Performance evaluation of a simplified power-domain NOMA for visible light communications

被引：2
|
作者：
Silva, Jair A. Lima [1 ,2 ]
Pizzaia, Joao P. Lebarck [1 ]
Costa, Wesley Da Silva [1 ]
Camporez, Higor A. Fim [1 ]
Pontes, Maria J. [1 ]
Rocha, Helder R. De Oliveira [1 ]
Segatto, Marcelo E. Vieira [1 ]
机构：
[1] Fed Univ Espirito St, Telecomunicat Lab LabTel, Ave Fernando Ferrari,514, BR-29075910 Vitoria, ES, Brazil
[2] Hanze Univ Appl Sci, Inst Engn, Sensors & Smart Syst Grp, NL-9747 AS Groningen, Netherlands
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2023年 / 40卷 / 04期
关键词：
NONORTHOGONAL MULTIPLE-ACCESS;
D O I：
10.1364/JOSAA.486136
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The performance of a visible light communication (VLC) system based on power-domain nonorthogonal multi-ple access (PD-NOMA) is experimentally evaluated in this paper. The simplicity of the adopted nonorthogonal scheme is provided by the fixed power allocation method at the transmitter and the single one-tap equalization exe-cuted before the successive interference cancellation at the receiver. The experimental results proved the successful transmission of the PD-NOMA scheme with three users in VLC links of up to 2.5 m, after a proper choice of the optical modulation index. All users achieved error vector magnitude (EVM) performances below forward error correction limits in all evaluated transmission distances. At 2.5 m, the user with the best performance reaches an EVM = 2.3%.(c) 2023 Optica Publishing Group
引用
收藏
页码：C46 / C52
页数：7
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