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3G MOBILE COMMUNICATION
Posted Date: 06 May 2008 Resource Type: Articles/Knowledge Sharing Category: Computer & Technology
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Posted By: venkateswaran Member Level: Silver
Rating:  Points: 4
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3rd Generation Wireless, or 3G, is the generic term used for the next generation of mobile communications systems. 3G systems aim to provide enhanced voice, text and data services to user. The main benefit of the 3G technologies will be substantially enhanced capacity, quality and data rates than are currently available.3G Mobile will enable the provision of advanced services transparently to the end user and will bridge the gap between the wireless world and the computing/Internet world, making inter-operation apparently seamless.The third generation networks should be in a position to support real-time video, high-speed multimedia and mobile Internet access. All this should be possible by means of highly evolved air interfaces, packet core networks, and increased availability of spectrum.The ability to provide high-speed data is one of the key features of third generation networks, the real strength of these networks will be providing enhanced capacity for high quality voice services.The need for landline quality voice capacity is increasing more rapidly than the current 2nd generation networks will be able to support.High data capacities will open new revenue sources for the operators and bring the Internet more closer to the mobile customer. The use of all-ATM or all-IP based communications between the network elements will also bring down the operational costs of handling both voice and data, in addition to adding flexibility.The drive for 3G is the need for higher capacities and higher data rates.Whereas higher capacities can basically be obtained by having a greater chunk of spectrum or by using new evolved air interfaces, the data requirements can be served to a certain extent by overlaying 2.5G technologies on the existing networks. In many cases it is possible to provide higher speed packet data by adding few network elements and a software. The 3rd Generation Mobile System will most likely grow out of the convergence of enhanced 2nd generation mobile systems with greater data transfer speed and capacity and 1st generation satellite mobile systems. Evolution to the current generation mobile networks to 3G doesn't necessarily mean seamless up gradation to the existing infrastructure to the 3G.
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