Tunnel visible light communication system utilizing frequency domain pre-equalization technique

被引：0
|
作者：
WANG Dong [1 ,2 ]
LI Chao [1 ,2 ]
CHE Yue [3 ]
机构：
[1] School of Information Science and Engineering, University of Jinan
[2] Shandong Provincial Key Laboratory of Network-based Intelligent Computing
[3] China Mobile Group Shandong Co., Ltd.
来源：
Optoelectronics Letters | 2022年 / 18卷 / 08期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TN929.1 [光波通信、激光通信];
学科分类号：
0803 ;
摘要：
Simultaneously improving the communication speed and equalizing the nonlinear frequency response are still challenging for tunnel visible light communication(TVLC) system. Here, we propose and numerically investigate a frequency domain pre-equalization scheme for discrete multitone(DMT) modulation TVLC system. The amplitude of each subscriber is appropriately pre-equalized by optimized nonlinear compensation parameters. Simulation results demonstrate that our proposed equalization technique can resist the channel attenuation of the signal high-frequency part and further flatten the nonlinear channel response. Without forward error correction technique, the bit error ratio(BER) performance can reach 7.66×10-6in a 2.05 Gbit/s DMT-TVLC system.
引用
收藏
页码：484 / 488
页数：5
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