Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2024-07-24 14:40 |
Hokkaido |
Frontier Chemistry Center, Hokkaido University (Primary: On-site, Secondary: Online) |
Stratospheric demonstration of HAPS wireless communication system Yoshichika Ohta, Mitsukuni Konishi, Kazuki Matsuura, Yuki Takagi, Takuya Hasegawa, Atsushi Nagate (Softbank) |
[more] |
|
MW, EMT, OPE, MWPTHz, EST, IEE-EMT [detail] |
2024-07-12 11:05 |
Hokkaido |
otaru-shimin-kaikan (Primary: On-site, Secondary: Online) |
Interference Canceler Circuit Configuration for Rx Caused by Tx Power Amplifier using Vector Modulator Yuki Takagi, Yoshichika Ohta (SB) |
[more] |
|
AP, WPT (Joint) |
2024-01-17 14:25 |
Niigata |
Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
2.45 GHz High-Efficiency Power Amplifier for Integration and Cooperation of Telecommunication and Wireless Power Transfer Yuki Takagi, Yuta Nakamoto, Takashi Hirakawa, Yoshichika Ohta, Naoki Hasegawa (SB) WPT2023-30 |
In this paper, we present a transmitter configuration of wireless devices that is optimized for both information transmi... [more] |
WPT2023-30 pp.1-5 |
MW |
2023-11-16 11:15 |
Okinawa |
Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
Dual-Band Asymmetric Doherty Amplifier with T-shaped Stubs Yuki Takagi, Yoshichika Ohta (SB) MW2023-127 |
In this paper, we propose a design method for a dual-band asymmetric Doherty amplifier at 1.8 GHz(Band3)/2.1 GHz (Band1)... [more] |
MW2023-127 pp.7-12 |
RCS, IN, NV (Joint) |
2023-05-25 10:50 |
Kanagawa |
Keio University (Hiyoshi Campus), and online (Primary: On-site, Secondary: Online) |
Performance Evaluation of Digital Self-Interference Cancellers for In-Band Full-Duplex Systems with High-Power Amplifiers Motoshi Tawada, Yuki Takagi, Yoshichika Ohta (SoftBank) RCS2023-16 |
In-band full-duplex communication (IBFD), which performs transmission and reception in the same frequency band at the sa... [more] |
RCS2023-16 pp.13-17 |
MW |
2022-11-15 13:50 |
Nagasaki |
Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Study on Power Consumption and Power Reduction of RF Power Amplifier in 5G Downlink System Yuki Takagi, Yoshichika Ohta (SB) MW2022-113 |
This paper proposes the estimation of power consumption of RF power amplifier in downlink (from base station to UE) comm... [more] |
MW2022-113 pp.25-30 |
MRIS, ITE-MMS |
2021-12-10 15:35 |
Online |
Online |
Development of flux control writer
-- World's first practical use of assist record technology -- Naoyuki Narita, Masayuki Takagishi (Toshiba corporate R&D center), Gaku Koiizumi, Akihiko Takeo (Toshiba devices & storage corporation), Tomoyuki Maeda (Toshiba corporate R&D center) |
[more] |
|
MRIS, ITE-MMS |
2020-12-03 14:30 |
Online |
Online |
[Invited Talk]
Extended Concept of MAMR and Its Performance and Reliability Akihiko Takeo, Gaku Koizumi, Naoyuki Narita, Masayuki Takagishi, Tomoyuki Maeda (Toshiba) MRIS2020-8 |
[more] |
MRIS2020-8 pp.14-19 |
MW |
2019-11-14 16:00 |
Okinawa |
Minami Daido Villa. Tamokuteki Koryu Center |
High Efficiency Doherty Amplifier Using T-Shaped Stabs with Spurius Suppression and Impedance Conversion Function Yuki Takagi, Naoki Hasegawa, Yoshichika Ota (SB), Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2019-107 |
In recent years, various types of wireless stations such as a base station used on quasi-millimeter wave band have been ... [more] |
MW2019-107 pp.41-46 |
AP |
2019-05-17 09:55 |
Hyogo |
Kanpo-no-yado Arima (Arima Onsen, Hyogo) |
Simulation for Traveling-Wave-Type Phased-Array Antenna with Distribution of Circuit Phase Error for Microwave Power Transfer Naoki Hasegawa, Yuki Takagi, Yoshichika Ohta (SB) AP2019-7 |
The traveling-wave feed circuit for phased-array antenna contributes to reduce phase control systems.
In this feed circ... [more] |
AP2019-7 pp.35-39 |
MRIS, ITE-MMS |
2018-06-07 13:00 |
Miyagi |
Tohoku Univ. |
[Invited Talk]
Write current evaluation using BER simulator including “TAU MODEL”
-- including HDD development topics -- Masayuki Takagishi (Toshiba) MRIS2018-1 |
We have developed newly “BER simulator”, which can calculate Bit Error Rate, including write current wave form, write he... [more] |
MRIS2018-1 pp.1-6 |
CPM |
2018-03-01 16:50 |
Tokyo |
Tokyo Univ. of Technol. |
Fundamental study of fabrication of magneto-optical materials for a flexible magneto-optical imaging sensor Kosuke Nishimoto (SNIT), Hiroyuki Takagi, Taichi Goto, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT), Ryosuke Hashimoto (SNIT) CPM2017-125 |
Non-destructive testing is an important technology to keep safety of our daily life. Magneto-optical imaging is a useful... [more] |
CPM2017-125 pp.37-38 |
MRIS, ITE-MMS |
2017-12-08 09:20 |
Ehime |
Ehime Univ. |
Fabrication and properties of multilayered media for collinear magnetic hologram Yuichi Nakamura, Naoki Hoshiba, Zen Shirakashi, Taichi Goto, Hiroyuki Takagi, Pang Beoy Lim, Hironaga Uchida, Mitsuteru Inoue (Toyohashi Tech.) MR2017-37 |
[more] |
MR2017-37 pp.63-67 |
MW |
2017-11-09 14:05 |
Okinawa |
Miyakojima Marin Terminal Bldg. |
Wide-Band High-Efficiency GaN HEMT Amplifier Based on Multi-Harmonic Treatments at Low SHF Band Yuki Takagi, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2017-121 |
High-efficiency power amplifiers operating at higher-frequency bands are required for next generation wireless communica... [more] |
MW2017-121 pp.51-56 |
CPM |
2017-10-28 11:05 |
Nagano |
Shinshu Univ. Nagano-Education Campus, E7 building 3F |
Fabrication of bismuth high substituted neodymium iron gallium garnet film using metal-organic decomposition method Hideyuki Kurahashi, Kosuke Sasaki, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mituteru Inoue (TUT) CPM2017-77 |
[more] |
CPM2017-77 pp.57-62 |
CPM |
2017-10-28 11:25 |
Nagano |
Shinshu Univ. Nagano-Education Campus, E7 building 3F |
Fabrication of Magneto-optical materials and imaging device for Magneto-optical imaging Kosuke Nishimoto, Ryosuke Hashimoto (SNIT), Hiroyuki Takagi, Taichi Goto, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT) CPM2017-78 |
[more] |
CPM2017-78 pp.63-66 |
CPM |
2017-10-04 15:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Effect of multi-layered magnetic media for recording volumetric magnetic hologram Naoki Hoshiba, Zen Shirakashi, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Lim Pang Boey, Hironaga Uchida, Mitsuteru Inoue (Toyohashi Univ.) CPM2017-63 |
We have studied to realize rewritable magnetic hologram memory using magnetic garnet which is a stable material. Improve... [more] |
CPM2017-63 pp.19-24 |
CPM |
2017-07-21 14:39 |
Hokkaido |
|
Fabrication and properties of multiferroic PZT-Bi:RIG composite for optical modulation Naoki Akiyama, Taichi Goto, Hiroyuki Takagi, Yuichi Nakamura, Pang Boey Lim, Hironaga Uchida, Mitsuteru Inoue (TUT) CPM2017-24 |
Magneto-optic spatial light modulator (MOSLM) controls light intensity depending on the direction of magnetization and h... [more] |
CPM2017-24 pp.15-19 |
SDM |
2017-06-20 15:35 |
Tokyo |
Campus Innovation Center Tokyo |
Heavily-doped SOI Substrate and Transfer Printing for Fabrication of TMDC FETs Takamasa Kawanago, Ryo Ikoma, Hiroyuki Takagi, Shunri Oda (Tokyo Inst. of Tech.) SDM2017-28 |
[more] |
SDM2017-28 pp.35-38 |
MW |
2016-12-15 11:10 |
Kanagawa |
National Defense Academy |
A High-Efficiency GaN HEMT Power Amplifier with Harmonic Reactive Termination using a T Shaped Stab for Two Harmonics Yuki Takagi, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-138 |
A microwave multiband high-efficiency power amplier is required for the next-generation mobile communication system to ... [more] |
MW2016-138 pp.35-40 |