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- Ahsan Aktar
ITU
 International Telecommunication Union
 Founded in 1865 (Oldest International Organisation in
  UN history)
 the need to assist developing countries to
  plan, build, operate, upgrade, manage and maintain
  technologies applicable to their networks and services.
 The ITU plays a central role in the promotion and co-
  ordination of programmes to accelerate the transfer of
  appropriate technologies to developing countries
Whats 1g?
 First generation


 Analog


 Launched in japan 1979 (NTT)
2g
 Digital


 Launched in Finland 1991


 SMS


 More voice clarity
2.5g
 GPRS (General Packet Radio Service)


 MMS


 30 to 48 Kbps upload


 15 kbps download
3g
 EDGE (Enhanced Data rates of Global evolution)


 UMTS (Universal Mobile Telecommunication System)


 170 kbps download


 30 kbps upload


 Launched in japan by NTT docomo 2001
3.5 g
 HSPA (High Speed Packet Access)


 1 to 4 mbps upload


 700 kbps download
Advantages of 3.5g
 Mobile internet at broadband speed


 Internet gaming


 Video calls


 Voice clarity
Disadvantages of 3g
 Installing new 3g equipments


 3g compatible handsets


 Requires more power


 Connection rate
Top five 3g providers in india
 BSNL


 Airtel


 Reliance


 Tata docomo


 Idea
3g providers in India
 Maharastra      Karnataka
1.   Tata        1.   Tata
2.   Vodafone    2.   Aircel
3.   Idea        3.   Airtel

    A.P             Tamilnadu
1.   Airtel      1.   Airtel
2.   Idea        2.   Vodafone
3.   Aircel      3.   Aircel
Continued
 WestBengal     Haryana
1.   Airtel     1.   Idea
2.   Vodafone   2.   Tata
3.   Reliance   3.   Vodafone
4.   Aircel
5.   Tata           U.P
6.   Idea       1.   Aircel
                2.   Idea
    Punjab     3.   Vodafone
1.   Idea       4.   Airtel
2.   Reliance   5.   tata
3.   tata
Cont..
 Rajasthan      Himachal Pradesh
1.   Reliance   1.   Airtel
2.   Airtel     2.   S.tel
3.   Tata       3.   Idea
                4.   Reliance
    M.P
1.   Idea           Bihar
2.   Reliance   1.   S.tel
3.   Tata       2.   Airtel
                3.   Reliance
                4.   Aircel
Cont..
 Orissa         North East
1.   S.tel      1.   Aircel
2.   Aircel     2.   Airtel
3.   Reliance   3.   Reliance

    Assam          Kashmir
1.   Reliance   1.   Idea
2.   Airtel     2.   Aircel
3.   Aircel     3.   Reliance
                4.   Airtel
 Operators are working together for intra circle roaming
 agreements.



 India in second next to US for internet using on mobile
 phones.
4g
 LTE (Lond Term Evolution)

 WiMAX (Worldwide Interoperability for Microwave
 Access)

 3 to 6 Mbps

 Un intreuppted Video calls

 Higher Resolution
Sources

http://discusstech.org/2011/03/difference-between-3g-and-4g/

http://www.differencebetween.com/difference-between-3g-and-4g-network-
technology/

http://www.m-indya.com/4g/differencebetween3gand4g.php

http://www.techknots.com/mobiles/what-is-0g1g-2g-3g-4g/all/1/

http://voicendata.ciol.com/content/ContributoryArticles/110071001.asp
Thank You



 -M.Ahsan Aktar

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3g and 4g