NOAH: A Hybrid and Adaptive Network Coding Protocol for Visible Light Communication

• Douglas D. M. Silva UFV
• Vitor A. S. Carvalho UFV
• Kristtopher K. Coelho UFMG
• Matheus Nogueira Moreira UFV
• Marcos A. M. Vieira UFMG
• Alex B. Vieira UFJF
• Luiz F. M. Vieira UFMG
• José Augusto Nacif UFV

DOI: https://doi.org/10.5753/sbrc.2026.19277

Abstract

With the advancement of technology and the increasing demands of computer networks, Visible Light Communication (VLC) has gained prominence due to its transmission capabilities. However, since the visible light spectrum can suffer from external interference, this technology presents high packet loss, harming its transmission. This article presents NOAH (Network cOding Adaptive Hybrid protocol), a network coding protocol designed to improve network resilience in VLC systems, achieving gains of approximately 23% in the reduction of the packet loss rate compared to the ARQ mechanism. The ARQ, in turn, presented gains of up to 27% when compared to the Best-Effort scheme. In addition, a more realistic simulation model for the ns-3 VLC module is presented.

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