wifi vs. 3g dikutip dari karya: anthony ikemefuna president & co-founder cellynk communications...
TRANSCRIPT
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WiFi Vs. 3G Dikutip dari karya:
Anthony IkemefunaPresident & co-founder
Cellynk Communications Corporationwww.cellynk.com
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Agenda
Pendahuluan Teknologi Perbandingan Peluang Business &
Marketing The Future Conclusion
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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
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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
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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
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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
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Telco WLAN Vision
Wide area Cellular datacom
Hotel & Conference
Roaming
Airport
Public space
Office meeting spot
Office
Local Area W-LAN datacom
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Wireless Personal Area Network
Wireless Local Area Network
Telco VisionWireless Interworking Technologies
Hand-overHand-over
Wireless Wide Area Network
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WLAN Technologies/Protocols
IEEE 802.11 (b,g & a) --WiFi IEEE 802.16 (a) -- Wi -Max or Wider - Fi IEEE 802.20 -- Mobile - Fi
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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
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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
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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
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Comparisons
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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
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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?
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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?
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Business & Marketing Opportunities
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Business & Marketing Opportunities
High-end NomadicDatacom users
Mob
ilit
y
Processing capacityUser interface, e.g. screen-size
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Business & Marketing Opportunities
Location based services
Internet access
Multimedia Messaging
Customized infotainment
Intranet/Extranet access
….UMTS forum
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Business & Marketing Opportunities
Location based services
Security
Impulsive transactions
Customized infotainment
Cellular niches
Mobility, subscriber identity
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The Future
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The Future
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The Future
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Conclusion
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Conclusion
Threat or complement
Who will win
Your contribution
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It’s all about the money
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Thank You Questions?
Comments!
Discussions!!