首页> 外文期刊>Journal of Communications >Minimization of Channel Impulse Noise using Digital Smear filter
【24h】

Minimization of Channel Impulse Noise using Digital Smear filter

机译:使用数字涂片滤波器将通道脉冲噪声降至最低

获取原文
获取原文并翻译 | 示例
           

摘要

The paper describes a digital smear-desmear technique (SDT) based on polyphase multilevel sequences of unlimited length with good autocorrelation properties. A design procedure for digital implementation of SDT is defined and sequences with power efficiency higher than 50% are generated. These sequences are applied to the design of digital smear/desmear filters, and combined with uncoded and coded ITU-T V.150.1 communication systems. The impulse noise is modeled as a sequence of Poisson arriving delta functions with gaussian amplitudes. The impulse noise parameters are computed from experimental data. Simulation results shows that the SDT filter design method yields a significant improvement in bit error rates for both systems subject to impulse noise, relative to systems with no SDT. The technique also completely removes the error floor caused by impulse noise.
机译:本文描述了一种基于数字长条多相序列的数字拖尾除污技术(SDT),该序列具有无限长且具有良好的自相关特性。定义了SDT数字实现的设计程序,并生成了功率效率高于50%的序列。这些序列应用于数字拖尾/去拖尾滤波器的设计,并与未编码和已编码的ITU-T V.150.1通信系统结合。脉冲噪声被建模为具有高斯幅度的一系列泊松到达三角函数。脉冲噪声参数是根据实验数据计算得出的。仿真结果表明,相对于没有SDT的系统,SDT滤波器的设计方法对于两个受到脉冲噪声影响的系统,其误码率都有显着改善。该技术还完全消除了由脉冲噪声引起的错误基底。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号