Irregular Marker Codes for Insertion/Deletion-AWGN Channels

被引：2
|
作者：
Liu, Yuan [1 ,2 ]
He, Yashuo [2 ]
Zhao, Xiaonan [1 ,2 ]
Xie, Meng [2 ]
Hong, Yi [2 ]
Zhang, Cuiping [1 ,2 ]
机构：
[1] Tianjin Normal Univ, Tianjin Key Lab Wireless Mobile Commun & Power Tr, Tianjin 300387, Peoples R China
[2] Tianjin Normal Univ, Coll Elect & Commun Engn, Tianjin 300387, Peoples R China
来源：
IEEE ACCESS | 2020年 / 8卷
基金：
中国国家自然科学基金;
关键词：
Decoding; Parity check codes; Encoding; Channel models; Synchronization; Concatenated codes; Indexes; Concatenated coding scheme; marker codes; insertions; deletions; forward-backward algorithm; RELIABLE COMMUNICATION; CODING SCHEME; SYNCHRONIZATION; INSERTIONS; DELETIONS;
D O I：
10.1109/ACCESS.2020.2980321
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A concatenated coding scheme employing an irregular marker code as the inner code is designed to improve the ability of correcting insertions/deletions. In this scheme, bits associated with each marker symbol are allocated to the symbol of the LDPC code non-uniformly. Since the non-binary marker symbol at the irregular position provides reliable forward/backward quantities, significant amount of insertions and deletions can be detected and corrected by the presented method. Simulation results show that the proposed scheme has an improved performance with only a very small penalty in coding rate compared with the traditional regular marker code.
引用
收藏
页码：50733 / 50739
页数：7
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