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it is known that the more reliable LDPC code is the longer code, and it is also known that LDPC decoders with flooded architecture which allow parallel processing can achieve high throughputs. But, just architectures become very complex and require more hardware resources when the code length is large and random, so achieving a high error correction rate on short code lengths is considered a challenge...
As the flash memory continues its capacity scaling and correspondingly decreases its reliability, a technology upgrade regarding the error-correction engine in state-of-art solid-state drives (SSDs) is intensely expected. Due to their limit-approaching decoding ability, low-density parity-check (LDPC) codes are seen as one of the most promising substitute for the traditional BCH codes, though implementation...
Check node update processing for non-binary LDPC (NB-LDPC) architectures requires a large number of clock cycles, which limits the achievable throughput to tens of Mbps for high rate codes. In this work, we propose a new NB-LDPC architecture based on the Trellis-EMS (T-EMS) algorithm that reduces the number of clock cycles by a factor of dc, by adding an extra column to the trellis. This feature makes...
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