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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 22  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2022-08-19
11:20
Tochigi Tochigi Prefecture Industrial Center
(Primary: On-site, Secondary: Online)
Dual-Polarized Biparite Huygens'Metasaurface with Anomalous Wave Reflection for Local 5G Application
Tanan Hongnara, Takayoshi Sasaki, Yoshiki Shirasawa, Katsumori Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Keizo Cho (CIT), Naobumi Michishita (NDA), Hiroaki Nakabayashi (CIT) AP2022-66
This paper presents a design of dual-polarized bipartite Huygens’s metasurface (HMTS) for Local 5G application at 28.25 ... [more] AP2022-66
pp.11-16
AP, SANE, SAT
(Joint)
2022-07-29
12:40
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
A Study of equivalent circuit parameters of Huygens' metasurface lense capable of changing transmission phase with low loss
Maria Ishida, Keizo Cho (Chiba Inst of Tech), Naobumi Michishita (National Defense Academy), Tanan Hongnara, Takayoshi sasaki, Warangkana Chaihongsa, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst of Tech) AP2022-58
Huygens metasurfaces have attracted attention as a method of constructing thin lenses. In this report, we present the re... [more] AP2022-58
pp.135-139
AP
(2nd)
2022-06-10
15:25
Hokkaido Nemuro General Cultural Center
(Primary: On-site, Secondary: Online)
[Invited Lecture] Evaluating the Radio Characteristics of the O-RAN Radio unit for Macro Cell
Yusuke Suzuki (DKK)
 [more]
AP 2022-02-18
12:40
Online Online [Invited Lecture] A curvilinearly tapered dielectric rod antenna with stair-step approximation
Keisuke Sato, Ichiro Oshima (DKK) AP2021-172
A curvilinearly tapered dielectric rod antenna that can be achieved high antenna gain has been revealed. In this paper, ... [more] AP2021-172
pp.78-80
AP, RCS
(Joint)
2021-11-11
09:55
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
Prototype Evaluation of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna
Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-110
Multi-band base station antennas have the problem that interference to adjacent areas increases in the low frequency ban... [more] AP2021-110
pp.56-60
AP, RCS
(Joint)
2021-11-11
15:35
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
[Tutorial Lecture] Base Station Antenna Technologies for Mobile Communication and Area Expansion Solutions for 5G
Ichiro Oshima (DKK) AP2021-119
 [more] AP2021-119
pp.97-102
MW, AP
(Joint)
2021-09-09
14:00
Online Online Matching Circuit Design of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna
Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-56
In a base station antenna that shares multiple frequency bands, The direction of radiation is the same in the shared fre... [more] AP2021-56
pp.1-5
AP 2021-02-19
13:25
Online Online [Invited Lecture] Propagation Characteristics for Different Antennas in 28 GHz Band
Ichiro Oshima, Noboru Sekino (DKK), Tetsuro Imai (TDU) AP2020-126
Propagation measurements were performed for local 5G area design in the 28 GHz band by changing the antenna type outdoor... [more] AP2020-126
pp.56-61
AP, RCS
(Joint)
2019-11-21
11:20
Saga Saga Univ. Equivalent circuit parameters reducing beam squint of left-handed leaky wave antenna
Kazuki Terada, Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA), Ichiro Oshima (DKK) AP2019-122
A rod-like leaky wave antenna composed of CRLH transmission lines has been proposed as a base station antenna for small ... [more] AP2019-122
pp.91-94
AP, RCS
(Joint)
2019-11-22
10:55
Saga Saga Univ. [Tutorial Lecture] Application of Meta-material to Base Station Antennas for Mobile Communication Systems
Keizo Cho (Chiba Inst. Tech), Naobumi Michishita (National Defense Academy), Ichiro Oshima (DKK) AP2019-133 RCS2019-228
 [more] AP2019-133 RCS2019-228
pp.145-150(AP), pp.139-144(RCS)
AP
(2nd)

Overseas Hotel Istana, Kuala Lumpur Phase Variation Analysis of Leaky Wave Antenna Composed of CRLH Transmission Line Using Equivalent Circuit
Kazuki Terada, Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK)
A leaky wave antenna configured by CRLH transmission lines has been proposed. There is a problem that the direction of t... [more]
WPT 2019-03-08
10:25
Kyoto Kyoto Univ. Uji Campus A study on the OTA measurement for the interference of the wireless power transmission
Keisuke Sato, Noboru Sekino, Hayate Kimoto, Syo Yoshida, Ichiro Oshima (DKK), Kentaro Nishimori (Niigata Univ.) WPT2018-85
Wireless power transmitter (WPT) using microwaves must have a technology of reduction interference to the existing wirel... [more] WPT2018-85
pp.109-112
AP 2019-02-22
14:25
Osaka Sumitomo Electric Industries (Osaka Works) [Invited Lecture] CRLH Transmission Line Leaky Wave Antenna with Dual Band and Dual Polarized Wave by Grounded Coplanar Transmission Line
Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2018-183
The authors have developed a left-handed leaky wave sector antenna with a grounded coplanar line so far. In this report,... [more] AP2018-183
pp.77-82
AP 2016-05-20
15:40
Hyogo kobe Univ. Simulation Evaluation of Cell Quality by Beam Control on Active Array Antenna System
Masayuki Nakano, Toru Kitayabu (KDDI R&D Labs.), Keisuke Sato, Ichiro Oshima (DKK) AP2016-30
Active array antenna system (AAS) is considered as the base station of the next generation. In order to reduce the inter... [more] AP2016-30
pp.77-82
AP 2016-03-10
10:55
Yamanashi Isawa Onsen (Kanpo no Yado) Equivalent Circuit Design of Unit Cell in Frequency Dispersive Phase Shifter Enlarging Frequency Dispersion of Phase Characteristics for Multi-Band Base Station Antenna
Yasuhito Yanagisawa, Ryuji Kataoka, Keizo CHO (CIT), Naobumi Michishita (NDA), Ichiro Oshima (DKK) AP2015-205
Frequency dispersive phase shifter for a multi-band base station antenna, which is capable of increasing the communicati... [more] AP2015-205
pp.7-11
MW, AP
(Joint)
2015-09-17
11:30
Tochigi Oyama National College of Tech. [Tutorial Lecture] Attraction of the Antenna as Viewed from the Object Making
Tsuyoshi Shimoda, Koji Sobajima (DKK) AP2015-81
With the advancement of wireless communication, many kinds of antenna have been introduced to the market. Designed based... [more] AP2015-81
pp.11-14
MW, AP
(Joint)
2015-09-18
12:45
Tochigi Oyama National College of Tech. Field Evaluation of Cell Quality by Beam Control with Active Array Antenna System
Masayuki Nakano, Toru Kitayabu (KDDI R&D Labs.), Shohei Natori, Keisuke Sato, Ichiro Oshima (DKK), Koji Miyata, Hisahiro Hayashi, Kazuhiro Gosui (KDDI) AP2015-90
Active array antenna system (AAS) is considered as the base station of the next generation. In order to reduce the inter... [more] AP2015-90
pp.59-64
AP 2015-05-22
13:00
Nara Naraken Shakai Fukushi Sougou Center (Kashihara City) Left-Handed Band Leaky Wave Omnidirectional Antenna
Ichiro Oshima, Takuya Seki (DKK), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2015-27
We propose a novel leaky-wave omnidirectional antenna using a coplanar-strip-type composite right/left-handed (CRLH) lin... [more] AP2015-27
pp.47-50
AP 2015-02-19
14:35
Hyogo Chusho-kigyou center at Amagasaki-City [Invited Lecture] Dual-Polarized Base Station Antenna Design for a Robust Multi-User MIMO System
Ichiro Oshima (DKK), Yoshio Karasawa (UEC) AP2014-195
The optimal configuration for a four- element linear array was previously proposed as an antenna array configuration for... [more] AP2014-195
pp.49-53
AP 2014-02-07
10:00
Aichi Kojima Industries Corporation, Kojima Research Center [Invited Lecture] Study of Measurement Method of Transmitter Characteristecs of Active Array Antenna for Cellular Base Station
Yukitaka Takahashi, Shohei Natori, Keisuke Sato, Ichiro Oshima (DKK), Toru Kitayabu, Masayuki Nakano (KDDI Lab.) AP2013-177
Active array Antenna System (AAS) is expected for base station antenna of next generation mobile communication system (I... [more] AP2013-177
pp.63-68
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