DVB-T MODULATOR IMPERFECTIONS EVALUATION AND MEASUREMENT

Tomáš Kratochvíl; Radim Štukavec; Martin Slanina

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Paper

DVB-T MODULATOR IMPERFECTIONS EVALUATION AND MEASUREMENT

Topics: Digital Audio and Video Broadcasting

In Proceedings of the International Conference on Signal Processing and Multimedia Applications - Volume 0ICETE, 50-54, 2010 , University of Piraeus, Greece

Authors: Tomáš Kratochvíl ; Radim Štukavec and Martin Slanina

Affiliation: Brno University of Technology, Czech Republic

Keyword(s): COFDM modulator, I/Q error, Amplitude Imbalance, Phase Error, Digital Video Broadcasting, DVB-T.

Related Ontology Subjects/Areas/Topics: Digital Audio and Video Broadcasting ; Multimedia ; Multimedia and Communications ; Telecommunications

Abstract: The paper deals with simulation, evaluation and measurement of the DVB-T modulator imperfections. Modulator imperfections’ and I/Q errors’ influence on the DVB-T signal and its spectrum and I/Q constellation analysis are presented. Theoretical backgrounds of the Amplitude Imbalance, Phase Error and Carrier Suppression effects are outlined in the paper. Then the practical results measured in the laboratory environment are compared to the theoretical assumed impacts on Modulation Error Rate from I/Q constellation and Bit Error Rates before and after Viterbi decoding in DVB-T signal decoding. Commented results of the measurements are presented in the paper as well.

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Paper citation in several formats:

Kratochvíl, T.; Štukavec, R. and Slanina, M. (2010). DVB-T MODULATOR IMPERFECTIONS EVALUATION AND MEASUREMENT. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2010) - SIGMAP; ISBN 978-989-8425-19-5, SciTePress, pages 50-54. DOI: 10.5220/0002993200500054

@conference{sigmap10,
author={Tomáš Kratochvíl. and Radim Štukavec. and Martin Slanina.},
title={DVB-T MODULATOR IMPERFECTIONS EVALUATION AND MEASUREMENT},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2010) - SIGMAP},
year={2010},
pages={50-54},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002993200500054},
isbn={978-989-8425-19-5},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2010) - SIGMAP
TI - DVB-T MODULATOR IMPERFECTIONS EVALUATION AND MEASUREMENT
SN - 978-989-8425-19-5
AU - Kratochvíl, T.
AU - Štukavec, R.
AU - Slanina, M.
PY - 2010
SP - 50
EP - 54
DO - 10.5220/0002993200500054
PB - SciTePress