Multidimensional Constellations; Lattice Based Constellations; Polypolarization Multiplexing
Abstract :
[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 :
Electrical & electronics engineering
Author, co-author :
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)
External co-authors :
no
Language :
English
Title :
Constellation Design in Four Dimensions under Average Power Constraint
Publication date :
2015
Event name :
22nd IEEE Symposium on Communications and Vehicular Technology in the Benelux
Event place :
Luxembourg, Luxembourg
Event date :
24-11-2015
Audience :
International
Main work title :
Proceedings on IEEE Symposium on Communications and Vehicular Technology in the Benelux
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