Timo I. Laakso

According to our database, Timo I. Laakso authored at least 59 papers between 1991 and 2014.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2014

Quantization Noise Reduction Techniques for Digital Pulsed RF Signal Generation Based on Quadrature Noise Shaped Encoding.

Henri Ruotsalainen, Holger Arthaber, Timo I. Laakso, Gottfried Magerl

IEEE Trans. Circuits Syst. I Regul. Pap., 2014

2008

Prototype Implementation of Two Efficient Low-Complexity Digital Predistortion Algorithms.

Ernst Aschbacher, Mei Yen Cheong, Peter Brunmayr, Markus Rupp, Timo I. Laakso

EURASIP J. Adv. Signal Process., 2008

Canceling and Selecting Partials from Musical Tones Using Fractional-Delay Filters.

Heidi-Maria Lehtonen, Vesa Välimäki, Timo I. Laakso

Comput. Music. J., 2008

2007

Receiver Cancellation Technique for Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems.

Fernando H. Gregorio, Stefan Werner, Timo I. Laakso, Juan E. Cousseau

IEEE Trans. Veh. Technol., 2007

Efficient Nonlinear Wiener Model Identification Using a Complex-Valued Simplicial Canonical Piecewise Linear Filter.

Juan E. Cousseau, Jose L. Figueroa, Stefan Werner, Timo I. Laakso

IEEE Trans. Signal Process., 2007

Adaptive control of a Wiener type system: application of a pH Neutralization reactor.

José L. Figueroa, Juan E. Cousseau, Stefan Werner, Timo I. Laakso

Int. J. Control, 2007

2006

Iterative Channel Estimation for Multiuser OFDM Systems in the Presence of Power Amplifier Nonlinearities.

Fernando H. Gregorio, Stefan Werner, Juan E. Cousseau, Timo I. Laakso

Proceedings of the IEEE 17th International Symposium on Personal, 2006

Equivalent output-filtering using fast QRD-RLS algorithm for burst-type training applications.

Mobien Shoaib, Stefan Werner, J. A. Apolinário Jr., Timo I. Laakso

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

Receiver Cancellation of Nonlinear Power Amplifier Distortion in SDMA-OFDM Systems.

Chin-Liang Wang, Timo I. Laakso, Juan E. Cousseau

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Solution to the Weight Extraction Problem in Fast QR-Decomposition RLS Algorithms.

Mobien Shoaib, Stefan Werner, José Antonio Apolinário, Timo I. Laakso

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Multichannel fast QR-decomposition RLS algorithms with explicit weight extraction.

Mobien Shoaib, Stefan Werner, José Antonio Apolinário, Timo I. Laakso

Proceedings of the 14th European Signal Processing Conference, 2006

Predistorter design employing parallel piecewise linear structure and inverse coordinate mapping for broadband communications.

Mei Yen Cheong, Stefan Werner, Timo I. Laakso, Juan E. Cousseau, José Luis Figueroa

Proceedings of the 14th European Signal Processing Conference, 2006

2005

An interpolation-based high-precision frequency acquisition method for OFDM systems.

Martin Makundi, Are Hjørungnes, Timo I. Laakso

Proceedings of the Global Telecommunications Conference, 2005. GLOBECOM '05, St. Louis, Missouri, USA, 28 November, 2005

Closed-form design of digital fractional-delay filters with constant magnitude and variable delay.

Xiaojing Zhang, Martin Makundi, Timo I. Laakso

Proceedings of the 13th European Signal Processing Conference, 2005

A set-membership approach to normalized proportionate adaptation algorithms.

Stefan Werner, José Antonio Apolinário, Paulo S. R. Diniz, Timo I. Laakso

Proceedings of the 13th European Signal Processing Conference, 2005

A novel carrier allocation method for multiuser OFDM system with amplifier nonlinearities.

Fernando H. Gregorio, Timo I. Laakso

Proceedings of the 13th European Signal Processing Conference, 2005

RFI cancellation in VDSL systems using a novel complex allpass-based IIR adaptive notch filter.

Fernando H. Gregorio, Juan E. Cousseau, Timo I. Laakso

Proceedings of the 13th European Signal Processing Conference, 2005

2004

Iterative symbol synchronization using variable IIR and FIR fractional-delay filters with arbitrary oversampling ratios.

Martin Makundi, Timo I. Laakso, Are Hjørungnes

Proceedings of the 1st IEEE International Symposium on Wireless Communication Systems, 2004

Generalized symbol synchronization using variable IIR and FIR fractional-delay filters with arbitrary oversampling ratios.

Martin Makundi, Timo I. Laakso, Are Hjørungnes

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

2003

Efficient symbol synchronization techniques using variable FIR or IIR interpolation filters.

Martin Makundi, Timo I. Laakso

Proceedings of the 2003 International Symposium on Circuits and Systems, 2003

Cascaded-parallel adaptive notch filter based on orthogonal decomposition.

Yaohui Liu, Paulo S. R. Diniz, Timo I. Laakso

Proceedings of the 2003 International Symposium on Circuits and Systems, 2003

2002

Asynchronous implementation of transient suppression in tunable IIR filters.

Martin Makundi, Timo I. Laakso, Yaohui Liu

Proceedings of the 14th International Conference on Digital Signal Processing, 2002

2001

Closed-form design of tunable fractional-delay allpass filter structures.

Martin Makundi, Vesa Välimäki, Timo I. Laakso

Proceedings of the 2001 International Symposium on Circuits and Systems, 2001

Adaptive Steiglitz-McBride notch filter design for radio interference suppression in VDSL systems.

Yaohui Liu, Paulo S. R. Diniz, Timo I. Laakso

Proceedings of the Global Telecommunications Conference, 2001

2000

Polynomial filtering approach to reconstruction and noise reduction of nonuniformly sampled signals.

Timo I. Laakso, Andrzej Tarczynski, N. Paul Murphy, Vesa Välimäki

Signal Process., 2000

Principles of fractional delay filters.

Vesa Välimäki, Timo I. Laakso

Proceedings of the IEEE International Conference on Acoustics, 2000

1999

Energy-based effective length of the impulse response of a recursive filter.

Timo I. Laakso, Vesa Välimäki

IEEE Trans. Instrum. Meas., 1999

Iterative multiuser receiver utilizing soft decoding information.

Kimmo Kettunen, Timo I. Laakso

Proceedings of the 1999 IEEE International Conference on Communications: Global Convergence Through Communications, 1999

1998

Suppression of transients in variable recursive digital filters with a novel and efficient cancellation method.

Vesa Välimäki, Timo I. Laakso

IEEE Trans. Signal Process., 1998

Adaptive multiple-antenna receiver for CDMA mobile reception.

Stefan Werner, Timo I. Laakso, Jorma Lilleberg

Proceedings of the 1998 IEEE International Conference on Communications, 1998

Suppression of transients in time-varying recursive filters for audio signals.

Vesa Välimäki, Timo I. Laakso

Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

Pipelined implementation of adaptive multiple-antenna CDMA mobile receivers.

Ramin Baghaie, Stefan Werner, Timo I. Laakso

Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

Relaxed look-ahead technique for pipelined implementation of adaptive multiple-antenna CDMA mobile receivers.

Ramin Baghaie, Stefan Werner, Timo I. Laakso

Proceedings of the 9th European Signal Processing Conference, 1998

Constrained normalized adaptive filters for CDMA mobile communications.

José Antonio Apolinário, Stefan Werner, Paulo S. R. Diniz, Timo I. Laakso

Proceedings of the 9th European Signal Processing Conference, 1998

Step-size optimization of the BNDR-LMS algorithm.

José Antonio Apolinário, Paulo S. R. Diniz, Timo I. Laakso, Marcello L. R. de Campos

Proceedings of the 9th European Signal Processing Conference, 1998

1997

Tracking of mobile users in a mobile communications system using adaptive convergence parameter.

P. T. Karttunen, Timo I. Laakso, Joseph Lilleberg

Proceedings of the 8th IEEE International Symposium on Personal, 1997

1996

Prefiltering approach for optimal polynomial prediction.

Timo I. Laakso, Seppo J. Ovaska

IEEE Trans. Signal Process., 1996

Splitting the unit delay [FIR/all pass filters design].

Timo I. Laakso, Vesa Välimäki, Matti Karjalainen, Unto K. Laine

IEEE Signal Process. Mag., 1996

Applying IIR predictors on Rayleigh fading signal.

P. Taneli Harju, Timo I. Laakso, Seppo J. Ovaska

Signal Process., 1996

Application of NUT-DFT for resampling nonuniformly sampled signals.

Denise M. Bland, Timo I. Laakso, Andrzej Tarczynski

Proceedings of Third International Conference on Electronics, Circuits, and Systems, 1996

Roundoff noise minimization in a direct form delta operator structure.

Juha Kauraniemi, Timo I. Laakso, Iiro Hartimo, Seppo J. Ovaska

Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

Elimination of limit cycles in a direct form delta operator filter.

Juha Kauraniemi, Timo I. Laakso

Proceedings of the 8th European Signal Processing Conference, 1996

1995

Elimination of Transients in Time-Varying Allpass Fractional Delay Filteres with Applications to Digital Waveguide Modeling.

Vesa Välimäki, Timo I. Laakso, Jonathan P. Mackenzie

Proceedings of the 1995 International Computer Music Conference, 1995

Tunable downsampling using fractional delay filters with applications to digital TV transmission.

Timo I. Laakso, Vesa Välimäki, Jukka Henriksson

Proceedings of the 1995 International Conference on Acoustics, 1995

1994

Eigenfilter approach for the design of allpass filters approximating a given phase response.

Truong Q. Nguyen, Timo I. Laakso, Ravinder David Koilpillai

IEEE Trans. Signal Process., 1994

On Perfect-Reconstruction Allpass-Based Cosine-Modulated IIR Filter Banks.

Truong Q. Nguyen, Timo I. Laakso, T. Engin Tuncer

Proceedings of the 1994 IEEE International Symposium on Circuits and Systems, ISCAS 1994, London, England, UK, May 30, 1994

Adaptive Control of Sampling Rate Using a Local Time-Domain Sampling Theorem.

Philip E. Luft, Timo I. Laakso

Proceedings of the 1994 IEEE International Symposium on Circuits and Systems, ISCAS 1994, London, England, UK, May 30, 1994

Design of Limit-Cycle-Free Recursive Transfer Functions for Fixed-Point Direct Form Implementation.

Timo I. Laakso, Markus Lang, Tapio Saramäki

Proceedings of the 1994 IEEE International Symposium on Circuits and Systems, ISCAS 1994, London, England, UK, May 30, 1994

1993

Implementation of a time-varying MIMO system with error feedback.

Timo I. Laakso, Seppo J. Ovaska, Olli Vainio

Signal Process., 1993

Elimination of limit cycles in direct form digital filters using error feedback.

Timo I. Laakso

Int. J. Circuit Theory Appl., 1993

Fractional delay digital filters.

Vesa Välimäki, Matti Karjalainen, Timo I. Laakso

Proceedings of the 1993 IEEE International Symposium on Circuits and Systems, 1993

Optimal polynomial predictors with application specific prefilters.

Timo I. Laakso, Seppo J. Ovaska

Proceedings of the 1993 IEEE International Symposium on Circuits and Systems, 1993

Modeling of Woodwind Bores with Finger Holes.

Vesa Välimäki, Matti Karjalainen, Timo I. Laakso

Proceedings of the Opening a New Horizon: Proceedings of the 1993 International Computer Music Conference, 1993

Designing allpass filters using the eigenfilter method.

Timo I. Laakso, T. Q. Nguyen, Ravinder David Koilpillai

Proceedings of the IEEE International Conference on Acoustics, 1993

1992

Noise reduction in recursive digital filters using high-order error feedback.

Timo I. Laakso, Iiro Hartimo

IEEE Trans. Signal Process., 1992

Real-Time Implementation Techniques for a Continuously Variable Digital Delay in Modeling Musical Instruments.

Timo I. Laakso, Vesa Välimäki, Matti Karjalainen, Unto K. Laine

Proceedings of the 1992 International Computer Music Conference, 1992

1991

Transmission-Line Modeling and Real-Time Synthesis of String and Wind Instruments.

Matti Karjalainen, Unto K. Laine, Timo I. Laakso, Vesa Välimäki

Proceedings of the 1991 International Computer Music Conference, 1991

Error feedback for floating-point cascade-form digital filters.

Bing Zeng, Timo I. Laakso, Iiro Hartimo, Yrjö Neuvo

Proceedings of the 1991 International Conference on Acoustics, 1991

General criterion for the absence of limit cycles in filter structures with a single quantizer.

Timo I. Laakso, Paulo S. R. Diniz, Iiro Hartimo

Proceedings of the 1991 International Conference on Acoustics, 1991