Research Output per year
Research Output per year
Personal profile
Artistic and research interests
My main research topics are sub-6 GHz and millimeter-wave beam-steerable antennas for mobile devices, mobile networks and radars. Regarding sub-6 GHz antennas, I aim at finding solutions that would provide significantly higher efficiency than the currently used antennas. At millimeter waves, I aim at finding feasible beam-steerable antenna solutions for mobile devices and wide-band antennas whose beam is steerable across a very broad angular range in networks and radars. Besides, I develop wireless sensors powered only with ambient RF energy.
Keywords
- Antennas
- Wireless sensors
- Antenna measurements
- Antenna arrays
- RF-powered devices
- RFID
- Active antennas
- Mobile antennas
- 5G
- Backscattering devices
- RF energy harvesting
- Radar cross section
- Radar
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Research Output
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A 1.5-5-GHz Integrated RF Transmitter Front End for Active Matching of an Antenna Cluster
Saleem, A., Stadius, K., Hannula, J-M., Lehtovuori, A., Kosunen, M., Viikari, V. & Ryynänen, J., Nov 2020, In : IEEE Transactions on Microwave Theory and Techniques. 68, 11, p. 4728-4739 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access -
A 2-5.5 GHz Beamsteering Receiver IC With 4-Element Vivaldi Antenna Array
Zahra, M., Kempi, I., Haarla, J., Antonov, Y., Khonsari, Z., Miilunpalo, T., Ahmed, N., Inkinen, J., Unnikrishnan, V., Lehtovuori, A., Viikari, V., Anttila, L., Valkama, M., Kosunen, M., Stadius, K. & Ryynänen, J., Sep 2020, In : IEEE Transactions on Microwave Theory and Techniques. 68, 9, p. 3852-3860 9 p., 9082186.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Adjusting radiation pattern of small antennas
Lehtovuori, A., Luomaniemi, R. & Viikari, V., Feb 2020, 2020 International Workshop on Antenna Technology, iWAT 2020. IEEE, 9083823Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open AccessFile -
Analyzing Radar Cross Section Signatures of Diverse Drone Models at mmWave Frequencies
Semkin, V., Haarla, J., Pairon, T., Slezak, C., Rangan, S., Viikari, V. & Oestges, C., 1 Jan 2020, In : IEEE Access. 8, p. 48958-48969 12 p., 9032332.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Beam Optimization for 28 GHz Phased Array Utilizing Measurement Data
Leino, M. K., Bergman, J., Ala-Laurinaho, J. & Viikari, V., Mar 2020, 14th European Conference on Antennas and Propagation, EuCAP 2020. IEEE, 5 p. 9135596. (Proceedings of the European Conference on Antennas and Propagation).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open AccessFile
Projects
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RFC Viikari
Viikari, V., Kurvinen, J., Haarla, J., Lehtovuori, A., Kutinlahti, V., Ala-Laurinaho, J., Montoya Moreno, R., Varheenmaa, H., Ylä-Oijala, P. & Luomaniemi, R.
01/01/2019 → 31/08/2021
Project: Business Finland: Other research funding
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Adaptive ambient backscatter Communications for ultra-low power Systems
Holopainen, J., Viikari, V., Kormilainen, R., Chen, Q., Siddiqui, T. & Kuosmanen, M.
01/09/2018 → 31/08/2021
Project: Academy of Finland: Other research funding
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5G TRx - RAD
Luomaniemi, R., Ala-Laurinaho, J., Kurvinen, J., Ylä-Oijala, P., Viikari, V., Icheln, C., Haarla, J., Lehtovuori, A., Rasilainen, K. & Varheenmaa, H.
01/01/2016 → 30/09/2019
Project: Business Finland: Other research funding
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5WAVE - RAD
Ala-Laurinaho, J., Karki, S., Viikari, V., Semkin, V., Kähkönen, H. & Islam, M.
01/01/2016 → 30/08/2019
Project: Business Finland: Other research funding
Prizes
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AMTA 2005 Student paper Award Antenna Measurement Techniques Association (AMTA), USA
Viikari, Ville (Recipient), 2005
Prize: Award or honor granted for a specific work
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FIMECC Prize 2013 for the project: “Zero Power Sensor Network (2010-2013)”
Viikari, Ville (Recipient), 2013
Prize: Award or honor granted for a specific work
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IEEE Sensors Council 2010 Early Career GOLD Award
Viikari, Ville (Recipient), 2010
Prize: Award or honor granted for academic career
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The best presentation at the conference by young scientist
Viikari, Ville (Recipient), 2008
Prize: Award or honor granted for a specific work
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Young Researcher Award of the Year 2014, presented by the Finnish Foundation for Technology Promotion
Viikari, Ville (Recipient), 2014
Prize: Award or honor granted for academic career
Activities
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Committee member of a PhD defense
Ville Viikari (Examiner)
9 Mar 2020Activity: Examination types › Pre-examination of dissertation or acting as opponent to doctoral students
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PhD examination of Konstantinos Zannas
Ville Viikari (Examiner)
8 Oct 2019Activity: Examination types › Pre-examination of dissertation or acting as opponent to doctoral students
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Invited talk: "Beam-steerable mm-wave antennas for mobile base stations"
Ville Viikari (Speaker)
11 Jun 2019Activity: Talk or presentation types › Public or invited talk
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Millimeter-wave Antennas for Mobile Devices and Networks
Ville Viikari (Speaker)
23 May 2019Activity: Talk or presentation types › Public or invited talk
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Keynote presentation: "Mobile Antenna Challenges and Opportunities"
Ville Viikari (Speaker)
18 Oct 2019Activity: Talk or presentation types › Public or invited talk
Press / Media
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Millimeter-wave antennas for 5G handsets and base stations
Anu Lehtovuori, Juha Ala-Laurinaho, Mikko Leino, Ville Viikari & Joni Kurvinen
25/09/2020
1 item of Media coverage
Press/Media: Media appearance
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New research improves drone detection
Vasilii Semkin & Ville Viikari
19/03/2020 → 24/03/2020
3 items of Media coverage
Press/Media: Media appearance
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Database improves drone detection
Vasilii Semkin & Ville Viikari
24/03/2020
1 item of Media coverage
Press/Media: Media appearance
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New Research Aims to Improve Drone Detection
Vasilii Semkin & Ville Viikari
21/03/2020
1 item of Media coverage
Press/Media: Media appearance
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Researchers collect, publish drone radar signatures to identify security threats
Vasilii Semkin & Ville Viikari
20/03/2020
1 item of Media coverage
Press/Media: Media appearance