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Realistic performance analysis for visible light communication with random receivers.

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    This study analyzes indoor visible light communication (VLC) systems with randomly located or oriented receivers. It derives key performance metrics like channel capacity and outage probability for realistic VLC scenarios.

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    Area of Science:

    • Optical Wireless Communications
    • Indoor Visible Light Communication (VLC) Systems
    • Wireless Communication Performance Analysis

    Background:

    • Traditional Visible Light Communication (VLC) models often assume fixed receivers.
    • Real-world VLC deployments feature receivers with random locations and orientations.
    • Accounting for receiver randomness is crucial for accurate VLC system performance evaluation.

    Purpose of the Study:

    • To analyze the performance of a VLC system with a fixed transmitter and a randomly positioned or oriented receiver.
    • To derive statistical channel characteristics, average channel capacity, and outage probability for random receiver scenarios.
    • To investigate the impact of various system parameters on VLC performance under random receiver conditions.

    Main Methods:

    • Developed a system model for VLC with a fixed transmitter and random receiver (location or orientation).
    • Derived statistical channel characteristics based on the established model.
    • Obtained closed-form expressions for average channel capacity and outage probability.
    • Conducted numerical simulations to validate theoretical results.

    Main Results:

    • Derived accurate closed-form expressions for average channel capacity and outage probability in VLC systems with random receivers.
    • Validated the theoretical expressions through numerical results.
    • Quantified the influence of parameters like optical intensity, dimming target, transmitter height, receiver zone radius, outage threshold, and Lambertian emission order on system performance.

    Conclusions:

    • The derived theoretical expressions accurately predict VLC system performance with random receivers.
    • Understanding the impact of random receiver factors is essential for designing robust and efficient VLC systems.
    • The study provides valuable insights for optimizing VLC system design by considering realistic receiver placement and orientation.