Study Case Present And Future Mobile Communication System

Murugan, Jeevajothy (2005) Study Case Present And Future Mobile Communication System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The future mobile communication systems are expected to provide a wide variety of services, from high-quality voice to high-definition videos, through high-data rate wireless channels anywhere in the world. It will include not only cellular phones, but also many new types of communication systems broadband wireless access systems and intelligent transport systems. Key to the future generations of mobile communications are multimedia communications, wireless access to broadband fixed networks and seamless roaming among different systems. However, this research discusses future generation mobile communication systems. The purpose of this study is to study about the past, present and future mobile communication system. Here is also a comparison among present and future mobile communication system. The first generation communication system is found in 1970s, second generation in 1980s, third generation in 21st centuries and the fourth generation is expected in 2010. According to the fact the first generation is the past, second generation is present, third generation is the near future and the fourth generation is future. The first generation system was an analog technology based on the concept called Frequency Division Multiple Access (FDMA) where each user is given a frequency band to communicate. Second generation mobile communication is based on a concept Time Division Multiple Access (TDMA). Third generation mobile system will support other than voice, video telephony, video games, multimedia net-browsing, network games, email, downloading, all this while moving at a speed of 200 Km/hr. Third generation system is based on Code Division Multiple Access (CDMA). The fourth generation cellular systems should not only be high-speed but also high-capacity, with low bit cost and the ability to support the services of the 201Os. From these studies bad found about frequency allocation, channel spacing, spectrum requirement, type of handoff, switching technique, frequency planning and the architecture of all generation communications systems. Also the future application, the benefits of future systems and the differences among the systems.

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