| 2009 | ||
|---|---|---|
| 45 | 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 | 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 | Esa Ollila, Visa Koivunen: Complex ICA using generalized uncorrelating transform. Signal Processing 89(4): 365-377 (2009) | |
| 42 | 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 | Alexandra Oborina, Martti Moisio, Tero Henttonen, Esa Pernila, Visa Koivunen: MIMO performance evaluation in UTRAN Long Term Evolution downlink. CISS 2008: 1179-1183 | |
| 40 | Sachin Chaudhari, Jarmo Lundén, Visa Koivunen: Collaborative autocorrelation-based spectrum Sensing of OFDM signals in cognitive radios. CISS 2008: 191-196 | |
| 39 | Man-On Pun, Visa Koivunen, H. Vincent Poor: SINR Analysis of Opportunistic MIMO-SDMA Downlink Systems with Linear Combining. ICC 2008: 3720-3724 | |
| 38 | 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 | 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 | 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 | Timo Roman, Visa Koivunen: Carrier frequency synchronization for mobile television receivers. ISCAS 2007: 261-264 | |
| 34 | 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 | Yuanning Yu, Athina P. Petropulu, H. Vincent Poor, Visa Koivunen: Blind Estimation of Multiple Carrier Frequency Offsets CoRR abs/0707.0463: (2007) | |
| 32 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | Fabio Belloni, Visa Koivunen: Beamspace Transform for UCA: Error Analysis and Bias Reduction. IEEE Transactions on Signal Processing 54(8): 3078-3089 (2006) | |
| 20 | 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 | 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 | Jan Eriksson, Visa Koivunen: Blind separation of a class of nonlinear ICA models. ISCAS (6) 2005: 5890-5893 | |
| 17 | Visa Koivunen, Mihai Enescu: Estimating the fading coefficient in mobile OFDM systems using state-space model. ISCAS (6) 2005: 6094-6097 | |
| 16 | Jan Eriksson, Visa Koivunen: Complex Random Vectors and ICA Models: Identifiability, Uniqueness and Separability CoRR abs/cs/0512063: (2005) | |
| 15 | Mihai Enescu, Marius Sirbu, Visa Koivunen: Adaptive equalization of time-varying MIMO channels. Signal Processing 85(1): 81-93 (2005) | |
| 2003 | ||
| 14 | Jan Eriksson, Visa Koivunen: Characteristic-function-based independent component analysis. Signal Processing 83(10): 2195-2208 (2003) | |
| 2002 | ||
| 13 | Juha Karvanen, Visa Koivunen: Blind separation methods based on Pearson system and its extensions. Signal Processing 82(4): 663-673 (2002) | |
| 12 | Juha Karvanen, Jan Eriksson, Visa Koivunen: Adaptive Score Functions for Maximum Likelihood ICA. VLSI Signal Processing 32(1-2): 83-92 (2002) | |
| 2001 | ||
| 11 | 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 | 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 | 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 | Visa Koivunen, Nageen Himayat, Saleem A. Kassam: Multivariate MTM filters-analysis and design options. ICIP 1995: 354-357 | |
| 5 | 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 | |