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A Block Bi-Diagonalization-Based Pre-Coding for Indoor Multiple-Input-Multiple-Output-Visible Light Communication System

Author

Listed:
  • Prabu Subramani

    (Department of Electronics and Communication Engineering, Mahendra Institute of Technology, Mahendhirapuri, Mallasamudram West, Tiruchengode, Tamil Nadu 637503, India)

  • Ganesh Babu Rajendran

    (Department of Electronics and Communication Engineering, SRM TRP Engineering College, Mannachanallur, Taluk, Irungalur, Tamil Nadu 621105, India)

  • Jewel Sengupta

    (Department of Computer Science, Visvesvaraya Technological University, Machhe, Belgaum, Karnataka 590018, India)

  • Rocío Pérez de Prado

    (Telecommunication Engineering Department, University of Jaén, 23071 Jaén, Spain)

  • Parameshachari Bidare Divakarachari

    (Department of Telecommunication Engineering, GSSS Institute of Engineering and Technology for Women, Mysuru, Karnataka 570016, India)

Abstract

Visible Light Communication (VLC) is a promising field in optical wireless communications, which uses the illumination infrastructure for data transmission. The important features of VLC are electromagnetic interference-free, license-free, etc. Additionally, Multiple-Input-Multiple-Output (MIMO) techniques are enabled in the VLC for enhancing the limited modulation bandwidth by its spectral efficiency. The data transmission through the MIMO-VLC system is corrupted by different interferences, namely thermal noise, shot noise and phase noise, which are caused by the traditional fluorescent light. In this paper, an effective precoding technique, namely Block Bi-Diagonalization (BBD), is enabled to mitigate the interference occurring in the indoor MIMO-VLC communications. Besides, a Quadrature Amplitude Modulation (QAM) is used to modulate the signal before transmission. Here, the indoor MIMO-VLC system is developed to analyze the communication performance under noise constraints. The performance of the proposed system is analyzed in terms of Bit Error Rate (BER) and throughput. Furthermore, the performances are compared with three different existing methods such as OAP, FBM and NRZ-OOK-LOS. The BER value of the proposed system of scenario 1 is 0.0501 at 10 dB, which is less than that of the FBM technique.

Suggested Citation

  • Prabu Subramani & Ganesh Babu Rajendran & Jewel Sengupta & Rocío Pérez de Prado & Parameshachari Bidare Divakarachari, 2020. "A Block Bi-Diagonalization-Based Pre-Coding for Indoor Multiple-Input-Multiple-Output-Visible Light Communication System," Energies, MDPI, vol. 13(13), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:13:p:3466-:d:380390
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    References listed on IDEAS

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    1. Tanweer Ali & Warsha Balani, 2019. "A robust pre-coding and hybrid equalization assisted MIMO-MU visible light communication system for QoS centric indoor communication," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 72(3), pages 457-470, November.
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    Cited by:

    1. S. N. Shivappriya & S. Karthikeyan & S. Prabu & R. Pérez de Prado & B. D. Parameshachari, 2020. "A Modified ABC-SQP-Based Combined Approach for the Optimization of a Parallel Hybrid Electric Vehicle," Energies, MDPI, vol. 13(17), pages 1-22, September.

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