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低密度奇偶校验码(LDPC;Low-Density Parity-Check)是当前信道编码领域的研究热点,它拥有逼近Shannon理论限的性能[1]。因此,对低复杂度LDPC码译码研究,是具有一定的理论和实际应用意义的。通过与另一个通信热点编码Turbo码进行对比,体现出LDPC码的发展前景。
Low-Density Parity-Check (LDPC) is a hotspot in the field of current channel coding. It has the performance close to the limit of Shannon theory [1]. Therefore, the study of decoding low-complexity LDPC codes has certain theoretical and practical significance. By comparing with another communication hot spot Turbo code, it shows the development prospect of LDPC code.