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  • 1.  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 .
  • 2. 0G 1946 - 1978 1G 1978-1995 2G 1991-Now 3G 2003-Now 4G 2008 - Now ?
  • 3.  MTS(Mobile Telecommunication service) • Analog system telecommunication • Setup By Operator • There were initially only 3 channels for all the users in the metropolitan area
  • 4.  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
  • 5.  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
  • 6. • 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
  • 7. • 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
  • 8. • 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
  • 9. 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
  • 10. 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
  • 11. 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
  • 12. • Video streaming High Quality • Broadcast TV (IP TV) • Sales Force Automation • Real Time Financial Information
  • 13. Mobile Technology Trends 0G-1G Voice Analog 2G 2.5 G 3G 3.5G 4G Voice Digital ( Over Circuit Switch) Data/ Multimedia( Over IP) All Over IP