A Construction Method of Doped Low-Density Parity-Check Codes Based on Quadratic Residue Codes

被引：1
|
作者：
Li, Yong [1 ]
Huang, Xiang [2 ]
Zhou, Chuan [2 ]
Luo, Zhen [2 ]
Wu, Huihui [3 ]
机构：
[1] Chongqing Univ, Coll Comp Sci, Chongqing 400044, Peoples R China
[2] Chongqing Univ Posts & Telecommun, Sch Commun & Informat Engn, Chongqing 400065, Peoples R China
[3] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 0E9, Canada
来源：
2021 15TH INTERNATIONAL SYMPOSIUM ON MEDICAL INFORMATION AND COMMUNICATION TECHNOLOGY (ISMICT) | 2021年
关键词：
LDPC codes; quadratic residue codes; trapping sets; LDPC CODES; PERFORMANCE; ALGORITHM; SETS;
D O I：
10.1109/ISMICT51748.2021.9434940
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 paper, we propose an approach to constructing a class of doped low-density parity-check (LDPC) codes, by utilizing some coded bits of an LDPC code as the information bits of a quadratic residues (QR) code and then integrating the corresponding two Tanner graphs as a whole. Herein, the trapping set information of the LDPC code is used for selecting the information bits of the QR code. Simulation results show that the proposed doped LDPC codes achieve more than 1.4 dB and 1.0 dB gains with slight rate losses, respectively, at a frame error rate of 10(-5), when compared to two regular LDPC codes.
引用
收藏
页码：221 / 226
页数：6
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