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<p>Visible light communication (VLC) is widely used in wireless communication systems for the process of information transmission in the form of light signals. One of the most common problem for using the VLC for indoor system is achieving uniform communication performance at different locations without affecting the primary illumination function. Moreover, the radio spectrum is usually busy which leads to limit the transmitted data rate. This limitation leads to add significant difficulties to find the wireless capability that support transfer of data for media applications and, Multi-User Interference (MUI) in the communications system. This research introduces a developed method that combines both VLC with MIMO technology. The OptiSystem 7.0 and 21.0 simulators are used to measure Q-factor, BER and Eye height are investigated at the receiver end. Three schemes of MIMO technologies are used. These are SISO, 4 × 4 MIMO, and 8 × 8 MIMO. The FSO (Free Space Optical) communication channel is used as a transmission medium for both SISO and MIMO. The resulting eye diagram from this study shows that the maximum quality factor of MIMO is relatively large when compared to SISO. In order to clarify the indoor scenario considered in this study, the VLC system is assumed to operate in a typical indoor environment with approximate dimensions of 5&#xa0;m × 5&#xa0;m × 3&#xa0;m. The LED transmitters are mounted on the ceiling in a symmetrical arrangement in order to provide uniform illumination across the room area. The optical receiver is positioned at a typical user height of approximately 0.85&#xa0;m above the floor level, and a photodiode with a field of view (FOV) of 60° is assumed. In this study, the communication performance is evaluated at different receiver positions within the coverage area in order to investigate the uniformity of the communication performance across the indoor environment. The system performance is assessed using key optical communication quality metrics, including the bit error rate (BER), Q-factor, and eye height, which are obtained from the BER analyzer in the OptiSystem simulation platform.</p>

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Wireless communication system using visible light communication in MIMO technology

  • 期刊论文

  • 发表日期：

    2026年5月15日

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  • Riyam S. Ali,
  • Shaimaa Hameed Abd,
  • Bassam H. Abd

摘要

Visible light communication (VLC) is widely used in wireless communication systems for the process of information transmission in the form of light signals. One of the most common problem for using the VLC for indoor system is achieving uniform communication performance at different locations without affecting the primary illumination function. Moreover, the radio spectrum is usually busy which leads to limit the transmitted data rate. This limitation leads to add significant difficulties to find the wireless capability that support transfer of data for media applications and, Multi-User Interference (MUI) in the communications system. This research introduces a developed method that combines both VLC with MIMO technology. The OptiSystem 7.0 and 21.0 simulators are used to measure Q-factor, BER and Eye height are investigated at the receiver end. Three schemes of MIMO technologies are used. These are SISO, 4 × 4 MIMO, and 8 × 8 MIMO. The FSO (Free Space Optical) communication channel is used as a transmission medium for both SISO and MIMO. The resulting eye diagram from this study shows that the maximum quality factor of MIMO is relatively large when compared to SISO. In order to clarify the indoor scenario considered in this study, the VLC system is assumed to operate in a typical indoor environment with approximate dimensions of 5 m × 5 m × 3 m. The LED transmitters are mounted on the ceiling in a symmetrical arrangement in order to provide uniform illumination across the room area. The optical receiver is positioned at a typical user height of approximately 0.85 m above the floor level, and a photodiode with a field of view (FOV) of 60° is assumed. In this study, the communication performance is evaluated at different receiver positions within the coverage area in order to investigate the uniformity of the communication performance across the indoor environment. The system performance is assessed using key optical communication quality metrics, including the bit error rate (BER), Q-factor, and eye height, which are obtained from the BER analyzer in the OptiSystem simulation platform.