4g technology and its history, 1g, 2g, 3g
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4G technology and its history, 1G, 2G, 3GTRANSCRIPT
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4G Technology
-Vipin Tejwani
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1GBased on Analog Telecommunication Standards.Started in 1980s in Europe & USA.
Used Analog Radio signals.Range: 2.9KB/s to 5.6KB/s.
First ever (cordless)phone to to work on 1G network was Motorola DynaTAC 8000X.
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2GStarted in 1991 in Finland.
Based on GSM (Global System for Mobile Communications) Technology.
Used Digital Radio signals and SIM(Subscriber Identity Module) card.
Range : 15kB/s to 40kB/s.
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GSM TechnologyGlobal System for Mobile Communications
(originally it was called Groupe Spécial Mobile).
Concurrent development started in USA and Europe in the 1980’s.
Developed by the European Telecommunications Standards Institute (ETSI) in the early 1990’s
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GSM Services
Voice calls.
Short Message Service (SMS) - In 1985 GSM allowed messages of at most 160
characters to be sent between handsets.
- Only in USA over 6 billion SMSs are sent everyday.
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General Packet Radio Service (GPRS)- Provided IP-based packet data transmission .- Allowed users to “simultaneously” make calls and
send data.- Provided “always on” Internet access and the
Multimedia Messaging Service (MMS).
GSM Services…
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3GBased on Universal Mobile Telecommunications
System (UMTS).
UMTS is an upgrade from GPRS with much more bandwidth.
Range of 3G(UMTS):144kB/s 384kB/s in rural.384kB/s to 27MB/s in urban.
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3G ServicesMobile TV.
Video Conferencing.
Global Positioning System (GPS).
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4GLatest and Fastest Generation of mobile phone
communication.
Based on same 3G Technology with improvements named as LTE.
First used in 2009 in Sweden.
Range: 100MB/s to 1GB/s.
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4G (LTE)LTE stands for Long Term Evolution.
Next Generation mobile broadband technology.
Promises data transfer rates of 100 Mbps.
Based on UMTS 3G technology.
Optimized for All-IP traffic.
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Advantages of 4G-LTE
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4G LTE = Connectivity everywhere
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Global Consumption of Gs
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Comparison of Global Network Speeds
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ContextEvolved telephony technologies
+Improved network bandwidth
=Whole world at our fingertips