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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP
(2nd)
2024-01-08
- 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 2023-02-16
14:15
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Compact Beam Forming Antenna based on Phase Gradient Huygen's Transmitarray and Fabry-Perot Antenna Source
Takayoshi Sasaki, Tanan Hongnara, Yoshiki Shirasawa, Warangkana Chaihongsa, Katsumori Sasaki, Keisuke Sato, Ichiro Ohshima (DKK), Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA) AP2022-217
In this report, we propose a compact and low profile antenna with controllable directivity by combining a Fabry-Perot re... [more] AP2022-217
pp.111-115
AP 2022-08-19
11:20
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
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, 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
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
(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]
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 2018-02-15
13:35
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
pp.1-5
AP, WPT
(Joint)
2018-01-18
11:05
Nara ATR [Invited Lecture] Improvement of receiving efficiency of Rectenna
Shuta Morinaga, Takayoshi Sasaki, Hayate Kimoto (Denki Kogyo) WPT2017-56
 [more] WPT2017-56
pp.5-10
AP 2017-08-25
13:20
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
pp.93-98
AP
(2nd)
2016-02-29
15:25
Overseas Telecommunications University, Nha Trang, Vietnam Prototype evaluation of Reflector Backed Dipole antenna with Folded Loop-shaped Parasitic Elements
Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO)
It has been reported that loading the Loop-shaped Parasitic Element can expand the operating frequency band of the Refle... [more]
AP, RCS, WPT, SAT
(Joint)
2015-11-05
15:00
Okinawa Okinawa Prefectural Museum & Art Museum Effect by Folded Loop Elements for Reflector Backed Dipole Antenna Using Loop Parasitic Elements
Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Taisuke Ihara, Tatsuhiko Yoshihara (NTT DOCOMO) AP2015-140
It has been reported that loading the Loop-shaped Parasitic Element can expand the operating frequency band of the Refle... [more] AP2015-140
pp.173-178
AP 2015-01-23
13:55
Ehime Ehime University Bandwidth Enlargement of Reflector Backed Dipole Antenna Using Loop Parasitic Elements
Takayoshi Sasaki, Keizo Cho (Chiba Inst. of Tech.), Taisuke Ihara, Tatsuhiko Yoshihara (NTT DOCOMO) AP2014-181
 [more] AP2014-181
pp.115-120
 Results 1 - 14 of 14  /   
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