Download Advanced Hardware Design for Error Correcting Codes by Cyrille Chavet, Philippe Coussy PDF

By Cyrille Chavet, Philippe Coussy

This ebook presents thorough insurance of mistakes correcting recommendations. It comprises crucial simple innovations and the most recent advances on key themes in layout, implementation, and optimization of hardware/software platforms for mistakes correction. The book’s chapters are written by way of the world over well-known specialists during this box. themes contain evolution of blunders correction recommendations, business person wishes, architectures, and layout techniques for the main complex blunders correcting codes (Polar Codes, Non-Binary LDPC, Product Codes, etc). This booklet presents entry to fresh effects, and is acceptable for graduate scholars and researchers of arithmetic, laptop technological know-how, and engineering.

• Examines how one can optimize the structure of layout for errors correcting codes;

• provides mistakes correction codes from conception to optimized structure for the present and the subsequent new release standards;

• presents insurance of business person wishes complex mistakes correcting techniques.

Advanced layout for blunders Correcting Codes incorporates a foreword through Claude Berrou.

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Extra resources for Advanced Hardware Design for Error Correcting Codes

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A five times higher area efficiency of the unrolled decoder underlines this finding. 28 N. Wehn et al. For the comparison, in addition to the two presented decoders, a partially parallel decoder from literature is listed. The number of iterations, quantization, and algorithm is reasonably similar to allow for a fair comparison. It can be observed that no state-of-the-art decoder architecture is capable to produce a competitive area efficiency to the unrolled architecture. The presented architecture has a throughput which is more than fifteen times higher than the one of state-of-the-art decoders.

TPC tend to be good candidates for emerging optical systems. The inherent parallel structure of the product code matrix confers to TPC a good ability for parallel decoding. Nevertheless, enhancing parallelism rate rapidly induces the use of a prohibitive amount of memory. Many architectural solutions were proposed to efficiently exploit parallelism in TPC decoding. Moreover, TPC decoding provides several level of parallelism and it is not always clear which level is the most efficient. In this chapter, several parallelism level of TPC decoding are identified.

However, it was observed in [4] that the N/2 PEs were only used simultaneously once in the decoding, leading to low utilization of the hardware resources. That work shows that, a decoder implementing P = 64, instead of N/2, processing elements result in <10 % throughput reduction for codes of length N ≤ 220 . 2 illustrates these results for codes of lengths 210 , 212 , and 220 . The semi-parallel SC (SP-SC) decoder of [4] consists of three major parts: the processing elements, the partial-sum update logic, and the memory, which will be briefly described in this section.

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