| * | 2009 |
|---|
| 45 | EE | Esa Ollila,
Visa Koivunen:
Influence Function and Asymptotic Efficiency of Scatter Matrix Based Array Processors: Case MVDR Beamformer.
IEEE Transactions on Signal Processing 57(1): 247-259 (2009) |
| 44 | EE | Jussi Salmi,
Andreas Richter,
Visa Koivunen:
Detection and Tracking of MIMO Propagation Path Parameters Using State-Space Approach.
IEEE Transactions on Signal Processing 57(4): 1538-1550 (2009) |
| 43 | EE | Esa Ollila,
Visa Koivunen:
Complex ICA using generalized uncorrelating transform.
Signal Processing 89(4): 365-377 (2009) |
| 42 | EE | Traian E. Abrudan,
Jan Eriksson,
Visa Koivunen:
Conjugate gradient algorithm for optimization under unitary matrix constraint.
Signal Processing 89(9): 1704-1714 (2009) |
| 2008 |
|---|
| 41 | EE | Alexandra Oborina,
Martti Moisio,
Tero Henttonen,
Esa Pernila,
Visa Koivunen:
MIMO performance evaluation in UTRAN Long Term Evolution downlink.
CISS 2008: 1179-1183 |
| 40 | EE | Sachin Chaudhari,
Jarmo Lundén,
Visa Koivunen:
Collaborative autocorrelation-based spectrum Sensing of OFDM signals in cognitive radios.
CISS 2008: 191-196 |
| 39 | EE | Man-On Pun,
Visa Koivunen,
H. Vincent Poor:
SINR Analysis of Opportunistic MIMO-SDMA Downlink Systems with Linear Combining.
ICC 2008: 3720-3724 |
| 38 | EE | Esa Ollila,
Hannu Oja,
Visa Koivunen:
Complex-valued ICA based on a pair of generalized covariance matrices.
Computational Statistics & Data Analysis 52(7): 3789-3805 (2008) |
| 37 | EE | Traian E. Abrudan,
Jan Eriksson,
Visa Koivunen:
Steepest Descent Algorithms for Optimization Under Unitary Matrix Constraint.
IEEE Transactions on Signal Processing 56(3): 1134-1147 (2008) |
| 36 | EE | Esa Ollila,
Hyon-Jung Kim,
Visa Koivunen:
Compact Cramér-Rao Bound Expression for Independent Component Analysis.
IEEE Transactions on Signal Processing 56(4): 1421-1428 (2008) |
| 2007 |
|---|
| 35 | EE | Timo Roman,
Visa Koivunen:
Carrier frequency synchronization for mobile television receivers.
ISCAS 2007: 261-264 |
| 34 | EE | Man-On Pun,
Visa Koivunen,
H. Vincent Poor:
Opportunistic Scheduling and Beamforming for MIMO-SDMA Downlink Systems with Linear Combining
CoRR abs/0706.3846: (2007) |
| 33 | EE | Yuanning Yu,
Athina P. Petropulu,
H. Vincent Poor,
Visa Koivunen:
Blind Estimation of Multiple Carrier Frequency Offsets
CoRR abs/0707.0463: (2007) |
| 32 | EE | Jarmo Lundén,
Visa Koivunen,
Anu Huttunen,
H. Vincent Poor:
Spectrum Sensing in Cognitive Radios Based on Multiple Cyclic Frequencies
CoRR abs/0707.0909: (2007) |
| 31 | EE | Cássio B. Ribeiro,
Esa Ollila,
Visa Koivunen:
Stochastic Maximum-Likelihood Method for MIMO Propagation Parameter Estimation.
IEEE Transactions on Signal Processing 55(1): 46-55 (2007) |
| 30 | EE | Cássio B. Ribeiro,
Andreas Richter,
Visa Koivunen:
Joint Angular- and Delay-Domain MIMO Propagation Parameter Estimation Using Approximate ML Method.
IEEE Transactions on Signal Processing 55(10): 4775-4790 (2007) |
| 29 | EE | Fabio Belloni,
Andreas Richter,
Visa Koivunen:
DoA Estimation Via Manifold Separation for Arbitrary Array Structures.
IEEE Transactions on Signal Processing 55(10): 4800-4810 (2007) |
| 28 | EE | Tommi Koivisto,
Visa Koivunen:
Blind despreading of short-code DS-CDMA signals in asynchronous multi-user systems.
Signal Processing 87(11): 2560-2568 (2007) |
| 27 | EE | Mihai Enescu,
Timo Roman,
Visa Koivunen:
State-space approach to spatially correlated MIMO OFDM channel estimation.
Signal Processing 87(9): 2272-2279 (2007) |
| 2006 |
|---|
| 26 | EE | Scott C. Douglas,
Jan Eriksson,
Visa Koivunen:
Fixed-Point Complex ICA Algorithms for the Blind Separation of Sources Using Their Real or Imaginary Components.
ICA 2006: 343-351 |
| 25 | EE | Scott C. Douglas,
Jan Eriksson,
Visa Koivunen:
Equivariant Algorithms for Estimating the Strong-Uncorrelating Transform in Complex Independent Component Analysis.
ICA 2006: 57-65 |
| 24 | EE | Maarit Melvasalo,
Pekka Jänis,
Visa Koivunen:
MMSE equalizer and chip level inter-antenna interference canceler for HSDPA MIMO systems.
VTC Spring 2006: 2008-2012 |
| 23 | EE | Jussi Salmi,
Andreas Richter,
Mihai Enescu,
Pertti Vainikainen,
Visa Koivunen:
Propagation Parameter Tracking using Variable State Dimension Kalman Filter.
VTC Spring 2006: 2757-2761 |
| 22 | EE | Jan Eriksson,
Visa Koivunen:
Complex random vectors and ICA models: identifiability, uniqueness, and separability.
IEEE Transactions on Information Theory 52(3): 1017-1029 (2006) |
| 21 | EE | Fabio Belloni,
Visa Koivunen:
Beamspace Transform for UCA: Error Analysis and Bias Reduction.
IEEE Transactions on Signal Processing 54(8): 3078-3089 (2006) |
| 20 | EE | Timo Roman,
Samuli Visuri,
Visa Koivunen:
Blind Frequency Synchronization in OFDM via Diagonality Criterion.
IEEE Transactions on Signal Processing 54(8): 3125-3135 (2006) |
| 2005 |
|---|
| 19 | EE | Mikko Valkama,
Markku Renfors,
Visa Koivunen:
Blind I/Q imbalance compensation in OFDM receivers based on adaptive I/Q signal decorrelation.
ISCAS (3) 2005: 2611-2614 |
| 18 | EE | Jan Eriksson,
Visa Koivunen:
Blind separation of a class of nonlinear ICA models.
ISCAS (6) 2005: 5890-5893 |
| 17 | EE | Visa Koivunen,
Mihai Enescu:
Estimating the fading coefficient in mobile OFDM systems using state-space model.
ISCAS (6) 2005: 6094-6097 |
| 16 | EE | Jan Eriksson,
Visa Koivunen:
Complex Random Vectors and ICA Models: Identifiability, Uniqueness and Separability
CoRR abs/cs/0512063: (2005) |
| 15 | EE | Mihai Enescu,
Marius Sirbu,
Visa Koivunen:
Adaptive equalization of time-varying MIMO channels.
Signal Processing 85(1): 81-93 (2005) |
| 2003 |
|---|
| 14 | EE | Jan Eriksson,
Visa Koivunen:
Characteristic-function-based independent component analysis.
Signal Processing 83(10): 2195-2208 (2003) |
| 2002 |
|---|
| 13 | EE | Juha Karvanen,
Visa Koivunen:
Blind separation methods based on Pearson system and its extensions.
Signal Processing 82(4): 663-673 (2002) |
| 12 | EE | Juha Karvanen,
Jan Eriksson,
Visa Koivunen:
Adaptive Score Functions for Maximum Likelihood ICA.
VLSI Signal Processing 32(1-2): 83-92 (2002) |
| 2001 |
|---|
| 11 | EE | Visa Koivunen,
Mihai Enescu,
Erkki Oja:
Adaptive Algorithm for Blind Separation from Noisy Time-Varying Mixtures.
Neural Computation 13(10): 2339-2357 (2001) |
| 1999 |
|---|
| 10 | EE | J. Mannerkoski,
Visa Koivunen:
Error analysis of a multi-step prediction based blind equalizer.
ISCAS (3) 1999: 86-89 |
| 9 | | Samuli Visuri,
Hannu Oja,
Visa Koivunen:
Multichannel signal processing using spatial rank covariance matrices.
NSIP 1999: 75-79 |
| 1996 |
|---|
| 8 | EE | Visa Koivunen:
Nonlinear filtering of multivariate images under robust error criterion.
IEEE Transactions on Image Processing 5(6): 1054-1060 (1996) |
| 7 | | Visa Koivunen,
Jean-Marc Vézien:
Machine Vision Tools for CAGD.
IJPRAI 10(2): 165-182 (1996) |
| 1995 |
|---|
| 6 | EE | Visa Koivunen,
Nageen Himayat,
Saleem A. Kassam:
Multivariate MTM filters-analysis and design options.
ICIP 1995: 354-357 |
| 5 | EE | Visa Koivunen:
A robust nonlinear filter for image restoration.
IEEE Transactions on Image Processing 4(5): 569-578 (1995) |
| 1994 |
|---|
| 4 | | Visa Koivunen:
A Robust Approach to Enhancement of Multivariate Images.
ICIP (2) 1994: 462-466 |
| 3 | | Visa Koivunen,
Nageen Himayat,
Saleem A. Kassam:
Median and Robust Polynomial Filters for Multivariate Image Data.
ICIP (2) 1994: 487-491 |
| 2 | | Visa Koivunen,
Ruzena Bajcsy:
Spline Representations in 3-D Vision.
Object Representation in Computer Vision 1994: 177-190 |
| 1993 |
|---|
| 1 | | Visa Koivunen,
Jean-Marc Vézien,
Ruzena Bajcsy:
Procedural CAD Models from Range Data.
Towards World Class Manufacturing 1993: 87-100 |
