Creating and sharing knowledge for telecommunications
... Pedro Miguel Ribeiro Lavrador

Researcher

Pedro Lavrador

Academic position: Assistant Professor
Joining date: 01-10-2000
Roles in IT: Researcher
Thematic Line: Wireless Technologies
Group: Wireless Circuits – Av

Email: Send Email
Address: IT – Aveiro
Instituto de Telecomunicações
Campus Universitário de Santiago
P-3810-193 AVEIRO - PORTUGAL
Tel: +351 234 377 900
Fax: +351 234 377 901


Scientific Achievements

  • PhD, Universidade de Aveiro, 01-01-2007
  • Licenciatura, Universidade de Aveiro, 15-07-2001
  • IEEE, 01-10-2001,
  • Power Amplifier Behavioural Modeling
  • Predistortion and Linearization
  • Arquitectura de Computadores II, Universidade de Aveiro, Mestr. Int. Engenharia Electrónica e de Computadores
  • Arquitectura de Computadores I, Universidade de Aveiro, Mest. Int. Eng. Electrónica e Telecomunicações
  • Introdução às Tecnologias da Informação e Comunica, Universidade de Aveiro, Licenciatura em Turismo
  • F. M. B. Barradas, L. C. Nunes, T.R. Cunha, P.M.L. Lavrador, P. M. Cabral, J. C. Pedro, Compensation of Long-Term Memory Effects on GaN HEMT-Based Power Amplifiers, IEEE Transactions on Microwave Theory and Techniques, Vol. 65, No. 9, pp. 3379 - 3388, March, 2017,
    | Abstract
    | BibTex
  • JPFG Gonçalves, C. M. Martins, F. P. Guiomar, T.R. Cunha, J. C. Pedro, A. N. Pinto, P.M.L. Lavrador, Nonlinear compensation with DBP aided by memory polynomial, Optics Express, Vol. 24, No. 26, pp. 30309 - 30316, December, 2016,
    | Abstract
    | BibTex
  • F. M. B. Barradas, L. C. Nunes, J. C. Pedro, T.R. Cunha, P.M.L. Lavrador, P. M. Cabral, Accurate Linearization with Low-Complexity Models Using Cascaded Digital Predistortion Systems, IEEE Microwave Magazine, Vol. 16, No. 1, pp. 94 - 103, February, 2015 | BibTex
  • F. M. B. Barradas, T.R. Cunha, P.M.L. Lavrador, J. C. Pedro, Polynomials and LUTs in PA behavioral modeling: a fair theoretical comparison, IEEE Transactions on Microwave Theory and Techniques, Vol. 62, No. 12, pp. 3274 - 3284, December, 2014 | BibTex
  • J. C. Pedro, P. M. Cabral, T.R. Cunha, P.M.L. Lavrador, A Multiple Time-Scale Power Amplifier Behavioral Model for Linearity and Efficiency Calculations, IEEE Transactions on Microwave Theory and Techniques, Vol. 61, No. 1, pp. 606 - 615, January, 2013,
    | Abstract
    | Full text (PDF 2 MBs) | BibTex
  • P.M.L. Lavrador, T.R. Cunha, P. M. Cabral, J. C. Pedro, RF Power Amplification: Current Trends on the Linearity-Efficiency Compromise, IEEE Microwave Magazine, Vol. 11, No. 5, pp. 44 - 58, August, 2010 | BibTex
  • P. L. Gilabert Gilabert, P.M.L. Lavrador, J. C. Pedro, Improvements and Analysis of Nonlinear Parallel Behavioral Models, Intrnl. Journal of RF and Microwave Computer-Aided Engineering, Vol. 19, No. 5, pp. 615 - 626, September, 2009 | BibTex
  • P.M.L. Lavrador, N.B.C. Carvalho, J. C. Pedro, Evaluation of signal-to-noise and distortion ratio degradation in nonlinear systems, IEEE Transactions on Microwave Theory and Techniques, Vol. 52, No. 3, pp. 813 - 822, March, 2004 | BibTex
  • F. M. B. Barradas, P.M.L. Lavrador, T.R. Cunha, J. C. Pedro, Using statistical information for fast static DPD of RF PAs, IEEE Topical Conf. on RF Power Amplifiers for Radio and Wireless Applications - PAWR, Phoenix, United States, Vol. 1, pp. 1 - 3, January, 2017,
    | Abstract
    | BibTex
  • F. M. B. Barradas, P.M.L. Lavrador, T.R. Cunha, J. C. Pedro, Characterizing direct and cross memory in RF nonlinear systems using simple two tone measurements, European Microwave Week/European Microwave Conf., London, United Kingdom, Vol. 1, pp. 1 - 3, October, 2016,
    | Abstract
    | BibTex
  • JPFG Gonçalves, P.M.L. Lavrador, F. P. Guiomar, A. N. Pinto, T.R. Cunha, J. C. Pedro, Nonlinear Behavioral Modeling Equalization Techniques for Optical Transmission Systems, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 1 - 3, September, 2015,
    | Abstract
    | BibTex
  • F. M. B. Barradas, P.M.L. Lavrador, T.R. Cunha, J. C. Pedro, Reducing model extraction complexity using cascaded predistortion, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. 1, pp. 1 - 3, September, 2015,
    | Abstract
    | BibTex
  • F. M. B. Barradas, P.M.L. Lavrador, T.R. Cunha, J. C. Pedro, RF PA modeling with one chirp measurement, European Microwave Week/European Microwave Conf., Paris, France, Vol. 1, pp. 1 - 4, September, 2015,
    | Abstract
    | BibTex
  • F. M. B. Barradas, T.R. Cunha, P.M.L. Lavrador, J. C. Pedro, Higher locality non-linear basis functions of Volterra series based models to improve extraction conditioning, IEEE International Microwave Theory and Tech. Symp., Tampa FL, United States, Vol. 1, pp. 1 - 4, June, 2014 | BibTex
  • F. M. B. Barradas, T.R. Cunha, P.M.L. Lavrador, J. C. Pedro, Using spline basis functions in Volterra series based models, International Workshop on Integrated Nonlinear Microwave and Millimeter-Wave Circuits - INMMIC, Leuven, Belgium, Vol. 1, pp. 1 - 3, April, 2014 | BibTex
  • J. C. Pedro, L. C. Nunes, P.M.L. Lavrador, A New Large-Signal Intermodulation and Spurious Analysis Tool, IEEE International Microwave Theory and Tech. Symp., Seattle, United States, Vol. 1, pp. 1 - 1, June, 2013 | BibTex
  • J. C. Pedro, P. M. Cabral, T.R. Cunha, P.M.L. Lavrador, A New Power Amplifier Behavioral Model for Simultaneous Linearity and Efficiency Calculations, IEEE International Microwave Theory and Tech. Symp., Quebec, Canada, Vol. 1, pp. 00 - 00, June, 2012,
    | Abstract
    | Full text (PDF 793 KBs) | BibTex
  • T.R. Cunha, P.M.L. Lavrador, E. Gonçalves Lima, J. C. Pedro, Rational function-based model with memory for power amplifier behavioral modeling, Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC, Wien, Austria, Vol. 1, pp. 1 - 4, April, 2011 | BibTex
  • P.M.L. Lavrador, J. C. Pedro, A Volterra Series Model for the System Level Simulation of a Wide Range of Wireless RF Blocks, Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC, Goteborg, Sweden, April, 2010,
    | Abstract
    | BibTex
  • P.M.L. Lavrador, J. C. Pedro, Validation of a Behavioral Model based on Volterra Series with coefficients determined orthogonally, Conf. on Telecommunications - ConfTele, Feira, Portugal, Vol. -, pp. -- - --, May, 2009,
    | Abstract
    | BibTex
  • C. Fager, P.M.L. Lavrador, A. Zhu, J. C. Pedro, System Level Modelling of RF Power Amplifiers Based on Large-Signal Measurements, European Microwave Conf. - EMC, Munich, Germany, Vol. 1, pp. 131 - 134, October, 2007 | BibTex
  • J. C. Pedro, P.M.L. Lavrador, J. C. Pedro, A Frequency Domain Extraction Procedure of Low-Pass Equivalent Behavioural Models of Microwave PAs, European Microwave Conf. - EMC, Manchester, United Kingdom, Vol. 1, pp. 253 - 256, September, 2006 | BibTex
  • J. C. Pedro, P.M.L. Lavrador, N.B.C. Carvalho, A Formal Procedure for Microwave Power Amplifier Behavioral Modeling, IEEE International Symp. on Microwave Theory and Tech., San Francisco, United States, Vol. 2, pp. 848 - 851, June, 2006 | BibTex
  • P.M.L. Lavrador, J. C. Pedro, N.B.C. Carvalho, A new method for the orthogonal extraction of the Volterra series coefficients, Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC, Aveiro, Portugal, Vol. 1, pp. 138 - 141, January, 2006 | BibTex
  • P.M.L. Lavrador, J. C. Pedro, N.B.C. Carvalho, A new Volterra series based orthogonal behavioral model for power amplifiers, Asia Pacific Microwave Conf. - APMC, Suzhou, China, Vol. 1, pp. - - -, December, 2005 | BibTex
  • P.M.L. Lavrador, J. C. Pedro, N.B.C. Carvalho, A New Nonlinear Behavioral Model Extracted Orthogonally, Conf. on Design of Circuits and Integrated Systems, Lisbon, Portugal, Vol. -, pp. - - -, November, 2005 | BibTex
  • P.M.L. Lavrador, J. C. Pedro, N.B.C. Carvalho, A New Nonlinear Quasi-Orthogonal Model Extracted in the Frequency Domain, Conf. on Telecommunications - ConfTele, Tomar, Portugal, Vol. -, pp. - - -, April, 2005 | BibTex
  • J. C. Pedro, N.B.C. Carvalho, P.M.L. Lavrador, Modeling Nonlinear Behavior of Band-Pass Memoryless and Dynamic Systems, IEEE International Symp. on Microwave Theory and Tech., Philadelphia, United States, Vol. CD-ROM, pp. ---- - ----, June, 2003 | BibTex
  • P.M.L. Lavrador, N.B.C. Carvalho, J. C. Pedro, Noise and distortion figure - an extension of noise figure definition for nonlinear devices, IEEE International Microwave Theory and Tech. Symp., Philadelphia, United States, Vol. 3, pp. 2137 - 2140, June, 2003 | BibTex
  • P.M.L. Lavrador, J. C. Pedro, N.B.C. Carvalho, Underlying Linear System Identification of Memoryless and Dynamic Nonlinear Systems, Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. -, pp. - - -, June, 2003 | BibTex

Currently running projects1

Acronym Name Funding Agency Start date Ending date
ORCIP Optical Radio Convergence Infrastructure for Communications and Power Delivering PO Centro 01-05-2017 30-04-2029

Closed Projects9

Acronym Name Funding Agency Start date Ending date
DIPPAL Digital Predistortion for Power Amplifier Linearization IT/LA 01-01-2009 01-12-2010
Lin5GPA Power Amplifier Linearization for 5G FCT/PTDC 01-05-2016 01-04-2018
NGTVD NGTvD - Next generation Digital Tv over Fiber QREN, Televés 01-03-2010 01-12-2011
nodeSipher Nonlinear modeling of silicon photonics electro-optic modulators IT/LA 01-01-2017 01-12-2018
OALMT Optimização de Amplificadores Linearizados em Presença de Sinais Reais Multi-Tom CRUP 01-01-2003 31-12-2004
PANORAMA PANORAMA - Plataforma Rádio PT Inovação 01-01-2009 01-06-2011
SOPAS Self-Oscillating Radio Frequency Power Amplifiers FCT/PTDC 01-02-2011 01-05-2013
TARGET Top Amplifier Research Group in an European Team EU 01-01-2004 31-12-2006
VADONetC Simplified Volterra analysis for dynamical optical networks compensation IT/LA 01-06-2014 01-05-2016
  • J. C. Pedro, T.R. Cunha, P. M. Cabral, P.M.L. Lavrador, Annual Collaboration Team Award, O Projecto de Investigação com a empresa Huawei Technologies Sweden, AB., foi agraciado com o Prémio “Annual Collaboration Team Award” atribuído pela multinacional chinesa Huawei Technologies, Co. Ltd., 01-12-2015
  • F. M. B. Barradas, T.R. Cunha, P. M. Tomé, P.M.L. Lavrador, P. M. Cabral, L. C. Nunes, J. C. Pedro, Prediction and Compensation of PA Linearity and Efficiency in MIMO scenarios, Spain, Madrid, 09-2018
  • IEEE Transactions on Microwave Theory and Techniques
    2013, 1 review(s); 2009, 1 review(s);
  • IEEE International Microwave Workshop Series on ''RF Front-ends for Software Defined and Cognitive Radio Solutions'' - IMWS
    2010, 1 review(s);
  • Integrated Non-linear Microwave and Millimetre-wave Circuits Conf. - INMMIC
    2008, 1 review(s);

  • 2011, 1 review(s);