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Method, apparatus, computer program product and device providing semi-parallel low density parity check decoding using a block structured parity check matrix
Method, apparatus, computer program product and device providing semi-parallel low density parity check decoding using a block structured parity check matrix
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机译:使用块结构奇偶校验矩阵提供半并行低密度奇偶校验解码的方法,装置,计算机程序产品和设备
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摘要
The invention relates to low density parity check decoding. A method for decoding an encoded data block is described. Encoded data block comprising data sub-blocks are stored. Decoding is performed in a pipelined manner using an irregular, block-structured parity check matrix, where at least two data sub-block matrices of the parity check matrix are read from and written in each of a plurality of clock cycles. The reading and writing of the data sub-blocks is evenly distributed between at least two area of a memory. The decoding is performed with shift values which eliminate cycles at or below a predetermined threshold length. An apparatus, computer program product and device are also described.
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