1 Outline General Description Breakthroughs and Major Achievements Categorized Summary A Summary of the Post-Project Plan International Cooperation Activities

2 General Description

3

4 Wire1X – A supplicant of 802.1x – Support a lot of EAP authentication types

General Description Fast WiMAX handoff by using SIP mobility – Cross-layer design to reduce handoff delay – Using SIP mobility to enhance multimedia applications 5

6 Breakthroughs and Major Achievements TechnologyState-of-the-ArtBreakthrough RAMP A Reconfigurable Architecture and Mobility Platform We have proposed an architecture to accommodate, control, and coordinate various types of mobility management protocols. Both analytical model and simulation have been developed to analyze the architecture sRAMPDeploy security mechanisms into RAMP RAMP provides mobility management choices. We have implement the security mechanisms into RAMP to make the RAMP system more secure.  Core Networks

7 Breakthroughs and Major Achievements TechnologyState-of-the-ArtBreakthrough Wire1X A supplicant of 802.1X X has been used in wireless authentication protocols. Wire1X provide various authentication types and several encryption algorithms. Fast SIP mobility in WiMAX environment A cross-layer design for fast SIP mobility in WiMAX environment Our work design is to reduce the handoff latency in WiMAX environment. In order to enhance multimedia applications, we choosing SIP mobility as mobility management.  Core Networks

8 Breakthroughs and Major Achievements Core Networks Reconfigurable Architecture and Mobility Platform (100%, Chen) Security mechanisms into RAMP (100%, Chen) Wire1X (80%, Chen) Fast SIP mobility in WiMAX environment (100%, Chen)

9 Categorized Summary Journal papers : (2006/4/1 ~ 2007/03/31) 1. J.-C. Chen, Y.-W. Liu, and L.-W. Lin, “Mobile virtual private networks with dynamic MIP home agent assignment,” Wireless Communications and Mobile Computing (Wiley), vol. 6, no. 5, pp , August (SCI, EI)  J.-C. Chen, V. Sarangan, A. McAuley, S. Baba, Y. Ohba, and Z.-H. Liu, “Design and implementation of dynamic service negotiation protocol (DSNP),” Computer Communications (Elsevier), vol. 29, no. 16, pp , October (SCI, EI)  J.-C. Chen and W.-M. Chen, “Design and analysis of a mobility gateway for GPRS-WLAN integration,” IEEE Transactions on Vehicular Technology, 2006.( to appear) (SCI, EI) 4. P. Agrawal, J.-H. Yeh, J.-C. Chen, and T. Zhang, “Scalability of the IP Multimedia Subsystems (IMS) in 3GPP and 3GPP2,” IEEE Communications Magazine, 2007, accepted with minor revisions. (SCI, EI) 5. C.-K. Chen, C.-W. Chen, C.-T. Ko, J.-K. Lee, and J.-C. Chen, “Case study: mobile Java RMI support over heterogeneous wireless networks,” Journal of Parallel and Distributed Computing (Elsevier), 2007, under revision. (SCI, EI)  J.-C. Chen, J.-H. Yeh, S.-H. Hung, F.-C. Chen, L.-W. Lin, and Y.-W. Lan, “Reconfigurable architecture and mobility management for next-generation wireless IP networks,” IEEE Transactions on Wireless Communications, accepted and to appear, (SCI, EI)  J.-C. Chen and W.-M. Chen, “Design and analysis of a mobility gateway for GPRS-WLAN integration,” IEEE Transactions on Vehicular Technology, to appear in September (SCI, EI)

10 Categorized Summary Conference papers : (2006/4/1 ~ 2007/03/31) 1. J.-C. Chen, J.-C. Liang, S.-T. Wang, S.-Y. Pan, Y.-S. Chen and Y.-Y. Chen, “Fast handoff in mobile virtual private networks,” In Proc. of IEEE International Symposium on a World of Wireless Mobile and Multimedia Networks (WoWMoM), Buffalo, USA, pp , June J.-C. Chen, T.-C. Chen, T. Zhang, and E. van den Berg, “Effective AP selection and load balancing in IEEE wireless LANs,” To appear in Proc. of IEEE Global Telecommunications Conference (Globecom), San Francisco, USA, November J.-C. Liang, J.-C. Chen, and T. Zhang, “Mobile service discovery protocol (MSDP) for mobile ad-hoc networks,” in Proc. of IEEE International Symposium on Autonomous Decentralized Systems, special session on ad-hoc networks in automotive networking and applications (ISADS ‘07), (Sedona, AZ), March (Invited)

11 Categorized Summary 專利申請及獲得  J.–C. Chen, “Distributed soft handoff among IP-based base stations,” US 7,002,936, issued by U.S. Patent and Trademark Office, February 21, (with P. Agrawal and T. Zhang)  J.–C. Chen, “Apparatus of dynamically assigning external home agent for mobile virtual private networks and method for the same (I),” CN , issued by State Intellectual Property Office of P.R.C., February 22, (with L.-W. Lin and Y.-W. Liu)  J.–C. Chen, “Apparatus of dynamically assigning external home agent for mobile virtual private networks and method for the same (II),” CN , issued by State Intellectual Property Office of P.R.C., February 22, (with L.-W. Lin and Y.-W. Liu)  J.–C. Chen, “Network-layer and link-layer use of shadow addresses in soft handoff within subnets,” US 7,031,278, issued by U.S. Patent and Trademark Office, April 18, (with P. Agrawal and T. Zhang)  J.–C. Chen, “Network-layer and link-layer use of shadow addresses with IP-based base stations,” US 7,035,236, issued by U.S. Patent and Trademark Office, April 25, (with P. Agrawal and T. Zhang)  J.–C. Chen, “Packet distribution and selection in soft handoff for IP-based base stations among multiple subnets,” US 7,039,028, issued by U.S. Patent and Trademark Office, May 2, (with T. Zhang)  J.–C. Chen, “Dynamic assignment and validation of IP address in wireless IP network,” US 7,072,340, issued by U.S. Patent and Trademark Office, July 4, (with P. Agrawal and T. Zhang)

12 Categorized Summary 專利申請及獲得 7. J.–C. Chen, “Packet distribution and selection in soft handoff for IP-based base stations among multiple subnets,” US 7,039,028, issued by U.S. Patent and Trademark Office, May 2, (with T. Zhang) 8. J.–C. Chen, “Distributed smooth handoff using shadow addresses in IP-based base stations,” US 7,075,910, issued by U.S. Patent and Trademark Office, July 11, (with T. Zhang) 9. “Method and system for host mobility management protocol,” US 7,184,418, issued by U.S. Patent and Trademark Office, February 27, (with S. Baba, A. Dutta, Y. Shobatake, and F. Vakil)

13 A Summary of the Post-Project Plan Technology RAMP Implementation of RAMP architecture Deploy SIP mobility as a part of RAMP architecture Support more mobility managements sRAMP Implementation of sRAMP Support more security schemes in RAMP

14 A Summary of the Post-Project Plan Technology Wire1X Support for basic 802.1X protocol Add support for EAP- TTLS, EAP-PEAP, EAP- SIM, TLS, TTLS, and PEAP Compatible with IEEE i standard Support more EAP protocols Fast SIP mobility in WiMAX environment Implementation of fast SIP mobility in WiMAX Further simulation and analysis of the performance