Jari Holopainen
Senior University Lecturer
Senior University Lecturer
T411 Dept. Electronics and Nanoeng
Full researcher profile
https://research.aalto.fi/...
Contact information
Postal address
Maarintie 8
02150 Espoo
Finland
Publications
Antenna Array Based on 3D-printed Plastic BoR Elements Coated with Conductive Paint
Matti Kuosmanen, Juha Ala-Laurinaho, Jari Holopainen, Ville Viikari
2023
17th European Conference on Antennas and Propagation, EuCAP 2023
Dual-Polarized 6–18 GHz Antenna Array with Low-Profile Inverted BoR Elements
Matti Kuosmanen, Sten E. Gunnarsson, Johan Malmstrom, Jari Holopainen, Juha Ala-Laurinaho, Ville Viikari
2023
IEEE Open Journal of Antennas and Propagation
Dual-Polarized 2-6 GHz Antenna Array With Inverted BoR Elements and Integrated PCB Feed
Matti Kuosmanen, Sten E. Gunnarsson, Johan Malmstrom, Henri Kahkonen, Jari Holopainen, Juha Ala-Laurinaho, Ville Viikari
2022
IEEE Open Journal of Antennas and Propagation
Orthogonality Properties of Characteristic Modes for Lossy Structures
Matti Kuosmanen, Pasi Yla-Oijala, Jari Holopainen, Ville Viikari
2022
IEEE Transactions on Antennas and Propagation
Beam-Steerable Transponder Based on Antenna Array and Phased Modulators
Tauseef Ahmad Siddiqui, Jari Holopainen, Ville Viikari
2021
IEEE Antennas and Wireless Propagation Letters
Bluetooth antenna for metal-cased smart jewellery
Tauseef Siddiqui, Prabhat Khanal, Lauri Vähä-Savo, Niko Lindvall, Jari Holopainen, Ville Viikari
2020
Electronics Letters
Broadband Transponder Based on Frequency-Reconfigurable Cluster Antenna and Phased Modulators
Tauseef Siddiqui, Prabhat Khanal, Jari Holopainen, Ville Viikari
2020
IEEE Antennas and Wireless Propagation Letters
Concept of Beam Steerable Transponder Based on Load Modulation
Tauseef Siddiqui, Prabhat Khanal, Jari Holopainen, Ville Viikari
2020
14th European Conference on Antennas and Propagation, EuCAP 2020
Further Investigation of a Frequency-Reconfigurable Transponder on the Basis of a Mutually Coupled Antenna Cluster and Phased Modulators
Tauseef Siddiqui, Prabhat Khanal, Jari Holopainen, Ville Viikari
2020
URSI Radio Science Letters
MIMO Antenna Arrangement
Jari-Matti Hannula, Ville Viikari, Jari Holopainen
2019
Bluetooth Antenna for Smart Jewellery with Metal Covers
Rasmus Luomaniemi, Christian Cziezerski, Henri Mäki, Jari Holopainen, Ville Viikari
2019
Proceedings of the European Conference on Antennas and Propagation
Ambient Backscattering Transponder with Independently Switchable Rx and Tx Antennas
Tauseef Siddiqui, Jari Holopainen, Ville Viikari
2019
IEEE Sensors Letters
Antenna tuning without physical matching elements (invited)
Jari-Matti Hannula, Ville Viikari, Tapio Saarinen, Anu Lehtovuori, Jari Holopainen
2017
Proceedings of the 6th Asia-Pacific Conference on Antennas and Propagation
Frequency Reconfigurable Multiband Handset Antenna Based on a Multichannel Transceiver
Jari Matti Hannula, Tapio Saarinen, Jari Holopainen, Ville Viikari
2017
IEEE Transactions on Antennas and Propagation
Further investigations on the behavior of a frequency reconfigurable antenna cluster
Jari Matti Hannula, Jari Holopainen, Ville Viikari
2017
2017 11th European Conference on Antennas and Propagation, EUCAP 2017
A study of 5G antennas in a mobile terminal
Jari Holopainen, Jari Matti Hannula, Ville Viikari
2017
2017 11th European Conference on Antennas and Propagation, EUCAP 2017
Study on non-linear effects of two coupled UHF-band RFID tags
Jari Holopainen, Xinwei Gao, Ville Viikari
2017
2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)
Concept for Frequency Reconfigurable Antenna Based on Distributed Transceivers
Jari-Matti Hannula, Jari Holopainen, Ville Viikari
2016
IEEE Antennas and Wireless Propagation Letters
Teaching experiment in Aalto University
Jari Holopainen, Dimitrios C. Tzarouchis
2016
Proceedings of the 2016 URSI Commission B International Symposium on Electromagnetic Theory, EMTS 2016
Suitable multiantenna placement in mobile handsets based on electromagnetic isolation
Janne Ilvonen, Jari Holopainen, Kimmo Rasilainen, Anu Lehtovuori, Ville Viikari
2016
2016 10th European Conference on Antennas and Propagation, EuCAP 2016
Wideband monopole antenna for RF power scavenger
M. K. Leino, H. Partanen, N. Lindvall, R. Luomaniemi, T. Kangas, D. Tzarouchis, Jari Holopainen, V. Viikari
2016
Proceedings of the 2016 IEEE Antennas and Propagation Society International Symposium, APSURSI 2016
RFID-Based Book Finder [Education Corner]
Lasse Toivanen, Mikko Heino, Aapo Oksman, Aapo Vienamo, Jari Holopainen, Ville Viikari
2016
IEEE Antennas and Propagation Magazine
Tunable MIMO Antenna for Small Handsets
Kimmo Rasilainen, Anu Lehtovuori, Janne Ilvonen, Jari Holopainen, Risto Valkonen, Ville Viikari
2015
9th European Conference on Antennas and Propagation (EuCAP 2015), Lisbon, Portugal, April 12-17, 2015
Dual-resonant PIFA for Body Area Networks
Sampo Salo, Gaurav Khairkar, Jari Holopainen, Ville Viikari
2015
International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, IEEE, Vancouver, Canada, July 19-24, 2015
Double loop matching technique for robust UHF RFID tag antennas
Mikko Heino, Jalmari Toivanen, Jari Holopainen, Ville Viikari
2014
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, Tennessee, USA, July 6-11, 2014
Design Strategy for 4G Handset Antennas and a Multiband Hybrid Antenna
Janne Ilvonen, Risto Valkonen, Jari Holopainen, Ville Viikari
2014
IEEE Transactions on Antennas and Propagation
Multiband Frequency Reconfigurable 4G Handset Antenna with MIMO Capability
Janne Ilvonen, Risto Valkonen, Jari Holopainen, Ville Viikari
2014
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER
Opetuksen kehittämiskokeilu: klikkereihin perustuvien esitestien käyttö
Jari Holopainen, Keijo Nikoskinen, Luis Costa
2013
Peda-forum-päivät 2013 (Opetuksen kulttuurin muutos), Tampere, Suomi, elokuu 20-21, 2013
Extension to Characterization Model for GPS Antenna Performance in Mobile Terminals
Janne Ilvonen, Kimmo Rasilainen, Risto Valkonen, Jari Holopainen, Joonas Krogerus, Ville Viikari
2013
IEEE Antennas and Wireless Propagation Letters
Design of high data rate, low power and efficient S-band transmitter for Aalto-1 nanosatellite mission
Jaakko Jussila, Sami Ben Cheikh, J. Holopainen, M. Lankinen, A. Kestilä, J. Praks, M. Hallikainen
2013
2nd IAA Conference on University Satellite Missions and CubeSat Workshop, Rome, Italy, February 3-9, 2013
Optimal Dual-Antenna Design in a Small Terminal Multi-Antenna System
Robert Martens, Jari Holopainen, Janne Ilvonen, Dirk Manteuffel
2013
IEEE Antennas and Wireless Propagation Letters
Effect of Ground Plane Bending on Mobile Terminal Antenna Performance
Kimmo Rasilainen, Janne Ilvonen, Jari Holopainen, Risto Valkonen, Antti V. Räisänen
2013
7th European Conference on Antennas and Propagation (EuCAP 2013), Gothenburg, Sweden, April 8-12, 2013
Influence of the user's hand on mutual coupling of dual-antenna structures on mobile terminal
Azremi Bin Abdullah Al-Hadi, Janne Ilvonen, Chung-Huan Li, Jari Holopainen, Pertti Vainikainen
2012
EUCAP 6th European Conference on Antennas and Propagation (EuCAP 2012), Prague, Czech Republic, March 26-30, 2012
Study on the Minimum Required Size of the Low-Band Cellular Antenna in Variable-Sized Mobile Terminals
Jari Holopainen, Janne Ilvonen, Risto Valkonen, Azremi Bin Abdullah Al-Hadi, Pertti Vainikainen
2012
EUCAP 6th European Conference on Antennas and Propagation (EuCAP 2012), Prague, Czech Republic, March 26-30, 2012
Reducing the Interaction Between User and Mobile Terminal Antenna Based on Antenna Shielding
Janne Ilvonen, Risto Valkonen, Jari Holopainen, Outi Kivekäs, Pertti Vainikainen
2012
EUCAP 6th European Conference on Antennas and Propagation (EuCAP 2012), Prague, Czech Republic, March 26-30, 2012
Antennas for Digital Television Receivers in Mobile Terminals
Pertti Vainikainen, Jari Holopainen, Mikko Kyrö
2012
Proceedings of the IEEE
Coupling Element Based Dual-Antenna Structures with Hand Effects
Azremi Bin Abdullah Al-Hadi, Janne Ilvonen, Risto Valkonen, Jari Holopainen, Outi Kivekäs, Clemens Icheln, Pertti Vainikainen
2011
International Journal of Wireless Information Networks
Compact UHF-band antennas for mobile terminals : focus on modelling, implementation, and user interaction
Jari Holopainen
2011
Effect of the User's Hands on the Operation of Lower UHF-Band Mobile Terminal Antennas: Focus on Digital Television Receiver
Jari Holopainen, Outi Kivekäs, Janne Ilvonen, Risto Valkonen, Clemens Icheln, Pertti Vainikainen
2011
IEEE Transactions on Electromagnetic Compatibility
Isolation Improvement Method for Mobile Terminal Antennas at Lower UHF Band
Janne Ilvonen, Outi Kivekäs, Azremi Bin Abdullah Al-Hadi, Risto Valkonen, Jari Holopainen, Pertti Vainikainen
2011
EUCAP 5th European Conference on Antennas and Propagation (EuCAP 2011), Rome, Italy, Apr. 11-15, 2011
Mobile Terminal Antenna Performance With the User's Hand: Effect of Antenna Dimensioning and Location
Janne Ilvonen, Outi Kivekäs, Jari Holopainen, Risto Valkonen, Kimmo Rasilainen, Pertti Vainikainen
2011
IEEE Antennas and Wireless Propagation Letters
Capacitive-Sensor-Induced Losses in 900-, 1800-, and 1900-MHz Antennas
Sami Myllymäki, Risto Valkonen, Jari Holopainen, Arttu Huttunen, Vamsi K. Palukuru, Markus Berg, Heli Jantunen, Erkki Salonen
2011
IEEE Antennas and Wireless Propagation Letters
Avoiding the interaction between hand and capacitive coupling element based mobile terminal antenna
Risto Valkonen, Janne Ilvonen, Kimmo Rasilainen, Jari Holopainen, Clemens Icheln, Pertti Vainikainen
2011
EUCAP5th European Conference on Antennas and Propagation (EuCAP 2011), Rome, Italy, Apr. 11-15, 2011
Performance Analysis of Broadband Coupling Element-Based Multiantenna Structure for Mobile Terminal with Hand Effects
Azremi Bin Abdullah Al-Hadi, Janne Ilvonen, Risto Valkonen, Jari Holopainen, Outi Kivekäs, Clemens Icheln, Pertti Vainikainen
2010
PIMRC The 21st IEEE Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), Istanbul, Turkey, September 26-30, 2010
Broadband Equivalent Circuit Model for Capacitive Coupling ElementBased Mobile Terminal Antenna
Jari Holopainen, Risto Valkonen, Outi Kivekäs, Janne Ilvonen, Pertti Vainikainen
2010
IEEE Antennas and Wireless Propagation Letters
Equivalent Circuit Model-Based Approach on the User Body Effect of a Mobile Terminal Antenna
Jari Holopainen, Risto Valkonen, Outi Kivekäs, Janne Ilvonen, L Martinez, J R Kelly, P S Hall
2010
IEEE Loughborough Antennas and Propagation Conference (LAPC), Loughborough, United Kingdom, November 8-9, 2010
Internal Broadband Antennas for Digital Television Receiver in Mobile Terminals
Jari Holopainen, Outi Kivekäs, Clemens Icheln, Pertti Vainikainen
2010
IEEE Transactions on Antennas and Propagation
Balanced Antenna Structures of Mobile Terminals
Janne Ilvonen, Jari Holopainen, Outi Kivekäs, Risto Valkonen, Clemens Icheln, Pertti Vainikainen
2010
EUCAP The 4th European Conference on Antennas and Propagation (EuCAP 2010), Barcelona, Spain, April 12-16, 2010
Compensation of finger effect on a mobile terminal antenna by antenna selection
Risto Valkonen, Sami Myllymäki, Arttu Huttunen, Jari Holopainen, Janne Ilvonen, Pertti Vainikainen, Heli Jantunen
2010
ICEAA 2010 International Conference on Electromagnetics in Advanced Applications (ICEAA'10 Offshore), Sydney, Australia, September 20-24, 2010
Frequency-Reconfigurable Mobile Terminal Antenna with MEMS Switches
Risto Valkonen, Cyril Luxey, Jari Holopainen, Clemens Icheln, Pertti Vainikainen
2010
EUCAP The 4th European Conference on Antennas and Propagation (EuCAP 2010), Barcelona, Spain, April 12-16, 2010
A Five-element inverted-F antenna array for MIMO communication and radio direction finding on a mobile terminal
Azremi Bin Abdullah Al-Hadi, Mikko Kyrö, Janne Ilvonen, Jari Holopainen, Sylvain Ranvier, Clemens Icheln, Pertti Vainikainen
2009
Mobile terminal antennas implemented using optimized direct feed
Jari Holopainen, Juha Villanen, Risro Valkonen, Juho Poutanen, Outi Kivekäs, Clemens Icheln, Pertti Vainikainen
2009
iWAT 2009 IEEE International Workshop on Antenna Technology, Santa Monica, California, USA, March 2-4, 2009
Near-Field Control of Handset Antennas Based on Inverted-Top Wavetraps: Focus on Hearing-Aid Compatibility
Jari Holopainen, Janne Ilvonen, Outi Kivekäs, Risto Valkonen, Clemens Icheln, Pertti Vainikainen
2009
IEEE Antennas and Wireless Propagation Letters
Recent advances in coupling-based antenna structures for mobile terminals
Jari Holopainen, Risto Valkonen, Clemens Icheln, Outi Kivekäs, Pertti Vainikainen
2009
iWAT 2009 IEEE International Workshop on Antenna Technology, Santa Monica, California, USA, March 2-4, 2009
More than 20 antenna elements in future mobile phones, threat or opportunity?
Pertti Vainikainen, Jari Holopainen, Clemens Icheln, Outi Kivekäs, Mikko Kyrö, M. Mustonen, Sylvain Ranvier, Risto Valkonen, J. Villanen
2009
3rd European Conference on Antennas and Propagation (EuCap 2009), Berlin, Germany, March 23-27, 2009
Effects of nearby metallic patches on an antenna based on segmented mobile terminal chassis
Risto Valkonen, Juho Poutanen, Jari Holopainen, Clemens Icheln, Pertti Vainikainen
2009
3rd European Conference on Antennas and Propagation (EuCap 2009), Berlin, Germany, March 23-27, 2009
Minimization on power loss and distortion in a tuning circuit for a mobile terminal antenna
Risto Valkonen, Jari Holopainen, Clemens Icheln, Pertti Vainikainen
2008
International Symposium on Antennas and Propagation (ISAP 2008), Taipei, Taiwan, 27-30 October, 2008
User effect of antennas for handheld DVB terminal
Jari Holopainen, Juho Poutanen, Clemens Icheln, Pertti Vainikainen
2007
2007 International Conference on Electromagnetics in advanced applications (ICEAA'07), Torino, Italy, September 17-21, 2007
Development trends of small antennas for mobile terminals
Pertti Vainikainen, Juha Villanen, Jari Holopainen, Clemens Icheln
2007
IEEE AP-S International Symposium 2007, Honolulu, Hawaii, USA, June 10-15, 2007
Broadband tuning of mobile terminal antennas
Risto Valkonen, Jari Holopainen, Clemens Icheln, Pertti Vainikainen
2007
European Conference on Antennas and Propagation (EuCAP07), Edinburgh, UK, November 11-16, 2007
Antenna for handheld DVB terminal
Jari Holopainen, Juha Villanen, Mikko Kyrö, Clemens Icheln, Pertti Vainikainen
2006
iWAT 2006 Small Antennas and Novel Metamaterials, New York, USA, March 6-8, 2006
Mobile terminal antennas implemented by using direct coupling
Jari Holopainen, Juha Villanen, Clemens Icheln, Pertti Vainikainen
2006
The first European Conference on Antennas and Propagation 2006 (EuCAP06), Nice, France, November 6-10, 2006
Antennas for multi-system mobile terminals
Pertti Vainikainen, Juha Villanen, Jari Holopainen, Outi Kivekäs, Pasi Suvikunnas, Kati Sulonen
2005
11th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM 2005), Saint-Malo, France, June 15-17, 2005
Mobile Broadband Antennas
Juha Villanen, Jari Holopainen, Outi Kivekäs, Pertti Vainikainen
2005
XXVIIIth General Assembly of URSI, New Delhi, India, Octoberr22-29, 2005