Technical Solutions for Automotive Intermodulation Radar for Detecting Vulnerable Road Users. - Ville Viikari; Mikko Kantanen; Timo Varpula; Antti Lamminen; Ari T. Alastalo; Tomi Mattila; Heikki Seppä; Pekka Pursula; Jone Saebboe; Shi Cheng; Mustafa Al-Nuaimi; Paul Hallbjörner; et al. (VTC Spring, 2009)

Road-Condition Recognition Using 24-GHz Automotive Radar. - Ville Viikari; Timo Varpula; Mikko Kantanen (IEEE Trans. Intell. Transp. Syst., 2009)

RFID-based butterfly location sensing system. - Simo Särkkä; Ville Viikari; Kaarle Jaakkola (EUSIPCO, 2014)

Achieving long reading ranges with passive wireless intermodulation sensors. - Pekka Pursula; Nadine Pesonen; Ilkka Marttila; Jinsong Song; Ville Viikari (RFID-TA, 2014)

Review of passive wireless sensors utilizing the intermodulation communication. - Ville Viikari; Jinsong Song; Nadine Pesonen; Pekka Pursula; Heikki Seppä (RFID-TA, 2014)

UHF RFID sensors based on frequency modulation. - Md. Mazidul Islam; Ville Viikari; Joona Nikunen; Marko Reinikainen (IEEE SENSORS, 2016)

5G Antenna Challenges and Opportunities. - Ville Viikari; Rasmus Luomaniemi; Juha Ala-Laurinaho; Joni Kurvinen; Henri Kähkönen; Anu Lehtovuori; Mikko K. Leino (ISWCS, 2019)

Waveguide-Based Phased Array With Integrated Element-Specific Electronics for 28 GHz. - Mikko K. Leino; Resti Montoya Moreno; Juha Ala-Laurinaho; Risto Valkonen; Ville Viikari (IEEE Access, 2019)

Switch-Reconfigurable Metal Rim MIMO Handset Antenna With Distributed Feeding. - Rasmus Luomaniemi; Jari-Matti Hannula; Anu Lehtovuori; Ville Viikari (IEEE Access, 2019)

Capacitively-Loaded Feed Line to Improve mm-Wave and Sub-6 GHz Antenna Co-Existence. - Joni Kurvinen; Resti Montoya Moreno; Anu Lehtovuori; Juha Ala-Laurinaho; Alexander Khripkov; Janne Ilvonen; Jari Van Wonterghem; Ville Viikari (IEEE Access, 2020)

Polarization Conversion-Based Ambient Backscatter System. - Jari Lietzén; Aleksi Liljemark; Ruifeng Duan 001; Riku Jäntti; Ville Viikari (IEEE Access, 2020)

Analyzing Radar Cross Section Signatures of Diverse Drone Models at mmWave Frequencies. - Vasilii Semkin; Jaakko Haarla; Thomas Pairon; Christopher Slezak; Sundeep Rangan; Ville Viikari; Claude Oestges (IEEE Access, 2020)

A Compact Low-Power 140-GHz Low-Noise Amplifier with 19-dB Gain and 7-dB NF. - Kaisa Ryynänen; Kari Stadius; Andreas Hammer 001; Mikko Varonen; Henrik Forsten; Tero Kiuru; Ville Viikari; Jussi Ryynänen (ISCAS, 2021)

A Transmitter IC with Supply Tuning for Frequency-Reconfigurable Antenna Cluster. - Ali Raza Saleem; Kari Stadius; Jari-Matti Hannula; Anu Lehtovuori; Marko Kosunen; Ville Viikari; Jussi Ryynänen (MWSCAS, 2021)

Beam-Reconfigurable Antenna Based on Vector Modulator and Rotman Lens on LTCC. - Sabin Kumar Karki; Mikko Varonen; Mikko Kaunisto; Arto Rantala; Markku Lahti; Antti Lamminen; Jan Holmberg; Mikko Kantanen; Juha Ala-Laurinaho; Ville Viikari (IEEE Access, 2021)

A Modular Dual-Polarized Ka-Band Vivaldi Antenna Array. - Henri Kähkönen; Juha Ala-Laurinaho; Ville Viikari (IEEE Access, 2022)

A Method to Co-Design Antenna Element and Array Patterns. - Riku Kormilainen; Anu Lehtovuori; Juuso Liesiö; Ville Viikari (IEEE Access, 2022)

Drone RCS measurements (26-40 GHz). - Vasilii Semkin; Jaakko Haarla; Thomas Pairon; Christopher Slezak; Sundeep Rangan; Ville Viikari; Claude Oestges (IEEE DataPort, 2022)

Over-the-Air Suppression of Third-Order Intermodulation in a Two-Beam Steered Amplifier-Antenna Array. - Veli-Pekka Kutinlahti; Anu Lehtovuori; Ville Viikari (IEEE Access, 2023)

Wideband Sub-6 GHz MIMO Antenna for Full-Screen Metal Rim Smartphones. - Harri Varheenmaa; Pasi Ylä-Oijala; Anu Lehtovuori; Ville Viikari (IEEE Access, 2023)

Trade-off Between Optimal Efficiency and Envelope Correlation Coefficient for Antenna Clusters. - Vojtech Neuman; Miloslav Capek; Lukás Jelínek; Anu Lehtovuori; Ville Viikari (CoRR, 2023)

Wideband Shared-Aperture Antenna for Full-Screen 5G Mobile Devices. - Harri Varheenmaa; Pasi Ylä-Oijala; Anu Lehtovuori; Ville Viikari (IEEE Access, 2024)

Widening Frequency Envelope of an Antenna-Amplifier System With Coupling Structure. - Jaanus Kalde; Anu Lehtovuori; Alvo Aabloo; Ville Viikari (IEEE Access, 2025)

Analysis and Design of mmWave Passive CMOS Circulators With Unequal Port Impedances. - Saeed Naghavi; Kari Stadius; Anu Lehtovuori; Ville Viikari; Jussi Ryynänen (IEEE Access, 2025)