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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-04-26 09:30 |
Hiroshima | (Primary: On-site, Secondary: Online) |
Performance Comparison of Null-Space Expansion in Low Computation Block Diagonalization-based Multi-User Massive MIMO Yuki Sasaki (Tokyo Univ, of Science), Kabuto Arai (The Univ. of Electro-Communications), Kazuki Maruta (Tokyo Univ, of Science)  RCS2024-6 |
(To be available after the conference date) [more] | RCS2024-6 pp.26-31 |
| RCS, SAT (Joint) |
2023-08-31 11:20 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Null Spatial Expansion for Low-Complexity Block Diagonalization-based Multiuser Massive MIMO Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science), Kabuto Arai (UEC) RCS2023-103 |
This paper proposes a new block diagonalization (BD)-based null-space expansion for multiuser Massive MIMO which offers ... [more] | RCS2023-103 pp.9-14 |
| CAS, CS | 2023-03-01 10:20 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Approximate joint diagonalization for blind separation of superimposed images Shinya Saito, Kunio Oishi (Tokyo University of Tech.) CAS2022-98 CS2022-75 |
This report presents blind separation of superimposed images. When we take a picture for panorama thought window glass a... [more] | CAS2022-98 CS2022-75 pp.12-17 |
| RCS, SIP, IT | 2022-01-21 11:45 |
Online | Online | Simultaneous matrix diagonalization using alternating least-squares algorithm Shinya Saito, Kunio Oishi (Tokyo University of Tech.) IT2021-73 SIP2021-81 RCS2021-241 |
This paper presents an approach for overdetermined blind source separation (BSS) using AJD. The approach is constructed ... [more] | IT2021-73 SIP2021-81 RCS2021-241 pp.252-257 |
| AP | 2021-08-20 10:25 |
Online | Online | Low Complexity Channel Analysis using Discrete Fourier Basis for Wireless LAN Sensing Yuhei Nagao (Radrix), Kosuke Tsuji, Ryotaro Isshiki, Leonardo Lanante (Kyutech), Hiroshi Ochi (Radrix) AP2021-49 |
Channel State Information (CSI) sensing over wireless LAN is gathering attention, because it enables economically and ea... [more] | AP2021-49 pp.7-12 |
| SIP, IT, RCS | 2021-01-21 09:25 |
Online | Online | Transmission Performance for Multiuser MIMO System Under the multi path fading and the Spatial Correlations Environment Shogo Maeda, Hideaki Matsue (SUS) IT2020-70 SIP2020-48 RCS2020-161 |
This paper analyzed transmission performances for multiuser-MIMO system according to the number of users and spatially c... [more] | IT2020-70 SIP2020-48 RCS2020-161 pp.40-45 |
| AP | 2020-08-21 11:15 |
Online | Online | Study on Simple Evaluation of MU-MIMO-OFDMA Applicable to SDR Hiroki Sato, Kentaro Nishimori (Niigata Univ.) AP2020-28 |
MU-MIMO-OFDMA, which uses both Multi-User Multiple Input Multiple Output (MU-MIMO) that separates users in the spatial d... [more] | AP2020-28 pp.27-32 |
| SP, EA, SIP | 2020-03-02 10:10 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
Multichannel NMF with Joint-Diagonalizable Constraint Based on Generalized Gaussian Distribution for Blind Source Separation Keigo Kamo, Yuki Kubo, Norihiro Takamune (UTokyo), Daichi Kitamura (NIT Kagawa), Hiroshi Saruwatari (UTokyo), Yu Takahashi, Kazunobu Kondo (Yamaha) EA2019-103 SIP2019-105 SP2019-52 |
Multichannel nonnegative matrix factorization (MNMF) is a blind source separation technique, which employs the full-rank... [more] | EA2019-103 SIP2019-105 SP2019-52 pp.13-19 |
| IT, SIP, RCS | 2020-01-23 13:05 |
Hiroshima | Hiroshima City Youth Center | A study on Cell-edge Performance Improvement by Network Cooperation Interference Canceller in Cellular Mobile Communications Takumi Yoneda, Teruya Fujii (Tokyo Tech) IT2019-52 SIP2019-65 RCS2019-282 |
The coming mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. I... [more] | IT2019-52 SIP2019-65 RCS2019-282 pp.99-104 |
| AP, RCS (Joint) |
2019-11-22 09:25 |
Saga | Saga Univ. | Simple Throughput Evaluation Method of Massive MIMO with Linear Pre-coding Algorithm for LTE Based Signals Yuki Yaku, Kentaro Nishimori (Niigata Univ.), Hidehiko Tobe (iDAQS) AP2019-130 |
Massive MIMO has been attracted attention as a key technology in 5th generation mobile communication system (5G), becaus... [more] | AP2019-130 pp.127-132 |
| AP | 2019-08-22 10:25 |
Hokkaido | Hokkai-Gakuen Univ. | Block Diagonalization using Pseudo Inverse Matrix for MU-MIMO Keiya Uchida, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2019-54 |
The 5th Generation(5G) will introduce MU-MIMO to achieve super high bit rate. Also, Massive MIMO will be effective to co... [more] | AP2019-54 pp.39-42 |
| EA, SIP, SP | 2019-03-14 10:25 |
Nagasaki | i+Land nagasaki (Nagasaki-shi) | Blind speech separation based on approximate joint diagonalization utilizing correlation between neighboring frequency bins Taiki Asamizu, Toshihiro Furukawa (TUS) EA2018-100 SIP2018-106 SP2018-62 |
In this paper, we propose a new method that extends the approximate joint diagonalization blind speech separation (BSS).... [more] | EA2018-100 SIP2018-106 SP2018-62 pp.7-12 |
| RCS, SR, SRW (Joint) |
2019-03-07 09:25 |
Kanagawa | YRP | Parameter Estimation for Block Diagonalization based Beamforming in Analog-Digital-Hybrid Massive MIMO Systems Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-312 |
For massive MIMO systems to be employed in the 5th generation mobile communications (5G), hybrid beamforming (HB), which... [more] | RCS2018-312 pp.157-162 |
| AP (2nd) |
2018-05-31 10:15 |
Overseas | The University of Da nang, University of Science and Technology | A Study of User Capacity for Massive MIMO in Urban Street Canyon Environment Takuya Nitsu, Hiroaki Nakabayashi (Chiba Inst.Tech) |
The purpose of this study is to indicate a user capacity for a massive MIMO using a block diagonalization (BD) method in... [more] | |
| SIP, EA, SP, MI (Joint) [detail] |
2018-03-19 09:00 |
Okinawa | Adaptive BSS algorithm for approximate joint diagonalization with variable epoch length Kei Nishiyama, Shinya Saito (TUS), Kunio Oishi (TUT), Toshihiro Furukawa (TUS) EA2017-102 SIP2017-111 SP2017-85 |
This paper presents an adaptive blind speech separation (BSS) technique for recovering original speech source signals fr... [more] | EA2017-102 SIP2017-111 SP2017-85 pp.1-6 |
|
| RCS, SR, SRW (Joint) |
2018-02-28 09:00 |
Kanagawa | YRP | A Distributed Antenna Downlink System using Linearly Precoded MU-MIMO Nobuaki Shimakawa, Yasunori Iwanami (N.I.T.) RCS2017-317 |
Recently, Muti-User MIMO (MU-MIMO) downlink system which uses multiple antennas at Base Station (BS) and accommodates mu... [more] | RCS2017-317 pp.1-6 |
| SIP, IT, RCS | 2018-01-22 16:10 |
Kagawa | Sunport Hall Takamatsu | Transmission Performance for Multiuser MIMO System According to Spatial Correlations and errors of CSI feedback under Multipath Fading Environments Kyouka Abe (Grad. Sch. TUSS), Syouta Wakabayashi (TUSS), Naoki Ginoza (Grad. Sch. TUSS), Kazuhiro Yamaguchi, Hideaki Matsue (TUSS) IT2017-78 SIP2017-86 RCS2017-292 |
This paper analyzed the influence of errors of CSI feedback and according to spatially correlations to network performa... [more] | IT2017-78 SIP2017-86 RCS2017-292 pp.137-142 |
| 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 |
| RCS, SR, SRW (Joint) |
2017-03-03 09:00 |
Tokyo | Tokyo Institute of Technology | Transmission Performance for Multiuser MIMO System According to the Number of Users and Spatial Correlations under Multipath Fading Environments Naoki Ginoza (Graduate School of Tokyo University of Science,Suwa), Kyouka Abe, Shouta Wakabayasi, Kazuhiro Yamaguchi, Hideaki Matsue (Tokyo University of Science,suwa) RCS2016-321 |
This paper analyzed transmission performances for multiuser MIMO system according to the number of users and spatial cor... [more] | RCS2016-321 pp.175-180 |
| RCS, AP (Joint) |
2016-11-25 10:50 |
Kyoto | Kyoto International Community House | Performance Evaluation of Nonlinear Precoding based on Indoor Experimental Channel Data at 44GHz band for 5G Ultra High Capacity Massive MIMO Shigeru Uchida, Kenji Nakagawa, Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corporation) RCS2016-203 |
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] | RCS2016-203 pp.69-74 |
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