Visa Koivunen Group

Research output

Research output per year 2010 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

• 160 Conference contribution
• 64 Article
• 8 Chapter
• 2 Review Article
• 4 More
  • 1 Book
  • 1 Poster
  • 1 Editorial
  • 1 Special issue

Research output per year

Research output per year

Search results

• 2014

  Multipath-Aided Cooperative Network Localization Using Convex Optimization

  Naseri, H., Costa, M. & Koivunen, V., 2014, Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, November 2-5, 2014. Pacific Grove, CA, USA

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Production equilibrium in cooperative smart hybrid renewable minigrids

  Rajasekharan, J. & Koivunen, V., 2014, 48th Annual Conference on Information Sciences and Systems (CISS), Princeton, NJ, 19-21 March 2014. IEEE

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  1 Citation (Scopus)

• Robust iterative hard thresholding for compressed sensing

  Ollila, E., Kim, H-J. & Koivunen, V., 2014, International Symposium on Communications, Control, and Signal Processing (ISCCSP'14), Athens, Greece, May 21-23, 2014. p. 226-229

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  15 Citations (Scopus)

• Robust iteratively reweighted LASSO estimation for sparse tensor factorizations

  Kim, H-J., Ollila, E., Koivunen, V. & Poor, H. V., 2014, IEEE Workshop on Statistical Signal Processing (SSP'14), Cold Coast, Australia, June 29 - July 2, 2014. p. 452-455

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
• 2013

  Adaptive processing and realistic signal propagation modeling for multiantenna vital sign radar

  Aho, J., Salmi, J. & Koivunen, V., 2013, IEEE Radar Conference 2013: "The Arctic - The New Frontier", RadarCon 2013. 6586025. (IEEE Radar Conference).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  • Radar 100%
  • Continuous wave radar 83%
  • Antennas 79%
  • Doppler effect 76%
  2 Citations (Scopus)

• A Sensing Policy Based on Confidence Bounds and a Restless Multi-Armed Bandit Model

  Oksanen, J., Koivunen, V. & Poor, H. V., 2013, The 46th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 2012. p. 318-323

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  8 Citations (Scopus)

• Competitive Equilibrium Pricing and Cooperation in Smart Grids with Energy Storage.

  Rajasekharan, J., Lunden, J. & Koivunen, V., 2013, Conference on Information Sciences and Systems (CISS)John Hopkins University, Baltimore, Maryland, US.March 20-22, 2013.. Baltimore, MD, p. 1-5

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  9 Citations (Scopus)

• Control symbol based fluctuating target detection in DVB-T2 passive radar systems

  Pölönen, K. & Koivunen, V., 2013, IEEE Radar Conference, Ottawa (ON), Canada, April 29 - May 3, 2013. p. 1-5

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  9 Citations (Scopus)

• Demand side management through electricity pricing in competitive environments

  Rautiainen, T., Lundén, J., Werner, S. & Koivunen, V., 2013, The 4th IEEE European Innovative Smart Grid Technologies Conference, Copenhagen, Denmark, October 6-9, 2013.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  3 Citations (Scopus)

• Distributed demand-side optimization with load uncertainty

  Lundén, J., Werner, S. & Koivunen, V., 2013, The 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, Vancouver, Canada, May 26-31, 2013. p. 5229-5232

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  11 Citations (Scopus)

• Impact of Reporting-Channel Coding on the Performance of Distributed Sequential Sensing

  Chaudhari, S. & Koivunen, V., 2013, IEEE Signal Processing Advances in Wireless Communications (SPAWC) , Darmstadt, Germany, Jun. 16-19, 2013.. IEEE: IEEE, p. 185-189

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  2 Citations (Scopus)

• Improved MIMO radar channel estimation using spatial coding

  Aittomäki, T. & Koivunen, V., 2013, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada, May 26-31, 2013. p. 4120-4124

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  2 Citations (Scopus)

• On the BEP Walls for Soft Decision Based Cooperative Sensing in Cognitive Radios

  Chaudhari, S., Lunden, J. & Koivunen, V., 2013, IEEE Internation Conference on Communications (ICC) , Budapest, Hungary, Jun. 10-13, 2013.. IEEE: IEEE, p. 2627-2632

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  1 Citation (Scopus)

• Robust and sparse estimation of tensor decompositions

  Kim, H-J., Ollila, E., Koivunen, V. & Croux, C., 2013, IEEE Global Conference on Signal and Information Processing; Austin, USA; December 3 - 5, 2013. p. 965

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  9 Citations (Scopus)

• Robust regularized M-estimators of regression parameters and covariance matrix

  Ollila, E., Kim, H-J. & Koivunen, V., 2013, nternational Workshop on Advances in Regularization, Optimization, Kernel Methods and Support Vector Machines; Leuven, Belgium; July 8-10, 2013. p. 67-68

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Scheduling of Plug-in Electric Vehicle Battery Charging with Price Prediction

  Chis, A., Lundén, J. & Koivunen, V., 2013, The 4th IEEE PES Innovative Smart Grid Technologies Europe Conference, Copenhagen, Denmark, October 6-9 2013. Copenhagen, Denmark

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  13 Citations (Scopus)

• Sparse regularization of tensor decompositions

  Kim, H-J., Ollila, E. & Koivunen, V., 2013, IEEE International Conference on Acoustics, Speech and Signal Processing; Vancouver, Canada; May 26 - 31, 2013. p. 3836-3840

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  6 Citations (Scopus)

• Synchronization and ranging by scheduled broadcasting

  Naseri, H., Salmi, J. & Koivunen, V., 2013, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2013); Vancouver, Canada; May 26-31, 2013. Vancouver, British Columbia, Canada: IEEE, p. 4878-4882

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  6 Citations (Scopus)
• 2012

  BEP Walls for Cooperative Bayesian Detection with Reporting Channel Errors

  Chaudhari, S., Lundén, J. & Koivunen, V., 2012, PIMRC The 23rd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Sydney, Australia, September 9-12, 2012. p. 2166-2172

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  1 Citation (Scopus)

• Continuous Wave Radar based Vital Sign Estimation: Modeling and Experiments

  Salmi, J., Luukkonen, O. & Koivunen, V., 2012, RADAR 2012 IEEE Radar Conference, Atlanta, May 7-11, 2012.. p. 564-569

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  16 Citations (Scopus)

• Design of spectrum sensing policy for multi-user multi-band cognitive radio network

  Oksanen, J., Lundén, J. & Koivunen, V., 2012, CISS The 46th Annual Conference on Information Sciences and Systems (CISS 2012), Princeton, NJ, USA, March 21-23, 2012.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  5 Citations (Scopus)

• Detection of DVB-T2 control symbols in passive radar systems

  Pölönen, K. & Koivunen, V., 2012, SAM The 7th IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM); Hoboken (NJ), USA; June 17-20, 2012. p. 309-312

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  12 Citations (Scopus)

• Dual-Lag Correlation-Based Feature Detection of OFDM Signals with Cyclic Phase Compensation

  Turunen, V., Kosunen, M., Koivunen, V. & Ryynänen, J., 2012, COCORA The Second International Conference on Advances in Cognitive Radio, COCORA 2012, Chamonix / Mont Blanc, France, April 29 - May 4, 2012. p. 1-4

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Effects of Quantization and Channel Errors on Sequential Detection in Cognitive Radios

  Chaudhari, S., Lunden, J. & Koivunen, V., 2012, CISS 46th Conf. on Information Science and Systems (CISS), , Princeton, USA, Mar. 21-23, 2012. Princeton, USA: Princeton University Press

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  5 Citations (Scopus)

• Efficient computation of effective SINR

  Oborina, A., Henttonen, T., Koivunen, V. & Moisio, M., 2012, CISS 46th Annual Conference on Information Sciences and Systems (CISS); Princeton, NJ, USA; March 21-23, 2012. p. 1-6

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  6 Citations (Scopus)

• Incorporating Array Nonidealities Into Adaptive Capon Beamformer for Source Tracking

  Costa, M. & Koivunen, V., 2012, SAM The 7th IEEE Sensor Array and Multichannel Signal Processing Workshop, Hoboken, New Jersey, USA, June17-20, 2012. Hoboken, New Jersey, USA, p. 445

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  2 Citations (Scopus)

• Locally optimum and suboptimum detection of complex-valued cyclostationary signals

  Lundén, J. & Koivunen, V., 2012, CISS The 46th Annual Conference on Information Sciences and Systems (CISS 2012), Princeton, NJ, USA, March 21-23, 2012.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  3 Citations (Scopus)

• Resource minimization driven spectrum sensing policy

  Oksanen, J., Lundén, J. & Koivunen, V., 2012, ICASSP The 37th International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012), Kyoto, Japan, March 25-30. p. 3657-3660

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  1 Citation (Scopus)

• Robust Greedy Algorithms for Compressed Sensing

  Razavi, S. A., Ollila, E. & Koivunen, V., 2012, EUSIPCO The 20th European Signal Processing Conference (EUSIPCO'12), Bucharest, Romania, Aug 28-31, 2012. p. 969-973

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  27 Citations (Scopus)

• Target velocity estimation with distributed MIMO radar using multiple pulse repetition frequencies

  Aittomaki, T. & Koivunen, V., 2012, ICASSP 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP); Kyoto, Japan; March 25-30, 2012. p. 5201-5204

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  1 Citation (Scopus)
• 2011

  Ambiguity analysis of isolation - based multi-antenna structures on mobile terminal

  Azremi, A. A. H., Costa, M., Koivunen, V. & Vainikainen, P., 2011, 5th European Conference on Antennas and Propagation (EUCAP 2011), Rome, Italy, 11-15 April, 2011. IEEE, p. 552-556

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  7 Citations (Scopus)

• A robust estimator and detector of circularity of complex signals

  Ollila, E., Koivunen, V. & Poor, H. V., 2011, ICASSP IEEE International Conference on Acoustics, Speech and Signal Processing(ICASSP'11), Prague, Czech republic, May 22 - 27, 2011.. p. 3620

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  8 Citations (Scopus)

• BEP Walls for Collaborative Spectrum Sensing

  Chaudhari, S., Lunden, J. & Koivunen, V., 2011, ICASSP IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), May 22-27, 2011. IEEE, p. 2984

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  25 Citations (Scopus)

• Complex-valued signal processing - essential models, tools and statistics

  Ollila, E., Koivunen, V. & Poor, H. V., 2011, 2011 Information Theory and Applications Workshop, San Diego, CA, USA, Feb 6 - 11, 2011..

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  11 Citations (Scopus)

• Cooperative game theory and auctioning for spectrum allocation in cognitive radios

  Rajasekharan, J., Eriksson, J. & Koivunen, V., 2011, PIMRC 22nd IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), Toronto Canada, 11-14 Sept. 2011. p. 656-660

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  5 Citations (Scopus)

• Effects of Quantization on BEP Walls for Soft Decision Based Cooperative Sensing

  Chaudhari, S., Lunden, J. & Koivunen, V., 2011, SPAWC International Workshop on Signal Processing Advances in Wireless Communication, San Francisco, USA, June 26-29, 2011. USA, p. 106-110

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  2 Citations (Scopus)

• Exploiting spatial diversity in multiagent reinforcement learning based spectrum sensing

  Lundén, J., Koivunen, V., Kulkarni, S. R. & Poor, H. V., 2011, CAMSAP The Fourth IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP 2011), San Juan, Puerto Rico, December 13-16, 2011.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  6 Citations (Scopus)

• Model order selection in sensor array response modeling

  Costa, M., Richter, A. & Koivunen, V., 2011, ACSSC Signals, Systems and Computers (ASILOMAR)2011 Conference Record of the Forty Fifth Asilomal Conference, USA, Nov.6-9, 2011. USA, p. 634-638 (Conference Record of the Asilomar Conference on Signals Systems and Computers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  2 Citations (Scopus)

• On the performance of flexible UL-DL switching point in TDD wireless networks

  Jänis, P., Koivunen, V. & Ribeiro, C. B., 2011, GLOBECOM Workshops (GC Wkshps), 2011 IEEE , Houston Texas USA, 5-9 Dec. 2011. p. 225-230

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  7 Citations (Scopus)

• Performance limitations for cooperative spectrum sensing with reporting channel errors

  Chaudhari, S., Lunden, J. & Koivunen, V., 2011, PIMRC 22nd IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), Toronto Canada, 11-14 September, 2011. p. 337-342

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  6 Citations (Scopus)

• Reduced complexity space-time coding in single-frequency networks

  Pölönen, K. & Koivunen, V., 2011, WCNC 2011 IEEE Wireless Communications and Networking Conference (WCNC), Cancun Mexico, 28-31 March, 2011. p. 1523-1528

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  2 Citations (Scopus)

• Reinforcement learning based distributed multiagent sensing policy for cognitive radio networks

  Lundén, J., Koivunen, V., Kulkarni, S. R. & Poor, H. V., 2011, DySPAN 2011 IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN 2011), Aachen, Germany, May 3-6, 2011. p. 642-646

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  40 Citations (Scopus)

• Resource allocation for target detection in distributed MIMO radars

  Aittomaki, T., Godrich, H., Poor, H. V. & Koivunen, V., 2011, ACSSC 45th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2011, Pacific Grove, CA, 6 November 2011 - 9 November 2011. p. 873-877 (Conference Record of the Asilomar Conference on Signals Systems and Computers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  9 Citations (Scopus)

• Widely distributed MIMO radar beamforming for detecting targets with slow RCS fluctuations

  Aittomäki, T. & Koivunen, V., 2011, ICASSP Acoustics, Speech and Signal Processing (ICASSP), 2011 IEEE International Conference on , Chech Republic, 22-27 May, 2011. p. 2792-2795

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  2 Citations (Scopus)
• 2010

  Cell Hearability Analysis in UTRAN Long Term Evolution Downlink

  Oborina, A., Henttonen, T. & Koivunen, V., 2010, ACSSC Forty-Third Asilomar Conference on Signals, Systems and Computers (ACSSC), Pacific Grove, California, USA, November 1-4, 2009. p. 991-995

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  4 Citations (Scopus)

• Characterization of spatial diversity in cooperative spectrum sensing

  Oksanen, J., Koivunen, V. & Lundén, J., 2010, 4th International Symposium on Communications, Control and Signal Processing, Limassol, Cyprus, March 3-5, 2010. p. 1-5

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  6 Citations (Scopus)

• Cooperative game-theoretic modeling for spectrum sensing in cognitive radios

  Rajasekharan, J., Eriksson, J. & Koivunen, V., 2010, Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010. p. 165-169 5 p. 5757490. (Conference Record of the Asilomar Conference on Signals Systems and Computers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  • Toys 100%
  • Cognitive radio 78%
  5 Citations (Scopus)

• Diversity-Based Spectrum Sensing Policy For Detecting Primary Signals Over Multiple Frequency Bands

  Oksanen, J., Koivunen, V., Lundén, J. & Huttunen, A., 2010, ICASSP 2010 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Dallas, USA, March 14-19, 2010. p. 3130-3133

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  11 Citations (Scopus)

• Effective SINR distribution in MIMO OFDM systems

  Oborina, A., Koivunen, V. & Henttonen, T., 2010, Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010. p. 511-515 5 p. 5757611. (Conference Record of the Asilomar Conference on Signals Systems and Computers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  • Long Term Evolution (LTE) 100%
  • Normal distribution 97%
  • Convolution 86%
  • Orthogonal frequency division multiplexing 79%
  3 Citations (Scopus)

• Effect on Quantization and Channel Errors on Collaborative Spectrum Sensing

  Chaudhari, S. & Koivunen, V., 2010, ACSSC Forty-Third Asilomar Conference on Signals, Systems and Computers (ACSSC), Pacific Grove, California, November 1-4, 2009. p. 528-533

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

  18 Citations (Scopus)