4G in simple terms the fourth generation mobile technology, it is a name given at the forefront of international mobile telecommunications set by the ITU .Means that these standards are download speeds up to 1 gigabit per second while wireless Internet access.According to ITU, 4G is the next generation of networks that provide faster access, services, broadband multimedia and unified messaging services.Even if a user is moving at a speed of 60 kilometers per hour, 4G allows download speeds up to 100 Mbps as a result of downloading HD movies in less than 30 seconds!
It may be noted that there are different technologies that offer high speed Internet access so how 4G be different. For this reason, some standards have been specified by ITU, which should be followed by organizations that claim to offer its customers 4G. • Smooth global roaming across heterogeneous networks and connectivity.Web 2.0 has brought a revolution, and user-generated content represent the bulk of the network. Social networking sites like Facebook and Twitter are the cultural icons and shape political movements. Other technologies, such as IPTV, have changed the concept of TV all together. The problem with these claims is that the networks so far download speeds are a concern. Here is a 4G technology in its ultra-fast, ultra-fast 4G could completely change the concept of interactive applications.
Another area where significant benefits through 4G networks, cloud computing could be the increase in mobility, speed and portability that 4G offer may be an important resource for this type of programming environments. When people move towards less capital expenditure-oriented increased data transfer speed is of paramount importance and any delay in the functioning of cloud computing makes it very attractive. Cloud computing, and then transformed into a mobile workstation in size in a powerful computer, but only if they are related to a powerful network, offering 4G upload and download. This, combined with the movement makes the experience of a personal cost, portable and effective.

