Gradient Descent Bit Flipping Algorithms for Decoding LDPC Codes

被引：91

作者：

Wadayama, Tadashi ^{[1
]}

Nakamura, Keisuke ^{[1
]}

Yagita, Masayuki ^{[1
]}

Funahashi, Yuuki ^{[2
]}

Usami, Shogo ^{[2
]}

Takumi, Ichi ^{[1
]}

机构：

[1] Nagoya Inst Technol, Nagoya, Aichi 4668555, Japan

[2] Meijo Univ, Nagoya, Aichi, Japan

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2010年 / 58卷 / 06期

关键词：

LDPC code; bit-flipping algorithm; gradient descent algorithm; PARITY-CHECK CODES;

D O I：

10.1109/TCOMM.2010.06.090046

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：

A novel class of bit-flipping (BF) algorithm for decoding low-density parity-check (LDPC) codes is presented. The proposed algorithms, which are referred to as gradient descent bit flipping (GDBF) algorithms, can be regarded as simplified gradient descent algorithms. The proposed algorithms exhibit better decoding performance than known BF algorithms, such as the weighted BF algorithm or the modified weighted BF algorithm for several LDPC codes.

引用

页码：1610 / 1614

页数：5

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