计算机工程与应用 ›› 2011, Vol. 47 ›› Issue (15): 123-125.

• 网络、通信、安全 • 上一篇    下一篇

采用噪声预测的迭代单载波频域均衡

仲元红1,曾凡鑫2   

  1. 1.重庆大学 通信工程学院,重庆 400044
    2.重庆通信学院,重庆 400035
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-05-21 发布日期:2011-05-21

Iterative single-carrier frequency domain equalization with time domain noise prediction

ZHONG Yuanhong1,ZENG Fanxin2   

  1. 1.College of Communication Engineering,Chongqing University,Chongqing 400044,China
    2.Chongqing Communication Institute,Chongqing 400035,China

  • Received:1900-01-01 Revised:1900-01-01 Online:2011-05-21 Published:2011-05-21

摘要: 采用噪声预测的单载波频域均衡结构,按照Turbo均衡的思想,提出了一种对噪声预测过程进行迭代的迭代单载波频域均衡的方法,并且分析设计了系统迭代均衡时的关键参数。仿真结果表明:基于迭代思想的噪声预测的单载波频域均衡系统在频率选择性衰落信道下具有良好的误比特性能,并且具有较低的复杂度。

关键词: 噪声预测, 单载波频域均衡, 迭代

Abstract: In accordance with the idea of Turbo equalization and the structure of single-carrier frequency domain equalization with time domain noise prediction,an iterative single-carrier frequency domain equalization with time domain noise prediction system is proposed,and the key parameters of the system are analyzed and designed.Simulation results show that the iterative single-carrier frequency domain equalization with time domain noise prediction system has a good BER performance in frequency selective fading channel,and it has a lower complexity.

Key words: noise prediction, Single-Carrier Frequency Domain Equalization(SC-FDE), iterative