Transcript
WiFi Vs. 3G Dikutip dari karya:
Anthony IkemefunaPresident & co-founder
Cellynk Communications Corporationwww.cellynk.com
Agenda
Pendahuluan Teknologi Perbandingan Peluang Business &
Marketing The Future 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
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
Wide area Cellular datacom
Hotel & Conference
Roaming
Airport
Public space
Office meeting spot
Office
Local Area W-LAN datacom
Wireless Personal Area Network
Wireless Local Area Network
Telco VisionWireless Interworking Technologies
Hand-overHand-over
Wireless Wide 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
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 mean
Tx power
Max peak
Tx power
Carrier sensing every 4 ms
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 slowExpensive
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 slowExpensive
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 Range, mobility Speed, mobility
Disadvantages
Relatively slowExpensive
Cost?
Business & Marketing Opportunities
Business & Marketing Opportunities
High-end NomadicDatacom users
Mob
ilit
y
Processing capacityUser interface, e.g. screen-size
Business & Marketing Opportunities
Location based services
Internet access
Multimedia Messaging
Customized infotainment
Intranet/Extranet access
….UMTS forum
Business & Marketing Opportunities
Location based services
Security
Impulsive transactions
Customized infotainment
Cellular niches
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!!
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