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 …

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 …

[图书][B] Optimizing wireless communication systems

FRP Cavalcanti, S Andersson - 2009 - Springer
Mobile and wireless communication systems are a prominent communications technology
with profound economical and social impacts in practically all parts of the world. The current …

Constrained tensor modeling approach to blind multiple-antenna CDMA schemes

ALF de Almeida, G Favier… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, we consider an uplink multiple-antenna code-division multiple-access (CDMA)
system linking several multiple-antenna mobile users to one multiple-antenna base station …

Generalized Khatri-Rao and Kronecker space-time coding for MIMO relay systems with closed-form semi-blind receivers

W Freitas Jr, G Favier, ALF de Almeida - Signal Processing, 2018 - Elsevier
In this paper, we propose two new space-time (ST) coding schemes for multiple-antenna
signalling based on multiple Khatri-Rao and Kronecker products of symbol matrices …

[图书][B] Matrix and Tensor Decompositions in Signal Processing, Volume 2

G Favier - 2021 - books.google.com
The second volume will deal with a presentation of the main matrix and tensor
decompositions and their properties of uniqueness, as well as very useful tensor networks …

Tensor modeling and signal processing for wireless communication systems

ALF de Almeida - 2007 - theses.hal.science
In several signal processing applications for wireless communications, the received signal is
multidimensional in nature and may exhibit a multilinear algebraic structure. In this context …

Low-complexity and high-accuracy semi-blind joint channel and symbol estimation for massive MIMO-OFDM

R Kehrle Miranda, JP CL Da Costa, B Guo… - Circuits, Systems, and …, 2019 - Springer
In order to fully exploit the scarce spectrum, antenna arrays are incorporated into wireless
communication devices in 4G and 5G communication networks to deploy MIMO-OFDM …

Tensor-based receiver for separating component signals in a composite signal

ILJ Da Silva, R Baldemair, FRP Cavalcanti… - US Patent …, 2013 - Google Patents
(57) ABSTRACT A receiver separates multiple component signals carried in a composite
signal that have been spread over time and fre quency. Multiple diversity branches receive …

Multiuser MIMO system using block space–time spreading and tensor modeling

ALF de Almeida, G Favier, JCM Mota - Signal Processing, 2008 - Elsevier
In this paper, we consider a point-to-multipoint downlink multiuser wireless communication
system, where a multiple-antenna base station simultaneously transmits data to several …