Computationally efficient approximated matrix inversion with application to crosstalk precoding in downstream VDSL

Youming Li, Leshem Amir, Liming Fang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

An algorithm for approximating crosstalk channel matrix inversion is proposed in this paper. The algorithm decomposes the crosstalk channel matrix into a tridiagonal matrix plus a residual matrix composed of the remaining elements. By using diagonal dominance property, the inverse of the crosstalk channel matrix is approximated. Based on these results we propose a novel precoding method with lower computational complexity for canceling the crosstalk in downstream VDSL. Computer simulation results based on measured channel data are provided to verify the efficiency of the proposed algorithm.

Original languageEnglish
Title of host publicationIWCMC 2007
Subtitle of host publicationProceedings of the 2007 International Wireless Communications and Mobile Computing Conference
Pages429-433
Number of pages5
DOIs
StatePublished - 2007
EventIWCMC 2007: 2007 International Wireless Communications and Mobile Computing Conference - Honolulu, HI, United States
Duration: 12 Aug 200716 Aug 2007

Publication series

NameIWCMC 2007: Proceedings of the 2007 International Wireless Communications and Mobile Computing Conference

Conference

ConferenceIWCMC 2007: 2007 International Wireless Communications and Mobile Computing Conference
Country/TerritoryUnited States
CityHonolulu, HI
Period12/08/0716/08/07

Keywords

  • Crosstalk cancellation
  • Digital subscriber line
  • Matrix splitting
  • Vectoring

Fingerprint

Dive into the research topics of 'Computationally efficient approximated matrix inversion with application to crosstalk precoding in downstream VDSL'. Together they form a unique fingerprint.

Cite this