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)

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)

Quadrature sigma-delta modulators for reconfigurable A/D interface and dynamic spectrum access: analysis, design principles and digital post-processing. - Jaakko Marttila (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)

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)