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A new bipartite graph constructed from the Tanner graph of B4×4.

A new bipartite graph constructed from the Tanner graph of B4×4.

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Tanner graph of Hb (or Hnb): (a) Hb over GF (2); (b) Hnb over GF (4);...
Tanner graph of Hb (or Hnb): (a) Hb over GF (2); (b) Hnb over GF (4);...
Tanner graph of Hb (or Hnb): (a) Hb over GF (2); (b) Hnb over GF (4);...
Tanner graph of B4×4.
+2 A new bipartite graph constructed from the Tanner graph of B4×4.
Design of Nonbinary LDPC Cycle Codes with Large Girth from Circulants and Finite Fields
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  • Sep 2021
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 cycle codes of large girth based on circulants and finite fields by randomly choosing the nonzero fie...
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