Sistem visible light communication (VLC) menggunakan teknik asynchronous pulse position modulation (APPM) untuk komunikasi nirkabel

Nanda Aulia Ilmatus Sakdiyah; Belen Septian; Ali Zainal Abidin

doi:10.35313/jitel.v5.i1.2025.11-18

Authors

Nanda Aulia Ilmatus Sakdiyah Universitas Multi Data Palembang
Belen Septian Universitas Bangka Belitung
Ali Zainal Abidin Universitas Bangka Belitung

DOI:

https://doi.org/10.35313/jitel.v5.i1.2025.11-18

Keywords:

VLC, modulasi, APPM

Abstract

Visible Light Communication (VLC), yang berkomunikasi melalui cahaya tampak, merupakan teknologi potensial di era Industri 5.0. Penggunaan VLC berkecepatan tinggi dapat diimplementasikan dengan menggunakan light-emitting diode (LED). Metode modulasi yang sesuai sangat penting dalam meningkatkan kualitas sistem VLC. Asynchronous Pulse Position Modulation (APPM) diusulkan dalam paper ini. Metode ini merupakan pengembangan dari teknik modulasi Pulse Position Modulation (PPM). Pengujian dilakukan dalam 2 kondisi yaitu kondisi gelap (Lux = 0) dan kondisi terang dengan cahaya dari luar ruangan (Luv = 304). Hasil pengujian menunjukkan bahwa didapatkan Vp dan frekuensi output lebih baik dalam kondisi gelap dan semakin jauh jarak transmisi, maka hasil yang didapatkan lebih rendah.

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