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What is 4G? Fourth Generation is shortly referred as 4G and it is the follower of 3G. It is strongly believed that 4G will make a big revolution in the world not by its technological advancements but by its demand. People even started dreaming about it right now so there is no doubt that the market demand will be more in the future. Big countries like U.S.A, Russia and Emerging countries like Asia, china are expecting very high data transfer rate in the next few years and they strongly believe that 4G is the only means to cope up with all things. 4G inaugural meet held in the year 2009 and the latest speech by the U.S president also projects the same. 4G will satisfy all the transfer needs in the future by providing ultra-speed for all data transfers i.e. it is expected that speed will be in gigabits/second. Technology Used in 4G: 4G uses Flash-OFDM which is nothing but the WiMax and HC-SDMA. 4G Offers: It is designed such that it gives support to: 1.IP telephony 2.Ultra-Broadband Services 3.HDTV 4.Live Video Streaming 5.Large Transfers 6.Gaming Services Fourth generation (4G) is designed in such a way that it meets the demands of mobile services more than any other things however data transfer rate is also considered. 4G is expected to combine two steps together i.e. connecting to a network and to the mobile devices so with this type of technology advancement a open service provider like Google can provide their service to its customers in mobile. 4G also combines Radio Transmission Technologies i.e. RTTs in one single device which means you can use your smart phones as like a laptop now. All the smart phones will go under open wireless architecture (OWA) which is straight against the closed one now. So this makes sure that the whole world is in your hand and it is pretty simple as well. Constraints Predicted for Launching 4G: It is a very good thing that the entire world is moving towards 4G but the fact is that even 3G is not implemented fully in all the countries. Economy is the main constraint to do so and even developing countries like china and India implemented 3G pretty recently. Technical adjustments by the service providers in these countries were also a problem when 3G launched initially and this is expected to be in high rate for 4G. Let us all keep our fingers crossed that world will witness 4G soon in all nook and corners.
Article Source: http://www.bharatbhasha.net Article Url: http://www.bharatbhasha.net/internet-and-computers.php/224399 Article Added on Sunday, March 14, 2010
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