Video broadcasting over MIMO-OFDM systems

被引：0
|
作者：
Ji, Z [1 ]
Zhang, Q [1 ]
Zhu, WW [1 ]
Lu, JH [1 ]
Zhang, YQ [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL II: COMMUNICATIONS-MULTIMEDIA SYSTEMS & APPLICATIONS | 2003年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we address the problem of video broadcasting over the orthogonal frequency division multiplexing (OFDM) systems with multiple antennas in both transmitter and receiver. In broadcast scenario, we propose to utilize the scalable video source with multiple description transcoding to provide multiple replicas for transmission, and post-processing is proposed to acquire parallel spatial subchannels. Our proposed approach minimizes the maximal performance degradation for video broadcasting users with power-efficient assignment of source descriptions to spatial subchannels. The proposed system efficiently combines progressive source coding with MIMO channels to implement robust video broadcasting over MIMO-OFDM systems. Simulation results demonstrate the advantages of our proposed approach.
引用
收藏
页码：844 / 847
页数：4
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