Transmitting k samples over the Gaussian channel: energy-distortion tradeoff

被引：0
|
作者：
Kostina, Victoria [1 ]
Polyanskiy, Yury [2 ]
Verdu, Sergio [3 ]
机构：
[1] CALTECH, Pasadena, CA 91125 USA
[2] MIT, Cambridge, MA 02139 USA
[3] Princeton Univ, Princeton, NJ 08544 USA
来源：
2015 IEEE INFORMATION THEORY WORKSHOP (ITW) | 2015年
关键词：
Joint source-channel coding; lossy compression; single-shot method; finite-blocklength regime; rate-distortion theory; feedback; memoryless channels; Gaussian channels; energy-distortion tradeoff; Shannon theory;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We investigate the minimum transmitted energy required to reproduce k source samples with a given fidelity after transmission over a memoryless Gaussian channel. In particular, we analyze the reduction in transmitted energy that accrues thanks to the availability of noiseless feedback. Allowing a nonvanishing excess distortion probability epsilon boosts the asymptotic fundamental limit by a factor of 1 - epsilon, with or without feedback. If feedback is available, achieving guaranteed distortion with finite average energy is possible.
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页数：5
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