@conference{10902/15195,
year = {2018},
url = {http://hdl.handle.net/10902/15195},
abstract = {The transmission of improper Gaussian signals, instead of the conventional proper ones, has been shown to improve the performance in interference-limited networks. In this work we analyze the performance of a multiple-antenna user that transmits maximally improper signals and whose transmit covariance matrix satisfies a set of constraints that limit the harmfulness of the interference caused by this user. As opposed to the single-antenna case, there are different possible improper spatial signatures, which provide different performance. We first obtain new results for maximally improper random vectors based on majorization theory. We then apply these results to derive the improper spatial signatures that either maximize or minimize the performance. Numerical examples show that the performance difference between these two extreme cases can be surprisingly large.},
organization = {The work of C. Lameiro and P. J. Schreier was supported by the German Research Foundation (DFG) under grants SCHR 1384/6-1 and LA 4107/1-1. The work of I. Santamaría was supported by the Ministerio de Economía y Competitividad (MINECO) and AEI/FEDER funds of the UE, Spain, under projects RACHEL (TEC2013-47141-C4-3-R) and CARMEN (TEC2016-75067-C4-4-R).},
publisher = {IEEE},
publisher = {IEEE Wireless Communications and Networking Conference (WCNC), Barcelona, 2018, 1760-1765},
title = {Performance analysis of maximally improper signaling for multiple-antenna systems},
author = {Lameiro Gutiérrez, Christian and Santamaría Caballero, Luis Ignacio and Schreier, Peter J.},
}