Joint uplink and downlink optimization for video conferencing over wireless LAN

被引：0
|
作者：
Su, GM [1 ]
Han, Z [1 ]
Wu, M [1 ]
Liu, KJR [1 ]
机构：
[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA
来源：
2005 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1-5: SPEECH PROCESSING | 2005年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, a real-time video conferencing framework is proposed for multiple conferencing pairs by joint considering the uplink and downlink conditions within IEEE802.11 networks. We formulate this system as to minimize the maximal end-to-end expected distortion received by all users by selecting the PRY modes and transmission time. Compared with the strategy of individually optimizing uplink and downlink, the proposed framework outperforms by 3.67 similar to 8.65 dB for the average received PSNR among all users.
引用
收藏
页码：1101 / 1104
页数：4
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