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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCC, ISEC, IT, WBS | 2023-03-14 16:50 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Novel Wireless Communication System Realized by Mobile Terminal Collaboration using Higher-Frequency Bands Hidekazu Murata (Yamaguchi Univ.)  IT2022-88 ISEC2022-67 WBS2022-85 RCC2022-85 |
This paper introduces a transmission/reception technique based on mobile terminal collaboration that equivalently increa... [more] | IT2022-88 ISEC2022-67 WBS2022-85 RCC2022-85 p.126 |
| RCS, SR, SRW (Joint) |
2023-03-01 11:15 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Performance Improvement of Linear MIMO Reception over Time-Variant Channels Using Null-Space Expansion Yuki Ohi, Hidekazu Murata (Yamaguchi Univ.), Makoto Taromaru (Hukuoka Univ.), Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) RCS2022-250 |
This paper considers the improvement of MIMO signal separation performance using a linear spatial filter in a time-varyi... [more] | RCS2022-250 pp.21-24 |
| RCS, SR, SRW (Joint) |
2023-03-01 14:50 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Transmission performance improvement of terminal-collaborated MIMO reception based on subband-based terminal selection Ryosuke Kanda, Hidekazu Murata (Yamaguchi Univ.), Satoshi Suyama, Takayuki Yamada (NTT DOCOMO, INC.) RCS2022-259 |
In terminal-collaborated MIMO (Multiple-Input Multiple-Output) reception, where reception is performed collaboratively w... [more] | RCS2022-259 pp.72-76 |
| RCS, SR, SRW (Joint) |
2023-03-01 15:15 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Transmission Performance of Collaborative MIMO Systems Utilizing Multiple Detection Terminals Hayato Sugai, Hidekazu Murata (Yamaguchi Univ.), Daisuke Murayama, Toshiro Nakahira, Takatsune Moriyama (NTT) RCS2022-260 |
This paper deals with a terminal-collaborated MIMO reception technique, in which nearby terminals collaborate to receive... [more] | RCS2022-260 pp.77-81 |
| ED | 2022-12-08 13:45 |
Aichi | 12/8 Nagoya University, 12/9 WINC AICHI | ED2022-52 |
So far, we have developed a 3-D boundary magnetic charge method (BMCM) for high accuracy field calculation in a static m... [more] | ED2022-52 pp.11-14 |
| ED | 2022-12-09 12:05 |
Aichi | 12/8 Nagoya University, 12/9 WINC AICHI | Electron emission characteristics of LaB6 thermal and Schottky emission at lower than normal heating temperatures Chotaro Kajita, Futo Okada, Takayuki Tanaka, Hidekazu Murata, Eiji Rokuta (Meijou Univ.) ED2022-64 |
We have been developing a novel LaB6 electron gun operates under Schottky emission mode and satisfies the conditions suc... [more] | ED2022-64 pp.44-46 |
| ED | 2022-12-09 16:00 |
Aichi | 12/8 Nagoya University, 12/9 WINC AICHI | Electron emission from W nano-tips fabricated via field-assisted - water and - oxygen etching Yukino Inaba, Sakura Kabeya, Sakiho Morioka, Ayaka Waki, Mako Yoshida, Yuuka Kunieda, Hidekazu Murata, Eiji Rokuta (Meijo Univ.) ED2022-69 |
Field-assisted (FA)-oxygen etching is known as a method to change a typical tungsten (W) needle into highly coherent fie... [more] | ED2022-69 pp.62-63 |
| RCS | 2022-10-28 13:50 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Novel wireless communication system realized by mobile terminal collaboration
-- Recent results and application to uplink transmission -- Hidekazu Murata, Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Univ. of Science), Yutaka Jitsumatsu (Tokyo Tech), Osamu Muta (Kyushu Univ.), Hiraku Okada (Nagoya Univ.), Eiji Okamoto (NITech), Yukitoshi Sanada (Keio Univ.), Toshihiko Nishimura (Hakkaido Univ.), Satoshi Denno (Okayama Univ.) RCS2022-149 |
If nearby wireless terminals cooperate using high-frequency bands, a large number of antennas can be used at the termina... [more] | RCS2022-149 p.107 |
| CQ, MIKA (Joint) |
2021-09-10 11:00 |
Online | Online | Optimal terminal selection based on Doppler frequency estimation for terminal cooperative communications Takuma Fujii, Satoshi Denno, Hou Yafei (Okayama Univ.), Hidekazu Murata (Kyoto Univ.) CQ2021-54 |
Terminal cooperative communications is communication in which multiple terminals receive signals transmitted from a base... [more] | CQ2021-54 pp.82-87 |
| RCS | 2020-10-22 09:30 |
Online | Online | Shared dataset framework toward applications of machine learning and mathematical optimization for 6G Kazuki Maruta (Tokyo Tech.), Yuta Ida (Yamaguchi Univ.), Yafei Hou (Okayama Univ.), Osamu Muta (Kyushu Univ.), Hiraku Okada (Nagoya Univ.), Toshihiko Nishimura (Hokkaido Univ.), Eiji Okamoto (Nagoya Inst. of Tech.), Yukitoshi Sanada (Keio Univ.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2020-92 |
In the research of applying machine learning and mathematical optimization to problems in wireless communication systems... [more] | RCS2020-92 pp.1-6 |
| ED | 2019-11-21 13:00 |
Tokyo | Improvement of electron trajectory calculation in an electromagnetic field using Runge-Kutta-Fehlberg fourth order method Takahiro Ikeda, Hidekazu Murata, Hiroshi Shimoyama (Meijo Univ.) ED2019-59 |
[more] | ED2019-59 pp.1-4 |
|
| ED | 2019-11-21 13:50 |
Tokyo | Fabrication of field emitter array with integral Si ballast resistor Hidetoshi Shinya, Hidekazu Murata, Eiji Rokuta, Hiroshi Shimoyama (Meijo Univ.), Masayoshi Nagao, Katsuhisa Murakami (AIST) ED2019-61 |
The emission current from field emitter fluctuates due to surface migration and adsorption-desorption of residual gas mo... [more] | ED2019-61 pp.9-12 |
|
| CS | 2019-11-01 09:20 |
Kagoshima | Kirishima-Hotel | Mobile Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.) CS2019-66 |
Mobile terminal collaborated multiple-input multiple-output (MIMO) reception is a form of distributed MIMO transmission,... [more] | CS2019-66 pp.21-26 |
| RCS, SR, SRW (Joint) |
2019-03-08 14:10 |
Kanagawa | YRP | Study of Adaptive Terminal Selection in Terminal Collaborated MIMO Reception and Its Performance Evaluation with Actual Received Signals Masahiro Arai, Hidekazu Murata (Kyoto Univ.) RCS2018-336 |
Currently, terminal collaborated reception, a type of MIMO (Multiple-Input Multiple-Output) commu- nication using severa... [more] | RCS2018-336 pp.285-290 |
| SR, RCS (Joint) (2nd) |
2018-10-31 08:30 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Invited Talk] R&D Activities for 5G in IEICE Technical Committee on Radio Communication Systems in FY2017
-- Multi-Antenna Technologies and Advanced Modulation/Multiple Access Schemes -- Eisuke Fukuda (Fujitsu Labs.), Hidekazu Murata (Kyoto Univ.), Tomoaki Ohtsuki, Yukitoshi Sanada (Keio Univ.), Satoshi Suyama (NTT DOCOMO), Fumiaki Maehara (Waseda Univ.), Tomoya Tandai (Toshiba), Toshihiko Nishimura (Hokkaido Univ.), Tetsuya Yamamoto (Panasonic), Koichi Ishihara (NTT), Kazushi Muraoka (NTT DOCOMO), Shinsuke Ibi (Osaka Univ.), Hiroshi Nishimoto (Mitsubishi Electric) |
[more] | |
| ED | 2018-10-24 14:00 |
Tokyo | Improvements of a number of active tips and emission measurements from individual tips in volcano-structured Spindt-type field emitter arrays Hidetoshi Shinya, Hidekazu Murata, Takahiro Ikeda, Eiji Rokuta, Hiroshi Shimoyama (Meijo Univ.), Masayoshi Nagao, Katsuhisa Murakami (AIST) ED2018-26 |
We have developed an electron optical instrument for evaluation of multi emitters. The instrument enables us to obtain q... [more] | ED2018-26 pp.1-4 |
|
| ED | 2018-10-24 14:50 |
Tokyo | Fabrication of noble-metal coated nano-emitter with palladium oxide as noble-metal source
-- Study of reduction treatment for palladium oxide -- Hirotaka Asai, Ryota Kawai, Fumiya Matsubara, Takayuki Tanaka, Hidekazu Murata, Eiji Rokuta (Meijo Univ.) ED2018-28 |
[more] | ED2018-28 pp.9-12 |
|
| ED | 2018-10-24 15:35 |
Tokyo | Structural changes of a nickel tip induced by a formation of Graphene Ryota Kawai, Hirotaka Asai, Fumiya Matsubara, Takayuki Tanaka, Hidekazu Murata, Eiji Rokuta (Meijo Univ.) ED2018-29 |
[more] | ED2018-29 pp.13-16 |
|
| RCS, SR, SRW (Joint) |
2018-02-28 11:10 |
Kanagawa | YRP | Study on Effective Utilization of Micro Cells in Heterogenous Network
-- Mobility Control in Specific Areas -- Mitsuru Uesugi (Panasonic), Eiji Okamoto (NITECH), Yukitoshi Sanada (Keio Univ.), Hidekazu Murata (Kyoto Univ.) RCS2017-323 |
In order to realize high speed, low latency and large capacity of the wireless communication system, as represented by 5... [more] | RCS2017-323 pp.37-40 |
| RCS, SR, SRW (Joint) |
2018-02-28 11:30 |
Kanagawa | YRP | Study on Effective Utilization of Micro Cells in Heterogeneous Network
-- Performance Improvement of Frequency-efficiency by Mobility Control -- Eiji Okamoto (NITech), Mitsuru Uesugi (Panasonic), Yukitoshi Sanada (Keio Univ.), Hidekazu Murata (Kyoto Univ.) RCS2017-324 |
In the current mobile communication systems, heterogeneous network, in which broadband microcells with higher frequency ... [more] | RCS2017-324 pp.41-44 |
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