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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2023-03-02 09:50 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Study on Dynamic Channel Assignment in Wireless LAN Using Analytical Hierarchy Process Manami Endo, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT)  SRW2022-49 |
In response to the shortage of available frequency channels in wireless LAN, the use of the 6 GHz band is being consider... [more] | SRW2022-49 pp.31-36 |
| RCS | 2022-10-28 12:10 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Concept and Issues of New Radio Network Topology for 5G Evolution & 6G Masashi Iwabuchi (NTT), Satoshi Suyama (NTT DOCOMO), Takuto Arai (NTT), Mitsuki Nakamura, Kenta Goto (NTT DOCOMO), Riku Ohmiya, Daisei Uchida (NTT), Takayuki Yamada (NTT DOCOMO), Tomoaki Ogawa (NTT) RCS2022-148 |
[more] | RCS2022-148 pp.101-106 |
| MW | 2022-06-09 15:05 |
Nagano | Naganoken Nokyo Building (Primary: On-site, Secondary: Online) |
[Invited Talk]
Activites on utilizing Reconfigurable Intelligent Surface for wireless channel control Masashi Iwabuchi, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) MW2022-26 |
In this talk, we will introduce our activities for wireless channel control using recinfgurable intelligent surface(RIS)... [more] | MW2022-26 p.19 |
| RCS, SR, SRW (Joint) |
2022-03-03 10:45 |
Online | Online | A Study on Computational Reduction for Dynamic Spectrum Access Database Ryota Niioka, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT) SRW2021-74 |
Dynamic spectrum access (DSA) has been attracting attention to address the problem of insufficient frequency bands due t... [more] | SRW2021-74 pp.27-32 |
| RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-15 13:25 |
Online | Online | [Invited Lecture]
Intelligent radio-wave design for communication quality enhancement Tomoki Murakami, Masashi Iwabuchi, Riku Ohmiya, Tomoaki Ogawa (NTT) RCC2021-31 NS2021-47 RCS2021-89 SR2021-29 SeMI2021-23 |
[more] | RCC2021-31 NS2021-47 RCS2021-89 SR2021-29 SeMI2021-23 pp.43-48(RCC), pp.81-86(NS), pp.61-66(RCS), pp.48-53(SR), pp.57-62(SeMI) |
| RCS, SR, SRW (Joint) |
2021-03-05 10:55 |
Online | Online | A Study on Spectrum Database for Wireless LAN Junya Yamaguchi, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT) SRW2020-76 |
In this paper, a dynamic spectrum sharing (DSS) method using spectrum database is investigated for wireless LAN. Demand ... [more] | SRW2020-76 pp.82-87 |
| RCS, SR, SRW (Joint) |
2021-03-05 16:55 |
Online | Online | [Invited Lecture]
Intelligent radio-wave design that controls the propagation path itself Riku Ohmiya, Masashi Iwabuchi, Tomoki Murakami, Tomoaki Ogawa, Yasushi Takatori (NTT) SRW2020-82 |
(To be available after the conference date) [more] | SRW2020-82 pp.104-109 |
| SRW | 2020-08-24 10:50 |
Online | Online | A Study on Dynamic Spectrum Sharing by Database for White Space Utilization Ryota Niioka, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT) SRW2020-11 |
Dynamic spectrum sharing (DSS) has been paid attention as a promising scheme to meet increasing demand of radio spectrum... [more] | SRW2020-11 pp.13-18 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 13:25 |
Online | Online | Optimization of repeater combinations using integer programming Riku Ohmiya, Tomoki Murakami, Masashi Iwabuchi, Masaaki Nishino, Tomoaki Ogawa, Yasushi Takatori (NTT) RCS2020-63 |
In recent years, a new type repeater called IRS (Intelligent Reflecting Surface) that can reconfigure the propagation pa... [more] | RCS2020-63 pp.31-36 |
| SRW | 2020-06-29 13:25 |
Online | Online | Distributed intelligent reflecting surfaces utilizing direction information in millimeter-wave communications Masashi Iwabuchi, Tomoki Murakami, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) SRW2020-8 |
This paper proposes a distributed intelligent reflecting surfaces (IRSs) based on direction information instead of chann... [more] | SRW2020-8 pp.23-28 |
| MIKA (2nd) |
2019-10-03 11:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Experimental evaluation of Virtual Massive MIMO System Tomoki Murakami, Riku Ohmiya, Yasushi Takatori (NTT) |
[more] | |
| RCS, SIP, IT | 2019-02-01 11:15 |
Osaka | Osaka University | Three-dimensional Cooperative Carrier Sensing for Un-Used Frequency Utilization Riku Ohmiya, Tomoki Murakami, Koichi Ishihara, Takafumi Hayashi, Takatori Yasushi (NTT) IT2018-57 SIP2018-87 RCS2018-264 |
As mobile terminals such as smartphones explosively spread, mobile traffic’s volume also continues to increase. Along wi... [more] | IT2018-57 SIP2018-87 RCS2018-264 pp.127-132 |
| NS, IN (Joint) |
2017-03-02 11:20 |
Okinawa | OKINAWA ZANPAMISAKI ROYAL HOTEL | Quality Improvement by Optimal Placement with Considering Interference in Multiple Ad-Hoc Networks Riku Ohmiya (Nagoya Univ.), Hiroyasu Obata (Hiroshima City Univ.), Tutomu Murase (Nagoya Univ.) IN2016-111 |
In the 5th generation mobile network, a demand for ad hoc networks in which devices directly communicate each other with... [more] | IN2016-111 pp.85-90 |
| IN, NV (Joint) |
2016-07-16 10:05 |
Hokkaido | Matsumaecho Sougo Center | Fairness Control of Contention Window for Parallel Transfer Ad-Hoc Network with Legacy Network Riku Ohmiya (Nagoya Univ.), Hiroyasu Obata (Hiroshima City Univ.), Tutomu Murase (Nagoya Univ.) IN2016-33 |
In the 5th generation mobile network, a demand for ad hoc networks in which devices directly communicate each other with... [more] | IN2016-33 pp.61-66 |
| NS, IN (Joint) |
2016-03-03 09:50 |
Miyazaki | Phoenix Seagaia Resort | Contention Window Control Scheme for Parallel Transfer in Ad-Hoc Networks Riku Ohmiya, Tutomu Murase (Nagoya Univ.) IN2015-110 |
When ad hoc networks become popular, radio interference in ad hoc networks due to collision causes the same problems on ... [more] | IN2015-110 pp.13-18 |
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