THO-OFDM scheme for visible light communication with noise suppression and dimming control

被引：2
|
作者：
Li, Yibin [1 ,2 ]
Wei, Zixian [1 ,2 ]
Wang, Zhaoming [1 ,2 ]
Ali, Amjad [3 ]
Li, Qian [3 ]
Fu, H. Y. [1 ,2 ]
机构：
[1] Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen 518055, Peoples R China
[2] Tsinghua Univ, Tsinghua Shenzhen Int Grad Sch, Shenzhen 518055, Peoples R China
[3] Peking Univ, Sch Elect & Comp Engn, Shenzhen 518055, Peoples R China
来源：
OPTICS LETTERS | 2022年 / 47卷 / 19期
关键词：
13;
D O I：
10.1364/OL.472960
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In recent years, visible light communication (VLC) has emerged as a dual-use technique for illumination as well as communication. In VLC system, dimming control is deemed to be an essential functionality for luminous intensity adjusting and energy saving. In this Letter, a noise-suppressed triple-layer hybrid optical orthogonal frequency division multiplexing (NSTHO-OFDM) is proposed and further combined with pulse width modulation (PWM) to achieve the functionality of dimming control. The proposed NSTHO-OFDMcan attain a 4.28-dB maximum power gain compared with THO-OFDM with an overall bit error rate (BER) of 1x10(-4). Moreover, the proposed dimming scheme can achieve a wide dimming range of 89.0% while maintaining a favorable BER below 3.8x10(-3). (c) 2022 Optica Publishing Group
引用
收藏
页码：5180 / 5183
页数：4
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