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Director
- Director Chien-Chao Tseng
- Office:EC626
- Ext:31867
- Email:cctseng@cs.nctu.edu.tw
- Website
Office Assitant
- Miss Wang(Ext:56607) email:listine@cs.nctu.edu.tw
Department
Institutes of Network Engineering

As the first Network Engineering research institute in a public university, the Institute focuses on network and communication researches. It outperforms its peers in Taiwan in the fields of mobile communication, wireless networks, fiber-optic networks, and network security. The Institute emphasizes the impact of research results and its faculty members have obtained many significant achievements. For example, the faculty members of the institute have published nine research papers with more than one hundred citations ¡V an achievement surpassing any other schools of computer science in the country. Four faculty members serve as editors of IEEE Transaction journals. Many faculty members have served as program committee members for prestigious international conferences and received best paper awards. Two professors have been granted Outstanding Research Awards by the National Science Council. Moreover, the Institute faculty includes a dual fellowship holder of both IEEE and ACM.
Research Groups
| Research Groups | Research Topics | Group Members |
| Wireless Internet | Design/develop Internet protocols and wireless access technologies | Jason Yi-Bing Lin, Ming-Feng Chang, Chien-Chao Tseng, Shie-Yuan Wang |
| Wireless PAN/LAN/WAN | Design/develop protocols and technologies for wireless personal/local/metropolitan area networks | Rong-Hong Jan, Yu-Chee Tseng, Chien-Chao Tseng, Kuo-Chen Wang, Chien Chen, Hsi-Lu Chao, Chih-Wei Yi |
| Pervasive Computing | Design/develop architectures and protocols for pervasive computing | Kuo-Chen Wang, Yu-Chee Tseng, Wen-Chih Peng, Jiun-Long Huang, John K. Zao |
| Broadband Communication | Design/develop protocols and switching devices for high-speed networks | Maria C. Yuang, Yaw-Chung Chen, Chien Chen, Kuo-Chen Wang |
| Internet Security and QoS | Design/develop protocols for Internet security and quality-of-service provision | Ying-Dar Lin, shiuh-pyng Shieh, Wen-Nung Tsai, Shih-Kun Huang, John K. Zao |
Achievements
- Identifying and solving the problem of broadcast storms in ad hoc networks.
- Suggesting ways of dealing with the problems of location update and roaming efficacy.
- Developing the first vertical integration platform for GPRS and Wi-Fi.
- Compiling the textbook "Wireless and mobile network architectures" published by Wiley, which was ranked as the number one best seller for a long time on Amazon in the field of wireless networking.
- Developing and releasing the highly-praised NCTU-ns Network Simulator and Emulator software to the public.
- Developing Hawaii Mobile IP protocol as an approach for supporting mobility in wide- area wireless networks.
- Designing the first integrated electro-optical hardware and an all-optical IP-over-WDM core network controlled by GMPLS.
- Designing multi-hop cellular, a new architecture for wireless communication.
Future Plan
- Development of key technologies in all-optical broadband Internet.
- Development of key technologies in wireless networks and applications for the next generation.
- Research on group security and key integration.
- Research on platform and applications for sensor network software and hardware.
- Development of network application systems for intelligent homes.
- Research on technologies and service platforms for P2P (peer-to-peer) communication.

