QoS aware packet scheduling algorithm for OFDMA systems

被引：5
|
作者：
Lei, Haipeng [1 ]
Fan, Chen [1 ]
Zhang, Xin [1 ]
Yang, Dacheng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Wireless Theories & Technol Lab WT&T, Beijing 100088, Peoples R China
来源：
2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5 | 2007年
关键词：
OFDMA; packet drop ratio; outage ratio;
D O I：
10.1109/VETECF.2007.395
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a downlink packet scheduling algorithm for OFDMA systems is proposed, which is based on the utility function to guarantee both the packet drop ratio and the play-out outage ratio of video streaming service. The existing algorithms, both Modified-Largest Weighted Delay First (M-LWDF) and Exponent Proportional Fair (EXP/PF) rule can achieve good results in terms of Head-Of-Line (HOL) packet delay, which affects the packet drop ratio. However, they can not consider the play-out outage ratio. Simulation results show that our proposed algorithm outperforms the existing scheduling algorithms in term of packet drop ratio and play-out outage ratio.
引用
收藏
页码：1877 / 1881
页数：5
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