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Projects
- Co-developer of a suit of tools for urban mobile wireless simulation
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- In this project, our group put a lot of efforts for realistic simulation in urban mesh networks. To this end, 1) radio propagation among 2)
people or vehicles moving with mobile devices in 3) urban city should be realistic.
- Tools developed using C/C++/Perl
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- Urban city builder
- Mobility simulator
- Propagation simulator
- Trace extractor and visualizer
- Server/client for distributed computing to process a huge amount of work
- Developer of linux and Android 802.11 drivers for RF measurements
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- In this project, I modified the driver codes so that many useful information (e.g., all fields in MAC header, radio signal strength recieved) are recorded to a
file using the /proc file system and performed various analysis from the recorded file using MATLAB.
- Analysis performed
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- Wireless network monitoring (topology and traffic)
- Malicious behavior detection
- Time-varying packet error probability and rapid estimation/prediction of link qualities
- Developer of QualNet extension
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- In this project, I analyzed many QualNet codes to grasp how QualNet performs the discrete event simulation among layers. Through this project, I learned how QualNet
developers actually implemented many network protocols that I learned from courses.
- Protocols implemented
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- LBSP/LOSP cross-layer protocols for exploiting path diversity
- Various 802.11-style MAC protocols to compare the impact of channel usage information
- Scheduled wireless transmissions to maximize the throughput based on 802.11 MAC/PHY
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