Improved Energy Efficiency for Wireless SC MIMO Through Data-Dependent Superimposed Training
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Yksityiskohdat
| Alkuperäiskieli | Englanti |
|---|---|
| Otsikko | 5th International Symposium on Communications Control and Signal Processing ISCCSP 2012, Rome, Italy, May 2-4, 2012 |
| Julkaisupaikka | Piscataway, NJ |
| Kustantaja | Institute of Electrical and Electronics Engineers IEEE |
| Sivut | 1-6 |
| Sivumäärä | 6 |
| ISBN (painettu) | 978-1-4673-0274-6 |
| DOI - pysyväislinkit | |
| Tila | Julkaistu - 2012 |
| OKM-julkaisutyyppi | A4 Artikkeli konferenssijulkaisussa |
Julkaisusarja
| Nimi | International Symposium on Communications Control and Signal Processing |
|---|
Tiivistelmä
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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