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Problemy Peredachi Informatsii, 2020, Volume 56, Issue 2, Pages 82–94
DOI: https://doi.org/10.31857/S0555292320020035 (Mi ppi2317) 		 
This article is cited in 5 scientific papers (total in 5 papers)

Coding Theory

Detecting cycles of length 8 in the Tanner graph of a QC-LDPC code based on protograph analysis

A. V. Kharin, K. N. Zavertkin, A. A. Ovinnikov

Department of Theoretical Foundations of Electrical Engineering, Faculty of Radio Engineering and Telecommunications, Utkin Ryazan State Radio Engineering University, Ryazan, Russia
Full-text PDF (202 kB) Citations (5)
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DOI: https://doi.org/10.31857/S0555292320020035
Abstract: For cycles of length 8 in a Tanner graph, we propose an identification procedure based on the analysis of paths in a protograph. We formulate and prove a number of theorems that introduce identification rules for cycles and restrict the number of subgraphs to be analyzed. To distinguish between them, we propose a number of parameters that uniquely determine the group of analyzed paths in the protograph.
Keywords: Tanner graph, protograph, expanded graph, union of cycles, base equation, extrinsic message degree, LDPC code.
Funding agency Grant number
Russian Science Foundation 17-79-20302
The research was carried out at the expense of the Russian Science Foundation, project no. 17-79-20302.
Received: 05.07.2019
Revised: 08.05.2020
Accepted: 12.05.2020
English version:
Problems of Information Transmission, 2020, Volume 56, Issue 2, Pages 173–184
DOI: https://doi.org/10.1134/S0032946020020039
Bibliographic databases:
Document Type: Article
UDC: 621.391.15 : 519.725
Language: Russian
Citation: A. V. Kharin, K. N. Zavertkin, A. A. Ovinnikov, “Detecting cycles of length 8 in the Tanner graph of a QC-LDPC code based on protograph analysis”, Probl. Peredachi Inf., 56:2 (2020), 82–94; Problems Inform. Transmission, 56:2 (2020), 173–184
Citation in format AMSBIB
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    • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Проблемы передачи информации Problems of Information Transmission
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