Computer Science – Information Theory
Scientific paper
2007-11-02
Computer Science
Information Theory
6 pages, 8 figures
Scientific paper
A novel class of bit-flipping (BF) algorithms for decoding low-density parity-check (LDPC) codes is presented. The proposed algorithms, which are called gradient descent bit flipping (GDBF) algorithms, can be regarded as simplified gradient descent algorithms. Based on gradient descent formulation, the proposed algorithms are naturally derived from a simple non-linear objective function.
Funahashi Yuuki
Nakamura Keisuke
Takumi Ichi
Usami Shogo
Wadayama Tadashi
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