On Minimum Energy for Robust Gaussian Joint Source-Channel Coding with a Distortion-Noise Profile

被引：0
作者：
Koken, Erman [1 ]
Tunecl, Ertem [1 ]
机构：
[1] Univ Calif Riverside, Riverside, CA 92521 USA
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT) | 2017年
基金：
美国国家科学基金会;
关键词：
Distortion-noise profile; energy-distortion trade-off; energy-limited transmission; fidelity-quality profile; joint source-channel coding;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Minimum energy required to achieve a distortion noise profile, i.e., a function indicating the maximum allowed distortion value for each noise level, is studied for robust transmission of Gaussian sources over Gaussian channels. It is shown that for the inversely linear profile, uncoded transmission is optimal. On the other hand, it turns out that exponential profiles are not achievable with finite energy. Finally, using a family of lower bounds and a proposed coding scheme, the minimum energy behavior for the square-law profile is understood up to a multiplicative constant.
引用
收藏
页码：1668 / 1672
页数：5
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