| Resonator-based analysis of the combination of mobile handset antenna and chassis P Vainikainen, J Ollikainen, O Kivekas, K Kelander IEEE transactions on antennas and propagation 50 (10), 1433-1444, 2002 | 596 | 2002 |
| Angular power distribution and mean effective gain of mobile antenna in different propagation environments K Kalliola, K Sulonen, H Laitinen, O Kivekas, J Krogerus, P Vainikainen IEEE transactions on vehicular technology 51 (5), 823-838, 2002 | 304 | 2002 |
| Coupling element based mobile terminal antenna structures J Villanen, J Ollikainen, O Kivekas, P Vainikainen IEEE Transactions on Antennas and Propagation 54 (7), 2142-2153, 2006 | 274 | 2006 |
| Bandwidth, SAR, and efficiency of internal mobile phone antennas O Kivekas, J Ollikainen, T Lehtiniemi, P Vainikainen IEEE Transactions on Electromagnetic compatibility 46 (1), 71-86, 2004 | 205 | 2004 |
| Tunable antenna for wireless communication terminals J Ollikainen, O Kivekäs, P Vainikainen US Patent 6,650,295, 2003 | 187 | 2003 |
| Internal dual-band patch antenna for mobile phones J Ollikainen, O Kivekäs, A Toropainen, P Vainikainen Millenium Conference on Antennas & Propagation, Davos, 1111, 2000 | 103 | 2000 |
| Mobile terminal antenna performance with the user's hand: Effect of antenna dimensioning and location J Ilvonen, O Kivekas, J Holopainen, R Valkonen, K Rasilainen, ... IEEE Antennas and Wireless Propagation Letters 10, 772-775, 2011 | 87 | 2011 |
| Compact antenna structures for mobile handsets J Villanen, J Ollikainen, O Kivekas, P Vainikainen 2003 IEEE 58th Vehicular Technology Conference. VTC 2003-Fall (IEEE Cat. No …, 2003 | 85 | 2003 |
| Dielectric antenna O Kivekäs, J Ollikainen, J Juntunen, P Vainikainen US Patent 6,903,692, 2005 | 82 | 2005 |
| More than 20 antenna elements in future mobile phones, threat or opportunity? P Vainikainen, J Holopainen, C Icheln, O Kivekas, M Kyro, M Mustonen, ... 2009 3rd European Conference on Antennas and Propagation, 2940-2943, 2009 | 59 | 2009 |
| Broadband equivalent circuit model for capacitive coupling element–based mobile terminal antenna J Holopainen, R Valkonen, O Kivekas, J Ilvonen, P Vainikainen IEEE Antennas and Wireless Propagation Letters 9, 716-719, 2010 | 55 | 2010 |
| On the general energy‐absorption mechanism in the human tissue O Kivekäs, T Lehtiniemi, P Vainikainen Microwave and Optical Technology Letters 43 (3), 195-201, 2004 | 47 | 2004 |
| Internal broadband antennas for digital television receiver in mobile terminals J Holopainen, O Kivekäs, C Icheln, P Vainikainen IEEE Transactions on Antennas and Propagation 58 (10), 3363-3374, 2010 | 44 | 2010 |
| Frequency-tunable internal antenna for mobile phones O Kivekäs, J Ollikainen, P Vainikainen Proc. 12th Int. Symp. on antennas, 53-56, 2002 | 43 | 2002 |
| Effect of the user's hands on the operation of lower UHF-band mobile terminal antennas: Focus on digital television receiver J Holopainen, O Kivekäs, J Ilvonen, R Valkonen, C Icheln, P Vainikainen IEEE Transactions on electromagnetic Compatibility 53 (3), 831-841, 2011 | 41 | 2011 |
| Effect of the chassis length on the bandwidth, SAR, and efficiency of internal mobile phone antennas O Kivekäs, J Ollikainen, T Lehtiniemi, P Vainikainen Microwave and Optical Technology Letters 36 (6), 457-462, 2003 | 41 | 2003 |
| Design of high-efficiency antennas for mobile communications devices O Kivekäs Helsinki University of Technology, 2005 | 40 | 2005 |
| Low-loss tuning circuits for frequency-tunable small resonant antennas J Ollikainen, O Kivekas, P Vainikainen The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio …, 2002 | 39 | 2002 |
| Internal multiband handset antenna realized with an integrated matching circuit J Ollikainen, O Kivekas, C Ichein, P Vainikainen IET Digital Library, 2003 | 37 | 2003 |
| Performance analysis of small antennas mounted on mobile handset P Vainikainen, J Ollikainen, O Kivekäs, I Kelander COST-259 Final Workshop-The Mobile Terminal and Human Interaction, Bergen …, 2000 | 32 | 2000 |
