Dynamic Priority Scheduling Mechanism through Adaptive InterFrame Space

摘要：

The increasing demand of multimedia applications in wireless local area networks (WLAN) has led to the attempt to provide quality of service for differentiated traffics in WLAN. In this paper, a novel mechanism, Adaptive IFS through Transmission Delay (AITD) is introduced; to dynamically adjust the inter-frame space (IFS) based on differentiation between required transmission delay and estimated experienced transmission delay. Depending on the network conditions and source requirements, increase in experienced transmission delay toward expected transmission delay leads to dynamic reduction in IFS length and increase in transmission probability. Simulation results show that the proposed mechanism can significantly improve the scheduling performance in comparison with enhanced distributed coordination function introduced in IEEE802.11e.

关键词： IEEE 802.11e distributed coordination function.

作者: Reza Ghazizadeh Pingzhi Fan

作者单位: Institute of Mobile Communications,Southwest Jiaotong University Chengdu, 610031, China

会议类型: 国际会议

会议名称: 第三届IEEE无线通讯、网络技术暨移动计算国际会议

会议地点: 上海

会议语种:英文

在线出版日期: 2007-09-21（万方平台首次上网日期，不代表论文的发表时间）