Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Laser & Optoelectronics Progress, Volume. 59, Issue 12, 1228005(2022)

Anti-Interference Performance Analysis of Modulated Light Detection and Ranging Using Code Division Multiple Access

Hengheng Liang1, Xichen Wang2, Yonglong Chen2, Junan Zhang1, and Yingke Xie3、*
Author Affiliations
  • 1School of Artificial Intelligence, Chongqing University of Technology, Chongqing 401120, China
  • 2Liangjiang International College, Chongqing University of Technology, Chongqing 401120, China
  • 3College of Science, Chongqing University of Technology, Chongqing 401320, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (2)
    References (1)
    Cited By (1)
    Tools
    Paper Information
    Topics
    Figures & Tables(13)
    Schematic of CDMA modulated LiDAR

    Fig. 1. Schematic of CDMA modulated LiDAR

    Download full size
    Correlation characteristics of different code sets. (a) m codes; (b) PC codes; (c) OOC codes

    Fig. 2. Correlation characteristics of different code sets. (a) m codes; (b) PC codes; (c) OOC codes

    Download full size
    Variation of false alarm rates corresponding to each code group with SNR

    Fig. 3. Variation of false alarm rates corresponding to each code group with SNR

    Download full size
    Simulation result of ranging without interference. (a) Echo signal; (b) correlation result of C3 code and echo signal

    Fig. 4. Simulation result of ranging without interference. (a) Echo signal; (b) correlation result of C3 code and echo signal

    Download full size
    Simulation of legacy single pulse LiDAR interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Fig. 5. Simulation of legacy single pulse LiDAR interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Download full size
    Simulation of CDMA modulated Lidar interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Fig. 6. Simulation of CDMA modulated Lidar interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Download full size
    FMCW signal and CDMA signal of equal power. (a) FMCW LiDAR signal; (b) CDMA modulated LiDAR signal

    Fig. 7. FMCW signal and CDMA signal of equal power. (a) FMCW LiDAR signal; (b) CDMA modulated LiDAR signal

    Download full size
    Simulation of FMCW Lidar interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Fig. 8. Simulation of FMCW Lidar interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Download full size
    Interference results under different FMCW signals. (a) Interference results of FMCW signals with different center frequencies; (b) interference results of FMCW signals with different frequency modulation slopes

    Fig. 9. Interference results under different FMCW signals. (a) Interference results of FMCW signals with different center frequencies; (b) interference results of FMCW signals with different frequency modulation slopes

    Download full size
    Simulation of densely pulses interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Fig. 10. Simulation of densely pulses interfering. (a) Received signal; (b) result of threshold detection; (c) slide correlation result of C3 code

    Download full size
    Variation of correlation peak ratio under different density interference

    Fig. 11. Variation of correlation peak ratio under different density interference

    Download full size

    • Table 1. Orthogonal code sets

      View table

      Table 1. Orthogonal code sets

      No.m sequencePC sequenceOOC sequence
      C1100001010111011000111110011010010000100001000010000100001100000100000000000000000000000
      C2100001001011001111100011011101010000010000010000010000011010000000010000000000000000000
      C3100001100100111110111000101011010000001000000101000000101001000000000001000000000000000
      C4100001101010010001011111011001110000000100100000001001001000100000000010000000000000000
      C5100001110011011111010001001010110000000010001000100010001000010000000100000000000000000
      C61000010110101000111011111001001

    • Table 2. Simulation specifications of CDMA modulated LiDAR

      View table

      Table 2. Simulation specifications of CDMA modulated LiDAR

      ParameterValue
      Range100 m @20% reflectivity
      Rate /（point·s-1）250000
      Period /us4
      Pulse width /ns1
      Orthogonal code

      000000000000）

      C3（1001000000000001000

      Atmospheric transmission0.480-0.707
      Target surface reflectivity20%-80%
      Threshold（normalized）0.115/1002
      Detection methodSliding correlation
    Tools

    Get Citation

    Copy Citation Text

    Hengheng Liang, Xichen Wang, Yonglong Chen, Junan Zhang, Yingke Xie. Anti-Interference Performance Analysis of Modulated Light Detection and Ranging Using Code Division Multiple Access[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1228005

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: Remote Sensing and Sensors

    Received: Apr. 23, 2021

    Accepted: Jun. 27, 2021

    Published Online: Jun. 9, 2022

    The Author Email: Yingke Xie (xieyingke@cqut.edu.cn)

    DOI:10.3788/LOP202259.1228005

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology