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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SeMI | 2024-01-18 15:35 |
Yamanashi | Raki House Kaiji | [Poster Presentation]
Towards Activity Recognition Using Wi-Fi CSI from Backscatter Tags in Indoor Environment Kazuki Miyao, Erdelyi Viktor, Akira Uchiyama (Osaka Univ.), Tomoki Murakami (NTT)  SeMI2023-60 |
Recently, activity recognition using Wi-Fi CSI has received significant attention due to its low deployment cost, such a... [more] | SeMI2023-60 pp.56-57 |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Indoor 3D Wireless Quality Evaluation System Using Drones Hiroaki Shimmiya, Tomoki Murakami, Tomoaki Ogawa, Yasushi Takatori (NTT) |
The realization of smart factories utilizing robots such as automated guided vehicles and drones requires the stability ... [more] | |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
An Experiment-based Evaluation of Detection Performance on Antenna Placement of WLAN-based Indoor Object Detection Systems Using CSI Junsuke Izumi, Shunsuke Shimizu, Osamu Muta (Kyushu Univ.), Tomoki Murakai, Shinya Otsuki (NTT) |
Various object detection schemes utilizing channel state information (CSI) in wireless local area network (WLAN) systems... [more] | |
| CQ, MIKA (Joint) |
2023-08-31 14:40 |
Fukushima | Tenjin-Misaki Sports Park | [Invited Talk]
Evaluation of Wireless Spatial Reproduction Technology Using RIS in Indoor Environment Ryotaro Taniguchi, Tomoki Murakami, Tomoaki Ogawa, Yusuke Asai, Yasushi Takatori (NTT) CQ2023-27 |
[more] | CQ2023-27 pp.2-13 |
| CS | 2023-07-28 11:05 |
Tokyo | Hachijo-machi Chamber of Commerce and Industry | [Invited Talk]
An Experiment-based Study on Indoor Object Detection Using Channel State Information in WLAN Systems Osamu Muta, Kazuki Noguchi, Shunsuke Shimizu (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (NTT) CS2023-52 |
[more] | CS2023-52 pp.131-134 |
| RCS | 2023-06-14 11:10 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A study on relationship between split control of intelligent reflecting surface and date rate Taishi Endo, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Masashi Iwabuchi, Tomoaki Murakami (NTT) RCS2023-37 |
IRS has a problem that it cannot reflect all frequencies in the intended direction when the entire device is used to for... [more] | RCS2023-37 pp.54-58 |
| RCS | 2023-06-15 09:30 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
An Experiment-based Evaluation of Detection Performance on Antenna Placement of WLAN-based Indoor Object Detection Systems Using CSI Shunsuke Shimizu, Noguchi Kazuki, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (NTT) RCS2023-47 |
[more] | RCS2023-47 pp.111-116 |
| 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 |
| CAS, CS | 2023-03-01 11:20 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Experimental Evaluation of Indoor Object Detection Characteristics Using CSI in Wireless LAN Systems
-- Effect of Antenna Placement on Detection Characteristics -- Kazuki Noguchi, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (NTT) CAS2022-100 CS2022-77 |
Various object detection schemes utilizing channel state information (CSI) in wireless local area network (WLAN) systems... [more] | CAS2022-100 CS2022-77 pp.23-28 |
| CAS, CS | 2023-03-02 12:10 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Proposal of CSI Sampling for Practical Environment on Device Grouping toward Put-and-Play IoT Systems Shigemi Ishida (FUN), Tomoki Murakami, Shinya Otsuki (NTT) CAS2022-117 CS2022-94 |
This paper presents a wireless LAN channel state information (CSI) sampling method to use the IoT device grouping system... [more] | CAS2022-117 CS2022-94 pp.123-128 |
| AP | 2023-02-15 13:25 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A study on future networks integrated sensing and communication Tomoki Murakami, Shinya Otsuki, Tomoaki Ogawa, Yasushi Takatori (NTT) AP2022-203 |
[more] | AP2022-203 pp.34-39 |
| SeMI, SeMI (Joint) |
2023-01-19 15:15 |
Tokushima | Naruto grand hotel (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Improving the Robustness of Wi-Fi Sensing against Environmental Change Sorachi Kato (OU), Tomoki Murakami (NTT), Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari (OU) SeMI2022-82 |
There is research on invasive sensing of objects using Channel State Information (CSI), which represents the propagation... [more] | SeMI2022-82 pp.49-50 |
| SRW, SeMI, CNR (Joint) |
2022-11-25 11:05 |
Tochigi | Epinard Nasu (Primary: On-site, Secondary: Online) |
n/a Natsuki Ikuo, Sorachi Kato, Hiroaki Shinmiya, Takuya Fujihashi (Osaka Univ.), Tomoki Murakami (NTT), Takashi Watanabe, Shunsuke Saruwatari (Osaka Univ.) SeMI2022-58 |
(To be available after the conference date) [more] | SeMI2022-58 pp.31-36 |
| NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-14 13:25 |
Ishikawa | The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
Deep Reinforcement Learning-based IRS-aided Wireless Communication without Channel State Information Hashida Hiroaki, Kawamoto Yuichi, Kato Nei (Tohoku Univ.), Iwabuchi Masashi, Murakami Tomoki (NTT) RCS2022-85 |
Intelligent reflecting surfaces (IRSs) have attracted attention as devices that enable radio propagation, which has been... [more] | RCS2022-85 pp.84-89 |
| 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, SRW (Joint) |
2022-03-04 14:55 |
Online | Online | AF Relay Station Deployment Method Considering Uniform Coverage and Blocking in MmWave Cellular Systems Takumi Yoneda, Kei Sakaguchi (Tokyo Tech), Masashi Iwabuchi, Tomoki Murakami (NTT) RCS2021-290 |
Millimeter-wave (mmWave) communication, which has been commercialized in the 5th generation mobile communication system ... [more] | RCS2021-290 pp.189-194 |
| AP, WPT (Joint) |
2022-01-20 14:40 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Invited Lecture]
MIMO capacity estimation method based on scale model with visible light Ryotaro Taniguchi, Tomoki Murakami, Minoru Inomata, Tomoaki Ogawa, Yasushi Takatori (NTT) AP2021-145 |
As the theme of "MIMO System Capacity Estimation", the 3rd Propagation Modeling Competition will be held in the Technica... [more] | AP2021-145 pp.59-63 |
| RCS, SIP, IT | 2022-01-20 15:10 |
Online | Online | [Invited Talk]
Wireless link quality prediction using physical space information in Society 5.0 Riichi Kudo, Kahoko Takahashi, Hisashi Nagata, Tomoki Murakami, Tomoaki Ogawa (NTT) IT2021-44 SIP2021-52 RCS2021-212 |
Thanks to the great advances in wireless communication systems, many types of the wireless terminals are available. It i... [more] | IT2021-44 SIP2021-52 RCS2021-212 pp.93-94 |
| SeMI | 2022-01-21 09:20 |
Nagano | (Primary: On-site, Secondary: Online) |
[Short Paper]
A Preliminary Study on Activity Recognition by Wi-Fi Imaging Kazuki Okawara (Osaka Univ.), Akira Uchiyama (Osaka Univ./JST PRESTO), Viktor Erdelyi (Osaka Univ.), Tomoki Murakami, Hirantha Abeysekera (NTT), Teruo Higashino (Osaka Univ.) SeMI2021-72 |
In recent years, research on human activity recognition using Wi-Fi has been widely conducted.Wi-Fi can solve problems s... [more] | SeMI2021-72 pp.75-79 |
| AP, RCS (Joint) |
2021-11-10 16:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Study on signal processing method of virtual massive array with measured pattern Sota Takahashi, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami (NTT) AP2021-107 |
[more] | AP2021-107 pp.39-43 |
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