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Self-Adaptive Scaled Min-Sum Algorithm for LDPC Decoders Based on Delta-Min
Keol CHO Ki-Seok CHUNG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Coding Theory
low-density parity check (LDPC) code, LDPC decoder, min-sum algorithm, adaptive min-sum algorithm,
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A self-adaptive scaled min-sum algorithm for LDPC decoding based on the difference between the first two minima of the check node messages (Δmin) is proposed. Δmin is utilized for adjusting the scaling factor of the check node messages, and simulation results show that the proposed algorithm improves the error correcting performance compared to existing algorithms.