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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 42  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-02-16
Mie Sinfonia Technology Hibiki Hall Ise
(Primary: On-site, Secondary: Online)
[Invited Lecture] Sub-THz Band Horizontally Polarized Reflector Omnidirectional Antenna with TE01 Mode Circular Horn Antenna as Primary Radiator
Shunta Ichikawa, Keisuke Sato, Katsumori Sasaki, Ichiro Oshima (DKK) AP2023-194
Propagation experiments are underway to understand the propagation of the sub-THz band toward 6G. To understand the prop... [more] AP2023-194
- 2024-01-10
Overseas EPU, Hanoi Transmit array elements that tilt beam through glass using Huygens' metamaterials.
Kenta Fujii, Keizo Cho (CIT), Naobumi Michishita (NDA), Hiroaki Nakabayashi (CIT), Takayoshi Sasaki, Warangkana Chaihongsa, Keisuke Sato, Ichiro Oshima (DKK)
In this paper, we discuss the design of a transmit array capable of transmitting 28 GHz band radio waves through glass w... [more]
AP 2022-08-19
Tochigi Tochigi Prefecture Industrial Center
(Primary: On-site, Secondary: Online)
Dual-Polarized Bipartite Huygens' Metasurface with Anomalous Wave Reflection for Local 5G Application at 28.25 GHz
Tanan Hongnara, Takayoshi Sasaki, Yoshiki Shirasawa, Katsumori Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Naobumi Michishita (NDA), Hiroaki Nakabayashi, Keizo Cho (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
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
AP 2022-02-18
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
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
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
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
AP 2021-02-19
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
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
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)

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
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
AP 2019-02-22
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
AP 2018-02-15
Tokyo Kozo Keikaku Engineering, Inc. [Invited Lecture] Performance Evaluation by Composite Type Left-Handed Omni-directional Antenna in Actual Outdoor Environment at 5GHz Band
Kota Shishido, Ichiro Oshima, Takayoshi Sasaki, Keisuke Sato (Denki Kogyo Co. LTD,.), Kentaro Nishimori (Niigata Univ.) AP2017-176
In recent years, small cells have been used due to an increase in traffic of wireless communication. A composite type le... [more] AP2017-176
Fukuoka Fukuoka University [Invited Lecture] Study of antenna arrangement for massive MIMO at 5GHz band
Kota Shishido (Denki Kogyo), Kentaro Nishimori (Niigata Univ.), Katsumori Sasaki, Ichiro Oshima (Denki Kogyo) AP2017-130 RCS2017-235
 [more] AP2017-130 RCS2017-235
pp.119-123(AP), pp.175-179(RCS)
AP 2017-08-25
Hokkaido National Institute of Technology, Hakodate College Dual-Polarized Left-Handed Leaky Wave Antenna Using Grounded Coplanar Transmission Line
Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (Denki Kogyo), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2017-85
In this report, we propose a leaky-wave dual-polarized sector antenna using a CRLH line with grounded coplanar line , as... [more] AP2017-85
- 2017-01-27
Overseas Malaysia-Japan International Institute of Technology (MJIIT) Fabrication of a Dual-polarized Corporate-feed Waveguide 32x32-slot Array Antenna with an Orthomode Transducer for 40 GHz Band
Taihei Fujino, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Katsumori Sasaki, Ichiro Oshima (Denki Kogyo Co., Ltd)
A dual-polarized corporate-feed waveguide 32x32-slot array antenna with an orthomode transducer is designed for 40 GHz b... [more]
AP 2016-05-20
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
AP 2016-03-10
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
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