研究目的
Investigating the effect of light emitting diodes (LEDs) positioning and allocation in the channel analysis performance for an indoor intra-vehicle visible light communication (VLC) system.
研究成果
The simulation study demonstrates that the positioning and number of LEDs significantly affect the received power and SNR in an intra-vehicle VLC system. Optimal LED placement can enhance system performance, indicating the importance of considering LED layout in VLC system design.
研究不足
The study is limited to simulations and does not include physical experiments. The focus is on a specific vehicle model (SUV) and may not be directly applicable to other vehicle types without further research.
1：Experimental Design and Method Selection:
The study uses MATLAB simulations to analyze the effect of different LED positions on received power and SNR within a sports utility vehicle. Two scenarios are investigated: one with two sources of power and another with three sources of power at various locations.
2：Sample Selection and Data Sources:
The simulations are based on a SUV with internal dimensions of 3.5×1.6×1.5 m
3：5×6×5 mList of Experimental Equipment and Materials:
3.
3. List of Experimental Equipment and Materials: LED arrays with specific parameters (e.g., semi angle at half power, transmitted power per LED, number of LEDs per array) are used.
4：Experimental Procedures and Operational Workflow:
The study involves deploying LED arrays at different positions within the vehicle and measuring the received power and SNR.
5：Data Analysis Methods:
The received optical power distribution and SNR are analyzed based on mathematical models and equations provided in the paper.
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