Novel FEC Coding Scheme for Dimmable Visible Light Communication Based on the Modified Reed-Muller Codes

被引:47
|
作者
Kim, Sunghwan [1 ]
Jung, Sung-Yoon [2 ]
机构
[1] Univ Ulsan, Sch Elect Engn, Ulsan 680749, South Korea
[2] Yeungnam Univ, Dept Elect Engn, Gyongsan 712749, Gyeongsangbuk D, South Korea
基金
新加坡国家研究基金会;
关键词
Dimming; light emitting diode (LED); Reed-Muller (RM) codes; visible light communication (VLC); SYSTEM;
D O I
10.1109/LPT.2011.2163625
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 letter, we propose a novel forward error correction (FEC) coding method using a modified Reed-Muller (RM) code for providing accurate dimming control in on-off keying (OOK) based visible light communication (VLC) systems. The proposed FEC scheme has a property that produces exactly same occurrence probability of 1's and 0's. Therefore, it can contain minimal compensation symbols in supporting multiple dimming target values. Moreover, VLC with our proposed scheme provides more coding gain than VLC scheme with the conventional FEC codes [the first-order RM and Reed-Solomon (RS) codes]. Simulation results for various dimming target values show that the proposed scheme leads to at least 2 dB or more signal-to-noise ratio (SNR) gain in 1% bit error rate (BER) than two FEC codes.
引用
收藏
页码:1514 / 1516
页数:3
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