Design and analysis of multi-stage quadrature sigma-delta A/D converter for cognitive radio receivers. - Jaakko Marttila; Markus Allén; Mikko Valkama (CAMAD, 2011)

Iterative signal processing for mitigation of wideband ADC nonidealities in cognitive radio receiver. - Markus Allén; Jaakko Marttila; Mikko Valkama (EUSIPCO, 2011)

Real-time FPGA implementation and measured performance of I/Q modulation based frequency synthesizer. - Juha Suviola; Markus Allén; Mikko Valkama; Markku Renfors (EUSIPCO, 2011)

Quadrature ΣΔ Modulators for Cognitive Radio - I/Q Imbalance Analysis and Complex Multiband Principle. - Jaakko Marttila; Markus Allén; Mikko Valkama (Circuits Syst. Signal Process., 2011)

Multistage Quadrature Sigma-Delta Modulators for Reconfigurable Multi-Band Analog-Digital Interface in Cognitive Radio Devices. - Jaakko Marttila; Markus Allén; Mikko Valkama (EURASIP J. Wirel. Commun. Netw., 2011)

General clipping modeling and DSP-based mitigation for wideband A/D interface and RF front-end of emerging radio receivers. - Markus Allén; Jaakko Marttila; Mikko Valkama (MWSCAS, 2012)

Digital mirror-frequency interference compensation for multiband quadrature sigma-delta ADC based cognitive radio receivers. - Jaakko Marttila; Markus Allén; Mikko Valkama (MWSCAS, 2012)

Iterative Signal Processing for Mitigation of Analog-to-Digital Converter Clipping Distortion in Multiband OFDMA Receivers. - Markus Allén; Toni Levanen; Jaakko Marttila; Mikko Valkama (J. Electr. Comput. Eng., 2012)

Digital linearization of direct-conversion spectrum sensing receiver. - Markus Allén; Jaakko Marttila; Mikko Valkama; Semu Makinen; Marko Kosunen; Jussi Ryynänen (GlobalSIP, 2013)

Wideband Quadrature Sigma-Delta A/D Conversion for Cognitive Radio - Reconfigurable Design and Digital Mirror-Frequency Suppression. - Markus Allén; Jaakko Marttila; Mikko Valkama (VTC Fall, 2013)

Frequency-Agile Multiband Quadrature Sigma-Delta Modulator for Cognitive Radio: Analysis, Design and Digital Post-Processing. - Jaakko Marttila; Markus Allén; Mikko Valkama (IEEE J. Sel. Areas Commun., 2013)

Digital post-processing based wideband receiver linearization for enhanced spectrum sensing and access. - Markus Allén; Jaakko Marttila; Mikko Valkama; Michael Grimm; Reiner S. Thomä (CrownCom, 2014)

Digital full-band linearization of wideband direct-conversion receiver for radar and communications applications. - Markus Allén; Jaakko Marttila; Mikko Valkama; Simran Singh; Michael Epp; Wolfgang Schlecker (ACSSC, 2015)

Simultaneous Transmission and Spectrum Sensing in OFDM Systems Using Full-Duplex Radios. - Ville Syrjälä; Mikko Valkama; Markus Allén; Koji Yamamoto 001 (VTC Fall, 2015)

Reference receiver enabled digital cancellation of nonlinear out-of-band blocker distortion in wideband receivers. - Jaakko Marttila; Markus Allén; Marko Kosunen; Kari Stadius; Jussi Ryynänen; Mikko Valkama (GlobalSIP, 2016)

Software-Defined Radio Prototype for Fast-Convolution-Based Filtered OFDM in 5G NR. - Selahattin Gökceli; Toni Levanen; Juha Yli-Kaakinen; Matias Turunen; Markus Allén; Taneli Riihonen; Arto Palin; Markku Renfors; Mikko Valkama (EuCNC, 2019)

Decorrelation-based Piecewise Digital Predistortion: Operating Principle and RF Measurements. - Mahmoud Abdelaziz; Lauri Anttila; Alberto Brihuega; Markus Allén; Mikko Valkama (ISWCS, 2019)

Millimeter-Wave Channel Measurements at 28 GHz in Digital Fabrication Facilities. - Dmitrii Solomitckii; Markus Allén; Davit Yolchyan; Hrayr Hovsepyan; Mikko Valkama; Yevgeni Koucheryavy (ISWCS, 2019)

SDR Prototype for Clipped and Fast-Convolution Filtered OFDM for 5G New Radio Uplink. - Selahattin Gökceli; Pablo Pascual Campo; Toni Levanen; Juha Yli-Kaakinen; Matias Turunen; Markus Allén; Taneli Riihonen; Arto Palin; Markku Renfors; Mikko Valkama (IEEE Access, 2020)

Waveforms and End-to-End Efficiency in RF Wireless Power Transfer Using Digital Radio Transmitter. - Nachiket Ayir; Taneli Riihonen; Markus Allén; Marcelo Fabián Trujillo Fierro (CoRR, 2020)

Gradient-Adaptive Spline-Interpolated LUT Methods for Low-Complexity Digital Predistortion. - Pablo Pascual Campo; Alberto Brihuega; Lauri Anttila; Matias Turunen; Dani Korpi; Markus Allén; Mikko Valkama (IEEE Trans. Circuits Syst. I Regul. Pap., 2021)

Millimeter-Wave Radar Scheme With Passive Reflector for Uncontrolled Blind Urban Intersection. - Dmitrii Solomitckii; Carlos Baquero Barneto; Matias Turunen; Markus Allén; George P. Zhabko; Sergey V. Zavjalov; Sergey V. Volvenko; Mikko Valkama (IEEE Trans. Veh. Technol., 2021)

Delta-Sigma Modulator-Embedded Digital Predistortion for 5G Transmitter Linearization. - Marouan Othmani; Noureddine Boulejfen; Alberto Brihuega; Fadhel M. Ghannouchi; Markus Allén; Mikko Valkama (IEEE Trans. Commun., 2022)

Parallel Delta-Sigma Modulator-Based Digital Predistortion of Wideband RF Power Amplifiers. - Marouan Othmani; Noureddine Boulejfen; Matias Turunen; Markus Allén; Fadhel M. Ghannouchi; Mikko Valkama (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)