可见光通信的间隔多脉冲位置调制

郭树旭; 臧玲玲; 韩明珠; 陈海鹏; 钟菲

doi:10.3788/OPE.20142207.1760

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可见光通信的间隔多脉冲位置调制

现代应用光学 | 更新时间：2020-08-13

- 可见光通信的间隔多脉冲位置调制
- Interval pulse position modulation in visible light communication
- 光学精密工程 2014年22卷第7期页码：1760-1765
- 作者机构：
  
  吉林大学电子科学与工程学院,吉林长春,130012
- 作者简介：
- 基金信息：
  
  吉林省自然科学基金资助项目（No.20090505）()
- DOI：10.3788/OPE.20142207.1760
  中图分类号： TN919.12
- 收稿日期：2013-08-30，
  
  修回日期：2013-10-24，
  
  纸质出版日期：2014-07-25
- 稿件说明：
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郭树旭*, 臧玲玲, 韩明珠等. 可见光通信的间隔多脉冲位置调制[J]. 光学精密工程, 2014,22(7): 1760-1765

GUO Shu-xu*, ZANG Ling-ling, HAN Ming-zhu etc. Interval pulse position modulation in visible light communication[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1760-1765
郭树旭*, 臧玲玲, 韩明珠等. 可见光通信的间隔多脉冲位置调制[J]. 光学精密工程, 2014,22(7): 1760-1765 DOI： 10.3788/OPE.20142207.1760.

GUO Shu-xu*, ZANG Ling-ling, HAN Ming-zhu etc. Interval pulse position modulation in visible light communication[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1760-1765 DOI： 10.3788/OPE.20142207.1760.

摘要

根据室内可见光通信（VLC）的信道传输特性，建立了一种可见光通信系统的链路模型，提出了用于VLC系统的间隔多脉冲位置调制（IMPPM）方案。介绍了IMPPM方案的符号结构，并将该方案与VLC系统的另外两种调制方式，脉冲位置调制（PPM）和多脉冲位置调制（multi-PPM，MPPM）在带宽、功率需求，比特误差率（BER）等方面进行了比较。结果显示：MPPM和IMPPM在信源（

）为3，4，5 bit时的带宽需求和功率需求取得了比较好的平衡。当BER达到10

-3

时，IMPPM接收的光功率比PPM低4 dB，比MPPM低2 dB；由于IMPPM中相邻两脉冲有时间间隔，所以，其BER性能要优于MPPM。IMPPM用于可见光通信时，其功率需求低于MPPM，抗多径及码间干扰的能力优于PPM和MPPM。

Abstract

Based on channel transmission properties of the indoor Visible Light Communication (VLC) systems

a link model for VLC systems was described.Then the Interval Pulse Position Modulation (IMPPM) scheme applied in VLC systems was proposed by using the link model.The symbolic structure of the IMPPM scheme was introduced

then the scheme was compared with the other two modulation schemes

Pulse Position Modulation(PPM) and Multi-PPM(MPPM)

on the bandwidths

power requirements and Bit Error Rates(BERs).Simulation results indicate that IMPPM applied in VLC systems can make a better balance in bandwidths and power requirements when the source bit(

) is 3

5.As the BER reaches 10

-3

the received optical power of IMPPM is 2 dB and 4 dB lower than those of the MPPM and PPM respectively.Moreover

the BER of IMPPM is superior to that of the MPPM because the pulses of IMPPM has intervals.Obtained results demonstrate that the IMPPM has low power requirements and better performance on anti-multipath and inter-symbol interference compared with that of PPM and MPPM.

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references

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