基于8-ASK调制的可见光通信系统研究
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摘要
从提高可见光通信(VLC)的通信速率和系统的实用性出发,研究了基于八进制幅移键控(8-ASK)调制解调的VLC系统。通过Optisystem和Matlab联合仿真,确定在保证低误码率情况下八进制为多进制调制中的最优进制数。设计了VLC系统发射端、接收端和判决再生电路,进行了8-ASK调制的可见光通信实验研究。实验证明了在保证低误码率的情况下通过该方法提高通信速率的可行性。
In order to improve the VLC system communication rate and the practicality of the system, a VLC system based on 8-ASK modulation-demodulation scheme is studied in this paper. In the premise of low bit-error-rate, 8-ASK is determined to be the optimum scale in the multi-scale modulation through the simulation based on Optisystem and Matlab. The transmitter, receiver and decision regeneration circuit are designed and VLC communication experiments based on the 8-ASK modulation are conducted. Results of the experiments show the feasibility of improving the communication rate through this method in the case of low bit-error-rate.
In order to improve the VLC system communication rate and the practicality of the system, a VLC system based on 8-ASK modulation-demodulation scheme is studied in this paper. In the premise of low bit-error-rate, 8-ASK is determined to be the optimum scale in the multi-scale modulation through the simulation based on Optisystem and Matlab. The transmitter, receiver and decision regeneration circuit are designed and VLC communication experiments based on the 8-ASK modulation are conducted. Results of the experiments show the feasibility of improving the communication rate through this method in the case of low bit-error-rate.
引文
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[4]王虹,蔡喜平.基于白光LED的可见光通信研究进展[J].半导体光电,2014,35(1):5-9.
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[6]AYYASH M,ELGALA H,KHREISHAH A,et al.Coexistence of Wi Fi and Li Fi toward 5G:concepts,opportunities,and challenges[J].IEEE Communications Magazine,2016,54(2):64-71.
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[8]刘洋,章国安.可见光通信调制方式及其性能研究[J].激光与光电子学进展,2014,51(9):61-67.
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[10]汪广业,邹念育,王金鹏,等.基于波分复用技术的LED可见光通信的研究[J].光通信研究,2016(2):67-70.
[11]李荣玲,商慧亮,雷雨,等.高速可见光通信中关键使能技术研究[J].激光与光电子学进展,2013,50(5):40-50.
[12]冯海燕,王旭东,吴楠,等.一种新的可见光通信光OFDM方法[J].光通信研究,2016(3):58-61.
[13]高家利.基于预失真四进制辐移键控调制的可见光通信系统[J].光电子·激光,2014,25(8):1502-1505.
[14]汤玲利,陈名松,汪永辉.基于RGB LED调制技术仿真研究[J].光通信技术,2014,38(2):60-63.
[15]许笑,陈名松,汤玲利.基于RGB LED可见光通信的实验研究[J].激光与光电子学进展,2015,52(10):71-77.
[16]张建昆,杨宇,陈弘达.室内可见光通信调制方法分析[J].中国激光,2011,38(4):131-134.
[17]李茹,张涛,朱秋煜,等.基于FPGA的OOK可见光通信系统设计与实现[J].工业控制计算机,2016,29(12):106-107.
[18]王莘迪.基于白光LED的室内无线通信的研究[D].兰州:兰州交通大学,2014.
[19]王世举.基于白光LED的室内可见光通信系统研究[D].郑州:郑州大学,2016.
[20]罗亚赛,梁进波,郎磊.可见光通信中多载波调制技术比较分析[J].无线电工程,2015,45(1):72-75.