Flexible NOMA-based NOHO-OFDM scheme for visible light communication with iterative interference cancellation

被引：11
作者：
Huang, Xuan [1 ]
Yang, Fang [1 ,2 ]
Pan, Changyong [1 ,2 ]
Song, Jian [1 ,2 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing Natl Res Ctr Informat Sci & Technol BNRis, Beijing 100084, Peoples R China
[2] Tsinghua Univ Shenzhen, Res Inst, Key Lab Digital TV Syst Guangdong Prov & Shenzhen, Shenzhen 518057, Peoples R China
来源：
OPTICS EXPRESS | 2021年 / 29卷 / 04期
基金：
中国国家自然科学基金;
关键词：
NONORTHOGONAL MULTIPLE-ACCESS; ENHANCED ADO-OFDM; DCO-OFDM; ACO-OFDM; 5G SYSTEMS; OPTIMIZATION; PERFORMANCE; MODULATION; STATE;
D O I：
10.1364/OE.420848
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, a flexible non-orthogonal multiple access (NOMA) based optical orthogonal frequency division multiplexing (OFDM) modulation scheme, called non-orthogonal hybrid optical OFDM (NOHO-OFDM), is proposed to increase the achievable data rate of the visible light communication system with high efficiency. In addition, a receiver with iteratively successive interference cancellation (ISIC) is investigated, which can reduce the estimation error. Then, the achievable data rate of the proposed NOHO-OFDM with the ISIC scheme is analyzed. Experiment results show that the bit error rate of the NOHO-OFDM can be significantly reduced by the proposed ISIC scheme, and the NOHO-OFDM is superior than the orthogonal scheme in terms of data rates. Meanwhile, simulation results show that the achievable data rate region of the proposed NOHO-OFDM scheme is larger than that of the orthogonal counterpart. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：5645 / 5657
页数：13
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