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LDPC was first proposed in 1962, after that considerable achievements have been made both in decoding algorithms and also in the structure of the decoder. In terms of decoding algorithm, from belief propagation (BP) to min-sum (MS), then normalized MS (NMS) and finally to a more performance oriented variable MS (VMS) algorithm. In terms of the decoder structure, there are mainly two, flooding and...
This paper presents a high-throughput structured low density parity check (LDPC) code and an optimal parallel decoder architecture with advanced Ping-Pong RAMs for the HINOC 2.0 systems. An additional iteration scheme is proposed to further improve decoding performance by taking full use of time intervals of the discontinuous streams, an important feature in HINOC 2.0 systems. The proposed LDPC code...
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