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)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: 3-540-20199-8Conference 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
Werner, Stefan; Wichman, Risto2006 Downlink multiuser scheduling algorithms with HSDPA closed-loop feedback information
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
Corral-Briones, Graciela; Dowhuszko, Alexis A.; Hämäläinen, Jyri; Wichman, Risto2005 Downlink Multiuser Scheduling Algorithm with HSDPA Closed-Loop Feedback Information
Corral-Briones, Graciela; Dowhuszko, Alexis A.; Hämäläinen, Jyri; Wichman, Risto2005 Achievable data rates for two transmit antenna broadcast channels with WCDMA HSDPA feedback information
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
Hämäläinen, Jyri; Nuutinen, Jukka-Pekka; Wichman, Risto; Ylitalo, Juha; Jämsä, Tommi2005 Filtered gradient algorithm for closed loop MIMO systems
Wichman, Risto; Werner, Stefan2005 Comparison of clustered and antenna interleaving OFDM in multiple-antenna systems with amplifier nonlinearities
Gragorio, Fernando H.; Laakso, Timo; Wichman, Risto2004 Quantization of Channel Quality Indicator in Maximum SNR Scheduling
Hämäläinen, Jyri; Wichman, Risto2004 Performance of Multiuser Diversity in the Presence of Feedback Errors
Hämäläinen, Jyri; Wichman, Risto2004 MIMO Performance in UTRA FDD Uplink
Hämäläinen, Jyri; Pajukoski, Kari; Tiirola, Esa; Wichman, Risto; Ylitalo, Juha2004 On Correlations between Dual-Polarized Base Station Antennas
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
Hämäläinen, Jyri; Wichman, Risto2003 Combining multiuser diversity and WCDMA transmit diversity models
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: 1058-6393Non-refereed scientific articles
Book sectionImpact and Digital Suppression of Oscillator Phase Noise in Radio Communications
Valkama, Mikko; Syrjälä, Ville; Wichman, Risto; Mathecken, Pramod2012 ISBN: 978-1-1199-4494-2Scientific books (monographs)
BookMultiantenna Transceiver Techniques for 3G and Beyond
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto2003 Publications intended for professional communities
Article in professional journalRF-signaalia ehostetaan digitaalisesti
Valkama, Mikko; Wichman, Risto2010 in Prosessori (John Wiley & Sons, Ltd.)ISSN: 0357-4121Published 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 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
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)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
Werner, Stefan; Wichman, Risto2006 Downlink multiuser scheduling algorithms with HSDPA closed-loop feedback information
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
Corral-Briones, Graciela; Dowhuszko, Alexis A.; Hämäläinen, Jyri; Wichman, Risto2005 Downlink Multiuser Scheduling Algorithm with HSDPA Closed-Loop Feedback Information
Corral-Briones, Graciela; Dowhuszko, Alexis A.; Hämäläinen, Jyri; Wichman, Risto2005 Achievable data rates for two transmit antenna broadcast channels with WCDMA HSDPA feedback information
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
Hämäläinen, Jyri; Nuutinen, Jukka-Pekka; Wichman, Risto; Ylitalo, Juha; Jämsä, Tommi2005 Filtered gradient algorithm for closed loop MIMO systems
Wichman, Risto; Werner, Stefan2005 Comparison of clustered and antenna interleaving OFDM in multiple-antenna systems with amplifier nonlinearities
Gragorio, Fernando H.; Laakso, Timo; Wichman, Risto2004 Quantization of Channel Quality Indicator in Maximum SNR Scheduling
Hämäläinen, Jyri; Wichman, Risto2004 Performance of Multiuser Diversity in the Presence of Feedback Errors
Hämäläinen, Jyri; Wichman, Risto2004 MIMO Performance in UTRA FDD Uplink
Hämäläinen, Jyri; Pajukoski, Kari; Tiirola, Esa; Wichman, Risto; Ylitalo, Juha2004 On Correlations between Dual-Polarized Base Station Antennas
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
Hämäläinen, Jyri; Wichman, Risto2003 Combining multiuser diversity and WCDMA transmit diversity models
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: 1058-6393Non-refereed scientific articles
Book sectionImpact and Digital Suppression of Oscillator Phase Noise in Radio Communications
Valkama, Mikko; Syrjälä, Ville; Wichman, Risto; Mathecken, Pramod2012 ISBN: 978-1-1199-4494-2Scientific books (monographs)
BookMultiantenna Transceiver Techniques for 3G and Beyond
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto2003 Publications intended for professional communities
Article in professional journalRF-signaalia ehostetaan digitaalisesti
Valkama, Mikko; Wichman, Risto2010 in Prosessori (John Wiley & Sons, Ltd.)ISSN: 0357-4121Published 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 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
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
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 Publications intended for professional communities
Article in professional journalRF-signaalia ehostetaan digitaalisesti
Valkama, Mikko; Wichman, Risto2010 in Prosessori (John Wiley & Sons, Ltd.)ISSN: 0357-4121Published 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 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
Multiantenna Transceiver Techniques for 3G and Beyond
Hottinen, Ari; Tirkkonen, Olav; Wichman, Risto
2003 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 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
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 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
Other experts
Peter Hinssen
Peter is the author of four bestselling business books. Peter recently launched his fourth book ‘The Day After Tomorrow’ (June 2017), about surviving in times of radical innovation. ‘The Network Always Wins’ (2014) explains how and why companies have no choice but to become a network when the out...
Vassilis Monastiriotis
Vassilis Monastiriotis is an economist and economic geographer by training, specialising in three areas of Labour Economics, Economic Geography and Political Economy. He has significant policy engagement on all three areas, including appointments in Experts Committees (e.g., on Regional Incentive...
George Hammond
Areas of Expertise Regional economic forecasting Energy forecasting Workforce development Higher education and human capital accumulation Current Research Economics Human capital Macroeconomics Regional growth and development Bio George W. Hammond, Ph.D., brings a wealth of experience...
Popular Courses
Leading People and Teams
ESMT
Berlin, Germany
May 28
Private Equity: Investing and Creating Value
The Wharton School
Philadelphia, Pennsylvania, United States
Sep 8
The Manchester Leadership Development Programme
Alliance Manchester Business School
Manchester, United Kingdom
Jul 1
Leading Strategic Growth and Change
Columbia Business School
New York, New York, United States
Jun 10
The Positive Leader: Deep Change and Organizational Transformation
Stephen M. Ross School of Business
Ann Arbor, Michigan, United States
Jun 23
Leading Digital Transformation
ESMT
Berlin, Germany
May 28
Looking for an expert?
Contact us and we'll find the best option for you.