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All Technical Committee Conferences  (Searched in: All Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 50  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
09:50
Saga Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143
(Primary: On-site, Secondary: Online)
Design and Performance Evaluation of Circularly Polarized Active Antenna Integrating Image-Rejection Mixer
Ryusei Kawasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ)
We proposed and reported a circularly polarized down-conversion active antenna integrating an image-rejection mixer (IRM... [more] BCT2024-12
pp.45-48
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 2023-01-27
12:50
Fukuoka
(Primary: On-site, Secondary: Online)
Experimental Evaluation of Mixer and Circularly-Polarized Antenna Utilizing Magic-T Isolation for FMCW Radar Transceiver
Kaiji Esaki, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ)
In this study, we measured and evaluated a circularly-polarized transceiver (TRX) antenna and a mixer to realize a circu... [more] BCT2023-12
pp.43-46
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
13:00
Fukuoka Online Numerical Analysis of Perturbation Segment for Circular-Polarization Switching Microstrip Antenna Using Diodes
Reiya Ohshige, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2021-3
pp.9-12
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
13:20
Fukuoka Online Phase Noise Improvement of Positive Feedback Push-Push Oscillator Using Frequency Doubler Integrated in Injection Circuit
Koki Tokumaru, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
In this paper, a low phase noise positive feedback Push-Push oscillator using a frequency doubler integrated in an injec... [more] BCT2021-4
pp.13-16
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
13:40
Fukuoka Online Prototype Evaluation of a Continuously Tunable Polarization Agile Antenna Using Magic-T Type Variable Power Divider
Narito Morita, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
 [more] BCT2021-5
pp.17-20
BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA 2021-01-22
14:30
Fukuoka Online Circuit design for excitation and switching of four resonance modes in polarization agile antenna
Ryo Moroishi, Eisuke Nishiyma, Ichihiko Toyoda (Saga Univ.)
We have proposed a quad-polarization agile antenna loading diodes. This antenna can switch four boundary conditions depe... [more] BCT2021-7
pp.25-28
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