A RoF-based wireless wideband access system for high-speed train compartments and its electromagnetic environment

Lei Li; Zou Xihua; Lu Bing

doi:10.13756/j.gtxyj.2015.03.024

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A RoF-based wireless wideband access system for high-speed train compartments and its electromagnetic environment

- A RoF-based wireless wideband access system for high-speed train compartments and its electromagnetic environment
- Study on Optical communication Issue 3, Pages: 75-78(2015)
- 作者机构：
  
  西南交通大学信息光子与通信研究中心
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.03.024
  CLC： TN92
- Published：2015，
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[1]雷雳,邹喜华,卢冰.高铁车厢内RoF无线宽带接入及其电磁环境研究[J].光通信研究,2015(03):75-78.

Lei Li, Zou Xihua, Lu Bing. A RoF-based wireless wideband access system for high-speed train compartments and its electromagnetic environment. [J]. (3):75-78(2015)
[1]雷雳,邹喜华,卢冰.高铁车厢内RoF无线宽带接入及其电磁环境研究[J].光通信研究,2015(03):75-78. DOI： 10.13756/j.gtxyj.2015.03.024.

Lei Li, Zou Xihua, Lu Bing. A RoF-based wireless wideband access system for high-speed train compartments and its electromagnetic environment. [J]. (3):75-78(2015) DOI： 10.13756/j.gtxyj.2015.03.024.

摘要

首先提出一种基于RoF（光载无线）技术在高铁车厢内实施分布式宽带无线接入的方案

该方案具有低发射功率、分布式微小区覆盖和多接入点等特点;随后

利用FDTD（有限差分时域）算法软件建立了一套高铁车厢电磁环境分析模型

对宽带接入环境下车厢内的电磁辐射进行了分析;通过对比RoF分布式方案和传统无线接入系统发现

RoF无线接入系统能够在产生更小功耗的同时降低车厢内耦合电场强度4

从而有效降低了对车载设备的电磁干扰。

Abstract

This paper first proposes a RoF-based scheme for providing distributed wideband access in high-speed train compartments

which is characteristic of low transmitting power

distributed micro-cell coverage and multi-access points.Then

it builds a model by using the Finite-Difference Time-Domain（FDTD）algorithm software for the evaluation of the electromagnetic radiation effects in the compartments.In comparison with the conventional wireless access systems

the RoF-based system lowers the coupling electric field intensity in the compartments by 4

while causing less power consumption

thus effectively reducing the electromagnetic interference to the on-board devices.

关键词

光通信光载无线无线接入系统电磁环境

Keywords

optical communicationROFwireless access systemelectromagnetic environment

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