OFDM Modulation with Signal Space Diversity for Indoor Visible Light Communications

LI Hong; YANG Chao

doi:10.13756/j.gtxyj.2016.03.020

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OFDM Modulation with Signal Space Diversity for Indoor Visible Light Communications

- OFDM Modulation with Signal Space Diversity for Indoor Visible Light Communications
- Study on Optical communication Issue 3, Pages: 62-64(2016)
- 作者机构：
  
  1. 湖北工业大学计算机科学与技术学院
  2. 华中科技大学计算机科学与技术学院
  3. 华中科技大学武汉国家光电实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.03.020
  CLC： TN929.1
- Published：2016，
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[1]李红,杨超.基于SSD的OFDM技术在可见光通信中的应用[J].光通信研究,2016(03):62-64+75.

LI Hong, YANG Chao. OFDM Modulation with Signal Space Diversity for Indoor Visible Light Communications. [J]. (3):62-64(2016)
[1]李红,杨超.基于SSD的OFDM技术在可见光通信中的应用[J].光通信研究,2016(03):62-64+75. DOI： 10.13756/j.gtxyj.2016.03.020.

LI Hong, YANG Chao. OFDM Modulation with Signal Space Diversity for Indoor Visible Light Communications. [J]. (3):62-64(2016) DOI： 10.13756/j.gtxyj.2016.03.020.

摘要

针对信道的衰落效应会大大影响通信速率和可靠性的问题

提出了一种基于SSD（信号空间分集）方案的OFDM（正交频分复用）调制技术解决方法

并通过实验证明了在可见光通信系统中

该方法可以使得在衰落环境中（9

4dB）信道误码率得到0.7

.3dB的改善

并实现120

60 Mbit/s的物理数据速率。

Abstract

The communication rate and reliability is greatly affected by the channel fading effect.In order to solve the problem

we propose a method based on Signal Space Diversity（SSD）in OFDM modulation scheme in this paper.The experimental results show that the method can achieve 0.7

.3dB Bit Error Rate（BER）improvement at the data rate of 120

60Mbit/s in fading environment with over 9

4dB attenuation in Visible Light Communication（VLC）system.

关键词

室内白光LED可见光通信信号空间分集正交频分复用

Keywords

indoor white LEDVLCSSDOFDM

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