| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2022-12-16 11:25 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Increasing Efficiency of Power Amplifiers for Microwave Power Transfer by PA- Antenna Co-design Shinji Hara, Noriyuki Tanba (Nagoya Univ.), Hiroshi Hirayama (Nitech)  MW2022-144 |
The efficiency is important in power amplifiers. For wireless communication applications which transfer signals, there a... [more] | MW2022-144 p.64 |
| AP, MW (Joint) |
2022-09-15 12:00 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Examination of Characterization Method for Matching Circuit-less Power Amplifiers Noriyuki Tanba (NU), Hiroshi Hirayama (NITech), Shinji Hara (NU) MW2022-76 |
The characterization of the matching circuit-less power amplifier (PA) and the PA in the PA-integrated antenna (PIA), pr... [more] | MW2022-76 pp.42-47 |
| AP | 2022-02-18 09:25 |
Online | Online | A Consideration of H-shaped-slot Patch Antenna with 3rd Harmonic Termination using Characteristic Mode Analysis Syunya Ban, Hayata Hirose (Nagoya Inst. of Tech.), Shinji Hara (Nagoya Univ.), Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2021-167 |
In this paper, an H-shape slot patch antenna designed at 5.8 GHz with F-class load impedance for microwave power transfe... [more] | AP2021-167 pp.50-54 |
| EE, WPT (Joint) |
2021-10-05 13:00 |
Online | Online | Proposal of RF-DC Conversion Circuit with Complex MPPT Using 90° Hybrid Kozaburo Tanahashi, Hiroshi Hirayama (NIT) WPT2021-7 |
[more] | WPT2021-7 pp.1-5 |
| WPT, EE (Joint) |
2020-10-07 15:05 |
Online | Online | Measurement Method of High-Frequency-Voltage/Current Waveforms using Directional Coupler and its Calibration Takuma Nakae, Hiroshi Hirayama (NIT) WPT2020-22 |
This report proposes a measurement method of voltage/current waveform assuming applications of wireless power transfer(W... [more] | WPT2020-22 pp.18-23 |
| MW, WPT | 2020-04-23 16:05 |
Online | Online | Basic Study of Patch Antenna with DC block and Class-F Load Impedance for 2.45 GHz Microwave Power Transfer Shunya Ban, Takase Ohshima, Hiroshi Hirayama (NIT) WPT2020-9 MW2020-9 |
[more] | WPT2020-9 MW2020-9 pp.45-49 |
| MW, WPT | 2020-04-23 16:30 |
Online | Online | Integrated power amplifier design with antenna Asako Suzuki (Nagoya Univ.), Shunya Ban, Takase Oshima, Hiroshi Hirayama (NITech), Shinji Hara (Nagoya Univ.) WPT2020-10 MW2020-10 |
We propose a new method to improve the transmission efficiency of wireless power transmission system using microwaves. I... [more] | WPT2020-10 MW2020-10 pp.51-54 |
| AP, WPT (Joint) |
2020-01-24 12:55 |
Kagawa | Sunport Hall Takamatsu | Basic Study of Patch Antenna with Class-F Load Impedance for 2.45 GHz Microwave Power Transfer Takase Oshima, Hiroshi Hirayama (NITech) AP2019-171 WPT2019-54 |
A novel patch antenna with class-F load function for microwave power transfer is proposed. Conventionally, class-F load ... [more] | AP2019-171 WPT2019-54 pp.117-120(AP), pp.29-32(WPT) |
| WPT, EE (Joint) |
2019-10-10 15:20 |
Shiga | Ryukoku Extension Center, Ryukoku University | High-power high-frequency impedance measurement for non-linear DUT Takase Ohshima, Hiroshi Hirayama (NIT) WPT2019-43 |
It is necessary to measure impedance of a rectifying circuit to design a matching circuit for wireless power transfer sy... [more] | WPT2019-43 pp.89-94 |
| WPT, AP (Joint) |
2019-01-17 13:35 |
Aichi | Toyota Automobile Museum | [Invited Lecture]
Near-field Wireless Power Transfer for Small Model Vehicle using Collinear Array Antenna Jun Deguchi, Kazuhiro Yoshikawa, Hiroshi Hirayama (Nagoya Inst. of Tech.) WPT2018-55 |
[more] | WPT2018-55 pp.7-12 |
| WPT (2nd) |
2018-11-02 - 2018-11-04 |
Miyagi | Tohoku University | Near-field Wireless Power Transfer for Moving Vehicle using Collinear Array Antenna Jun Deguchi, Hiroshi Hirayama (Nagoya Inst. of Tech.) |
In this report, near-field wireless power transfer for a moving vehicle using a collinear array antenna is proposed. Col... [more] | |
| WPT, EE (Joint) |
2018-10-03 10:15 |
Kyoto | Kyoto Univ. Uji Campus | A comparison of characteristics of self-resonant and LC-resonant coupler for coupling wireless power transfer Takaya Arai, Hiroshi Hirayama (NIT) WPT2018-31 |
[more] | WPT2018-31 pp.11-15 |
| WPT | 2017-06-12 14:15 |
Kagoshima | Kagoshima Univ. | Characteristics of a Folded Spiral Antenna for coupled-resonant Wireless Power Transfer Kohei Nimura, Hiroshi Hirayama (Nagoya Inst. of Tech.) WPT2017-11 |
Coupled resonant wireless power transfer system has an advantage of high efficient mid-range power transmission where im... [more] | WPT2017-11 pp.17-22 |
| WPT (2nd) |
2015-12-10 15:50 |
Overseas | TamKang University, Tamsui Campus | Transmission Characterisitics of Wireless Power Transfer with Self-Resonant Antenna Using an Existing Structure as a Repeater Shohei Fukasawa, Keigo Nakamura, Hiroshi Hirayama (NIT) |
Wireless power transfer (WPT) technology using existing structure, such as a reinforcing bar, as a repeater to extend po... [more] | |
| WPT (2nd) |
2015-12-10 16:50 |
Overseas | TamKang University, Tamsui Campus | Transmission Characteristics of Tape-wound Spiral Antenna for Coupled Resonant Wireless Power Transfer Keigo Nakamura, Hiroshi Hirayama (Nagoya Inst. of Tech.) |
[more] | |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 11:25 |
Okinawa | Okinawa Prefectural Museum & Art Museum | [Tutorial Lecture]
Basics of Coupled Wireless Power Transfer from Viewpoint of Impedance Matching and Resonant Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2015-113 WPT2015-49 |
Wireless power transfer (WPT) technology using near field is getting large interest. WPT system using coupling coil base... [more] | AP2015-113 WPT2015-49 pp.17-22 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 13:35 |
Okinawa | Okinawa Prefectural Museum & Art Museum | A Basic Study on Wireless Power Transfer with Self-Resonant Antenna Using an Existing Structure as a Repeater Shohei Fukasawa, Keigo Nakamura, Hiroshi Hirayama (NIT) WPT2015-61 |
Recently, coupled-resonant wireless power transfer (WPT) technology is getting large interests for charge of cellular ph... [more] | WPT2015-61 pp.79-84 |
| AP | 2014-12-11 12:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | DOA Estimation of Desired Signals Using In-Phase Combining of Multiple Cyclic Correlations and Its Performance Improvement by SAGE Algorithm Naoki Hirose, Nobuyoshi Kikuma, Hiroshi Hirayama, Kunio Sakakibara (Nagoya Inst. of Tech.) AP2014-153 |
Direction-of-arrival (DOA) estimation methods using a cyclic correlation based on the cyclostationarity of digital-modul... [more] | AP2014-153 pp.13-18 |
| AP, WPT (Joint) |
2014-10-17 09:20 |
Hokkaido | Hokkaido University, Clark Memorial Student Center | A Consideration of Location Estimation of Coherent Near-field Sources by Combined Use of DOA-Matrix Method and SAGE Algorithm Kyohei Takeuchi, Nobuyoshi Kikuma, Hiroshi Hirayama, Kunio Sakakibara (NIT) AP2014-119 |
It is important to understand the radio wave propagation structures in mobile or indoor wireless communications. One of ... [more] | AP2014-119 pp.61-66 |
| AP, WPT (Joint) |
2014-10-17 09:45 |
Hokkaido | Hokkaido University, Clark Memorial Student Center | A Consideration on Simple Decoupling Circuit without Three-dimensional Structure for MIMO Antennas Masahiro Mori, Nobuyoshi Kikuma, Hiroshi Hirayama, Kunio Sakakibara (NIT) AP2014-120 |
Recently, the MIMO (Multiple-Input Multiple-Output) technology has been introduced into the portable terminals correspon... [more] | AP2014-120 pp.67-72 |
[Return to Top Page]