Risto Wichman
Professor, Signal Processing at Aalto University School of Business
Biography
Aalto University School of Business
Peer-reviewed scientific articles
Journal article-refereed, Original researchWideband full-duplex MIMO relays with blind adaptive self-interference cancellation
Antonio-Rodríguez, Emilio; Werner, Stefan; López-Valcarce, Roberto; Riihonen, Taneli; Wichman, Risto2017 in SIGNAL PROCESSING (Elsevier)ISSN: 0165-1684Full-duplex amplify-and-forward relays with optimized transmission power under imperfect transceiver electronics
González, Gustavo J.; Gregorio, Fernando H.; Cousseau, Juan E.; Riihonen, Taneli; Wichman, Risto2017 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472Constrained phase noise estimation in OFDM using scattered pilots without decision feedback
Jacob Mathecken, Philip; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2017 in IEEE TRANSACTIONS ON SIGNAL PROCESSING (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1053-587XPerformance of quantized random beamforming in delay-tolerant machine-type communication
Dowhuszko, Alexis A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto2016 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Phase Noise Estimation in OFDM Utilizing Its Associated Spectral Geometry
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2016 in IEEE TRANSACTIONS ON SIGNAL PROCESSING (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1053-587XOptimization of Secondary System Antenna Deployment in Shared Spectrum Access
Ojaniemi, Jaakko; Poikonen, Jussi H.; Wichman, Risto2016 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545Geodesical Refinement of MIMO Limited Feedback
Schober, Karol; Wichman, Risto; Enescu, Mihai2016 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778Optimized in-band full-duplex MIMO relay under single-stream transmission
Ugurlu, Umut; Riihonen, Taneli; Wichman, Risto2016 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545A Multipath Extraction-Based CSI Acquisition Method for FDD Cellular Networks with Massive Antenna Arrays
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cássio B.; Wijting, Carl2016 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Higher Rank Interference Effect on Weak Beamforming or OSTBC Terminals
Cierny, M.; Wichman, R.2015 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276On performance loss of some CoMP techniques under channel power imbalance and limited feedback
Haile, Beneyam B; Dowhuszko, Alexis; Hamalainen, Jyri; Wichman, Risto; Ding, Zhi2015 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Recent advances in antenna design and interference cancellation algorithms for in-band full-duplex relays
Heino, Mikko; Korpi, Dani; Huusari, Timo; Antonio-Rodríguez, Emilio; Venkatasubramanian, Sathya; Riihonen, Taneli; Anttila, Lauri; Icheln, Clemens; Haneda, Katsuyuki; Wichman, Risto; Valkama, Mikko2015 in IEEE COMMUNICATIONS MAGAZINE (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0163-6804FULL-DUPLEX SELF-BACKHAULING FOR SMALL-CELL 5G NETWORKS
Pitaval, Renaud-Alexandre; Tirkkonen, Olav; Wichman, Risto; Pajukoski, Kari; Laehetkangas, Eeva; Tiirola, Esa2015 in IEEE WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1284Improved User-Specific Channel Estimation Using Geodesical Interpolation at the Transmitter
Schober, K.; Pitaval, R.-A.; Wichman, R.2015 in IEEE WIRELESS COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 2162-2337Asymptotic Analysis of SU-MIMO Channels With Transmitter Noise and Mismatched Joint Decoding
Vehkaperä, Mikko; Riihonen, Taneli; Girnyk, Maksym A.; Björnson, Emil; Debbah, Merouane; Rasmussen, Lars K.; Wichman, Risto2015 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778Uplink CFO compensation for FBMC multiple access and OFDMA in a high mobility scenario
Gonzalez, Gustavo; Gregorio, Fernando; Cousseau, Juan; Wichman, Risto; Werner, Stefan2014 in PHYSICAL COMMUNICATION (Elsevier)ISSN: 1874-4907Full-Duplex Transceiver System Calculations: Analysis of ADC and Linearity Challenges
Korpi, Dani; Riihonen, Taneli; Syrjälä, Ville; Anttila, Lauri; Valkama, Mikko; Wichman, Risto2014 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276In-Band Full-Duplex Wireless: Challenges and Opportunities
Sabharwal, Ashutosh; Schniter, Paul; Guo, Dongning; Biss, Daniel; Rangarajan, S; Wichman, Risto2014 in IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0733-8716In-Band Full-Duplex Wireless Communications and Networks
Sabharwal, Ashutosh; Schniter, Philip; Guo, Dongning; Bliss, Daniel W.; Rangarajan, Sampath; Wichman, Risto2014 in IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0733-8716Communication technology and system design (Foreword)
Wichman, Risto; Sumesh, E. P.2014 in TELECOMMUNICATION SYSTEMS (Springer Netherlands)ISSN: 1018-4864On Number of Almost Blank Subframes in Heterogeneous Cellular Networks
Cierny, Michal; Wang, Haining; Wichman, Risto; Ding, Zhi; Wijting, Carl2013 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Impact of Base Station Time Synchronization Mismatch on Almost Blank Subframes
Cierny, Michal; Wichman, Risto; Ding, Zhi2013 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1089-7798Data-aided CFO estimators based on the averaged cyclic autocorrelation
González, Gustavo; Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Wichman, Risto2013 in SIGNAL PROCESSING (Elsevier)ISSN: 0165-1684EVM Analysis for Broadband OFDM Direct-Conversion Transmitters
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Riihonen, Taneli; Wichman, Risto2013 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545One-Bit CSI Feedback Selection Schemes for Energy-Efficient Multiuser and Multirelay Systems
Le, Viet-Anh; Pitaval, Renaud-Alexandre; Blostein, Steven D.; Riihonen, Taneli; Wichman, Risto2013 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Adaptive Piecewise Linear Predistorters for Nonlinear Power Amplifiers With Memory,
Cheong, Mei Yen; Werner, Stefan; Bruno, Marcelo J.; Figueroa, José L.; Cousseau, Juan E.; Wichman, Risto2012 in IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1549-8328Characterization of OFDM Radio Link under PLL-Based Oscillator Phase Noise and Multipath Fading Channel
Mathecken, Pramod; Riihonen, Taneli; Tchamov, Nikolay; Werner, Stefan; Valkama, Mikko; Wichman, Risto2012 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778Comments on 'Simple formulas for SIMO and MISO ergodic capacities'
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2012 in ELECTRONICS LETTERS (Institution of Engineering and Technology)ISSN: 0013-5194Evaluation of OFDM(A) Relaying Protocols: Capacity Analysis in Infrastructure Framework
Riihonen, Taneli; Wichman, Risto; Werner, Stefan2012 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545Power amplifier linearization technique with IQ imbalance and crosstalk compensation for broadband MIMO-OFDM transmitters
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Riihonen, Taneli; Wichman, Risto2011 in EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING (Springer Publishing Company)ISSN: 1687-6172Receiver-side nonlinearities mitigation using an extended iterative decision-based technique
Gregorio, D.; Werner, Stefan; Cousseau, J.; Figueroa, J.; Wichman, Risto2011 in SIGNAL PROCESSING (Elsevier)ISSN: 0165-1684Performance of On-Off scheduling strategy in the presence of transmit beamforming
Husso, M.; Hämäläinen, J.; Jäntti, R.; Nieminen, J.; Riihonen, Taneli; Wichman, Risto2011 in PHYSICAL COMMUNICATION (Elsevier)ISSN: 1874-4907Performance Analysis of OFDM with Wiener Phase Noise and Frequency Selective Fading Channel
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2011 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778Beamforming Codesbooks for Two Transmit Antenna Systems Based on Optimum Grassmannian Packings
Pitaval, Renaud-Alexandre; Määttänen, Helka-Liina; Schober, Karol; Tirkkonen, Olav; Wichman, Risto2011 in IEEE Transactions on information theory (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-9448Mitigation of Loopback Self-Interference in Full-Duplex MIMO Relays
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2011 in IEEE TRANSACTIONS ON SIGNAL PROCESSING (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1053-587XPerformance Analysis of Maximum SNR Scheduling with an Infrastructure Relay Link
Riihonen, Taneli; Wichman, Risto; Hamalainen, Jyri2011 in Wireless Personal Communications (SPRINGER)ISSN: 0929-6212Hybrid Full-Duplex/Half-Duplex Relaying with Transmit Power Adaptation
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2011 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Bit Loading Using Imperfect CSIT for Prediction-Based Resource Allocation in Mobile OFDMA
Schmidt, Jorge F.; Cousseau, Juan E.; Wichman, Risto; Werner, Stefan2011 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545Low-Complexity Channel Prediction Using Approximated Recursive DCT
Schmidt, Jorge F.; Cousseau, Juan E.; Wichman, Risto; Werner, Stefan2011 in IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1549-8328Non-linearities modelling and post-compensation in continuous-time S? modulator
Schmidt, Christian A.; Cousseau, Juan E.; Figueroa, José E.; Wichman, Risto; Werner, Stefan2011 in IET MICROWAVES ANTENNAS AND PROPAGATION (Institution of Engineering and Technology)ISSN: 1751-8725Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells
Husso, Mika; Hämäläinen, Jyri; Jäntti, Riku; Li, Juan; Mutafungwa, Edward; Wichman, Risto; Zheng, Zhong; Wyglinski, Alexander M.2010 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472Capacity of Generalized UTRA FDD Closed-Loop Transmit Diversity Models
Hämäläinen, Jyri; Wichman, Risto; Dowhuszko, Alexis A.; Corral-Briones, Graziela2010 in Wireless Personal Communications (SPRINGER)ISSN: 0929-6212Hypoexponential Power-Delay Profile and Performance on Multihop OFDM Relay Links
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2010 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Decentralized Limited-Feedback Multiuser MIMO for Temporally Correlated Channels
Zacarías, Eduardo; Werner, Stefan; Wichman, Risto2010 in JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (Hindawi Publishing Corporation)ISSN: 2090-0147An efficient CS-CPWL based predistorter
Bruno, Marcelo J.; Cousseau, Juan; Werner, Stefan; Figueroa, José; Cheong, Mei Yen; Wichman, Risto2009 in RADIOENGINEERING (Czech Technical University)Dynamic resource assignment and cooperative relaying in cellular networks: Concept and performance assessment
Doppler, Klaus; Redana, Simone.; Wodczak, Michal.; Rost, Peter; Wichman, Risto2009 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472On Throughput-Fairness Tradeoff in Virtual MIMO Systems with Limited Feedback
Dowhuszko, Alexix A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto2009 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472Precoder Partitioning in Closed-loop MIMO Systems
Määttänen, Helka-Liina; Schober, Karol; Tirkkonen, Olav; Wichman, Risto2009 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Optimized Gain Control for Single-Frequency Relaying with Loop Interference
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2009 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Geodesical Codebook Design for Precoded MIMO Systems
Schober, Karol; Jänis, Pekka; Wichman, Risto2009 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Limited Feedback Multiuser MIMO Techniques for Time-Correlated Channels
Zacarías, Eduardo; Werner, Stefan; Wichman, Risto2009 in EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING (Springer Publishing Company)BEP Analysis of OSTBC-OFDM Systems with Broadband PA and Imperfect Memory Compensation
Gregorio, Fernando H.; Werner, Stefan; Hämäläinen, Jyri; Wichman, Risto; Cousseau, Juan2007 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)On the Solution of Scatter Density in Geometry-Based Channel Models
Hämäläinen, Jyri; Savolainen, Sami; Wichman, Risto; Ruotsalainen, Keijo; Ylitalo, Juha2007 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276Rate Optimization for 2D OFDM Relaying
Riihonen, Taneli; Wichman, Risto; Roman, Timo2007 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Capacities of Physical Layer Scheduling Strategies on a Shared Link
Hämäläinen, Jyri; Wichman, Risto2006 in Wireless Personal Communications (SPRINGER)Distributed Jacobi Eigen-beamforming for Closed-loop MIMO Systems
Werner, Stefan; Wichman, Risto2006 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)The Effect of On-off Scheduling to the Required Transmit Power in Systems with Fast Power Control
Hämäläinen, Jyri; Wichman, Risto2005 in Wireless Personal Communications (SPRINGER)Integral equation formulation for scatter density problem
Hämäläinen, Jyri; Savolainen, Sami; Wichman, Risto; Ylitalo, Juha2005 in ELECTRONICS LETTERS (Institution of Engineering and Technology)
Wideband full-duplex MIMO relays with blind adaptive self-interference cancellation
Antonio-Rodríguez, Emilio; Werner, Stefan; López-Valcarce, Roberto; Riihonen, Taneli; Wichman, Risto
2017 in SIGNAL PROCESSING (Elsevier)ISSN: 0165-1684
Full-duplex amplify-and-forward relays with optimized transmission power under imperfect transceiver electronics
González, Gustavo J.; Gregorio, Fernando H.; Cousseau, Juan E.; Riihonen, Taneli; Wichman, Risto
2017 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472
Constrained phase noise estimation in OFDM using scattered pilots without decision feedback
Jacob Mathecken, Philip; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2017 in IEEE TRANSACTIONS ON SIGNAL PROCESSING (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1053-587X
Performance of quantized random beamforming in delay-tolerant machine-type communication
Dowhuszko, Alexis A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto
2016 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Phase Noise Estimation in OFDM Utilizing Its Associated Spectral Geometry
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2016 in IEEE TRANSACTIONS ON SIGNAL PROCESSING (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1053-587X
Optimization of Secondary System Antenna Deployment in Shared Spectrum Access
Ojaniemi, Jaakko; Poikonen, Jussi H.; Wichman, Risto
2016 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545
Geodesical Refinement of MIMO Limited Feedback
Schober, Karol; Wichman, Risto; Enescu, Mihai
2016 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778
Optimized in-band full-duplex MIMO relay under single-stream transmission
Ugurlu, Umut; Riihonen, Taneli; Wichman, Risto
2016 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545
A Multipath Extraction-Based CSI Acquisition Method for FDD Cellular Networks with Massive Antenna Arrays
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cássio B.; Wijting, Carl
2016 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Higher Rank Interference Effect on Weak Beamforming or OSTBC Terminals
Cierny, M.; Wichman, R.
2015 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
On performance loss of some CoMP techniques under channel power imbalance and limited feedback
Haile, Beneyam B; Dowhuszko, Alexis; Hamalainen, Jyri; Wichman, Risto; Ding, Zhi
2015 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Recent advances in antenna design and interference cancellation algorithms for in-band full-duplex relays
Heino, Mikko; Korpi, Dani; Huusari, Timo; Antonio-Rodríguez, Emilio; Venkatasubramanian, Sathya; Riihonen, Taneli; Anttila, Lauri; Icheln, Clemens; Haneda, Katsuyuki; Wichman, Risto; Valkama, Mikko
2015 in IEEE COMMUNICATIONS MAGAZINE (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0163-6804
FULL-DUPLEX SELF-BACKHAULING FOR SMALL-CELL 5G NETWORKS
Pitaval, Renaud-Alexandre; Tirkkonen, Olav; Wichman, Risto; Pajukoski, Kari; Laehetkangas, Eeva; Tiirola, Esa
2015 in IEEE WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1284
Improved User-Specific Channel Estimation Using Geodesical Interpolation at the Transmitter
Schober, K.; Pitaval, R.-A.; Wichman, R.
2015 in IEEE WIRELESS COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 2162-2337
Asymptotic Analysis of SU-MIMO Channels With Transmitter Noise and Mismatched Joint Decoding
Vehkaperä, Mikko; Riihonen, Taneli; Girnyk, Maksym A.; Björnson, Emil; Debbah, Merouane; Rasmussen, Lars K.; Wichman, Risto
2015 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778
Uplink CFO compensation for FBMC multiple access and OFDMA in a high mobility scenario
Gonzalez, Gustavo; Gregorio, Fernando; Cousseau, Juan; Wichman, Risto; Werner, Stefan
2014 in PHYSICAL COMMUNICATION (Elsevier)ISSN: 1874-4907
Full-Duplex Transceiver System Calculations: Analysis of ADC and Linearity Challenges
Korpi, Dani; Riihonen, Taneli; Syrjälä, Ville; Anttila, Lauri; Valkama, Mikko; Wichman, Risto
2014 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
In-Band Full-Duplex Wireless: Challenges and Opportunities
Sabharwal, Ashutosh; Schniter, Paul; Guo, Dongning; Biss, Daniel; Rangarajan, S; Wichman, Risto
2014 in IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0733-8716
In-Band Full-Duplex Wireless Communications and Networks
Sabharwal, Ashutosh; Schniter, Philip; Guo, Dongning; Bliss, Daniel W.; Rangarajan, Sampath; Wichman, Risto
2014 in IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0733-8716
Communication technology and system design (Foreword)
Wichman, Risto; Sumesh, E. P.
2014 in TELECOMMUNICATION SYSTEMS (Springer Netherlands)ISSN: 1018-4864
On Number of Almost Blank Subframes in Heterogeneous Cellular Networks
Cierny, Michal; Wang, Haining; Wichman, Risto; Ding, Zhi; Wijting, Carl
2013 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Impact of Base Station Time Synchronization Mismatch on Almost Blank Subframes
Cierny, Michal; Wichman, Risto; Ding, Zhi
2013 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1089-7798
Data-aided CFO estimators based on the averaged cyclic autocorrelation
González, Gustavo; Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Wichman, Risto
2013 in SIGNAL PROCESSING (Elsevier)ISSN: 0165-1684
EVM Analysis for Broadband OFDM Direct-Conversion Transmitters
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Riihonen, Taneli; Wichman, Risto
2013 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545
One-Bit CSI Feedback Selection Schemes for Energy-Efficient Multiuser and Multirelay Systems
Le, Viet-Anh; Pitaval, Renaud-Alexandre; Blostein, Steven D.; Riihonen, Taneli; Wichman, Risto
2013 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Adaptive Piecewise Linear Predistorters for Nonlinear Power Amplifiers With Memory,
Cheong, Mei Yen; Werner, Stefan; Bruno, Marcelo J.; Figueroa, José L.; Cousseau, Juan E.; Wichman, Risto
2012 in IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1549-8328
Characterization of OFDM Radio Link under PLL-Based Oscillator Phase Noise and Multipath Fading Channel
Mathecken, Pramod; Riihonen, Taneli; Tchamov, Nikolay; Werner, Stefan; Valkama, Mikko; Wichman, Risto
2012 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778
Comments on 'Simple formulas for SIMO and MISO ergodic capacities'
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2012 in ELECTRONICS LETTERS (Institution of Engineering and Technology)ISSN: 0013-5194
Evaluation of OFDM(A) Relaying Protocols: Capacity Analysis in Infrastructure Framework
Riihonen, Taneli; Wichman, Risto; Werner, Stefan
2012 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545
Power amplifier linearization technique with IQ imbalance and crosstalk compensation for broadband MIMO-OFDM transmitters
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Riihonen, Taneli; Wichman, Risto
2011 in EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING (Springer Publishing Company)ISSN: 1687-6172
Receiver-side nonlinearities mitigation using an extended iterative decision-based technique
Gregorio, D.; Werner, Stefan; Cousseau, J.; Figueroa, J.; Wichman, Risto
2011 in SIGNAL PROCESSING (Elsevier)ISSN: 0165-1684
Performance of On-Off scheduling strategy in the presence of transmit beamforming
Husso, M.; Hämäläinen, J.; Jäntti, R.; Nieminen, J.; Riihonen, Taneli; Wichman, Risto
2011 in PHYSICAL COMMUNICATION (Elsevier)ISSN: 1874-4907
Performance Analysis of OFDM with Wiener Phase Noise and Frequency Selective Fading Channel
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2011 in IEEE TRANSACTIONS ON COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0090-6778
Beamforming Codesbooks for Two Transmit Antenna Systems Based on Optimum Grassmannian Packings
Pitaval, Renaud-Alexandre; Määttänen, Helka-Liina; Schober, Karol; Tirkkonen, Olav; Wichman, Risto
2011 in IEEE Transactions on information theory (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-9448
Mitigation of Loopback Self-Interference in Full-Duplex MIMO Relays
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2011 in IEEE TRANSACTIONS ON SIGNAL PROCESSING (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1053-587X
Performance Analysis of Maximum SNR Scheduling with an Infrastructure Relay Link
Riihonen, Taneli; Wichman, Risto; Hamalainen, Jyri
2011 in Wireless Personal Communications (SPRINGER)ISSN: 0929-6212
Hybrid Full-Duplex/Half-Duplex Relaying with Transmit Power Adaptation
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2011 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Bit Loading Using Imperfect CSIT for Prediction-Based Resource Allocation in Mobile OFDMA
Schmidt, Jorge F.; Cousseau, Juan E.; Wichman, Risto; Werner, Stefan
2011 in IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY (Institute of Electrical and Electronics Engineers Inc.)ISSN: 0018-9545
Low-Complexity Channel Prediction Using Approximated Recursive DCT
Schmidt, Jorge F.; Cousseau, Juan E.; Wichman, Risto; Werner, Stefan
2011 in IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1549-8328
Non-linearities modelling and post-compensation in continuous-time S? modulator
Schmidt, Christian A.; Cousseau, Juan E.; Figueroa, José E.; Wichman, Risto; Werner, Stefan
2011 in IET MICROWAVES ANTENNAS AND PROPAGATION (Institution of Engineering and Technology)ISSN: 1751-8725
Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells
Husso, Mika; Hämäläinen, Jyri; Jäntti, Riku; Li, Juan; Mutafungwa, Edward; Wichman, Risto; Zheng, Zhong; Wyglinski, Alexander M.
2010 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472
Capacity of Generalized UTRA FDD Closed-Loop Transmit Diversity Models
Hämäläinen, Jyri; Wichman, Risto; Dowhuszko, Alexis A.; Corral-Briones, Graziela
2010 in Wireless Personal Communications (SPRINGER)ISSN: 0929-6212
Hypoexponential Power-Delay Profile and Performance on Multihop OFDM Relay Links
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2010 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Decentralized Limited-Feedback Multiuser MIMO for Temporally Correlated Channels
Zacarías, Eduardo; Werner, Stefan; Wichman, Risto
2010 in JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (Hindawi Publishing Corporation)ISSN: 2090-0147
An efficient CS-CPWL based predistorter
Bruno, Marcelo J.; Cousseau, Juan; Werner, Stefan; Figueroa, José; Cheong, Mei Yen; Wichman, Risto
2009 in RADIOENGINEERING (Czech Technical University)Dynamic resource assignment and cooperative relaying in cellular networks: Concept and performance assessment
Doppler, Klaus; Redana, Simone.; Wodczak, Michal.; Rost, Peter; Wichman, Risto
2009 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472
On Throughput-Fairness Tradeoff in Virtual MIMO Systems with Limited Feedback
Dowhuszko, Alexix A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto
2009 in EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING (Springer Publishing Company)ISSN: 1687-1472
Precoder Partitioning in Closed-loop MIMO Systems
Määttänen, Helka-Liina; Schober, Karol; Tirkkonen, Olav; Wichman, Risto
2009 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Optimized Gain Control for Single-Frequency Relaying with Loop Interference
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2009 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Geodesical Codebook Design for Precoded MIMO Systems
Schober, Karol; Jänis, Pekka; Wichman, Risto
2009 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Limited Feedback Multiuser MIMO Techniques for Time-Correlated Channels
Zacarías, Eduardo; Werner, Stefan; Wichman, Risto
2009 in EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING (Springer Publishing Company)BEP Analysis of OSTBC-OFDM Systems with Broadband PA and Imperfect Memory Compensation
Gregorio, Fernando H.; Werner, Stefan; Hämäläinen, Jyri; Wichman, Risto; Cousseau, Juan
2007 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)On the Solution of Scatter Density in Geometry-Based Channel Models
Hämäläinen, Jyri; Savolainen, Sami; Wichman, Risto; Ruotsalainen, Keijo; Ylitalo, Juha
2007 in IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1536-1276
Rate Optimization for 2D OFDM Relaying
Riihonen, Taneli; Wichman, Risto; Roman, Timo
2007 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Capacities of Physical Layer Scheduling Strategies on a Shared Link
Hämäläinen, Jyri; Wichman, Risto
2006 in Wireless Personal Communications (SPRINGER)Distributed Jacobi Eigen-beamforming for Closed-loop MIMO Systems
Werner, Stefan; Wichman, Risto
2006 in IEEE COMMUNICATIONS LETTERS (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)The Effect of On-off Scheduling to the Required Transmit Power in Systems with Fast Power Control
Hämäläinen, Jyri; Wichman, Risto
2005 in Wireless Personal Communications (SPRINGER)Integral equation formulation for scatter density problem
Hämäläinen, Jyri; Savolainen, Sami; Wichman, Risto; Ylitalo, Juha
2005 in ELECTRONICS LETTERS (Institution of Engineering and Technology)Book section, Chapters in research booksFull-Duplex in Wireless Communications
Riihonen, Taneli; Wichman, Risto2016 ISBN: 9780471346081TV white spaces in Europe
Kokkinen, Heikki; Henriksson, Jukka; Wichman, Risto2011 ISBN: 978-1-4398-4879-1Cellular Communications Channels
Mämmelä, Aarne; Wichman, Risto2007 Multiuser MIMO for UTRA FDD
Hämäläinen, Jyri; Wichman, Risto; Kuusela, M.; Tiirola, E.; Pajukoski, K.2006 ISBN: 0-8493-4190-6Multi-channel Adaptive Beam-forming
Hämäläinen, Jyri; Wichman, Risto; Korhonen, Timo2004 ISBN: 3-540-20199-8
Full-Duplex in Wireless Communications
Riihonen, Taneli; Wichman, Risto
2016 ISBN: 9780471346081
TV white spaces in Europe
Kokkinen, Heikki; Henriksson, Jukka; Wichman, Risto
2011 ISBN: 978-1-4398-4879-1
Cellular Communications Channels
Mämmelä, Aarne; Wichman, Risto
2007 Multiuser MIMO for UTRA FDD
Hämäläinen, Jyri; Wichman, Risto; Kuusela, M.; Tiirola, E.; Pajukoski, K.
2006 ISBN: 0-8493-4190-6
Multi-channel Adaptive Beam-forming
Hämäläinen, Jyri; Wichman, Risto; Korhonen, Timo
2004 ISBN: 3-540-20199-8
Conference proceedingsPredistortion for power amplifier linearization in full-duplex transceivers without extra RF chain
Gregorio, Fernando H.; Gonzalez, Gustavo J.; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto2017 in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (IEEE)ISBN: 9781509041176ISSN: 2379-190XCompensation of ADC-induced distortion in broadband full-duplex transceivers
Schmidt, Christian A.; Gonzalez, Gustavo; Gregorio, Fernando; Cousseau, Juan E.; Riihonen, Taneli; Wichman, Risto2017 in IEEE International Conference on Communications Workshops (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781509015252ISSN: 2474-9133Interference alignment in heterogeneous networks with macro-to-picocell offloaded users
Bernhardt, Micael; Gregorio, Fernando; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto2016 ISBN: 9781509020614ISSN: 2154-0225Interference cancellation architecture for full-duplex system with GFDM signaling
Chung, Wonsuk; Hong, Daesik; Wichman, Risto; Riihonen, Taneli2016 in European Signal Processing Conference (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9780992862657ISSN: 2219-5491Performance analysis of full-duplex AF relaying with transceiver hardware impairments
González, Gustavo J.; Gregorio, Fernando H.; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto2016 ISBN: 9783800742219RF front-end implementation challenges of in-band full-duplex relay transceivers
Gregorio, Fernando H.; González, Gustavo J.; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto2016 ISBN: 9783800742219Transmission Rate performance of symmetric two-way full-duplex links at large antenna-array limit
Riihonen, Taneli; Vehkaperä, Mikko; Wichman, Risto; Wang, Xiaodong2016 ISBN: 978-1-4673-6540-6Selective Multi-Hop Relaying for Ultra-Reliable Communication in a Factory Environment
Singh, Bikramjit; Tirkkonen, Olav; Li, Zexian; Uusitalo, Mikko A.; Wichman, Risto2016 in IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops (IEEE)ISBN: 978-1-5090-3254-9 ISSN: 2166-9570Enabling low-resolution ADC with high-order modulations for millimeter-wave systems
Ugurlu, Umut; Wichman, Risto2016 in IEEE International Conference on Communications (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781479966646ISSN: 1550-3607Subspace-constrained SINR optimization in MIMO full-duplex relays under limited dynamic range : Signal Processing Advances in Wireless Communications (SPAWC), 2015 IEEE 16th International Workshop on
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2015 ISBN: 978-1-4799-1932-1On the Time-Frequency Localisation of 5G Candidate Waveforms
Boyd, Christopher; Tirkkonen, Olav; WIchman, Risto2015 ISBN: 978-1-4799-1932-1Subspace-based phase noise estimation in OFDM receivers
Mathecken, Pramod; Werner, Stefan; Riihonen, Taneli; Wichman, Risto2015 in IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings (IEEE)ISBN: 978-1-4673-6997-8ISSN: 1520-6149Multipath Phase Indication (MPI) Feedback for CSI Acquisition in FDD Massive MIMO
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl2015 ISBN: 9781467367837Coordinated Optimization of EVD-Based Channel Estimators in Multi-Cell Massive MIMO Networks
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl2015 ISBN: 9781467363051Asymptotic Analysis of Asymmetric MIMO Links: EVM Limits for Joint Decoding of PSK and QAM
Vehkaperä, Mikko; Riihonen, Taneli; Girnyk, Maksym A.; Björnson, Emil; Debbah, Merouane; Rasmussen, Lars K.; Wichman, Risto2015 ISBN: 978-1-4673-6430-0SINR Optimization in Wideband Full-Duplex MIMO Relays under Limited Dynamic Range
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2014 Modeling and Efficient Cancellation of Nonlinear Self-Interference in MIMO Full-Duplex Transceivers
Anttila, Lauri; Korpi, Dani; Antonio-Rodríguez, Emilio; Wichman, Risto; Valkama, Mikko2014 On the potential of OFDM enhancements as 5G waveforms
Berardinelli, Gilberto; Pajukoski, Kari; Lähetkangas, Eeva; Wichman, Risto; Tirkkonen, Olav; Mogensen, Preben2014 in IEEE Vehicular Technology Conference Proceedings (IEEE)ISBN: 978-1-4799-4482-8ISSN: 1550-2252Data assimilation for sensing aided geolocation database
Ojaniemi, Jaakko; Wichman, Risto2014 Energy Detection in Full-Duplex Cognitive Radios under Residual Self-interference
Riihonen, Taneli; Wichman, Risto2014 Adaptive Channel Quantization on TDD Reciprocity Performance of Relative Antenna Calibration
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl2014 Iterative Genetic and Greedy-Based Algorithms for Multi-Carrier Multi-User Scheduling in MIMO Systems with Successive Zero Forcing
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl2014 Power Control and Beamformer Design for the Optimization of Full-Duplex MIMO Relays in a Dual-Hop MISO Link
Ugurlu, Umut; Wichman, Risto; Riihonen, Taneli; Ribeiro, Cassio; Wijting, Carl2014 A Novel Joint Precoder and Receiver Design with Imperfect CSI for Multi-User MIMO Downlink
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl2014 Analysis of Channel Non-Reciprocity Due to Transceiver and Antenna Coupling Mismatches in TDD Precoded Multi-User MIMO-OFDM Downlink
Zou, Yaning; Raeesi, O; Wichman, Risto; Tölli, Antti; Valkama, Mikko2014 Macrocell Resource Adaptation for Improved Femtocell Deployment and Interference Management
Ahmedin, Ahmed; Elsherif, Ahmed; Liu, Xin; Hämäläinen, Jyri; Wichman, Risto2013 Autocorrelation-based adaptation rule for feedback equalization in wideband full-duplex amplify-and-forward MIMO relays
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2013 in International Conference on Acoustics Speech and Signal Processing ICASSP (IEEE)ISBN: 978-1-4799-0356-6ISSN: 1520-6149Adaptive self-interference cancellation in wideband full-duplex decode-and-forward MIMO relays
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2013 Inference-Driven Dynamic Access Scheme for Interference Management in Heterogeneous Networks
Elsherif, Ahmed; Ding, Zhi; Liu, Xin; Hämäläinen, Jyri; Wichman, Risto2013 Full Duplex Relaying for Local Area
Harjula, Ilkka; Wichman, Risto; Pajukoski, Kari; Lähetkangas, Eeva; Tiirola, Esa; Tirkkonen, Olav2013 in IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE)ISSN: 2166-9570Advanced self-interference cancellation and multiantenna techniques for full-duplex radios
Korpi, D.; Venkatasubramanian, S.; Riihonen, T.; Anttila, L.; Otewa, S.; Icheln, C.; Haneda, K.; Tretyakov, S.; Valkama, M.; Wichman, R2013 Implementation Challenges in Full-Duplex Radio Transceivers
Korpi, Dani; Valkama, Mikko; Riihonen, Taneli; Wichman, Risto2013 Constrained Least-Squares Estimation and Compensation of Phase Noise in OFDM Radio Link
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2013 in Asilomar Conference on Signals, Systems and Computers. Conference Record (IEEE)ISBN: 978-1-4673-5050-1 ISSN: 1058-6393Optimal field measurement design for radio environment mapping
Ojaniemi, Jaakko; Kalliovaara, Juha; Alam, Ahmad; Poikonen, Jussi; Wichman, Risto2013 A practical method for combining multivariate data in radio environment mapping
Ojaniemi, Jaakko; Kalliovaara, Juha; Poikonen, Jussi; Wichman, Risto2013 in IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE)ISSN: 2166-9570Effect of Oscillator Phase Noise and Processing Delay in Full-Duplex OFDM Repeaters
Riihonen, Taneli; Mathecken, Pramod; Wichman, Risto2013 in Asilomar Conference on Signals, Systems and Computers. Conference Record (IEEE)ISBN: 978-1-4673-5050-1 ISSN: 1058-6393Analog and Digital Self-interference Cancellation in Full-Duplex MIMO-OFDM Transceivers with Limited Resolution in A/D Conversion
Riihonen, Taneli; Wichman, Risto2013 Large-System Analysis of Rate Regions in Bidirectional Full-Duplex MIMO Link: Suppression versus Cancellation
Riihonen, Taneli; Vehkaperä, Mikko; Wichman, Risto2013 MIMO adaptive codebook for cross-polarized antenna arrays
Schober, Karol; Enescu, Mihai; Wichman, Risto2013 Optimized Full-Duplex MIMO Relay in SISO Link
Ugurlu, Umut; Riihonen, Taneli; Wichman, Risto2013 Asymptotic Analysis of Full-Duplex Bidirectional MIMO Link with Transmitter Noise
Vehkaperä, Mikko; Riihonen, Taneli; Wichman, Risto2013 On Achievable Rate Regions at Large-System Limit in Full-Duplex Wireless Local Access
Vehkaperä, Mikko; Girnyk, Maksym; Riihonen, Taneli; Wichman, Risto; Rasmussen, Lars2013 Time domain bi-level downlink power control for cross-tier interference mitigation in HetNet
Wang, Haining; Ding, Zhi; Cierny, Michal; Wichman, Risto2013 in IEEE International Conference on Communications (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781467331227ISSN: 1550-3607On TDD Cross-Tier In-Band Interference Mitigation: A Practical Example
Cierny, Michal; Wichman, Risto; Hämäläinen, Jyri; Ribeiro, Cassio; Ding, Zhi; Liu, Xin2012 Shadow Chasing : A Resource Allocation Scheme For Heterogeneous Networks
Elsherif, Ahmed Ragab; Ding, Zhi; Liu, Xin; Hämäläinen, Jyri; Wichman, Risto2012 ISBN: 978-1-936968-55-8Accurate Characterization and Compensation of Phase Noise in OFDM Receiver
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2012 in Conference Record of the Asilomar Conference on Signals Systems and Computers (Institute of Electrical and Electronics Engineers Inc.)ISBN: 978-1-4673-0323-1ISSN: 1058-6393Average Capacity of Rayleigh-Fading OFDM Link with Wiener Phase Noise and Frequency Offset
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto2012 ISBN: 978-1-4673-2569-1Effect of geolocation database update algorithms to the use of TV white spaces
Ojaniemi, Jaakko; Poikonen, Jussi; Wichman, Risto2012 ISBN: 978-1-936968-55-8Transmit Power Optimization for Multiantenna Decode-and-Forward Relays with Loopback Self-Interference from Full-Duplex Operation
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2012 in Conference Record of the Asilomar Conference on Signals Systems and Computers (Institute of Electrical and Electronics Engineers Inc.)ISBN: 978-1-4673-0323-1ISSN: 1058-6393Layer arrangement for single-user coordinated multi-point transmission
Schober, Karol; Wichman, Risto; Roman, Timo2012 ISBN: 978-1-4673-3140-1Field measurements of WSD-DTT protection ratios over outdoor and indoor reference geometries
Talmola, Pekka; Kalliovaara, Juha; Paavola, Jarkko; Ekman, Reijo; Kokkinen, Heikki; Heiska, Kari; Wichman, Risto; Poikonen, Jussi2012 ISBN: 978-1-936968-55-8SINR Prediction Versus Reverse Reporting for Soft Reuse and Interference Management
Cierny, Michel; Ribeiro, Cassio; Wichman, Risto; Tirkkonen, Olav2011 Inter-cell Interference Management in OFDMA TDD Downlink Using Sounding/Silencing Protocol
Cierny, Michal; Ribeiro, Cassio; Wichman, Risto; Tirkkonen, Olav2011 Exclusion regions via handshaking protocol for inter-cell interference management
Cierny, Michal; Jänis, Pekka; Wichman, Risto; Ribeiro, Cassio2011 Adaptive pre-distortion techniques based on orthogonal polynomials
Dallinger, R.; Ruotsalainen, H.; Wichman, R.; Rupp, M.2011 in Conference Record of the Asilomar Conference on Signals Systems and Computers (VDE Verlag)ISBN: 978-1-4244-9721-8ISSN: 1058-6393Cyclostationary autocorrelation based CFO estimators
Gonzalez, Gustavo; Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Wichman, Risto2011 Compensation of IQ imbalance and transmitter nonlinearities in broadband MIMO-OFDM
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Riihonen, Taneli; Wichman, Risto2011 in IEEE International Symposium on Circuits and Systems (VDE Verlag)ISBN: 978-1-4244-9474-3ISSN: 0271-4302Vision for Beyond 4G Broadband Radio Systems
Raaf, B.; Zirwas, W.; Friederichs, K.-J.; Tiirola, E.; Laitila, M.; Marsch, P.; Wichman, R.2011 ISBN: 978-1-4577-1348-4Optimal Eigenbeamforming for Suppressing Self-Interference in Full-Duplex MIMO Relays
Riihonen, Taneli; Balakrishnan, Arun; Haneda, Katsuyuki; Wyne, Shurjeel; Werner, Stefan; Wichman, Risto2011 Residual Self-Interference in Full-duplex MIMO Relays After Null-Space Projection and Cancellation
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2011 in Conference Record of the Asilomar Conference on Signals Systems and Computers (VDE Verlag)ISBN: 978-1-4244-9721-8ISSN: 1058-6393Prediction Based Resource Allocation in OFDMA
Schmidt, J.; Cousseau, J.; Wichman, R.; Werner, S.2011 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 Normalized covariance matrix quantization for MIMO broadcast systems
Schober, Karol; Määttänen, Helka-Liina; Tirkkonen, Olav; Wichman, Risto2011 MIMO ADAPTIVE CODEBOOK FOR CLOSELY SPACED ANTENNA ARRAYS
Schober, Karol; Wichman, Risto; Koivisto, Tommi2011 Spectral characteristics of a piecewise linear function in modeling power amplifier type nonlinearities
Cheong, Mei Yen; Werner, Stefan; Cousseau, Juan; Wichman, Risto2010 Sequential Compensation of RF Impairments in OFDM Systems
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Wichman, Risto; Riihonen, Taneli2010 ISBN: 978-1-4244-6398-5Green Cooperative Communication Using Threshold-Based Relay Selection Protocols
Le, Viet-Anh; Pitaval, Renaud-Alexandre; Blostein, Steven; Riihonen, Taneli; Wichman, Risto2010 Outage Performance of an Energy-Efficient Relaying Protocol Over Nakagami Fading Channels
Le, Viet-Anh; Riihonen, Taneli; Wichman, Risto; Blostein, Steven2010 One-Bit Feedback Selection Schemes for Power-Efficient Multiuser and Multirelay Systems
Le, Viet-Anh; Riihonen, Taneli; Wichman, Risto; Blostein, Steven2010 ISBN: 978-1-4244-6398-5Performance Evaluation of Relay Deployment Strategies in Multi-Cell Single Frequency Networks
Pitaval, Renaud-Alexandre; Riihonen, Taneli; Wichman, Risto; Blostein, Steven2010 ISBN: 978-1-4244-6398-5Spatial Loop Interference Suppression in Full-Duplex MIMO Relays
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2010 Rate-Interference Trade-off Between Duplex Modes in Decode-and-Forward Relaying
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2010 Generalized Exponential Decay Model for Power-Delay Profiles of Multipath Channels
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2010 BEP Analysis of OFDM Relay Links with Nonlinear Power Amplifiers
Riihonen, Taneli; Werner, Stefan; Gregorio, Fernando; Wichman, Risto; Hämäläinen, Jyri2010 Characterization and Compensation of Nonlinearities in a Continuous-time First-order Sigma Delta ADC
Schmidt, Christian; Cousseau, Juan; Figueroa, José; Wichman, Risto; Werner, Stefan2010 ISBN: 978-1-4244-5753-3Performance of Amplify-and-Forward and Decode-and-Forward Relays in LTE-Advanced
Bou Saleh, Abdallah; Redana, Simone; Raaf, Bernhard; Riihonen, Taneli; Hämäläinen, Jyri; Wichman, Risto2009 Nonlinear Amplifier Distortion in Cooperative Amplify-and-Forward OFDM Systems
del Razo, Victor; Riihonen, Taneli; Gregorio, Fernando; Werner, Stefan; Wichman, Risto2009 A study of OFDM signal detection using cyclostationarity
Gonzalez, Gustavo.; Cousseau, Juan; Gregorio, Fernando; Wichman, Risto; Werner, Stefan2009 Single-Carrier Cyclic-Extension Block DFE in Time Varying Channels
Gonzalez, Gustavo.; Cousseau, Juan.; Gregorio, Fernando; Wichman, Risto; Werner, Stefan2009 Design of Co-phasing Allpass Filters for Full-Duplex OFDM Relays
Riihonen, Taneli; Werner, Stefan; Cousseau, Juan; Wichman, Risto2009 Outage Probabilities in Infrastructure-Based Single-Frequency Relay Links
Riihonen, Taneli; Werner, Stefan; Wichman, Risto; Hämäläinen, Jyri2009 Capacity Evaluation of DF Protocols for OFDMA Infrastructure Relay Links
Riihonen, Taneli; Wichman, Risto; Werner, Stefan2009 Comparison of Full-Duplex and Half-Duplex Modes with a Fixed Amplify-and-Forward Relay
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2009 SINR Analysis of Full-Duplex OFDM Repeaters
Riihonen, Taneli; Haneda, Katsuyuki; Werner, Stefan; Wichman, Risto2009 ADC post-compensation using a Hammerstein model
Schmidt, Christian; Cousseau, Juan E.; Figueroa, Jose L.; Wichman, Risto; Werner, Stefan2009 MIMO-OFDM Channel Estimation with Eigenbeamforming and User-pecific Reference Signals
Schober, Karol; Wichman, Risto2009 Refinement of MIMO Limited-Feedback using Second Best Codeword
Schober, Karol; Wichman, Risto; Koivisto, Tommi2009 On the Analysis and Design of Practical Quantization for Opportunistic Beamforming
Dowhuszko, Alexis A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto2008 Evaluation of relay transmission in outdoor-to-indoor propagation channels
Haneda, K.; Kolmonen, V-M.; Riihonen, T.; Wichman, R.; Vainikainen, P.; Takada, J.2008 Tradeoff Between Grassmannian and Orthogonalizing Precoding With Linear Receiver Tirkkonen and R.Wichman
Määttanen, Helka-Liina; Schober, Karol; Tirkkonen, Olav; Wichman, Risto2008 Analysis of Subcarrier Pairing in a Cellular OFDMA Relay Link
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri; Hottinen, Ari2008 Co-phasing Full-Duplex Relay Link with Non-Ideal Feedback Information
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri2008 Delay Diversity Methods for Parallel OFDM Relays
Riihonen, Taneli; Wichman, Risto2008 Achievable Sum-Rate Analysis of Practical Multiuser Scheduling Schemes with Limited Feedback
Dowhuszko, A.A.; Corral-Briones, G.; Hämäläinen, Jyri; Wichman, Risto2007 Outage Capacity of Multiuser Fair Scheduling with Limited Feedback
Dowhuszko, A.A.; Corral-Briones, G.; Hämäläinen, Jyri; Wichman, Risto2007 Outage probability analysis of practical multiuser scheduling schemes with limited feedback
Dowhuszko, Alexis A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto2007 in IEEE VTS Vehicular Technology Conference Proceedings (IEEE)ISBN: 978-1-4244-0265-6ISSN: 1550-2252Broadband power amplifier distortion cancellation with model estimation in the receiver
Gregorio, Fernando H.; Werner, Stefan; Cousseau, Juan E.; Wichman, Risto2007 ISBN: 1-4244-0955-1Split predistortion approach for reduced complexity handset in OFDM systems
Gregorio, Fernando H.; Werner, Stefan; Wichman, Risto; Cousseau, Juan2007 Power Allocation for a Single-Frequency Fixed-Gain Relay Network
Riihonen, Taneli; Wichman, Risto2007 Diversity Analysis of a Parallel Amplify and Forward Relay Network
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri2007 ISBN: 1-4244-0955-1Channel Prediction for Link Adaptation in Fast Fading Environments
Schmidt, J.F.; Cousseau, Juan E.; Wichman, Risto2007 Fast-fading Channel Estimatior Using DCT and Simplified Kalman Filters
Schmidt, J.F.; Wichman, Risto; Gregorio, Fernando H.2007 Link adaptation with Distributed Jacobi Eigenbeamformining for MIMO systems
Werner, Stefan; Wichman, Risto2007 Delay spread and its effect on bandwidth in Gaussian parallel relay networks
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri2006 On the Effect of Channel-aware Scheduling to CDMA Uplink Capacity
Tenhonen, Kati; Hämäläinen, Jyri; Wichman, Risto; Horneman, Kari2006 Partial Update Adaptive Transmit Beamforming with Limited Feedback
Werner, Stefan; Wichman, Risto2006 Enhanced Partial Update Beamforming for Closed-loop MIMO Systems
Werner, Stefan; Wichman, Risto2006 Adaptive transmit eigenbeamforming with stochastic unitary plane rotations in MIMO systems with linear receivers
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Corral-Briones, G; Dowhuszko, AA; Hämäläinen, Jyri; Wichman, R2005 in IEEE VTS Vehicular Technology Conference Proceedings (IEEE)ISBN: 0-7803-8887-9ISSN: 1090-3038Achievable data rates for multiple transmit antenna broadcast channels with closed-loop transmit diversity modes
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Corral-Briones, G; Dowhuszko, AA; Hämäläinen, Jyri; Wichman, R2005 in IEEE International Conference on Communications (IEEE)ISBN: 0-7803-8938-7ISSN: 1550-3607Analysis and Measurements for Indoor Polarization MIMO in 5.25 GHz Band
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Gragorio, Fernando H.; Laakso, Timo; Wichman, Risto2004 Quantization of Channel Quality Indicator in Maximum SNR Scheduling
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Hämäläinen, Jyri; Wichman, Risto2003 Performance of Transmit Time Selection Diversity in Multipath Fading Channels
Hämäläinen, Jyri; Wichman, Risto2003 On the Performance of GSM/EDGE Transmit Diversity Schemes when Employing Dual-Polarized Antennas
Hämäläinen, Jyri; Wichman, Risto; Hulkkonen, Jari; Kähkönen, Timo; Korpi, Tero; Säily, Mikko2003 Bit error probabilitiesina two-rate communication system
Hämäläinen, Jyri; Wichman, Risto2003 On the Site Selection Diversity Transmission
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Hämäläinen, Jyri; Wichman, Risto2002 Asymptotic Bit-Error Probabilities of some Closed-loop Transmit Diversity Schemes
Hämäläinen, Jyri; Wichman, Risto2002 Performance Analysis of Closed-Loop Transmit Diversity in the Presence of Feedback Errors
Hämäläinen, Jyri; Wichman, Risto2002 On the performance of FDDW CDMA closed-loop transmit diversity modes in Nakagami and ricean fading channels
Hämäläinen, Jyri; Wichman, R2002 ISBN: 0-7803-7627-7Feedback schemes for FDD WCDMA systems in multipath environments
Hämäläinen, Jyri; Wichman, R2001 in IEEE VTS Vehicular Technology Conference Proceedings (IEEE)ISBN: 0-7803-6728-6ISSN: 1090-3038Closed-loop transmit diversity for FDD WCDMA systems
Hämäläinen, Jyri; Wichman, R2000 in CONFERENCE RECORD OF THE ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS (IEEE)ISBN: 0-7803-6514-3ISSN: 1058-6393
Predistortion for power amplifier linearization in full-duplex transceivers without extra RF chain
Gregorio, Fernando H.; Gonzalez, Gustavo J.; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto
2017 in Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (IEEE)ISBN: 9781509041176
ISSN: 2379-190X
Compensation of ADC-induced distortion in broadband full-duplex transceivers
Schmidt, Christian A.; Gonzalez, Gustavo; Gregorio, Fernando; Cousseau, Juan E.; Riihonen, Taneli; Wichman, Risto
2017 in IEEE International Conference on Communications Workshops (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781509015252
ISSN: 2474-9133
Interference alignment in heterogeneous networks with macro-to-picocell offloaded users
Bernhardt, Micael; Gregorio, Fernando; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto
2016 ISBN: 9781509020614
ISSN: 2154-0225
Interference cancellation architecture for full-duplex system with GFDM signaling
Chung, Wonsuk; Hong, Daesik; Wichman, Risto; Riihonen, Taneli
2016 in European Signal Processing Conference (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9780992862657
ISSN: 2219-5491
Performance analysis of full-duplex AF relaying with transceiver hardware impairments
González, Gustavo J.; Gregorio, Fernando H.; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto
2016 ISBN: 9783800742219
RF front-end implementation challenges of in-band full-duplex relay transceivers
Gregorio, Fernando H.; González, Gustavo J.; Cousseau, Juan; Riihonen, Taneli; Wichman, Risto
2016 ISBN: 9783800742219
Transmission Rate performance of symmetric two-way full-duplex links at large antenna-array limit
Riihonen, Taneli; Vehkaperä, Mikko; Wichman, Risto; Wang, Xiaodong
2016 ISBN: 978-1-4673-6540-6
Selective Multi-Hop Relaying for Ultra-Reliable Communication in a Factory Environment
Singh, Bikramjit; Tirkkonen, Olav; Li, Zexian; Uusitalo, Mikko A.; Wichman, Risto
2016 in IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops (IEEE)ISBN: 978-1-5090-3254-9
ISSN: 2166-9570
Enabling low-resolution ADC with high-order modulations for millimeter-wave systems
Ugurlu, Umut; Wichman, Risto
2016 in IEEE International Conference on Communications (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781479966646
ISSN: 1550-3607
Subspace-constrained SINR optimization in MIMO full-duplex relays under limited dynamic range : Signal Processing Advances in Wireless Communications (SPAWC), 2015 IEEE 16th International Workshop on
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2015 ISBN: 978-1-4799-1932-1
On the Time-Frequency Localisation of 5G Candidate Waveforms
Boyd, Christopher; Tirkkonen, Olav; WIchman, Risto
2015 ISBN: 978-1-4799-1932-1
Subspace-based phase noise estimation in OFDM receivers
Mathecken, Pramod; Werner, Stefan; Riihonen, Taneli; Wichman, Risto
2015 in IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings (IEEE)ISBN: 978-1-4673-6997-8
ISSN: 1520-6149
Multipath Phase Indication (MPI) Feedback for CSI Acquisition in FDD Massive MIMO
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl
2015 ISBN: 9781467367837
Coordinated Optimization of EVD-Based Channel Estimators in Multi-Cell Massive MIMO Networks
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl
2015 ISBN: 9781467363051
Asymptotic Analysis of Asymmetric MIMO Links: EVM Limits for Joint Decoding of PSK and QAM
Vehkaperä, Mikko; Riihonen, Taneli; Girnyk, Maksym A.; Björnson, Emil; Debbah, Merouane; Rasmussen, Lars K.; Wichman, Risto
2015 ISBN: 978-1-4673-6430-0
SINR Optimization in Wideband Full-Duplex MIMO Relays under Limited Dynamic Range
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2014 Modeling and Efficient Cancellation of Nonlinear Self-Interference in MIMO Full-Duplex Transceivers
Anttila, Lauri; Korpi, Dani; Antonio-Rodríguez, Emilio; Wichman, Risto; Valkama, Mikko
2014 On the potential of OFDM enhancements as 5G waveforms
Berardinelli, Gilberto; Pajukoski, Kari; Lähetkangas, Eeva; Wichman, Risto; Tirkkonen, Olav; Mogensen, Preben
2014 in IEEE Vehicular Technology Conference Proceedings (IEEE)ISBN: 978-1-4799-4482-8
ISSN: 1550-2252
Data assimilation for sensing aided geolocation database
Ojaniemi, Jaakko; Wichman, Risto
2014 Energy Detection in Full-Duplex Cognitive Radios under Residual Self-interference
Riihonen, Taneli; Wichman, Risto
2014 Adaptive Channel Quantization on TDD Reciprocity Performance of Relative Antenna Calibration
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl
2014 Iterative Genetic and Greedy-Based Algorithms for Multi-Carrier Multi-User Scheduling in MIMO Systems with Successive Zero Forcing
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl
2014 Power Control and Beamformer Design for the Optimization of Full-Duplex MIMO Relays in a Dual-Hop MISO Link
Ugurlu, Umut; Wichman, Risto; Riihonen, Taneli; Ribeiro, Cassio; Wijting, Carl
2014 A Novel Joint Precoder and Receiver Design with Imperfect CSI for Multi-User MIMO Downlink
Ugurlu, Umut; Wichman, Risto; Ribeiro, Cassio; Wijting, Carl
2014 Analysis of Channel Non-Reciprocity Due to Transceiver and Antenna Coupling Mismatches in TDD Precoded Multi-User MIMO-OFDM Downlink
Zou, Yaning; Raeesi, O; Wichman, Risto; Tölli, Antti; Valkama, Mikko
2014 Macrocell Resource Adaptation for Improved Femtocell Deployment and Interference Management
Ahmedin, Ahmed; Elsherif, Ahmed; Liu, Xin; Hämäläinen, Jyri; Wichman, Risto
2013 Autocorrelation-based adaptation rule for feedback equalization in wideband full-duplex amplify-and-forward MIMO relays
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2013 in International Conference on Acoustics Speech and Signal Processing ICASSP (IEEE)ISBN: 978-1-4799-0356-6
ISSN: 1520-6149
Adaptive self-interference cancellation in wideband full-duplex decode-and-forward MIMO relays
Antonio-Rodriguez, Emilio; Lopez-Valcarce, Roberto; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2013 Inference-Driven Dynamic Access Scheme for Interference Management in Heterogeneous Networks
Elsherif, Ahmed; Ding, Zhi; Liu, Xin; Hämäläinen, Jyri; Wichman, Risto
2013 Full Duplex Relaying for Local Area
Harjula, Ilkka; Wichman, Risto; Pajukoski, Kari; Lähetkangas, Eeva; Tiirola, Esa; Tirkkonen, Olav
2013 in IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE)ISSN: 2166-9570
Advanced self-interference cancellation and multiantenna techniques for full-duplex radios
Korpi, D.; Venkatasubramanian, S.; Riihonen, T.; Anttila, L.; Otewa, S.; Icheln, C.; Haneda, K.; Tretyakov, S.; Valkama, M.; Wichman, R
2013 Implementation Challenges in Full-Duplex Radio Transceivers
Korpi, Dani; Valkama, Mikko; Riihonen, Taneli; Wichman, Risto
2013 Constrained Least-Squares Estimation and Compensation of Phase Noise in OFDM Radio Link
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2013 in Asilomar Conference on Signals, Systems and Computers. Conference Record (IEEE)ISBN: 978-1-4673-5050-1
ISSN: 1058-6393
Optimal field measurement design for radio environment mapping
Ojaniemi, Jaakko; Kalliovaara, Juha; Alam, Ahmad; Poikonen, Jussi; Wichman, Risto
2013 A practical method for combining multivariate data in radio environment mapping
Ojaniemi, Jaakko; Kalliovaara, Juha; Poikonen, Jussi; Wichman, Risto
2013 in IEEE International Symposium on Personal Indoor and Mobile Radio Communications (IEEE)ISSN: 2166-9570
Effect of Oscillator Phase Noise and Processing Delay in Full-Duplex OFDM Repeaters
Riihonen, Taneli; Mathecken, Pramod; Wichman, Risto
2013 in Asilomar Conference on Signals, Systems and Computers. Conference Record (IEEE)ISBN: 978-1-4673-5050-1
ISSN: 1058-6393
Analog and Digital Self-interference Cancellation in Full-Duplex MIMO-OFDM Transceivers with Limited Resolution in A/D Conversion
Riihonen, Taneli; Wichman, Risto
2013 Large-System Analysis of Rate Regions in Bidirectional Full-Duplex MIMO Link: Suppression versus Cancellation
Riihonen, Taneli; Vehkaperä, Mikko; Wichman, Risto
2013 MIMO adaptive codebook for cross-polarized antenna arrays
Schober, Karol; Enescu, Mihai; Wichman, Risto
2013 Optimized Full-Duplex MIMO Relay in SISO Link
Ugurlu, Umut; Riihonen, Taneli; Wichman, Risto
2013 Asymptotic Analysis of Full-Duplex Bidirectional MIMO Link with Transmitter Noise
Vehkaperä, Mikko; Riihonen, Taneli; Wichman, Risto
2013 On Achievable Rate Regions at Large-System Limit in Full-Duplex Wireless Local Access
Vehkaperä, Mikko; Girnyk, Maksym; Riihonen, Taneli; Wichman, Risto; Rasmussen, Lars
2013 Time domain bi-level downlink power control for cross-tier interference mitigation in HetNet
Wang, Haining; Ding, Zhi; Cierny, Michal; Wichman, Risto
2013 in IEEE International Conference on Communications (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781467331227
ISSN: 1550-3607
On TDD Cross-Tier In-Band Interference Mitigation: A Practical Example
Cierny, Michal; Wichman, Risto; Hämäläinen, Jyri; Ribeiro, Cassio; Ding, Zhi; Liu, Xin
2012 Shadow Chasing : A Resource Allocation Scheme For Heterogeneous Networks
Elsherif, Ahmed Ragab; Ding, Zhi; Liu, Xin; Hämäläinen, Jyri; Wichman, Risto
2012 ISBN: 978-1-936968-55-8
Accurate Characterization and Compensation of Phase Noise in OFDM Receiver
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2012 in Conference Record of the Asilomar Conference on Signals Systems and Computers (Institute of Electrical and Electronics Engineers Inc.)ISBN: 978-1-4673-0323-1
ISSN: 1058-6393
Average Capacity of Rayleigh-Fading OFDM Link with Wiener Phase Noise and Frequency Offset
Mathecken, Pramod; Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2012 ISBN: 978-1-4673-2569-1
Effect of geolocation database update algorithms to the use of TV white spaces
Ojaniemi, Jaakko; Poikonen, Jussi; Wichman, Risto
2012 ISBN: 978-1-936968-55-8
Transmit Power Optimization for Multiantenna Decode-and-Forward Relays with Loopback Self-Interference from Full-Duplex Operation
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2012 in Conference Record of the Asilomar Conference on Signals Systems and Computers (Institute of Electrical and Electronics Engineers Inc.)ISBN: 978-1-4673-0323-1
ISSN: 1058-6393
Layer arrangement for single-user coordinated multi-point transmission
Schober, Karol; Wichman, Risto; Roman, Timo
2012 ISBN: 978-1-4673-3140-1
Field measurements of WSD-DTT protection ratios over outdoor and indoor reference geometries
Talmola, Pekka; Kalliovaara, Juha; Paavola, Jarkko; Ekman, Reijo; Kokkinen, Heikki; Heiska, Kari; Wichman, Risto; Poikonen, Jussi
2012 ISBN: 978-1-936968-55-8
SINR Prediction Versus Reverse Reporting for Soft Reuse and Interference Management
Cierny, Michel; Ribeiro, Cassio; Wichman, Risto; Tirkkonen, Olav
2011 Inter-cell Interference Management in OFDMA TDD Downlink Using Sounding/Silencing Protocol
Cierny, Michal; Ribeiro, Cassio; Wichman, Risto; Tirkkonen, Olav
2011 Exclusion regions via handshaking protocol for inter-cell interference management
Cierny, Michal; Jänis, Pekka; Wichman, Risto; Ribeiro, Cassio
2011 Adaptive pre-distortion techniques based on orthogonal polynomials
Dallinger, R.; Ruotsalainen, H.; Wichman, R.; Rupp, M.
2011 in Conference Record of the Asilomar Conference on Signals Systems and Computers (VDE Verlag)ISBN: 978-1-4244-9721-8
ISSN: 1058-6393
Cyclostationary autocorrelation based CFO estimators
Gonzalez, Gustavo; Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Wichman, Risto
2011 Compensation of IQ imbalance and transmitter nonlinearities in broadband MIMO-OFDM
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Riihonen, Taneli; Wichman, Risto
2011 in IEEE International Symposium on Circuits and Systems (VDE Verlag)ISBN: 978-1-4244-9474-3
ISSN: 0271-4302
Vision for Beyond 4G Broadband Radio Systems
Raaf, B.; Zirwas, W.; Friederichs, K.-J.; Tiirola, E.; Laitila, M.; Marsch, P.; Wichman, R.
2011 ISBN: 978-1-4577-1348-4
Optimal Eigenbeamforming for Suppressing Self-Interference in Full-Duplex MIMO Relays
Riihonen, Taneli; Balakrishnan, Arun; Haneda, Katsuyuki; Wyne, Shurjeel; Werner, Stefan; Wichman, Risto
2011 Residual Self-Interference in Full-duplex MIMO Relays After Null-Space Projection and Cancellation
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2011 in Conference Record of the Asilomar Conference on Signals Systems and Computers (VDE Verlag)ISBN: 978-1-4244-9721-8
ISSN: 1058-6393
Prediction Based Resource Allocation in OFDMA
Schmidt, J.; Cousseau, J.; Wichman, R.; Werner, S.
2011 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 Normalized covariance matrix quantization for MIMO broadcast systems
Schober, Karol; Määttänen, Helka-Liina; Tirkkonen, Olav; Wichman, Risto
2011 MIMO ADAPTIVE CODEBOOK FOR CLOSELY SPACED ANTENNA ARRAYS
Schober, Karol; Wichman, Risto; Koivisto, Tommi
2011 Spectral characteristics of a piecewise linear function in modeling power amplifier type nonlinearities
Cheong, Mei Yen; Werner, Stefan; Cousseau, Juan; Wichman, Risto
2010 Sequential Compensation of RF Impairments in OFDM Systems
Gregorio, Fernando; Cousseau, Juan; Werner, Stefan; Wichman, Risto; Riihonen, Taneli
2010 ISBN: 978-1-4244-6398-5
Green Cooperative Communication Using Threshold-Based Relay Selection Protocols
Le, Viet-Anh; Pitaval, Renaud-Alexandre; Blostein, Steven; Riihonen, Taneli; Wichman, Risto
2010 Outage Performance of an Energy-Efficient Relaying Protocol Over Nakagami Fading Channels
Le, Viet-Anh; Riihonen, Taneli; Wichman, Risto; Blostein, Steven
2010 One-Bit Feedback Selection Schemes for Power-Efficient Multiuser and Multirelay Systems
Le, Viet-Anh; Riihonen, Taneli; Wichman, Risto; Blostein, Steven
2010 ISBN: 978-1-4244-6398-5
Performance Evaluation of Relay Deployment Strategies in Multi-Cell Single Frequency Networks
Pitaval, Renaud-Alexandre; Riihonen, Taneli; Wichman, Risto; Blostein, Steven
2010 ISBN: 978-1-4244-6398-5
Spatial Loop Interference Suppression in Full-Duplex MIMO Relays
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2010 Rate-Interference Trade-off Between Duplex Modes in Decode-and-Forward Relaying
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2010 Generalized Exponential Decay Model for Power-Delay Profiles of Multipath Channels
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2010 BEP Analysis of OFDM Relay Links with Nonlinear Power Amplifiers
Riihonen, Taneli; Werner, Stefan; Gregorio, Fernando; Wichman, Risto; Hämäläinen, Jyri
2010 Characterization and Compensation of Nonlinearities in a Continuous-time First-order Sigma Delta ADC
Schmidt, Christian; Cousseau, Juan; Figueroa, José; Wichman, Risto; Werner, Stefan
2010 ISBN: 978-1-4244-5753-3
Performance of Amplify-and-Forward and Decode-and-Forward Relays in LTE-Advanced
Bou Saleh, Abdallah; Redana, Simone; Raaf, Bernhard; Riihonen, Taneli; Hämäläinen, Jyri; Wichman, Risto
2009 Nonlinear Amplifier Distortion in Cooperative Amplify-and-Forward OFDM Systems
del Razo, Victor; Riihonen, Taneli; Gregorio, Fernando; Werner, Stefan; Wichman, Risto
2009 A study of OFDM signal detection using cyclostationarity
Gonzalez, Gustavo.; Cousseau, Juan; Gregorio, Fernando; Wichman, Risto; Werner, Stefan
2009 Single-Carrier Cyclic-Extension Block DFE in Time Varying Channels
Gonzalez, Gustavo.; Cousseau, Juan.; Gregorio, Fernando; Wichman, Risto; Werner, Stefan
2009 Design of Co-phasing Allpass Filters for Full-Duplex OFDM Relays
Riihonen, Taneli; Werner, Stefan; Cousseau, Juan; Wichman, Risto
2009 Outage Probabilities in Infrastructure-Based Single-Frequency Relay Links
Riihonen, Taneli; Werner, Stefan; Wichman, Risto; Hämäläinen, Jyri
2009 Capacity Evaluation of DF Protocols for OFDMA Infrastructure Relay Links
Riihonen, Taneli; Wichman, Risto; Werner, Stefan
2009 Comparison of Full-Duplex and Half-Duplex Modes with a Fixed Amplify-and-Forward Relay
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2009 SINR Analysis of Full-Duplex OFDM Repeaters
Riihonen, Taneli; Haneda, Katsuyuki; Werner, Stefan; Wichman, Risto
2009 ADC post-compensation using a Hammerstein model
Schmidt, Christian; Cousseau, Juan E.; Figueroa, Jose L.; Wichman, Risto; Werner, Stefan
2009 MIMO-OFDM Channel Estimation with Eigenbeamforming and User-pecific Reference Signals
Schober, Karol; Wichman, Risto
2009 Refinement of MIMO Limited-Feedback using Second Best Codeword
Schober, Karol; Wichman, Risto; Koivisto, Tommi
2009 On the Analysis and Design of Practical Quantization for Opportunistic Beamforming
Dowhuszko, Alexis A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto
2008 Evaluation of relay transmission in outdoor-to-indoor propagation channels
Haneda, K.; Kolmonen, V-M.; Riihonen, T.; Wichman, R.; Vainikainen, P.; Takada, J.
2008 Tradeoff Between Grassmannian and Orthogonalizing Precoding With Linear Receiver Tirkkonen and R.Wichman
Määttanen, Helka-Liina; Schober, Karol; Tirkkonen, Olav; Wichman, Risto
2008 Analysis of Subcarrier Pairing in a Cellular OFDMA Relay Link
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri; Hottinen, Ari
2008 Co-phasing Full-Duplex Relay Link with Non-Ideal Feedback Information
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri
2008 Delay Diversity Methods for Parallel OFDM Relays
Riihonen, Taneli; Wichman, Risto
2008 Achievable Sum-Rate Analysis of Practical Multiuser Scheduling Schemes with Limited Feedback
Dowhuszko, A.A.; Corral-Briones, G.; Hämäläinen, Jyri; Wichman, Risto
2007 Outage Capacity of Multiuser Fair Scheduling with Limited Feedback
Dowhuszko, A.A.; Corral-Briones, G.; Hämäläinen, Jyri; Wichman, Risto
2007 Outage probability analysis of practical multiuser scheduling schemes with limited feedback
Dowhuszko, Alexis A.; Corral-Briones, Graciela; Hämäläinen, Jyri; Wichman, Risto
2007 in IEEE VTS Vehicular Technology Conference Proceedings (IEEE)ISBN: 978-1-4244-0265-6
ISSN: 1550-2252
Broadband power amplifier distortion cancellation with model estimation in the receiver
Gregorio, Fernando H.; Werner, Stefan; Cousseau, Juan E.; Wichman, Risto
2007 ISBN: 1-4244-0955-1
Split predistortion approach for reduced complexity handset in OFDM systems
Gregorio, Fernando H.; Werner, Stefan; Wichman, Risto; Cousseau, Juan
2007 Power Allocation for a Single-Frequency Fixed-Gain Relay Network
Riihonen, Taneli; Wichman, Risto
2007 Diversity Analysis of a Parallel Amplify and Forward Relay Network
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri
2007 ISBN: 1-4244-0955-1
Channel Prediction for Link Adaptation in Fast Fading Environments
Schmidt, J.F.; Cousseau, Juan E.; Wichman, Risto
2007 Fast-fading Channel Estimatior Using DCT and Simplified Kalman Filters
Schmidt, J.F.; Wichman, Risto; Gregorio, Fernando H.
2007 Link adaptation with Distributed Jacobi Eigenbeamformining for MIMO systems
Werner, Stefan; Wichman, Risto
2007 Delay spread and its effect on bandwidth in Gaussian parallel relay networks
Riihonen, Taneli; Wichman, Risto; Hämäläinen, Jyri
2006 On the Effect of Channel-aware Scheduling to CDMA Uplink Capacity
Tenhonen, Kati; Hämäläinen, Jyri; Wichman, Risto; Horneman, Kari
2006 Partial Update Adaptive Transmit Beamforming with Limited Feedback
Werner, Stefan; Wichman, Risto
2006 Enhanced Partial Update Beamforming for Closed-loop MIMO Systems
Werner, Stefan; Wichman, Risto
2006 Adaptive transmit eigenbeamforming with stochastic unitary plane rotations in MIMO systems with linear receivers
Werner, Stefan; Wichman, Risto
2006 Downlink multiuser scheduling algorithms with HSDPA closed-loop feedback information
Corral-Briones, G; Dowhuszko, AA; Hämäläinen, Jyri; Wichman, R
2005 in IEEE VTS Vehicular Technology Conference Proceedings (IEEE)ISBN: 0-7803-8887-9
ISSN: 1090-3038
Achievable data rates for multiple transmit antenna broadcast channels with closed-loop transmit diversity modes
Corral-Briones, Graciela; Dowhuszko, Alexis A.; Hämäläinen, Jyri; Wichman, Risto
2005 Downlink Multiuser Scheduling Algorithm with HSDPA Closed-Loop Feedback Information
Corral-Briones, Graciela; Dowhuszko, Alexis A.; Hämäläinen, Jyri; Wichman, Risto
2005 Achievable data rates for two transmit antenna broadcast channels with WCDMA HSDPA feedback information
Corral-Briones, G; Dowhuszko, AA; Hämäläinen, Jyri; Wichman, R
2005 in IEEE International Conference on Communications (IEEE)ISBN: 0-7803-8938-7
ISSN: 1550-3607
Analysis and Measurements for Indoor Polarization MIMO in 5.25 GHz Band
Hämäläinen, Jyri; Nuutinen, Jukka-Pekka; Wichman, Risto; Ylitalo, Juha; Jämsä, Tommi
2005 Filtered gradient algorithm for closed loop MIMO systems
Wichman, Risto; Werner, Stefan
2005 Comparison of clustered and antenna interleaving OFDM in multiple-antenna systems with amplifier nonlinearities
Gragorio, Fernando H.; Laakso, Timo; Wichman, Risto
2004 Quantization of Channel Quality Indicator in Maximum SNR Scheduling
Hämäläinen, Jyri; Wichman, Risto
2004 Performance of Multiuser Diversity in the Presence of Feedback Errors
Hämäläinen, Jyri; Wichman, Risto
2004 MIMO Performance in UTRA FDD Uplink
Hämäläinen, Jyri; Pajukoski, Kari; Tiirola, Esa; Wichman, Risto; Ylitalo, Juha
2004 On Correlations between Dual-Polarized Base Station Antennas
Hämäläinen, Jyri; Wichman, Risto
2003 Performance of Transmit Time Selection Diversity in Multipath Fading Channels
Hämäläinen, Jyri; Wichman, Risto
2003 On the Performance of GSM/EDGE Transmit Diversity Schemes when Employing Dual-Polarized Antennas
Hämäläinen, Jyri; Wichman, Risto; Hulkkonen, Jari; Kähkönen, Timo; Korpi, Tero; Säily, Mikko
2003 Bit error probabilitiesina two-rate communication system
Hämäläinen, Jyri; Wichman, Risto
2003 On the Site Selection Diversity Transmission
Hämäläinen, Jyri; Wichman, Risto
2003 Combining multiuser diversity and WCDMA transmit diversity models
Hämäläinen, Jyri; Wichman, Risto
2002 Asymptotic Bit-Error Probabilities of some Closed-loop Transmit Diversity Schemes
Hämäläinen, Jyri; Wichman, Risto
2002 Performance Analysis of Closed-Loop Transmit Diversity in the Presence of Feedback Errors
Hämäläinen, Jyri; Wichman, Risto
2002 On the performance of FDDW CDMA closed-loop transmit diversity modes in Nakagami and ricean fading channels
Hämäläinen, Jyri; Wichman, R
2002 ISBN: 0-7803-7627-7
Feedback schemes for FDD WCDMA systems in multipath environments
Hämäläinen, Jyri; Wichman, R
2001 in IEEE VTS Vehicular Technology Conference Proceedings (IEEE)ISBN: 0-7803-6728-6
ISSN: 1090-3038
Closed-loop transmit diversity for FDD WCDMA systems
Hämäläinen, Jyri; Wichman, R
2000 in CONFERENCE RECORD OF THE ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS (IEEE)ISBN: 0-7803-6514-3
ISSN: 1058-6393
Non-refereed scientific articles
Book sectionImpact and Digital Suppression of Oscillator Phase Noise in Radio Communications
Valkama, Mikko; Syrjälä, Ville; Wichman, Risto; Mathecken, Pramod2012 ISBN: 978-1-1199-4494-2
Impact and Digital Suppression of Oscillator Phase Noise in Radio Communications
Valkama, Mikko; Syrjälä, Ville; Wichman, Risto; Mathecken, Pramod
2012 ISBN: 978-1-1199-4494-2
Scientific books (monographs)
BookMultiantenna Transceiver Techniques for 3G and Beyond
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto2003
Multiantenna Transceiver Techniques for 3G and Beyond
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto
2003 Publications intended for professional communities
Article in professional journalRF-signaalia ehostetaan digitaalisesti
Valkama, Mikko; Wichman, Risto2010 in Prosessori (John Wiley & Sons, Ltd.)ISSN: 0357-4121
RF-signaalia ehostetaan digitaalisesti
Valkama, Mikko; Wichman, Risto
2010 in Prosessori (John Wiley & Sons, Ltd.)ISSN: 0357-4121
Published development or research reportOn the Feasibility of Full-Duplex Relaying in the Presence of Loop Interference
Riihonen, Taneli; Werner, Stefan; Wichman, Risto2009 Single-bit closed-loop quasi-orthogonal space-time codes for MIMO systems
Werner, Stefan; Wichman, Risto; Riihonen, Taneli2009 Measurement based analysis of gain-diversity tradeoff in relay transmission
Haneda, K.; Riihonen, T.; Kolmonen, V-M.; Wichman, R.; Vainikainen, P.; Takada, J.2008 BEP analysis of OSTBC-OFDM systems with broadband PA and imperfect memory compensation
Gregorio, Fernando; Werner, Stefan; Hämäläinen, Jyri; Wichman, Risto; Cousseau, Juan2007
On the Feasibility of Full-Duplex Relaying in the Presence of Loop Interference
Riihonen, Taneli; Werner, Stefan; Wichman, Risto
2009 Single-bit closed-loop quasi-orthogonal space-time codes for MIMO systems
Werner, Stefan; Wichman, Risto; Riihonen, Taneli
2009 Measurement based analysis of gain-diversity tradeoff in relay transmission
Haneda, K.; Riihonen, T.; Kolmonen, V-M.; Wichman, R.; Vainikainen, P.; Takada, J.
2008 BEP analysis of OSTBC-OFDM systems with broadband PA and imperfect memory compensation
Gregorio, Fernando; Werner, Stefan; Hämäläinen, Jyri; Wichman, Risto; Cousseau, Juan
2007 Patents and invention disclosures
PatentCommunication system and method using transmit diversity
Hämäläinen, Jyri; Wichman, Risto2007 Transceiver method in a radio system and a radio system
Hämäläinen, Jyri; Niemelä, Kari; Wichman, Risto2007 Communication on multiple beams between stations
Wichman, Risto; Tirkkonen, Olav; Kashaev, Rinat2007 Joint Transmitter Antenna Diversity and Complex Diversity Transform
Hottinen, Ari; Wichman, Risto; Correia, Americo2006 Method for controlling the weighting of a data signal in the at least two antenna elements of a radio connection unit, radio connection unit, module and communications system
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto2006 Apparatus, and associated method, for space-time encoding, and decoding, data at a selected code rate
Hämäläinen, Jyri; Wichman, Risto2006 Transmission diversity with two cross-polarised antennas arrays
Hämäläinen, Jyri; Wichman, Risto2006 Downlink Swiched Transmission Diversity Based on Power Control
Wichman, Risto2005 Menetelmä Informaation välittämiseksi tiedonsiirtojärjestelmässä, tiedonsiirtojärjestelmä, verkkoelementti sekä langaton viestin
Wichman, Risto; Ranta, Pekka2004 Transmission Antenna Diversity
Hottinen, Ari; Wichman, Risto2003 TRANSMISSION ANTENNA DIVERSITY
Hottinen, Ari; Wichman, Risto2003 METHOD AND ARRANGEMENT FOR FORMING A BEAM
Hottinen, Ari; Wichman, Risto2003 DATA TRANSMISSION METHOD AND A RADIO SYSTEM
Kärna, Juha; Toskala, Antti; Soininen, Pekka; Kalliojärvi, Kari; Hottinen, Ari; Wichman, Risto2003 Menetelmä ja radiojärjestelmä digitaalisen signaalin siirtoon
Hottinen, Ari; Wichman, Risto2002 METHOD OF IMPLEMENTING MACRODIVERSITY
Toskala, Antti; Wichman, Risto2002 Vastaanottomenetelmä ja vastaanotin
Wichman, Risto; Hottinen, Ari2002
Communication system and method using transmit diversity
Hämäläinen, Jyri; Wichman, Risto
2007 Transceiver method in a radio system and a radio system
Hämäläinen, Jyri; Niemelä, Kari; Wichman, Risto
2007 Communication on multiple beams between stations
Wichman, Risto; Tirkkonen, Olav; Kashaev, Rinat
2007 Joint Transmitter Antenna Diversity and Complex Diversity Transform
Hottinen, Ari; Wichman, Risto; Correia, Americo
2006 Method for controlling the weighting of a data signal in the at least two antenna elements of a radio connection unit, radio connection unit, module and communications system
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto
2006 Apparatus, and associated method, for space-time encoding, and decoding, data at a selected code rate
Hämäläinen, Jyri; Wichman, Risto
2006 Transmission diversity with two cross-polarised antennas arrays
Hämäläinen, Jyri; Wichman, Risto
2006 Downlink Swiched Transmission Diversity Based on Power Control
Wichman, Risto
2005 Menetelmä Informaation välittämiseksi tiedonsiirtojärjestelmässä, tiedonsiirtojärjestelmä, verkkoelementti sekä langaton viestin
Wichman, Risto; Ranta, Pekka
2004 Transmission Antenna Diversity
Hottinen, Ari; Wichman, Risto
2003 TRANSMISSION ANTENNA DIVERSITY
Hottinen, Ari; Wichman, Risto
2003 METHOD AND ARRANGEMENT FOR FORMING A BEAM
Hottinen, Ari; Wichman, Risto
2003 DATA TRANSMISSION METHOD AND A RADIO SYSTEM
Kärna, Juha; Toskala, Antti; Soininen, Pekka; Kalliojärvi, Kari; Hottinen, Ari; Wichman, Risto
2003 Menetelmä ja radiojärjestelmä digitaalisen signaalin siirtoon
Hottinen, Ari; Wichman, Risto
2002 METHOD OF IMPLEMENTING MACRODIVERSITY
Toskala, Antti; Wichman, Risto
2002 Vastaanottomenetelmä ja vastaanotin
Wichman, Risto; Hottinen, Ari
2002 Read about executive education
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