Abstract:In this paper, an algebraic method for the construction of regular Low Density Parity Check (LDPC) codes without short cycles is proposed. By this method, the regular LDPC codes with 8-girth can be constructed. Simulation results show that these codes can achieve better performance than randomly constructed regular LDPC codes over AWGN channels.
刘斌;童胜;白宝明. 不含小环的低密度校验码的代数构造方法[J]. 电子与信息学报, 2004, 26(11): 1778-1782 .
Liu Bin; Tong Sheng; Bai Bao-ming. Algebraic Construction of Low-Density Parity-Check Codes without Short Cycles. , 2004, 26(11): 1778-1782 .