1. QoS-Enable Broadband Mobile A ccess to Wireless Networks IEEE Communications Magazine April 2002 報告者 : 通訊所 林益宏

2. Advanced Network Tech. Lab 2/14 Outline Abstract System architecture Resource scheduling Power control UMTS QoS model Conclusion

3. Advanced Network Tech. Lab 3/14 Abstract IMT-2000 within ITU make 3G support multimedia service. Key is to ensure end-to-end QoS requirement. This paper present an overview of radio resourse scheduling scheme. Finally, an example of QoS architecture.

4. Advanced Network Tech. Lab 4/14 System architecture of UMTS

5. Advanced Network Tech. Lab 5/14 Radio resource manager

6. Advanced Network Tech. Lab 6/14 Resource scheduling IMT-2000 is a multiple access system. Maxmize the number of simultaneous user. RRS (Radio Resource Scheduler) RRS in CDMA: 1.MS transmitting power P 2.Bit rate R

7. Advanced Network Tech. Lab 7/14 Power control Bit rate bandwidth Thermal noise P i = power level G bi = link gain between MS i & BS b

8. Advanced Network Tech. Lab 8/14 Combined power and rate control

9. Advanced Network Tech. Lab 9/14 P-R space

10. Advanced Network Tech. Lab 10/14 Control plane radio interface

11. Advanced Network Tech. Lab 11/14 Resource control signaling

12. Advanced Network Tech. Lab 12/14 End to end QoS architecture

13. Advanced Network Tech. Lab 13/14 UMTS QoS classws

14. Advanced Network Tech. Lab 14/14 Conclusion & my proposal This paper present an overview of radio resource manage ment in 3G. It elaborates a good QoS model. I will simulate the VoIP over WLAN with QoS model. Setting different priority to enable QoS. Apply 802.11e in VoIP over WLAN. ~~~END~~~