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|Title:||Layered decoding for protograph-based low-density parity-check Hadamard codes||Authors:||Zhang, PW
|Issue Date:||Jun-2021||Source:||IEEE communications letters, June 2021, v. 25, no. 6, p. 1776 - 1780||Abstract:||In this letter, we propose a layered decoding algorithm for protograph-based low-density parity-check Hadamard codes (PLDPC-HCs), which have been shown to be ultimate-Shannon-limit approaching. Compared with the standard decoding algorithm, the layered decoding algorithm improves the convergence rate by about two times. At a bit error rate of 2.0×10⁻⁵ , the layered decoder using 20 decoding iterations shows a very small degradation of 0.03 dB compared with the standard decoder using 40 decoding iterations. Moreover, the layered decoder using 21 decoding iterations shows the same error performance as the standard decoder using 41 decoding iterations.||Keywords:||Convergence rate
Protograph-based LDPC-Hadamard codes
Ultimate Shannon limit
|Publisher:||Institute of Electrical and Electronics Engineers||Journal:||IEEE communications letters||ISSN:||1089-7798||DOI:||10.1109/LCOMM.2021.3057717||Rights:||© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The following publication P. W. Zhang, F. C. M. Lau and C. -W. Sham, "Layered Decoding for Protograph-Based Low-Density Parity-Check Hadamard Codes," in IEEE Communications Letters, vol. 25, no. 6, pp. 1776-1780, June 2021 is available at https://dx.doi.org/10.1109/LCOMM.2021.3057717.
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