19952020

Research output per year

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Research Output

2006

User effect on total radiated power and 3-D radiation pattern of mobile handsets

Krogerus, J., Toivanen, J., Icheln, C. & Vainikainen, P., 2006, The 1st European Conference on Antennas and Propagation 2006 (EuCAP06), Nice, France, November 6-10, 2006. Nice, France: European Space Agency, p. Paper 363892jk.pdf (CD-ROM SP-626)

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

5 Citations (Scopus)
2007

A coupling element based quad-band antenna structure for mobile terminals

Villanen, J., Icheln, C. & Vainikainen, P., 2007, In : Microwave and Optical Technology Letters. 49, 6, p. 1277-1282

Research output: Contribution to journalArticleScientificpeer-review

45 Citations (Scopus)

A wideband study of the bandwidth, SAR and radiation efficiency of mobile terminal antenna structures

Villanen, J., Poutanen, J., Icheln, C. & Vainikainen, P., 2007, Interantional Workshop on Antenna Technologies Conference (IWAT'07), Cambridge, UK, March 21-23, 2007. Cambridge, UK, p. CD-ROM, paper 1569011622.pdf

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)

Broadband tuning of mobile terminal antennas

Valkonen, R., Holopainen, J., Icheln, C. & Vainikainen, P., 2007, European Conference on Antennas and Propagation (EuCAP07), Edinburgh, UK, November 11-16, 2007. Edinburgh, UK, p. Tu 2.6.6

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

13 Citations (Scopus)

Channel capacity evaluation of umts multi-antenna systems in indoor and outdoor environments

Diallo, A., Luxey, C., Le Thuc, P., Kossiavas, G., Suvikunnas, P., Mustonen, M., Icheln, C. & Vainikainen, P., 2007, European Conference on Antennas and Propagation (EuCAP07), Edinburgh, UK, November 11-16, 2007. Edinburgh, UK, p. paper Tu1.6.4.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Development trends of small antennas for mobile terminals

Vainikainen, P., Villanen, J., Holopainen, J. & Icheln, C., 2007, IEEE AP-S International Symposium 2007, Honolulu, Hawaii, USA, June 10-15, 2007. Honolulu, HAwaii, USA, p. CD-ROM (1-4244-0878-4) paper 0713.pdf

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Effect of the human body on total radiated power and the 3-D radiation pattern of mobile handsets

Krogerus, J., Toivanen, J., Icheln, C. & Vainikainen, P., 2007, In : IEEE Transactions on Instrumentation and Measurement. 56, 6, p. 2375-2385

Research output: Contribution to journalArticleScientificpeer-review

61 Citations (Scopus)

Evaluation of terminal antennas in wireless mobile communications

Suvikunnas, P., Laitinen, T., Mustonen, M., Kolmonen, V-M., Villanen, J., Geng, S., Ranvier, S., Koivunen, J., Icheln, C. & Vainikainen, P., 2007, International Conference on Electromagnetics in Advanced Applications, 2007, ICEAA 2007, Torino, Italia, September 17-21, 2007. Torino, Italia: COREP, p. 125128

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

From the radiation pattern measurements to true performance evaluation of mobile terminal antennas

Laitinen, T., Krogerus, J., Mustonen, M., Villanen, J., Icheln, C. & Vainikainen, P., 2007, The Second European Conference on Antennas and Propagation EuCAP 2007, Edinburgh, UK, November 11-16, 2007. Edinburgh, UK: Institution of Engineering and Technology, p. paper Th2.7.7.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Optium dual-resonant impedance matching of coupling element based mobile terminal antenna structures

Villanen, J., Icheln, C. & Vainikainen, P., 2007, In : Microwave and Optical Technology Letters. 49, 10, p. 2472-2477

Research output: Contribution to journalArticleScientificpeer-review

28 Citations (Scopus)

Performance analysis and design aspects of mobile terminal multi-antenna configurations

Villanen, J., Suvikunnas, P., Icheln, C., Ollikainen, J. & Vainikainen, P., 2007, Espoo, (Teknillisen korkeakoulun Radiolaboratorion julkaisuja; no. S 288).

Research output: Working paperProfessional

Quad-band coupling element antenna structure

Ozden, S., Nielsen, B. K., Jorgensen, C. H., Villanen, J. T., Icheln, C. & Vainikainen, P., 2007, Patent No. US7274340 (Also published as: KR20080080409, WO2007074369, EP1969671, CN101336497)

Research output: Patent

Quad-band coupling element antenna structure,

Ozden, S., Nielsen, B. K., Jorgensen, C. H., Villanen, J., Icheln, C. & Vainikainen, P., 2007, Patent No. United States Patent, No. 7,274.340

Research output: Patent

Radiation characteristics of antenna structures in clamshell-type phones in wide frequency range

Villanen, J., Mikkola, M., Icheln, C. & Vainikainen, P., 2007, IEEE 65th Vehicular Technology Conference (VTC2007-spring), Dublin, Ireland, April 22-25, 2007. Dublin, Ireland, p. 382-386

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

User effect of antennas for handheld DVB terminal

Holopainen, J., Poutanen, J., Icheln, C. & Vainikainen, P., 2007, 2007 International Conference on Electromagnetics in advanced applications (ICEAA'07), Torino, Italy, September 17-21, 2007. Torino, Italy, p. paper:313.pdf.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

9 Citations (Scopus)
2008

Behaviour of Mobile Terminal Antennas near Human Tissue at a Wide Frequency Range

Poutanen, J., Villanen, J., Icheln, C. & Vainikainen, P., 2008, Tokyo, Japan, p. 219-222, (IEEE International Workshop on Antenna Technology (IWAT2008), Chiba, Japan, 4-6 March, 2008).

Research output: Working paperProfessional

2 Citations (Scopus)

Dual-element antenna for DVB-H terminal

Kyrö, M., Mustonen, M., Icheln, C. & Vainikainen, P., 2008, 2008 Loughborough Antennas and Propagation Conference, Loughborough, UK, 17-18 March, 2008. Loughborough, UK, p. 265-268

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

12 Citations (Scopus)

Low-Cost Planar Omnidirectional Antenna for mm-Wave Applications

Ranvier, S., Dudorov, S., Kyrö, M., Luxey, C., Icheln, C., Staraj, R. & Vainikainen, P., 2008, In : IEEE Antennas and Wireless Propagation Letters . 7, p. 521-523

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Minimization on power loss and distortion in a tuning circuit for a mobile terminal antenna

Valkonen, R., Holopainen, J., Icheln, C. & Vainikainen, P., 2008, International Symposium on Antennas and Propagation (ISAP 2008), Taipei, Taiwan, 27-30 October, 2008. Taipei, Taiwan, p. 449-452

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Performance analysis and design aspects of mobile-terminal multiantenna configurations

Villanen, J., Suvikunnas, P., Icheln, C., Ollikainen, J. & Vainikainen, P., 2008, In : IEEE Transactions on Vehicular Technology. 57, 3, p. 1664-1674

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Recent development of MIMO antennas and their evaluation for small terminal antennas

Vainikainen, P., Mustonen, M., Kyrö, M., Laitinen, T., Icheln, C., Villanen, J. & Suvikunnas, P., 2008, 17th International Conference on Microwaves, Radar and Wireless Communications (MIKON'08), Wroclaw, Poland, May 19-21, 2008. Wroclaw, Poland, p. 29-38

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2009

A Five-element inverted-F antenna array for MIMO communication and radio direction finding on a mobile terminal

Bin Abdullah Al-Hadi, A., Kyrö, M., Ilvonen, J., Holopainen, J., Ranvier, S., Icheln, C. & Vainikainen, P., 2009, Loughborough, United Kingdom, p. 557-560, (Loughborough Antennas & Propagation Conference 2009, Loughborough, United Kingdom, November 16-17, 2009).

Research output: Working paperProfessional

22 Citations (Scopus)

Compact 3-D on-wafer radiation pattern measurement system for 60 GHz antennas

Ranvier, S., Kyrö, M., Icheln, C., Luxey, C., Staraj, R. & Vainikainen, P., 2009, In : Microwave and Optical Technology Letters. 51, 2, p. 319-324

Research output: Contribution to journalArticleScientificpeer-review

Effects of nearby metallic patches on an antenna based on segmented mobile terminal chassis

Valkonen, R., Poutanen, J., Holopainen, J., Icheln, C. & Vainikainen, P., 2009, 3rd European Conference on Antennas and Propagation (EuCap 2009), Berlin, Germany, March 23-27, 2009. Berlin, Germany: VDE Verlag, p. 538-542

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

4 Citations (Scopus)

Measurement Based Mutual Information Analysis of Beam Steering in the 60 GHz Band

Kyrö, M., Ranvier, S., Icheln, C. & Vainikainen, P., 2009, Berlin, Germany, p. 332-335, (3rd European Conference on Antennas and Propagation (EuCap 2009), Berlin, Germany, March 23-27, 2009).

Research output: Working paperProfessional

4 Citations (Scopus)

Measurement-Based Mutual Information Analysis of MIMO Antenna Selection in the 60-GHz Band

Ranvier, S., Icheln, C. & Vainikainen, P., 2009, In : IEEE Antennas and Wireless Propagation Letters. 8, p. 686-689

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Mobile terminal antennas implemented using optimized direct feed

Holopainen, J., Villanen, J., Valkonen, R., Poutanen, J., Kivekäs, O., Icheln, C. & Vainikainen, P., 2009, iWAT 2009 IEEE International Workshop on Antenna Technology, Santa Monica, California, USA, March 2-4, 2009. Santa Monica, California, USA, p. 1569164321

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

5 Citations (Scopus)

More than 20 antenna elements in future mobile phones, threat or opportunity?

Vainikainen, P., Holopainen, J., Icheln, C., Kivekäs, O., Kyrö, M., Mustonen, M., Ranvier, S., Valkonen, R. & Villanen, J., 2009, 3rd European Conference on Antennas and Propagation (EuCap 2009), Berlin, Germany, March 23-27, 2009. Berlin, Germany, p. 2940-2943

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

34 Citations (Scopus)

Near-Field Control of Handset Antennas Based on Inverted-Top Wavetraps: Focus on Hearing-Aid Compatibility

Holopainen, J., Ilvonen, J., Kivekäs, O., Valkonen, R., Icheln, C. & Vainikainen, P., 2009, In : IEEE Antennas and Wireless Propagation Letters. 8, p. 592-595

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)

Recent advances in coupling-based antenna structures for mobile terminals

Holopainen, J., Valkonen, R., Icheln, C., Kivekäs, O. & Vainikainen, P., 2009, iWAT 2009 IEEE International Workshop on Antenna Technology, Santa Monica, California, USA, March 2-4, 2009. Santa Monica, California, USA, p. 1569175801

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Research activities on small antenna measurements at Helsinki University of Technology

Laitinen, T., Ranvier, S., Toivanen, J., Ilvonen, J., Nyberg, L., Krogerus, J., Icheln, C. & Vainikainen, P., 2009, iWAT 2009 IEEE International Workshop on Antenna Technology, Santa Monica, California, USA, March 2-4, 2009. Santa Monica, California, USA, p. 15691755851

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

VNA-Based Wideband 60 GHz MIMO Channel Sounder with 3-D Arrays

Ranvier, S., Kyrö, M., Haneda, K., Mustonen, T., Icheln, C. & Vainikainen, P., 2009, San Diego, USA, p. 308-311, (IEEE Radio and Wireless Symposium, San Diego, USA, January 18-22, 2009).

Research output: Working paperProfessional

25 Citations (Scopus)
2010

Balanced Antenna Structures of Mobile Terminals

Ilvonen, J., Holopainen, J., Kivekäs, O., Valkonen, R., Icheln, C. & Vainikainen, P., 2010, EUCAP The 4th European Conference on Antennas and Propagation (EuCAP 2010), Barcelona, Spain, April 12-16, 2010. Barcelona, Spain, p. 1-5

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

9 Citations (Scopus)

Effects of mutual coupling and ports isolation on the channel capacity

Ranvier, S., Luxey, C., Staraj, R., Icheln, C. & Vainikainen, P., 1 Apr 2010, In : Microwave and Optical Technology Letters. 52, 4, p. 994-998 5 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Frequency-Reconfigurable Mobile Terminal Antenna with MEMS Switches

Valkonen, R., Luxey, C., Holopainen, J., Icheln, C. & Vainikainen, P., 2010, EUCAP The 4th European Conference on Antennas and Propagation (EuCAP 2010), Barcelona, Spain, April 12-16, 2010. Barcelona, Spain

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

27 Citations (Scopus)

Internal Broadband Antennas for Digital Television Receiver in Mobile Terminals

Holopainen, J., Kivekäs, O., Icheln, C. & Vainikainen, P., 2010, In : IEEE Transactions on Antennas and Propagation. 58, 10, p. 3363-3374

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)

Measurement of loop-back interference channels for outdoor-to-indoor full duplex radio relays

Haneda, K., Kahra, E., Wyne, S., Icheln, C. & Vainikainen, P., 2010, EUCAP The 4th European Conference on Antennas and Propagation (EuCAP 2010), Barcelona, Spain, April 12-16, 2010. Barcelona, Spain, p. 1-5

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

78 Citations (Scopus)

Performance Analysis of Broadband Coupling Element-Based Multiantenna Structure for Mobile Terminal with Hand Effects

Bin Abdullah Al-Hadi, A., Ilvonen, J., Valkonen, R., Holopainen, J., Kivekäs, O., Icheln, C. & Vainikainen, P., 2010, PIMRC The 21st IEEE Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), Istanbul, Turkey, September 26-30, 2010. Istanbul, Turkey: IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

4 Citations (Scopus)
2011

Avoiding the interaction between hand and capacitive coupling element based mobile terminal antenna

Valkonen, R., Ilvonen, J., Rasilainen, K., Holopainen, J., Icheln, C. & Vainikainen, P., 2011, EUCAP5th European Conference on Antennas and Propagation (EuCAP 2011), Rome, Italy, Apr. 11-15, 2011. Rome, Italy, p. 2781

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

13 Citations (Scopus)

Coupling element-based dual-antenna structures for mobile terminal with hand effects

Azremi, A. A. H., Ilvonen, J., Valkonen, R., Holopainen, J., Kivekäs, O., Icheln, C. & Vainikainen, P., Sep 2011, In : International Journal of Wireless Information Networks. 18, 3, p. 146-157 12 p.

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Coupling Element Based Dual-Antenna Structures with Hand Effects

Bin Abdullah Al-Hadi, A., Ilvonen, J., Valkonen, R., Holopainen, J., Kivekäs, O., Icheln, C. & Vainikainen, P., 2011, In : International Journal of Wireless Information Networks. 18, 3, p. 146-157

Research output: Contribution to journalArticleScientificpeer-review

Effect of the User's Hands on the Operation of Lower UHF-Band Mobile Terminal Antennas: Focus on Digital Television Receiver

Holopainen, J., Kivekäs, O., Ilvonen, J., Valkonen, R., Icheln, C. & Vainikainen, P., 2011, In : IEEE Transactions on Electromagnetic Compatibility. 53, 3, p. 831-841

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)
2012

Mobile Communication Terminals

Icheln, C., Martinez-Vazquez, M., Peixeiro, C., Luxey, C., Sharaiha, A., Antonino-Daviu, E. & Serrano, R., 2012, Handbook on Small Antennas. Jofre, L., Martinez-Vazquez, M., Serrano, R. & Roqueta, G. (eds.). 1. ed. ed. Brussels

Research output: Chapter in Book/Report/Conference proceedingChapterScientific

Power Dissipation in Mobile Antenna Tuning Circuits Under Varying Impedance Conditions

Valkonen, R., Icheln, C. & Vainikainen, P., 2012, In : IEEE Antennas and Wireless Propagation Letters. 11, p. 37-40

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
2013

Advanced self-interference cancellation and multiantenna techniques for full-duplex radios

Korpi, D., Venkatasubramanian, S., Riihonen, T., Anttila, L., Otewa, S., Icheln, C., Haneda, K., Tretyakov, S., Valkama, M. & Wichman, R., 2013, 2013 Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, 3-6 Nov. 2013. Pacific Grove, USA, p. 3-8

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

34 Citations (Scopus)

Capacitive Coupling Element Antennas for Multi-Standard Mobile Handsets

Valkonen, R., Kaltiokallio, M. & Icheln, C., 2013, In : IEEE Transactions on Antennas and Propagation. 61, 5, p. 2783-2791

Research output: Contribution to journalArticleScientificpeer-review

64 Citations (Scopus)

Design and Measurement-Based Evaluation of Multi-Antenna Mobile Terminals for LTE 3500 MHz Band

Bin Abdullah Al-Hadi, A., Jamaly, N., Haneda, K., Icheln, C. & Viikari, V., 2013, In : PROGRESS IN ELECTROMAGNETIC RESEARCH B. 53, p. 241-266

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Dual-feed, single-CCE antenna facilitating inter-band carrier aggregation in LTE-A handsets

Valkonen, R., Lehtovuori, A. & Icheln, C., 2013, 7th European Conference on Antennas and Propagation (EuCAP 2013), Gothenburg, Sweden, April 8-12, 2013. Gothenburg, Sweden, p. 3784-3788

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

6 Citations (Scopus)

Inherently non-resonant multi-band mobile terminal antenna

Valkonen, R., Ilvonen, J., Icheln, C. & Vainikainen, P., 2013, In : Electronics Letters. 49, 1, p. 11-13

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)
2015

Impact of Neutralization on Isolation in Co-Planar and Back-to-Back Antennas

Venkatasubramanian, S. N., Li, L., Icheln, C., Ferrero, F., Luxey, C. & Haneda, K., 2015, 9th European Conference on Antennas and Propagation (EuCAP 2015), Lisbon, Portugal, April 12-17, 2015.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

6 Citations (Scopus)