IEICE SEARCH SYSTEM

Yoshio KOYANAGI

Compact Built-In Handset MIMO Antenna Using L-Shaped Folded Monopole Antennas Yongho KIM Toshiteru HAYASHI Yoshio KOYANAGI Hisashi MORISHITA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/06/01 Vol. E91-B No. 6 pp. 1743-1751 Type of Manuscript: Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation) Category: Smart Antennas & MIMO Keyword: handset terminal, folded monopole, multiple-input multiple-output (MIMO), correlation coefficient, mean effective gain (MEG),
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Switched-Beam Slot Antenna over Electromagnetic Band-Gap Reflector Hiroyuki UNO Yutaka SAITO Yoshio KOYANAGI Satoshi YAGITANI Isamu NAGANO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2263-2270 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Antennas Keyword: switched-beam antenna, tilted beam, electromagnetic band-gap(EBG) reflector, slot antenna,
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Simple Modeling of an Abdomen of Pregnant Women and Its Application to SAR Estimation Hiroki KAWAI Koichi ITO Masaharu TAKAHASHI Kazuyuki SAITO Takuya UEDA Masayoshi SAITO Hisao ITO Hisao OSADA Yoshio KOYANAGI Koichi OGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3401-3410 Type of Manuscript: PAPER Category: Electromagnetic Compatibility(EMC) Keyword: fetus, pregnant women, amniotic fluid, SAR, FDTD method,
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Characteristics of Built-In Folded Monopole Antenna for Handsets Shogo HAYASHIDA Tomoki TANAKA Hisashi MORISHITA Yoshio KOYANAGI Kyohei FUJIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2275-2283 Type of Manuscript: Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation) Category: Keyword: handset antenna, folded monopole antenna, low profile, small size,
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Attenuation Characteristics of the SAR in a COST244 Phantom with Different EM Source Locations and Sizes Shoichi KAJIWARA Atsushi YAMAMOTO Koichi OGAWA Akihiro OZAKI Yoshio KOYANAGI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2391-2400 Type of Manuscript: Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation) Category: Keyword: SAR, attenuation characteristic, COST244 phantom, lossy medium, spatial spread of energy,
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A Folded Loop Antenna System for Handsets Developed and Based on the Advanced Design Concept Yongho KIM Hisashi MORISHITA Yoshio KOYANAGI Kyohei FUJIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/09/01 Vol. E84-B No. 9 pp. 2468-2475 Type of Manuscript: Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems) Category: Mobile Antennas Keyword: small antenna, handset, design concept, balanced system, body effect,
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