Performance Analysis of Channel Estimation for Hybrid PLC &amp; VLC System

CHEN Meng-chi; FENG Yong-hua; YOU Shan-hong; ZHOU Min-tong; WANG Ying; WANG Zhen

doi:10.13756/j.gtxyj.2017.01.002

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Performance Analysis of Channel Estimation for Hybrid PLC & VLC System

- Performance Analysis of Channel Estimation for Hybrid PLC & VLC System
- Study on Optical communication Issue 1, Pages: 3-6(2017)
- 作者机构：
  
  1. 苏州大学电子信息学院
  2. 烽火通信科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.01.002
  CLC： TN914
- Published：2017，
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[1]陈梦迟,冯勇华,游善红,周敏彤,王颖,王震.PLC与VLC融合通信系统中的信道估计技术分析[J].光通信研究,2017(01):3-6.

CHEN Meng-chi, FENG Yong-hua, YOU Shan-hong, et al. Performance Analysis of Channel Estimation for Hybrid PLC & VLC System. [J]. (1):3-6(2017)
[1]陈梦迟,冯勇华,游善红,周敏彤,王颖,王震.PLC与VLC融合通信系统中的信道估计技术分析[J].光通信研究,2017(01):3-6. DOI： 10.13756/j.gtxyj.2017.01.002.

CHEN Meng-chi, FENG Yong-hua, YOU Shan-hong, et al. Performance Analysis of Channel Estimation for Hybrid PLC & VLC System. [J]. (1):3-6(2017) DOI： 10.13756/j.gtxyj.2017.01.002.

摘要

研究了基于OFDM（正交频分复用）的电力线与可见光融合通信系统中的信道估计技术

通过建立电力线与可见光信道模型

研究了梳状和块状导频结构下的LS（最小二乘）与SVD（奇异值分解）两种估计准则

以及线性插值与基于DFT（离散傅里叶变换）的插值两种内插方法

通过比较发现

块状导频下的SVD结合线性插值是性能较佳的信道估计算法

并且该算法对导频间隔不敏感。

Abstract

The channel estimation for hybrid Power Line Communication（PLC）& Visible Light Communication（VLC）system based on Orthogonal Frequency Division Multiplexing（OFDM）is investigated.We first introduce a hybrid communication system with PLC and VLC channel models.Then we study two kinds of pilot structure of block type and comb type

two estimation criterions of Least Squares（LS）and Singular Value Decomposition（SVD）

and two interpolation methods of linear interpolation and Discrete Fourier Transform（DFT）-based interpolation.It is shown that SVD combined with linear interpolation is more appropriate to hybrid PLC & VLC system

which has the best performance and is insensitive to pilot space.

关键词

正交频分复用电力线通信可见光通信信道估计

Keywords

OFDMPLCVLCchannel estimation

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Related Author

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Related Institution

Suzhou Guangge Equipment Co.,Ltd.

School of Electronic and Information Engineering,Soochow University

School of Electronics and Information Engineering,Tianjin Polytechnic University

Tianjin Key Laboratory of Optoelectronic Detection Technology and System

College of Computer Science and Technology,Hubei University of Technology

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Performance Analysis of Channel Estimation for Hybrid PLC & VLC System

DOI：10.13756/j.gtxyj.2017.01.002

摘要

Abstract

关键词

Keywords

references