Tensor decompositions in wireless communications and MIMO radar

H Chen, F Ahmad, S Vorobyov… - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
The emergence of big data and the multidimensional nature of wireless communication
signals present significant opportunities for exploiting the versatility of tensor …

Overview of constrained PARAFAC models

G Favier, ALF de Almeida - EURASIP Journal on Advances in Signal …, 2014 - Springer
In this paper, we present an overview of constrained parallel factor (PARAFAC) models
where the constraints model linear dependencies among columns of the factor matrices of …

Tensor space-time-frequency coding with semi-blind receivers for MIMO wireless communication systems

G Favier, ALF de Almeida - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
In this paper, we first introduce two new classes of constrained tensor models that we call
generalized PARATUCK-(N1, N) and Tucker-(N1, N) models. A new tensor space-time …

Tensor-based receiver for joint channel, data, and phase-noise estimation in MIMO-OFDM systems

B Sokal, PRB Gomes, ALF de Almeida… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Phase-noise is a system impairment caused by the mismatch between the oscillators at the
transmitter and the receiver. In OFDM systems, this induces inter-carrier-interference (ICI) by …

Tensor modelling of MIMO communication systems with performance analysis and Kronecker receivers

MN da Costa, G Favier, JMT Romano - Signal Processing, 2018 - Elsevier
The purpose of this paper is manifold. In a first part, we present a new alternating least
squares (ALS)-based method for estimating the matrix factors of a Kronecker product, the so …

Nested Tucker tensor decomposition with application to MIMO relay systems using tensor space–time coding (TSTC)

G Favier, CAR Fernandes, ALF de Almeida - Signal Processing, 2016 - Elsevier
The aim of this paper is twofold. In a first part, we present a new tensor decomposition that
we call Tucker train decomposition or nested Tucker decomposition (NTD). NTD can be …

[HTML][HTML] Distributed manufacturing of flexible products: Technical feasibility and economic viability

AL Woern, JM Pearce - Technologies, 2017 - mdpi.com
Distributed manufacturing even at the household level is now well established with the
combined use of open source designs and self-replicating rapid prototyper (RepRap) 3-D …

PARAFAC-PARATUCK semi-blind receivers for two-hop cooperative MIMO relay systems

LR **menes, G Favier, ALF de Almeida… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In two-hop amplify-and-forward (AF) relay systems, a source node sends information to one
or several relay nodes that amplify and retransmit the received signals to a destination node …

Semi-blind receivers for joint symbol and channel estimation in space-time-frequency MIMO-OFDM systems

K Liu, JPCL Da Costa, HC So… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In wireless communications, increased spectral efficiency and low error rates can be
achieved by means of space-time-frequency coded MIMO-OFDM systems. In this work, we …

Space-time-frequency (STF) MIMO communication systems with blind receiver based on a generalized PARATUCK2 model

ALF de Almeida, G Favier… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper, we first propose a generalized fourth-order PARATUCK2 tensor model for
multiple-input multiple-output (MIMO) communication systems with space-time-frequency …