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

9

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)

11

Single eNodeB

Multiple eNodeB

Introduction Implementation Results Conclusion Future Work References Questions

Results

12

Introduction Implementation Results Conclusion Future Work References Questions

Results

13

Global traffic sent (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

14

Global traffic received (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

15

Global traffic sent for user one (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

16

Global traffic received for user one (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

17

Global LTE downlink delay (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

18

Global LTE uplink delay (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

19

Global LTE uplink throughput (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

20

Global LTE downlink throughput (Single eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

21

Global traffic received (Multiple eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

22

Global traffic sent (Multiple eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

23

Global traffic sent for user one (Multiple eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

24

Global traffic received for user one (Multiple eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

25

Global packet delay variation for user one (Multiple eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Results

26

Global packet delay variation for user one (Multiple eNodeB)

Introduction Implementation Results Conclusion Future Work References Questions

Conclusion

27

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

29

[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