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Title: Method and system for encoding and decoding data
Other Title: 对数据进行编码及解码的方法和系统
Authors: Tam, WMR
Lau, CM 
Tse, CKM 
Issue Date: 25-Sep-2013
Source: 中国专利 ZL 201010165252.1
Abstract: A method for encoding data, the method comprising: creating m parity bits from k data bits based on a parity-check matrix (40), the parity-check matrix (40) including a data portion (41) and a parity portion (42), the parity portion (42) includes sub-block matrices, each sub-block matrix being any one from the group consisting of: zero matrix, identity matrix and permutation matrix; and forming a codeword containing the k data bits and the created m parity bits; wherein an upper diagonal is defined in the parity portion (42) starting from the first sub-block matrix in the second column extending to the second last sub-block matrix in the last column, and each sub-block matrix on the upper diagonal is an identity matrix or a permutation matrix, and the sub-block matrices (44) above the upper diagonal are zero matrices; each column from the second column to the third last column of the parity portion (42) contains one or more identity matrices or permutation matrices below the upper diagonal (45).
Publisher: 中华人民共和国国家知识产权局
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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