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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| RCS, SAT (Joint) |
2023-09-01 09:50 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Virtual Cell MU-MIMO Canceller Coordinating Base Stations in TDD Transmission
-- Eigenmode transmission without feedback of transmit and receive weights -- Ryohei Maeda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech./SoftBank) RCS2023-118 |
In mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere within a cell. In a ... [more] | RCS2023-118 pp.85-89 |
| 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 |
| 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, AP, UWT (Joint) |
2022-11-17 15:50 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study on Improvement of Communication Quality by Base Station Cooperative Up-Link MU-MIMO Interference Canceller with mixed SIMO and MIMO Transmissions Ryohei Maeda (Tokyo Tech), Teruya Fujii (Tokyo Tech/Softbank Corp.) RCS2022-184 |
The mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. In a mob... [more] | RCS2022-184 pp.167-172 |
| 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 |
| SAT, RCS (Joint) |
2022-08-25 10:40 |
Hokkaido | (Primary: On-site, Secondary: Online) |
A Study on Improvement of Communication Quality in Uplink SIMO Transmission with Base Station Cooperative MU-MIMO Interference Canceller Maeda Ryohei, Fujii Teruya (Tokyo Tech.) RCS2022-99 |
The mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. In a mob... [more] | RCS2022-99 pp.12-17 |
| AP, RCS (Joint) |
2021-11-10 15:30 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Study on Uplink Communication Capacity Improvement by Base Station Cooperative Virtualized Cell Configuration MU-MIMO Canceller with Adaptive Antenna Beam Forming Ryohei Maeda (Tokyo Tech.), Teruya Fujii (Tokyo Tech./SoftBank) RCS2021-152 |
The coming mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. I... [more] | RCS2021-152 pp.46-51 |
| RCS, IN, NV (Joint) |
2021-05-27 15:35 |
Online | Online | A Study on the Frequency Effective Usage by Base Stations Distributed MU-MIMO with Adaptive Antenna Beamforming Ryohei Maeda, Teruya Fujii (Tokyo Tech.) RCS2021-21 |
The coming mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. I... [more] | RCS2021-21 pp.29-34 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-03 15:45 |
Online | Online | [Invited Talk]
Early Days of Adaptive Beamforming for Sound Acquisition Osamu Hoshuyama (Kyocera), Yutaka Kaneda (TDU) EA2020-75 SIP2020-106 SP2020-40 |
In this paper, we look back to the early researches of adaptive beamforming for sound acquisition in the 1980s and 90s, ... [more] | EA2020-75 SIP2020-106 SP2020-40 pp.91-96 |
| SR | 2018-10-31 10:25 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Performance analysis of Two elements Adaptive Array Antenna based on Weights and Space Control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli, Jarkko Kaleva (UoO) SR2018-81 |
Adaptive Array Antenna based on weight control (AAA-W) which has fixed antenna position suppresses M-1 interference sign... [more] | SR2018-81 pp.51-56 |
| SANE | 2017-11-23 15:40 |
Overseas | Malaysia (Borneo Island) | Smart Antenna System for Unknown Uncorrelated Source Groups in Multipath Environment Ahmad Aminu (Kanopoly), Wan Azlan Wan Zainal Abidin, Kismet Anag Hong Ping (UNIMAS), Ibrahim Abba (Kanopoly) SANE2017-71 |
Abstract This study presents smart antenna system for unknown uncorrelated source groups containing coherent signals. T... [more] | SANE2017-71 pp.45-49 |
| US | 2016-10-07 14:55 |
Fukushima | College of Eng., Nihon Univ. | A Method for Combining Sub-Array Averaging with Sub-Aperture Beamforming in Adaptive Beamformer Hideyuki Hasegawa (Univ. Toyama) US2016-45 |
We have increased the temporal resolution of ultrasonic imaging to more than 1 kHz for accurate measurement of tissue dy... [more] | US2016-45 pp.7-10 |
| CQ (2nd) |
2015-10-30 13:20 |
Osaka | [Poster Presentation]
A study on simplified adaptive modulation scheme in multi-user MIMO in block diagonalization Ryotaro Taniguchi, Kentaro Nishimori, Hayate Kimoto, Hideo Makino (Niigata Univ.) |
Multi-user MIMO (MU-MIMO), which realizes the communication with multiple user equipments (UEs) by having a large number... [more] | ||
| RCC, ASN, NS, RCS, SR (Joint) |
2014-07-31 10:50 |
Kyoto | Kyoto Terrsa | [Poster Presentation]
Transmission Performance of Adaptive Sensor Collaborative Beamforming Masahiro Fujita, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.) RCC2014-31 NS2014-51 RCS2014-103 SR2014-32 ASN2014-50 |
This paper evaluates transmission performance and power-saving effect of sensor collaborative beamforming by adaptive tr... [more] | RCC2014-31 NS2014-51 RCS2014-103 SR2014-32 ASN2014-50 pp.49-54(RCC), pp.27-32(NS), pp.81-86(RCS), pp.69-74(SR), pp.57-62(ASN) |
| RCS | 2014-06-18 17:20 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | A Study on Next-Generation Wireless Access with Higher Frequency Bands Akihiro Okazaki, Hiroki Iura, Noriyuki Fukui, Keijiro Take, Atsushi Okamura (Mitsubishi Electric) RCS2014-81 |
Recently, radio access technologies for fifth generation (5G) over higher frequency bands have been extensively studied.... [more] | RCS2014-81 pp.287-292 |
| SIP | 2013-08-30 11:00 |
Tokyo | Tokyo University of Agriculture and Technology | Adaptive Acoustic Beamforming by Tracking the Principal Generalized Eigenvector With Decaying Windows Mitsuaki Shiono, Toshihisa Tanaka (Tokyo Univ. of Agliculture and Tech) SIP2013-78 |
We propose an method that obtain filter coefficients of the adaptive acoustic beamforming based on maximization the outp... [more] | SIP2013-78 pp.61-66 |
| MBE, NC (Joint) |
2013-03-15 16:00 |
Tokyo | Tamagawa University | Acoustic imaging using wide-band beamformer based on complex-valued neural networks Kotaro Terabayashi, Akira Hirose (Univ. of Tokyo) NC2012-182 |
This paper proposes a beamforming method using a complex-valued spatio-temporal neural network for wideband acoustic ima... [more] | NC2012-182 pp.279-284 |
| CS, SIP, CAS | 2011-03-03 09:00 |
Okinawa | Ohhamanobumoto memorial hall (Ishigaki)( | Fast and Efficient Interference Suppression by Uniform Linear Array Based on Dual-Domain Adaptive Filtering Technique Masahiro Yukawa (Niigata Univ.), Isao Yamada (Tokyo Inst. of Tech) CAS2010-123 SIP2010-139 CS2010-93 |
We propose an efficient adaptive beamforming algorithm based on the dual-domain adaptive filtering approach (Yukawa et a... [more] | CAS2010-123 SIP2010-139 CS2010-93 pp.127-130 |
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