An Improved Turbo decoding Algorithm

WU Lin-bo; ZHU Yi-an; TIAN Hang-pei

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An Improved Turbo decoding Algorithm

更新时间：2026-09-04

- An Improved Turbo decoding Algorithm
- Vol. 27, Issue 12, Pages: 146-148(2010)
- 作者机构：
  
  西北工业大学航空微电子中心,陕西,西安,710072
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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仵林博, 朱怡安, 田杭沛. 一种改进的Turbo码译码算法[J]. 微电子学与计算机, 2010, 27(12): 146-148,152.

WU Lin-bo, ZHU Yi-an, TIAN Hang-pei. An Improved Turbo decoding Algorithm[J]. 2010, 27(12): 146-148.
仵林博, 朱怡安, 田杭沛. 一种改进的Turbo码译码算法[J]. 微电子学与计算机, 2010, 27(12): 146-148,152. DOI：

WU Lin-bo, ZHU Yi-an, TIAN Hang-pei. An Improved Turbo decoding Algorithm[J]. 2010, 27(12): 146-148. DOI：

摘要

针对已有Turbo码译码算法延迟长

存储空间需求大的问题

在对算法的计算单元、存储操作进行优化的基础上提出了一种新的状态度量归一化处理方法及基于分块的滑动窗算法

并构建了算法的寄存器传输级模型.该算法将分块并行技术和滑动窗算法有机的结合在一起

能够有效降低运算中的时延及存储资源需求.仿真结果表明

该算法在保证性能的前提下

具有较好的可实现性.

Abstract

To solve the problem of long time delay and large storage space of the existing turbo decoding

a new state metric re-scaling method and a sliding window algorithm based on sub-blocks are proposed

which is based on the optimization of calculation unit and storage operations

and also we build the register-transmission model for the algorithm.The algorithm combines parallel processing technology and sliding window algorithm organically

effectively reduces the decoding delay and the occupied memory size.The simulation results show that the algorithm has preferable realization without performance degradation.

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