一种用于短帧turbo码等错保护和不等错保护的通用交织器

Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI:10.1109/ITCC.2000.844263

M. Salah, R. Raines, M. Temple, T. G. Bailey

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引用次数: 11

摘要

turbo码高效运行的关键是交织器的设计。通过合理的设计，可以避免低权重序列与编码器输入的配对。可以使用圆移位交织器来确保由权重为2的输入序列引起的最小距离大致增长为/spl基/2N，其中N为块长度。对圆移位交织器的映射函数进行了推广，使其既适用于等误差保护，也适用于不等误差保护。此外，我们还介绍了使用短帧的turbo码对一般圆移位交织器进行相等和不相等错误保护的独特检查的结果。

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A general interleaver for equal and unequal error protections of turbo codes with short frames

The key to the efficient operation of turbo codes is the interleaver design. With proper design, the pairing of low-weight sequences to the input of the encoders can be avoided. Circular shift interleavers can be used to ensure that the minimum distance due to weight-2 input sequences grows roughly as /spl radic/2N, where N is the block length. We generalized the mapping function of the circular shift interleaver to be suitable for both equal and unequal error protections. Also, we present the results of a unique examination of the behavior of the general circular shift interleaver for equal and unequal error protections using turbo code with short frames.

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Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)

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