Fast crosstalk precoder based on structured matrix splitting for downstream transmission

LI You-ming; SHEN Wei; WANG Rang-ding; LI Xin-miao

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Fast crosstalk precoder based on structured matrix splitting for downstream transmission

更新时间：2024-10-14

- Fast crosstalk precoder based on structured matrix splitting for downstream transmission
- Vol. 30, Issue 6, Pages: 103-107(2009)
- 作者机构：
  
  宁波大学通信技术研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.2
- Published：2009
- 稿件说明：
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LI You-ming, SHEN Wei, WANG Rang-ding, et al. Fast crosstalk precoder based on structured matrix splitting for downstream transmission[J]. 2009, 30(6): 103-107.
DOI：

LI You-ming, SHEN Wei, WANG Rang-ding, et al. Fast crosstalk precoder based on structured matrix splitting for downstream transmission[J]. 2009, 30(6): 103-107. DOI：

摘要

利用同一电缆包中布线的空间特殊性

提出一种抑制下行传输方向串音的预编码算法。一方面由于算法中仅涉及二阶矩阵的逆

运算量很小

易于实现。另一方面

此方法性能优于之前提出的一阶逼近算法

而与三对角线逼近算法性能相近

但运算量要小得多。基于实测数据的计算机仿真验证了结果的正确性。

Abstract

Based on special line position

a novel precoder of cancellation crosstalk for downstream transmission was proposed.As the new method needs only two order matrix inversion

the precoder had a much lower computational com-plexity and was easy for implementation.In addition

the performance of the precoder was superior to that of the first or-der algorithm

almost the same tri-diagonal precoder.Computer simulation results based on real measured data verify the efficiency of the proposed precoder.

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