Mitigation of Alien Crosstalk for Downstream DSL Impaired by Multiple Interferers

Diego Gomes, E. Medeiros, Aldebaro Klautau, Evaldo Pelaes

Research output: Contribution to journalArticlepeer-review

Abstract

Alien crosstalk is one of the major impairments for copper-based transmissions. This letter outlines a method for mitigating alien crosstalk for DSL downstream transmissions impaired by multiple interference sources. The method requires a reference channel, and includes a post processing stage in which induced correlation is applied to prepare the interference at the target channel to be reasonably removed by a prediction based mitigation step. The results show that the proposed method outperforms published alien crosstalk mitigation methods as the number of interference sources increase in G.fast scenarios.

Original languageEnglish
JournalIEEE Communications Letters
DOIs
Publication statusPublished - 2017 Aug 18

Subject classification (UKÄ)

  • Telecommunications

Free keywords

  • Alien Crosstalk
  • Correlation
  • Crosstalk
  • DSL
  • Matrix decomposition
  • Mitigation
  • Prediction
  • Receivers
  • Transmitters

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