Min-sum decoding of irregular LDPC codes with adaptive scaling based on mutual information

Florence Alberge (1)

1 L2S - Laboratoire des signaux et systèmes

An adaptive scaling strategy is proposed for counterbalancing LLR overestimation in Min-Sum decoding. The scaling factor is a function of a single variable that can be efficiently computed online.

Domains: Engineering Sciences [physics]; Signal and Image processing; Computer Science [cs]; Information Theory [cs.IT]; Computer Science [cs]; Networking and Internet Architecture [cs.NI]

Florence Alberge. Min-sum decoding of irregular LDPC codes with adaptive scaling based on mutual information. International Symposium on Turbo Codes and Iterative Information Processing (ISTC 2016), Sep 2016, Brest, France. ⟨hal-01849652⟩