On efficient designing of protograph LDPC codes

  • Huong-Giang Nguyen Le Quy Don Technical University, Hanoi , Vietnam
  • Nghia Xuan Pham Le Quy Don Technical University, Hanoi, Vietnam
  • Thu Phuong Nguyen Le Quy Don Technical University, Hanoi, Vietnam
  • Chi Dinh Nguyen Phenikaa University, Hanoi, Vietnam

Abstract

This paper designs two protograph LDPC codes with code-rate $R > 1/2$. A simple method using the protograph extrinsic information transfer (PEXIT) to design the codes with a low decoding threshold and the asymptotic weight enumerator (AWE) to evaluate the error floor of the codes is deployed. Simulation results show that the proposed codes have a better error floor than prior art protograph codes and offer higher rate protographs.

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Published
2021-06-29
How to Cite
NGUYEN, Huong-Giang et al. On efficient designing of protograph LDPC codes. Journal of Science and Technology: Issue on Information and Communications Technology, [S.l.], v. 19, n. 6.2, p. 39-44, june 2021. ISSN 1859-1531. Available at: <http://ict.jst.udn.vn/index.php/jst/article/view/131>. Date accessed: 19 jan. 2022. doi: https://doi.org/10.31130/ict-ud.2021.131.