Bit Error Rate Analysis of Visible Light Communication System Based on HDMA

被引：0

作者：

Yu, Lisu ^{[1
]}

Mang, Mingli ^{[1
]}

Liu, Chaoliang ^{[1
]}

Mang, Luoxuan ^{[1
]}

Yuan, Jianwei ^{[1
]}

Wang, Yuhao ^{[1
]}

Wang, Zhenghai ^{[1
]}

机构：

[1] Nanchang Univ, Sch Informat Engn, Nanchang 330031, Jiangxi, Peoples R China

来源：

2024 9TH INTERNATIONAL CONFERENCE ON COMPUTER AND COMMUNICATION SYSTEMS, ICCCS 2024 | 2024年

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Hybrid domain multiple access (HDMA); sparse code multiple access (SCMA); power domain multiple access (PDNOMA); visible light communication (VLC); bit error rate (BER); SCMA;

D O I：

10.1109/ICCCS61882.2024.10602953

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents a novel downlink visible light communication (VLC) system leveraging hybrid domain multiple access (HDMA) technology. The system integrates power domain multiple access (PD-NOMA) in the power domain, sparse code multiple access (SCMA) in the code domain, and asymmetrically clipped optical orthogonal frequency division multiplexing (ACO-OFDM) in the frequency domain, aiming to enhance VLC performance and efficiency. We thoroughly examine the implementation principles, establish a VLC channel model, and analyze channel gain and signal-to-noise ratio (SNR) characteristics. Users are divided into two groups with distinct power levels, and SCMA is used for mapping and encoding, improving spectrum resource utilization. ACO-OFDM is employed for modulation, and the message passing algorithm (MPA) and successive interference cancellation (SIC) are joint used for detection. Theoretical expressions for average bit error rate (BER) are derived, and minimum power allocation ratios are determined to prevent signal overlap. Simulation results validate the theoretical analysis.

引用

页码：881 / 886

页数：6

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