VCSEL and LED Based Visible Light Communication System by Applying Decode-and-Forward Relay Transmission

被引：11
|
作者：
Yeh, Chien-Hung [1 ]
Yang, Yun-Cheng [1 ]
Chow, Chi-Wai [2 ]
Chen, Yu-Wen [1 ]
Hsu, Tzu-An [1 ]
机构：
[1] Feng Chia Univ, Dept Photon, Taichung 40724, Taiwan
[2] Natl Chiao Tung Univ, Dept Photon, Coll Elect & Comp Engn, Hsinchu 30010, Taiwan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2020年 / 38卷 / 20期
关键词：
Light emitting diodes; Vertical cavity surface emitting lasers; Wireless communication; Relays; Visible light communication; Modulation; Forward error correction; Decode-and-forward (DF); LED; on-off keying (OOK); VCSEL; visible light communication (VLC); EQUALIZATION; VLC;
D O I：
10.1109/JLT.2020.3003352
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：
In this investigation, we propose and demonstrate an integrated vertical-cavity surface-emitting laser (VCSEL) and blue light emitting diode (LED) based visible light communication (VLC) system by using the decode-and-forward (DF) relay scheme indoors. The 682 nm visible VCSEL can reach 3 Gbit/s on-off keying (OOK) modulation rate for 4 m free space transmission by applying 1.25 GHz bandwidth PIN photodiode (PD). Then, the VLCVCSEL signal connects to multiple blue LEDs for broadcasting VLCLED traffic in parallel. Therefore, the maximum VLCLED rates of 775, 700, and 600 Mbit/s are obtained at the free space transmission lengths of 2, 3, and 4 m, respectively within the forward error correction (FEC) target under 4 m VLC transmission at the low detected power of 15 mu W. In addition, the number of LEDs used in the DF relay VLC system depends on the practical requirement of VLCLED rate and traffic length indoors.
引用
收藏
页码：5728 / 5732
页数：5
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