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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2021-03-26 10:35 |
Online | Online | MIMO Antenna Gain for Evaluating the Effective Performance of a Compact MIMO Radio and its Application to Antenna Design Koichi Ogawa (Toyama Univ.)  AP2020-135 |
This paper presents a new figure-of-merit, “MIMO antenna gain” (MAG), for evaluating the effective performance of a hand... [more] | AP2020-135 pp.19-24 |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | [Poster Presentation]
Fundamental Study on Small Handset Antenna Using Characteristic Mode Analysis Naoki Akiyama, Naobumi Michishita (National Defense Academy), Hiroshi Satoh, Yoshio Koyanagi (Panasonic), Hisashi Morishita (National Defense Academy) |
To downsize an antenna part of cellular phone is currently an important issue. In this study, we put emphasis on excitat... [more] | |
| AP (2nd) |
2014-06-27 13:40 |
Ibaraki | AIST | A Study on 3D Radiation Pattern Measurement of Small Handset Antenna Using Optical Electric Field Sensor Tuan Hung Nguyen, Hisashi Morishita (NDA) |
In recent years, to reduce the measurement error raised by coaxial cable, the use of optical fiber and optical electric ... [more] | |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-26 09:30 |
Osaka | Osaka Univ. Convention Center | FDTD Evaluation of SAR Characteristics for 3.5-GHz PIFA above EBG Substrate Shinya Morita, Akimasa Hirata (NIT) PN2011-34 OPE2011-150 LQE2011-136 EST2011-84 MWP2011-52 |
As mobile handset that is used in close proximity to the human body are common in modern life, concerns about the health... [more] | PN2011-34 OPE2011-150 LQE2011-136 EST2011-84 MWP2011-52 pp.5-9 |
| AP | 2012-01-18 11:20 |
Fukuoka | Kyushu Inst. of Tech. | Small Broadband Handset Antenna Using Composite Right/Left-Handed Transmission Line Hirohisa Kitahara, Naobumi Michishita, Yoshihide Yamada (National Defense Academy) AP2011-150 |
Recently, small handset antenna has been investigated. In this paper, a small broadband antenna using a composite right/... [more] | AP2011-150 pp.25-30 |
| AP | 2012-01-10 10:05 |
Okinawa | Tenbusu Naha | Small Broadband Antenna Using Composite Right/Left-Handed Transmission Line for Mobile Handsets Naobumi Michishita, Hirohisa Kitahara, Yoshihide Yamada (National Defense Academy) AP2011-126 |
Recently, small handset antenna has been investigated. In this paper, a small broadband antenna using a composite right/... [more] | AP2011-126 pp.1-2 |
| EMCJ | 2011-09-12 13:30 |
Hokkaido | Hokkaido Univ. | Application of an EBG Structure to 3.5GHz Antenna for Power Absorption Reduction in Human Head Ryo Ikeuchi, Akimasa Hirata (NIT) EMCJ2011-72 |
Much attention has been paid to the human safety against electromagnetic (EM) wave exposure from mobile handsets, becaus... [more] | EMCJ2011-72 pp.7-10 |
| AP | 2010-05-13 14:00 |
Overseas | Southeast Univ. | MIMO Performance of Modulated Scattering Antenna Array in Indoor Environment Lin Wang, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Tech.), Kunio Sawaya (Tohoku Univ.) AP2010-18 |
In this report, the MIMO performance of modulated scattering antenna array (MSAA) is analyzed numerically based on an ap... [more] | AP2010-18 pp.33-36 |
| AP | 2010-04-09 13:25 |
Kyoto | Doshisha Univ. | Maximization of the Channel Capacity of a MIMO Dipole Array by an Optimum Impedance Matching and Its Mechanism Analysis Koichi Ogawa (Panasonic), Toshiteru Hayashi (Panasonic Mobile Communications), Atsushi Yamamoto (Panasonic) AP2010-5 |
In this paper, analytical studies on an optimum matching condition for achieving the maximum channel capacity of a MIMO ... [more] | AP2010-5 pp.19-24 |
| AP | 2010-01-21 09:30 |
Yamaguchi | Yamaguchi University | Compact Balance-fed Folded Dipole Antenna Masaya Hirayama, Jun Itoh, Hisashi Morishita (NDA) AP2009-155 |
Recently, the function of mobile handset is required for many application. So the built-in wide band antennas of mobile ... [more] | AP2009-155 pp.1-6 |
| MW | 2008-11-20 15:15 |
Nagasaki | Nagasaki-Univ. | A Numerical Study on Handset MIMO Antenna by Using Folded Monopole Antennas Franck Pacaud, Yongho Kim, Hisashi Morishita (National Defense Academy) MW2008-128 |
A compact built-in handset antenna for multiple-input multiple-output (MIMO) system, which operates in the UMTS (Univers... [more] | MW2008-128 pp.55-60 |
| MW | 2008-11-20 15:40 |
Nagasaki | Nagasaki-Univ. | A Study on Wideband Characteristics of Folded Dipole Antenna by Using a Electromagnetic Simulator Masaya Hirayama, Takashi Yamano, Kim Yongho, Hisashi Morishita (National Defense Academy) MW2008-129 |
The latest trends in handset unit used in the cellular phone is to reduce the size and the weight. Antenna used for such... [more] | MW2008-129 pp.61-66 |
| AP, SAT (Joint) |
2008-07-24 13:25 |
Hokkaido | Hokkaido University | Experimental Study on MIMO Performance of Modulated Scattering Array Antenna in Indoor Environment Lin Wang, Qiang Chen, Qiaowei Yuan, Kunio Sawaya (Tohoku Univ.) AP2008-60 |
The modulated scattering array antenna (MSAA) is composed of one normal antenna element and several modulated scattering... [more] | AP2008-60 pp.135-138 |
| AP | 2008-04-17 11:10 |
Osaka | Osaka Electro-Communication University | A Multipath Measurement System with a Variable Power Angular Spectrum for Handset MIMO Antennas Tsutomu Sakata, Atsushi Yamamoto, Koichi Ogawa (Matsushita Electric Industrial Co., Ltd.) AP2008-3 |
A measurement system suitable for the evaluation of handset MIMO antennas in a microcell radio propagation environment h... [more] | AP2008-3 pp.13-18 |
| AP | 2008-02-07 15:40 |
Tokyo | NHK | Characteristics of Built-in Folded Dipole Antenna for Handsets Atsushi Kajitani, Yongho Kim, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic Mobile Communications) AP2007-172 |
The latest trends in handset unit used in the cellular phone is to reduce the size and the weight. Antennas used for suc... [more] | AP2007-172 pp.49-54 |
| AP | 2008-01-24 15:40 |
Okinawa | Tyeruru.(Naha) | Study and Reduction of the Mutual Coupling between Two L-shaped Folded Monopole Antennas for Handset Yongho Kim, Jun Itoh, Hisashi Morishita (National Defense Academy) AP2007-146 |
The recent increase of needs for the wireless communication quality has induced the development of multi-antenna system ... [more] | AP2007-146 pp.141-146 |
| AP | 2007-10-19 11:35 |
Aomori | Hirosaki Univ. | An Analysis of the Channel Response of a Handset MIMO Antenna in Street Microcell Environments Koichi Ogawa, Atsushi Yamamoto (Matsushita Electric), Toshiteru Hayashi (Panasonic Mobile Communications) AP2007-97 |
The channel characterization of handset MIMO antennas has been studied in street Microcell environments. We have attempt... [more] | AP2007-97 pp.57-62 |
| AP | 2006-09-07 13:50 |
Tokyo | Ohhashi Kaikan (Ikejiri-Ohhashi, Tokyo) | Calculation method applied GA for multi-mode portable telephone antenna design Tamami Maruyama, Keizo Cho (NTT Docomo) AP2006-72 |
Recently, a great deal of diversity has emerged in mobile phone handsets with respect to the design and functionality. S... [more] | AP2006-72 pp.19-24 |
| AP, RCS (Joint) |
2005-10-21 13:50 |
Akita | Akita Prefectural Univ. | Channel Capacity of a Handset MIMO Antenna Influenced by the effects of 3D Angular Spectrum, Polarization and Human Operator Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa (Panasonic), Jun-ichi Takada (TIT) |
This paper studies on the channel capacity of a handset MIMO antenna in a cellular radio propagation environment. The Mo... [more] | AP2005-107 pp.133-138 |
| RCS, AP, WBS, MW, MoNA | 2005-03-04 15:50 |
Kanagawa | Yokosuka Research Park | Multipath Performance of Handset Adaptive Array Antennas in the Vicinity of a Human Operator Koichi Ogawa, Atsushi Yamamoto (Matsushita Elec.), Jun-ichi Takada (Tokyo Inst. Tech.) |
This paper studies the performance of adaptive array antennas in digital handset systems using the minimum mean square e... [more] | WBS2004-160 AP2004-341 RCS2004-428 MoMuC2004-211 MW2004-338 pp.227-232 |
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