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ASK-based spatial multiplexing RGB scheme using symbol-dependent self-interference for detection.

Stefano Pergoloni, Andrea Petroni, Thai-Chien Bui

|August 10, 2017

Summary

This summary is machine-generated.

This study introduces a visible light communication system using red, green, and blue LEDs and photodiodes. The novel approach enhances detection by utilizing color interference and proposes self-interference mitigation for improved performance.

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Area of Science:

Optical Communications
Wireless Technology
LED Applications

Background:

Visible light communication (VLC) offers a promising alternative for wireless data transmission.
Existing VLC systems face challenges with interference and signal equalization.

Purpose of the Study:

To propose and evaluate a novel VLC scheme using RGB LEDs and color-tuned photodiodes.
To analyze the impact of Amplitude Shift Keying (ASK) modulation on light emission characteristics.
To investigate methods for improving signal detection and mitigating self-interference.

Main Methods:

Implementation of a VLC system with RGB LEDs and three color-tuned photodiodes.
Utilizing symbol-dependent interference between colors to enhance detection.
Analysis of photodiode response speed and signal equalization techniques.
Development of self-interference mitigation strategies.
Performance evaluation through computer simulations and an Arduino board implementation.

Main Results:

Demonstrated that symbol-dependent interference can improve signal detection.
Investigated the effects of ASK modulation on flickering, dimming, and color rendering.
Showcased the feasibility of equalizing received signals to match LED speeds.
Proposed effective self-interference mitigation techniques.
Validated system performance via simulations and hardware tests.

Conclusions:

The proposed VLC scheme effectively utilizes color interference for enhanced detection.
The system demonstrates robust performance with proposed equalization and self-interference mitigation.
The study provides a foundation for practical VLC systems with improved reliability and data rates.