PhD Clemens Icheln

University Lecturer

Research outputs

  1. 2007
  2. Published

    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. Published

    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

  4. Published

    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

  5. Published

    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

  6. Published

    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 journalArticle

  7. Published

    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

  8. Published

    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

  9. Published

    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 journalArticle

  10. Published

    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

  11. Published

    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

  12. Published

    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

  13. Published

    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

  14. Published

    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

  15. 2006
  16. Published

    A new method for array pattern correction

    Salonen, I., Icheln, C. & Vainikainen, P., 2006, XVI International Conference on Microwaves, Radar and Wireless Communications (MIKON-2006), Krakov, Poland, May 22-26, 2006. Krakov, Poland, p. 1083-1086

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

  17. Published

    Antenna for handheld DVB terminal

    Holopainen, J., Villanen, J., Kyrö, M., Icheln, C. & Vainikainen, P., 2006, iWAT 2006 Small Antennas and Novel Metamaterials, New York, USA, March 6-8, 2006. New York, USA: IEEE, p. Paper 077 (CD-ROM)

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

  18. Published

    Beamforming with wide null sectors for realistic small arrays using directional weighting

    Salonen, I., Icheln, C. & Vainikainen, P., 2006, In : Proceedings of the European Microwave Association. 2, 3

    Research output: Contribution to journalArticle

  19. Published

    Diversity antenna arrangements

    Ollikainen, J., Icheln, C. & Vainikainen, P., 2006, Patent No. US7109923

    Research output: Patent

  20. Published

    Evaluation of diversity and MIMO performance of antennas from phaseless radiation pattern

    Krogerus, J., Suvikunnas, P., 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 363724jk.pdf (CD-ROM SP-626)

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

  21. Published

    Evaluation of the performance of multi-antenna terminals using a new approach

    Suvikunnas, P., Villanen, J., Sulonen, K., Icheln, C., Ollikainen, J. & Vainikainen, P., 2006, In : IEEE Transactions on Instrumentation and Measurement. 55, 5, p. 1804-1813

    Research output: Contribution to journalArticle

  22. Published

    Experimental investigation of antenna performance of GSM phones in body-worn and browsing use positions

    Krogerus, J., Icheln, C. & Vainikainen, P., 2006, European Conference on Wireless Technology (ECWT06), Manchester, UK, September 10-15, 2006. Manchester, UK, p. 330-333

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

  23. Published

    Integrated MIMO antenna with directional diversity in the 60 GHz band

    Ranvier, S., Ferrero, F., Luxey, C., Staraj, R., Jacquemod, G., Icheln, C. & Vainikainen, P., 2006, Sophia Antipolis Microelectronics (SAME) 2006, Nice, France, October 4-5, 2006. Sophia-Antipolis, Nice, France

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

  24. Published

    Integrated MM-wave MIMO antenna with directional diversity using MEMS technology

    Ranvier, S., Ferrero, F., Luxey, C., Staraj, R., Jacquemod, G., Icheln, C. & Vainikainen, P., 2006, IEEE International Conference on Electronics, Circuits and Systems, Nice, France, December 10-13, 2006. Nice, France, p. 447-450

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

  25. Published

    Mobile terminal antennas implemented by using direct coupling

    Holopainen, J., Villanen, J., Icheln, C. & Vainikainen, P., 2006, The first European Conference on Antennas and Propagation 2006 (EuCAP06), Nice, France, November 6-10, 2006. Nice, France, p. Paper 349858jh.pdf (CD-ROM SP-626)

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

  26. Published

    Mutual coupling reduction for patch antenna array

    Ranvier, S., Luxey, C., Staraj, R., Vainikainen, P. & Icheln, C., 2006, Nice, France, p. Paper 350206, (European Conference on Antennas and Propagation 2006 (EuCAP06), Nice, France, November 6-10, 2006).

    Research output: Working paperProfessional

  27. Published

    Pattern correlation and mismatch in two-element antenna arrays

    Salonen, I., Icheln, C. & Vainikainen, P., 2006, In : Microwave and Optical Technology Letters. 48, 1, p. 41-43

    Research output: Contribution to journalArticle

  28. Published

    Rapid small antenna measurements

    Icheln, C., Toivanen, J., Krogerus, J., Laitinen, T. & Vainikainen, P., 2006, 16th International Conference on Microwaves, Radar, and Wireless Communications, MIKON 2006, Krakow, Poland, May 22-24, 2006. Krakow, Poland, p. 995-1002

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

  29. Published

    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

  30. 2005
  31. Published

    Antenna array pattern correlation and input type

    Salonen, I., Icheln, C. & Vainikainen, P., 2005, In : Electronics Letters. 41, 10, p. 575-577

    Research output: Contribution to journalArticle

  32. Published

    A two-arch antenna measurement system

    Laitinen, T., Toivanen, J. & Icheln, C., 2005, 27th Antenna Measurement Techniques Association 2005 AMTA'05, Newport, RI, USA, October 30-November 4, 2005. Newport, RI, USA, p. 459-464

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

  33. Published

    Beamforming with wide null sectors for realistic arrays using directional weighting

    Salonen, I., Icheln, C. & Vainikainen, P., 2005, Espoo, p. 24, (Teknillinen korkeakoulu, Radiolaboratorion julkaisuja - Report S; no. S 274).

    Research output: Working paperProfessional

  34. Published

    Correlation between total radiated power of GSM 900 mobile phone and total dissipated power in a phantom

    Derat, B., Krogerus, J., Bolomey, J-C. & Icheln, C., 2005, EMC Europe Workshop 2005, Rome, Italy, September 19-21, 2005. Rome, Italy, p. 419-422

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

  35. Published

    Dependence of mean effective gain of mobile terminal antennas on side of head

    Krogerus, J., Icheln, C. & Vainikainen, P., 2005, European Conference on Wireless Technology (ECWT05), Paris, France, October 3-4, 2005. Paris, France, p. 467-470

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

  36. Published

    Effect of human body on 3-D radiation pattern and efficiency of mobile handsets

    Krogerus, J., Icheln, C. & Vainikainen, P., 2005, IEEE Instrumentation and Measurement Conference IMTC'05, Ottawa, Canada, May 16-19, 2005. Ottawa, Canada, p. 271-276

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

  37. Published

    Microstrip antenna circuit model and linear pattern correction

    Salonen, I., Icheln, C. & Vainikainen, P., 2005, 11th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM 2005), Saint-Malo, France, June 15-17, 2005. Saint-Malo, France, p. 182-183

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

  38. Published

    Spherical wideband measurement system for mobile terminal antennas

    Toivanen, J., Laitinen, T., Icheln, C. & Vainikainen, P., 2005, 2nd IASTED Conference on Antennas, Radar and Wave Propagation, Banff, Alberta, Canada, July 19-21, 2005. Hamza, M. H. (ed.). Banff, Alberta, Canada: International Association of Science and Technology for Development (IASTED), p. 360-365

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

  39. Published

    The dependency of pattern correlation on mutual couling and losses in antenna arrays

    Salonen, I., Icheln, C. & Vainikainen, P., 2005, In : Microwave and Optical Technology Letters. 47, 2, p. 145-147

    Research output: Contribution to journalArticle

  40. 2004
  41. Published

    Advances in diversity performance analysis of mobile terminal antennas

    Villanen, J., Suvikunnas, P., Icheln, C., Ollikainen, J. & Vainikainen, P., 2004, International Symposium on Antennas and Propagation (ISAP), Sendai, Japan, 17.-21.8.2004. Sendai, Japan: The Institute of Electronics, Information and Communication Engineering, p. paper 3A3_3.pdf

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

  42. Published

    Development of a spherical measurement system for measuring complex radiation patterns of mobile terminals

    Laitinen, T., Icheln, C. & Vainikainen, P., 2004, Barcelona, Spain, p. 4, (COST 284).

    Research output: Working paperProfessional

  43. Published

    Evaluation of performance of multi-antenna terminals using two approaches

    Suvikunnas, P., Sulonen, K., Villanen, J., Icheln, C., Ollikainen, J. & Vainikainen, P., 2004, Instrumentation and Measurement Technology Conference, Como, Italy, May 18-19, 2004. p. 1091-1096

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

  44. Published

    Spherical measurement system for determination of complex radition patterns of mobile terminals

    Laitinen, T., toivanen, J., Icheln, C. & Vainikainen, P., 2004, In : Electronics Letters. 40, 22, p. 1392-1394

    Research output: Contribution to journalArticle

  45. Published

    Use of balun chokes in small-antenna radiation measurements

    Icheln, C., Krogerus, J. & Vainikainen, P., 2004, In : IEEE Transactions on Instrumentation and Measurement. 53, 2, p. 498-506

    Research output: Contribution to journalArticle

  46. 2003
  47. Published

    Internal multiband handset antenna realized with an integrated matching circuit

    Ollikainen, J., Kivekäs, O., Icheln, C. & Vainikainen, P., 2003, 12th International Conference on Antennas and Propagation ICAP 2003, Exeter, UK, March 31-April 3, 2003. Exeter, UK, p. 629-632

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

  48. Published

    Rapid spherical 3-D field measurement system for mobile terminal antennas

    Laitinen, T., Ollikainen, J., Icheln, C. & Vainikainen, P., 2003, Vail, CO, USA, p. 968-972, (IMTC-2003, IEEE Instrumentation and measurement technology conference, Vail, CO, USA, May 20-22, 2003).

    Research output: Working paperProfessional

  49. Published

    Rapid spherical 3-D measurement system for mobile terminal antennas

    Laitinen, T., Ollikainen, J., Icheln, C. & Vainikainen, P., 2003, Pariisi, Ranska, p. 5, (COST 273 Temporary Documents; no. TD(03)134).

    Research output: Working paperProfessional

  50. 2001
  51. Published

    Effects of RF Absorbers on Measurements of Small Antennas in Small Anechoic Chambers

    Icheln, C., Ollikainen, J. & Vainikainen, P., 2001, In : IEEE Aerospace and Electronic Systems Magazine. 16, 11, p. 17-20

    Research output: Contribution to journalArticle

  52. Published

    Experimental Determination of the Loss Mechanisms in a Mobile Handset Chassis

    Icheln, C. & Vainikainen, P., 2001, IEEE Instrumentation and Measurement Technology Conference, Budapest, Hungary, May 21-23, 2001. Budapest, Hungary: IEEE, p. 1277-1280

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

  53. 2000
  54. Published

    Designing a dual-frequency balun to eliminate the effect of RF feed cabels in measurements of small antennas

    Icheln, C. & Vainikainen, P., 2000, Abstracts of the URSI/ XXV National Conference Radio Science, Helsinki, Finland, September 21-22, 2000. Helsinki, Finland, p. 94-95

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

  55. Published

    Dual-frequency balun to decrease influence of RF feed cables in small-antenna measurements

    Icheln, C. & Vainikainen, P., 2000, In : Electronics Letters. 36, 21, p. 1760-1761

    Research output: Contribution to journalArticle

  56. Published

    Optimal reduction of the influence of RF feed cables in small antenna measurements

    Icheln, C., Popov, M. & Vainikainen, P., 2000, In : Microwave and Optical Technology Letters. 25, 3, p. 194-196

    Research output: Contribution to journalArticle

  57. 1999
  58. Published

    Reducing the influence of feed cables on small antenna measurement

    Icheln, C., Ollikainen, J. & Vainikainen, P., 1999, In : Electronics Letters. 35, 15, p. 1212-1213

    Research output: Contribution to journalArticle

ID: 55393