A Noise Mitigation Approach for VLC Systems
Antonio Costanzo (FUN), Valeria Loscri (FUN), Mauro Biagi

TL;DR
This paper introduces a noise mitigation technique for VLC systems, utilizing signal processing to analyze and reduce noise, validated through experimental tests showing improved symbol error rates under various interference conditions.
Contribution
The paper presents a novel, simple analytical noise reduction method for VLC systems, validated with a USRP-based testbed demonstrating its effectiveness.
Findings
Significant noise reduction achieved in VLC signals.
Improved symbol error rate under interference conditions.
Effective at different transmitter-receiver distances.
Abstract
Visible Light Communication (VLC) is based on the dual use of the illumination infrastructure for wireless data communication. The major interest on this communication technology lies on its specific features to be a secure, cost-effective wireless technology. Recently, this technology has gained an important role as potential candidate for complementing traditional RF communication systems. Anyway a major issue for the VLC development is a deep comprehension of the noise and its impact on the received signal at the receiver. In this work, we present a simple but effective approach to analyze the noise and drastically reduce it through a signal processing method. In order to validate the effectiveness of this analytical approach, we have developed an USRP-based testbed. Experimental results have been carried out by evaluating the symbol error rate (SER) and show the effectiveness of the…
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