迭代译码时一种基于置信度的译码方式。 迭代译码不仅仅是一种算法，更重要的是它是一种思想，它通过一次一次的处理，充分地挖掘潜在的信息。 它通过接收或者发射软信息，来逼近现实世界的真实情况，可以改善由于硬判决而丢失的信息。
Currently used low-density parity-check codes iterative decoding algorithms on channels with memo- ry,such as Belief-Propagation iterative decoding algorithm based on channel estimation,are commonly complex and thus requiring large amount of calculation.
目前运用于有记忆信道上的LDPC迭代译码算法,如基于信道估计的BP迭代译码算法等,都存在算法复杂度较高、运算量较大的问题。
参考来源 - 基于信道估计的LDPC仿真算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
论述一种基于软判决反馈迭代译码的比特交织编码调制方案。
A bit interleaved coded modulation (BICM) scheme was introduced, with iterative decoding using soft decision feedback.
密度进化理论是分析低密度校验码的迭代译码性能的有效工具。
Density evolution (DE) is one of the most powerful tools for analyzing the performance of low-density parity - check (LDPC) codes.
依据迭代译码的基本思想，研究了联合迭代解调译码原理与方法。
Based on the main idea of iterative decoding. The principle of joint demodulation and the method of decoding are studied.
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