Multi-dimensional constellation tilting for reducing the power loss of tomlinson-harashima precoder

Joondoo Kim, Chungyong Lee

Research output: Contribution to journalArticle

Abstract

We propose a multi-dimensional extension of the constellation tilting (CT) method for reducing the power loss of Tomlinson-Harashima precoding. By the extension, constellations for multiple signal streams are simultaneously rotated at a proper angle so that the number of available tilting angles is rapidly increased. Then, this growth of the available angles improves the performance of CT and computer simulations show that the proposed extension obtains the enhanced power reduction effect.

Original languageEnglish
Pages (from-to)1043-1049
Number of pages7
JournalWireless Personal Communications
Volume72
Issue number2
DOIs
Publication statusPublished - 2013 Sep 1

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

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