Solapas principales

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M. Álvarez-Díaz, López-Valcarce, R., y Gómez-Alonso, I., «Blind l_1-Norm-Based Phase Estimation for Cross-QAM Robust to Finite Precision Effects», Signal Processing, vol. 90, pp. 2934-2948, 2010.Icono PDF phaserec08_v5_onecol.pdf (292.81 KB)
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R. Elasmi-Ksibi, Cherif, S., López-Valcarce, R., y Besbes, H., «Closed-form real single-tone frequency estimator based on a normalized IIR notch filter», Signal Processing, vol. 90, pp. 1905-1915, 2010.Icono PDF ieee_version_finale_july_2008.pdf (193.5 KB)
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B. E. Salem, López-Valcarce, R., Besbes, H., y Cherif, S., «A finite interval constant modulus criterion for multicarrier channel shortening», in European Wireless, Lucca, Italy, 2010.
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R. Elasmi-Ksibi, Besbes, H., López-Valcarce, R., y Cherif, S., «Frequency estimation of real-valued single-tone in colored noise using multiple autocorrelation lags», Signal Processing, vol. 90, pp. 2303-2307, 2010.Icono PDF colored_noise_letter.pdf (111 KB)
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W. Gappmair, López-Valcarce, R., y Mosquera, C., «Joint NDA Estimation of Carrier Frequency/Phase and SNR for Linearly Modulated Signals», IEEE Signal Processing Letters, vol. 17, pp. 517-520, 2010.Icono PDF double.pdf (97.54 KB)
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D. Ramírez, Vía, J., Santamaría, I., López-Valcarce, R., y 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.Icono PDF icassp2010_vdef.pdf (121.86 KB)
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R. López-Valcarce, Vázquez-Vilar, G., y Sala, J., «Multiantenna spectrum sensing for Cognitive Radio: overcoming noise uncertainty», in International Workshop on Cognitive Information Processing (CIP), Elba Island, Italy, 2010.Icono PDF cip2010.pdf (184.49 KB)
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M. Álvarez-Díaz, López-Valcarce, R., y Mosquera, C., «SNR Estimation for Multilevel Constellations Using Higher-Order Moments», IEEE Transactions on Signal Processing, vol. 58, pp. 1515–1526, 2010.Icono PDF alvarez-diaz-tsp-10.pdf (295.93 KB)
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C. Mosquera, López-Valcarce, R., y Jayaweera, S. K., «Stepsize Sequence Design for Distributed Average Consensus», IEEE Signal Processing Letters, vol. 17, pp. 169-172, 2010.
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G. Vázquez-Vilar, López-Valcarce, R., Mosquera, C., y González-Prelcic, N., «Wideband Spectral Estimation from Compressed Measurements Exploiting Spectral a priori Information in Cognitive Radio Systems», in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Dallas, U.S.A., 2010.
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W. Gappmair, López-Valcarce, R., y Mosquera, C., «Cramer-Rao Lower Bound and EM Algorithm for Envelope-Based SNR Estimation of Nonconstant Modulus Constellations», IEEE Transactions on Communications, vol. 57, pp. 1622 - 1627, 2009.
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R. López-Valcarce, Vázquez-Vilar, G., y 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 y 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.
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C. Mosquera, López-Valcarce, R., y Jayaweera, S. K., «Distributed Estimation with Noisy Exchanges», in IEEE International Workshop on Signal Processing Advances in Wireless Communications, Recife, Brazil, 2008.
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R. Elasmi-Ksibi, López-Valcarce, R., Besbes, H., Cherif, S., y 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.
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B. E. Salem, López-Valcarce, R., Cherif, S., y Besbes, H., «Lattice implementation of Sum-squared Auto-correlation Minimization (SAM) channel shortener», in European Signal Processing Conference (EUSIPCO), Lausanne, Switzerland, 2008.
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R. López-Valcarce y 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.
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W. Gappmair, López-Valcarce, R., y Mosquera, C., «ML and EM Algorithm for non-data-aided SNR Estimation of Linearly Modulated Signals», in International Symposium on Communication Systems, Networks and Signal Processing (CNSDSP), 2008, pp. 530-534.
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C. Mosquera, Scalise, S., y López-Valcarce, R., «Non-Data-Aided Symbol Rate Estimation of Linearly Modulated Signals», IEEE Transactions on Signal Processing, 2008.
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M. Álvarez-Díaz, López-Valcarce, R., y Mosquera, C., «SNR Estimation with Heterogeneous Frames», in Advanced Satellite Mobile Systems Conference, Bologna, Italy, 2008.
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A. Artés-Rodríguez, Pérez-González, F., Cid-Sueiro, J., López-Valcarce, R., Mosquera, C., y Pérez-Cruz, F., Comunicaciones Digitales. Pearson - Prentice Hall, 2007.
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R. López-Valcarce, Mosquera, C., y Gappmair, W., «Iterative Envelope-Based SNR Estimation for Non-Constant Modulus Constellations», in IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2007.
R. López-Valcarce y Mosquera, C., «Sixth-Order Statistics-Based Non-Data-Aided SNR Estimation», IEEE Communications Letters, vol. 11, pp. 351-353, 2007.Icono PDF lopezvalcarce_CL2006-1948.pdf (195.93 KB)
R. López-Valcarce, «Analysis of non-data-aided magnitude gain estimators», in International Symposium on Image/Video Communications (ISIVC), Hammamet, Tunisia, 2006.
R. López-Valcarce y Mosquera, C., «Blind carrier phase estimation for non-equiprobable constellations», in IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Cannes, France, 2006.