1. 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
**Electronics and Telecommunications Research Institute, Korea
Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea

2. 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

3. 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

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

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

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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. 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

15. 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

16. 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 and cellular networks
Yeong M. Jang et al, Kookmin Univerisity & ETRI, Korea