Ville Viikari
Associate Professor, Radio Science and Engineering at Aalto University School of Business

Biography
Aalto University School of Business
BACKGROUND
- D.Sc. (Tech.), Helsinki University of Technology 2007
- Docent, Helsinki University of Technology, 2009
- VTT Technical Research Centre of Finland
- -Research Scientist 2007 - 2010
- -Senior Research Scientist 2010 - 2012
- Aalto University School of Electrical Engineering 2012-
Peer-reviewed scientific articles
Journal article-refereed, Original researchFrequency Reconfigurable Multiband Handset Antenna Based on a Multichannel Transceiver
Hannula, Jari Matti; Saarinen, Tapio; Holopainen, Jari; Viikari, Ville2017 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926XDesigning a passive retrodirective wireless sensor
Islam, Md Mazidul; Rasilainen, Kimmo; Karki, Sabin Kumar; Viikari, Ville2017 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225Designing Harmonic Transponders Using Lumped-Component Matching Circuits
Rasilainen, Kimmo; Ilvonen, Janne; Hannula, Jari Matti; Viikari, Ville2017 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225Carrier Aggregation Compatible MIMO Antenna for LTE Handset
Rasilainen, Kimmo; Lehtovuori, Anu; Boussada, Amine; Viikari, Ville2017 in PROGRESS IN ELECTROMAGNETICS RESEARCH C (EMW Publishing)ISSN: 1937-8718Concept for Frequency Reconfigurable Antenna Based on Distributed Transceivers
Hannula, Jari-Matti; Holopainen, Jari; Viikari, Ville2016 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225Optimization of RFID Sensor with Frequency Modulation
Islam, Md. Mazidul; Song, Jinsong; Rasilainen, Kimmo; Viikari, Ville2016 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437XCharacterization of Transponder Antennas Using Intermodulation Response
Hannula, Jari-Matti; Rasilainen, Kimmo; Viikari, Ville2015 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926XImplementation of Sensor RFID: Carrying Sensor Information in the Modulation Frequency
Islam, Mazidul; Rasilainen, Kimmo; Viikari, Ville2015 in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-9480Harmonic Transponders: Performance and Challenges
Rasilainen, Kimmo; Ilvonen, Janne; Lehtovuori, Anu; Hannula, Jari-Matti; Viikari, Ville2015 in PROGRESS IN ELECTROMAGNETICS RESEARCH M (EMW Publishing)Antenna Matching at Harmonic Frequencies to Complex Load Impedance
Rasilainen, Kimmo; Ilvonen, Janne; Viikari, Ville2015 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225On Design and Evaluation of Harmonic Transponders
Rasilainen, Kimmo; Ilvonen, Janne; Lehtovuori, Anu; Hannula, Jari-Matti; Viikari, Ville2015 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926XMaximum-Likelihood Estimation for Passive Wireless Intermodulation Communication Sensors
Song, Jinsong; Salmi, Jussi; Viikari, Ville V.; Pesonen, Nadine M. P.2015 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437XEight-element antenna array for diversity and mimo mobile terminal in LTE 3500 MHz band
Abdullah Al-Hadi, Azremi; Ilvonen, Janne; Valkonen, Risto; Viikari, Ville2014 in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (John Wiley and Sons Inc.)ISSN: 0895-2477Antenna pattern retrieval from reflection coefficient measurements with reflective loads
Du, Zhou; Viikari, Ville; Ala-Laurinaho, Juha; Tamminen, Aleksi; Räisänen, Antti2014 in PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER (E M W PUBLISHING)ISSN: 1070-4698Design Strategy for 4G Handset Antennas and a Multiband Hybrid Antenna
Ilvonen, Janne; Valkonen, Risto; Holopainen, Jari; Viikari, Ville2014 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926XMultiband Frequency Reconfigurable 4G Handset Antenna with MIMO Capability
Ilvonen, Janne; Valkonen, Risto; Holopainen, Jari; Viikari, Ville2014 in PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER (E M W PUBLISHING)ISSN: 1070-4698Realizing Frequency Division Multiple Access with Passive Wireless Intermodulation Communication Sensors
Song, Jinsong; Pesonen, Nadine; Viikari, Ville; Seppä, Heikki2014 in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (John Wiley and Sons Inc.)ISSN: 0895-2477Design and Measurement-Based Evaluation of Multi-Antenna Mobile Terminals for LTE 3500 MHz Band
Bin Abdullah Al-Hadi, Azremi; Jamaly, Nima; Haneda, Katsuyuki; Icheln, Clemens; Viikari, Ville2013 in PROGRESS IN ELECTROMAGNETIC RESEARCH B (Electromagnetics Academy)Extension to Characterization Model for GPS Antenna Performance in Mobile Terminals
Ilvonen, Janne; Rasilainen, Kimmo; Valkonen, Risto; Holopainen, Jari; Krogerus, Joonas; Viikari, Ville2013 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225Wake-up radio architecture utilizing passive down conversion mixing
Pursula, Pekka; Viikari, Ville; Saari, Juha-Matti2013 in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (John Wiley and Sons Inc.)ISSN: 0895-2477Optimization of wireless sensors based on intermodulation communication
Song, J.; Viikari, Ville; Pesonen, N.; Marttila, I.; Seppä, H.2013 in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-9480Passive wireless sensor platform utilizing a mechanical resonator
Viikari, Ville; Song, Jinsong; Seppä, Heikki2013 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437XPhase-Based UHF RFID Tracking with Non-Linear Kalman Filtering and Smoothing
Särkkä, Simo; Viikari, Ville; Huusko, Miika; Jaakkola, Kaarle2012 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437XAntenna tests with a hologram-based CATR at 650 GHz
Karttunen, Aki; Ala-Laurinaho, Juha; Vaaja, Matti; Koskinen, Tomi; Häkli, Janne; Lönnqvist, Anne; Mallat, Juha; Tamminen, Aleksi; Viikari, Ville; Räisänen, Antti V.2009 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926XEstimator for reflective delay line-type SAW sensors
Viikari, Ville; Kokkonen, Kimmo; Meltaus, Johanna; Seppä, Heikki2009 in IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Optimized signal processing for FMCW interrogated reflective delay line-type SAW sensors
Viikari, Ville; Kokkonen, Kimmo; Meltaus, Johanna2008 in IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Antenna pattern correction technique based on an adaptive array algorithm
Viikari, Ville; Kolmonen, Veli-Matti; Salo, Jari; Räisänen, Antti V.2007 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Antenna pattern correction technique based on signal-to-interference ratio optimization
Viikari, Ville; Räisänen, Antti V.2007 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)A frequency shift technique for pattern correction in hologram-based CATRs
Viikari, Ville; Mallat, Juha; Ala-Laurinaho, Juha; Häkli, Janne; Räisänen, Antti V.2006 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Testing of a 1.5 m reflector antenna at 322 GHz in a CATR based on a hologram
Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Säily, Jussi; Mallat, Juha; Ala-Laurinaho, Juha; Viikari, Ville; Räisänen, Antti V.; Tuovinen, Jussi2005 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Sub-mm antenna tests in a hologram based CATR
Häkli, Janne; Ala-Laurinaho, Juha; Koskinen, Tomi; Lemanczyk, Jerzy; Lönnqvist, Anne; Mallat, Juha; Räisänen, Antti V.; Säily, Jussi; Tuovinen, Jussi; Viikari, Ville2005 in IEEE ANTENNAS AND PROPAGATION MAGAZINE (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Hologram-based compact range for submillimeter-wave antenna testing
Lönnqvist, Anne; Koskinen, Tomi; Häkli, Janne; Säily, Jussi; Ala-Laurinaho, Juha; Mallat, Juha; Viikari, Ville; Tuovinen, Jussi; Räisänen, Antti V.2005 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)A feed scanning based APC technique for compact antenna test ranges
Viikari, Ville; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.2005 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Millimeter wave beam shaping using holograms
Meltaus, Johanna; Salo, Janne; Noponen, Eero; Salomaa, Martti M.; Viikari, Ville; Lönnqvist, Anne; Koskinen, Tomi; Säily, Jussi; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.2003 in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Holograms for shaping radio-wave fields
Salo, Janne; Meltaus, Johanna; Noponen, Eero; Salomaa, Martti M.; Lönnqvist, Anne; Koskinen, Tomi; Viikari, Ville; Säily, Jussi; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.2002 in JOURNAL OF OPTICS A: PURE AND APPLIED OPTICS (IOP Publishing Ltd.)
Frequency Reconfigurable Multiband Handset Antenna Based on a Multichannel Transceiver
Hannula, Jari Matti; Saarinen, Tapio; Holopainen, Jari; Viikari, Ville
2017 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926X
Designing a passive retrodirective wireless sensor
Islam, Md Mazidul; Rasilainen, Kimmo; Karki, Sabin Kumar; Viikari, Ville
2017 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225
Designing Harmonic Transponders Using Lumped-Component Matching Circuits
Rasilainen, Kimmo; Ilvonen, Janne; Hannula, Jari Matti; Viikari, Ville
2017 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225
Carrier Aggregation Compatible MIMO Antenna for LTE Handset
Rasilainen, Kimmo; Lehtovuori, Anu; Boussada, Amine; Viikari, Ville
2017 in PROGRESS IN ELECTROMAGNETICS RESEARCH C (EMW Publishing)ISSN: 1937-8718
Concept for Frequency Reconfigurable Antenna Based on Distributed Transceivers
Hannula, Jari-Matti; Holopainen, Jari; Viikari, Ville
2016 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225
Optimization of RFID Sensor with Frequency Modulation
Islam, Md. Mazidul; Song, Jinsong; Rasilainen, Kimmo; Viikari, Ville
2016 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437X
Characterization of Transponder Antennas Using Intermodulation Response
Hannula, Jari-Matti; Rasilainen, Kimmo; Viikari, Ville
2015 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926X
Implementation of Sensor RFID: Carrying Sensor Information in the Modulation Frequency
Islam, Mazidul; Rasilainen, Kimmo; Viikari, Ville
2015 in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-9480
Harmonic Transponders: Performance and Challenges
Rasilainen, Kimmo; Ilvonen, Janne; Lehtovuori, Anu; Hannula, Jari-Matti; Viikari, Ville
2015 in PROGRESS IN ELECTROMAGNETICS RESEARCH M (EMW Publishing)Antenna Matching at Harmonic Frequencies to Complex Load Impedance
Rasilainen, Kimmo; Ilvonen, Janne; Viikari, Ville
2015 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225
On Design and Evaluation of Harmonic Transponders
Rasilainen, Kimmo; Ilvonen, Janne; Lehtovuori, Anu; Hannula, Jari-Matti; Viikari, Ville
2015 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926X
Maximum-Likelihood Estimation for Passive Wireless Intermodulation Communication Sensors
Song, Jinsong; Salmi, Jussi; Viikari, Ville V.; Pesonen, Nadine M. P.
2015 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437X
Eight-element antenna array for diversity and mimo mobile terminal in LTE 3500 MHz band
Abdullah Al-Hadi, Azremi; Ilvonen, Janne; Valkonen, Risto; Viikari, Ville
2014 in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (John Wiley and Sons Inc.)ISSN: 0895-2477
Antenna pattern retrieval from reflection coefficient measurements with reflective loads
Du, Zhou; Viikari, Ville; Ala-Laurinaho, Juha; Tamminen, Aleksi; Räisänen, Antti
2014 in PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER (E M W PUBLISHING)ISSN: 1070-4698
Design Strategy for 4G Handset Antennas and a Multiband Hybrid Antenna
Ilvonen, Janne; Valkonen, Risto; Holopainen, Jari; Viikari, Ville
2014 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926X
Multiband Frequency Reconfigurable 4G Handset Antenna with MIMO Capability
Ilvonen, Janne; Valkonen, Risto; Holopainen, Jari; Viikari, Ville
2014 in PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER (E M W PUBLISHING)ISSN: 1070-4698
Realizing Frequency Division Multiple Access with Passive Wireless Intermodulation Communication Sensors
Song, Jinsong; Pesonen, Nadine; Viikari, Ville; Seppä, Heikki
2014 in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (John Wiley and Sons Inc.)ISSN: 0895-2477
Design and Measurement-Based Evaluation of Multi-Antenna Mobile Terminals for LTE 3500 MHz Band
Bin Abdullah Al-Hadi, Azremi; Jamaly, Nima; Haneda, Katsuyuki; Icheln, Clemens; Viikari, Ville
2013 in PROGRESS IN ELECTROMAGNETIC RESEARCH B (Electromagnetics Academy)Extension to Characterization Model for GPS Antenna Performance in Mobile Terminals
Ilvonen, Janne; Rasilainen, Kimmo; Valkonen, Risto; Holopainen, Jari; Krogerus, Joonas; Viikari, Ville
2013 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)ISSN: 1536-1225
Wake-up radio architecture utilizing passive down conversion mixing
Pursula, Pekka; Viikari, Ville; Saari, Juha-Matti
2013 in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS (John Wiley and Sons Inc.)ISSN: 0895-2477
Optimization of wireless sensors based on intermodulation communication
Song, J.; Viikari, Ville; Pesonen, N.; Marttila, I.; Seppä, H.
2013 in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-9480
Passive wireless sensor platform utilizing a mechanical resonator
Viikari, Ville; Song, Jinsong; Seppä, Heikki
2013 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437X
Phase-Based UHF RFID Tracking with Non-Linear Kalman Filtering and Smoothing
Särkkä, Simo; Viikari, Ville; Huusko, Miika; Jaakkola, Kaarle
2012 in IEEE SENSORS JOURNAL (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1530-437X
Antenna tests with a hologram-based CATR at 650 GHz
Karttunen, Aki; Ala-Laurinaho, Juha; Vaaja, Matti; Koskinen, Tomi; Häkli, Janne; Lönnqvist, Anne; Mallat, Juha; Tamminen, Aleksi; Viikari, Ville; Räisänen, Antti V.
2009 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 0018-926X
Estimator for reflective delay line-type SAW sensors
Viikari, Ville; Kokkonen, Kimmo; Meltaus, Johanna; Seppä, Heikki
2009 in IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Optimized signal processing for FMCW interrogated reflective delay line-type SAW sensors
Viikari, Ville; Kokkonen, Kimmo; Meltaus, Johanna
2008 in IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Antenna pattern correction technique based on an adaptive array algorithm
Viikari, Ville; Kolmonen, Veli-Matti; Salo, Jari; Räisänen, Antti V.
2007 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Antenna pattern correction technique based on signal-to-interference ratio optimization
Viikari, Ville; Räisänen, Antti V.
2007 in IEEE Antennas and Wireless Propagation Letters (Institute of Electrical and Electronics Engineers Inc.)A frequency shift technique for pattern correction in hologram-based CATRs
Viikari, Ville; Mallat, Juha; Ala-Laurinaho, Juha; Häkli, Janne; Räisänen, Antti V.
2006 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Testing of a 1.5 m reflector antenna at 322 GHz in a CATR based on a hologram
Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Säily, Jussi; Mallat, Juha; Ala-Laurinaho, Juha; Viikari, Ville; Räisänen, Antti V.; Tuovinen, Jussi
2005 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Sub-mm antenna tests in a hologram based CATR
Häkli, Janne; Ala-Laurinaho, Juha; Koskinen, Tomi; Lemanczyk, Jerzy; Lönnqvist, Anne; Mallat, Juha; Räisänen, Antti V.; Säily, Jussi; Tuovinen, Jussi; Viikari, Ville
2005 in IEEE ANTENNAS AND PROPAGATION MAGAZINE (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Hologram-based compact range for submillimeter-wave antenna testing
Lönnqvist, Anne; Koskinen, Tomi; Häkli, Janne; Säily, Jussi; Ala-Laurinaho, Juha; Mallat, Juha; Viikari, Ville; Tuovinen, Jussi; Räisänen, Antti V.
2005 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)A feed scanning based APC technique for compact antenna test ranges
Viikari, Ville; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.
2005 in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Millimeter wave beam shaping using holograms
Meltaus, Johanna; Salo, Janne; Noponen, Eero; Salomaa, Martti M.; Viikari, Ville; Lönnqvist, Anne; Koskinen, Tomi; Säily, Jussi; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.
2003 in IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)Holograms for shaping radio-wave fields
Salo, Janne; Meltaus, Johanna; Noponen, Eero; Salomaa, Martti M.; Lönnqvist, Anne; Koskinen, Tomi; Viikari, Ville; Säily, Jussi; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.
2002 in JOURNAL OF OPTICS A: PURE AND APPLIED OPTICS (IOP Publishing Ltd.)Review article, Literature review, Systematic reviewRFID-Based Book Finder [Education Corner]
Toivanen, Lasse; Heino, Mikko; Oksman, Aapo; Vienamo, Aapo; Holopainen, Jari; Viikari, Ville2016 in IEEE ANTENNAS AND PROPAGATION MAGAZINE (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1045-9243Transponder Designs for Harmonic Radar Applications
Rasilainen, Kimmo; Viikari, Ville V.2015 in INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION (Hindawi Publishing Corporation)ISSN: 1687-5869
RFID-Based Book Finder [Education Corner]
Toivanen, Lasse; Heino, Mikko; Oksman, Aapo; Vienamo, Aapo; Holopainen, Jari; Viikari, Ville
2016 in IEEE ANTENNAS AND PROPAGATION MAGAZINE (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC)ISSN: 1045-9243
Transponder Designs for Harmonic Radar Applications
Rasilainen, Kimmo; Viikari, Ville V.
2015 in INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION (Hindawi Publishing Corporation)ISSN: 1687-5869
Book section, Chapters in research booksAntenna Measurements at Millimeter and Submillimeter Wavelengths
Räisänen, Antti V.; Ala-Laurinaho, Juha; Crowe, Thomas; Pivnenko, Sergiy; Castañer, Manuel Sierra; Viikari, Ville2018 in Signals and Communication Technology (SPRINGER)ISBN: 978-3-319-62773-1ISSN: 1860-4862
Antenna Measurements at Millimeter and Submillimeter Wavelengths
Räisänen, Antti V.; Ala-Laurinaho, Juha; Crowe, Thomas; Pivnenko, Sergiy; Castañer, Manuel Sierra; Viikari, Ville
2018 in Signals and Communication Technology (SPRINGER)ISBN: 978-3-319-62773-1
ISSN: 1860-4862
Conference proceedingsMillimeter wave antenna array based on dielectric-filled waveguides
Ala-Laurinaho, J.; Semkin, V.; Kähkönen, H.; Viikari, V.; Räisänen, A. V.2017 ISBN: 9781538640036Further investigations on the behavior of a frequency reconfigurable antenna cluster
Hannula, Jari Matti; Holopainen, Jari; Viikari, Ville2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870ISSN: 2164-3342Antenna tuning without physical matching elements (invited)
Hannula, Jari-Matti; Viikari, Ville; Saarinen, Tapio; Lehtovuori, Anu; Holopainen, Jari2017 ISBN: 978-1-5386-1607-9/17A study of 5G antennas in a mobile terminal
Holopainen, Jari; Hannula, Jari Matti; Viikari, Ville2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870ISSN: 2164-3342RF-Powered Multi-Sensing Platform for RFID with Frequency Modulation
Islam, Mazidul; Song, Jinsong; Viikari, Ville; Nikunen, Joona2017 in European Microwave Conference (European Microwave Association)ISBN: 978-2-87487-043-9ISSN: 2325-0305Dielectric-filled waveguide antenna array for millimeter-wave communications
Kähkönen, Henri; Semkin, Vasilii; Ala-Laurinaho, Juha; Viikari, Ville2017 ISBN: 9788890701870ISSN: 2164-3342Single-element handset antenna design for modern smartphones An industrial approach
Lehtovuori, Anu; Ilvonen, Janne; Rasilainen, Kimmo; Viikari, Ville2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870ISSN: 2164-3342LTE handset antenna with closely-located radiators, low-band MIMO, and high efficiency
Rasilainen, Kimmo; Lehtovuori, Anu; Viikari, Ville2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870ISSN: 2164-3342Uncertainty analysis of intermodulation-based antenna measurements
Hannula, Jari Matti; Viikari, Ville2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863ISSN: 2164-3342Suitable multiantenna placement in mobile handsets based on electromagnetic isolation
Ilvonen, Janne; Holopainen, Jari; Rasilainen, Kimmo; Lehtovuori, Anu; Viikari, Ville2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863ISSN: 2164-3342UHF RFID Sensors Based on Frequency Modulation
Islam, Md. Mazidul; Viikari, Ville; Nikunen, Joona; Reinikainen, Marko2016 in Proceedings of IEEE Sensors (IEEE)ISBN: 978-1-4799-8287-5ISSN: 1930-0395Mitigation of multiple reflections in antenna pattern retrieval method
Khairkar, Gaurav; Ala-Laurinaho, Juha; Viikari, Ville; Semkin, Vasilii; Räisänen, Antti2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863ISSN: 2164-3342Applying bandwidth estimators to tablet antenna design
Lehtovuori, Anu; Valkonen, Risto; Viikari, Ville2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863ISSN: 2164-3342Wideband monopole antenna for RF power scavenger
Leino, M. K.; Partanen, H.; Lindvall, N.; Luomaniemi, R.; Kangas, T.; Tzarouchis, D.; Holopainen, Jari; Viikari, V.2016 in Digest of the IEEE Antennas and Propagation Society International Symposium (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781509028863ISSN: 1522-3965Realization of RFID tag antenna with 3D printing technology
Naushahi, Shayan Hasan; Rasilainen, Kimmo; Viikari, Ville2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863ISSN: 2164-3342Effect of shape and surroundings on harmonic transponder performance
Rasilainen, Kimmo; Viikari, Ville2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863ISSN: 2164-3342Reflection coefficient method for antenna radiation pattern measurements
Ala-Laurinaho, Juha; Du, Zhou; Semkin, Vasilii; Viikari, Ville; Räisänen, Antti V.2015 ISBN: 978-2-87487-041-5Tunable MIMO Antenna for Small Handsets
Rasilainen, Kimmo; Lehtovuori, Anu; Ilvonen, Janne; Holopainen, Jari; Valkonen, Risto; Viikari, Ville2015 ISBN: 978-88-907018-5-6Dual-resonant PIFA for Body Area Networks
Salo, Sampo; Khairkar, Gaurav; Holopainen, Jari; Viikari, Ville2015 ISBN: 978-1-4799-7815-1Reflection coefficient method for characterizing antennas on probe stations
Viikari, Ville; Du, Zhou; Semkin, Vasilii; Ala-Laurinaho, Juha; Räisänen, Antti V.2015 ISBN: 978-88-907018-5-6Radiation pattern retrieval from impedance measurement with a reflective object in the antenna near field
Ala-Laurinaho, Juha; Du, Zhou; Viikari, Ville; Räisänen, Antti V.2014 2D Antenna Radiation Pattern Retrieval Using Reflection Coefficient Measurement
Du, Zhou; Viikari, Ville; Ala-Laurinaho, Juha; Räisänen, Antti V.2014 ISBN: 978-4-902339-32-1Double loop matching technique for robust UHF RFID tag antennas
Heino, Mikko; Toivanen, Jalmari; Holopainen, Jari; Viikari, Ville2014 Achieving Long Reading Ranges with Passive Wireless Intermodulation Sensors
Pursula, Pekka; Pesonen, Nadine; Song, Jinsong; Viikari, Ville; Marttila, Ilkka2014 Investigation on Bendable Mobile Devices in the Presence of the User
Rasilainen, Kimmo; Ilvonen, Janne; Viikari, Ville2014 Long Range Passive Wireless MEMS-based Inclination or Acceleration Sensor Utilizing the Intermodulation Communication Principle
Song, Jinsong; Pesonen, Nadine; Viikari, Ville2014 ISBN: 978-1-4799-3403-4Integrated Passive Wireless Sensor Transponders based on the Intermodulation Communication Principle
Song, Jinsong; Pesonen, Nadine; Pursula, Pekka; Viikari, Ville2014 RFID-based butterfly location sensing system
Särkkä, Simo; Viikari, Ville; Jaakkola, Kaarle2014 in European Signal Processing Conference (European Signal Processing Conference, EUSIPCO)ISBN: 9780992862619ISSN: 2076-1465Review of Passive Wireless Sensors Utilizing the Intermodulation Communication
Viikari, Ville; Song, Jinsong; Pesonen, Nadine; Pursula, Pekka; Seppä, Heikki2014 On the use of the intermodulation communication towards zero power sensor nodes
Song, J.; Pesonen, N.; Seppä, H.; Viikari, Ville2013 in European Microwave Conference (European Signal Processing Conference, EUSIPCO)ISBN: 978-2-87487-031-6ISSN: 2325-0305Tests of a 1.5-m reflector antenna in a 650 GHz hologram CATR
Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; tamminen, Aleksi; Vaaja, Matti; Viikari, Ville; Räisänen, Antti V.; Lemanczyk, Jerzy2007 Antenna tests at 650 GHz in a CATR based on a hologram
Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Ala-Laurinaho, Juha; Viikari, Ville; Karttunen, Aki; Vaaja, Matti; Mallat, Juha; Tamminen, Aleksi; Noponen, Eero; Räisänen, Antti V.2007 Differential phase measurement method for determining scanner planarity at submillimeter wavelengths
Koskinen, Tomi; Mallat, Juha; Ala-Laurinaho, Juha; Vaaja, Matti; Karttunen, Aki; Viikari, Ville; Räisänen, Antti V.2007 How to test a high-gain antenna at THz frequencies?
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Tamminen, Aleksi; Vaaja, Matti; Viikari, Ville2007 Measurement of a high-gain antenna at 650 GHz in a hologram-based CATR
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Tamminen, Aleksi; Vaaja, Matti; Viikari, Ville2007 Compact antenna test range based on a computer-generated hologram and its use at submillimeter wavelengths
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Tamminen, Aleksi; Vaaja, Matti; Viikari, Ville2007 Hologram-based CATR measurement of a 1.5 m antenna at 650 GHz: progress report
Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Noponen, Eero; Mallat, Juha; Vaaja, Matti; Viikari, Ville; Räisänen, Antti V.; Lemanczyk, Jerzy2006 Development of a hologram-based CATR for testing a very high gain antenna at 650GHz
Ala-Laurinaho, Juha; Koskinen, Tomi; Häkli, Janne; Karttunen, Aki; Lönnqvist, Anne; Noponen, Eero; Mallat, Juha; Vaaja, Matti; Viikari, Ville; Räisänen, Antti V.; Heinonen, Jukka; Hautala, Pekka; Lemanczyk, Jerzy2006 ISBN: 92-9092-9375ISSN: 1609-042XDevelopment of a 650 GHz hologram based CATR for testing a 1,5m reflector antenna
Häkli, Janne; Koskinen, Tomi; Ala-Laurinaho, Juha; Karttunen, Aki; Vaaja, Matti; Viikari, Ville; Lönnqvist, Anne; Heinonen, J.; Mallat, Juha; Noponen, Eero; Hautala, P.; Räisänen, Antti V.2006 Reduction of cross-polarization in sub-millimetre-wave hologram-based CATR by using a polarization grid
Koskinen, Tomi; Häkli, Janne; Ala-Laurinaho, Juha; Lönnqvist, Anne; Mallat, Juha; Viikari, Ville; Räisänen, Antti V.2006 Synthesis of reflection-type phase hologram for compact antenna test range at 310 GHz
Noponen, Eero; Häkli, Janne; Lönnqvist, Anne; Viikari, Ville; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.2006 Measurement of high-gain antennas at mm- and submm-wavelenghts: challenges and solutions
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Vaaja, Matti; Viikari, Ville2006 Adaptive array based antenna pattern correction technique
Viikari, Ville; Kolmonen, Veli-Matti; Salo, Jari; Räisänen, Antti V.2006 New pattern correction techniques for submm-wave CATRs
Viikari, Ville; Mallat, Juha; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Noponen, Eero; Vaaja, Matti; Räisänen, Antti V.2006 Millimetre wave antenna research at Helsinki University of Technology
Ala-Laurinaho, Juha; Mallat, Juha; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Viikari, Ville; Möttönen, Ville; Dudorov, Sergey; Lioubtchenko, Dmitri; Lehto, Arto; Räisänen, Antti V.2005 Dielectric-loaded flat reflector test antenna for submillimetre wavelengths
Ala-Laurinaho, Juha; Mallat, Juha; Viikari, Ville; Räisänen, Antti V.2005 Mm- and sub-mm wave hologram based compact antenna test ranges used for electrical antenna testing
Häkli, Janne; Ala-Laurinaho, Juha; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Viikari, Ville; Säily, Jussi; Räisänen, Antti V.; Tuovinen, Jussi; Lemanczyk, Jerzy2005 A reflection-type amplitude hologram as a collimating element in the compact antenna test range
Koskinen, Tomi; Viikari, Ville; Häkli, Janne; Lönnqvist, Anne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.2005 Study on the dual polarized operation of the hologram based compact antenna test range
Koskinen, Tomi; Häkli, Janne; Ala-Laurinaho, Juha; Lönnqvist, Anne; Viikari, Ville; Mallat, Juha; Räisänen, Antti V.2005 Hologram based compact ranges for antenna and RCS testing at submm-waves
Lönnqvist, Anne; Ala-Laurinaho, Juha; Häkli, Janne; Mallat, Juha; Viikari, Ville; Räisänen, Antti V.2005 Antenna pattern correction in a hologram CATR based on averaging in frequency domain
Viikari, Ville; Mallat, Juha; Ala-Laurinaho, Juha; Häkli, Janne; Räisänen, Antti V.2005 A feasibility study of phase retrieval algorithms at sub-millimeter wavelengths
von Lerber, Annakaisa; Viikari, Ville; Lisena, Angelo; Ala-Laurinaho, Juha; Räisänen, Antti V.2005 Satellite antenna measurement at 322GHz
Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Räisänen, Antti V.; Ranvier, Sylvain; Säily, Jussi; Tuovinen, Jussi; Viikari, Ville2004 Sub-mm antenna tests in a hologram based CATR
Häkli, Janne; Ala-Laurinaho, Juha; Koskinen, Tomi; Lemanczyk, Jerzy; Lönnqvist, Anne; Mallat, Juha; Räisänen, Antti V.; Säily, Jussi; Tuovinen, Jussi; Viikari, Ville2004 Dielectric-loaded flat reflector test antenna for submillimetre wave antenna measurements
Mallat, Juha; Ala-Laurinaho, Juha; Viikari, Ville; Räisänen, Antti V.2004 Computer-generated hologram and its use for submm-wave antenna antenna measurement
Räisänen, Antti V.; Ala-Laurinaho, Juha; Koskinen, tomi; Lönnqvist, Anne; Säily, Jussi; Häkli, Janne; Mallat, Juha; Viikari, Ville; Ranvier, Sylvain; Tuovinen, Jussi2004 A feed scanning based APC-technique for improving the measurement accuracy in a sub-mm CATR
Viikari, Ville; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti2004 Tests of the ADMIRALS antenna in a hologram compact antenna test range
Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Ranvier, Sylvain; Räisänen, Antti V.; Tuovinen, Jussi; Viikari, Ville2003 Phase hologram for plane wave generation at 310 GHz
Noponen, Eero; Viikari, Ville; Lönnqvist, Anne; Säily, Jussi; Häkli, Janne; Koskinen, Tomi; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.; Salo, Janne; Meltaus, Johanna; Salomaa, Martti M.2003 Phase-type diffractive element for planar millimeter-wave generation at 310 GHz
Noponen, Eero; Lönnqvist, Anne; Säily, Jussi; Häkli, Janne; Koskinen, Tomi; Viikari, Ville; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.; Salo, Janne; Meltaus, Johanna; Salomaa, Martti M.2003 Manufacturing of large-sized holograms for a submm-wave CATR
Lönnqvist, Anne; Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Viikari, Ville; Säily, Jussi; Mallat, Juha; Tuovinen, Jussi; Räisänen, Antti V.2002 A phase hologram RCS range for scale model measurements
Mallat, Juha; Ala-Laurinaho, Juha; Noponen, Eero; Viikari, Ville; Lönnqvist, Anne; Koskinen, Tomi; Säily, Jussi; Häkli, Janne; Meltaus, Johanna; Räisänen, Antti V.2002 Effects of hologram joints to the quiet-zone field in a CATR
Lönnqvist, Anne; Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Viikari, Ville; Säily, Jussi; Tuovinen, Jussi; Räisänen, Antti V.2001 Computer generated holograms for mm- and submm-wave applications: CATR, Bessel beams and radiowave vortices
Räisänen, Antti V.; Ala-Laurinaho, Juha; Säily, Jussi; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Viikari, Ville; Mallat, Juha; Noponen, Eero; Salo, Janne; Meltaus, Johanna; Weber, M.; Salomaa, M.M.2001
Millimeter wave antenna array based on dielectric-filled waveguides
Ala-Laurinaho, J.; Semkin, V.; Kähkönen, H.; Viikari, V.; Räisänen, A. V.
2017 ISBN: 9781538640036
Further investigations on the behavior of a frequency reconfigurable antenna cluster
Hannula, Jari Matti; Holopainen, Jari; Viikari, Ville
2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870
ISSN: 2164-3342
Antenna tuning without physical matching elements (invited)
Hannula, Jari-Matti; Viikari, Ville; Saarinen, Tapio; Lehtovuori, Anu; Holopainen, Jari
2017 ISBN: 978-1-5386-1607-9/17
A study of 5G antennas in a mobile terminal
Holopainen, Jari; Hannula, Jari Matti; Viikari, Ville
2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870
ISSN: 2164-3342
RF-Powered Multi-Sensing Platform for RFID with Frequency Modulation
Islam, Mazidul; Song, Jinsong; Viikari, Ville; Nikunen, Joona
2017 in European Microwave Conference (European Microwave Association)ISBN: 978-2-87487-043-9
ISSN: 2325-0305
Dielectric-filled waveguide antenna array for millimeter-wave communications
Kähkönen, Henri; Semkin, Vasilii; Ala-Laurinaho, Juha; Viikari, Ville
2017 ISBN: 9788890701870
ISSN: 2164-3342
Single-element handset antenna design for modern smartphones An industrial approach
Lehtovuori, Anu; Ilvonen, Janne; Rasilainen, Kimmo; Viikari, Ville
2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870
ISSN: 2164-3342
LTE handset antenna with closely-located radiators, low-band MIMO, and high efficiency
Rasilainen, Kimmo; Lehtovuori, Anu; Viikari, Ville
2017 in Proceedings of the European Conference on Antennas and Propagation (IEEE)ISBN: 9788890701870
ISSN: 2164-3342
Uncertainty analysis of intermodulation-based antenna measurements
Hannula, Jari Matti; Viikari, Ville
2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863
ISSN: 2164-3342
Suitable multiantenna placement in mobile handsets based on electromagnetic isolation
Ilvonen, Janne; Holopainen, Jari; Rasilainen, Kimmo; Lehtovuori, Anu; Viikari, Ville
2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863
ISSN: 2164-3342
UHF RFID Sensors Based on Frequency Modulation
Islam, Md. Mazidul; Viikari, Ville; Nikunen, Joona; Reinikainen, Marko
2016 in Proceedings of IEEE Sensors (IEEE)ISBN: 978-1-4799-8287-5
ISSN: 1930-0395
Mitigation of multiple reflections in antenna pattern retrieval method
Khairkar, Gaurav; Ala-Laurinaho, Juha; Viikari, Ville; Semkin, Vasilii; Räisänen, Antti
2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863
ISSN: 2164-3342
Applying bandwidth estimators to tablet antenna design
Lehtovuori, Anu; Valkonen, Risto; Viikari, Ville
2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863
ISSN: 2164-3342
Wideband monopole antenna for RF power scavenger
Leino, M. K.; Partanen, H.; Lindvall, N.; Luomaniemi, R.; Kangas, T.; Tzarouchis, D.; Holopainen, Jari; Viikari, V.
2016 in Digest of the IEEE Antennas and Propagation Society International Symposium (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9781509028863
ISSN: 1522-3965
Realization of RFID tag antenna with 3D printing technology
Naushahi, Shayan Hasan; Rasilainen, Kimmo; Viikari, Ville
2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863
ISSN: 2164-3342
Effect of shape and surroundings on harmonic transponder performance
Rasilainen, Kimmo; Viikari, Ville
2016 in Proceedings of the European Conference on Antennas and Propagation (Institute of Electrical and Electronics Engineers Inc.)ISBN: 9788890701863
ISSN: 2164-3342
Reflection coefficient method for antenna radiation pattern measurements
Ala-Laurinaho, Juha; Du, Zhou; Semkin, Vasilii; Viikari, Ville; Räisänen, Antti V.
2015 ISBN: 978-2-87487-041-5
Tunable MIMO Antenna for Small Handsets
Rasilainen, Kimmo; Lehtovuori, Anu; Ilvonen, Janne; Holopainen, Jari; Valkonen, Risto; Viikari, Ville
2015 ISBN: 978-88-907018-5-6
Dual-resonant PIFA for Body Area Networks
Salo, Sampo; Khairkar, Gaurav; Holopainen, Jari; Viikari, Ville
2015 ISBN: 978-1-4799-7815-1
Reflection coefficient method for characterizing antennas on probe stations
Viikari, Ville; Du, Zhou; Semkin, Vasilii; Ala-Laurinaho, Juha; Räisänen, Antti V.
2015 ISBN: 978-88-907018-5-6
Radiation pattern retrieval from impedance measurement with a reflective object in the antenna near field
Ala-Laurinaho, Juha; Du, Zhou; Viikari, Ville; Räisänen, Antti V.
2014 2D Antenna Radiation Pattern Retrieval Using Reflection Coefficient Measurement
Du, Zhou; Viikari, Ville; Ala-Laurinaho, Juha; Räisänen, Antti V.
2014 ISBN: 978-4-902339-32-1
Double loop matching technique for robust UHF RFID tag antennas
Heino, Mikko; Toivanen, Jalmari; Holopainen, Jari; Viikari, Ville
2014 Achieving Long Reading Ranges with Passive Wireless Intermodulation Sensors
Pursula, Pekka; Pesonen, Nadine; Song, Jinsong; Viikari, Ville; Marttila, Ilkka
2014 Investigation on Bendable Mobile Devices in the Presence of the User
Rasilainen, Kimmo; Ilvonen, Janne; Viikari, Ville
2014 Long Range Passive Wireless MEMS-based Inclination or Acceleration Sensor Utilizing the Intermodulation Communication Principle
Song, Jinsong; Pesonen, Nadine; Viikari, Ville
2014 ISBN: 978-1-4799-3403-4
Integrated Passive Wireless Sensor Transponders based on the Intermodulation Communication Principle
Song, Jinsong; Pesonen, Nadine; Pursula, Pekka; Viikari, Ville
2014 RFID-based butterfly location sensing system
Särkkä, Simo; Viikari, Ville; Jaakkola, Kaarle
2014 in European Signal Processing Conference (European Signal Processing Conference, EUSIPCO)ISBN: 9780992862619
ISSN: 2076-1465
Review of Passive Wireless Sensors Utilizing the Intermodulation Communication
Viikari, Ville; Song, Jinsong; Pesonen, Nadine; Pursula, Pekka; Seppä, Heikki
2014 On the use of the intermodulation communication towards zero power sensor nodes
Song, J.; Pesonen, N.; Seppä, H.; Viikari, Ville
2013 in European Microwave Conference (European Signal Processing Conference, EUSIPCO)ISBN: 978-2-87487-031-6
ISSN: 2325-0305
Tests of a 1.5-m reflector antenna in a 650 GHz hologram CATR
Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; tamminen, Aleksi; Vaaja, Matti; Viikari, Ville; Räisänen, Antti V.; Lemanczyk, Jerzy
2007 Antenna tests at 650 GHz in a CATR based on a hologram
Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Ala-Laurinaho, Juha; Viikari, Ville; Karttunen, Aki; Vaaja, Matti; Mallat, Juha; Tamminen, Aleksi; Noponen, Eero; Räisänen, Antti V.
2007 Differential phase measurement method for determining scanner planarity at submillimeter wavelengths
Koskinen, Tomi; Mallat, Juha; Ala-Laurinaho, Juha; Vaaja, Matti; Karttunen, Aki; Viikari, Ville; Räisänen, Antti V.
2007 How to test a high-gain antenna at THz frequencies?
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Tamminen, Aleksi; Vaaja, Matti; Viikari, Ville
2007 Measurement of a high-gain antenna at 650 GHz in a hologram-based CATR
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Tamminen, Aleksi; Vaaja, Matti; Viikari, Ville
2007 Compact antenna test range based on a computer-generated hologram and its use at submillimeter wavelengths
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Tamminen, Aleksi; Vaaja, Matti; Viikari, Ville
2007 Hologram-based CATR measurement of a 1.5 m antenna at 650 GHz: progress report
Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Noponen, Eero; Mallat, Juha; Vaaja, Matti; Viikari, Ville; Räisänen, Antti V.; Lemanczyk, Jerzy
2006 Development of a hologram-based CATR for testing a very high gain antenna at 650GHz
Ala-Laurinaho, Juha; Koskinen, Tomi; Häkli, Janne; Karttunen, Aki; Lönnqvist, Anne; Noponen, Eero; Mallat, Juha; Vaaja, Matti; Viikari, Ville; Räisänen, Antti V.; Heinonen, Jukka; Hautala, Pekka; Lemanczyk, Jerzy
2006 ISBN: 92-9092-9375
ISSN: 1609-042X
Development of a 650 GHz hologram based CATR for testing a 1,5m reflector antenna
Häkli, Janne; Koskinen, Tomi; Ala-Laurinaho, Juha; Karttunen, Aki; Vaaja, Matti; Viikari, Ville; Lönnqvist, Anne; Heinonen, J.; Mallat, Juha; Noponen, Eero; Hautala, P.; Räisänen, Antti V.
2006 Reduction of cross-polarization in sub-millimetre-wave hologram-based CATR by using a polarization grid
Koskinen, Tomi; Häkli, Janne; Ala-Laurinaho, Juha; Lönnqvist, Anne; Mallat, Juha; Viikari, Ville; Räisänen, Antti V.
2006 Synthesis of reflection-type phase hologram for compact antenna test range at 310 GHz
Noponen, Eero; Häkli, Janne; Lönnqvist, Anne; Viikari, Ville; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.
2006 Measurement of high-gain antennas at mm- and submm-wavelenghts: challenges and solutions
Räisänen, Antti V.; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Noponen, Eero; Vaaja, Matti; Viikari, Ville
2006 Adaptive array based antenna pattern correction technique
Viikari, Ville; Kolmonen, Veli-Matti; Salo, Jari; Räisänen, Antti V.
2006 New pattern correction techniques for submm-wave CATRs
Viikari, Ville; Mallat, Juha; Ala-Laurinaho, Juha; Häkli, Janne; Karttunen, Aki; Koskinen, Tomi; Lönnqvist, Anne; Noponen, Eero; Vaaja, Matti; Räisänen, Antti V.
2006 Millimetre wave antenna research at Helsinki University of Technology
Ala-Laurinaho, Juha; Mallat, Juha; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Viikari, Ville; Möttönen, Ville; Dudorov, Sergey; Lioubtchenko, Dmitri; Lehto, Arto; Räisänen, Antti V.
2005 Dielectric-loaded flat reflector test antenna for submillimetre wavelengths
Ala-Laurinaho, Juha; Mallat, Juha; Viikari, Ville; Räisänen, Antti V.
2005 Mm- and sub-mm wave hologram based compact antenna test ranges used for electrical antenna testing
Häkli, Janne; Ala-Laurinaho, Juha; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Viikari, Ville; Säily, Jussi; Räisänen, Antti V.; Tuovinen, Jussi; Lemanczyk, Jerzy
2005 A reflection-type amplitude hologram as a collimating element in the compact antenna test range
Koskinen, Tomi; Viikari, Ville; Häkli, Janne; Lönnqvist, Anne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.
2005 Study on the dual polarized operation of the hologram based compact antenna test range
Koskinen, Tomi; Häkli, Janne; Ala-Laurinaho, Juha; Lönnqvist, Anne; Viikari, Ville; Mallat, Juha; Räisänen, Antti V.
2005 Hologram based compact ranges for antenna and RCS testing at submm-waves
Lönnqvist, Anne; Ala-Laurinaho, Juha; Häkli, Janne; Mallat, Juha; Viikari, Ville; Räisänen, Antti V.
2005 Antenna pattern correction in a hologram CATR based on averaging in frequency domain
Viikari, Ville; Mallat, Juha; Ala-Laurinaho, Juha; Häkli, Janne; Räisänen, Antti V.
2005 A feasibility study of phase retrieval algorithms at sub-millimeter wavelengths
von Lerber, Annakaisa; Viikari, Ville; Lisena, Angelo; Ala-Laurinaho, Juha; Räisänen, Antti V.
2005 Satellite antenna measurement at 322GHz
Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Räisänen, Antti V.; Ranvier, Sylvain; Säily, Jussi; Tuovinen, Jussi; Viikari, Ville
2004 Sub-mm antenna tests in a hologram based CATR
Häkli, Janne; Ala-Laurinaho, Juha; Koskinen, Tomi; Lemanczyk, Jerzy; Lönnqvist, Anne; Mallat, Juha; Räisänen, Antti V.; Säily, Jussi; Tuovinen, Jussi; Viikari, Ville
2004 Dielectric-loaded flat reflector test antenna for submillimetre wave antenna measurements
Mallat, Juha; Ala-Laurinaho, Juha; Viikari, Ville; Räisänen, Antti V.
2004 Computer-generated hologram and its use for submm-wave antenna antenna measurement
Räisänen, Antti V.; Ala-Laurinaho, Juha; Koskinen, tomi; Lönnqvist, Anne; Säily, Jussi; Häkli, Janne; Mallat, Juha; Viikari, Ville; Ranvier, Sylvain; Tuovinen, Jussi
2004 A feed scanning based APC-technique for improving the measurement accuracy in a sub-mm CATR
Viikari, Ville; Häkli, Janne; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti
2004 Tests of the ADMIRALS antenna in a hologram compact antenna test range
Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Mallat, Juha; Ranvier, Sylvain; Räisänen, Antti V.; Tuovinen, Jussi; Viikari, Ville
2003 Phase hologram for plane wave generation at 310 GHz
Noponen, Eero; Viikari, Ville; Lönnqvist, Anne; Säily, Jussi; Häkli, Janne; Koskinen, Tomi; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.; Salo, Janne; Meltaus, Johanna; Salomaa, Martti M.
2003 Phase-type diffractive element for planar millimeter-wave generation at 310 GHz
Noponen, Eero; Lönnqvist, Anne; Säily, Jussi; Häkli, Janne; Koskinen, Tomi; Viikari, Ville; Ala-Laurinaho, Juha; Mallat, Juha; Räisänen, Antti V.; Salo, Janne; Meltaus, Johanna; Salomaa, Martti M.
2003 Manufacturing of large-sized holograms for a submm-wave CATR
Lönnqvist, Anne; Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Viikari, Ville; Säily, Jussi; Mallat, Juha; Tuovinen, Jussi; Räisänen, Antti V.
2002 A phase hologram RCS range for scale model measurements
Mallat, Juha; Ala-Laurinaho, Juha; Noponen, Eero; Viikari, Ville; Lönnqvist, Anne; Koskinen, Tomi; Säily, Jussi; Häkli, Janne; Meltaus, Johanna; Räisänen, Antti V.
2002 Effects of hologram joints to the quiet-zone field in a CATR
Lönnqvist, Anne; Ala-Laurinaho, Juha; Häkli, Janne; Koskinen, Tomi; Viikari, Ville; Säily, Jussi; Tuovinen, Jussi; Räisänen, Antti V.
2001 Computer generated holograms for mm- and submm-wave applications: CATR, Bessel beams and radiowave vortices
Räisänen, Antti V.; Ala-Laurinaho, Juha; Säily, Jussi; Häkli, Janne; Koskinen, Tomi; Lönnqvist, Anne; Viikari, Ville; Mallat, Juha; Noponen, Eero; Salo, Janne; Meltaus, Johanna; Weber, M.; Salomaa, M.M.
2001 Videos
Ville Viikari: "Antennas enabling the wireless world"
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