Low density parity check (LDPC) code check matrix construction method and corresponding matrix multiply operation device
A technology of LDPC code and check matrix, which is applied in the application of error detection coding of multiple parity bits, error correction/detection using block codes, data representation error detection/correction, etc., which can solve complex coding and complex coding High-degree problems, achieve simple coding structure, increase possibility, and reduce implementation complexity
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[0037] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0038] The code word constructed by the present invention is a kind of low complexity, and it is a kind of code word based on the permutation matrix, and its parity check matrix H is made up of m×n L×L sub-matrices, and each sub-matrix is a unit matrix The permutation matrix that is cyclically shifted to the right by several positions, and the permutation matrix is recorded as 0≤a i,j ∞ is a zero matrix, so a mL×nL parit...
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