WiFi Vs. 3G Anthony Ikemefuna President & co-founder Cellynk Communications Corporation www.cellynk.com
WiFi Vs. 3G
Anthony IkemefunaPresident & co-founder
Cellynk Communications Corporationwww.cellynk.com
Agenda
n Introductionn Technologyn Comparisonsn Business & Marketing
Opportunitiesn The Futuren Conclusion
Introduction & TechnologyIntroduction & Technology
cdmaOne
GSM
TDMA
PDC
2G 9.6 - 14.4 kbps
MC1X
GPRS
evolved 2G 64–144 kbps
WLAN
Bluetooth
evolved 3G384 kbps - 20 Mbps
Always Best Connected
EDGE
WCDMA
cdma2000
3G384 kbps - 2 Mbps
4G100 Mbps?
xMbps @ 60 GHz
Ad hoc networks
Optical Networking
New air-interface?
Virtual Reality
Always Best Connected
Cellular Technology & Evolution
0.384 2Bandwidth
(Mbps)
Network
Mobile
Fixed
2G 3G
3G applicationsgetting “bigger, better
and more beautiful”
Wireless/mobilespecific broadband
applications
Fixed network applications
go wireless/mobile
4G
Broadband,“Extreme bit rates”NB WB BB
20
Evolved 2G
Evolved 3G
All Access IP e2e Network
Bluetooth
Cellular
WLAN
GSM/GPRSUMTS
corporate WANfirewall
IPtransportnetwork
ContentProvider
e-mailweb-hotel
subscriberdatabase
PSTN, ISDNxDSL ...
mobilitysupport
Multi-accessServiceProvider
contentproxy
ProxyServiceProvider
subscriberdatabase
subscriberdatabaseBackbone
Summary
n 3G & Evolved 3Gn PAN based on Bluetoothn Seamless Services over multiple accesses (integrate
Bluetooth and WLAN in the 3G family)n Improvements of existing Air-Interfaces (including new
spectrum)n 4G
n Virtual & Augmented Realityn High Capacity Optical Networkingn New Air-Interface (xMbps @ 60 GHz)n Advanced Antenna Systems and/or Multi-hop systems
Telco WLAN Vision
Wide area Cellular datacom
Hotel & Conference
Roaming
Airport
Public space
Office meetingspot
Office
Local Area W-LAN datacom
Wireless Personal Area Network
Wireless Local Area Network
Telco VisionWireless Interworking Technologies
HandHand--overover
Wireless Wide Area Network
WLAN Technologies/Protocols
n IEEE 802.11 (b,g & a) --WiFin IEEE 802.16 (a) -- Wi -Max or Wider - Fin IEEE 802.20 -- Mobile - Fi
IEEE 802.11 Specs. (WiFi)
July 1999June 2003July 1999Approval
5 Ghz band2.4 – 2.497 Ghz2.4 – 2.497Ghz
Frequencies
OFDMOFDM & CCKCCKModulation
54 Mbps54 Mbps11 MbpsMax. Speed
802.11a802.11g802.11b
Spectrum Rules on 5 GHz
US
Japan
Europe
Indoor
Indoor / Outdoor Outdoor
5200 5400 5600 58005100 5300 5500 5700
200 mW EIRP
200 mW / 1W EIRP 4 W EIRP
1 W EIRP
OutdoorDFS & PC DFS & PC
Max meanTx power
Max peakTx power
Carrier sensing every 4 ms
Summary
YesNoneService Levels
ThousandsHundredsUsers
Outdoor Opt.Indoor Opt.Coverage
YesNoneQoS
40 km100 mRange
70 Mbps54 Mbps (11a & g)Max Speed
IEEE 802.16aIEEE 802.11
Comparisons
Comparisons: 3G vs. WiFi
Short rangeRelatively slowExpensive
Disadvantages
Speed, cheapRange, mobilityAdvantages
About 100mSeveral kmCoverage Area
NoYesLicense
Individuals, WISPCell phone companiesOperations
54 Mbps2 MbpsMax Speed
IEEE 802.11WCDMA,CDMA2000Standard
WiFi3G
Comparisons: 3G vs. Wi-Max
Interference issues?Relatively slowExpensive
Disadvantages
Speed, long rangeRange, mobilityAdvantages
Several kmSeveral kmCoverage Area
Yes/NoYesLicense
Individuals, WISPCell phone companiesOperations
10 to 100 Mbps2 MbpsMax Speed
IEEE 802.16WCDMA,CDMA2000Standard
Wi-Max (Wider-Fi)3G
Comparisons: 3G vs. Mobile-Fi
Cost?Relatively slowExpensive
Disadvantages
Speed, mobilityRange, mobilityAdvantages
Several kmSeveral kmCoverage Area
YesYesLicense
WISPsCell phone companiesOperations
16 Mbps2 MbpsMax Speed
IEEE 802.20WCDMA,CDMA2000Standard
Mobile-Fi3G
Business & Marketing Opportunities
Business & Marketing Opportunities
High-end NomadicDatacom users
Mob
ility
Processing capacityUser interface, e.g. screen-size
Business & Marketing Opportunities
n Location based services
n Internet access
n Multimedia Messaging
n Customized infotainment
n Intranet/Extranet access
….UMTS forum
Business & Marketing Opportunities
n Location based services
n Security
n Impulsive transactions
n Customized infotainment
Cellular niches
Mobility, subscriber identity
The Future
The Future
The Future
Conclusion
Conclusion
n Threat or complement
n Who will win
n Your contribution
It’s all about the money
Thank You ☺Questions?
Comments!
Discussions!!