New spatial quadrature modulation scheme for indoor visible light communication systems

被引：0

作者：

Zongyan L. ^{[1
]}

Jiahui L. ^{[1
]}

Honglu Y. ^{[1
]}

Shiyin L. ^{[1
]}

机构：

[1] School of Information and Control Engineering, China University of Mining and Technology, Xuzhou

来源：

Journal of China Universities of Posts and Telecommunications | 2021年 / 28卷 / 02期

基金：

中国国家自然科学基金;

关键词：

New spatial quadrature modulation (NSQM); Upper bound; Visible light communication (VLC);

D O I：

10.19682/j.cnki.1005-8885.2021.1008

中图分类号：

学科分类号：

摘要：

In this paper, a new spatial quadrature modulation (NSQM) scheme is proposed to improve the error performance of indoor visible light communication (VLC) systems. NSQM is different from generalized spatial quadrature modulation (SQM) in two aspects. First, the transmitted optical signal is directly detected at the receiver, which does not need to estimate the indices of the transmitted antenna. Second, an optimization approach is used with NSQM to minimize the upper error bound of the transmitted signals. In addition, several NSQM schemes are described in detail. Numerical results show that the proposed NSQM scheme achieves superior error performance compared with the SQM scheme. © 2021, Beijing University of Posts and Telecommunications. All rights reserved.

引用

页码：89 / 96

页数：7

共 11 条

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