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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-02-16 15:20 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Research and development of HAPS wireless relay system Yoshichika Ohta (Softbank)  AP2022-219 |
HAPS (High-Altitude Platform Stations), which provide mobile communication services by installing base station equipment... [more] | AP2022-219 pp.121-126 |
| AP, WPT (Joint) |
2023-01-20 14:20 |
Hiroshima | Hiroshima Institute of Technology (Primary: On-site, Secondary: Online) |
A Study on Interference Suppression between Mobile terminals using Space Diversity and Eigen-Beamforming for Millimeter-Wave Full-Duplex MIMO System Nobuyasu Takemura (Nippon Institute of Tech.) AP2022-193 |
In this paper, the authors described the examination results of interference suppression between mobile terminals using ... [more] | AP2022-193 pp.92-97 |
| EST, MW, EMCJ, IEE-EMC [detail] | 2021-10-08 09:40 |
Online | Online | Study on extraction of multiple electromagnetic noise waveforms using independent component analysis Nao Takahashi, Shinobu Ishigami, Ken Kawamata (TGU) EMCJ2021-42 MW2021-54 EST2021-44 |
In device such as a drone that has a build-in 5G (5th generation mobile communications) mobile terminal for controlling ... [more] | EMCJ2021-42 MW2021-54 EST2021-44 pp.73-77 |
| RCS, AP, UWT (Joint) |
2020-11-25 14:45 |
Online | Online | A Study on Frequency Co-use in 3D Cell Structure consisting of Ground and Sky Cells by using Beamforming Shin Kitta, Teruya Fujii (Titech) RCS2020-118 |
It is being expected to control the flight of drones and transmit video data taken with drones using cellular network. W... [more] | RCS2020-118 pp.48-53 |
| AP | 2018-08-23 14:10 |
Saitama | Nippon Inst. of Tech. | Study on Decoupling for three closely placed monopole antenna elements Hiroshi Sato, Kenshi Horihata (Panasonic), Nobuyuki Shiraki, Naoki Honma (Iwate University), Masaharu Takahashi (Chiba University), Yoshio Koyanagi (Panasonic) AP2018-73 |
In recent years, in wireless information terminals, MIMO technology using multiple antennas is used to stably communicat... [more] | AP2018-73 pp.35-40 |
| AP | 2018-05-18 15:25 |
Kumamoto | Kumamoto Univ. | A Study of Interference Suppression Performance using Antenna Selection of Mobile Terminal for Full-duplex MIMO System Nobuyasu Takemura (Nippon Institute of Tech.), Naoki Honma, Atsuto Kawagoe, Yuta Kahino (Iwate Univ.) AP2018-34 |
In this paper, we proposed a method of interference suppression between mobile terminals using antenna selection method ... [more] | AP2018-34 pp.117-122 |
| AP | 2017-06-08 13:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Measurement evaluation of a two-slot array antenna fed by a post-wall waveguide in the 60-GHz band for mobile terminals Takashi Tomura, Haruhisa Hirayama, Jiro Hirokawa (Tokyo Tech) AP2017-40 |
In this paper, we propose a two-slot antenna inserted by an edge of a mobile device substrate for the 60-GHz band. The d... [more] | AP2017-40 pp.1-6 |
| WBS, SAT (Joint) |
2017-05-25 15:50 |
Tochigi | Utsunomiya Univ. Yoto Campus | [Special Talk]
Dynamic Beam Control for Next Generation Mobile Communication Satellite with Large Deployable Antenna Maki Akioka, Amane Miura, Morio Toyoshima, Teruaki Orikasa, Masaki Sato, Hiroyuki Tsuji, Yoshiyuki Fujino (NICT), Tetsuji Katayama, Yoshihiro Oshida, Masahiko Sunagawa, Osamu Yoshida, Tsuyoshi Kuzumaki, Yuta Horiuchi, Yu Itoh, Keiichi Yano (Softbank) SAT2017-4 |
For mobile communication satellite for next generation satellite mobile communication service, very large aperture deplo... [more] | SAT2017-4 pp.19-24 |
| AP | 2017-02-16 10:55 |
Tochigi | Tochigiken-sougou-bunnka Center | [Invited Lecture]
Method of mutual coupling reduction between closely placed MIMO antennas Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba Univ.) AP2016-157 |
Recently, in order to realize large capacity wireless communication, MIMO technology is generally installed in a compact... [more] | AP2016-157 pp.5-10 |
| IN, ICTSSL, NWS (Joint) |
2016-10-21 14:20 |
Osaka | Osaka Uinv. | An adjustment method of priority channel rates for emergency calls to follow their fluctuations using moving average in the Satellite/Terrestrial Integrated Mobile Communications System Diwakar Adhikari, kazunori Okada, Amane Miura (NICT) ICTSSL2016-30 |
The Satellite/Terrestrial Integrated Mobile Communications System [1], in which handy phone terminals can access to the ... [more] | ICTSSL2016-30 pp.59-64 |
| SAT | 2015-10-07 14:30 |
Osaka | Osaka University Nakanoshima Center | Design of X Shape Dipole Antenna with Human Head Model for the Mobile Terminal of Satellite/Terrestrial Integrated Mobile Communication System Yoshiyuki Fujino (NICT), Tatsuya Sato, Makoto Yamaguchi (Toyo University), Yoshikazu Seki, Amane Miura, Teruaki Orikasa (NICT) SAT2015-30 |
Research and development of satellite/terrestrial integrated mobile communication system (STICS) is performed to achieve... [more] | SAT2015-30 pp.61-64 |
| SAT | 2015-10-08 15:10 |
Osaka | Osaka University Nakanoshima Center | Measurement network design for application of vision metrology to large reflector of mobile communication satellite Maki Akioka, Amane Miura, Teruaki Orikasa, Masaki Satoh, Morio Toyoshima, Hiroyuki Tsuji, Yoshiyuki Fujino (NICT) SAT2015-43 |
For personal mobile communication satellite, reflector with very large aperture will be required for personal terminal w... [more] | SAT2015-43 pp.157-160 |
| CS | 2015-07-02 14:50 |
Okinawa | Eef Information Plaza (Kumejima Is.) | [Special Invited Talk]
Challenges Toward Spectrum-Energy Efficient Mobile Wireless Networks Fumiyuki Adachi (Tohoku Univ.) CS2015-19 |
Mobile wireless networks have evolved from the 1st generation (1G) using analog technology to the 2nd generation (2G) us... [more] | CS2015-19 p.55 |
| RCS, SR, SRW (Joint) |
2015-03-05 11:15 |
Tokyo | Tokyo Institute of Technology | Transmission Evaluation utilizing Antenna Prototype for Tablet Devices supporting Wideband Non-Contiguous OFDM Technology Kenshi Horihata, Kazuhiro Kosaka, Issei Kanno, Keiji Takakusaki, Hiroyuki Shinbo (ATR) SR2014-130 |
We are studying the Wideband Non-Contiguous OFDM (WNC-OFDM) to utilize an unused frequency band in lower frequency bands... [more] | SR2014-130 pp.115-120 |
| PN | 2014-11-27 15:20 |
Tokyo | [Invited Talk]
Upward Trend of Mobile Data Traffic toward 5G, and Evolution of Radio Access Network Yukihiko Okumura (NTT DoCoMo) PN2014-22 |
In this talk, upward trend of mobile data traffic toward the fifth generation (5G) mobile communication system, and a 5G... [more] | PN2014-22 pp.13-14 |
|
| AP (2nd) |
2012-12-21 13:15 |
Okinawa | KDDI Naha Building 6F | Radiation Pattern Measurement for Mobile Terminal Antennas Using Optical Probe Takero Asai, Hiroyuki Arai (YNU) |
When we measure radiation patterns of a mobile terminal, the measurement results are significantly influenced by an unb... [more] |
|
| AP, SAT (Joint) |
2012-07-27 15:40 |
Hokkaido | Hokkaido Univ. | A study on measurement uncertainty in wireless performance evaluation of mobile phone Yusuke Okoshi, Kouji Tanaka, Kohei Ogasawara, Toshiyuki Maeyama (Takushoku Univ.) AP2012-63 |
Mobile phones in recent years, numerical analysis of the multi-functional, the antenna is built into the casing due to d... [more] | AP2012-63 pp.191-196 |
| SAT, WBS (Joint) |
2012-05-25 11:25 |
Iwate | Iwate Prefectural University | On grand control arbitrary polarization forming technique for mobile satellite communication systems Yoshinori Suzuki, Takatoshi Sugiyama (NTT) SAT2012-6 |
This paper proposes an On-Ground Polarization-Forming (GPF) technique to realize a novel polarization-tracking-free sate... [more] | SAT2012-6 pp.29-34 |
| IN, RCS (Joint) |
2012-05-18 12:50 |
Tokyo | Kuramae-Kaikan, Tokyo Institute of Technology | MMSE Precoding using the Second-Order Statistics of Channels for Multiuser MIMO Communications Masayuki Harada, Kazuhiko Fukawa, Hiroshi Suzuki, Satoshi Suyama (Tokyo Inst. of Tech.) RCS2012-38 |
This report proposes a minimum mean-square error (MMSE) precoding method using the second-order statistics for multiuser... [more] | RCS2012-38 pp.97-102 |
| AP, ITE-BCT | 2011-02-09 13:10 |
Tokyo | NHK Science Tech. Research Lab. | Evaluation on Performances of Loop Antenna within Case in VHF Band Shimpei Akimoto, Kazuyuki Saito, Masaharu Takahashi, Koichi Ito (Chiba Univ.) AP2010-162 |
In Japan, current terrestrial analogue TV broadcasting service will be completely digitized on July, 2011. Frequency all... [more] | AP2010-162 pp.1-4 |
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