Gonzalo Vazquez

Gonzalo

Vazquez-Vilar

Ph.D. Electrical Engineering


Publications

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Preprints

2015

Tobias Koch, Gonzalo Vazquez-Vilar. Rate-distortion bounds for high-resolution vector quantization via Gibbs's inequality. IEEE Trans. Inf. Theory, in preparation. Preprint arXiv:1507.08349.

Journal papers

2016

Josep Sala-Alvarez, Gonzalo Vazquez-Vilar, Roberto Lopez-Valcarce, Saeid Sedighi and Abbas Taherpour. Multiantenna GLR Detection of Rank-One Signals with a Known Power Spectral Shape under Spatially Uncorrelated Noise. IEEE Trans. Signal Process., accepted for publication.

Irina E. Bocharova, Albert Guillen i Fabregas, Boris D. Kudryashov, Alfonso Martinez, Adria Tauste Campo and Gonzalo Vazquez-Vilar. Multi-Class Source-Channel Coding. IEEE Trans. Inf. Theory, accepted for publication. Preprint arXiv:1410.8714.

Gonzalo Vazquez-Vilar, Adria Tauste Campo, Albert Guillen i Fabregas, Alfonso Martinez. Bayesian M-ary Hypothesis Testing: The Meta-Converse and Verdú-Han Bounds are Tight. IEEE Trans. Inf. Theory, vol.62, no.5, pp.2324-2333, May 2014, doi: 10.1109/TIT.2016.2542080.

2014

Adria Tauste, Gonzalo Vazquez-Vilar, Albert Guillen i Fabregas, Tobias Koch and Alfonso Martinez. A derivation of the source-channel error exponent using non-identical product distributions. IEEE Trans. Inf. Theory, vol.60, no.6, pp.3209-3217, Jun. 2014, doi: 10.1109/TIT.2014.2315818.

2012

Josep Sala, Gonzalo Vazquez-Vilar and Roberto López-Valcarce Multiantenna GLR detection of rank-one signals with known power spectrum in white noise with unknown spatial correlation. IEEE Trans. Signal Process., vol.60, no.6, pp.3065-3078, Jun. 2012, doi: 10.1109/TSP.2012.2189767.

2011

Gonzalo Vazquez-Vilar, Roberto López-Valcarce and Josep Sala Multiantenna spectrum sensing exploiting spectral a priori information. IEEE Trans. Wireless Commun., vol.10, no.12, pp.4345-4355, Dec. 2011, doi: 10.1109/TWC.2011.101211.110665.

Gonzalo Vazquez-Vilar and Roberto López-Valcarce Spectrum sensing exploiting guard bands and weak channels. IEEE Trans. Signal Process., vol.59, no.12, pp.6045-6057, Dec. 2011, doi: 10.1109/TSP.2011.2167615.

David Ramírez, Gonzalo Vazquez-Vilar, Roberto López-Valcarce, Javier Vía and Ignacio Santamaría Multiantenna detection of rank-P signals under noise uncertainty in Cognitive Radio Networks. IEEE Trans. Signal Process., vol.59, no.8, pp.3764-3774, Aug. 2011, doi: 10.1109/TSP.2011.2146779.

2010

Gonzalo Vazquez-Vilar, Carlos Mosquera and Sudharman K. Jayaweera Primary User Enters the Game: Performance of Dynamic Spectrum Leasing in Cognitive Radio Networks. IEEE Trans. Wireless Commun., vol.9, no.12, pp.3625-3629, Dec. 2010, doi: 10.1109/TWC.2010.101310.101056.

Sudharman K. Jayaweera, Gonzalo Vazquez-Vilar and Carlos Mosquera Dynamic Spectrum Leasing (DSL): A New Paradigm for Spectrum Sharing in Cognitive Radio Networks. IEEE Trans. Vehicular Tech., vol.59, no.5, pp.2328-2339, Jun. 2010, doi: 10.1109/TVT.2010.2042741.

Conference papers

2016

Gonzalo Vazquez-Vilar. Multiple quantum hypothesis testing expressions and classical-quantum channel converse bounds. 2016 IEEE Int. Symp. Inf. Theory (ISIT 2016). Barcelona, Spain, Jul 10-15, 2016.

Tobias Koch, Gonzalo Vazquez-Vilar. A General Rate-Distortion Converse Bound for Entropy-Constrained Scalar Quantization. 2016 IEEE Int. Symp. Inf. Theory (ISIT 2016). Barcelona, Spain, Jul 10-15, 2016.

Gonzalo Vazquez-Vilar, Albert Guillen i Fabregas and Sergio Verdu. Hypothesis testing and quasi-perfect codes. 2016 Int. Zurich Seminar on Comm. (IZS 2016). Zurich, Switzerland, Mar 2-4, 2016.

2015

Gonzalo Vazquez-Vilar, Alfonso Martinez and Albert Guillen i Fabregas. A derivation of the cost-constrained sphere-packing exponent. 2015 IEEE Int. Symp. Inf. Theory (ISIT 2015). Hong Kong, Jun 14-19, 2015.

2014

Irina E. Bocharova, Albert Guillen i Fabregas, Boris D. Kudryashov, Alfonso Martinez, Adria Tauste Campo and Gonzalo Vazquez-Vilar. Low-complexity fixed-to-fixed joint source-channel coding. 8th Int. Symp. on Turbo Codes and Iterative Information Processing (ISTC 2014). Bremen, Germany, Aug 18-22, 2014. Invited.

Irina E. Bocharova, Albert Guillen i Fabregas, Boris D. Kudryashov, Alfonso Martinez, Adria Tauste Campo and Gonzalo Vazquez-Vilar. Source-channel coding with multiple classes. 2014 IEEE Int. Symp. Inf. Theory (ISIT 2014). Honolulu, HI, USA, Jun 29-Jul 4, 2014.

2013

Gonzalo Vazquez-Vilar, Adria Tauste, Albert Guillen i Fabregas and Alfonso Martinez. The meta-converse bound is tight. 2013 IEEE Int. Symp. Inf. Theory (ISIT 2013). Istanbul, Turkey, Jul 7-12, 2013.

2012

Adria Tauste, Gonzalo Vazquez-Vilar, Albert Guillen i Fabregas, Tobias Koch and Alfonso Martinez. Converse bounds for finite-length joint source-channel coding. 50th Annual Allerton Conference on Communication, Control and Computing (Allerton 2012). Allerton, IL, USA., Oct 1-5, 2012. Invited.

Adria Tauste, Gonzalo Vazquez-Vilar, Albert Guillen i Fabregas, Tobias Koch and Alfonso Martinez. Achieving Csiszár’s exponent for joint source-channel coding with product distributions. 2012 IEEE Int. Symp. Inf. Theory (ISIT 2012). Boston, USA., Jul 1-6, 2012.

Adria Tauste, Gonzalo Vazquez-Vilar, Albert Guillen i Fabregas, Tobias Koch and Alfonso Martinez. Random coding bounds that attain the joint source-channel exponent. 46th Annual Conference on Information Sciences and Systems (CISS 2012). Princeton, USA., March 21-23, 2012. Invited.

María Elena Domínguez-Jiménez, Nuria González-Prelcic, Gonzalo Vazquez-Vilar, and Roberto López-Valcarce. Design of universal multicoset sampling patterns for compressed sensing of multiband sparse signals. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2012). Kyoto, Japan., March, 25-30 2012.

2011

Gonzalo Vazquez-Vilar, David Ramirez, Roberto López-Valcarce, Javier Via, and Ignacio Santamaria. Spatial rank estimation in cognitive radio networks with uncalibrated multiple antennas. 4th International Conference on Cognitive Radio and Advanced Spectrum Management (CogART 2011), Barcelona, Spain., Oct. 26-29, 2011. Invited.

Adria Tauste, Gonzalo Vazquez-Vilar, Albert Guillen i Fabregas and Alfonso Martinez. Random-coding joint source-channel bounds. 2011 IEEE Int. Symp. Inf. Theory (ISIT 2011). Saint Petersburg, Russia., Jul 31 - Aug 5, 2011.

Gonzalo Vazquez-Vilar, Roberto López-Valcarce, and Ashish Pandharipande. Detection diversity of multiantenna spectrum sensors. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011). Prague, Czech Republic., May, 22-27 2011.

David Ramirez, Gonzalo Vazquez-Vilar, Roberto López-Valcarce, Javier Via, and Ignacio Santamaria. Multiantenna detection under noise uncertainty and primary user's spatial structure. 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011). Prague, Czech Republic., May, 22-27 2011.

2010

Roberto López-Valcarce, Gonzalo Vazquez-Vilar and Josep 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, 14-16 2010. Invited.

Georges El-Howayek, Sudharman K. Jayaweera, Kamrul Hakim, Gonzalo Vazquez-Vilar and Carlos Mosquera. Dynamic Spectrum Leasing (DSL) in dynamic channels. ICC'10 Workshop on Cognitive Radio Interfaces and Signal Processing (ICC CRISP'10). Cape Town, South Africa. May 23, 2010.

Gonzalo Vazquez-Vilar, Roberto López-Valcarce, Carlos Mosquera and Nuria González-Prelcic. Wideband spectral estimation from compressed measurements Exploiting spectral a priori information in cognitive radio systems. IEEE International Conference on Acoustics, Speech and Signal Processing 2010 (ICASSP 2010). Dallas, USA., March, 14-19 2010.

2009

Nicolai Czink, Bernd Bandemer, Gonzalo Vazquez-Vilar, Louay Jalloul, Claude Oestges, Arogyaswami Paulraj. Spatial separation of multi-user MIMO channels. 20th Personal, Indoor and Mobile Radio Communications Symposium 2009 (PIMRC 09). Tokyo, Japan., Sept, 13-16 2009.

Bernd Bandemer, Gonzalo Vazquez-Vilar, Abbas El Gamal. On the sum capacity of a class of cyclically symmetric deterministic interference channels. 2009 IEEE Int. Symp. Inf. Theory (ISIT 2009). Coex, Seoul, Korea. , Jun 28 - Jul 3, 2009.

Roberto López-Valcarce, Gonzalo Vazquez-Vilar, Marcos Álvarez-Díaz. 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., Jun, 22-24 2009.

Roberto López-Valcarce, Gonzalo 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, Jun 21-24, 2009.

2008

Gonzalo Vazquez-Vilar, Vinay Majjigi, Aydin Sezgin, Arogyaswami Paulraj. Mobility dependent feedback scheme for point-to-point MIMO systems. Asilomar Conference on Signals, Systems, and Computers (Asilomar SSC 2008). Pacific Grove, CA, U.S.A. , Oct 26-29, 2008.

Ph.D. Thesis

2011

Gonzalo Vazquez-Vilar Interference and network management in cognitive communication systems Doctoral Thesis, Signal Processing and Communications Dept., University of Vigo, Jun 2011.

Technical reports

2011

Gonzalo Vazquez-Vilar, Daniel Romero, Roberto Lopez-Valcarce, David Ramirez, Javier Via, Ignacio Santamaria, and Josep Sala. Recent advances in multiantenna spectrum sensing: complexity, noise uncertainty, and signal rank issues (extended abstract). 2nd International Workshop of the COST Action IC0902, Barcelona, Spain., Oct. 5-7, 2011.

2008

Nicolai Czink, Bernd Bandemer, Gonzalo Vazquez-Vilar, Louay Jalloul, Claude Oestges, Arogyaswami Paulraj. Spatial separation of multi-user MIMO channels COST 2100 Management Commitee Meeting, Temporary Document. Lille, France, Oct 6-8, 2008.

Nicolai Czink, Bernd Bandemer, Gonzalo Vazquez-Vilar, Louay Jalloul, Arogyaswami Paulraj. Can multi-user MIMO measurements be done using a single channel sounder? COST 2100 Management Commitee Meeting, Temporary Document. Lille, France, Oct 6-8, 2008.

Nicolai Czink, Bernd Bandemer, Gonzalo Vazquez-Vilar, Louay Jalloul, Arogyaswami Paulraj. Stanford July 2008 radio channel measurement campaign. COST 2100 Management Commitee Meeting, Temporary Document. Lille, France, Oct 6-8, 2008.