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Selasa, 14 Desember 2010

Mempelajari Spesifikasi tentang Jaringan 4G


4G - TECHNOLOGY

Synopsis
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1.Introduction
2. Impact of 3G and 4G
3. 4G Networks
4. Difference between 3G and 4G
5. Advantage
6. Disadvantage
7. Future Outlook
8. Conclusion

Introduction
1. High-Speed data access
2. High-quality streaming video
3. Combination of Wi-Fi and Wi-Max
4. SDR, OFDM, OFDMA and MIMO

Impacts of 3G and 4G
1. Data Speed - 70 mbps
2. Starting to invest serious time
3. Wireless technologies

4G Networks:-
1.AT & T
2.Sprint-Nextel

Difference between 3G & 4G:
3G:
speed lies between 384Kbps-2Mbps
Bandwidth is 5-20 MHz
Component Design is Optimised atenna design

4G:
speed lies between 20-100Mbps
Bandwidth is 100 MHz
Component Design with smarter antennas, Software

4G Advantage:
------------
1.MAGIC
2.Affordable cost

Disadvantage:-
1. Battery usage is more
2. Hard to implement
3. Need complicated hardware

Future Outlook
1. 4G is coming quicker
2. Wireless is cheaper

Conclusion
1.High Speed, Capacity, low cost per bit
2.Single worldwide cellular network

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