Blind Decoding of MISO-OSTBC Systems Based on Principal Component Analysis. - Javier Vía; Ignacio Santamaría; Jesús Pérez 001; David Ramírez 001 (ICASSP (4), 2006)

A Flexible Testbed for the Rapid Prototyping of MIMO Baseband Modules. - David Ramírez 001; Ignacio Santamaría; Jesús Pérez 001; Javier Vía; Antonio Tazón; José Antonio García-Naya; Tiago M. Fernández-Caramés; M. Gonzalez Lopez; Héctor J. Pérez-Iglesias; Luis Castedo (ISWCS, 2006)

Optimal MIMO transmission schemes with adaptive antenna combining in the RF path. - Ignacio Santamaría; Victor Elvira; Javier Vía; David Ramírez 001; Jesús Pérez 001; Jesús Ibáñez 002; R. Eickoff; Frank Ellinger (EUSIPCO, 2008)

A generalization of the magnitude squared coherence spectrum for more than two signals: definition, properties and estimation. - David Ramírez 001; Javier Vía; Ignacio Santamaría (ICASSP, 2008)

A comparative study of STBC transmissions at 2.4 GHz over indoor channels using a 2 × 2 MIMO testbed. - David Ramírez 001; Ignacio Santamaría; Jesús Pérez 001; Javier Vía; José Antonio García-Naya; Tiago M. Fernández-Caramés; Héctor J. Pérez-Iglesias; Miguel González-López; Luis Castedo; José M. Torres-Royo (Wirel. Commun. Mob. Comput., 2008)

Entropy and Kullback-Leibler divergence estimation based on Szegö's theorem. - David Ramírez 001; Javier Vía; Ignacio Santamaría; Pedro M. Crespo (EUSIPCO, 2009)

Multiantenna spectrum sensing: Detection of spatial correlation among time-series with unknown spectra. - David Ramírez 001; Javier Vía; Ignacio Santamaría; Roberto López-Valcarce; Louis L. Scharf (ICASSP, 2010)

Widely and semi-widely linear processing of quaternion vectors. - Javier Vía; David Ramírez 001; Ignacio Santamaría; Luis Vielva (ICASSP, 2010)

Properness and widely linear processing of quaternion random vectors. - Javier Vía; David Ramírez 001; Ignacio Santamaría (IEEE Trans. Inf. Theory, 2010)

Detection of spatially correlated Gaussian time series. - David Ramírez 001; Javier Vía; Ignacio Santamaría; Louis L. Scharf (IEEE Trans. Signal Process., 2010)

Spatial rank estimation in cognitive radio networks with uncalibrated multiple antennas. - Gonzalo Vazquez-Vilar; David Ramírez 001; Roberto López-Valcarce; Javier Vía; Ignacio Santamaría (CogART, 2011)

Experimental evaluation of Interference Alignment under imperfect channel state information. - José Antonio García-Naya; Luis Castedo; Oscar Gonzalez; David Ramírez 001; Ignacio Santamaría (EUSIPCO, 2011)

Multiantenna detection under noise uncertainty and primary user's spatial structure. - David Ramírez 001; Gonzalo Vazquez-Vilar; Roberto López-Valcarce; Javier Vía; Ignacio Santamaría (ICASSP, 2011)

Multiple-channel detection of a Gaussian time series over frequency-flat channels. - David Ramírez 001; Javier Vía; Ignacio Santamaría; Louis L. Scharf (ICASSP, 2011)

Experimental validation of Interference Alignment techniques using a multiuser MIMO testbed. - Óscar González; David Ramírez 001; Ignacio Santamaría; José Antonio García-Naya; Luis Castedo (WSA, 2011)

Frequency-Domain Methodology for Measuring MIMO Channels Using a Generic Test Bed. - Jesús Gutiérrez 002; Oscar Gonzalez; Jesús Pérez 001; David Ramírez 001; Luis Vielva; Jesús Ibáñez 002; Ignacio Santamaría (IEEE Trans. Instrum. Meas., 2011)

Detection of Rank- P Signals in Cognitive Radio Networks With Uncalibrated Multiple Antennas. - David Ramírez 001; Gonzalo Vazquez-Vilar; Roberto López-Valcarce; Javier Vía; Ignacio Santamaría (IEEE Trans. Signal Process., 2011)

The locally most powerful test for multiantenna spectrum sensing with uncalibrated receivers. - David Ramírez 001; Javier Vía Rodríguez; Ignacio Santamaría (ICASSP, 2012)

The random monogenic signal. - Sofia C. Olhede; David Ramírez 001; Peter J. Schreier (ICIP, 2012)

Bayesian multiantenna sensing for cognitive radio. - Julio Manco-Vásquez; Miguel Lázaro-Gredilla; David Ramírez 001; Javier Vía; Ignacio Santamaría (SAM, 2012)

The locally most powerful invariant test for detecting a rank-P Gaussian signal in white noise. - David Ramírez 001; Jorge Iscar; Javier Vía; Ignacio Santamaría; Louis L. Scharf (SAM, 2012)

GLRT for testing separability of a complex-valued mixture based on the Strong Uncorrelating Transform. - David Ramírez 001; Peter J. Schreier; Javier Vía; Ignacio Santamaría (MLSP, 2012)

Power-CCA: Maximizing the correlation coefficient between the power of projections. - David Ramírez 001; Peter J. Schreier; Javier Vía; Vadim V. Nikulin (ICASSP, 2013)

Measuring Directionality in Random Fields Using the Monogenic Signal - Sofia C. Olhede; David Ramírez 001; Peter J. Schreier (CoRR, 2013)

Locally Most Powerful Invariant Tests for Correlation and Sphericity of Gaussian Vectors. - David Ramírez 001; Javier Vía; Ignacio Santamaría; Louis L. Scharf (IEEE Trans. Inf. Theory, 2013)

A regularized maximum likelihood estimator for the period of a cyclostationary process. - David Ramírez 001; Peter J. Schreier; Javier Vía; Ignacio Santamaría; Louis L. Scharf (ACSSC, 2014)

An asymptotic GLRT for the detection of cyclostationary signals. - David Ramírez 001; Louis L. Scharf; Javier Vía; Ignacio Santamaría; Peter J. Schreier (ICASSP, 2014)

Optimizing spatial filters for the extraction of envelope-coupled neural oscillations. - Sven Dähne; Vadim V. Nikulin; David Ramírez 001; Peter J. Schreier; Klaus-Robert Müller; Stefan Haufe (PRNI, 2014)

Multi-antenna spectrum sensing by exploiting spatio-temporal correlation. - Sadiq Ali; David Ramírez 001; Magnus Jansson; Gonzalo Seco-Granados; José A. Lopez-Salcedo (EURASIP J. Adv. Signal Process., 2014)

Finding brain oscillations with power dependencies in neuroimaging data. - Sven Dähne; Vadim V. Nikulin; David Ramírez 001; Peter J. Schreier; Klaus-Robert Müller; Stefan Haufe (NeuroImage, 2014)

A Bayesian approach for adaptive multiantenna sensing in cognitive radio networks. - Julio Manco-Vásquez; Miguel Lázaro-Gredilla; David Ramírez 001; Javier Vía; Ignacio Santamaría (Signal Process., 2014)

Testing blind separability of complex Gaussian mixtures. - David Ramírez 001; Peter J. Schreier; Javier Vía; Ignacio Santamaría (Signal Process., 2014)

Detecting Directionality in Random Fields Using the Monogenic Signal. - Sofia Charlotta Olhede; David Ramírez 001; Peter J. Schreier (IEEE Trans. Inf. Theory, 2014)

An asymptotic LMPI test for cyclostationarity detection with application to cognitive radio. - David Ramírez 001; Peter J. Schreier; Javier Vía; Ignacio Santamaría; Louis L. Scharf (ICASSP, 2015)

Detection of Multivariate Cyclostationarity. - David Ramírez 001; Peter J. Schreier; Javier Vía; Ignacio Santamaría; Louis L. Scharf (IEEE Trans. Signal Process., 2015)

Bootstrap-based detection of the number of signals correlated across multiple data sets. - Tanuj Hasija; Yang Song 012; Peter J. Schreier; David Ramírez 001 (ACSSC, 2016)

Determining the number of signals correlated across multiple data sets for small sample support. - Yang Song 012; Tanuj Hasija; Peter J. Schreier; David Ramírez 001 (EUSIPCO, 2016)

Detection of cyclostationarity in the presence of temporal or spatial structure with applications to cognitive radio. - Aaron Pries; David Ramírez 001; Peter J. Schreier (ICASSP, 2016)

Detecting the dimension of the subspace correlated across multiple data sets in the sample poor regime. - Tanuj Hasija; Yang Song 012; Peter J. Schreier; David Ramírez 001 (SSP, 2016)

Canonical correlation analysis of high-dimensional data with very small sample support. - Yang Song 012; Peter J. Schreier; David Ramírez 001; Tanuj Hasija (Signal Process., 2016)

Detection of almost-cyclostationarity: An approach based on a multiple hypothesis test. - Stefanie Horstmann; David Ramírez 001; Peter J. Schreier (ACSSC, 2017)

Graph-signal reconstruction and blind deconvolution for diffused sparse inputs. - David Ramírez 001; Antonio G. Marques; Santiago Segarra (ICASSP, 2017)

An alternating optimization algorithm for two-channel factor analysis with common and uncommon factors. - David Ramírez 001; Ignacio Santamaría; Steven Van Vaerenbergh; Louis L. Scharf (ACSSC, 2018)

Demixing and Blind Deconvolution of Graph-Diffused Sparse Signals. - Fernando Jose Iglesias Garcia; Santiago Segarra; Samuel Rey-Escudero; Antonio G. Marques; David Ramírez 001 (ICASSP, 2018)

Locally Optimal Invariant Detector for Testing Equality of Two Power Spectral Densities. - David Ramírez 001; Daniel Romero 004; Javier Vía; Roberto López-Valcarce; Ignacio Santamaría (ICASSP, 2018)

Model-order Selection in Statistical Shape Models. - Alma Eguizabal; Peter J. Schreier; David Ramírez 001 (MLSP, 2018)

Subspace Averaging for Source Enumeration in Large Arrays. - Ignacio Santamaría; David Ramírez 001; Louis L. Scharf (SSP, 2018)

Joint Detection of Almost-Cyclostationary Signals and Estimation of Their Cycle Period. - Stefanie Horstmann; David Ramírez 001; Peter J. Schreier (IEEE Signal Process. Lett., 2018)

Testing Equality of Multiple Power Spectral Density Matrices. - David Ramírez 001; Daniel Romero 004; Javier Vía; Roberto López-Valcarce; Ignacio Santamaría (IEEE Trans. Signal Process., 2018)

LMPIT-Inspired Tests for Detecting a Cyclostationary Signal in Noise With Spatio-Temporal Structure. - Aaron Pries; David Ramírez 001; Peter J. Schreier (IEEE Trans. Wirel. Commun., 2018)

Two-channel passive detection of cyclostationary signals in noise with spatio-temporal structure. - Stefanie Horstmann; David Ramírez 001; Peter J. Schreier; Aaron Pries (ACSSC, 2019)

Two-Channel Passive Detection Exploiting Cyclostationarity. - Stefanie Horstmann; David Ramírez 001; Peter J. Schreier (EUSIPCO, 2019)

Source Enumeration in the Presence of Colored Noise. - Alma Eguizabal; Christian Lameiro; David Ramírez 001; Peter J. Schreier (IEEE Signal Process. Lett., 2019)

Assessment of e-Social Activity in Psychiatric Patients. - Pablo Bonilla-Escribano; David Ramírez 001; Alba Sedano-Capdevila; Juan José Campaña-Montes; Enrique Baca-García; Philippe Courtet; Antonio Artés-Rodríguez (IEEE J. Biomed. Health Informatics, 2019)

Subspace Averaging and Order Determination for Source Enumeration. - Vaibhav Garg; Ignacio Santamaría; David Ramírez 001; Louis L. Scharf (IEEE Trans. Signal Process., 2019)

Continual Learning for Infinite Hierarchical Change-Point Detection. - Pablo Moreno-Muñoz; David Ramírez 001; Antonio Artés-Rodríguez (ICASSP, 2020)

A General Test for the Linear Structure of Covariance Matrices of Gaussian Populations. - Yu-Hang Xiao; David Ramírez 001; Peter J. Schreier (ICASSP, 2020)

Modeling Phone Call Durations via Switching Poisson Processes with Applications in Mental Health. - Pablo Bonilla-Escribano; David Ramírez 001; Antonio Artés-Rodríguez (MLSP, 2020)

Two-Channel Passive Detection of Cyclostationary Signals. - Stefanie Horstmann; David Ramírez 001; Peter J. Schreier (IEEE Trans. Signal Process., 2020)

Multi-Channel Factor Analysis With Common and Unique Factors. - David Ramírez 001; Ignacio Santamaría; Louis L. Scharf; Steven Van Vaerenbergh (IEEE Trans. Signal Process., 2020)

Scale-Invariant Subspace Detectors Based on First- and Second-Order Statistical Models. - Ignacio Santamaría; Louis L. Scharf; David Ramírez 001 (IEEE Trans. Signal Process., 2020)

Sparse Subspace Averaging for Order Estimation. - Vaibhav Garg; David Ramírez 001; Ignacio Santamaría (SSP, 2021)

Change-point detection in hierarchical circadian models. - Pablo Moreno-Muñoz; David Ramírez 001; Antonio Artés-Rodríguez (Pattern Recognit., 2021)

Graph-signal Reconstruction and Blind Deconvolution for Structured Inputs. - David Ramírez 001; Antonio G. Marques; Santiago Segarra (Signal Process., 2021)

One-Bit Target Detection in Collocated MIMO Radar and Performance Degradation Analysis. - Yu-Hang Xiao; David Ramírez 001; Peter J. Schreier; Cheng Qian 001; Lei Huang 001 (IEEE Trans. Veh. Technol., 2022)

Online Detection and SNR Estimation in Cooperative Spectrum Sensing. - Jesús Pérez 001; Javier Vía; Luis Vielva; David Ramírez 001 (IEEE Trans. Wirel. Commun., 2022)

Identifiability in Multi-Channel Factor Analysis. - Gray Stanton; David Ramírez 001; Ignacio Santamaría; Louis L. Scharf; Haonan Wang (ACSSC, 2023)

Passive Detection of Rank-One Gaussian Signals for Known Channel Subspaces and Arbitrary Noise. - David Ramírez 001; Ignacio Santamaría; Louis L. Scharf (ICASSP, 2023)

Covariance Matrix Recovery From One-Bit Data With Non-Zero Quantization Thresholds: Algorithm and Performance Analysis. - Yu-Hang Xiao; Lei Huang 001; David Ramírez 001; Cheng Qian 001; Hing Cheung So (IEEE Trans. Signal Process., 2023)

A Bayesian-Inspired Approach to Passive Radar Detection. - David Ramírez 001; Joaquín Míguez; Ignacio Santamaría; Louis L. Scharf (IEEECONF, 2024)

Passive Detection with a Multi-Rank Beamformer of a Random Signal Common to Two Sensors. - David Ramírez 001; Ignacio Santamaría; Louis L. Scharf (IEEECONF, 2024)

Multistatic Passive Detection of Cyclostationary Signals. - Stefanie Horstmann; David Ramírez 001; Peter J. Schreier (ICASSP, 2024)

Multi-Channel Factor Analysis: Identifiability and Asymptotics. - Gray Stanton; David Ramírez 001; Ignacio Santamaría; Louis Scharf; Haonan Wang (IEEE Trans. Signal Process., 2024)

One-Bit Spectrum Sensing for Cognitive Radio. - Pei-Wen Wu; Lei Huang 001; David Ramírez 001; Yu-Hang Xiao; Hing Cheung So (IEEE Trans. Signal Process., 2024)

One-Bit Target Detection in Colocated MIMO Radar With Colored Background Noise. - Yu-Hang Xiao; David Ramírez 001; Lei Huang 001; Xiao Peng Li 005; Hing Cheung So (IEEE Trans. Signal Process., 2024)

Passive Detection of a Random Signal Common to Multi-Sensor Reference and Surveillance Arrays. - David Ramírez 001; Ignacio Santamaría; Louis L. Scharf (IEEE Trans. Veh. Technol., 2024)