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Advanced Search Results For "LOW density parity check codes"

1 - 10 of 2,070 results for
 "LOW density parity check codes"
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The design of structured LDPC codes with algorithmic graph construction.

Publication Type:Academic Journal

Source(s):Bulletin of the Polish Academy of Sciences: Technical Sciences. Aug2022, Vol. 70 Issue 4, p1-8. 8p.

Abstract:Low-density parity-check (LDPC) codes are among the most effective modern error-correcting codes due to their excellent correction performance and highly parallel decoding scheme. Moreover, the nonbinary extension of such codes further increases perfor...

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Design and Implementation of Shared Memory for Turbo and LDPC Code Interleaver.

Publication Type:Academic Journal

Source(s):Wireless Communications & Mobile Computing. 2/27/2022, p1-9. 9p.

Abstract:In 4G turbo and 5G LDPC, in order to realize a flexible, low-power, low-cost shared general-purpose block interleaving hardware module, it faces the challenges of interleaving structure integration, fewer gate circuits, parallel multistream operation, ...

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Decoding Nonbinary LDPC Codes via Proximal-ADMM Approach.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Information Theory. Sep2022, Vol. 68 Issue 9, p5730-5746. 17p.

Abstract:In this paper, we focus on decoding nonbinary low-density parity-check (LDPC) codes in Galois fields of characteristic two via the proximal alternating direction method of multipliers (proximal-ADMM). By exploiting Flanagan/Constant-Weighting embedding...

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Performance and Capacity Analysis of MDCSK-BICM for Impulsive Noise in PLC.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Power Delivery. Aug2022, Vol. 37 Issue 4, p3164-3175. 12p.

Abstract:To further mitigate the BER error floor of $M$ -ary differential chaos shift keying (MDCSK) modulation for impulsive noise, a low-cost high-reliability coded modulation scheme without equalizations is desirable for impulsive noise. In this paper, a pro...

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Generalized Mutual Information-Maximizing Quantized Decoding of LDPC Codes With Layered Scheduling.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Vehicular Technology. Jul2022, Vol. 71 Issue 7, p7258-7273. 16p.

Abstract:In this paper, we propose a framework of the mutual information-maximizing (MIM) quantized decoding for low-density parity-check (LDPC) codes by using simple mappings and fixed-point additions. Our decoding method is generic in the sense that it can be...

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Matching Pursuit Algorithm for Decoding of Binary LDPC Codes.

Publication Type:Academic Journal

Source(s):Wireless Communications & Mobile Computing. 10/31/2021, p1-5. 5p.

Abstract:This paper presents a novel hard decision decoding algorithm for low-density parity-check (LDPC) codes, in which the stand matching pursuit (MP) is adapted for error pattern recovery from syndrome over GF(2). In this algorithm, the operation of inner p...

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Design and Analysis of NB QC-LDPC Codes Over Small Alphabets.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Communications. May2022, Vol. 70 Issue 5, p2964-2976. 13p.

Abstract:We propose a novel approach to optimization of irregular nonbinary (NB) quasi-cyclic (QC)-LDPC codes over small alphabets. In this approach, first, the base parity-check matrices are constructed by a simulated annealing method, and then these matrices ...

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Design of Nonbinary LDPC Cycle Codes with Large Girth from Circulants and Finite Fields.

Publication Type:Academic Journal

Source(s):Wireless Communications & Mobile Computing. 9/23/2021, p1-11. 11p.

Abstract:In this paper, we study a class of nonbinary LDPC (NBLDPC) codes whose parity-check matrices have column weight 2, called NBLDPC cycle codes. We propose a design framework of 2 , ρ -regular binary quasi-cyclic (QC) LDPC codes and then construct NBLDPC ...

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Hybrid Stochastic LDPC Decoder With Fully Correlated Stochastic Computation.

Publication Type:Periodical

Source(s):IEEE Transactions on Circuits & Systems. Part I: Regular Papers. Sep2022, Vol. 69 Issue 9, p3643-3654. 12p.

Abstract:The ultra-low hardware consumption feature of stochastic decoding has made it a potential candidate for the implementation of low-density parity-check(LDPC) decoders. However, the existing stochastic LDPC decoders still suffer from performance degradat...

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EBP-GEXIT Charts for M-Ary AWGN Channel for Generalized LDPC and Turbo Codes.

Publication Type:Academic Journal

Source(s):IEEE Transactions on Communications. Jun2022, Vol. 70 Issue 6, p3613-3626. 14p.

Abstract:The maximum a posteriori (MAP) threshold corresponds to the fundamental limit that one can hope to achieve with the given channel code ensemble. Apart from theoretical interests, finding this limit is also desirable since spatial-coupled code ensembles...

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