Superimposed or time-multiplexed training: A performance comparison

Abla Kammoun*, Karim Abed-Meraim, Sofiène Affes

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

In this paper, we derive a performance comparison between the conventional time-multiplexing training based scheme and the most-recently proposed data-dependent superimposed training scheme, when using linear receivers. For both schemes, we derive an approximative closed-form expression for the Bit Error Rate (BER) and determine the optimal power allocation between pilot and data that minimizes the BER. Simulations are conducted to assess the accuracy of the provided expressions and to determine contexts for which it is more interesting to opt for the data-dependent superimposed training scheme.

Original languageEnglish (US)
Pages (from-to)348-352
Number of pages5
JournalEuropean Signal Processing Conference
StatePublished - Dec 1 2009
Event17th European Signal Processing Conference, EUSIPCO 2009 - Glasgow, United Kingdom
Duration: Aug 24 2009Aug 28 2009

Keywords

  • Bit error rate
  • Data-dependent superimposed training
  • Optimal power allocation
  • Time multiplexing

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering

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