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  • Stochastic estimation of the Frobenius norm in the ACA convergence criterion  Open access

     Heldring, Alexander; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE transactions on antennas and propagation
    Vol. 63, num. 3, p. 1155-1159
    DOI: 10.1109/TAP.2014.2386306
    Date of publication: 2015-03-01
    Journal article
    Access to the full text
  • Nonconforming discretization of the electric-field integral equation for closed perfectly conducting objects

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel; Heldring, Alexander
    IEEE transactions on antennas and propagation
    Vol. 62, num. 8, p. 4171-4186
    DOI: 10.1109/TAP.2014.2325954
    Date of publication: 2014-08-01
    Journal article
    Image
  • Regularization of the 2D TE-EFIE for homogeneous objects discretized by the Method of Moments with discontinuous basis functions

     Sekulic, Ivan; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel; Heldring, Alexander
    International Conference on Electromagnetics in Advanced Applications
    p. 500-502
    DOI: 10.1109/ICEAA.2014.6903906
    Presentation's date: 2014-08
    Presentation of work at congresses
    Image
  • On the convergence of the ACA algorithm for radiation and scattering problems

     Heldring, Alexander; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE transactions on antennas and propagation
    Vol. 62, num. 7, p. 3806-3809
    DOI: 10.1109/TAP.2014.2316293
    Date of publication: 2014-07-01
    Journal article
    Image
  • Volumetric testing with wedges for a nonconforming discretization of the Electric-Field Integral Equation

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel; Heldring, Alexander
    IEEE International Symposium on Antennas and Propagation
    p. 2192-2193
    DOI: 10.1109/APS.2014.6905423
    Presentation's date: 2014-07
    Presentation of work at congresses
    Image
  • Nonconforming discretization of the Magnetic-Field Integral Equation with volumetric testing

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel; Heldring, Alexander
    IEEE International Symposium on Antennas and Propagation
    p. 2194-2195
    DOI: 10.1109/APS.2014.6905424
    Presentation's date: 2014-07
    Presentation of work at congresses
    Image
  • New graphical processing technique for fast shadowing computation in PO surface integral

     Rius Casals, Juan-manuel; Carbo Meseguer, Alexis; Bjerkemo, Jakob; Ubeda Farre, Eduardo; Heldring, Alexander; Mallorqui Franquet, Jordi Joan; Broquetas Ibars, Antoni
    IEEE transactions on antennas and propagation
    Vol. 62, num. 5, p. 2587-2595
    DOI: 10.1109/TAP.2014.2307321
    Date of publication: 2014-05-01
    Journal article
    Image
  • Grup de Teledetecció, Antenes, Microones i Superconductivitat

     Aguasca Sole, Alberto; Barlabe Dalmau, Antoni; Blanch Boris, Sebastian; Broquetas Ibars, Antoni; Camps Carmona, Adriano Jose; Cardama Aznar, Angel; Elias Fuste, Antonio; Duffo Ubeda, Nuria; Fabregas Canovas, Francisco Javier; Jofre Roca, Luis; Heldring, Alexander; López Martínez, Carlos; Mallorqui Franquet, Jordi Joan; O'callaghan Castella, Juan Manuel; Pradell Cara, Lluis; Rius Casals, Juan-manuel; Romeu Robert, Jordi; Torres Torres, Francisco; Ubeda Farre, Eduardo; Vall-llossera Ferran, Mercedes Magdalena; Duran Martinez, Israel; Wu, Lin; Gilasgar, Mitra; Lort Cuenca, Marc; Imbert Villa, Marc; Martin Alemany, Francisco; Chaparro Danon, David; Pablos Hernandez, Miriam; Pascual Biosca, Daniel; Park, Hyuk; Alonso Arroyo, Alberto; Onrubia Ibañez, Raul; Yam Ontiveros, Luis Eduardo; Rodriguez Silva, Juan Carlos; Piles Guillem, Maria; Deng, Xinping; Querol Borras, Jorge; Corbella Sanahuja, Ignasi
    Competitive project
  • Iterative method of moments solution of problems involving electrically large and concave geometries

     Heldring, Alexander; Rius Casals, Juan-manuel; Ubeda Farre, Eduardo
    International Conference on Electromagnetics in Advanced Applications
    p. 266-269
    DOI: 10.1109/ICEAA.2013.6632235
    Presentation's date: 2013-09-09
    Presentation of work at congresses
    Image
  • Volumetric testing for a nonconforming discretization in method of moments of the electric-field surface integral equation

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel; Heldring, Alexander
    International Conference on Electromagnetics in Advanced Applications
    p. 121-124
    DOI: 10.1109/ICEAA.2013.6632202
    Presentation's date: 2013-09
    Presentation of work at congresses
    Image
  • Discretization of the EFIE in Method of Moments without continuity of the normal current component across edges

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel; Heldring, Alexander
    IEEE International Symposium on Antennas and Propagation
    p. 448-449
    DOI: 10.1109/APS.2013.6710885
    Presentation's date: 2013-07-08
    Presentation of work at congresses
  • Preconditioning the Electric Field Integral Equation with the MS-CBD method

     Heldring, Alexander; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    Iberian Meeting on Computational Electromagnetics
    Presentation's date: 2013-05-14
    Presentation of work at congresses
    Image
  • Fast shadowing computation in physical optics surface

     Rius Casals, Juan-manuel; Carbo, Alex; Ubeda Farre, Eduardo; Heldring, Alexander
    Iberian Meeting on Computational Electromagnetics
    Presentation's date: 2013-05-14
    Presentation of work at congresses
    Image
  • GRECO Code Rejuvenated: hybrid CPU-graphical processing

     Rius Casals, Juan-manuel; Carbo, Alex; Ubeda Farre, Eduardo; Heldring, Alexander
    European Conference on Antennas and Propagation
    p. 2348-2351
    Presentation's date: 2013-04-10
    Presentation of work at congresses
    Image
  • The multiscale compressed block decomposition as a preconditioner for method of moments computations

     Heldring, Alexander; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    European Conference on Antennas and Propagation
    p. 390-393
    Presentation's date: 2013-04-08
    Presentation of work at congresses
    Image
  • Stable discretization of the electric-magnetic field integral equation with the taylor-orthogonal basis functions

     Ubeda Farre, Eduardo; Tamayo Palau, José María; Rius Casals, Juan-manuel; Heldring, Alexander
    IEEE transactions on antennas and propagation
    Vol. 61, num. 3, p. 1484-1490
    DOI: 10.1109/TAP.2012.2227925
    Date of publication: 2013-03
    Journal article
    Image
  • Accelerated direct solution of the method-of-moments linear system

     Heldring, Alexander; Tamayo Palau, José María; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    Proceedings of the IEEE
    Vol. 101, num. 2, p. 364-371
    DOI: 10.1109/JPROC.2012.2193369
    Date of publication: 2013-02
    Journal article
    Image
  • Sparsified adaptive cross approximation algorithm for accelerated method of moments computations

     Heldring, Alexander; Tamayo Palau, José María; Simon, Carine; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE transactions on antennas and propagation
    Vol. 61, num. 1, p. 240-246
    DOI: 10.1109/TAP.2012.2215292
    Date of publication: 2013-01
    Journal article
    Image
  • Dispositivos pasivos avanzados para cabezales multibanda, multimodo

     Rocas Cantenys, Eduard; Mateu Mateu, Jordi; Heldring, Alexander; González Arbesú, José María; Collado Gomez, Juan Carlos; Ubeda Farre, Eduardo
    Competitive project
  • Stable discretization of the electric-magnetic field integral equation with the divergence Taylor-Orthogonal basis functions

     Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel
    IEEE International Symposium on Antennas and Propagation
    DOI: 10.1109/APS.2012.6348616
    Presentation's date: 2012-07-12
    Presentation of work at congresses
  • Discretization of surface integral equations using conforming and non-conforming basis functions

     Ubeda Farre, Eduardo; Ylä-Oijala, Pasi; Tamayo Palau, Jose Maria; Kiminki, Sami P.; Rius Casals, Juan-manuel; Järvenpää, Seppo
    IEEE International Symposium on Antennas and Propagation
    Presentation's date: 2012-07-11
    Presentation of work at congresses
  • Discretization of the electric-magnetic field integral equation with the divergence Taylor-Orthogonal basis functions free from the magnetic-field and the electric-field low-frequency breakdowns

     Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel
    European Conference on Antennas and Propagation
    p. 707-711
    DOI: 10.1109/EuCAP.2012.6206631
    Presentation's date: 2012
    Presentation of work at congresses
  • Sparsified ACA for accelerated iterative solution of the MoM linear system

     Heldring, Alexander; Rius Casals, Juan-manuel; Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria
    Iberian Meeting on Computational Electromagnetics
    p. 13-15
    Presentation's date: 2011-11-02
    Presentation of work at congresses
    Image
  • Divergence-conforming discretization of second-kind integral equations for the RCS computation in the Rayleigh frequency region

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    Radio science
    Vol. 46, num. 5, p. 1-10
    DOI: 10.1029/2010RS004550
    Date of publication: 2011-09-15
    Journal article
  • Divergence-Taylor-Orthogonal basis functions for the discretization of second-kind surface integral equations in the Method of Moments

     Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel
    Computational Electromagnetics International Workshop
    p. 8-12
    DOI: 10.1109/CEM.2011.6047318
    Presentation's date: 2011-08-11
    Presentation of work at congresses
  • Facet-Oriented Discretization of the Electric-Magnetic Field Integral Equation for the accurate scattering analysis of perfectly conducting sharp-edged objects

     Tamayo Palau, Jose Maria; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE International Symposium on Antennas and Propagation
    p. 194-196
    DOI: 10.1109/APS.2011.5996675
    Presentation's date: 2011-07-04
    Presentation of work at congresses
  • Zeroth-Order Complete Discretizations of Integral-Equation formulations involving conducting or dielectric objects at very low frequencies

     Ubeda Farre, Eduardo; Tamayo Palau, José María; Rius Casals, Juan-manuel; Heldring, Alexander
    IEEE transactions on antennas and propagation
    Vol. 59, num. 7, p. 2735-2741
    DOI: 10.1109/TAP.2011.2152316
    Date of publication: 2011-05-10
    Journal article
  • Discretization of the Electric-Magnetic field integral equation with the Divergence-Taylor-Orthogonal basis functions

     Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel
    European Conference on Antennas and Propagation
    p. 2613-2617
    Presentation's date: 2011-04-11
    Presentation of work at congresses
  • Multiscale compressed block decomposition for fast direct solution of method of moments linear system

     Heldring, Alexander; Rius Casals, Juan-manuel; Tamayo Palau, Jose Maria; Parrón, Josep; Ubeda Farre, Eduardo
    IEEE transactions on antennas and propagation
    Vol. 59, num. 2, p. 526-536
    DOI: 10.1109/TAP.2010.2096385
    Date of publication: 2011-02
    Journal article
    Image
  • Taylor-orthogonal basis functions for the discretization in method of moments of second kind integral equations in the scattering analysis of perfectly conducting or dielectric objects  Open access

     Ubeda Farre, Eduardo; Tamayo Palau, José María; Rius Casals, Juan-manuel
    Progress in electromagnetics research (PIER)
    Vol. 119, p. 85-105
    DOI: 10.2528/PIER11051715
    Date of publication: 2011
    Journal article
    Access to the full text
  • Simulation of shipborne small HF antennas with RWG discretization and fast solver

     Rius Casals, Juan-manuel; Jofre Roca, Luis; Tamayo Palau, Jose Maria; Heldring, Alexander; Ubeda Farre, Eduardo
    IEEE International Conference on Wireless Information Technology and Systems
    DOI: 10.1109/ICWITS.2010.5611892
    Presentation's date: 2010-09-01
    Presentation of work at congresses
    Image
  • New electric-magnetic field integral equation for the scattering analysis of perfectly conducting sharp-edged objects at very low or extremely low frequencies

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE International Symposium on Antennas and Propagation
    DOI: 10.1109/APS.2010.5561038
    Presentation's date: 2010-07-14
    Presentation of work at congresses
    Image
  • Very accurate computation of the impedance elements on the discretization of the magnetic field integral equation with the orthogonal basis functions  Open access

     Tamayo Palau, Jose Maria; Ubeda Farre, Eduardo; Polimeridis, Athanasios G.; Rius Casals, Juan-manuel; Mosig, Juan Ramón
    Iberian Meeting on Computational Electromagnetics
    p. 48-52
    Presentation's date: 2010-05-19
    Presentation of work at congresses
    Access to the full text
  • Accelerated direct solution of the MoM-VIE for dielectric scatterers  Open access

     Heldring, Alexander; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel; Ubeda Farre, Eduardo
    Iberian Meeting on Computational Electromagnetics
    p. 25-29
    Presentation's date: 2010-05-19
    Presentation of work at congresses
    Access to the full text
  • Software framework for integration of method of moments kernels with direct or iterative fast solvers

     Rius Casals, Juan-manuel; Herrero, J. A.; Tamayo Palau, Jose Maria; Heldring, Alexander; Ubeda Farre, Eduardo; Parrón, Josep; López-Peña, Sergio; Polimeridis, Athanasios G.; Mosig, Juan Ramón; Espinosa, Hugo; Boag, Amir
    European Conference on Antennas and Propagation
    p. 1-2
    Presentation's date: 2010-04-15
    Presentation of work at congresses
  • Orthogonal basis functions for the discretization of the Magnetic-field Integral Equation in the low frequency regime

     Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel
    European Conference on Antennas and Propagation
    p. 1-4
    Presentation's date: 2010-04-15
    Presentation of work at congresses
  • TECNOLOGIA Y NUEVAS TECNICAS DE DISEÑO PARA INTEGRACION EN CHIP DE CABECERAS DE MICROONDAS

     Mateu Mateu, Jordi; Ubeda Farre, Eduardo; González Arbesú, José María; Heldring, Alexander; Collado Gomez, Juan Carlos
    Competitive project
  • Framework for integration of fast solvers in method of moments kernels

     Rius Casals, Juan-manuel; Tamayo Palau, Jose Maria; Heldring, Alexander; Parrón, Josep; Ubeda Farre, Eduardo
    LEMA-EPFL Workshop on Integral Techniques for Electromagnetics
    Presentation's date: 2009-09-08
    Presentation of work at congresses
  • Zeroth-order divergence-complete discretizations of the EFIE at very low frequencies  Open access

     Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel
    Computational Electromagnetics Workshop
    p. 1-4
    Presentation's date: 2009-07-20
    Presentation of work at congresses
    Access to the full text
  • Novel self-loop basis functions for the stability of the Linear-linear discretization of the Electric Field Integral Equation at very low frequencies  Open access

     Tamayo Palau, Jose Maria; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE International Symposium on Antennas and Propagation
    p. 2619-2622
    DOI: 10.1109/APS.2009.5172153
    Presentation's date: 2009-06
    Presentation of work at congresses
    Access to the full text
  • Fast iterative solution of integral equations with method of moments and matrix decomposition algorithm - Singular value decomposition

     Rius Casals, Juan-manuel; Parron, J; Heldring, Alexander; Ubeda Farre, Eduardo; Tamayo Palau, Jose Maria
    IEEE transactions on antennas and propagation
    Vol. 56, num. 8, p. 2314-2324
    DOI: 10.1109/TAP.2008.926762
    Date of publication: 2008-09
    Journal article
  • Comments on ¿The Use of Curl-Conforming Basis Functions for the Magnetic-Field Integral Equation¿

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE transactions on antennas and propagation
    Vol. 56, num. 7, p. 2142
    DOI: 10.1109/TAP.2008.924781 10.1109/TAP.2008.924777
    Date of publication: 2008-07
    Journal article
  • Survey on the RCS convergence for discretizations in Method of Moments of Integral Equations with planar rectangular basis functions

     Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE International Antennas and Propagation Symposium
    Presentation of work at congresses
  • Multiscale CBD for Fast Direct Solution of MoM Linear System

     Heldring, Alexander; Tamayo Palau, Jose Maria; Rius Casals, Juan-manuel; Parrón, J; Ubeda Farre, Eduardo
    IEEE International Antennas and Propagation Symposium
    Presentation of work at congresses
  • Progress in MoM Solution of Electromagnetic Scattering and Radiation at UPC AntennaLab

     Heldring, Alexander; Tamayo Palau, Jose Maria; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    VI Encuentro Ibérico de Electromagnetismo Computacional
    Presentation of work at congresses
  • Fast Direct Solution of MoM linear system

     Heldring, Alexander; Tamayo Palau, Jose Maria; Ubeda Farre, Eduardo; Rius Casals, Juan-manuel
    IEEE transactions on antennas and propagation
    Vol. 55, num. 11, p. 3220-3228
    Date of publication: 2007-11
    Journal article
  • Accurate computation of the impedance elements of the magnetic-field integral equation with RWG basis functions through field-domain and source-domain integral swapping

     Ubeda Farre, Eduardo; Heldring, Alexander; Rius Casals, Juan-manuel
    Microwave and optical technology letters
    Vol. 49, num. 3, p. 709-712
    Date of publication: 2007-03
    Journal article
  • Advances in Numerical Electromagnetics at UPC AntennaLab

     Ubeda Farre, Eduardo; Heldring, Alexander; Rius Casals, Juan-manuel; Espinosa, H; Tamayo Palau, Jose Maria; Parron, J
    Computational Electromagnetics Workshop
    Presentation of work at congresses