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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, RCS (Joint) |
2022-08-25 09:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Communication Experiment with Super Pressure Balloon over Antarctica Using Iridium Satellite Takana Kaho (Shonan Inst. Tech.), Yoshitaka Saito (JAXA), Yoshihiro Tomikawa (NIPR) |
[more] | |
| RCC, WBS, SAT, MICT | 2022-05-26 13:50 |
Online | Online | Communication Experiment over Antarctica using Iridium Satellite Short Burst Communication Takana Kaho (Shonan Inst. of Tech.), Yoshitaka Saito (JAXA), Yoshihiro Tomikawa (NIPR)  WBS2022-8 RCC2022-8 SAT2022-8 MICT2022-8 |
An experiment (LODEWAVE) was conducted from January to February 2022 to measure the atmospheric gravity wave over the An... [more] | WBS2022-8 RCC2022-8 SAT2022-8 MICT2022-8 pp.34-39 |
| MW | 2022-03-03 14:25 |
Online | Online | Examination of Measurement Evaluation System of 2-input GaN Amplifier Using Vector Transceiver Haruki Mori, Takato Suzuki, Takana Kaho (Shonan Inst. Tech.), Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka (Mitsubishi Electric) MW2021-122 |
[more] | MW2021-122 pp.63-68 |
| AP, WPT (Joint) |
2022-01-21 13:30 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Proposal on Novel Staircase Array Antenna Configuration utilizing Stacked Butler Matrix Hideya So, Yoshitada Watanabe, Takana Kaho (SIT), Mizuki Suga, Takuto Arai, Yushi Shirato, Hideki Toshinaga, Daisei Uchida, Naoki Kita (NTT) AP2021-151 |
Massive Multiple-Input Multiple-Output (Massive MIMO), which uses a large number of antenna elements, has been investiga... [more] | AP2021-151 pp.92-97 |
| MW | 2021-12-16 14:50 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Evaluation of distortion compensation characteristics of wideband GaN amplifier with multi-carrier input Haruki Mori, Kouki Hattori, Takana Kaho (Shonan Inst. Tech.), Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka (Mitsubishi Electric) MW2021-91 |
[more] | MW2021-91 pp.37-42 |
| AP, SANE, SAT (Joint) |
2021-07-28 14:30 |
Online | Online | LOng-Duration balloon Experiment of gravity WAVE over Antarctica (LODEWAVE)
-- Data transmission from super-pressure balloons using Iridium satellites -- Yoshitaka Saito (JAXA), Yoshihiro Tomikawa (NIPR), Isao Murata (Tohoku Univ.), Takana Kaho (SIT), Takashi Kanno (MEC) SAT2021-21 |
(To be available after the conference date) [more] | SAT2021-21 pp.7-11 |
| MW (2nd) |
2020-05-13 - 2020-05-15 |
Overseas | CU, Bangkok, Thailand (Postponed) |
CMOS Vector-Sum Phase Shifter With Novel Vector Summer Takana Kaho (Shonan Inst. of Tech.), Kotaro Takamiya, Ramesh Pokharel Kumar (Kyushu University) |
A quasi-millimeter CMOS phase shifter which employed a vector sum structure is designed. It consists of an active balun,... [more] | |
| SRW | 2019-01-15 13:25 |
Kanagawa | Mitsubishi Electric (Oofuna) | Blind frequency-dependent IQ imbalance compensation for single carrier systems Hideki Mori, Tadao Nakagawa, Naoto Sasaoka (Tottori Univ.), Doohwan Lee, Takana Kaho (NTT) SRW2018-50 |
As the frequency bandwidth in wireless communications is wide, impairments of analog circuits of transceivers including ... [more] | SRW2018-50 pp.25-29 |
| SR, RCS (Joint) (2nd) |
2018-10-31 15:00 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Invited Talk]
An Experiment of 100 Gbps Wireless Transmission Using OAM-MIMO Multiplexing in 28 GHz Doohwan Lee, Sasaki Hirofumi, Hiroyuki Fukumoto, Yasunori Yagi, Takana Kaho, Takashi Shimizu (NTT Corp.) |
[more] | |
| AP, MW (Joint) |
2018-09-20 14:30 |
Tokyo | Tokyo Tech | A Study of Quasi-Millimeter Wave Transceiver Frontend Module Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba (NTT), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOM) MW2018-59 |
[more] | MW2018-59 pp.1-6 |
| RCS, SR, SRW (Joint) |
2018-03-02 11:45 |
Kanagawa | YRP | Blind frequency-dependent IQ imbalance compensation using constant norm algorithm for OFDM systems Ryoto Hamabe, Tadao Nakagawa (Tottori Univ.), Doohwan Lee, Takana Kaho (NTT) SRW2017-90 |
As the frequency bandwidth in wireless communications are wide, impairments of analog circuits of transceivers including... [more] | SRW2017-90 pp.105-108 |
| ED, MW | 2018-01-26 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An experimental study on beam focusing effect using dielectric lens for OAM multiplexing Hiroyuki Fukumoto, Doohwan Lee, Hirofumi Sasaki, Takana Kaho, Hiroyuki Shiba (NTT) ED2017-103 MW2017-172 |
[more] | ED2017-103 MW2017-172 pp.53-57 |
| AP, MW (Joint) |
2017-09-21 14:25 |
Saitama | Saitama University | A Study of Quasi-Millimeter Wave Integrated Front-End Module Including Antenna and Filter Yasunori Suzuki, Kei Satoh, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO), Takana Kaho, Yo Yamaguchi, Maki Arai, Hiroyuki Shiba (NTT) MW2017-69 |
[more] | MW2017-69 pp.5-9 |
| AP, MW (Joint) |
2017-09-21 14:50 |
Saitama | Saitama University | A Study of Quasi-Millimeter Wave Frontend ICs and Modules Takana Kaho, Yo Yamaguchi, Maki Arai, Hiroyuki Shiba (NTT), Yasunori Suzuki, Kei Sato, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2017-70 |
Application of Massive MIMO and beamforming technology using array antennas in the quasi-millimeter wave band is being ... [more] | MW2017-70 pp.11-15 |
| MW | 2016-12-15 10:00 |
Kanagawa | National Defense Academy | Characteristic of Non-specular Scattering on Outside Surface of Constructions at 25GHz Hao Liu, Jun-ichi Takada, Kentaro Saito (Tokyo Tech), Yo Yamaguchi, Maki Arai, Takana Kaho (NTT) MW2016-135 |
In order to achieve the high speed wireless communications for the 5th generation mobile networks, quasi-millimeter wave... [more] | MW2016-135 pp.19-23 |
| MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas | KMUTNB, Bangkok, Thailand | Design of CMOS Vector Sum Phase Shifter Shungo Ishii, Takana Kaho, Ramesh Pokharel (Kyushu Univ.) |
A 3.6-4.2 GHz CMOS phase shifter which employed a vector sum structure is designed. It consists of an active balun, OTA ... [more] | |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 14:30 |
Tokyo | Tokyo Institute of Technology | [Invited Lecture]
Broadband Spectrum Sensing Platform based on Received Waveform Cross-correlation using Distributed Sensors Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2015-117 |
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] | SR2015-117 p.171 |
| MW, AP (Joint) |
2015-09-17 14:20 |
Tochigi | Oyama National College of Tech. | [Invited Lecture]
A Study on an RF equipment of a massive MIMO base station using highly integrated RF front-end MMICs Yo Yamaguchi, Takana Kaho, Tadao Nakagawa (NTT) AP2015-84 MW2015-91 |
In a fifth generation mobile communication system, it is studied that the small cell base stations carry out data commun... [more] | AP2015-84 MW2015-91 pp.27-30(AP), pp.25-28(MW) |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 13:00 |
Hokkaido | Kushiro City Lifelong Learning Center | A Study of a 400MHz-6GHz High Linearity GaN Low Noise Amplifier Yo Yamaguchi, Takana Kaho, Munenari Kawashima, Kazuhiro Uehara (NTT) EMT2015-12 MW2015-50 OPE2015-24 EST2015-16 MWP2015-15 |
It is necessary to know the status of frequency usage for white space usage. Therefore, it is necessary that the low noi... [more] | EMT2015-12 MW2015-50 OPE2015-24 EST2015-16 MWP2015-15 pp.23-27 |
| MW | 2015-06-25 14:05 |
Kanagawa | Institute of Industrial Promotion Kawasaki | A study on wideband multilayer diplexer and triplexer Shinpei Oshima (NIT, Oyama College), Takana Kaho, Yo Yamaguchi, Tadao Nakagawa (NTT) MW2015-40 |
[more] | MW2015-40 pp.13-18 |
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