Dynamic WFQ scheduling for real-time traffic in wireless ATM links

被引：0
|
作者：
Pang, K [1 ]
Lin, XK [1 ]
Zheng, JL [1 ]
Gu, XD [1 ]
机构：
[1] Tsing Hua Univ, Natl Key Lab Microwave & Digital Commun, Beijing, Peoples R China
来源：
2000 INTERNATIONAL CONFERENCE ON COMMUNICATION TECHNOLOGY PROCEEDINGS, VOLS. I & II | 2000年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a dynamic scheduling scheme to provide Quality of Service (QoS) guarantees in wireless Multiple Access Control (MAC). In order to achieve high bandwidth utilization and QoS guarantee ratio, token models of sources are constructed in Base Station (BS) scheduler. A token model WFQ algorithm is developed to combine loss and delay requirements for uplink scheduling of realtime traffic. Dynamic priorities are implemented in real-time traffic token model. In addition, emergency token buffer is used to accommodate the bursty characteristics of rt-VBR. Backlogged token buffer compensates the backlogged flow suffering from channel error. Simulations ate done to demonstrate that our DWFQ scheme can improve both QoS performance and allocation efficiency greatly.
引用
收藏
页码：1479 / 1482
页数：4
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