# WDM NOMA VLC Systems

## TL;DR

This paper investigates a WDM NOMA visible light communication system, demonstrating that the combined approach enhances data rates under various user positions and mobility conditions.

## Contribution

It introduces a WDM NOMA VLC system and evaluates its performance with different power allocation strategies and mobility scenarios.

## Key findings

- NOMA-WDM system achieves higher data rates than traditional systems.
- Fair and equal power allocations are both effective under different conditions.
- System performance varies with user positioning and mobility.

## Abstract

Wavelength division multiplexing (WDM) and non-orthogonal multiple access (NOMA) are employed in a visible light communication (VLC) system to increase the capacity of the system. The system is evaluated using two different scenarios focusing on power and data rate, where the first scenario is based on fair power allocation while the second scenario provides equal power allocation. Data rate variation is evaluated as a function of the users positioning and mobility. In both scenarios the proposed NOMA-WDM system achieved higher data rate NOMA system.

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Source: https://tomesphere.com/paper/1904.00811