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Ignacio Santamaría

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Journal Article
Cuevas, D., J. Alvarez-Vizoso, C. Beltrán, I. Santamaría, V. Tucek, and G. Peters, "Union Bound Minimization Approach for Designing Grassmannian Constellations", IEEE Transactions on Communications, vol. 71, issue 4, pp. 1940-1952, April, 2023. PDF icon PDF Version (4.43 MB)
Pérez, J., J. Ibáñez, L. Vielva, D J. Pérez-Blanco, and I. Santamaría, "Tight closed-form approximation for the ergodic capacity of orthogonal STBC", IEEE Transactions on Wireless Communications, vol. 6, no. 2, pp. 452–457, February, 2007. PDF icon PDF Version (298.66 KB)
Ramírez, D., D. Romero, J. Vía, R. López-Valcarce, and I. Santamaría, "Testing Equality of Multiple Power Spectral Densities", IEEE Transactions on Signal Processing, vol. 66, issue 23, pp. 6268-6280, December, 2018. PDF icon PDF Version (2.89 MB)
Ramírez, D., P. J. Schreier, J. Vía, and I. Santamaría, "Testing blind separability of complex Gaussian mixtures", Signal Processing, vol. 95, issue 2, pp. 49–57, February, 2014. PDF icon PDF Version (524.56 KB)
Lázaro, M., I. Santamaría, F. Pérez-Cruz, and A. Artés, "Support vector regression for the simultaneous learning of a multivariate function and its derivatives", Neurocomputing, vol. 69, pp. 42–61, 2005. PDF icon PDF Version (316.39 KB)
Garg, V., I. Santamaría, D. Ramírez, and L. L. Scharf, "Subspace Averaging and Order Determination for Source Enumeration", IEEE Transactions on Signal Processing, vol. 67, issue 11, pp. 3028-3041, June, 2019. PDF icon PDF Version (660.41 KB)
Lázaro, M., I. Santamaría, D. Erdogmus, K. E. Hild II, C. Pantaleón, and J. C. Príncipe, "Stochastic blind equalization based on pdf fitting using Parzen estimator", IEEE Transactions on Signal Processing, vol. 53, no. 2, pp. 696–704, February, 2005. PDF icon PDF Version (502.46 KB)
Alvarez-Vizoso, J., C. Beltrán, D. Cuevas, I. Santamaría, V. Tucek, and G. Peters, "Statistical Characterization of the Chordal Product Determinant of Grassmannian Codes", Information and Inference: A journal of the IMA, vol. 12, issue 3, September, 2023. PDF icon PDF Version (218.22 KB)
Van Vaerenbergh, S., and I. Santamaría, "A spectral clustering approach to underdetermined post-nonlinear blind source separation of sparse sources", IEEE Transactions on Neural Networks, vol. 17, no. 3, pp. 811–814, May, 2006. PDF icon PDF Version (163.21 KB)
Soleymani, M., I. Santamaría, and E. Jorswieck, "Spectral and Energy Efficiency Maximization of MISO STAR-RIS-Assisted URLLC Systems", IEEE Access, vol. 1, pp. 70833-70852, July, 2023. PDF icon PDF Version (1.35 MB)
Lameiro, C., W. Utschick, and I. Santamaría, "Spatial interference shaping for underlay MIMO cognitive networks", Signal Processing, vol. 134, pp. 174-184, 2017. PDF icon PDF Version (364.64 KB)
Santamaría, I., C. Pantaleón, and A. Artés, "Sparse Deconvolution Using Adaptive Mixed-Gaussian Models", Signal Processing (EURASIP), vol. 54, pp. 161–172, 1996. PDF icon PDF Version (1.02 MB)
Santamaría, I., M. Soleymani, E. Jorswieck, and J. Gutiérrez, "SNR Maximization in Beyond Diagonal RIS-assisted Single and Multiple Antenna Links", IEEE Signal Processing Letters, vol. 30, pp. 923-926, August, 2023. PDF icon PDF Version (302.09 KB)
Lázaro, M., I. Santamaría, C. Pantaleón, A. Mediavilla, A. Tazón, and C. Navarro, "Smoothing the Canonical Piecewise-Linear Model: An Efficient and Derivable Large-Signal Model for MESFET/HEMT Transistors", IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, vol. 48, no. 2, pp. 184–192, February, 2001. PDF icon PDF Version (194.37 KB)
Díez, J., C. Pantaleón, L. Vielva, I. Santamaría, and J. Ibáñez, "A Simple Expression for the Optimization of Spread-Spectrum Code Acquisition Detectors Operating in the Presence of Carrier-Frequency Offset", IEEE Transactions on Communications, vol. 52, no. 4, pp. 550–552, April, 2004. PDF icon PDF Version (135.02 KB)
Van Vaerenbergh, S., I. Santamaría, and P E. Barbano, "Semi-Supervised Object Recognition Based on Connected Image Transformations", Expert Systems with Applications, vol. 40, pp. 7069--7079, December, 2013. PDF icon PDF Version (339.82 KB)
Santamaría, I., L. L. Scharf, and D. Ramírez, "Scale-Invariant Subspace Detectors based on First and Second-Order Statistical Models", IEEE Transactions on Signal Processing, vol. 68, pp. 6432-6443, 2020. PDF icon PDF Version (2.64 MB)
Soleymani, M., C. Lameiro, I. Santamaría, and P. J. Schreier, "Robust Improper Signaling for Two-user SISO Interference Channels", IEEE Transactions on Communications, vol. 67, issue 7, pp. 4709-4723, July, 2019. PDF icon PDF Version (1.14 MB)
Gaudes, C. C., I. Santamaría, J. Vía, E. Masgrau, and T. Sese, "Robust array beamforming with sidelobe control using support vector machines", IEEE Transactions on Signal Processing, vol. 55, no. 2, pp. 574–584, February, 2007. PDF icon PDF Version (1.54 MB)
Lázaro, M., I. Santamaría, C. Pantaleón, J. Ibáñez, and L. Vielva, "A regularized technique for the simultaneous reconstruction of a function and its derivatives with application to nonlinear transistor modeling", Signal Processing, vol. 83, pp. 1859–1870, 2003. PDF icon PDF Version (1.15 MB)
Ramírez, D., and I. Santamaría, "Regularised approach to detection of constant modulus signals in MIMO channels", Electronic Letters, vol. 42, no. 3, pp. 184–186, February, 2006. PDF icon PDF Version (81.58 KB)
Soleymani, M., I. Santamaría, and E. Jorswieck, "Rate Splitting in MIMO RIS-assisted Systems with Hardware Impairments and Improper Signaling", IEEE Transactions on Vehicular Technology, vol. 72, issue 4, pp. 4580-4597, April, 2023. PDF icon PDF Version (3.3 MB)
Lameiro, C., I. Santamaría, and P. J. Schreier, "Rate Region Boundary of the SISO Z-interference Channel with Improper Signaling", IEEE Transactions on Communications, vol. 65, issue 3, pp. 1022-1024, March, 2017. PDF icon PDF Version (376.74 KB)
Vía, J., D. P. Palomar, L. Vielva, and I. Santamaría, "Quaternion ICA From Second-Order Statistics", IEEE Transactions on Signal Processing, vol. 59, no. 4, pp. 1586–1600, April, 2011. PDF icon PDF Version (1.42 MB)
González, Ó., C. Lameiro, and I. Santamaría, "A Quadratically Convergent Method for Interference Alignment in MIMO Interference Channels", IEEE Signal Processing Letters, vol. 21, issue 11, pp. 1423-1427, November, 2014. PDF icon PDF Version (811.96 KB)
Vía, J., D. Ramírez, and I. Santamaría, "Properness and Widely Linear Processing of Quaternion Random Vectors", IEEE Transactions on Information Theory, vol. 56, no. 7, pp. 3502–3515, July, 2010. PDF icon PDF Version (440.87 KB)
Pérez, J., J. Ibáñez, J. Vía, and I. Santamaría, "Performance Analysis of SNR-Based Scheduling Policies in Asymmetric Broadcast Ergodic Fading Channel", EURASIP Journal on Wireless Communications and Networking, 2009. PDF icon PDF Version (426.74 KB)
Gimenez-Febrer, P., A. Pages-Zamora, and I. Santamaría, "Passive sampling in reproducing kernel Hilbert spaces using leverage scores", Signal Processing, vol. 199, May, 2022. PDF icon PDF Version (1.1 MB)
Santamaría, I., L. L. Scharf, J. Vía, Y. Wang, and H. Wang, "Passive Detection of Correlated Subspace Signals in Two MIMO Channels", IEEE Transactions on Signal Processing, vol. 65, issue 20, pp. 5266-5280, October, 2017. PDF icon PDF Version (1.22 MB)
Garg, V., A. Pages-Zamora, and I. Santamaría, "Order Estimation via Matrix Completion for Multi-Switch Antenna Selection", IEEE Signal Processing Letters, vol. 28, pp. 2063-2067, 2021. PDF icon PDF Version (278.65 KB)
Soleymani, M., I. Santamaría, E. Jorswieck, and B. Clerckx, "Optimization of Rate-Splitting Multiple Access in Beyond Diagonal RIS-assisted URLLC Systems", IEEE Transactions on Wireless Communications, 2023. PDF icon PDF Version (4.08 MB)
Pantaleón, C., D. Luengo, and I. Santamaría, "Optimal Estimation of Chaotic Signals Generated by Piecewise-Linear Maps"", IEEE Signal Processing Letters, vol. 7, no. 8, pp. 235–237, August, 2000. PDF icon PDF Version (84.17 KB)
López-Higuera, J. M., A. Cobo, M. A. Morante, F. J. Madruga, I. Santamaría, C. Pantaleón, and J. Ibáñez, "Optical Sensors and Their Fusion in a Quasi-Smart Structure for Real-Time Monitoring and Predictive Maintenance of Large Power Electric Power Generators", Journal of Intelligent Material Systems and Structures, vol. 9, no. 11, pp. 938–946, November, 1999. PDF icon PDF Version (1.49 MB)
González, Ó., C. Beltrán, and I. Santamaría, "On the Number of Interference Alignment Solutions for the K-User MIMO Channel with Constant Coefficients", IEEE Transaction on Information Theory, vol. 61, issue 11, pp. 6028-6048, November, 2015. PDF icon PDF Version (1.22 MB)
Ibáñez, J., C. Pantaleón, I. Santamaría, T. Fernández, and D. Martínez, "Nonlinearity Estimation in Power Amplifiers Based on Subsampled Temporal Data", IEEE Transactions on Instrumentation and Measurement, vol. 50, no. 4, pp. 882–887, August, 2001. PDF icon PDF Version (133.58 KB)
Van Vaerenbergh, S., J. Vía, and I. Santamaría, "Nonlinear System Identification using a New Sliding-Window Kernel RLS Algorithm", Journal of Communications, vol. 2, no. 3, pp. 1–8, May, 2007. PDF icon PDF Version (655.52 KB)
Santamaría, I., M. Lázaro, C. Pantaleón, J. A. García, A. Tazón, and A. Mediavilla, "A Nonlinear MESFET Model for Intermodulation Analysis Using a Generalized Radial Basis Function Network", Neurocomputing, vol. 25, pp. 1–18, 1999. PDF icon PDF Version (586.66 KB)
Soleymani, M., I. Santamaría, E. Jorswieck, and S. Rezvani, "NOMA-based Improper Signaling for Multicell MISO RIS-assisted Broadcast Channels", IEEE Transactions on Signal Processing, vol. 71, pp. 963-978, 2023. PDF icon PDF Version (1.11 MB)
Vía, J., I. Santamaría, J. Pérez, and L. Vielva, "A New Subspace Method for Blind Estimation of Selective MIMO-STBC Channels", Wireless Communications and Mobile Computing, vol. 10, no. 11, pp. 1478–1492, November, 2010. PDF icon PDF Version (286.14 KB)
Lázaro, M., I. Santamaría, and C. Pantaleón, "A New EM-Based Training Algorithm for RBF Networks", Neural Networks, vol. 16, no. 1, pp. 69–77, 2003. PDF icon PDF Version (177.15 KB)
Lázaro, M., I. Santamaría, and C. Pantaleón, "Neural Networks for Large and Small-Signal Modeling of MESFET/HEMT Transistors", IEEE Transactions on Instrumentation and Measurement, vol. 50, no. 6, pp. 1587–1593, December, 2001. PDF icon PDF Version (166.91 KB)
Elvira, V., and I. Santamaría, "Multiple Importance Sampling for Symbol Error Rate Estimation of Maximum-Likelihood Detectors in MIMO Channels", IEEE Transactions on Signal Processing, vol. 69, pp. 1200-1212, March, 2021. PDF icon PDF Version (2.19 MB)
Elvira, V., and I. Santamaría, "Multiple Importance Sampling for Efficient Symbol Error Rate Estimation", IEEE Signal Processing Letters, vol. 26, issue 3, pp. 420-424, March, 2019. PDF icon PDF Version (333.59 KB)
Luengo, D., C. Pantaleón, I. Santamaría, L. Vielva, and J. Ibáñez, "Multiple Composite Hypotheses Testing: A Competitive Approach", Journal of VLSI Signal Processing-Systems for Signal, Image, and Video Technology, (Ed. Kluwer), vol. 37, pp. 319–331, June, 2004. PDF icon PDF Version (344.08 KB)
Ramírez, D., I. Santamaría, L. L. Scharf, and S. Van Vaerenbergh, "Multi-Channel Factor Analysis with Common and Unique Factors", IEEE Transactions on Signal Processing, vol. 68, issue 1, pp. 113-126, 2020. PDF icon PDF Version (2.53 MB)
Santamaría, I., J. Ibáñez, M. Lázaro, C. Pantaleón, and L. Vielva, "Modeling nonlinear power amplifiers in OFDM systems form subsampled data: A comparative study using real measurements", EURASIP Journal on Applied Signal Processing,, vol. 12, pp. 1219–1228, November, 2003. PDF icon PDF Version (1.18 MB)
García, J. A., A. Tazón, A. Mediavilla, I. Santamaría, M. Lázaro, C. Pantaleón, and J. C. Pedro, "Modeling MESFETs and HEMTs Intermodulation Distortion Behavior Using a GRBF Network", International Journal of RF and Microwave Computer-Aided Design, vol. 9, pp. 261–276, 1999. PDF icon PDF Version (1.76 MB)
Santamaría, I., R. González, C. Pantaleón, and J. C. Príncipe, "Maximum Margin Equalizers Trained with the Adatron Algorithm", Signal Processing, vol. 83, pp. 593–602, 2003. PDF icon PDF Version (224.49 KB)
Lameiro, C., I. Santamaría, P. J. Schreier, and W. Utschick, "Maximally improper signaling in underlay MIMO cognitive radio networks", IEEE Transactions on Signal Processing, 2019. PDF icon PDF Version (425.57 KB)
Stamenkovic, Z., K. Tittelbach-Helmrich, M. Krstic, J. Ibáñez, V. Elvira, and I. Santamaría, "MAC and Baseband Processors for RF-MIMO WLAN", EURASIP Journal on Wireless Communications and Networking, December, 2011. PDF icon PDF Version (2 MB)

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