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                                             TOPIC -60



                                  4G Mobile Communication

        Quick Points to Remember
           •  4G is 4th generation technology that evolved from 3g technology
           •  4G is set to ensure High data speeds
           •  No circuit switch telephony
           •  85% users by 2018 end

           •  Mobile and Internet communications
           •  Low internet penetration and improper infrastructure are bottlenecks

        Introduction
        India has the second largest telecommunication network and about 324.89 million
        internet subscribers which is the second largest user base in the world.
        The 4g technology came after the 3g technology and made its mark in India in 2017
        promising us video blogs, high definition mobile TV, fast gaming services etc.

        Key points

           •  New mobile generations come about after every 10 years
               1.     1981 had 1g
               2.     1992 had 2 g
               3.     2001 had 3g
               4.     And now we have 4g
               5.     We are soon going to head towards 5g
           •  4g  mobile  communication  ensures  high  data  transfer  speeds  for  internet
               craving users.
           •  It has revolutionized the communication sector.
           •  Wireless technologies like LTE, wifi can also use 4g on mobiles, laptops etc.
               It does not require circuit and switch telephony service.
           •  Speed requirements set up by international telecommunications union radio
               communication sector are :
               1.     Low mobility communication: 1 gigabit per second
               2.     High mobility communication: 100 megabits per second

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