Design of Polar Codes for Run-Length Limited Codes in Visible Light Communications

被引：11
|
作者：
Wang, He [1 ]
Kim, Sunghwan [1 ]
机构：
[1] Univ Ulsan, Sch Elect Engn, Ulsan 44610, South Korea
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2019年 / 31卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Polar codes; run-length limited (RLL) codes; visible light communications (VLC); DECODING ALGORITHM;
D O I：
10.1109/LPT.2018.2881223
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 proposed a design of polar codes for run-length limited (RLL) codes by using frozen bit indexes in visible light communications. Thanks to generator matrix structure and channel selection procedures of polar codes, predetermined frozen indexes are defined to produce a different number of segments. The indexes are used to make different a priori probabilities in RLL decoding to improve the bit error rate (BER) performance. Simulation results show that the proposed algorithm provides better BERs than the referenced schemes.
引用
收藏
页码：27 / 30
页数：4
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