Title: | Performance enhancement of small antennas and applications in RFID Pienten antennien suorituskyvyn parantaminen sekä sovelluksia etälukuun |
Author(s): | Hirvonen, Mervi |
Date: | 2008-10-07 |
Language: | en |
Pages: | 45, [57] |
ISBN: | 978-951-38-7109-3 |
Series: | VTT publications, 688 |
ISSN: | 1455-0849 |
Subject: | Electrical engineering |
Keywords: | small antennas, RFID, wireless sensors, quality factor, near-zero permittivity, non-Foster tuning, multi-port antennas, platform insensitivity, dual-band, backscattering measurement |
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Abstract:Väitöskirjatyö käsittelee pienten antennien suorituskyvyn parantamista sekä etälukuun (RFID) ja langattomiin antureihin soveltuvien antennien suunnittelua ja mittausta. Työ koostuu kahdeksasta tieteellisestä julkaisusta sekä yhteenvedosta, jossa on esitetty pienten antennien peruskäsitteitä sekä alan aikaisempia tutkimustuloksia. |
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Parts:M. Hirvonen and J. C.-E. Sten, Power and Q of a horizontal dipole over a metamaterial coated conducting surface, IEEE Transactions on Antennas and Propagation, vol. 56, no. 3, pp. 684-690, March 2008. [article1.pdf] © 2008 IEEE. By permission.M. Hirvonen and S. A. Tretyakov, Near-zero permittivity substrates for horizontal antennas: Performance enhancement and limitations, Microwave and Optical Technology Letters, vol. 50, no. 10, pp. 2674-2677, Oct. 2008. [article2.pdf] © 2008 John Wiley & Sons. By permission.M. Hirvonen, A. Hujanen, J. Holmberg and J. C.-E. Sten, Bandwidth limitations of dipoles matched with non-Foster impedances, Proceedings of the Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, UK, 11-16 November 2007. [article3.pdf] © 2007 The Institution of Engineering and Technology (IET). By permission.J. C.-E. Sten and M. Hirvonen, Impedance and quality factor of mutually coupled multiport antennas, Microwave and Optical Technology Letters, vol. 50, no. 8, pp. 2034-2039, August 2008. [article4.pdf] © 2008 John Wiley & Sons. By permission.J. C.-E. Sten and M. Hirvonen, Decay of groundplane currents of small antenna elements, IEEE Antennas and Wireless Propagation Letters, vol. 4, pp. 82-84, 2005. [article5.pdf] © 2005 IEEE. By permission.M. Hirvonen, P. Pursula, K. Jaakkola and K. Laukkanen, Planar inverted-F antenna for radio frequency identification, Electronics Letters, vol. 40, no. 14, pp. 848-850, July 2004. [article6.pdf] © 2004 The Institution of Engineering and Technology (IET). By permission.M. Hirvonen, K. Jaakkola, P. Pursula and J. Säily, Dual-band platform tolerant antennas for radio-frequency identification, IEEE Transactions on Antennas and Propagation, vol. 54, no. 9, pp. 2632-2637, Sep. 2006. [article7.pdf] © 2006 IEEE. By permission.P. Pursula, M. Hirvonen, K. Jaakkola and T. Varpula, Antenna effective aperture measurement with backscattering modulation, IEEE Transactions on Antennas and Propagation, vol. 55, no. 10, pp. 2836-2843, Oct. 2007. [article8.pdf] © 2007 IEEE. By permission. |
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