2014


Fast distributed gradient methods

D. Jakovetic, J. Xavier and J. M. F. Moura

IEEE Transactions on Automatic Control, to appear, 2014


An angular approach for range-base maximum likelihood source localization through convex relaxation

P. Oguz, J. Gomes, J. Xavier, M. Stosic and P. Oliveira

IEEE Transactions on Wireless Communications, to appear, 2014


Convergent rates of distributed Nesterov-like gradient methods on random networks

D. Jakovetic, J. Xavier and J. M. F. Moura

IEEE Transactions on Signal Processing, vol. 62, no. 4, pp. 868-882, 2014


3D to 2D bijection for spherical objects under equidistant fisheye projection

Computer Vision and Image Understanding, to appear, 2014


Distributed Nesterov gradient methods for random networks: convergence in probability and convergence rates

D. Jakovetic, J. Xavier and J. M. F. Moura

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'14, Florence, Italy, May 2014


Strong convergence to mixed equilibria in fictitious play

B. Swenson, S. Kar and J. Xavier

48th annual conference on information sciences and systems, Princeton University, March 2014


2013


Consensus and products of random stochastic matrices: exact rate for convergence in probability

D. Bajovic, J. Xavier, J. M. F. Moura and B. Sinopoli

IEEE Transactions on Signal Processing, vol. 61, no. 10, pp. 2557-2571, 2013


D-ADMM: a communication-efficient distributed algorithm for separable optimization

J. Mota, J. Xavier, P. Aguiar and M. Püschel

IEEE Transactions on Signal Processing, vol. 61, no.10, pp. 2718-2723, 2013


Newton algorithms for Riemannian distance related problems on connected locally symmetric manifolds

R. Ferreira, J. Xavier, J. P. Costeira and V. Barroso

IEEE Journal of Selected Topics in Signal Processing, vol. 7, no. 4, pp. 634-645, 2013


Filter design with secrecy constraints: the MIMO Gaussian wiretap channel

H. Reboredo, J. Xavier and M. Rodrigues

IEEE Transactions on Signal Processing, vol. 61, no. 15, pp. 3799-3814, 2013


Distributed augmented lagrangian algorithms: convergence rate

D. Jakovetic, J. M. F. Moura and J. Xavier

1st IEEE Global Conference on Signal and Information Processing, Austin, Texas, USA, December 2013


A unified algorithmmic approach to distributed optimization

J. Mota, J. Xavier, P. Aguar and Püschel

1st IEEE Global Conference on Signal and Information Processing, Austin, Texas, USA, December 2013


Mean-centric equilibrium: an equilibrium concept for learning in large-scale games

B. Swenson, S. Kar and J. Xavier

1st IEEE Global Conference on Signal and Information Processing, Austin, Texas, USA, December 2013


ADMM and fast gradient methods for distributed optimization

J. Xavier

Workshop on Distributed Optimization in Large Networks and its Applications, European Control Conference'13, Zurich, Switzerland, 2013


2012


Bilinear modelling via Augmented Lagrange Multipliers (BALM)

A. del Bue, J. Xavier, L. Agapito and M. Stosic

IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 34, no.8, pp. 1496-1508, 2012


Distributed basis pursuit

J. Mota, J. Xavier, P. Aguiar and M. Püschel

IEEE Transactions on Signal Processing, vol. 60, no.4, pp. 1942-1956, 2012


Large deviations performance of consensus+innovations distributed detection with non-Gaussian observations

D. Bajovic, D. Jakovetic, J. M. F. Moura, J. Xavier and B. Sinopoli

IEEE Transactions on Signal Processing, vol. 60, no. 11, pp. 5987-6002, 2012


Distributed detection over noisy networks: large deviations analysis

D. Jakovetic, J. M. F. Moura and J. Xavier

IEEE Transactions on Signal Processing, vol. 60, no. 8, pp. 4306-4320, 2012


Optimal metric projections for deformable and articulated structure-from-motion

M. Paladini, A. del Bue, J. Xavier, L. Agapito, M. Stosic and M. Dodig

International Journal of Computer Vision, vol. 96, no. 2, 2012


ADMM for consensus on colored networks

J. Mota, J. Xavier, P. Aguiar and M. Püschel

51th IEEE Conference on Decision and Control - CDC'12, Hawaii, USA, December 2012


Distributed ADMM for model predictive control and congestion control

J. Mota, J. Xavier, P. Aguiar and M. Püschel

51th IEEE Conference on Decision and Control - CDC'12, Hawaii, USA, December 2012


Distributed Nesterov-like gradient algorithms

D. Jakovetic, J. M. F. Moura and J. Xavier

51th IEEE Conference on Decision and Control - CDC'12, Hawaii, USA, December 2012


Exact rate for convergence in probability of averaging processes via generalized min-cut

D. Bajovic, J. Xavier, J. M. F. Moura and B. Sinopoli

51th IEEE Conference on Decision and Control - CDC'12, Hawaii, USA, December 2012


Consensus+innovations detection: phase transition under communication noise

D. Jakovetic, J. M. F. Moura and J. Xavier

50th Allerton Conference on Communication, Control, and Computing, Illinois, USA, October 2012


Products of stochastic matrices: large deviation rate for markov chain temporal dependencies

D. Bajovic, J. Xavier and B. Sinopoli

50th Allerton Conference on Communication, Control, and Computing, Illinois, USA, October 2012


D-ADMM: a distributed algorithm for compressed sensing and other separable optimization problems

J. Mota, J. Xavier, P. Aguiar and M. Püschel

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'12, Kyoto, Japan March 2012


Fast cooperative distributed learning

D. Jakovetic, J. M. F. Moura and J. Xavier

Asilomar Conference on Signals, Systems and Computers, California, USA, November 2012


Distributed learning in large-scale multi-agent games: a modified fictitious play approach

B. Swenson, S. Kar and J. Xavier

Asilomar Conference on Signals, Systems and Computers, California, USA, November 2012


6D pose estimation of textureless shiny objects using random ferns for bin-picking

J. Rodrigues, J-S Kim, M. Furukawa, J. Xavier, P. Aguiar and T. Kanade

IEEE/RSJ International Conference on Intelligent Robots and Systems - IROS'12, Vilamoura, Portugal, October 2012


Filter design with secrecy constraints: zero-forcing constraint at the legitimate receiver

H. Reboredo, M. Rodrigues and J. Xavier

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'12, Turkey, June 2012


Convergence rate analysis of distributed gradient methods for smooth optimization

D. Jakovetic, J. Xavier and J. M. F. Moura

20th Telecommunications Forum - TELFOR'12, Belgrade, Serbia, November 2012


Products of stochastic matrices: exact rate of convergence in probability for directed networks

D. Bajovic, J. Xavier and B. Sinopoli

20th Telecommunications Forum - TELFOR'12, Belgrade, Serbia, November 2012


Experimential evaluation of simultaneous 3D localization of sensor nodes and tracking moving targets

P. Ekim, J. Gomes, J. Xavier and P. Oliveira

20th European Signal Processing Conference - EUSIPCO'12, Bucharest, Romania August 2012


2011


Distributed detection via Gaussian running consensus: large deviations asymptotic analysis

D. Bajovic, D. Jakovetic, J. Xavier, B. Sinopoli and J. M. F. Moura

IEEE Transactions on Signal Processing, vol. 59, no.9, pp. 4381-4396, 2011


Sensor selection for event detection in wireless sensor networks

D. Bajovic, B. Sinopoli and J. Xavier

IEEE Transactions on Signal Processing, vol. 59, no. 10, pp. 4938-4953, 2011


Cooperative convex optimization in networked systems: augmented Lagrangian algorithms with directed gossip communication

D. Jakovetic, J. Xavier and J. M. F. Moura

IEEE Transactions on Signal Processing, vol. 59, no.8, pp. 3889-3902, 2011


Robust localization of nodes and time-recursive tracking in sensor networks using noisy range measurements

P. Oguz, J. Gomes, J. Xavier and P. Oliveira

IEEE Transactions on Signal Processing, vol. 59, no.8, pp. 3930-3942, 2011


Large deviations analysis of consensus+innovations detection in random networks

D. Bajovic, D. Jakovetic, J. M. F. Moura, J. Xavier and B. Sinopoli

49th Allerton Conference on Communication, Control, and Computing, Illinois, USA, September 2011


Asymptotic performance of distributed detection over random networks

D. Bajovic, D. Jakovetic, J. Xavier, B. Sinopoli and J. M. F. Moura

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'11, Prague, Czech Republic, May 2011


Basis pursuit in sensor networks

J. Mota, J. Xavier, P. Aguiar and M. Püschel

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'11, Prague, Czech Republic, May 2011


Filter design with secrecy constraints: the MIMO Gaussian wiretap channel with zero-forcing receive filters

H. Reboredo, V. Prabhu, M. Rodrigues and J. Xavier

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'11, Prague, Czech Republic, May 2011


Filter design with secrecy constraints: the degraded MIMO Gaussian wiretap channel

H. Reboredo, M. Rodrigues, M. Ara and J. Xavier

IEEE 73rd Vehicular Technology Conference - VTC'11, Budapest, Hungary, May 2011


Design of filters for reliable and secure communications: conditional mean estimation at the eavesdropper

H. Reboredo, M. Rodrigues and J. Xavier

IEEE EUROCON International Conference on Computer as a Tool -- EUROCON 2011, 2001


Applications of Riemannian geometry in signal processing

J. Xavier

3rd International Conference on "Geometry, Dynamics and Integrable Systems", GDIS'11, Lisbon, Portugal, September 2011


Convergence analysis of BALM

J. Xavier, A. del Bue, L. Agapito and M. Paladini

Technical report, Signal and Image Processing Group (SPIG), Institute for Systems and Robotics (ISR), October 2011


2010


Weight optimization for consensus algorithms with correlated switching topology

D. Jakovetic, J. Xavier and J. M. F. Moura

IEEE Transactions on Signal Processing, vol. 58, no.7, pp. 3788-3801, 2010


Distributed detection over random networks: a large deviations analysis

D. Bajovic, D. Jakovetic, J. Xavier, B. Sinopoli and J. M. F. Moura

48th Allerton Conference on Communication, Control, and Computing, Illinois, USA, October 2010


Bilinear factorization via augmented Lagrange multipliers

A. del Bue, J. Xavier, L. Agapito and M. Paladini

11th European Conference on Computer Vision - ECCV'10, Crete, Greece, September 2010


Consensus in correlated random topologies: weights for finite time horizon

D. Jakovetic, J. Xavier and J. M. F. Moura

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'10, Dallas, Texas, USA, March 2010


A convex relaxation for approximate maximum-likelihood 2D source localization from range measurements

P. Ekim, J. Gomes, J. Xavier and P. Oliveira

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'10, Dallas, Texas, USA, March 2010


2009


Robust linear dimensionality reduction for hypothesis testing with application to sensor selection

D. Bajovic, B. Sinopoli and J. Xavier

47th Allerton Conference on Communication, Control, and Computing, Illinois, USA, October 2009


Sensor selection for hypothesis testing in wireless sensor networks: a Kullback-Leibler based approach

D. Bajovic, B. Sinopoli and J. Xavier

48th IEEE Conference on Decision and Control - CDC'09, Shangai, China, December 2009


Distributed algorithms for basis pursuit

J. Mota, J. Xavier, P. Aguiar and M. Püschel

2nd International Workshop on Signal Processing with Adaptive Sparse Structured Representations, Saint-Malo, France, April 2009


Factorization for non-rigid and articulated structure using metric projections

M. Paladini, A. del Bue, M. Stosic, M. Dodig, J. Xavier and L. Agapito

IEEE Computer Society Conference on Computer Vision and Pattern Recoginition - CVPR'09, Miami, Florida, USA, June 2009


Reconstruction of isometrically deformable flat surfaces in 3D from multiple camera images

R. Ferreira, J. Xavier and J. P. Costeira

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'09, Taipei, Taiwan, April 2009


Shape from motion of nonrigid objects: the case of isometrically deformable flat surfaces

R. Ferreira, J. Xavier and J. P. Costeira

British Machine Vision Conference - BMVC'09, London, England, September 2009


Codebook design for communication in spread and nonspread space-time block codes-based systems

M. Beko, J. Xavier and V. Barroso

6th IEEE International Symposium on Wireless Communication Systems - ISWCS'09, Siena-Tuscany, Italy, September 2009


ML based sensor network localization and tracking: batch and time-recursive approaches

P. Ekim, J. Gomes, J. Xavier and P. Oliveira

17th European Signal Processing Conference - EUSIPCO'09, Glasgow, Scotland, August 2009


2D-3D registration of deformable shapes with manifold projection

A. del Bue, M. Stosic, M. Dodig and J. Xavier

IEEE International Conference on Image Processing - ICIP'09, Cairo, Egypt, November 2009


On minimizing a quadratic function on Stiefel manifolds

M. Dodig, M. Stosic and J. Xavier

Technical report, Signal and Image Processing Group (SPIG), Institute for Systems and Robotics (ISR), April 2009


2008


On singular values of partially prescribed matrices

P. Aguiar, M. Stosic and J. Xavier

Linear Algebra and Its Applications, vol. 429, no.8-9, pp. 2136-2145, October 2008


Further results on the capacity and error probability analysis of non-coherent MIMO systems in the low SNR regime

M. Beko, J. Xavier and V. Barroso

IEEE Transactions on Signal Processing, vol. 56, no.7, pp. 2915-2930, 2008


Spectrally optimal factorization of incomplete matrices

P. Aguiar, J. Xavier and M. Stosic

IEEE Computer Society Conference on Computer Vision and Pattern Recoginition - CVPR'08, Anchorage, Alaska, USA, June 2008


ANSIG: an analytic signature for permutation-invariant two-dimensional shape representation

J. Rodrigues, J. Xavier and P. Aguiar

IEEE Computer Society Conference on Computer Vision and Pattern Recoginition - CVPR'08, Anchorage, Alaska, USA, June 2008


Low SNR analysis of the non-coherent MIMO channel under arbitrary channel and noise correlation structures

M. Beko, J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'08, Recife, Brazil, July 2008


Classification of unlabeled point sets using ANSIG

J. Rodrigues, J. Xavier and P. Aguiar

IEEE International Conference on Image Processing - ICIP'08, San Diego, California, USA, October 2008


Globally optimal solution to exploit rigidity when recovering structure from motion under occlusion

P. Aguiar, J. Xavier and M. Stosic

IEEE International Conference on Image Processing - ICIP'08, San Diego, California, USA, October 2008

DoCoMo USA Labs Innovative Paper Award


LASIC: a model invariant framework for correspondence

B. Pires, J. M. F. Moura and J. Xavier

IEEE International Conference on Image Processing - ICIP'08, San Diego, California, USA, October 2008


Detection of statistical periodicities in DNA by conflict and entropy minimization methods

N. Monteiro, J. Gomes and J. Xavier

16th European Signal Processing Conference - EUSIPCO'08, Lausanne, Switzerland, August 2008


Convex ultrasound image reconstruction with log-Euclidean priors

J. Seabra, J. Xavier and J. Sanches

30th conference of the IEEE Engineering in Medicine and Biology Society - EMBS'08, Vancouver, Canada, August 2008


Fluorescence confocal microscopy imaging denoising with photobleaching

I. Rodrigues, J. Xavier and J. Sanches

30th conference of the IEEE Engineering in Medicine and Biology Society - EMBS'08, Vancouver, Canada, August 2008


Newton algorithms for Riemannian distance related problems on connected locally symmetric manifolds

R. Ferreira, J. Xavier, J. Costeira and V. Barroso

Technical report, Signal and Image Processing Group (SPIG), Institute for Systems and Robotics (ISR), November 2008


2007


Non-coherent communication in multiple-antenna systems: receiver design and codebook construction

M. Beko, J. Xavier and V. Barroso

IEEE Transactions on Signal Processing, vol. 55, no. 12, pp. 5703-5715, December 2007


Multi-view correspondence by enforcement of rigidity constraints

R. Oliveira, J. Xavier and J. Costeira

Image and Vision Computing, vol. 25, no. 6, pp. 1008-1020, 2007


Capacity and error probability analysis of non-coherent MIMO systems in the low SNR regime

M. Beko, J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'07, Honolulu, Hawai, USA, April 2007


2006


On the generalization of AR processes to Riemannian manifolds

J. Xavier and J. Manton

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'06, Toulouse, France, May 2006


Codebook design for non-coherent communication in multiple-antenna systems

M. Beko, J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'06, Toulouse, France, May 2006


Newton method for Riemannian centroid computation in naturally reductive homogeneous spaces

R. Ferreira, J. Xavier, J. P. Costeira and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'06, Toulouse, France, May 2006


Maximum likelihood attitude and position estimation from pseudo-range measurements using geometric descent optimization

A. Alcocer, P. Oliveira, A. Pascoal and J. Xavier

IEEE Conference on Decision and Control - CDC'06, San Diego, CA, USA, December 2006


Codebook design for the non-coherent GLRT receiver and low SNR MIMO block fading channel

M. Beko, J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'06, Cannes, France, July 2006


Estimation of attitude and position from range only measurements using geometric descent optimization on the special Euclidean group

A. Alcocer, P. Oliveira, A. Pascoal and J. Xavier

9th International Conference on Information Fusion - FUSION'06, Florence, Italy, July 2006


Hessian of the Riemannian squared-distance function on connected locally symmetric spaces with applications

R. Ferreira and J. Xavier

7th Portuguese Conference on Automatic Control, special session on Control, Optimization and Computation, CONTROLO'06, Lisbon, Portugal, September 2006


2005


Intrinsic variance lower bound (IVLB): an extension of the Cramer-Rao bound to Riemannian manifolds

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'05, Philadelphia, USA, May 2005


Optimal point correspondence through the use of rank constraints

R. Oliveira, J. Costeira and J. Xavier

IEEE Computer Society Conference on Computer Vision and Pattern Recoginition - CVPR'05, San Diego, USA, June 2005


Contour point tracking by enforcement of rigidity constraints

R. Oliveira, J. Costeira and J. Xavier

IEEE International Conference on 3D Digital Imaging and Modeling - 3DIM'05, Ottawa, Canada, June 2005


2004


The Riemannian geometry of certain parameter estimation problems with singular Fisher information matrices

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'04, Montreal, Canada, May 2004


New Statistical bound for inference problems on Riemannian manifolds

J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'04, Lisbon, Portugal, July 2004

Special plenary session on Differential Geometric Methods in Signal Processing, sponsored by the US NSF


Geodesic lower bound for parametric estimation with constraints

J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'04, Lisbon, Portugal, July 2004


2003


Exploiting 2nd order statistics in Bayesian signal reconstruction problems

P. Lopes, J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'03, Hong-Kong, April 2003


Blind symbol detection and channel acquisition in fast-fading wireless systems with space diversity

T. Patrao, J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'03, Hong-Kong, April 2003


An interior point algorithm for joint symbol detection and multichannel acquisition in fast-fading narrowband channels

J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'03, Rome, Italy, June 2003


2002


Blind Identification of MIMO Channels Based on 2nd Order Statistics and Colored Inputs: The Riemannian Geometry of Algorithms, Performance Analysis and Bounds over the Quotient Manifold of Identifiable Channel Classes

J. Xavier

PhD Thesis, Instituto Superior Técnico, Lisbon, Portugal, December 2002


Intrinsic distance lower bound for unbiased estimators on Riemannian manifolds

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'02, Orlando, USA, May 2002


Prewhitening of mixing matrices: impact on the contraction of their probability mass priors

J. Xavier, V. Barroso, P. Lopes and T. Patrao

IEEE International Symposium on Information Theory - ISIT'02, Lausanne, Switzerland, 2002


Blind source separation and channel identification: exploiting 2nd-order statistics in Bayesian frameworks

J. Xavier, V. Barroso and P. Lopes

International Telecommunications Symposium - ITS'02, Natal, Brazil, September 2002


Joint symbol detection and multi-channel acquisition in fast-fading narrowband wireless environments

J. Xavier, V. Barroso and T. Patrao

International Telecommunications Symposium - ITS'02, Natal, Brazil, September 2002


2001


Closed-form correlative coding (CFC2) blind identification of MIMO Channels: isometry fitting to second order statistics

J. Xavier, V. Barroso and J. M. F. Moura

IEEE Transactions on Signal Processing, vol. 49, no. 5, pp. 1073-1086, 2001


Blind Channel Identification and Source Separation in SDMA Systems

V. Barroso, J. Xavier and J. M. F. Moura

Book chapter, Spatial Diversity and Source Estimation, in Antennas Wireless Communications Handbook, Ed. Lal C. Godara, CRC Press, 2001


Performance analysis of a second order statistics based solution for the MIMO channel identification problem

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'01, Salt Lake City, USA, May 2001


Second-order blind MIMO channel identification based on correlative coding: asymptotic performance analysis

J. Xavier and V. Barroso

IEEE International Symposium on Information Theory - ISIT'01, Washington, USA, 2001


Blind identification of MIMO channels based on correlative coding: performance analysis

J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'01, Taiwan, March 2001


2000


A semi-blind maximum likelihood approach for resolving linear convolutive mixtures

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'00, Istambul, Turkey, June 2000


Blind identification on MIMO systems based on source correlative filtering

J. Xavier and V. Barroso

IEEE International Symposium on Information Theory - ISIT'00, Sorrento, Italy, July 2000


Semi-blind maximum likelihood separation of linear convolutive mixtures

J. Xavier and V. Barroso

IEEE Workshop on Statistical Signal and Array Processing - SSAP'00, Pennsylvania, USA, August 2000


1999


A channel order independent method for blind equalization of MIMO systems

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'99, Phoenix, USA, March 1999


Correlative coding approach for blind identification of MIMO Systems

J. Xavier and V. Barroso

IEEE International Workshop on Signal Processing Advances for Wireless Communications - SPAWC'99, Annapolis, USA, May 1999


Blind identification of MIMO channels: a closed form solution based on second-order statistics

V. Barroso and J. Xavier

Asilomar Conference on Signals, Systems and Computers, California, USA, October 1999


Polyhedral concepts for deterministic blind separation of binary sources

J. Xavier and V. Barroso

Asilomar Conference on Signals, Systems and Computers, California, USA, October 1999


Joint symbol detection and multi-channel acquisition in fast-fading narrowband wireless environments

J. Xavier and V. Barroso

IEEE Global Telecommunications Conference - GLOBECOM'99, Rio de Janeiro, Brazil, December 1999


1998


Blind array channel division multiple access (AChDMA) for mobile communications

V. Barroso, J. M. F. Moura and J. Xavier

IEEE Transactions on Signal Processing, vol. 46, no. 3, pp. 737-752, 1998


Closed-form blind channel identification and source separation in SDMA systems through correlative coding

J. Xavier, V. Barroso and J. M. F. Moura

IEEE Journal on Selected Areas in Communications, vol. 16, no. 8, pp. 1506-1517, 1998


Blind source separation, ISI Cancellation and carrier phase recovey in SDMA Systems for mobile communications

J. Xavier and V. Barroso

Wireless Personal Communications, special issue on Wireless Broadband Communications, vol. 10, pp. 53-76, Kluwer Academic Publishers, 1998


Closed-form blind identification of MIMO systems

J. Xavier, V. Barroso and J. M. F. Moura

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'98, Seattle, USA, May 1998


Low complexity blind minimum variance zero forcing equalization of MIMO systems

J. Xavier and V. Barroso

IEEE International Symposium on Information Theory - ISIT'98, Boston, USA, August 1998


1997


Blind SDMA with a signal space geometry matched algorithm

J. Xavier and V. Barroso

IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP'97, Germany, April 1997