvantagesRange, mobilitySpeed, mobility DisadvantagesRelatively slow Expensive Cost?

17. Business & Marketing Opportunities

18. High-end Nomadic Datacom users Mobility Processing capacity User interface, e.g. screen-size

19. Business & Marketing Opportunities Location based services Internet access Multimedia Messaging Customized infotainment Intranet/Extranet access ….UMTS forum

20. Business & Marketing Opportunities Location based services Security Impulsive transactions Customized infotainment Cellular niches Mobility, subscriber identity

21. The Future

24. Conclusion

25. Threat or complement Who will win Your contribution

26. It’s all about the money

27. Thank You Questions? Comments! Discussions!!