Publications

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R. Lopez-Valcarce, G. Vazquez-Vilar, and M. Alvarez-Diaz, "Multiantenna detection of multicarrier primary signals exploiting spectral a priori information", 4th International Conference on Cognitive Radio Oriented Wireless Networks and Communications (Crowncom 2009), Hannover, Germany, June, 2009.
R. Lopez-Valcarce, and G. Vazquez-Vilar, "Wideband Spectrum Sensing in Cognitive Radio: Joint Estimation of Noise Variance and Multiple Signal Levels", 2009 IEEE International Workshop on Signal Processing Advances for Wireless Communications (Spawc 2009), Perugia, Italy, June, 2009.
R. Lopez-Valcarce, G. Vazquez-Vilar, and J. Sala, "Multiantenna spectrum sensing for Cognitive Radio: overcoming noise uncertainty", The 2nd International Workshop on Cognitive Information Processing (CIP 2010), Elba Island (Tuscany), Italy, June, 2010.
N. Letzepis, and A. Guillén i Fàbregas, "Outage probability of the gaussian free space optical channel with pulse-position modulation", Austrlian Communicatiosn Theory Workshop 2008, Christchurch, New Zealand, IEEE, 2008.
N. Letzepis, and A. Guillén i Fàbregas, "Outage probability of the Gaussian MIMO free space optical channel with PPM", IEEE Transactions on Communications: IEEE Communications Society, pp. 2649–2653, 2009.
N. Letzepis, K. D. Nguyen, A. Guillén i Fàbregas, and W. G. Cowley, "Outage analysis of the hybrid free-space optical and radio-frequency channel", IEEE Journal on Selected Areas in Communications, vol. 27: IEEE, pp. 1709–1719, 2009.
N. Letzepis, and A. Guillén i Fàbregas, "Outage probability of the MIMO gaussian free space optical channel with PPM", Proceedings of the IEEE International Symposium on Information Theory, ISIT' 08, Toronto, Canada, IEEE, pp. 2649–2653, Aug, 2008.
N. Letzepis, and A. Guillén i Fàbregas, "Hybrid Free-Space Optical and Radio-Fequency Wireless Communications", Advanced Optical Wireless Communication Systems: Cambridge University Press, pp. 273 - 302, 2012.
N. Letzepis, K. D. Nguyen, A. Guillén i Fàbregas, and W. G. Cowley, "Hybrid free-space optical and radio-frequency communications: outage analysis", Information Theory Proceedings (ISIT), 2010 IEEE International Symposium on, Austin, TX, USA, IEEE, pp. 2048–2052, 2010.
G. Lechner, A. Guillén i Fàbregas, L. K. Rasmussen, and K. D. Nguyen, "Optimal Power Control for LDPC Codes in Block-fading Channels", IEEE Transactions on Communications, vol. 59, pp. 1759–1765, Jul., 2011.
M. Lamarca, J. Sala, and A. Martinez, "Iterative decoding algorithms for RS-convolutional concatenated codes", Proc. 3rd Intl. Symp. on Turbo Codes (Brest, France), pp. 543–546, 2003.
M. Lamarca, J. Sala, E. Rodriguez, and A. Martinez, "Advanced decoding algorithms for satellite broadcasting", Proc. 8th Intl. Workshop on Sig. Proc. for Space Comm. (Catania, Italy), pp. 145–152, 2003.