Conference Paper
M. Vecchio, López-Valcarce, R., and Marcelloni, F., An Effective Metaheuristic Approach to Node Localization in Wireless Sensor Networks, in IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS), 2011.PDF icon mass_final.pdf (279.61 KB)
D. Romero and López-Valcarce, R., Multiantenna detection of constant-envelope signals in noise of unknown variance, in IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2011, pp. 446 -450.PDF icon cm_detection.pdf (1005.48 KB)
D. Ramírez, Vázquez-Vilar, G., López-Valcarce, R., Vía, J., and Santamaría, I., Multiantenna detection under noise uncertainty and primary user's spatial structure, in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Prage, Czech Republic, 2011, pp. 2948-2951.PDF icon icassp2011prague_v3.pdf (245.67 KB)
Journal Article
G. Vázquez-Vilar, López-Valcarce, R., and Sala, J., Multiantenna Spectrum Sensing Exploiting Spectral a priori Information, IEEE Trans. on Wireless Communications, vol. 10, no. 12, pp. 4345 - 4355, 2011.PDF icon mantennadetection.pdf (464.95 KB)
Conference Paper
M. Vecchio, López-Valcarce, R., and Marcelloni, F., Solving the Node Localization Problem in WSNs by a Two-objective Evolutionary Algorithm and Gradient Descent, in the 3-th IEEE World Congress on Nature and Biologically Inspired Computing (NaBIC 2011), 2011.PDF icon nabic2011.pdf (227.26 KB)
Journal Article
G. Vázquez-Vilar and López-Valcarce, R., Spectrum Sensing Exploiting Guard Bands and Weak Channels, IEEE Trans. on Signal Processing, vol. 59, no. 12, pp. 6045-6057, 2011.PDF icon double_submitted.pdf (373.72 KB)
Conference Paper
D. Ramírez, Vía, J., Santamaría, I., López-Valcarce, R., and Scharf, L. L., Multiantenna spectrum sensing: detection of spatial correlation among time-series with unknown spectra, in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Dallas, TX, 2010.PDF icon icassp2010_vdef.pdf (121.86 KB)
R. López-Valcarce, Vázquez-Vilar, G., and Sala, J., Multiantenna spectrum sensing for Cognitive Radio: overcoming noise uncertainty, in International Workshop on Cognitive Information Processing (CIP), Elba Island, Italy, 2010.PDF icon cip2010.pdf (184.49 KB)
Conference Paper
R. López-Valcarce, Vázquez-Vilar, G., and Álvarez-Díaz, M., Multiantenna detection of multicarrier primary signals exploiting spectral a priori information, in International Conference on Cognitive Radio Oriented Wireless Networks and Communications (Crowncom), Hannover, Germany, 2009.
R. López-Valcarce and Vázquez-Vilar, G., Wideband Spectrum Sensing in Cognitive Radio: Joint Estimation of Noise Variance and Multiple Signal Levels, in IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Perugia, Italy, 2009.
C. Mosquera, López-Valcarce, R., and Jayaweera, S. K., Distributed Estimation with Noisy Exchanges, in IEEE International Workshop on Signal Processing Advances in Wireless Communications, Recife, Brazil, 2008.
R. Elasmi-Ksibi, López-Valcarce, R., Besbes, H., Cherif, S., and Jaidane, M., A family of frequency estimators using higher-order sample covariance lags for real sinusoid detection, in European Signal Processing Conference (EUSIPCO), Lausanne, Switzerland, 2008.
B. E. Salem, López-Valcarce, R., Cherif, S., and Besbes, H., Lattice implementation of Sum-squared Auto-correlation Minimization (SAM) channel shortener, in European Signal Processing Conference (EUSIPCO), Lausanne, Switzerland, 2008.
R. López-Valcarce and Mosquera, C., Maximum Likelihood SNR Estimation for Asynchronously Oversampled OFDM Signals, in IEEE International Workshop on Signal Processing Advances in Wireless Communications, Recife, Brazil, 2008.