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2. Contents:
Introduction about 4G Wireless Technology
General 4G Services and 4G Applications
Evolution of 1G to 4G System
Features of 4G Wireless Technology
Comparison of 3G and 4G Systems
Advantages of 4G Wireless Technology
Disadvantages of 4G Wireless Technology
Applications of 4G Wireless Technology
Technology used in 4G Wireless Systems
Key challenges of 4G Wireless Technology
Conclusion
3. Introduction about 4G Wireless
Technology
1. 4G=4th Generation Mobile Communication
2. A 4G Wireless System provides an end to end IP
solution where voice, data and streamed multimedia
can be served to users on an “Anytime,Anywhere”basis
at higher data rates than previous generations.
3. Data rates=50-100 Mbps
4. It has wider bandwidth
5. End to end Quality of Service
6. Higher Security
4. General 4G Services and 4G Applications
1) Localized/Personalized Information
2) Organizational Services
3) Communication services and applications
4) Entertainment Services
5) Mobile commerce
5. Evolution of 1G to 4G System
A. 1G Wireless System:-Developed in 1980s and
completed in early1990s.
B. 2G Wireless System:-2G phase began in 1990s and
much of this technology is in use.
C. 3G Wireless System:-It was developed in 1990s until
present days,Japan is first country having introduced
3G nationally.
6. Features of 4G Wireless Technology
I. Support interactive multimedia
II. User Friendliness
III. High speed,high capacity and low cost per bit
IV. Higher Bandwidths
V. Terminal Heterogenity
VI. Network Heterogenity
8. Advantages of 4G Wireless Technology
Affordable communication services
High speed, high capacity and low cost
Better spectral efficiency
Seamless network of multiple protocol
9. Disadvantages of 4G Wireless
Technology
Battery usage is more.
Hard to implement.
Need complicated hardware.
The equipment required to implement is very expensive.
10. Applications of 4G Wireless Technology
Better usage of Multimedia applications
Tele-Geoprocessing
Traffic control
Mobiles phones for surfing on internet
Sensor for controlling Vehicles
11. Technology used in 4G Wireless Systems
• OFDM(Orthogonal Frequency-Division Multiplexing)
• UWB(Ultra-Wideband)
• Smart antennas
• IPv6(Internet Protocol Version 6)
12. Key challenges of 4G Wireless
Technology
1. Less speed or accuracy as compared to upcoming 5G
Technology.
2. Lesser Bandwidth