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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2024-03-14 10:50 |
Okinawa | Group Delay Ripple Reduction Method for Sound Source Localization Using Wide Width Microphone Pairs Shunsuke Ase, Tomoya Hori, Kenji Suyama (Tokyo Denki Univ.)  CAS2023-114 CS2023-107 |
GRODMIC is a method proposed as a high spatial resolution source localization. Essential task of this method is an estim... [more] | CAS2023-114 CS2023-107 pp.17-22 |
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| CAS, CS | 2024-03-14 11:15 |
Okinawa | Omni-Directional Sound Source Localization By Group Delay Sample Selection Using FIR-IIR Filter Structure Shun Hatano, Tomoya Hori, Kenji Suyama (Tokyo Denki Univ.) CAS2023-115 CS2023-108 |
An omnidirectional sound source localization method based on a role selection of microphone pairs has been developed. Si... [more] | CAS2023-115 CS2023-108 pp.23-28 |
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| SIP, SP, EA, IPSJ-SLP [detail] | 2024-02-29 16:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
Multiple Sound Source Localization using High Spatial Resolution Microphone Pairs Tomoya Hori, Kenji Suyama (Tokyo Denki Univ.) EA2023-92 SIP2023-139 SP2023-74 |
In this paper, We propose GRODMIC as a high resolution single sound source localization method. This method achieves h... [more] |
EA2023-92 SIP2023-139 SP2023-74 pp.185-189 |
| SIP, IT, RCS | 2024-01-18 17:35 |
Miyagi | (Primary: On-site, Secondary: Online) |
Analysis of antenna selection based adaptive antenna for interference cancellation Jumpei Shimaoka, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology), Antti Tolli (University of Oulu) IT2023-49 SIP2023-82 RCS2023-224 |
Adaptive antenna array based on two antenna selection (AAA-TS: Adaptive Antenna Array based on Two antenna Selection) is... [more] | IT2023-49 SIP2023-82 RCS2023-224 pp.99-104 |
| UWT (2nd) |
2023-11-27 16:50 |
Shiga | Ritsumeikan University Biwako-Kusatsu Campus (BKC) | Highly efficient underwater acoustic OFDM transmission system using blind delayed wave suppression
-- Verification by simulation and construction of experimental system -- Ikeda Haruya, Sumita Soma (Tokyo Univ. of Science), Hisano Daisuke, Sakai Masahiro (Osaka Univ.), Maruta Kazuki (Tokyo Univ. of Science) |
For Beyond 5G/6G, research on non-terrestrial wireless communications (e.g., in space, underwater, etc.) is being conduc... [more] | |
| UWT (2nd) |
2023-11-27 17:15 |
Shiga | Ritsumeikan University Biwako-Kusatsu Campus (BKC) | Multi-antenna Passband Channel Simulator for Underwater Acoustic Communications Soma Sumita, Haruya Ikeda (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Hiroshi Kubo (Ritsumeikan Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Recently, research on underwater acoustic communication in Beyond 5G/6G has attracted much attention. Since the speed of... [more] | |
| AP, RCS (Joint) |
2023-11-17 09:30 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
A Study on Null Depth Control using Multiple Null Constrained transmission directivity control for Microwave Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera) AP2023-147 |
In adaptive array transmission, beamforming performance can be improved by controlling the null depth. In microwave wire... [more] | AP2023-147 pp.86-91 |
| AP, RCS (Joint) |
2023-11-17 11:00 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Underwater acoustic OFDM transmission system with blind delay wave suppression Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-171 |
For Beyond 5G/6G, research on wireless communications outside of land (e.g., in space, underwater, etc.) is underway. Am... [more] | RCS2023-171 pp.95-100 |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Evaluation of Interference Suppression Performance of ICA in Time-varying Channel Environment Soma Sumita, Haruya Ikeda (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Research on underwater acoustic communication has been attracting attention in Beyond 5G/6G. Since the speed of sound i... [more] |
|
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Indoor Water Tank Transmission Experiment for Highly Efficient Underwater Acoustic OFDM Transmission Haruya Ikeda, Soma Sumita (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Beyond 5G/6G aims to cover beyond terrestrial communications, e.g., space, underwater, etc. Underwater acoustic communic... [more] | |
| AP | 2023-03-17 09:30 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
A Study on the Transmission Directivity Control using wide-angle nulling for the Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-241 |
When the beam wireless power transmission is used in an indoor manned environment, the power transmission efficiency and... [more] | AP2022-241 pp.43-48 |
| RCS, SR, SRW (Joint) |
2023-03-03 09:00 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Analysis of the SINR properties of AAA-WS under multipath environment Jumpei Shimaoka, Shun Ishihara, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology) RCS2022-284 |
In this paper, we analyze the SINR properties of adaptive antenna array based on not only weight but also antenna space ... [more] | RCS2022-284 pp.201-206 |
| CAS, CS | 2023-03-02 15:15 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Validation of the model order for source localization based on propagation delay estimation using adaptive filters Shunsuke Ase, Kenji Suyama (Tokyo denki univ.) CAS2022-121 CS2022-98 |
Microphone array localization is a technique for estimating the direction of a sound source based on the difference in a... [more] | CAS2022-121 CS2022-98 pp.145-149 |
| CAS, CS | 2023-03-02 16:05 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
A Proposal of Group Delay Selection Method for Approximate Transfer System for Improving the Accuracy of Sound Source Localization Tomoya Hori, Kenji Suyama (Tokyo Denki Univ.) CAS2022-123 CS2022-100 |
We have developed method for source localization using 2 microphones with high spatial resolution. In this method, TDOA ... [more] | CAS2022-123 CS2022-100 pp.155-160 |
| IT, RCS, SIP | 2023-01-24 11:55 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Interference Suppression Performance of CMA Using Time-Domain Inter-Symbol Spreading in Time-Varying Channel Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT) IT2022-33 SIP2022-84 RCS2022-212 |
Blind adaptive array (BAA) can suppress unknown co-channel interference without reference signal. Vehicle-to-everythin... [more] |
IT2022-33 SIP2022-84 RCS2022-212 pp.25-29 |
| RCS, AP, UWT (Joint) |
2022-11-16 14:30 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Vital-Sign Tracking Method Using Modified CMA Adaptive Array Yuta Ogawa, Naoki Honma, Kentaro Murata, Morio Iwai, Koichiro Kobayashi (Iwate Univ.) AP2022-162 |
This paper proposes a modified beamforming method based on the CMA (Constant Modulus Algorithm) for MIMO (Multiple-Input... [more] | AP2022-162 pp.85-90 |
| RCS | 2022-10-28 09:25 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Improving Semi-Blind Interference Suppression on Multi-Cell Massive MIMO Systems by Multi-Antenna Users Kazuki Maruta (Tokyo Univ. of Science) RCS2022-142 |
When the number of spatial multiplexing is increased in a Massive MIMO system to increase capacity, the number of orthog... [more] | RCS2022-142 pp.65-70 |
| AP | 2022-10-20 16:25 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
A Study on the Transmission Directivity Control for the Wireless Power Transmission
-- Linearly Constrained Retrodirective Method -- Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera Corp.), Mitoshi Fujimoto (Univ. of Fukui) AP2022-146 |
When the beam wireless power transmission, which can supply power to devices at a distance using microwaves, is used in ... [more] | AP2022-146 pp.239-244 |
| MIKA (3rd) |
2022-10-13 11:10 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Interference Suppression Performance of Blind Adaptive Array in Time-Varying Channel Environment Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT) |
Blind adaptive array (BAA) can suppress unknown co-channel interference without reference signal. Vehicle-to-everythin... [more] |
|
| AP, RCS (Joint) |
2021-11-11 11:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A study on SINR Characteristics of Adaptive Antenna Array based on Weight and Antenna Space Control Shun Ishihara, Kenta Umebayashi (TUAT), Antti Tolli (UOO) RCS2021-160 |
This paper addresses the analysis of the performance of adaptive antenna array based on weight and antenna space control... [more] | RCS2021-160 pp.92-97 |
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