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The First generation wireless mobile communication systems were introduced in early eighties and second generations’ systems in the late 1980s was intended primarily for transmission of voice. The initial systems used analog frequency modulation where as the second as well as the subsequent mobile systems use digital communication techniques with time division multiplexing (TDM), frequency division multiplexing (FDM) or the code division multiple access (CDMA).
The third generation wireless systems which are just getting introduced in the world markets offer considerably higher data rates, and allow significant improvements over the 2G systems. The 3G Wireless systems were proposed to provide voice and paging services to provide interactive multimedia including teleconferencing and internet access and variety of other services.
However, these systems offer wide area network (WAN) coverage of 384 kbps peak rate and limited coverage for 2 Mbps. Hence providing broadband services would be one of the major goals of the 4G Wireless systems.
A descendant to 2G and 3G aiming to provide the very high data transfer rates. This technology can provide very speedy wireless internet access to not only stationary users but also to mobile users.
This technology is expected to trounce the deficiencies of 3G technology in terms of speed and quality. 4G can be best described in one word “MAGIC”, which stands for Mobile multimedia Anytime Anywhere Global mobility support, integrated wireless and personalized services
4G, short for fourth-generation wireless communication systems, has engaged the attention of wireless operators, equipment makers (OEMs), investors, and industry watchers around the world. 4G refers to the next generation of wireless technology that promises higher data rates and expanded multimedia services.
Since, at this point, 4G is more of an aspiration than a standard, there is not an agreement yet on what should constitute 4G. Since the ITU is a major force in the standardization of telecommunications technologies, it’s worth looking at the ITU’s performance goals for 4G:
- The framework for 4G systems should fuse elements of current cellular systems with nomadic wireless-access systems and personal-area networks in a seamless layered architecture that is transparent to the user.
- Data rates of 100 Mbps for mobile applications and 1 Gbps for nomadic applications should be achievable by the year 2010.
- Worldwide common spectrum and open, global standardization should be pursued.
DOCUMENT IN COMPRESSED FILE
“4G Technology” Seminar Report
Page Length: 30 Pages
- Evolution of 4G Technology
- 4G Technology Features
- Working groups on 4G wireless technology
- Demonstration of 4G wireless technology
- 4G Wireless Standards
Include with “4G Technology” PPT
Page Length: 15 Pages
- OBJECTIVES AND APPROACHES
- DEVELOPMENT FROM 1G TO 4G
- PRINCIPAL TECHNOLOGIES
- APPLICATIONS AND ADVANTAGES
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