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Improved Energy Efficiency for Wireless SC MIMO Through Data-Dependent Superimposed Training

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Details

Original languageEnglish
Title of host publication5th International Symposium on Communications Control and Signal Processing ISCCSP 2012, Rome, Italy, May 2-4, 2012
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers IEEE
Pages1-6
Number of pages6
ISBN (Print)978-1-4673-0274-6
DOIs
Publication statusPublished - 2012
Publication typeA4 Article in a conference publication

Publication series

NameInternational Symposium on Communications Control and Signal Processing

Abstract

In this paper, we compare the energy efficiency of a single carrier multiple-input multiple-output communications in terms of the energy per data bit required to achieve desired performance level or throughput. The comparison on energy efficiency is done between traditional time-domain multiplexed training and a more recently introduced data-dependent superimposed training. We extend our earlier single-input multiple-output system to the multiple-input multiple-output case and show how the data-dependent superimposed training based system can achieve better energy efficiency in small and diversity enabled multiple-input multiple-output links. In addition, we present analytical mean squared error results for DDST based MIMO channel estimation and propose methods to improve their accuracy when using short channel estimators.

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