| 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 | 2017-11-09 13:50 |
Okinawa | Miyakojima Marin Terminal Bldg. | Effects of drain-gate feedback capacitance on output power and power efficiency of microwave power amplifier Yoichiro Takayama, Kazuhiko Honjo, Ryo Ishikawa (UEC)  MW2017-120 |
(To be available after the conference date) [more] | MW2017-120 pp.45-49 |
| 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 |
| MW | 2017-11-09 14:35 |
Okinawa | Miyakojima Marin Terminal Bldg. | Efficiency Improvement of Concurrent Dual-Band GaN HEMT Power Amplifier with Two amplification circuits and Duplexers Haruka Nishizawa, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2017-123 |
[more] | MW2017-123 pp.61-66 |
| MW | 2017-11-10 13:30 |
Okinawa | Miyakojima Marin Terminal Bldg. | Analysis on Interference Wave Suppression Effect with Port Azimuths Control of Loop Antenna Array for OAM Communication Hiroto Otsuka, Ryohei Yamagishi, Akira Saitou, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2017-137 |
Orbital-Angular-Momentum(OAM) is attracting attention in terms of a novel multiplexing method. Multiplexing in OAM commu... [more] | MW2017-137 pp.139-144 |
| MW | 2017-11-10 13:45 |
Okinawa | Miyakojima Marin Terminal Bldg. | Improvement of Mode Uniqueness for OAM Communication Using a Loop Array by Reflector Plane Ryohei Yamagishi, Hiroto Otuka, Akira Saitou, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2017-138 |
Mode uniqueness in an orbital-angular-momentum (OAM) communication method is improved to obtain excellent performance at... [more] | MW2017-138 pp.145-149 |
| OFT, OCS, LSJ (Joint) [detail] |
2017-08-31 14:05 |
Hokkaido | Hokkaido Univ. | Pressure dependence of FBG inscribed in perfluorinated plastic optical fiber Ryo Ishikawa, Heeyoung Lee (Tokyo Inst. of Tech.), Amedee Lacraz, Antreas Theodosiou, Kyriacos Kalli (Cyprus Univ. of Tech.), Yosuke Mizuno, Kentaro Nakamura (Tokyo Inst. of Tech.) OFT2017-26 |
Though the several sensing characteristics of the fiber Bragg gratings (FBG) inscribed in perfluorinated graded-index (P... [more] | OFT2017-26 pp.9-12 |
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | Study on Compact Bidirectional DC-DC Converter Consisting of 100-MHz High-Efficiency Amplifier and Rectifier Shogo Mizoguchi, Kazuhiko Honjo, Ryo Ishikawa (UEC) |
A concept of a compact bidirectional DC-DC converter has been proposed. The DC-DC converter consists of high-efficiency ... [more] | |
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | 8.5 GHz-Band GaN HEMT High-Efficiency Power Amplifier with Harmonic Reactive Termination Haruka Nishizawa, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) |
In the 5th generation mobile communication (5G), the use of a higher frequency band is planned for large capacity commu-... [more] | |
| MW, ICD | 2017-03-03 13:20 |
Okayama | Okayama Prefectural Univ. | [Special Talk]
Broadband Amplifier Using Current Feedback Pair of Two Transistors Arisu Maruyama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-210 ICD2016-140 |
The theme of the Microwave Circuit Design Universiade 2016 was design and fabrication of a wideband amplifier. There is... [more] |
MW2016-210 ICD2016-140 pp.123-126 |
| MW, ICD | 2017-03-03 13:40 |
Okayama | Okayama Prefectural Univ. | [Special Talk]
Design and Evaluation of Two Stage Wideband Negative Feedback Amplifier Using Voltage Feedback Pair Hiroto Otsuka, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-211 ICD2016-141 |
Microwave Circuit Design Universiade 2016 supported by the Technical Committee on Microwave, IEICE, was held for a wideb... [more] | MW2016-211 ICD2016-141 pp.127-130 |
| AP | 2017-02-16 14:25 |
Tochigi | Tochigiken-sougou-bunnka Center | 4-value Multiplexing Angular Momentum Communication Using Circular Loop Antennas Akira Saitou, Hiroto Otuka, Ryohei Yamagisi, Ryo Ishikawa, Kazuhiko Honjo (UEC) AP2016-162 |
A four-value multiplexing orbital angular momentum (OAM) communication scheme is proposed using loop antenna arrays. Con... [more] | AP2016-162 pp.33-38 |
| 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 ampli er is required for the next-generation mobile communication system to ... [more] | MW2016-138 pp.35-40 |
| MW | 2016-12-15 11:30 |
Kanagawa | National Defense Academy | Large Signal Characteristics and Linearity Improvement for Single-GaN HEMT Dual-Band Power Amplifier in Concurrent Operation Mode Arisu Maruyama, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-139 |
Power amplifiers that enable multi-access in the microwave band have not been studied in detail so far, and the behavior... [more] | MW2016-139 pp.41-46 |
| MW | 2016-12-15 13:00 |
Kanagawa | National Defense Academy | Concurrent Dual-Band Amplifier Consisting of Two Amplifier Units and Duplexers Haruka Nishizawa, Jun Enomoto, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-140 |
[more] | MW2016-140 pp.47-52 |
| MW | 2016-12-16 14:50 |
Kanagawa | National Defense Academy | Large Signal GaN HEMT Device Model for Accurate RF Power Rectifier Simulation Tsukasa Yasui, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-166 |
(To be available after the conference date) [more] | MW2016-166 pp.195-198 |
| MW | 2016-12-16 15:20 |
Kanagawa | National Defense Academy | 900 MHz Band Class-F GaAs HEMT Rectifier for Wide Dynamic Range Operation Misako Fujimaki, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-167 |
[more] | MW2016-167 pp.199-203 |
| MW | 2016-12-16 16:50 |
Kanagawa | National Defense Academy | [Special Talk]
Briefing Report on European Microwave Week 2016 Ryosuke Suga (Aoyama Gakuin Univ.), Ryo Ishikawa (The Univ. of Electro-Communications), Takuma Torii (Mitsubishi Electric Corp.), Chen Chun-Pin (Kanagawa Univ.), Abe Motomi (Mitsubishi Electric Corp.), Yoshida Satoshi (Kagoshima Univ.) MW2016-171 |
[more] | MW2016-171 pp.221-228 |
| EMCJ | 2016-03-11 11:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on the risk evaluation of countermeasure technique for preventing electromagnetic information leakage Ryo Ishikawa, Toshinori Mori, Kimihiro Tajima (NTT-AT), Yasunao Suzuki, Kazuhiro Takaya (NTT NT Labs.) EMCJ2015-124 |
A telecommunication equipment and information technical equipment usually produce unintentional electromagnetic fields. ... [more] | EMCJ2015-124 pp.1-4 |
| MW | 2016-01-15 13:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Memorial Lecture]
Projects for MW 50th anniversary Yohei Ishikawa (Kyoto Univ.), Takao Kuki (Doshisha Univ.), Masashi Nakatsugawa (NTT), Kenjiro Nishikawa (Kagoshima Univ.), Yo Yamaguchi (NTT), Junji Sato (Panasonic), Ryo Ishikawa (UEC), Naoto Sekiya (Yamanashi Univ.) MW2015-166 |
[more] | MW2015-166 pp.37-40 |
| MW | 2015-12-17 11:10 |
Tokyo | Tokyo Univ. of Science | Analysis on Broadband Characteristics for Planar Antenna with consideration for high order modes Jin Long, Akira Saitou, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2015-135 |
Broadband characteristics are usually shown on wide-angle antennas. In this paper, the mechanism of this feature are ana... [more] | MW2015-135 pp.13-18 |
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