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Authors - Shubhankar, Amit G, Yash Bajpai [joint runner up in paper contest]

ABSTRACT

This paper comprehensively covers all the essential information regarding Cellular Mobile Services from its necessity to its advent, the different systems tested and installed, their basic components, working principles, drawbacks and their elimination. It elaborates the architecture of the typical mobile system along with the hardware required for it. It gives details regarding the working of a mobile system along with all casualties that occur during a call. It accounts for the small frequency spectrum used by Cellular Mobile Systems.

INTRODUCTION

Since the end of 80s, the market for mobile telecommunication has developed itself into the biggest growing market of the telecommunication sector in North America and in industrial countries of Europe. No other area of this sector has displayed such a high growth of subscribers and market share. In general, the high growth rate of subscribers for cellular mobile communication shows that a great demand exists in our society for such systems.

Mobile communications is a collective name for a number of cellular systems which are available nowadays or are planned for the future.

The cellular mobile communication, a sub-division of the mobile communication changes the telecommunication, which even today, is dominated by wired systems and, hence, confined to a specific place. Although the modern transmission techniques can establish world-wide connections in seconds but it is of no use, when the desired person is not present at that place. Tests have shown that 75% of all telephone calls do not materialise because they land up with secretaries, automatic answering machines or simply, or simply with persons who cannot further the call to the desired person. Also, telephone communication from cars has always been a desirable feature. The mobile communication can solve these problems. It therefore adds a new dimension to telecommunication.

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Last Updated : September 03, 1999 09:46:25 AM -0400

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