Low-complexity low-PAR transmission for MIMO-DSL

Daniel J. Ryan*, Iain B. Collings, I. Vaughan L Clarkson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This letter considers clip-limited transmission over multiple-input multiple-output digital subscriber lines (MIMO-DSL). We show that a recent low complexity, low peak-to-average-ratio (PAR) single-input modulation technique can be applied to the case of multiple cross-talking channels in a bonded-DSL system. Unfortunately however the direct initialization procedure is computationally infeasible. In this paper, we provide a novel low-complexity initialization procedure. Simulations confirm that the proposed approach has superior performance in clip-limited conditions, compared with both discrete matrix multitone and vectored discrete multitone.

Original languageEnglish
Pages (from-to)868-870
Number of pages3
JournalIEEE Communications Letters
Volume9
Issue number10
DOIs
Publication statusPublished - Oct 2005
Externally publishedYes

Keywords

  • Digital subscriber line (DSL)
  • Lattice codes
  • MIMO
  • Peak-to-average ratio (PAR)

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