Image Transmission with Adaptive Power and Rate Allocation over Flat Fading Channels Using Joint Source Channel Coding

被引：0
|
作者：
Hakonsen, Greg H. [1 ]
Ramstad, Tor A. [1 ]
Gjendemsjo, Anders [1 ]
机构：
[1] Norweian Univ Sci & Technol, Dept Elect & Telecommun, N-7491 Trondheim, Norway
来源：
E-BUSINESS AND TELECOMMUNICATION NETWORKS | 2008年 / 9卷
关键词：
Joint source channel coding; nonlinear mappings; fading channel; image coder;
D O I：
暂无
中图分类号：
C93 [管理学]; O22 [运筹学];
学科分类号：
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要：
A joint source channel coder (JSCC) for image transmission over flat fading channels is presented. By letting the transmitter have information about the channel, and by letting the code-rate vary slightly around a target code-rate, it is shown how a robust image coder is obtained by using time discrete amplitude continuous symbols generated through the use of nonlinear dimension changing mappings. Due to their robustness these mappings are well suited for the changing conditions on a fading channel.
引用
收藏
页码：312 / 321
页数：10
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