Parallel equalization schemes for Turbo equalizer

CHENG Xiang1; YUAN Dong-feng1

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Parallel equalization schemes for Turbo equalizer

更新时间：2024-10-14

- Parallel equalization schemes for Turbo equalizer
- Issue 9, Pages: 14-20(2006)
- 作者机构：
  
  1. 山东大学信息科学与工程学院
  2. 山东大学信息科学与工程学院,山东,济南,250100
  3. 山东济南250100东南大学无线电工程系移动通信国家重点实验室
  4. ,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.2
- Published：2006
- 稿件说明：
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CHENG Xiang1, YUAN Dong-feng1. Parallel equalization schemes for Turbo equalizer[J]. 2006, (9): 14-20.
DOI：

CHENG Xiang1, YUAN Dong-feng1. Parallel equalization schemes for Turbo equalizer[J]. 2006, (9): 14-20. DOI：

摘要

为了解决在Turbo均衡中由迭代引起的均衡延迟问题

两种分别对应于最大后验概率(MAP)和线性最小均方误差(LMMSE)均衡算法的并行均衡方案被提出。通过理论分析、仿真验证以及最后的硬件实现复杂度的分析研究表明

对于上述两种并行均衡方案

可以保证在小的硬件实现复杂度开销以及几乎没有性能损失的前提下

大大降低其均衡延迟。

Abstract

In order to reduce the equalization delay induced by iteration

two parallel methods were proposed respectively based on maximum a-posteriori probability （MAP） and linear minimum mean-squared error （LMMSE） equalization algo-rithm in Turbo equalization. Through theoretical analysis

simulation and hardware complexity discussion

it is concluded that the proposed two parallel equalization schemes can fully reduced the equalization delay with small hardware com-plexity and excellent performance.

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