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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 155  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP
(2nd)
2021-12-02
11:10
Okinawa Miyakojima
(Primary: On-site, Secondary: Online)
A Study on Decoupling Method Operating at Single and Dual-Frequency for Planar Inverted-F Antennas by Using Parasitic Elements
Quang Quan Phung, Naobumi Michishita (National Defense Academy), Hiroshi Sato, Yoshio Koyanagi (Panasonic System Networks R&D Lab.), Hisashi Morishita (National Defense Academy)
In recent years, Multiple-Input Multiple-Output (MIMO) is known as an elemental technology for next-generation communica... [more]
AP, RCS
(Joint)
2021-11-10
14:30
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A study of a miniaturized MACKEY O type with a single-side short circuit
Keito Yokoe, Keisuke Miyashita, Kota Hakamata, Shigeru Makino, Kenzi Ito (KIT) AP2021-103
The MACKEY antenna is designed as a compact antenna that is not affected by the surrounding metal, and it is shown that ... [more] AP2021-103
pp.16-21
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator
Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy)
A choke structure of the sleeve antenna is required to suppress the leakage current. However, the choke length is 1/4 wa... [more]
MW, AP
(Joint)
2021-09-10
10:10
Online Online Multipath Cluster Characteristics in Outdoor Open Square Access Environments at 60 GHz
Minseok Kim, Keiichiro Kumakura, Shuaiqin Tang, Hibiki Tsukada (Niigata Univ.) AP2021-61
This paper presented channel sounding measurement results obtained in outdoor open square environments at 60 GHz using a... [more] AP2021-61
pp.23-28
MW, AP
(Joint)
2021-09-10
15:40
Online Online A 920MHz band rectenna with impedance transformed small loop antenna
Yuki Muramoto, Naoki Sakai, Kenji Itoh (KIT) MW2021-37
Small loop antennas have technical features of miniaturized size and less degradation with closing ground metals or huma... [more] MW2021-37
pp.24-29
WBS, MICT 2021-07-30
14:45
Online Online RRI Measurement Results of Several Persons by a VHF-band Small Loop Antenna with an Adaptive Matching Circuit
Saki Wada, Kengo Nishimoto, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric) WBS2021-30 MICT2021-23
There is a radio wave sensor as one of the methods to acquire RRIs without contact. We use a small VHF band antenna that... [more] WBS2021-30 MICT2021-23
pp.45-48
AP, SANE, SAT
(Joint)
2021-07-29
10:50
Online Online Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator
Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2021-34
A choke structure is required to suppress the leakage current of the sleeve antenna. The miniaturized sleeve antenna has... [more] AP2021-34
pp.61-64
AP 2021-06-17
13:50
Online Online Prototype of Multi band orthogonal polarization and Angle MIMO antenna in cellular system
Masayuki Nakano, Yoshiaki Amano (KDDI Research, Inc) AP2021-21
We devised a small, low-profile multi-band MIMO antenna for cellular band such as indoor base
stations that supports m... [more]
AP2021-21
pp.13-18
AP 2021-05-21
13:25
Online Online 3D Measurement Method by Using a Drone for RSSI with a Long-Range Propagation
Aya Asamura, Eiichi Mizuta, Izumi Kawabe, Kohtaroh Sugizono, Hirofumi Kawabata, Toshihiro Sezai, Koji Sunami (JAXA), Mikio Fukushima, Takuji Sasoh (Dolphin System) AP2021-16
This paper reports the 3D measurement method we developed to evaluate RSSI by long-range propagation using a drone with ... [more] AP2021-16
pp.38-43
EMCJ, MICT
(Joint)
2021-03-05
13:55
Online Online Distance dependence of power absorption ratio in a 3-layer half-space model exposed to an E-dipole in millimeter waves
Kenta Someya, Yoshitsugu Kamimura (Utsunomiya Univ.), Ken Sato (NITHC) EMCJ2020-79
In the next-generation mobile communication system 5G, it is expected that the chance of radiating
millimeter-wave ban... [more]
EMCJ2020-79
pp.35-39
AP 2021-02-18
14:25
Online Online [Tutorial Lecture] Compact printed inverted-F antenna for circular polarization
Takafumi Fujimoto (Nagasaki Univ.) AP2020-119
In this paper, the evaluation approach in the bandwidth and the antenna size is discussed for printed compact circularly... [more] AP2020-119
pp.17-22
AP 2021-02-19
15:15
Online Online Simple small diversity antenna switching four states by using two elements
Kengo Nishimoto (Mitsubishi Electric), Ryosuke Kobayashi (Mitsubishi Electric Engineering), Toyohisa Tanaka, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric) AP2020-130
A novel simple method of realizing four-branch switching diversity by a small two-element antenna array is proposed. The... [more] AP2020-130
pp.77-80
WPT, AP
(Joint)
2021-01-21
15:30
Online Online [Tutorial Lecture] Practical Decoupling Circuits for Two-Element Antenna Array
Kengo Nishimoto, Hidetoshi Makimura, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric) AP2020-108
This paper presents two types of practical decoupling circuits for two-element antenna arrays. The first is a small circ... [more] AP2020-108
pp.27-32
AP 2020-12-17
15:40
Online Online Small sized and low profile of Multi band orthogonal polarization MIMO antenna in cellular system
Masayuki Nakano (KDDI Research Inc.) AP2020-102
In cellular system, on 800MHz band vertical polarization monopole antenna with , and tilt deformation horizontal polariz... [more] AP2020-102
pp.33-38
MW, AP
(Joint)
2020-09-25
10:25
Online Online Experimental Result of Antenna Pattern of Small Parabola -- Realization of Broad Beam Antenna by Small Parabola --
Toshihiro Sezai, Kohtaroh Sugizono, Ken Teraoka, Koji Sunami (JAXA), Hidehiko Fujii, Hirosuke Suzuki (KEYCOM) AP2020-62
One of us devised a small parabola antenna for broad beam pattern. We actually manufactured a small parabola antenna and... [more] AP2020-62
pp.133-138
AP, WPT
(Joint)
2020-01-23
09:00
Kagawa Sunport Hall Takamatsu Symmetrical Folded Monopole Antenna with parasitic elements
Takuya Miyasaka, Hiroaki Sakamoto, Shingo Yamaura, Shu Nishioka (Mitsubishi Electric Corp.) AP2019-148
In the small antenna competition hosted by A·P, the average actual gain of antennas in any one direction competes from 1... [more] AP2019-148
pp.1-6
AP, WPT
(Joint)
2020-01-23
09:30
Kagawa Sunport Hall Takamatsu Circular plane-loaded antenna with short circuit structure
Kyohei Yoshida, Hina Watanabe, Daisuke Yamanaka, Rintaro Sasaki, Masaharu Takahashi (Chiba Univ.) AP2019-150
Recently, various kinds of the wireless system such as a smartphone, a tablet, and Wi-Fi has increasingly spread. It is ... [more] AP2019-150
pp.11-14
AP, WPT
(Joint)
2020-01-23
10:00
Kagawa Sunport Hall Takamatsu Desigin of a low profile antenna for 1.4GHz (WMTS) bands
Akihiro Kawata (Fukuda Denshi Co., Ltd.) AP2019-152
A small and low-profile antenna was designed that can be used in the US medical telemeter band (1.395-1.432 GHz, WMTS). ... [more] AP2019-152
pp.19-22
AP, WPT
(Joint)
2020-01-23
10:25
Kagawa Sunport Hall Takamatsu Design and miniaturization of Ψ-Shaped Patch Antenna on spherical surface
Soichi Sakurai, Kohei Jitosho, Wataru Kuramoto, Shihao Chen, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) AP2019-153
In this study, a patch antenna that can obtain a relatively large gain with a single element in the front direction is a... [more] AP2019-153
pp.23-26
AP, WPT
(Joint)
2020-01-23
11:10
Kagawa Sunport Hall Takamatsu Triple Resonances Small Spherical Antenna with Parasitic Elements
Hikaru Takizawa, Takahiro Hashimoto, Takumi Nishime, Nguyen Cong Oai, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2019-156
A small spherical antenna is one of the electrically small antennas which has Q-factor approaching the lower bound on Q.... [more] AP2019-156
pp.37-41
 Results 1 - 20 of 155  /  [Next]  
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