Abstract:During the past ten years the mobile radio communications industry has significantly grown. The miniaturization technologies has allowed to achieve smaller and smaller portable terminal radio equipment. People throughout the world have been adhering to the wireless communications methods and services mainly to those of the public cellular mobile network. The digital cellular mobile networks already implemented all over the world such for instance, the GSM, PDC and IS-95 provide a very low bit rate which is ine… Show more
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