Risto Wichman Group

Research output

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

• 121 Conference contribution
• 66 Article
• 4 Chapter
• 3 Editorial
• 5 More
  • 1 Entry for encyclopedia / dictionary
  • 1 Abstract
  • 1 Poster
  • 1 Special issue
  • 1 Patent

Research output per year

Research output per year

Search results

• 2012

  Effect of geolocation database update algorithms to the use of TV white spaces

  Ojaniemi, J., Poikonen, J. & Wichman, R., 2012, International Conference on Cognitive Radio Oriented Wireless Networks (CROWNCOM 2012), Stockholm, Sweden, June 18-20, 2012..

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

  10 Citations (Scopus)

• Evaluation of OFDM(A) Relaying Protocols: Capacity Analysis in Infrastructure Framework

  Riihonen, T., Wichman, R. & Werner, S., 2012, In: IEEE Transactions on Vehicular Technology. 61, 1, p. 360-374

  Research output: Contribution to journal › Article › Scientific › peer-review

  25 Citations (Scopus)

• Field measurements of WSD-DTT protection ratios over outdoor and indoor reference geometries

  Talmola, P., Kalliovaara, J., Paavola, J., Ekman, R., Kokkinen, H., Heiska, K., Wichman, R. & Poikonen, J., 2012, International Conference on Cognitive Radio Oriented Wireless Networks (CROWNCOM 2012), Stockholm, Sweden, June 18-20, 2012. p. 7-12

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

  9 Citations (Scopus)

• Impact and Digital Suppression of Oscillator Phase Noise in Radio Communications

  Valkama, M., Syrjälä, V., Wichman, R. & Mathecken, P., 2012, Microwave and Millimeter Wave Circuits and Systems: Emerging Design, Technologies and Applications. Georgiadis, A., Rogier, H., Roselli, L. & Arcioni, P. (eds.). UK: JOHN WILEY & SONS, p. 103-133

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › Scientific

• Layer arrangement for single-user coordinated multi-point transmission

  Schober, K., Wichman, R. & Roman, T., 2012, CISS Information Sciences and Systems (CISS), 2012 46th Annual Conference, Princeton NJ, 21-23 March 2012. Princeton, NJ, p. 1-5

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

  2 Citations (Scopus)

• On TDD Cross-Tier In-Band Interference Mitigation: A Practical Example

  Cierny, M., Wichman, R., Hämäläinen, J., Ribeiro, C., Ding, Z. & Liu, X., 2012, Crowncom 2012, Invited paper track at NSF WiFiUS meeting, Stockholm, June 18-20 2012. IEEE Xplore

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

• Shadow Chasing : A Resource Allocation Scheme For Heterogeneous Networks

  Elsherif, A. R., Ding, Z., Liu, X., Hämäläinen, J. & Wichman, R., 2012, 7th International Conference on Cognitive Radio Oriented Wireless Networks (CrownCom), WiFiUS Track, Stockholm, Sweden, 18-20, June 2012. p. .

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

• Transmit Power Optimization for Multiantenna Decode-and-Forward Relays with Loopback Self-Interference from Full-Duplex Operation

  Riihonen, T., Werner, S. & Wichman, R., 2012, ACSSC 45th Annual Asilomar Conference on Signals, Systems, and Computers (ACSSC), Pacific Grove, California, November 2011. p. 1408-1412 (Conference Record of the Asilomar Conference on Signals Systems and Computers).

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

  44 Citations (Scopus)
• 2011

  Adaptive pre-distortion techniques based on orthogonal polynomials

  Dallinger, R., Ruotsalainen, H., Wichman, R. & Rupp, M., 2011, ACSSC 44th Annual Asilomar Conference on Signals, Systems,and Computers (ACSSC), Pacific Grove, California, USA, November 2010. p. 1945-1950 (Conference Record of the Asilomar Conference on Signals Systems and Computers).

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

• Beamforming Codesbooks for Two Transmit Antenna Systems Based on Optimum Grassmannian Packings

  Pitaval, R-A., Määttänen, H-L., Schober, K., Tirkkonen, O. & Wichman, R., 2011, In: IEEE Transactions on Information Theory. 57, 10, p. 6591-6602

  Research output: Contribution to journal › Article › Scientific › peer-review

  28 Citations (Scopus)

• Bit Loading Using Imperfect CSIT for Prediction-Based Resource Allocation in Mobile OFDMA

  Schmidt, J. F., Cousseau, J. E., Wichman, R. & Werner, S., 2011, In: IEEE Transactions on Vehicular Technology. 60, 8, p. 4082-4088

  Research output: Contribution to journal › Article › Scientific › peer-review

  7 Citations (Scopus)

• Compensation of IQ imbalance and transmitter nonlinearities in broadband MIMO-OFDM

  Gregorio, F., Cousseau, J., Werner, S., Riihonen, T. & Wichman, R., 2011, IEEE International Symposium on Circuits and Systems (ISCAS 2011), Rio de Janeiro, Brazil, May 15-18, 2011. Rio de Janeiro, p. 2393-2396 (IEEE International Symposium on Circuits and Systems).

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

• Cyclostationary autocorrelation based CFO estimators

  Gonzalez, G., Gregorio, F., Cousseau, J., Werner, S. & Wichman, R., 2011, EUSIPCO 19th European Signal Processing Conference (EUSIPCO 2011), Barcelona, Spain, August 29 - September 2, 2011.. Barcelona, p. 1623-1627

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

• Exclusion regions via handshaking protocol for inter-cell interference management

  Cierny, M., Jänis, P., Wichman, R. & Ribeiro, C., 2011, CISS 45th Annual Conference on Information Sciences and Systems (CISS), Baltimore, MD, 23-25 March 2011. IEEE

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

  1 Citation (Scopus)

• Hybrid Full-Duplex/Half-Duplex Relaying with Transmit Power Adaptation

  Riihonen, T., Werner, S. & Wichman, R., 2011, In: IEEE Transactions on Wireless Communications. 10, 9, p. 3074-3085

  Research output: Contribution to journal › Article › Scientific › peer-review

  547 Citations (Scopus)

• Inter-cell Interference Management in OFDMA TDD Downlink Using Sounding/Silencing Protocol

  Cierny, M., Ribeiro, C., Wichman, R. & Tirkkonen, O., 2011, PIMRC IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, (PIMRC 2011), Toronto, Canada, 11-14 September 2011. p. 5

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

• Low-Complexity Channel Prediction Using Approximated Recursive DCT

  Schmidt, J. F., Cousseau, J. E., Wichman, R. & Werner, S., 2011, In: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS. 58, 10, p. 2520-2530

  Research output: Contribution to journal › Article › Scientific › peer-review

  14 Citations (Scopus)

• MIMO ADAPTIVE CODEBOOK FOR CLOSELY SPACED ANTENNA ARRAYS

  Schober, K., Wichman, R. & Koivisto, T., 2011, EUSIPCO 19th European Signal Processing Conference (EUSIPCO 2011), Barcelona, Spain, August 29 -September 2, 2011. p. 106-110

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

  9 Citations (Scopus)

• Mitigation of Loopback Self-Interference in Full-Duplex MIMO Relays

  Riihonen, T., Werner, S. & Wichman, R., 2011, In: IEEE Transactions on Signal Processing. 59, 12, p. 5983-5993

  Research output: Contribution to journal › Article › Scientific › peer-review

  836 Citations (Scopus)

• Non-linearities modelling and post-compensation in continuous-time S? modulator

  Schmidt, C. A., Cousseau, J. E., Figueroa, J. E., Wichman, R. & Werner, S., 2011, In: IET MICROWAVES ANTENNAS AND PROPAGATION. 5, 15, p. 1796-1804

  Research output: Contribution to journal › Article › Scientific › peer-review

• Normalized covariance matrix quantization for MIMO broadcast systems

  Schober, K., Määttänen, H-L., Tirkkonen, O. & Wichman, R., 2011, EW 17th European Wireless Conference (EW 2011), Vienna, Austria, April 27-29, 2011. p. 6

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

• Optimal Eigenbeamforming for Suppressing Self-Interference in Full-Duplex MIMO Relays

  Riihonen, T., Balakrishnan, A., Haneda, K., Wyne, S., Werner, S. & Wichman, R., 2011, CISS 45th Annual Conference on Information Sciences and Systems (CISS), Baltimore, Maryland, USA, March 2011.

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

  61 Citations (Scopus)

• Performance Analysis of Maximum SNR Scheduling with an Infrastructure Relay Link

  Riihonen, T., Wichman, R. & Hamalainen, J., 2011, In: Wireless Personal Communications. 56, 2, p. 277-299

  Research output: Contribution to journal › Article › Scientific › peer-review
  1 Citation (Scopus)

• Performance Analysis of OFDM with Wiener Phase Noise and Frequency Selective Fading Channel

  Mathecken, P., Riihonen, T., Werner, S. & Wichman, R., 2011, In: IEEE Transactions on Communications. 59, 5, p. 1321-1331

  Research output: Contribution to journal › Article › Scientific › peer-review

  49 Citations (Scopus)

• Performance of On-Off scheduling strategy in the presence of transmit beamforming

  Husso, M., Hämäläinen, J., Jäntti, R., Nieminen, J., Riihonen, T. & Wichman, R., 2011, In: Physical Communication. 4, 1, p. 3-12

  Research output: Contribution to journal › Article › Scientific › peer-review

• Post-compensation of a CT First-order Sigma-delta ADC Using PWL Dynamic Systems

  Schmidt, C., Cousseau, J., Figueroa, J., Wichman, R. & Werner, S., 2011, XIV Workshop on Information Processing and Control (RPIC), Oro Verde, Entre Rios, Argentina, November 2011.

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

• Power amplifier linearization technique with IQ imbalance and crosstalk compensation for broadband MIMO-OFDM transmitters

  Gregorio, F., Cousseau, J., Werner, S., Riihonen, T. & Wichman, R., 2011, In: Eurasip Journal on Advances in Signal Processing. 2011, 19, p. 1-15

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

  • Crosstalk 100%
  • Linearization 87%
  • Power amplifiers 87%
  • MIMO systems 83%
  • Orthogonal frequency division multiplexing 79%
  132 Downloads (Pure)

• Prediction Based Resource Allocation in OFDMA

  Schmidt, J., Cousseau, J., Wichman, R. & Werner, S., 2011, 45th Conference on Information Sciences and Systems, Baltimore USA, March2011.

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

  2 Citations (Scopus)

• Receiver-side nonlinearities mitigation using an extended iterative decision-based technique

  Gregorio, D., Werner, S., Cousseau, J., Figueroa, J. & Wichman, R., 2011, In: Signal Processing. 91, 8, p. 2042-2056

  Research output: Contribution to journal › Article › Scientific › peer-review

  19 Citations (Scopus)

• Residual Self-Interference in Full-duplex MIMO Relays After Null-Space Projection and Cancellation

  Riihonen, T., Werner, S. & Wichman, R., 2011, ACSSC 44th Annual Asilomar Conference on Signals, Systems, and Computers (ACSSC), Pacific Grove, California, USA, November 2010. p. 653-657 (Conference Record of the Asilomar Conference on Signals Systems and Computers).

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

• SINR Prediction Versus Reverse Reporting for Soft Reuse and Interference Management

  Cierny, M., Ribeiro, C., Wichman, R. & Tirkkonen, O., 2011, EW 11th European Wireless Conference (EW 2011), Vienna Austria, April 27-29, 2011. VDE Verlag, p. 1-6

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

  1 Citation (Scopus)

• TV white spaces in Europe

  Kokkinen, H., Henriksson, J. & Wichman, R., 2011, TV White Space Spectrum Technologies: Regulations, Standards, and Applications. Rashid A.Saeed, S. J. S. (ed.). USA: CreateSpace

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

  14 Citations (Scopus)

• Vision for Beyond 4G Broadband Radio Systems

  Raaf, B., Zirwas, W., Friederichs, K-J., Tiirola, E., Laitila, M., Marsch, P. & Wichman, R., 2011, PIMRC IEEE International Symposium on Personal,Indoor and Mobile Radio Communications, (PIMRC), Toronto, Canada, September 2011. p. 2369-2373

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
  48 Citations (Scopus)
• 2010

  BEP Analysis of OFDM Relay Links with Nonlinear Power Amplifiers

  Riihonen, T., Werner, S., Gregorio, F., Wichman, R. & Hämäläinen, J., 2010, WCNC IEEE Wireless Communications and Networking Conference (WCNC), Sydney, Australia, April 18 -21, 2010.

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

• Capacity of Generalized UTRA FDD Closed-Loop Transmit Diversity Models

  Hämäläinen, J., Wichman, R., Dowhuszko, A. A. & Corral-Briones, G., 2010, In: Wireless Personal Communications. 54, 3, p. 467-484

  Research output: Contribution to journal › Article › Scientific › peer-review
  11 Citations (Scopus)

• Characterization and Compensation of Nonlinearities in a Continuous-time First-order Sigma Delta ADC

  Schmidt, C., Cousseau, J., Figueroa, J., Wichman, R. & Werner, S., 2010, IEEE International Microwave Workshop (IMWS), Aveiro, Portugal, February 22-23, 2010. p. 1-4

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

  2 Citations (Scopus)

• Decentralized Limited-Feedback Multiuser MIMO for Temporally Correlated Channels

  Zacarías, E., Werner, S. & Wichman, R., 2010, In: Journal of Electrical and Computer Engineering. 2010, Article No. 35

  Research output: Contribution to journal › Article › Scientific › peer-review

  1 Citation (Scopus)

• Generalized Exponential Decay Model for Power-Delay Profiles of Multipath Channels

  Riihonen, T., Werner, S. & Wichman, R., 2010, XXXII Finnish URSI Convention on Radio Science, Oulu , August 26, 2010. p. 53-56

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

• Green Cooperative Communication Using Threshold-Based Relay Selection Protocols

  Le, V-A., Pitaval, R-A., Blostein, S., Riihonen, T. & Wichman, R., 2010, International Conference on Green Circuits and Systems (ICGCS), Shanghai, China, June 2010. p. 521-526

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

  21 Citations (Scopus)

• Hypoexponential Power-Delay Profile and Performance on Multihop OFDM Relay Links

  Riihonen, T., Werner, S. & Wichman, R., 2010, In: IEEE Transactions on Wireless Communications. 9, 12, p. 3878-3888

  Research output: Contribution to journal › Article › Scientific › peer-review

  6 Citations (Scopus)

• Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells

  Husso, M., Hämäläinen, J., Jäntti, R., Li, J., Mutafungwa, E., Wichman, R., Zheng, Z. & Wyglinski, A. M., 2010, In: EURASIP Journal on Wireless Communications and Networking. 2010, p. 1-12 12 p., 186815.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

  • Cochannel interference 100%
  • Femtocell 89%
  • Beamforming 68%
  • Base stations 61%
  • Telecommunication networks 60%
  27 Citations (Scopus)

  146 Downloads (Pure)

• One-Bit Feedback Selection Schemes for Power-Efficient Multiuser and Multirelay Systems

  Le, V-A., Riihonen, T., Wichman, R. & Blostein, S., 2010, WCNC IEEE Wireless Communications and Networking Conference (WCNC), Sydney, Australia, April 18-21, 2010. 6 p.

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

• Outage Performance of an Energy-Efficient Relaying Protocol Over Nakagami Fading Channels

  Le, V-A., Riihonen, T., Wichman, R. & Blostein, S., 2010, 25th Biennial Symposium on Communications (QBSC), Kingston, Ontario, Canada, May 12-14, 2010. p. 439-443

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

  2 Citations (Scopus)

• Performance Evaluation of Relay Deployment Strategies in Multi-Cell Single Frequency Networks

  Pitaval, R-A., Riihonen, T., Wichman, R. & Blostein, S., 2010, WCNC IEEE Wireless Communications and Networking Conference (WCNC), Sydney, Australia, April 18-21, 2010. 6 p.

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

• Rate-Interference Trade-off Between Duplex Modes in Decode-and-Forward Relaying

  Riihonen, T., Werner, S. & Wichman, R., 2010, PIMRC The 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), Istanbul Turkey, 26-29, September 2010. p. 689-694

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

  22 Citations (Scopus)

• RF-signaalia ehostetaan digitaalisesti

  Valkama, M. & Wichman, R., 2010, In: Prosessori. March, p. 29-33

  Research output: Contribution to journal › Article › Professional

• Sequential Compensation of RF Impairments in OFDM Systems

  Gregorio, F., Cousseau, J., Werner, S., Wichman, R. & Riihonen, T., 2010, WCNC IEEE Wireless Communications and Networking Conference (WCNC), Sydney, Australia, April 18-21, 2010.

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

• Spatial Loop Interference Suppression in Full-Duplex MIMO Relays

  Riihonen, T., Werner, S. & Wichman, R., 2010, ACSSC Forty-Third Asilomar Conference on Signals, Systems and Computers (ACSSC), Pacific Grove, California, November 1-4, 2009. p. 1508

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

  100 Citations (Scopus)

• Spectral characteristics of a piecewise linear function in modeling power amplifier type nonlinearities

  Cheong, M. Y., Werner, S., Cousseau, J. & Wichman, R., 2010, PIMRC The 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), Istanbul, Turkey, September 26-29, 2010. p. 639-644

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

  3 Citations (Scopus)