Layered Normalized Min-Sum Decoding with Bit Flipping for FDPC CodesNiloufar Hosseinzadeh, Mohsen Moradi, Hessam Mahdavifarhttps://arxiv.org/abs/2510.01019 https://
Layered Normalized Min-Sum Decoding with Bit Flipping for FDPC CodesFair-density parity-check (FDPC) codes have been recently introduced demonstrating improved performance compared to low-density parity-check (LDPC) codes standardized in 5G systems particularly in high-rate regimes. In this paper, we introduce a layered normalized min-sum (LNMS) message-passing decoding algorithm for the FDPC codes. We also introduce a syndrome-guided bit flipping (SGBF) method to enhance the error-correction performance of our proposed decoder. The LNMS decoder leverages confl…