A Frequency-Domain Equalization Algorithm for FMT Systems Based on MSINR

ZHENG Lin-hua; YUAN Ji-bing; ZHONG Hua

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A Frequency-Domain Equalization Algorithm for FMT Systems Based on MSINR

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- A Frequency-Domain Equalization Algorithm for FMT Systems Based on MSINR
- Acta Electronica Sinica Vol. 39, Issue 9, Pages: 2098-2102(2011)
- 作者机构：
  
  1. 国防科学技术大学电子科学与工程学院,湖南,长沙,410073
  2. 95486部队,四川,成都,610000
  3. 国防科学技术大学电子科学与工程学院湖南长沙,410073
  4. 95486部队四川成都,610000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.5
- Published：2011
- 稿件说明：
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ZHENG Lin-hua, YUAN Ji-bing, ZHONG Hua. A Frequency-Domain Equalization Algorithm for FMT Systems Based on MSINR[J]. Acta Electronica Sinica, 2011, 39(9): 2098-2102.
DOI：

ZHENG Lin-hua, YUAN Ji-bing, ZHONG Hua. A Frequency-Domain Equalization Algorithm for FMT Systems Based on MSINR[J]. Acta Electronica Sinica, 2011, 39(9): 2098-2102. DOI：

摘要

针对严格采样FMT系统符号间干扰(ISI)严重的问题

通过推导严格采样FMT系统的矩阵表示式

并对FMT接收信号的组成进行分析

提出了一种以最大化信干噪比(MSINR)为目标的子信道频域均衡算法.仿真结果表明

相比较于先前的判决反馈均衡(DFE)算法和基于最小均方误差准则的频域均衡算法

新算法能获得更好的误码率性能.

Abstract

Through deriving the matrix representations of the critical-sampled FMT system and analyzing the components of FMT signal

a new subchannel frequency-domain equalization algorithm is proposed based on maximizing the subchannel signal-to-interference-plus-noise ratio to eliminate the intersymbol interference(ISI) in critical-sampled FMT system.Simulation results show the bit error ratio (BER) performance of the proposed algorithm and its superiority in comparison with that of the previously proposed DFE equalization algorithm and the frequency domain equalization algorithm based on minimum-mean-square-error rule.

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