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8/2/2019 3G Technology ppt
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CONTENTS:
What is 3G ?
History
Why 3G technology?
Predecessor 3G Services
Difference between 2G, 2.5G, 3G
Evolution of mobile system to 3G
Companies working with 3G
Effects
Benefits
Issues hampering its growth
Services
Conclusion
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3G is the third generation of wireless technologies.
3G is mostly used with mobile phones and
handsets.
WHAT IS 3G ?
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HISTORY Introduced in 1990's by the ITU
IMT-2000 (International Mobile
Communications 2000)
Japan was the first country to implement 3G
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WHY 3G TECHNOLOGY ?
Higher bandwidth enables a range of few application
For the consumer
Video streaming, TV broadcast
Video calls, video clips news, music, sports
Enhanced gaming, chat, location services
For business
High speed teleworking / VPN access
Video conferencing
Real time financial information
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1G provided only analog voice services .
AMPS - Advanced Mobile Phone Service
Digitization of control signals and voice signal weredeveloped during the second generation which is 2G.
PREDECESSORS
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THE THIRD GENERATION (3G)
Faster communications services which include:
Voice
Fax
Internet with seamless global roaming
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3G SERVICES:
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Component 2G Wireless 2.5G Wireless 3G WirelessFeature Phone call Phone Call/Fax Phone calls/fax
Voice Mail Voice Mail Global roaming
Simple E-Mail Send and Receive Large Mails Send/receive large email messages Web Browsing High-speed Web Navigation Navigation/maps
New Updates Videoconferencing TV streaming
Electronic agenda meeting reminder
Speed 10 Kb / Sec 64-144 Kb / Sec 144Kb / Sec 2Mb/SecMax. Time for Download
(MP3 Songs) 40 Mins 9 Mins 1.5 Mins
Table 1: Speed and Features OF 2G, 2.5G, 3G
Difference between 2G,2.5G and 3G
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Evolution of Mobile Systems to 3G
-drivers capacity, data speed, lower cost of delivery forrevenue growth
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GSM EVOLUTION TO 3G
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Standards for services
Service provider infrastructure
3G- Compatible handsets
3G services from service provider
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Mobile Internet connectivity
Mobile email
Mobile Interview
E-learning & m-learning
Multimedia services, such as digital photos taken by and shared
via wireless handsets
Wireless application downloading
Real-time multiplayer gaming
Enhanced emergency and location-based services
Low-latency push-to-talk and push-to-video message services
EFFECTS OF 3G
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Higher call volumes and support for multimedia data
applications, such as video and photography.
Faster data transfer rates
Free or cheap calls worldwide
Capability to determine geographic position of mobilesand report it
Worthwhile for users that need connectivity on the
move
BENEFITS OF 3G
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ISSUES HAMPERING ITS GROWTH
High spectrum licensing fees for the 3G services
Huge capital required to build infrastructure for 3G services.
Health impact because of electromagnetic waves.
Prices are very high for 3G mobile services. Will 2G users switch to 3G services?
Takes time to catch up as the service is new.
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VARIOUS SERVICES THAT 3G (W-CDMA) COULD
PROVIDE:
3G eases the machine to machine communication in the near future
For Example: Refrigerator with in-built sensors, sensing the emptied shelves and
sending messages automatically to the PDA of the user or the local store to refill
it.
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CONCLUSION
3G services will add invaluable dimension for the integral part of the modern
world
In the near future, Mobility will not be considered as an add-on: it will
become a fundamental aspect
Development of 3G networks will continue and pick up pace in the near
future
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REFERENCES:
www.wikipedia.com
www.google.com
Course books
Evolution to 3G (wiley)
http://www.wikipedia.com/http://www.google.com/http://www.google.com/http://www.wikipedia.com/8/2/2019 3G Technology ppt
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THANK YOU