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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation on virtual massive array with measured patterns in multi-level modulation scheme Sota Takahashi, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami (NTT) |
[more] | |
| CQ, MIKA (Joint) |
2021-09-09 14:05 |
Online | Online | [Invited Talk]
Deep Learning based position estimation method using WLAN CSI feedback Riichi Kudo, Kahoko Takahashi, Tomoki Murakami, Tomoaki Ogawa (NTT)  CQ2021-45 |
Thanks to the great advances in wireless communication systems, many types of the wireless terminals are available. It i... [more] | CQ2021-45 pp.40-45 |
| SRW | 2021-08-24 13:00 |
Online | Online | [Panel Discussion]
A study of Intelligent Radio-wave Design Tomoki Murakami (NTT) SRW2021-20 |
[more] | SRW2021-20 p.18 |
| 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 | 2021-06-25 09:30 |
Online | Online | Experimental Evaluation of Frequency-domain Feature Selection for CSI-based Object Detection in Wireless LAN Systems Kazuki Noguchi, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (former NTT) RCS2021-64 |
Various object detection schemes utilizing channel state information (CSI) in wireless local area network (WLAN) system... [more] |
RCS2021-64 pp.202-207 |
| SRW | 2021-06-21 13:10 |
Online | Online | [Short Paper]
Experimental Evaluation of Wireless Sensing using 5G System Tomoki Murakami, Shinya Ohtsuki (NTT), Yutaka Musaka, Atsushi Fukuda (NTTドコモ) SRW2021-8 |
[more] | SRW2021-8 p.38 |
| CS, CQ (Joint) |
2021-05-14 11:40 |
Online | On-line | Web QoE Evaluation of the Effect of the Number of Simultaneous Connecting Devices and RSSI under Wi-Fi Hideki Ogawa, Taichi Kawano, Masayoshi Nabeshima, Tomoki Murakami (NTT) CQ2021-15 |
It is assumed that QoE degrades when multiple devices simultaneously connect with AP and RSSI of each device is low unde... [more] | CQ2021-15 pp.65-69 |
| RCS, SR, SRW (Joint) |
2021-03-04 11:35 |
Online | Online | [Poster Presentation]
A Study on Channel State Information Selection for Wireless LAN-based Object Detection Systems, Part-II Eiki Ando, Hiroki Senji, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (former NTT) RCS2020-235 SR2020-74 SRW2020-64 |
[more] | RCS2020-235 SR2020-74 SRW2020-64 pp.159-160(RCS), pp.52-53(SR), pp.47-48(SRW) |
| 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 |
| RCS, SR, SRW (Joint) |
2021-03-05 17:20 |
Online | Online | [Invited Lecture]
A Study on mmWave Multi-hop Analog Relay Single-User MIMO Takumi Yoneda, Kei Sakaguchi (Tokyo Tech), Masashi Iwabuchi, Tomoki Murakami (NTT) SRW2020-83 |
Millimeter-wave (mmWave) communication is a key technology to realize ultra-high data-rate and ultra-low latency wireles... [more] | SRW2020-83 pp.110-115 |
| SeMI, IPSJ-MBL, IPSJ-UBI [detail] | 2021-03-02 14:30 |
Online | Online | [Poster Presentation]
A Preliminary Study on Wi-Fi CSI Imaging Kazuki Okawara (Osaka Univ.), Akira Uchiyama (Osaka Univ./JST PRESTO), Viktor Erdelyi (Osaka Univ.), Tomoki Murakami, Hirantha Abeysekera (NTT), Teruo Higashino (Osaka Univ.) SeMI2020-68 |
Human activity recognition using Wi-Fi CSI (Channel State Information) has been widely studied recently. CSI has advanta... [more] | SeMI2020-68 pp.63-66 |
| SANE | 2021-01-28 14:40 |
Online | Online | Evaluation of Short-Range Indoor Positioning Method Using V matrix and Non-Uniform Antenna Array Yuto Takahashi, Naoki Honma, Kentaro Murata (Iwate Univ), Tomoki Murakami, Tomoaki Ogawa (NTT) SANE2020-41 |
In this report, we propose an indoor localization method using a captured V matrix, which is used in the devices complyi... [more] | SANE2020-41 pp.20-25 |
| SIP, IT, RCS | 2021-01-22 12:30 |
Online | Online | Deep Learning based Link Quality Prediction for Autonomous Mobility Robots Riichi Kudo, Kahoko Takahashi, Tomoki Murakami, Tomoaki Ogawa (NTT) IT2020-102 SIP2020-80 RCS2020-193 |
Highly advanced mobility robots are expected to be managed, monitored, or efficiently controlled by using wireless commu... [more] | IT2020-102 SIP2020-80 RCS2020-193 pp.218-223 |
| CQ, CBE (Joint) |
2021-01-20 09:45 |
Online | Online | Study on signal selection in blind based virtual massive array Sota Takahashi, Issei Watanabe, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Tomoki Murakami (NTT) CQ2020-60 |
In fifth-generation (5G) and later (B5G/6G) systems, massive multiple-input-multiple-output (MIMO) systems using a large... [more] | CQ2020-60 pp.1-4 |
| CQ, CBE (Joint) |
2021-01-21 16:00 |
Online | Online | [Poster Presentation]
Performance Evaluation of Channel State Information Clustering for Wireless LAN-based Object Detection Systems Eiki Ando, Hiroki Senji, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (former NTT) CQ2020-77 |
Various object detection schemes utilizing channel state information (CSI) in WLAN systems have been investigated recent... [more] | CQ2020-77 pp.68-69 |
| RCS, AP, UWT (Joint) |
2020-11-26 16:05 |
Online | Online | A Study on Channel State Information Selection for Wireless LAN-based Object Detection Systems Hiroki Senji, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (former NTT) RCS2020-130 |
[more] | RCS2020-130 pp.110-115 |
| 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 11:00 |
Online | Online | Evaluation of High-Speed Directional Switching Antenna for Virtual Massive MIMO System Tomoki Murakami (NTT), Tomohiro Seki (Nihon Univ.), Yasushi Takatori (NTT) SRW2020-3 |
[more] | SRW2020-3 p.5 |
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