论文标题
关于强度调制的能力直接检测高斯光学无线通信通道:教程
On the Capacity of Intensity-Modulation Direct-Detection Gaussian Optical Wireless Communication Channels: A Tutorial
论文作者
论文摘要
通过强度调制和直接检测(IM/DD)的光学无线通信(OWC)具有一个通道模型,该模型具有独特的功能,这是由于施加了通道输入上的约束。本教程的目的是概述以IM/DD通道的能力,该通道的能力,无独立的高斯噪声作为OWC通道的模型。它为读者提供了该主题的切入点,并突出了该领域的一些主要贡献。首先,除了解释输入约束之外,还从有关渠道模型的讨论以及该IM/DD高斯通道模型如何产生开始。然后,它讨论了单输入单输出通道的能力,其计算以及容量边界和渐近容量的结果。然后,将讨论扩展到多输入多输出设置,并查看此通道模型的容量界限。最后,它讨论了以广播通道(下行链路)或多访问通道(上行链路)为模型的多用户渠道及其相关的容量界限。
Optical wireless communication (OWC) using intensity-modulation and direct-detection (IM/DD) has a channel model which possesses unique features, due to the constraints imposed on the channel input. The aim of this tutorial is to overview results on the capacity of IM/DD channels with input-independent Gaussian noise as a model of OWC channels. It provides the reader with an entry point to the topic, and highlights some major contributions in this area. It begins with a discussion on channel models and how this IM/DD Gaussian channel model comes about, in addition to an explanation of input constraints. Then, it discusses the capacity of the single-input single-output channel, its computation, and capacity bounds and asymptotic capacity results. Then, it extends the discussion to the multiple-input multiple-output setup, and reviews capacity bounds for this channel model. Finally, it discusses multi-user channels modelled as a broadcast channel (downlink) or a multiple-access channel (uplink), with their associated capacity bounds.