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PRESENTATON ON 2G AND 3G TECHNOLGY

PRESENTATON ON 2G AND 3G TECHNOLGY. PRESENTED BY PREETI BANERJEE. In the present time, there are four generation in mobile industry. these are respectively: 1G THE FIRST GENERATION 2G THE SECOND GENERATION 3G THE THIRD GENERATION 4G THE FORTH GENERATION. FIRST GENERATION ( 1G ).

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PRESENTATON ON 2G AND 3G TECHNOLGY

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  1. PRESENTATON ON 2G AND 3G TECHNOLGY PRESENTED BY PREETI BANERJEE

  2. In the present time, there are four generation in mobile industry. these are respectively: • 1G THE FIRST GENERATION • 2G THE SECOND GENERATION • 3G THE THIRD GENERATION • 4G THE FORTH GENERATION

  3. FIRST GENERATION ( 1G ) • In 1G narrow band analog wireless network is used, with this we can have the voice calls and can send text messages. • These service are provided with circuit switching.

  4. The latest technology such as GPRS is not available in these generations. • The greatest Disadvantage as concerned to 1G is that with this we could contact with in the premises of that particular nation.

  5. SECOND GENERATION ( 2G) • In 2G Narrow Band Wireless Digital Network is used. • It brings more clarity to conversation. • these services are provided with circuit switching.

  6. In 2G the Semi Global Roaming facility is available.

  7. THIRD GENERATION ( 3G ) • Overcome the limitations of 2G the 3G had been introduced. • In 3G Wide Band Wireless Network is used with which the clarity increases and gives the perfection as like that of a real conversation.

  8. The data are sent through the technology called Packet Switching • Voice calls are interpreted through Circuit Switching.

  9. In addition to verbal communication it includes : 1. Data services 2. Access to television/video 3. High speed internet service 4.Video chatting

  10. Howis 2G different from 3G? • In comparison to 2G customers will have to pay a relatively high license fee for 3G. • The network construction and maintenance for 3G is much expensive than 2G.

  11. Main 3G Services • In 3G the Global Roaming facility is available. • Another thing to be noted in case of 3G is that Wide Band Voice Channel that is by this the world has been contracted to a little village because a person can contact with other person located in any part of the world.

  12. 3G gives clarity of voice as well can talk with out any disturbance. • 3G also have entertainments such as Fast Communication, Internet, Mobile T.V, Video Conferencing, Video Calls, MMS, 3D Gaming etc.

  13. FORTH GENERATION (4G) • 4G refers to the fourth generation of cellular wireless standards.

  14. Main 4G Features • Multi-Media Newspapers. • In 4G watch T.V programs with the clarity as to that of an ordinary T.V. • In addition, we can send Data much faster that that of the previous generations.

  15. THANKS

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