Naturally non-selective handset antennas with good robustness against impedance mistuning

Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012

Volumn , Issue , 2012, Pages 796-800

  Valkonen, Risto ^a   Ilvonen, Janne ^a   Vainikainen, Pertti ^a  

^a AALTO UNIVERSITY   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

CAPACITIVE COUPLINGS; COUPLING ELEMENT; DETUNINGS; ELECTROMAGNETIC INTERACTIONS; EXPERIMENTAL STUDIES; HANDSET ANTENNA; MATCHING CIRCUIT; MISTUNING; MOBILE TERMINAL ANTENNAS;

DIRECTIVE ANTENNAS;

TELEPHONE SETS;

EID: 84862883485     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/EuCAP.2012.6206473     Document Type: Conference Paper

References (11)

1. J. Villanen, J. Ollikainen, O. Kivekäs, and P. Vainikainen, "Coupling element based mobile terminal antenna structures," IEEE Trans. Antennas Propag., vol. 54, no. 7, pp. 2142-2153, Jul. 2006.
2. A. Andujar, J. Anguera, and C. Puente, "Ground plane boosters to provide multi-band operation in wireless handheld devices," in Proc. 5th European Conf. Antennas and Propagation (EUCAP), 2011, pp. 599-603.
3. R. Valkonen, C. Luxey, J. Holopainen, C. Icheln, and P. Vainikainen, "Frequency-reconfigurable mobile terminal antenna with MEMS switches," in Proc. Fourth European Conf. Antennas and Propagation (EuCAP), 2010, pp. 1-5.
4. L. J. Chu, "Physical limitations of omnidirectional antennas," Journal of Applied Physics, vol. 19, no. 12, pp. 1163-1175, Dec. 1948.
5. J. S. McLean, "A re-examination of the fundamental limits on the radiation Q of electrically small antennas," IEEE Trans. Antennas Propag., vol. 44, no. 5, p. 672, May 1996.
6. K. R. Boyle, Y. Yuan, and L. P. Ligthart, "Analysis of mobile phone antenna impedance variations with user proximity," IEEE Trans. Antennas Propag., vol. 55, no. 2, pp. 364-372, 2007.
7. R. Valkonen, J. Ilvonen, K. Rasilainen, J. Holopainen, C. Icheln, and P. Vainikainen, "Avoiding the interaction between hand and capacitive coupling element based mobile terminal antenna," in Proc. 5th European Conf. Antennas and Propagation (EUCAP), 2011, pp. 2781-2785.
8. International Commission on Non-Ionizing Radiation Protection (ICNIRP), "Guidelines for limiting exposure to time-varying electric, magnetic and electromagnetic fields (up to 300 GHz)," Health Physics, vol. 74, no. 4, pp. 494-522, April 1998.
9. C.-H. Li, E. Ofli, N. Chavannes, and N. Kuster, "Effects of hand phantom on mobile phone antenna performance," IEEE Trans. Antennas Propag., vol. 57, no. 9, pp. 2763-2770, 2009.
10. T. A. Laitinen, J. Toivanen, C. Icheln, and P. Vainikainen, "Spherical measurement system for determination of complex radiation patterns of mobile terminals," Electronics Letters, vol. 40, no. 22, pp. 1392-1394, 2004.
11. P. Vainikainen, J. Ollikainen, O. Kivekas, and K. Kelander, "Resonatorbased analysis of the combination of mobile handset antenna and chassis," IEEE Trans. Antennas Propag., vol. 50, no. 10, pp. 1433-1444, Oct. 2002.