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Celluar mobile communications have brought forth a massive change in telecommunications field due to introducing digital electronics switching and optical fibre as well as microwave and satellite links technologies throught the world. Now people have all communcations facilities and opportunities to step in the super fast mobile communications age with very high speed data communications facility from 2-g to 3-g and henceforth it is building the path from 3-g to 4-g mobile communications also.doi:10.15623/ijret.2013.0214001 fatcat:7rwd2o3obvaubkj5pudgwrflsm