Low-loss tuning circuits for frequency-tunable small resonant antennas. - Jani Ollikainen; Outi Kivekäs; Pertti Vainikainen (PIMRC, 2002)

Evaluation of the Performance of Multiantenna Terminals Using a New Approach. - Pasi Suvikunnas; Juha Villanen; Kati Sulonen; Clemens Icheln; Jani Ollikainen; Pertti Vainikainen (IEEE Trans. Instrum. Meas., 2006)

Performance Analysis and Design Aspects of Mobile-Terminal Multiantenna Configurations. - Juha Villanen; Pasi Suvikunnas; Clemens Icheln; Jani Ollikainen; Pertti Vainikainen (IEEE Trans. Veh. Technol., 2008)

Multi-mode, multi-band spectrum sensor for cognitive radios embedded to a mobile phone. - Sami Kallioinen; Mikko Vääräkangas; Ping Hui; Jani Ollikainen; Ilari Teikari; Aarno Pärssinen; Vesa Turunen; Marko Kosunen; Jussi Ryynänen (CrownCom, 2011)