Publications

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Conference Papers
2012
J. Gutiérrez, J. Ibáñez, and J. Pérez, "Beamforming-based emulation of spatial and temporal correlated MISO channels", International Symposium on Signals, Systems and Electronics (ISSSE 2012), Potsdam, Germany, October, 2012. PDF icon PDF Version (282 KB)
S. Van Vaerenbergh, I. Santamaría, and M. Lázaro-Gredilla, "Estimation of the Forgetting Factor in Kernel Recursive Least Squares", 2012 IEEE International Workshop On Machine Learning For Signal Processing (MLSP), September, 2012. PDF icon PDF Version (241.23 KB)
D. Ramírez, P. J. Schreier, J. Vía, and I. Santamaría, "GLRT For Testing Separability Of A Complex-Valued Mixture Based On The Strong Uncorrelating Transform", 2012 IEEE International Workshop on Machine Learning for Signal Processing, Santander, Spain, September, 2012. PDF icon PDF Version (274.68 KB)
C. Lameiro, Ó. González, J. Vía, I. Santamaría, and R. W. Heath Jr., "Pre- and Post-FFT Interference Leakage Minimization for MIMO OFDM Networks", The Ninth International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, August, 2012. PDF icon PDF Version (209.65 KB)
J. Gutiérrez, J. Ibáñez, and J. Pérez, "Spatial correlation beamforming scheme for MISO channel emulation", International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, August, 2012. PDF icon PDF Version (330.21 KB)
J. Pérez, and M. Khodaian, "Optimal rate and delay performance in non-cooperative opportunistic spectrum access", 9th International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, August, 2012. PDF icon PDF Version (320.65 KB)
D. Romero, J. Vía, R. López-Valcarce, and I. Santamaría, "Detection of Gaussian Signal in Unknown Time-Varying Channels", IEEE Statistical Signal Processing Workshop (SSP 2012), Ann Arbor, USA, August, 2012. PDF icon PDF Version (403.13 KB)
J. Manco-Vásquez, M. Lázaro-Gredilla, D. Ramírez, J. Vía, and I. Santamaría, "Bayesian Multiantenna Sensing for Cognitive Radio", 7th IEEE Sensor Array and Multichannel Signal Processing Workshop, Hoboken, NJ, USA, June, 2012. PDF icon PDF Version (296.83 KB)
D. Ramírez, J. Iscar, J. Vía, I. Santamaría, and L. L. Scharf, "The Locally Most Powerful Invariant Test for Detecting a Rank-P Gaussian Signal in White Noise", 7th IEEE Sensor Array and Multichannel Signal Processing Workshop, Hoboken, NJ, USA, June, 2012. PDF icon PDF Version (378.62 KB)
C. Lameiro, J. Vía, and I. Santamaría, "A Distributed Algorithm for Two-Way Multiple-Relay Networks", IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2012), Hoboken, NJ, USA, June, 2012. PDF icon PDF Version (154.85 KB)
D. Ramírez, J. Vía, and I. Santamaría, "The Locally Most Powerful Test For Multiantenna Spectrum Sensing With Uncalibrated Receivers", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2012), Kyoto, Japan, March, 2012. PDF icon PDF Version (99.96 KB)
Ó. González, C. Lameiro, J. Vía, I. Santamaría, and R. W. Heath Jr., "Interference Leakage Minimization for Convolutive MIMO Interference Channels", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2012), Kyoto, Japan, March, 2012. PDF icon PDF Version (106.32 KB)
Ó. González, I. Santamaría, and C. Beltrán, "A general test to check the feasibility of linear interference alignment", IEEE International Symposium on Information Theory (ISIT 2012), Cambridge, MA, USA, July, 2012. PDF icon PDF Version (378.17 KB)
2011
G. Vazquez-Vilar, D. Ramírez, R. López-Valcarce, J. Vía, and I. Santamaría, "Spatial rank estimation in Cognitive Radio Networks with uncalibrated multiple antennas", 4th International Conference on Cognitive Radio and Advanced Spectrum Management, Barcelona, Spain, October, 2011. PDF icon PDF Version (140.69 KB)
J. Vía, M. Anderson, X. L. Li, and T. Adali, "A Maximum Likelihood Approach For Independent Vector Analysis of Gaussian Data Sets", IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2011), Beijing, China, September, 2011. PDF icon PDF Version (5.01 MB)
M. Lázaro-Gredilla, S. Van Vaerenbergh, and I. Santamaría, "A Bayesian Approach To Tracking With Kernel Recursive Least-Squares", IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2011), Beijing, China, September, 2011. PDF icon PDF Version (238.14 KB)
J. A. García-Naya, L. Castedo, Ó. González, D. Ramírez, and I. Santamaría, "Experimental Evaluation of Interference Alignment Under Imperfect Channel State Information", 19th European Signal Processing Conference (EUSIPCO 2011), Barcelona, Spain, August, 2011. PDF icon PDF Version (398.93 KB)
J. Vía, and L. Vielva, "Testing Quaternion Properness: Generalized Likelihood Ratios and Locally Most Powerful Invariants", 19th European Signal Processing Conference (EUSIPCO 2011), Barcelona, Spain, August, 2011. PDF icon PDF Version (417.51 KB)
M. Lázaro-Gredilla, and M. Titsias, "Variational Heteroscedastic Gaussian Process Regression", The 28th International Conference on Machine Learning, Bellevue, Washington, July, 2011. PDF icon PDF Version (559.4 KB)
D. Ramírez, J. Vía, I. Santamaría, and L. L. Scharf, "Multi-Sensor Beamsteering Based on the Asymptotic Likelihood for Colored Signals", IEEE Workshop on Statistical Signal Processing (SSP 2011), Nice, France, June, 2011. PDF icon PDF Version (448.28 KB)
J. Pérez, and J. Ibáñez, "Adaptive Modulation and Power in Wireless Communication Systems with Delay Constraints", IEEE Workshop on Statistical Signal Processing (SSP 2011), Nice, France, June, 2011. PDF icon PDF Version (395.95 KB)
Z. Stamenkovic, K. Tittelbach-Helmrich, M. Wickert, J. Ibáñez, S. Ruiz, and G. Dimosthenous, "Implementation, integration, and verification of MIMAX WLAN modem", 6th International Workshop on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC 2011), Montpellier, France, June, 2011. PDF icon PDF Version (621.84 KB)
Ó. González, and I. Santamaría, "Interference Alignment in Single-Beam MIMO Networks via Homotopy Continuation", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (141.96 KB)
A. Nazábal, J. Vía, and I. Santamaría, "Analog Antenna Combining in Multiuser OFDM Systems: Beamforming Design and Power Allocation", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (138.28 KB)
J. Arenas-García, and M. Lázaro-Gredilla, "Tracking Performance of Adaptively Biased Adaptive Filters", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (269.08 KB)
C. Lameiro, A. Nazábal, F. Gholam, J. Vía, and I. Santamaría, "Capacity Region of the Two-Way Multi-Antenna Relay Channel with Analog Tx-Rx Beamforming", 3rd International ICST Conference on Mobile Lightweight Wireless Systems (Mobilight 2011), Bilbao, Spain, May, 2011. PDF icon PDF Version (406.6 KB)
S. Van Vaerenbergh, I. Santamaría, and P E. Barbano, "Semi-Supervised Handwritten Digit Recognition Using Very Few Labeled Data", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (319.53 KB)
D. Ramírez, J. Vía, I. Santamaría, and L. L. Scharf, "Multiple-Channel Detection of a Gaussian Time Series over Frequency-Flat Channels", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (147.71 KB)
D. Ramírez, G. Vazquez-Vilar, R. López-Valcarce, J. Vía, and I. Santamaría, "Multiantenna Detection under Noise Uncertainty and Primary Users Spatial Structure", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (105.83 KB)
J. Vía, D. P. Palomar, L. Vielva, and I. Santamaría, "Maximum Likelihood ICA of Quaternion Gaussian Vectors", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (176.47 KB)
J. Vía, M. Anderson, X. L. Li, and T. Adali, "Joint Blind Source Separation from Second-Order Statistics: Necessary and Sufficient Identifiability Conditions", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), Prague, Czech Republic, May, 2011. PDF icon PDF Version (226.49 KB)
Ó. González, D. Ramírez, I. Santamaría, J. A. García-Naya, and L. Castedo, "Experimental Validation of Interference Alignment Techniques using a Multiuser MIMO Testbed", International ITG Workshop on Smart Antennas (WSA 2011), Aachen, Germany, February, 2011. PDF icon PDF Version (1.39 MB)
2010
I. Santamaría, Ó. González, R. W. Heath Jr., and S. W. Peters, "Maximum sum-rate interference alignment algorithms for MIMO channels", IEEE Global Communications Conference (GLOBECOM 2010), Miami, FL, USA, December, 2010. PDF icon PDF Version (213.64 KB)
V. Elvira, J. Ibáñez, I. Santamaría, M. Krstic, K. Tittelbach-Helmrich, and Z. Stamenkovic, "Baseband processor for RF-MIMO WLAN", 17th IEEE International Conference on Electronics, Circuits, and Systems (ICECS 2010), Athens, Greece, December, 2010. PDF icon PDF Version (343.31 KB)
Z. Stamenkovic, K. Tittelbach-Helmrich, M. Krstic, J. Ibáñez, V. Elvira, and I. Santamaría, "MAC and Baseband Hardware Platforms for RF-MIMO WLAN", 5th European Conference on Circuits and Systems for Communications, Belgrade, Serbia, November, 2010. PDF icon PDF Version (400.8 KB)
D. Ramírez, J. Vía, and I. Santamaría, "Multiantenna spectrum sensing: The case of wideband rank-one primary signals", 6th IEEE Sensor Array and Multichannel Signal Processing Workshop, Israel, October, 2010. PDF icon PDF Version (243.67 KB)
J. Vía, L. Vielva, I. Santamaría, and D. P. Palomar, "Independent Component Analysis of Quaternion Gaussian Vectors", 6th IEEE Sensor Array and Multichannel Signal Processing Workshop, Israel, October, 2010. PDF icon PDF Version (335.19 KB)
Ó. González, and I. Santamaría, "Maximum Sum-Rate Interference Alignment Schemes for the 3-user Deterministic MIMO Channel", 2nd International ICST Conference on Mobile Networks and Management (MONAMI 2010), Santander, Spain, September, 2010. PDF icon PDF Version (148.75 KB)
J. Vía, D. Ramírez, I. Santamaría, and L. Vielva, "Improperness Measures for Quaternion Random Vectors", IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2010), Kittilä, Finland, August, 2010. PDF icon PDF Version (370.95 KB)
I. Santamaría, J. Vía, A. Nazábal, and C. Lameiro, "Capacity region of the multiantenna Gaussian broadcast channel with analog TX-RX beamforming", 5th International ICST Conference on Communications and Networking in China (CHINACOM), Beijing, China, August, 2010. PDF icon PDF Version (358.27 KB)
Ó. González, J. Gutiérrez, J. Ibáñez, L. Vielva, and R. Eickhoff, "Experimental evaluation of an RF-MIMO transceiver for 802.11a WLAN", Future Network and MobileSummit 2010, Florence, Italy, June, 2010. PDF icon PDF Version (291.27 KB)
J. Vía, I. Santamaría, V. Elvira, and R. Eickhoff, "A general Pre-FFT criterion for MIMO-OFDM beamforming", IEEE International Conference on Communications (ICC 2010), Cape Town, South Africa, May, 2010. PDF icon PDF Version (178.52 KB)
F. Gholam, J. Vía, A. Nazábal, and I. Santamaría, "Equal-Phase beamforming architecture for RF-MIMO antenna systems", 2nd International ICST Conference on Mobile Lightweight Wireless Systems (Mobilight 2010), Barcelona, Spain, May, 2010. PDF icon PDF Version (226.59 KB)
Á. Gonzalo, I. Santamaría, J. Vía, F. Gholam, and R. Eickhoff, "Equal Gain MIMO beamforming in the RF domain for OFDM-WLAN systems", 2nd International ICST Conference on Mobile Lightweight Wireless Systems (Mobilight 2010), Barcelona, Spain, May, 2010. PDF icon PDF Version (370.15 KB)
S. Van Vaerenbergh, I. Santamaría, W. Liu, and J. C. Príncipe, "Fixed-Budget Kernel Recursive Least-Squares", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2010), Dallas, USA, March, 2010. PDF icon PDF Version (235.93 KB)
J. Vía, D. Ramírez, I. Santamaría, and L. Vielva, "Widely and semi-widely linear processing of quaternion vectors", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010), Dallas, USA, March, 2010. PDF icon PDF Version (149.23 KB)
D. Ramírez, J. Vía, I. Santamaría, R. López-Valcarce, and L. L. Scharf, "Multiantenna Spectrum Sensing: Detection of Spatial Correlation Among Time-Series With Unknown Spectra", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010), Dallas, USA, March, 2010. PDF icon PDF Version (225.59 KB)
L. Vielva, J. Vía, J. Gutiérrez, Ó. González, J. Ibáñez, and I. Santamaría, "Building a Web Platform for Learning Advanced Digital Communications using a MIMO Testbed", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2010), Dallas, USA, March, 2010. PDF icon PDF Version (340.67 KB)
2009
D. Ramírez, J. Vía, and I. Santamaría, "Coherent Fusion of Information for Optimal Detection in Sensor Networks", IEEE Workshop on Statistical Signal Processing (SSP 09), Cardiff, UK, September, 2009. PDF icon PDF Version (426.64 KB)
S. Van Vaerenbergh, I. Santamaría, P E. Barbano, U. Ozertem, and D. Erdogmus, "Path-Based Spectral Clustering for Decoding Fast Time-Varying MIMO Channels", 2009 International Workshop on Machine Learning for Signal Processing (MLSP), Grenoble, France, September, 2009. PDF icon PDF Version (286.89 KB)

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