Implications of information theory in optical fibre communications
Implications of information theory in optical fibre communications
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DOI：
10.1098/rsta.2014.0438
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发表时间：
2016-03
期刊：
影响因子：
--
通讯作者：
E. Agrell;A. Alvarado;F. Kschischang
中科院分区：
文献类型：
--
作者：
E. Agrell;A. Alvarado;F. Kschischang
近几十年来，我们利用光纤承载信息的能力稳步提高。这个过程会继续下去，还是最终会停滞不前？信息论预测，所有信道的容量都是有限的，这取决于可用的传输资源，因此改进的步伐将不可避免地放慢。然而，信息理论也提供了关于传输资源原则上应该如何最好地利用的见解，因此可以作为在哪里寻找更好的方法来从宝贵的资源中榨取更多资源的指南。本文综述了信息论的基本概念及其在光纤通信中的应用。
Recent decades have witnessed steady improvements in our ability to harness the information-carrying capability of optical fibres. Will this process continue, or will progress eventually stall? Information theory predicts that all channels have a limited capacity depending on the available transmission resources, and thus it is inevitable that the pace of improvements will slow. However, information theory also provides insights into how transmission resources should, in principle, best be exploited, and thus may serve as a guide for where to look for better ways to squeeze more out of a precious resource. This tutorial paper reviews the basic concepts of information theory and their application in fibre-optic communications.