Efficient encoding of QC‐LDPC codes with multiple‐diagonal parity‐check structure

Abstract

An efficient encoding method is proposed for a class of quasi‐cyclic low‐density parity‐check (QC‐LDPC) codes with a multiple‐diagonal parity‐check structure. Its easy implementation with Chinese digital terrestrial/television multimedia broadcasting standard as an example is discussed. It is shown that the proposed encoder runs significantly faster and requires much fewer resources than the conventional shift‐register–adder–accumulator encoder.