Stefan Werner

Possui graduação em Eletrônica e Ciência da Computação pela Royal Institute Of Technology(1992), mestrado em Engenharia Elétrica pela Royal Institute Of Technology(1998) e doutorado em Processamento de Sinais pela Helsinki University Of Technology(2002). Atualmente é Revisor de periódico da IEEE Transactions on Signal Processing, Revisor de periódico da IEEE Signal Processing Letters, Revisor de periódico da IEEE Transactions on Circuits and Systems. II, Analog and Digital Signal Pr, Revisor de periódico da IEEE Communications Letters, Revisor de periódico da IEEE Transactions on Wireless Communications e Revisor de periódico da EURASIP Journal on Applied Signal Processing.

Informações coletadas do Lattes em 10/11/2022

Acadêmico

Formação acadêmica

Doutorado em Processamento de Sinais

1998 - 2002

Helsinki University Of Technology
Título: Reduced Complexity Adaptive Filtering Algorithms With Applications to Communications Systems
Orientador: Timo I Laakso e Marcello Luiz Rodrigues de Campos

Mestrado em Engenharia Elétrica

1993 - 1998

Royal Institute Of Technology
Orientador: Timo I Laakso

Graduação em Eletrônica e Ciência da Computação

1990 - 1992

Royal Institute Of Technology

Idiomas

Bandeira representando o idioma Inglês

Compreende Bem, Fala Bem, Lê Bem, Escreve Bem.

Bandeira representando o idioma Português

Compreende Bem, Fala Bem, Lê Bem, Escreve Bem.

Suéco

Compreende Bem, Fala Bem, Lê Bem, Escreve Bem.

Finlandês

Compreende Razoavelmente, Fala Razoavelmente, Lê Razoavelmente, Escreve Razoavelmente.

Organização de eventos

Koivunen, V. ; Ottersten, B. ; Renfors, M. ; Hanssen, A. ; Valkama, M. ; WERNER, S. . IEEE Workshop on Signal Processing Advances in Wireless Communications. 2007. (Congresso).

Orientou

Mobien Shoaib

Multichannel adaptive RLS algorithms for identification and compensation of nonlinear systems; Início: 2006; Tese (Doutorado em Processamento de Sinais) - Helsinki University Of Technology; (Coorientador);

Eduardo Zacarias

Closed-loop MIMO transmit beamforming with limited feedback information; Início: 2005; Tese (Doutorado em Processamento de Sinais) - Helsinki University Of Technology; (Coorientador);

Mei Yen Cheong

Predistorter design for broadband power amplifiers; Início: 2004; Tese (Doutorado em Processamento de Sinais) - Helsinki University Of Technology; (Coorientador);

Jose Victor del Razo

Performance Analysis of a Relay System with Nonlinearities; 2007; Dissertação (Mestrado em Signal Processing) - Helsinki University Of Technology,; Coorientador: Stefan Werner;

Kurt Ugur

Optimal partition placements for the simplicial canonical PWL function in identification of power amplifier characteristics; 2006; Dissertação (Mestrado em Signal Processing) - Helsinki University Of Technology,; Coorientador: Stefan Werner;

Mobien Shoaib

Fast Multichannel Adaptive RLS algorithms with Applications to System Identification; 2005; Dissertação (Mestrado em Signal Processing) - Helsinki University Of Technology,; Coorientador: Stefan Werner;

J

E; W; Moreira; Identificão de canais movies utilizando algoritmos SM-affine projection; 2005; Dissertação (Mestrado em UFRJ COPPE-PEE Programa de Engenharia Elétrica) - Universidade Federal do Rio de Janeiro,; Coorientador: Stefan Werner;

R

P; Braga; Cancelamento de eco em linhas baseados no padrão G; 168 utilizando o algoritmo SM-affine projection; 2005; Dissertação (Mestrado em Engenharia Elétrica) - Universidade Federal do Rio de Janeiro,; Coorientador: Stefan Werner;

Julian Martin-Martinéz

Adaptive algorithms for APLAC System Simulator; 2004; Dissertação (Mestrado em Signal Processing) - Helsinki University Of Technology,; Coorientador: Stefan Werner;

Fernando Gregorio

Analysis and Compensation of Nonlinear Power Amplifier Effects in Multi-Antenna OFDM systems; 2007; Tese (Doutorado em Processamento de Sinais) - Helsinki University Of Technology,; Coorientador: Stefan Werner;

Produções bibliográficas

  • Shoaib, M. ; WERNER, S. ; APOLINÁRIO, J. A. . Reduced complexity solution for weight extraction in QRD-LSL algorithms. IEEE Signal Processing Letters , v. 15, p. 277-280, 2008.

  • Ramos, A. ; APOLINÁRIO, J. A. ; WERNER, S. . Multichannel fast QRD-RLS adaptive filtering: block-channel and sequential-channel algorithms based on updating backward prediction errors. Signal Processing , v. 87, p. 1781-1798, 2007.

  • WERNER, S. ; APOLINÁRIO, J. A. ; DINIZ, P. S. R. . Set-Membership Proportionate Affine Projection Algorithms. URASIP Journal on Audio, Speech, and Music Processing , v. 2007, p. Article ID 3424, 2007.

  • Juan Cousseau ; Figueroa, J. ; WERNER, S. ; LAAKSO, T. . Efficient Nonlinear Wiener Model Identification Using a Complex-Valued Simplicial Canonical Piecewise Linear Filter. IEEE Transactions on Signal Processing , v. 55, p. 1780-1792, 2007.

  • WERNER, S. ; Juan Cousseau ; Donate, P. . Factorized All-pass based IIR adaptive notch filters. IEEE Transactions on Signal Processing , v. 55, p. 5225-5236, 2007.

  • WERNER, S. ; Gregorio, F. ; Juan Cousseau ; LAAKSO, T. . Receiver cancellation technique for nonlinear power amplifier distortion in SDMA-OFDM systems. IEEE Transactions on Vehicular Technology , v. 56, p. 2499-2516, 2007.

  • WERNER, S. ; With, M. ; Koivunen, V. . Householder multistage Wiener filter for space-time navigation receivers. IEEE Transactions on Aerospace and Electronic Systems , v. 43, p. 975-988, 2007.

  • Figueroa, J. ; Juan Cousseau ; WERNER, S. ; LAAKSO, T. . Adaptive control of a Wiener type system: application to a pH neutralization reactor. International Journal of Control , v. 80, p. 231-240, 2007.

  • Gregorio, F. ; WERNER, S. ; Hamalainen, J. ; Wichman, R. (Risto Wichman) ; Juan Cousseau . BEP analysis of OSTBC-OFDM systems with broadband PA and imperfect memory compensation. IEEE Communications Letters , v. 11, p. 940-942, 2007.

  • WERNER, S. ; Zacarías, B. E. ; Wichman, R. (Risto Wichman) . Distributed Jacobi eigen-beamforming for closed-loop MIMO systems. IEEE Communications Letters , v. 10, p. 825-827, 2006.

  • WERNER, S. ; APOLINÁRIO, J. A. ; CAMPOS, M. L. R. ; DINIZ, P. S. R. . Low-complexity constrained affine-projection algorithms. IEEE Transactions on Signal Processing , v. 53, p. 4545-4555, 2005.

  • WERNER, S. ; CAMPOS, M. L. R. ; DINIZ, P. S. R. . Partial-update NLMS algorithms with data-selective updating. IEEE Transactions on Signal Processing , v. 52, p. 436-445, 2004.

  • WERNER, S. ; CAMPOS, M. L. R. ; DINIZ, P. S. R. . Mean-squared analysis of the partial-update NLMS algorithm. Revista da Sociedade Brasileira de Telecomunicações , v. 18, p. 77-85, 2003.

  • DINIZ, P. S. R. ; WERNER, S. . Set-Membership Binormalized Data Reusing LMS Algorithms. IEEE Transactions on Signal Processing , 2002.

  • CAMPOS, M. L. R. ; WERNER, S. ; APOLINÁRIO, J. A. . Constrained Adaptation Algorithms Employing Householder Transformation. IEEE Transactions on Signal Processing , v. 50, p. 2187-2195, 2002.

  • WERNER, S. ; APOLINÁRIO, J. A. ; CAMPOS, M. L. R. . On the equivalence of RLS implementations of LCMV and GSC processors. IEEE Signal Processing Letters , 2002.

  • WERNER, S. ; DINIZ, P. S. R. . Set-Membership Affine Projection Algorithm. IEEE Signal Processing Letters , v. 8, p. 231-235, 2001.

  • CAMPOS, M. L. R. ; WERNER, S. ; APOLINÁRIO, J. A. . Constrained Adaptive Filters. In: Springer-Verlag. (Org.). Adaptive Antenna Arrays. : Satish Chandran, 2004, v. , p. 46-64.

  • WERNER, S. ; Mohammed, M. ; Huang, Y.F. ; Koivunen, V. . Decentralized set-membership adaptive estimation for clustered sensor networks. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2008, Las Vegas. Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing, 2008.

  • Gregorio, F. ; WERNER, S. ; Juan Cousseau ; Wichman, R. (Risto Wichman) . Split Predistortion approach for reduced complexity terminal in OFDM systems. In: IEEE Vehicular Technology Conference, 2007, Dublin. IEEE Vehicular Technology Conference, 2007. p. 2697-2701.

  • Cheong, M. Y. ; Maatanen, H.-L. ; WERNER, S. ; Haggman, S.-G. . A combined PAPR reduction and predistorter scheme for OFDM systems in nonlinear channels. In: IEEE Radio and Wireless Symposium, 2007, Long Beach. IEEE Radio and Wireless Symposium, 2007. p. 309-312.

  • Gregorio, F. ; WERNER, S. ; Juan Cousseau ; Wichman, R. (Risto Wichman) . Broadband power amplifier distortion cancellation with model estimation in the receiver. In: IEEE Workshop on Signal Processing Advances in Wireless Communications, 2007, Helsinki. IEEE Workshop on Signal Processing Advances in Wireless Communications, 2007.

  • Zacarías, B. E. ; WERNER, S. ; Wichman, R. (Risto Wichman) . Enhanced Partial Update Beamforming for Closed Loop MIMO Systems. In: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2006, Helsinki. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2006.

  • Gregorio, F. ; WERNER, S. ; Juan Cousseau ; LAAKSO, T. . Iterative Channel Estimation for Multiuser OFDM Systems in the Presence of Power Amplifier Nonlinearities. In: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2006, Helsinki. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2006.

  • Cheong, M. Y. ; WERNER, S. ; Juan Cousseau ; LAAKSO, T. . Predistorter design employing parallel piecewise linear structure and inverse coordinate mapping for broadband communications. In: European Signal Processing Conference, 2006, Florence. European Signal Processing Conference, 2006.

  • Shoaib, M. ; WERNER, S. ; APOLINÁRIO, J. A. ; LAAKSO, T. . Multichannel fast QR-decomposition RLS algorithms with explicit weight extraction. In: European Signal Processing Conference, 2006, Florence. European Signal Processing Conference, 2006.

  • Gregorio, F. ; WERNER, S. ; Juan Cousseau ; LAAKSO, T. . Analysis of SDMA-OFDM systems in the presence of power amplifier nonlinearities. In: IEEE Workshop on Signal Processing Advances in Wireless Communications, 2006, Cannes. IEEE Workshop on Signal Processing Advances in Wireless Communications, 2006.

  • WERNER, S. ; Enescu, M. ; Koivunen, V. . Combined frequency and time domain channel estimation in mobile MIMO-OFDM systems. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006, Toulouse. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006.

  • Shoaib, M. ; WERNER, S. ; APOLINÁRIO, J. A. ; LAAKSO, T. . Solution to the weight extraction problem in fast QR decomposition RLS algorithms. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006, Toulouse. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006.

  • Zacarías, B. E. ; WERNER, S. ; Wichman, R. (Risto Wichman) . Partial update adaptive transmit beamforming with limited feedback. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006, Toulouse. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006.

  • WERNER, S. ; DINIZ, P. S. R. ; Moreira, J. E. W. . Set-membership affine projection algorithm with variable data-reuse factor. In: IEEE International Symposium on Circuits and Systems, 2006, Kos. IEEE International Symposium on Circuits and Systems, 2006.

  • DINIZ, P. S. R. ; Braga, R. ; WERNER, S. . Set-membership affine projection algorithm for echo cancellation. In: IEEE International Symposium on Circuits and Systems, 2006, Kos. IEEE International Symposium on Circuits and Systems, 2006.

  • Shoaib, M. ; WERNER, S. ; APOLINÁRIO, J. A. ; LAAKSO, T. . Equivalent output filtering using fast QRD-RLS algorithm for burst-time training. In: IEEE International Symposium on Circuits and Systems, 2006, Kos. IEEE International Symposium on Circuits and Systems, 2006.

  • Figueroa, J. ; Juan Cousseau ; WERNER, S. ; LAAKSO, T. . Adaptive control of a neutralization reactor. In: International Symposium on Advanced Control of Chemical Processes, 2006, Gramada. International Symposium on Advanced Control of Chemical Processes, 2006.

  • Zacarías, B. E. ; WERNER, S. ; Wichman, R. (Risto Wichman) . Adaptive Transmit Eigenbeamforming with Stochastic Unitary Plane Rotations in MIMO Systems With Linear Receivers. In: Zurich Seminar on Communications, 2006, Zurich. Zurich Seminar on Communications, 2006.

  • WERNER, S. ; Enescu, M. ; Koivunen, V. . Low-complexity time-domain channel estimators for mobile wireless OFDM systems. In: IEEE Workshop on Signal Processing Systems, 2005, Athens. IEEE Workshop on Signal Processing Systems, 2005.

  • WERNER, S. ; APOLINÁRIO, J. A. ; DINIZ, P. S. R. ; LAAKSO, T. . A set-membership approach to normalized proportionate adaptation algorithms. In: European Signal Processing Conference, 2005, Antalya. European Signal Processing Conference, 2005.

  • Ramos, A. ; APOLINÁRIO, J. A. ; WERNER, S. . A general approach to the derivation of block multichannel fast QRD-RLS algorithms. In: European Signal Processing Conference, 2005, Antalya. European Signal Processing Conference, 2005.

  • Zacarías, B. E. ; WERNER, S. ; Wichman, R. (Risto Wichman) . Filtered gradient algorithm for closed loop MIMO systems. In: IEEE Vehicular Technology Conference, 2005, Stockholm. IEEE Vehicular Technology Conference, 2005.

  • Cheong, M. Y. ; WERNER, S. ; Juan Cousseau ; LAAKSO, T. . Predistorter identification using the simplicial canonical piecewise linear function. In: International Conference on Telecommunications, 2005, Capetown. International Conference on Telecommunications, 2005.

  • WERNER, S. ; With, M. ; Koivunen, V. . Householder-based low-rank space-time processor for anti-jamming navigation receivers. In: European Signal Processing Conference, 2004, Vienna. European Signal Processing Conference, 2004.

  • With, M. ; WERNER, S. ; Koivunen, V. . Householder-based anti-jamming navigation receiver structures. In: IEEE Sensor Array and Multichannel Signal Processing Workshop, 2004, Sitges. IEEE Sensor Array and Multichannel Signal Processing Workshop, 2004.

  • Cheong, M. Y. ; WERNER, S. ; LAAKSO, T. . Design of predistorters for power amplifiers in future mobile communications systems. In: IEEE Nordic Signal Processing Symposium, 2004, Espoo. IEEE Nordic Signal Processing Symposium, 2004.

  • CAMPOS, M. L. R. ; WERNER, S. ; APOLINÁRIO, J. A. . On an efficient implementation of the multistage Wiener filter through Householder reflections for DS-CDMA interference. In: IEEE Global Communications Conference, 2003, San Fransisco. IEEE Global Communications Conference, 2003.

  • WERNER, S. ; CAMPOS, M. L. R. ; APOLINÁRIO, J. A. . On the Equivalence of the Constrained RLS and the GSC-RLS Beamformers. In: IEEE InternationalTelecommunication Symposium, 2002, Natal. IEEE InternationalTelecommunication Symposium, 2002.

  • WERNER, S. ; CAMPOS, M. L. R. ; DINIZ, P. S. R. . Mean-squared analysis of the partial-update NLMS Algorithm. In: IEEE InternationalTelecommunication Symposium, 2002, Natal. IEEE InternationalTelecommunication Symposium, 2002.

  • WERNER, S. ; CAMPOS, M. L. R. ; DINIZ, P. S. R. . Partial-update NLMS Algorithms with Data-Selective Updating. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2002, Orlando. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2002.

  • WERNER, S. ; APOLINÁRIO, J. A. ; CAMPOS, M. L. R. . Data-selective Constrained Affine Projection Algorithm. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2001, Salt Lake City. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2001.

  • APOLINÁRIO, J. A. ; WERNER, S. . Conjugate Gradient Algorithm With Data Selective Updating. In: 19º Simpósio Brasileiro de Telecomunicação, 2001, Fortaleza. 19º Simpósio Brasileiro de Telecomunicação, 2001.

  • DINIZ, P. S. R. ; WERNER, S. . Adaptive Filtering for Wireless Communications System. In: First Balkan Conference on Signal Processing, Communications, Circuits and Systems, 2000, Istambul. First Balkan Conference on Signal Processing, Communications, Circuits and Systems, 2000.

  • DINIZ, P. S. R. ; WERNER, S. . Set-Membership Binormalized data-reusing Algorithms. In: IFAC Symposium on System Identification, 2000, Santa Barbara. IFAC Symposium on System Identification, 2000.

  • WERNER, S. ; CAMPOS, M. L. R. ; APOLINÁRIO, J. A. . Kalman Based Chip Equalization for WCDMA downlink. In: European Signal Processing Conference, 2000, Tampere. European Signal Processing Conference, 2000.

  • WERNER, S. ; LILLEBERG, J. . Downlink Channel Decorrelation in CDMA Systems With Long Codes. In: IEEE Vehicular Technology Conference, 1999, Houston. IEEE Vehicular Technology Conference, 1999.

  • CAMPOS, M. L. R. ; WERNER, S. ; APOLINÁRIO, J. A. . Householder-transform Constrained LMS Algorithms with Reduced-Rank Updating. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 1999, Phoenix. IEEE International Conference on Acoustics, Speech, and Signal Processing, 1999.

  • APOLINÁRIO, J. A. ; WERNER, S. ; LAAKSO, T. ; DINIZ, P. S. R. . Constrained Normalized Adaptive Filtering for CDMA Mobile Communications. In: European Signal Processing Conference, 1998, Ilha de Rhodes. European Signal Processing Conference, 1998.

  • BAGHAIE, R. ; WERNER, S. ; LAAKSO, T. . Relaxed look-ahead Technique for Pipelined Implementation of Adaptive multiple-antenna CDMA mobile Receivers. In: European Signal Processing Conference, 1998, Ilha de Rhodes. European Signal Processing Conference, 1998.

  • CAMPOS, M. L. R. ; WERNER, S. ; APOLINÁRIO, J. A. ; LAAKSO, T. . Constrained Quasi-newton Algorithm for CDMA Mobile Communications. In: SBrT/IEEE International Telecommunications Symposium, 1998, São Paulo. SBrT/IEEE International Telecommunications Symposium, 1998.

  • WERNER, S. ; APOLINÁRIO, J. A. . Multiple-Antenna CDMA Mobile Reception Using Constrained Normalized Adaptive Algorithms. In: SBrT/IEEE International Telecommunications Symposium, 1998, São Paulo. SBrT/IEEE International Telecommunications Symposium, 1998.

  • WERNER, S. ; LAAKSO, T. ; LILLEBERG, J. . Multiple-Antenna receiver for CDMA Mobile Reception. In: IEEE International Conference on Communications, 1998, Atlanta. IEEE International Conference on Communications, 1998.

  • WERNER, S. ; APOLINÁRIO, J. A. . Application of Constrained Normalized Algorithms for a Multiple-Antenna CDMA Mobile Receiver. In: IEEE Nordic Signal Processing Symposium, 1998, Vigs. IEEE Nordic Signal Processing Symposium, 1998.

  • BAGHAIE, R. ; WERNER, S. . Pipelined Adaptive CDMA Mobile Receivers. In: IEEE Nordic Signal Processing Symposium, 1998, Vigs. IEEE Nordic Signal Processing Symposium, 1998.

  • BAGHAIE, R. ; WERNER, S. ; LAAKSO, T. . Pipelined Implementation of adaptive Multiple-Antenna CDMA Mobile Receivers. In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 1998, Seattle. IEEE International Conference on Acoustics, Speech, and Signal Processing, 1998.

Prêmios

1998

IEEE Communications Society International Student Travel Award (at IEEE International Conference on Communications), IEEE Communications Society.

Histórico profissional

Endereço profissional

  • Helsinki University Of Technology. , P.O. Box 3000, 02015 - Helsinki, - Suécia, Telefone: (358) 94512935, Fax: (358) 9460224, URL da Homepage:

Propriedade Intelectual

Patentes (6)