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In this paper, we propose dividing the decoding operations of a variety of irregular quasi-cyclic (QC) low-density parity-check (LDPC) codes into several smaller tasks. An algorithm is devised in order to arrange these tasks in a similar form such that a highly reusable multimode architecture can be designed to process these tasks. For this task-based decoder, the associated memory access can be accomplished...
The convergence speed of layered message-passing decoding (LMPD) is faster than that of standard two phase message passing (TPMP) decoding. We propose to use dynamic scheduling and early termination to reduce computational complexity for a modified LMPD algorithm which was proposed for quasi-cyclic low-density parity-check (QC-LDPC) codes. We dynamically skip or redo the decoding operations for some...
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