摘要：RA码BP译码算法,可以实现线性时间译码,然而具有较高的复杂度.为了便于硬件实现,首先提出将最小和算法应用于RA码,然后对最小和算法进行了改进,提出了归一化算法和偏移算法,使循环译码算法在复杂度和性能之间取得了较好的折衷.仿真结果表明:归一化算法和偏移算法复杂度低,性能接近BP算法.
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