Patent No. EP3567731 (titled "Information Processing Method, Apparatus And Communication Device") was filed by Huawei on Apr 12, 2018. The application was issued on Jan 12, 2022.
A method for encoding LDPC codes with variable-length codewords, enabling flexible error correction across different code rates. The encoding process employs a novel expansion technique that maintains the original structure while introducing variable-length submatrices, enabling the creation of LDPC codes with varying code rates. This expansion allows the decoder to adapt to changing code rates during transmission, while maintaining the LDPC code's inherent performance characteristics.
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