| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| 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 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2020-01-23
13:40 |
Kagoshima |
|
Basic Study of a new miniature rectenna integrating a rectifier in a antenna element for large-scale rectenna arrays
Kento Saito, Hiroshi Satow, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2020-3
pp.9-12 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2020-01-23
14:10 |
Kagoshima |
|
Design of a Frequency-Tunable Balun Using Wideband Planar Magic-T
Takuya Kitamura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
We have reported a magic-T based planar balun and its application to a variable phase shift balun and variable attenuati... [more] |
BCT2020-4
pp.13-16 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2020-01-23
14:30 |
Kagoshima |
|
Design of a Low-Loss Planar Magic-T Employing Rectangle DGS
Hiroki Nakahara, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this paper，a low-loss planar magic-T employing a Defected Ground Structure (DGS) is proposed．The proposed magic-T con... [more] |
BCT2020-5
pp.17-20 |
| BCT, KYUSHU, IEEE-BT, IEEE-AP-S-FUKUOKA |
2020-01-24
09:15 |
Kagoshima |
|
Prototype Evaluation of a 90° - Hybrid Based Variable Power Divider for Beam Steering Array Antennas with Input Amplitude Control
Hiroki Uchiyama, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
We have proposed a beam steering antenna based on a monopulse system that integrates microstrip antenna elements and pla... [more] |
BCT2020-11
pp.39-42 |
| BCT, KYUSHU, IEEE-AP-S-FUKUOKA |
2019-01-24
15:10 |
Fukuoka |
Kyushu Sangyo Univ. |
A Gunn diode model for planar Gunn oscillator design
Daichi Shimizu, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2019-6
pp.21-24 |
| BCT, KYUSHU, IEEE-AP-S-FUKUOKA |
2019-01-25
10:10 |
Fukuoka |
Kyushu Sangyo Univ. |
Prototype Evaluation of a Planar Rectenna Using Microstrip-Slot Cross Junction With Two Kinds of Output Voltages
Kenta Saisyo, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
We have proposed a differential rectenna having high conversion efficiency even at low power density. We also reported t... [more] |
BCT2019-12
pp.51-54 |
| BCT, KYUSHU, IEEE-AP-S-FUKUOKA |
2019-01-25
11:00 |
Fukuoka |
Kyushu Sangyo Univ. |
Basic Evaluation of a Planar Magic-T Based Balun and Its Application to Variable Phase Shift Balun
Takuya Kitamura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) |
In this study, a novel magic-T based planar balun and its application to a variable phase shift balun are proposed. The ... [more] |
BCT2019-14
pp.59-62 |
| BCT, KYUSHU, IEEE-AP-S-FUKUOKA |
2019-01-25
11:20 |
Fukuoka |
Kyushu Sangyo Univ. |
Experimental Evaluation of a Magic-T Integrated Dual Circularly Polarized Array Antenna With Quadrature-fed Inclined Patches
Hiroki Uchiyama, Thet Paing Phyoe, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2019-15
pp.63-66 |
| BCT, KYUSHU |
2018-01-19
09:00 |
Nagasaki |
Nagasaki Univ. Unzen-E-Camllage-Kohryu-Center |
Characteristic Evaluation of a 12-Patch Active Array Antenna Integrated With a Gunn Oscillator and Polarization Modulators
Hiroki Ushiroda, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) |
[more] |
BCT2018-12
pp.45-48 |