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| 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) |
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] | |
| 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 |
| 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 |
| 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 |
| 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 |
| AP | 2004-09-09 14:30 |
Kanagawa | National Defense Academy in JAPAN | Characteristics of built-in folded monopole antenna for handsets(2) Shogo Hayashida, Tomoki Tanaka, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic), Kyohei Fujimoto (FAIS) |
A folded loop antenna for handset has been introduced as one of balance-fed antenna for handsets, which is very effectiv... [more] | AP2004-128 pp.23-28 |
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