Multidimensional Constellations; Lattice Based Constellations; Polypolarization Multiplexing
Résumé :
[en] In this paper we address the problem of constellation design in four dimensional space (4D) under average power constraint. We compare the performance of best lattice constellations with those optimized without any constraint on their structure. Even though the lattice based constellations provide the best minimum distance, usually they do not allow for a good binary labelling. Therefore, in more realistic system scenarios, up to a 2 dB gain can be obtained by properly optimizing the constellation and the corresponding binary labelling. We also investigate the performance of 4D constellations obtained by the Cartesian product of two 2D constellations.
Disciplines :
Ingénierie électrique & électronique
Auteur, co-auteur :
KAYHAN, Farbod ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
MAZZALI, Nicolò ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
SHANKAR, Bhavani ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Co-auteurs externes :
no
Langue du document :
Anglais
Titre :
Constellation Design in Four Dimensions under Average Power Constraint
Date de publication/diffusion :
2015
Nom de la manifestation :
22nd IEEE Symposium on Communications and Vehicular Technology in the Benelux
Lieu de la manifestation :
Luxembourg, Luxembourg
Date de la manifestation :
24-11-2015
Manifestation à portée :
International
Titre de l'ouvrage principal :
Proceedings on IEEE Symposium on Communications and Vehicular Technology in the Benelux
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