On National Teacher Day, meet the 2024-25 Kenan Fellows
0G to 5Gl
1.
2.
3. Mobile wireless technology came
early in 1970s.
Mobile Wireless Technology has
experienced different generations of
Technology mainly from 0G to 4G.
Implementation work of 5G is going
on.
Mobile radio telephone systems (0G)
preceded modern cellular mobile
telephony technology.
The mobile wireless communication
was possible only by the introduction
of 1G technology.
2G technology replaced the
analogy technology by digital
communication .
5. MTS(Mobile Telecommunication service)
• Analog system telecommunication
• Setup By Operator
• There were initially only 3 channels for all the
users in the metropolitan area
6. IMTS(Improved Mobile Telecommunication service)
• Simultaneously Call
• Reduced Size and weight
• Eliminate Setup by Operator
• The total to 32 channels across 3 bands
Frequency 450 -470 MHz
• Feature Includes
• Voice Call Analog
7.
8. Introduced in 1980s
NMT (Nordic Mobile Telephone)
AMPS(Advanced Mobile Phone System)
The first commercially automated cellular network (the 1G generation) was
launched in Japan by (Nippon Telegraph and Telephone) in 1979, initially in
the metropolitan area of Tokyo
• Frequency 800 MHz
• Analog Systems
9. • Feature Includes
• Voice Call Analog
• Text message also possible with some sophisticated
devices
•
It has low capacity, unreliable handoff
•
poor voice links
•
no security at all
10. • GSM ( Global System Mobile
Communication)
• 2G cellular telecom networks were
commercially launched on
the GSM standard in Finland 1991
•
GPRS( General Packet Radio Service)
• Frequency 900 , 1800 MHz (GSM) , 1900 MHz
CDMA(code division multiple access)
• SimCard
• Digital System ( voice and data)
• Data transfer rate : 62 Kbps – 144 Kbps
11. • Text messages, picture messages and MMS (multi media
messages)
• Use it for travelling purpose.
• Content Download (Music, Picture , Animation)(2.5 G)
• WAP Browsing (2.5 G)
• STK (Sims Tool Kit)
• Refers as personal communication service
• Include the 2.5G and 2.75G
12. Mobile Technology and communication
• 3G Technology is designed for multimedia communication
• 3G has the following enhancements over 2.5G
•
Enhanced audio and video streaming;
•
Several Times higher data speed;
•
Video-conferencing support;
• and WAP browsing at higher speeds
Web
•
IPTV (TV through the Internet) support.
•
There are many 3G technologies as
13. FEATURES INCLUDES
• Mobile Application ( Banking , Social Media, Music, E-book)
• Mobile Store application ( ITunes store , Play Store , Apps world)
• Video Streaming (YouTube)
• GPS ( Google Maps , etc)
•
Frequency : 900, 1900 , 2100 MHz ( GSM 800 MHz (CDMA)
•
Multimedia Service
•
Data transfer rate:
144 Kbps – 2 Mbps
14.
15.
16. MOBILE TELECOMMUNICATION
• A 4G system provides mobile ultra-broadband Internet access
• WIMAX(Worldwide Interoperability for Microwave Access)
• LTE(Long Term Evolution)
• Multimedia High Quality Data
• Data transfer rate: 20 Mbps -100 Mbps
• Wireless Technology
17. • Video streaming High Quality
• Broadcast TV (IP TV)
• Sales Force Automation
• Real Time Financial Information
