The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Cet article s'intéresse à la synchronisation temporelle des signaux UWB à haut débit fonctionnant dans un environnement dense à trajets multiples, où l'accès doit s'attaquer aux interférences inter-trames (IFI), aux interférences inter-symboles (ISI) et même aux interférences multi-utilisateurs (MUI). Un schéma conjoint de synchronisation et d'estimation de canal basé sur la formation est proposé, qui est résilient aux IFI, ISI, MUI et à la distorsion d'impulsion. Un schéma de détection de faible complexité similaire au schéma de transmission-référence (TR) apparaît comme un sous-produit. Pour sauvegarder les symboles de formation, nous développons en outre un schéma étendu orienté par décision (DD). Une limite inférieure de la probabilité de détection correcte est dérivée, ce qui concorde bien avec le résultat simulé pour des valeurs SNR modérées à élevées. Les résultats montrent que l'algorithme proposé permet d'obtenir un gain de performance significatif en termes d'erreur quadratique moyenne et de taux d'erreur binaire par rapport aux algorithmes de « synchronisation avec des modèles sales » (TDT).
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Tao LIU, Shihua ZHU, "Joint Timing and Channel Estimation for Ultra-Wideband Signals" in IEICE TRANSACTIONS on Communications,
vol. E92-B, no. 2, pp. 499-506, February 2009, doi: 10.1587/transcom.E92.B.499.
Abstract: This paper is concerned with timing synchronization of high rates UWB signals operating in a dense multipath environment, where access must tackle inter-frame interference (IFI), inter-symbol interference (ISI) and even multi-user interference (MUI). A training-based joint timing and channel estimation scheme is proposed, which is resilient to IFI, ISI, MUI and pulse distortion. A low-complexity detection scheme similar to transmit-reference (TR) scheme comes out as a by-product. For saving the training symbols, we further develop an extended decision-directed (DD) scheme. A lower bound on the probability of correct detection is derived which agrees well with the simulated result for moderate to high SNR values. The results show that the proposed algorithm achieves a significant performance gain in terms of mean square error and bit error rate in comparison to the "timing with dirty templates" (TDT) algorithms.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E92.B.499/_p
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@ARTICLE{e92-b_2_499,
author={Tao LIU, Shihua ZHU, },
journal={IEICE TRANSACTIONS on Communications},
title={Joint Timing and Channel Estimation for Ultra-Wideband Signals},
year={2009},
volume={E92-B},
number={2},
pages={499-506},
abstract={This paper is concerned with timing synchronization of high rates UWB signals operating in a dense multipath environment, where access must tackle inter-frame interference (IFI), inter-symbol interference (ISI) and even multi-user interference (MUI). A training-based joint timing and channel estimation scheme is proposed, which is resilient to IFI, ISI, MUI and pulse distortion. A low-complexity detection scheme similar to transmit-reference (TR) scheme comes out as a by-product. For saving the training symbols, we further develop an extended decision-directed (DD) scheme. A lower bound on the probability of correct detection is derived which agrees well with the simulated result for moderate to high SNR values. The results show that the proposed algorithm achieves a significant performance gain in terms of mean square error and bit error rate in comparison to the "timing with dirty templates" (TDT) algorithms.},
keywords={},
doi={10.1587/transcom.E92.B.499},
ISSN={1745-1345},
month={February},}
Copier
TY - JOUR
TI - Joint Timing and Channel Estimation for Ultra-Wideband Signals
T2 - IEICE TRANSACTIONS on Communications
SP - 499
EP - 506
AU - Tao LIU
AU - Shihua ZHU
PY - 2009
DO - 10.1587/transcom.E92.B.499
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E92-B
IS - 2
JA - IEICE TRANSACTIONS on Communications
Y1 - February 2009
AB - This paper is concerned with timing synchronization of high rates UWB signals operating in a dense multipath environment, where access must tackle inter-frame interference (IFI), inter-symbol interference (ISI) and even multi-user interference (MUI). A training-based joint timing and channel estimation scheme is proposed, which is resilient to IFI, ISI, MUI and pulse distortion. A low-complexity detection scheme similar to transmit-reference (TR) scheme comes out as a by-product. For saving the training symbols, we further develop an extended decision-directed (DD) scheme. A lower bound on the probability of correct detection is derived which agrees well with the simulated result for moderate to high SNR values. The results show that the proposed algorithm achieves a significant performance gain in terms of mean square error and bit error rate in comparison to the "timing with dirty templates" (TDT) algorithms.
ER -