TY - JOUR AU - Nguyen, Huong-Giang AU - Pham, Nghia Xuan AU - Nguyen, Thu Phuong AU - Nguyen, Chi Dinh PY - 2021/06/29 TI - On efficient designing of protograph LDPC codes JF - Journal of Science and Technology: Issue on Information and Communications Technology; Vol 19 No 6.2 (2021): Volume 19, Number 6.2, 2021DO - 10.31130/ict-ud.2021.131 KW - N2 - 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. UR - http://ict.jst.udn.vn/index.php/jst/article/view/131