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A Wide-Area Coverage 35 Gb/s Visible Light Communications Link for Indoor Wireless Applications
Hyunchae Chun1, Ariel Gomez2, Crisanto Quintana3
1Deptment of Information and Telecommunication Engineering, Incheon National University, Incheon, 22012, Korea.
Scientific Reports
|March 22, 2019
Summary
This study demonstrates a record-breaking Visible Light Communication (VLC) system achieving over 35 Gb/s data rates. This laser diode-based system offers high-speed wireless communication using light, addressing future spectrum demands.
Area of Science:
- Optoelectronics
- Wireless Communications
- Optical Engineering
Background:
- Visible Light Communications (VLC) offers a solution to the increasing demand for wireless bandwidth.
- VLC systems can simultaneously provide illumination and data transmission.
- Radio-frequency spectrum scarcity necessitates alternative communication technologies.
Purpose of the Study:
- To demonstrate a high-speed, wide-area Visible Light Communication (VLC) link.
- To report a novel laser diode-based VLC system utilizing beam-steering.
- To achieve record data rates for VLC technology.
Main Methods:
- Implementation of a four-colour multiplexed, high-speed VLC system.
- Utilizing a microelectromechanical system (MEMS) mirror for beam-steering.
- Employing laser diodes for white-light generation and transmission.
Main Results:
- Achieved record data rates exceeding 35 Gb/s with a Bit Error Rate (BER) below 3.8 × 10-3.
- Demonstrated a wide coverage area of 39 m2 at a link distance of 4 m.
- Confirmed feasibility of data rates over 10 Gb/s while maintaining eye-safety.
Conclusions:
- The developed VLC system represents the fastest demonstration to date.
- VLC technology shows significant potential for high-capacity wireless communication.
- The system design addresses practical considerations such as coverage and eye-safety.
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