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Introduction
Implementation
Results
Conclusion
Future Work
Reference
Questions
Outline
2
Motivation
Background Information
Project Idea
Introduction Implementation Results Conclusion Future Work References Questions
Introduction
3
4th generation of mobile network technology
Latest high speed mobile broadband technology
Widely used for many countries
Deep understand of LTE network
Motivation
4
Introduction Implementation Results Conclusion Future Work References Questions
What is LTE? Long-Term Evolution
A Standard for wireless data communications
technology
First proposed by NTT DoCoMo of Japan in 2004
Developed by the 3GPP
(3rd Generation Partnership Project)
Background Information
5
Introduction Implementation Results Conclusion Future Work References Questions
LTE Architecture
Background Information
6
Introduction Implementation Results Conclusion Future Work References Questions
Advantages High throughput, downlink rate and uplink rate High capacity of wireless data network High Quality of Service (QoS) Low data transfer latency (less than 5 ms) Conserve power (OFDMA for downlink, SC-FDMA
for uplink) Increased supported cell size (up to 100 km) Scalable carrier bandwidths (1.4 MHz to 20 MHz) Lower operating costs
Background Information
7
Introduction Implementation Results Conclusion Future Work References Questions
Use OPNET to simulate the LTE network
topology
Analysis the performance of video
conferencing on LTE network
Project Idea
8
Introduction Implementation Results Conclusion Future Work References Questions
LTE Network 1 with Single Base-Station (eNodeB)
LTE Network 1 with Multiple Base-Station (eNodeB)
Implementation
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Introduction Implementation Results Conclusion Future Work References Questions
Introduction Implementation Results Conclusion Future Work References Questions
LTE Network 1 (Single eNodeB)
10
Introduction Implementation Results Conclusion Future Work References Questions
LTE Network 2 (Multiple eNodeB)
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Single eNodeB
Multiple eNodeB
Introduction Implementation Results Conclusion Future Work References Questions
Results
12
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic sent (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic received (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic sent for user one (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic received for user one (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global LTE downlink delay (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global LTE uplink delay (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global LTE uplink throughput (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global LTE downlink throughput (Single eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic received (Multiple eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic sent (Multiple eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic sent for user one (Multiple eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global traffic received for user one (Multiple eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global packet delay variation for user one (Multiple eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Results
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Global packet delay variation for user one (Multiple eNodeB)
Introduction Implementation Results Conclusion Future Work References Questions
Conclusion
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Higher bandwidth leads to better
performance Uplink Rate and Downlink Rate
Lower Delay
User under same eNodeB better than
under multiple eNodeB’s
Introduction Implementation Results Conclusion Future Work References Questions
Future Work
28
Build up a more complicated network
topology
Analysis of voice on LTE network
Introduction Implementation Results Conclusion Future Work References Questions
References
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[1] Steven Hartley, “LTE: The Future of Mobile Data” [Online]. Available: http://www.forbescustom.com/TelecomPgs/LTEP1.html
[2] “LTE Architecture” [Online]. Available: http://www.rcrwireless.com/lte/lte-architecture-epc-sae.html
[3] Kreher, Ralf, “LTE signaling, troubleshooting, and optimization / Ralf Kreher and Karsten Gaenger,” in Chichester, West Sussex, U.K.: Wiley, 2011
[4] Ghosh, Amitabha, “Essentials of LTE and LTE-A / Amitabha Ghosh and Rapeepat Ratasuk.” In Cambridge UK ; New York : Cambridge University Press, c2011
[5] FDD-LTE [Online].Available: http://baike.baidu.com/view/3723673.htm
Introduction Implementation Results Conclusion Future Work References Questions
Questions
30
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