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문명룡,이광재,황기연,이문호,Moon Myung-Ryong,Jia Hou,Hwang Gi-Yean,Lee Moon-Ho,Lee Kwang-Jae 대한전자공학회 2005 전자공학회논문지TC (Telecommunications) Vol.42 No.8
In this paper, the explicit low density codes construction from the generalized permutation matrices related to algebra theory is investigated, and we design several Jacket inverse block matrices on the recursive formula and permutation matrices. The results show that the proposed scheme is a simple and fast way to obtain the low density codes, and we also Proved that the structured low density parity check (LDPC) codes, such as the $\pi-rotation$ LDPC codes are the low density Jacket inverse block matrices too.