Study on BPSK encoding by using 3rd-order ultra-wideband pulse signals

Zhang Yuchen; Chen Xinqiao; Tang Lin

doi:10.13756/j.gtxyj.2015.06.008

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Study on BPSK encoding by using 3rd-order ultra-wideband pulse signals

- Study on BPSK encoding by using 3rd-order ultra-wideband pulse signals
- Study on Optical communication Issue 6, Pages: 37-39(2015)
- 作者机构：
  
  中国传媒大学信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.06.008
  CLC： TN925
- Published：2015，
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[1]张雨辰,陈新桥,唐林.采用三阶超宽带脉冲实现BPSK编码的研究[J].光通信研究,2015(06):37-39+52.

Zhang Yuchen, Chen Xinqiao, Tang Lin. Study on BPSK encoding by using 3rd-order ultra-wideband pulse signals. [J]. (6):37-39(2015)
[1]张雨辰,陈新桥,唐林.采用三阶超宽带脉冲实现BPSK编码的研究[J].光通信研究,2015(06):37-39+52. DOI： 10.13756/j.gtxyj.2015.06.008.

Zhang Yuchen, Chen Xinqiao, Tang Lin. Study on BPSK encoding by using 3rd-order ultra-wideband pulse signals. [J]. (6):37-39(2015) DOI： 10.13756/j.gtxyj.2015.06.008.

摘要

为了实现UWB（超宽带）光纤技术的多用户接入

提出了基于PM-IM（相位调制-强度调制）转换以及多路鉴频实现三阶UWB脉冲的BPSK（二进制相移键控）编码方案

分析了其工作原理并采用光子模拟软件进行了仿真。得到了不同的BPSK编码序列

其频谱中心频率为6.7GHz

相对带宽为104.5%

符合FCC（美国联邦通信委员会）对于UWB信号的规定。分析了高斯脉冲宽度和光功率对仿真结果的影响

发现高斯脉冲宽度为0.5bit时所得信号频谱最为理想

当光源功率小于26dBm时

PSD（功率谱密度）符合FCC规定

为实现多用户接入的编码提供了一种新方案。

Abstract

In order to realize multi-access in Ultra-WideBand（UWB）-over-fiber systems

this paper presents a scheme based on PM-IM conversion and multi-channel frequency discrimination for Binary Phase Shift Keying（BPSK）-encoding by using 3rd-order UWB pulse signals

analyzes its working principle and performs the relevant simulation using Optisystem13.0.It obtains different BPSK-encoded sequences with a central frequency of 6.7GHz and a relative bandwidth of 104.5%

complying with FCC specifications for UWB signals.Then

it analyzes the impacts of Gaussian pulse width and optical power on the simulation results

finding that when the Gaussian pulse width is 0.5bit

the frequency spectrum of the obtained signals is the most ideal

while when the light source power is below 26 dBm

the Power Spectral Density（PSD）complies with the FCC requirements.These results provide a possible scheme for the encoding requirements of multi-user access in UWB-over-fiber systems.

关键词

超宽带信号二进制相移键控编码高阶超宽带信号

Keywords

UWB signalBPSKencodinghigh-order UWB signal

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