November 2004 Soft QoS-based Radio Resource Management for Interworking between WLAN and Other Networks Young J. Lee*, Young M. Woo*, and Yeong M. Jang* Do H. Kim** , Sun J. Kim **, and Heung N. Kim ** *Kookmin University, Korea E-mail: yjang@kookmin.ac.kr **Electronics and Telecommunications Research Institute, Korea Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Contents Interworking Architecture in HMIPv6 Networks November 2004 Contents Interworking Architecture in HMIPv6 Networks Soft QoS-based Connection Admission Control (CAC) Numerical Result Summery Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

HMIPv6 Hierarchical Mobile IPv6 November 2004 HMIPv6 Hierarchical Mobile IPv6 MIPv6 may have problem to support real-time or loss-sensitive application. Handoff latency Introducing the new protocol agent called MAP Handle location registration message directly for MNs within the MAP domain Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

HMIPv6 (Cont.) Macro Handoff (Vertical Handoff) November 2004 Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Interworking Architecture November 2004 Interworking Architecture Interworking between WLAN and cdma2000 Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Vertical Handoff Call flow for Vertical Handoff November 2004 Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Connection Admission Control (CAC) November 2004 Connection Admission Control (CAC) Flow Chart for Proposed CAC Algorithm Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

M/M/N+α/N+α Model M/M/N+α/N+α Queuing Model November 2004 M/M/N+α/N+α Model M/M/N+α/N+α Queuing Model : Arrival rate of Horizontal handoff call or new call : Arrival rate of Vertical handoff call : Service rate : Maximum number of connections : reserved capacity for vertical handoff call by Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

M/M/N+α/N+α Model (Cont.) November 2004 M/M/N+α/N+α Model (Cont.) , the steady state probability when calls are in the MAP where, Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

M/M/N+α/N+α Model (Cont.) November 2004 M/M/N+α/N+α Model (Cont.) Numerical Result Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

M/M/N+α/N+α Model (Cont.) November 2004 M/M/N+α/N+α Model (Cont.) Numerical Result Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Fluid Flow Model Traffic Model: On-Off Source State Transition Diagram November 2004 Fluid Flow Model Traffic Model: On-Off Source State Transition Diagram Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Fluid Flow Model (Cont.) November 2004 Fluid Flow Model (Cont.) Outage probability according to prediction time Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Fluid Flow Model (Cont.) November 2004 Fluid Flow Model (Cont.) The outage probability versus the arrival rates Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Fluid Flow Model (Cont.) November 2004 Fluid Flow Model (Cont.) The maximum number of connections versus the arrival rates Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

Summary Interworking for heterogeneous networks November 2004 Summary Interworking for heterogeneous networks Key techniques for ubiquitous network Mobility management scheme Connection admission control (CAC) Soft QoS based CAC QoS support for vertical handoff connection Analyzed the dropping probability using M/M/N/N queuing model and fluid flow model Applicable to Interworking model between IEEE 802.16 and cellular networks Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea