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- W2390780609 abstract "A novel Block Gauss Elimination(BGE) approach to construction of the generator matrix of quasi-cyclic low density parity check(QC-LDPC) codes is proposed.In order to calculate the inverse matrix of a QC-LDPC matrix,the generator polynomials are adopted to express the cyclic extended matrices in the QC-LDPC matrix.In this way,the dimension of the matrix to be inversed is greatly reduced.Moreover,when dimension of the extended matrix of the parity check matrix of a QC-LDPC code is a prime number,approaches for judging whether the matrix is invertible and further speeding up the search in the process of the BGE are proposed.Analysis and simulation results show that the present approach not only decreases the memory requirement for constructing the generator matrix of a QCLDPC code but also reduces the computation complexity compared with the usual Gauss elimination method is." @default.
- W2390780609 created "2016-06-24" @default.
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- W2390780609 date "2008-01-01" @default.
- W2390780609 modified "2023-09-26" @default.
- W2390780609 title "Block Gauss Elimination Approach to Construction of the Generator Matrices of Quasi-Cycle LDPC Codes" @default.
- W2390780609 hasPublicationYear "2008" @default.
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