Spatial Constellation Design for MIMO Visible Light Communication Based on the Optimal Geometric Shaping

被引：0

作者：

Guo, Jia-Ning ^{[1
]}

Zhang, Jian ^{[1
]}

机构：

[1] Natl Digital Switching Syst Engn & Technol Res Ctr, Zhengzhou 450000, Peoples R China

来源：

IEEE PHOTONICS JOURNAL | 2024年 / 16卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Visible light communication (VLC); multi-input multi-output (MIMO); constellation design; constellation shaping; MODULATION; CAPACITY; SYSTEM;

D O I：

10.1109/JPHOT.2024.3411613

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

As a wireless communication which combines illumination and communication, visible light communication (VLC) has attracted great attention. In indoor VLC systems, multiple illumination devices are commonly employed, forming a natural multi-input multi-output (MIMO) communication system. In this paper, a spatial constellation design based on the optimal geometric shaping is proposed for the MIMO-VLC system with the peak-power and total average-power constraints. Firstly, we derive the optimal geometric shaping region for the MIMO-VLC system under the aforementioned power constraints. Subsequently, we intersect the scaled integer lattice with the optimal geometric shaping region and combine it with minimum-energy mapping to obtain a spatial constellation. Simulation results for indoor MIMO-VLC systems verify the superiority of our approach compared to conventional methods.

引用

页码：1 / 10

页数：10

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