| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2025-01-30
13:05 |
Kumamoto |
Kumamoto Univ., Kurokami Minami Dist., Kurokami Minami W3
(Primary: On-site, Secondary: Online) |
Applicability of Quasi-TEM-Based Microstrip-Line Formulas to Millimeter-Wave Circuit Design
Sota Terasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2025-1
pp.1-4 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2025-01-30
14:05 |
Kumamoto |
Kumamoto Univ., Kurokami Minami Dist., Kurokami Minami W3
(Primary: On-site, Secondary: Online) |
Experimental study on radiation-power improvement of balanced up-converter integrated active antenna with differential-feed antenna
Shiryu Araki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This paper proposes an active integrated antenna with a balanced up-converter for miniature transmitter. The proposed ac... [more] |
BCT2025-4
pp.13-16 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2025-01-31
09:15 |
Kumamoto |
Kumamoto Univ., Kurokami Minami Dist., Kurokami Minami W3
(Primary: On-site, Secondary: Online) |
Prototype evaluation of microstrip antenna loaded with two parasitic elements and reflector
Karin Motomura, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2025-12
pp.42-45 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2025-01-31
10:15 |
Kumamoto |
Kumamoto Univ., Kurokami Minami Dist., Kurokami Minami W3
(Primary: On-site, Secondary: Online) |
Prototype Evaluation of Rear-Feed Log-Periodic Antenna Integrated with Microstrip-Line Feed Circuit
Yoshihiro Araki, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
In this study, a rear-feed log-periodic antenna integrated with a microstrip-line feed circuit is proposed. As conventio... [more] |
BCT2025-15
pp.54-57 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-25
13:00 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
[Special Talk]
Recent Progress of Diamond Semiconductor
-- Power Devices and Inch-Sized Wafer --
Makoto Kasu (Saga Univ.) |
[more] |
BCT2024-1
pp.1-6 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-25
14:30 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Experimental Study of Rectenna Array Employing Double-Voltage Type Miniature Rectennas
Takuma Miyamoto, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
In this study, the effect of unit-rectennas’ variation in a rectenna array is experimentally evaluated changing the conn... [more] |
BCT2024-3
pp.11-14 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-25
14:50 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Basic Study of Monopulse Three-Dimensional Beam Tracking Planar Array Antenna System Based on Secant Method Root-Finding Algorithm
Shuei Toyama, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This study proposes a three-dimensional beam tracking array antenna system based on the secant method root-finding algor... [more] |
BCT2024-4
pp.15-18 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
11:00 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Numerical Study of Choke-Coil Integrated Wide-Angle Wide-Band Monopole Film Antenna
Ryutaro Fujimoto, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
In order to realize IoT (Internet of Things), broadband antennas that support Wi-Fi and 5G are required. This study prop... [more] |
BCT2024-15
pp.56-59 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
13:00 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Performance Improvement of Push-Push VCO Using Varactor-Loaded Quasi-Distributed-Element Transmission-Line Resonator With Output Circuit Connected to Both Resonator Ends
Kouki Wakakita, Maodudul Hasan, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, we propose a Push-Push voltage controlled oscillator (VCO) using a varactor-loaded quasi-distributed-elem... [more] |
BCT2024-18
pp.68-71 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
13:20 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Performance Improvement of Quadruple Push-Push Oscillator Using Half-Wavelength Microstrip-Line Resonators at 2nd Harmonic Frequency
Yusho Takeguchi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This paper presents a performance improvement of a quadruple Push-Push oscillator by using microstrip-line resonators. T... [more] |
BCT2024-19
pp.72-75 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2024-01-26
13:40 |
Saga |
Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online) |
Prototype Evaluation of Dual-Band Linear-Polarization Switchable Stacked Microstrip Antenna Loading Cross Slot and Diodes
Yukiyoshi Ikoma, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
This paper proposes a dual-band linear-polarization switchable antenna using a stacked structure. The proposed antenna c... [more] |
BCT2024-20
pp.76-79 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2023-01-26
14:10 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Experimental Evaluation of High Output Power DC Rectenna Array Using High-Density Array Antenna
Takuma Kichiji, Eisuke Nishiyama, Toyoda Ichihiko (Saga Univ.) |
This study proposes a high output power DC rectenna array using a high-density array antenna. By densely arraying compac... [more] |
BCT2023-3
pp.7-10 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2023-01-26
15:00 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Proposal of 4×4 Feed Matrix Integrating Planar Magic-T and 90° Hybrid
Yutaka Umeda, Eisuke Nishiyama, Toyoda Ichihiko (Saga Univ.) |
In this study, we propose and evaluate a novel feed matrix that replaces the Butler matrix, which is widely used as a fe... [more] |
BCT2023-5
pp.15-18 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2023-01-26
15:20 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Characterization of Parasitic-Element Loaded Frequency-Tunable Microstrip Antenna by Q-factor Analysis
Ryo Araki, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2023-6
pp.19-22 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2023-01-27
10:40 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Proposal of Ring-Slot Active Array Antenna Integrated With Transistor-Based Oscillators
Shotaro Manago, Maodudul Hasan, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, we propose an active array antenna that integrates two ring-slot active antennas. The unit antenna consis... [more] |
BCT2023-10
pp.35-38 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2022-01-21
11:20 |
Online |
Online |
Experimental Study on Phase Noise Improvement of 2nd-Harmonic Feedback Oscillator Using Active Ring Resonator
Reou Kikuchi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, we propose a low phase noise 2nd-harmonic feedback oscillator. The proposed oscillator integrates an acti... [more] |
BCT2022-2
pp.5-8 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2022-01-21
11:40 |
Online |
Online |
Experimental Study on Array Spacing for Large-Scale Rectenna Arrays Using Yagi-Uda Antennas
Shota Egashira, Eisuke NIshiyama, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2022-3
pp.9-12 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2022-01-21
14:10 |
Online |
Online |
Design of Dual-Beam Dual Circularly Polarized Microstrip Antenna Employing Slot-Coupling Directional Coupler Integrated Feeding Circuit
Daiki Iwamoto, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
This paper proposes a dual-beam dual circularly polarized (CP) microstrip antenna that has a CP switching function in tw... [more] |
BCT2022-7
pp.25-28 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2022-01-21
14:50 |
Online |
Online |
Bandwidth Improvement of Planar Magic-T Consisting of Microstrip Lines and Coplanar Stripline
Hiroki Nakahara, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
This paper proposes a new magic-T structure to improve the bandwidth of the planar magic-T consisting of microstrip line... [more] |
BCT2022-9
pp.33-36 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2021-01-22
11:30 |
Fukuoka |
Online |
Evaluation of deep level by small signal equivalent circuit analysis of GaN HEMT
Takumi Nishimura, Masaya Tabuchi (Saga Univ.), Yutaro Yamaguchi, Tomohiro Otsuka, Shintaro Shinjo, Yutaro Yamanaka (Mitsubishi Electric), Toshiyuki Oishi (Saga Univ.) |
Although GaN HEMTs have been put to practical use as microwave high-power amplifiers, it is necessary to elucidate the e... [more] |
BCT2021-2
pp.5-8 |