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WiFi Vs. 3G Dikutip dari karya: Anthony Ikemefuna President & co-founder Cellynk Communications Corporation www.cellynk.com Agenda Pendahuluan Teknologi Perbandingan Peluang Business & Marketing The Future Conclusion Introduction & Technology Virtual Reality WLAN xMbps @ 60 GHz Ad hoc networks EDGE TDMA GSM Always Best Always Best ConnectedConnected GPRS WCDMA PDC cdmaOne 2G 9.6 - 14.4 kbps New airinterface? MC1X cdma2000 Bluetooth evolved 2G 3G evolved 3G 64–144 kbps 384 kbps - 2 Mbps 384 kbps - 20 Mbps Optical Networking 4G 100 Mbps? Cellular Technology & Evolution Network Mobile 2G E v o l v e d E v o l v e d 3G 2G 3G applications getting “bigger, better and more beautiful” 4G Fixed network applications go wireless/mobile 3G Fixed NB WB 0.384 Broadband, “Extreme bit rates” BB 2 Wireless/mobile specific broadband applications 20 Bandwidth (Mbps) All Access IP e2e Network firewall e-mail web-hotel subscriber database corporate WAN Content Provider subscriber database Backbone IP transport network GSM/GPRS UMTS content proxy Proxy Service Provider Bluetooth PSTN, ISDN xDSL ... mobility support Multi-access Service Provider Cellular subscriber database WLAN 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 Telco WLAN Vision Airport Local Area W-LAN datacom Roaming Office Wide area Public Cellular datacom space Office meeting spot Hotel & Conference Telco Vision Wireless Interworking Technologies Wireless Local Area Network Wireless Wide Area Network Wireless Personal Area Network WLAN Technologies/Protocols IEEE 802.11 (b,g & a) --WiFi IEEE 802.16 (a) -- Wi -Max or Wider - Fi IEEE 802.20 -- Mobile - Fi IEEE 802.11 Specs. (WiFi) 802.11b 802.11g 802.11a Max. Speed 11 Mbps 54 Mbps 54 Mbps Modulation CCK OFDM & CCK OFDM Frequencies 2.4 – 2.497 Ghz 2.4 – 2.497 Ghz 5 Ghz band Approval July 1999 June 2003 July 1999 Spectrum Rules on 5 GHz Europe Indoor DFS & PC 200 mW EIRP Outdoor DFS & PC 1 W EIRP Max mean Tx power Carrier sensing every 4 ms Japan US Indoor / Outdoor 200 mW / 1W EIRP Outdoor 4 W EIRP 5100 5200 5300 5400 5500 5600 5700 5800 Max peak Tx power Summary IEEE 802.11 IEEE 802.16a Max Speed 54 Mbps (11a & g) 70 Mbps Range 100 m 40 km QoS None Yes Coverage Indoor Opt. Outdoor Opt. Users Hundreds Thousands Service Levels None Yes Comparisons Comparisons: 3G vs. WiFi 3G WiFi Standard WCDMA,CDMA2000 IEEE 802.11 Max Speed 2 Mbps 54 Mbps Operations Cell phone companies Individuals, WISP License Yes No Coverage Area Several km About 100m Advantages Range, mobility Speed, cheap Disadvantages Relatively slow Expensive Short range Comparisons: 3G vs. Wi-Max 3G Wi-Max (Wider-Fi) Standard WCDMA,CDMA2000 IEEE 802.16 Max Speed 2 Mbps 10 to 100 Mbps Operations Cell phone companies Individuals, WISP License Yes Yes/No Coverage Area Several km Several km Advantages Range, mobility Speed, long range Disadvantages Relatively slow Expensive Interference issues? Comparisons: 3G vs. Mobile-Fi 3G Mobile-Fi Standard WCDMA,CDMA2000 IEEE 802.20 Max Speed 2 Mbps 16 Mbps Operations Cell phone companies WISPs License Yes Yes Coverage Area Several km Several km Advantages Speed, mobility Range, mobility Disadvantages Relatively slow Expensive Cost? Business & Marketing Opportunities Mobility Business & Marketing Opportunities High-end Nomadic Datacom users Processing capacity User interface, e.g. screen-size Business & Marketing Opportunities ….UMTS forum Location based services Internet access Multimedia Messaging Customized infotainment Intranet/Extranet access Business & Marketing Opportunities Cellular niches Location based services Security Impulsive transactions Customized infotainment Mobility, subscriber identity The Future The Future The Future Conclusion Conclusion Threat or complement Who will win Your contribution It’s all about the money Thank You Questions? Comments! Discussions!!