Application-driven cross-layer approaches to video transmission over downlink OFDMA networks

被引：0
|
作者：
Li, Fan [1 ]
Liu, Guizhong [1 ]
He, Lijun [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China
来源：
2009 IEEE GLOBECOM WORKSHOPS | 2009年
关键词：
video transmission; application-driven; packet scheduling; cross-layer; OFDMA; WIRELESS NETWORKS; OPTIMIZATION;
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 investigates the problem of multiuser video transmission over downlink OFDMA networks. Two schemes, named quality-maximizing and quality-fair, are proposed and analyzed, which are to maximize the video quality without and with fairness constraint, respectively. The novelties of the schemes are characterized by the video application driven and the joint solution to the packet scheduling and subcarrier allocation. The algorithm is compatible with the future wireless networks, such as WiMAX and IMT-Advanced. The simulation results show that the proposed schemes outperform the conventional methods in terms of received video qualities and users' fairness.
引用
收藏
页码：262 / 267
页数：6
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