wifi vs. 3g -...

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!!