1. http://WM.tongji.edu.cn Future Broadband Wireless Communication Mobility Testing Platform Ph.D, Prof. Fuqiang Liu, Xuefeng Yin Broadband Wireless Communication and Multimedia Institute Embedded System and Computing-service Lab, Ministry of Education School of Electronics and Information Engineering Tongji University http://wm.tongji.edu.cn

2. http://WM.tongji.edu.cn Tongji Universitys Campuses Siping Campus Anting Campus Anting auto town; Auto Electronics Shanghai

3. 3 http://WM.tongji.edu.cn Outline Broadband Wireless Testbed(WiMAX/4G) –4G Testbed Shanghai Platform –Tongjis work in 4G –Vehicle Broadband Wireless Research and simulation –Testing Platform Channel Emulation for Mobility Testing

4. 4 http://WM.tongji.edu.cn

5. 5 Testbed design(Shanghai)

6. 6 http://WM.tongji.edu.cn Framework of Shanghai 4GTest

7. 7 http://WM.tongji.edu.cn Base on the characters of the project, the indicators of the networking test should focus on the performance evaluation of the system. Tongjis work in 4Gtest

8. 8 http://WM.tongji.edu.cn DEMO__MIMO based wireless network evaluation system demonstration

9. 9 http://WM.tongji.edu.cn Networking Testbed Architecture Channel Testbed

10. 10 http://WM.tongji.edu.cn Features of DSRC Dedicate short rang communications (DSRC),IEEE802.11p 75 MHz of band available in U.S. –Twice the bandwidth of cellular –Approved by FCC –Primary allocation –Allocation incentive was safety Range: Up to 1000 meters Data Rate: Up to 27 Mbps –Tolling will probably use default data rate of 6 Mbps Mobile connection: up to 120 mph High Availability & Low Latency (50ms) Prioritization Service

11. 11 http://WM.tongji.edu.cn Service-Oriented Research Safety: improving driving safety and/or traffic efficiency Non-safety: providing information and/or entertainment to the driver

12. 12 http://WM.tongji.edu.cn Hybrid Framework Vehicle Broadband Wireless Network Research (funded by National High-tech Research and Development Program (863 Project))

13. 13 http://WM.tongji.edu.cn Research Topics Realistic mobility model Multi-channel Coordination Mobility prediction Data dissemination Cluster-Based Routing Protocol Power Power Control Session Maintenance Maneuver

14. 14 http://WM.tongji.edu.cn Realistic mobility model Traffic flow characteristics -Vehicles speed range -Lanes number -Vehicles density -Lane changing features -Traffic regulation

15. 15 http://WM.tongji.edu.cn Multi-Channel Operation North America FCC 1999 DSRC: 172-184, 7 channels Channel Coordination Channel Assignment

16. 16 http://WM.tongji.edu.cn Mobility Prediction Mobility prediction Nodes can rebuild new routes by sensing its neighbours' movements unnecessary prediction (<200): A->C 1 C 2 C 3 safe transmission (200<R<240): A->C 4 change route (240<R<250): A->D->C n

17. 17 http://WM.tongji.edu.cn Cluster-Based Routing Protocol Intra cluster : emergency messages, etc. Inter cluster : non-emergency and long-distance messages, etc.

18. 18 http://WM.tongji.edu.cn Simulation Scenario DSRC Simulation in NS2

19. 19 http://WM.tongji.edu.cn

20. 20 http://WM.tongji.edu.cn

21. 21 http://WM.tongji.edu.cn Testing Platform Scene

22. 22 http://WM.tongji.edu.cn DEMO__DSRC

23. 23 http://WM.tongji.edu.cn Outline Broadband Wireless Testbed(WiMAX/4G) –4G Testbed Shanghai Platform –Tongjis work in 4G –Vehicle Broadband Wireless Research and simulation –Testing Platform Channel Emulation for Mobility Testing