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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| RCC, ISEC, IT, WBS | 2023-03-14 15:20 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
High Speed Optical Wireless Uplink using MU-MIMO with Angle Diversity Xuejuan Zhu, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ) IT2022-85 ISEC2022-64 WBS2022-82 RCC2022-82 |
This work proposes a high-speed uplink optical wireless communication system using multiuser multiple input multiple out... [more] | IT2022-85 ISEC2022-64 WBS2022-82 RCC2022-82 pp.109-113 |
| SRW, SeMI, CNR (Joint) |
2022-11-24 13:40 |
Tochigi | Epinard Nasu (Primary: On-site, Secondary: Online) |
A Study on Multiuser Wireless Powered MIMO Relay Transmission with Interference Keita Hayashi, Shigenobu Sasaki (Niigata Univ) SRW2022-18 |
In this paper, multiuser wireless powered MIMO relay transmission is investigated for potential wireless sensor networks... [more] | SRW2022-18 pp.13-18 |
| RCS | 2021-10-21 14:50 |
Online | Online | [Invited Talk]
Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-126 |
In this paper, joint transmit-receiver diversity (JTRD) is presented, which jointly perform transmit diversity and recei... [more] | RCS2021-126 pp.49-54 |
| RCS | 2021-06-23 13:30 |
Online | Online | Investigation of PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission Yuki Sekiguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-39 |
In the 5th generation mobile communication system and beyond, the importance of relay transmission increases in order to... [more] | RCS2021-39 pp.62-67 |
| 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 |
| 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 |
| RCS | 2020-06-25 13:50 |
Online | Online | User Group Selection Method in Multiuser MIMO-OFDM Transmission with Adaptive PAPR Reduction Using Null Space in MIMO Channel Shyunsei Shin (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-37 |
In this paper, we investigate the user group selection method in multiuser multiple-input multiple-output (MIMO)- orthog... [more] | RCS2020-37 pp.85-90 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-10 14:15 |
Osaka | I-Site Nanba（Osaka） | A Single-Carrier Block Multiuser MIMO System with Pre-Cancellation of Known Symbol Padding Interference Hayato Fukuzono, Keita Kuriyama, Toshio Ito, Masafumi Yohioka, Tsutomu Tatsuta (NTT) RCS2019-103 |
A single-carrier (SC) block, downlink multiuser multiple-input multiple-output (MIMO) system performs transmit beamformi... [more] | RCS2019-103 pp.13-17 |
| 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 |
| AP, RCS (Joint) |
2017-11-10 15:25 |
Fukuoka | Fukuoka University | [Invited Lecture]
On Improving Efficiency in Wireless Systems Based on the Coordination of Elemental Technologies Fumiaki Maehara (Waseda Univ.) AP2017-142 RCS2017-246 |
Recent wireless systems are developed as a complicated blend of various elemental technologies and therefore, it is impo... [more] | AP2017-142 RCS2017-246 p.187(AP), p.235(RCS) |
| US | 2017-08-31 13:50 |
Kanagawa | Research on time reversal underwater acoustic communication
-- Application for spatial division multiplexing in comparison with OFDM -- Takuya Shimura, Yukihiro Kida, Mitsuyasu Deguchi (JAMSTEC) US2017-52 |
Time reversal is an effective method for channel equalization in underwater acoustic communication. Its temporal and spa... [more] | US2017-52 pp.31-36 |
|
| CQ (2nd) |
2017-08-27 13:50 |
Saitama | Nippon Institute of Technology | [Poster Presentation]
Performance evaluation on NOMA and transmit BF with user selection by the number of beams Yoshiki Shirasawa, Kentaro Nishimori, Hideo Makino (Niigata Univ) |
As a technique for improving the transmission rate within a limited frequency band, Multiuser MIMO (MU-MIMO), which real... [more] | |
| RCS, SAT (Joint) |
2017-08-17 10:50 |
Niigata | Niigata Univ. | Evaluation on Uplink MU-MIMO with Distributed Array with Multiple versus One Switches Sho Yoshida, Soichi Ito, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT) RCS2017-147 |
Multiuser MIMO (MU-MIMO) techniques provide the high frequency efficiency. However, it is known that the frequency effic... [more] | RCS2017-147 pp.25-30 |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | [Poster Presentation]
Performance evaluation on NOMA with transmit BF by the number of beams Yoshiki Shirasawa, Kentaro Nishimori, Hideo Makino (Niigata Univ) |
[more] | |
| AP | 2017-04-21 15:50 |
Osaka | Osaka university | Transmit beam forming method using NOMA considering increased number of antennas Yoshiki Shirasawa, Kentaro Nishimori, Motoaki Suzuki, Hideo Makino (Niigata Univ) AP2017-21 |
As a technique for improving the transmission rate within a limited frequency band, Multiuser MIMO (MU-MIMO), which real... [more] | AP2017-21 pp.107-112 |
| NS, IN (Joint) |
2017-03-03 14:30 |
Okinawa | OKINAWA ZANPAMISAKI ROYAL HOTEL | User Selection Algorithm Considering Time Degradation of CSI for MU-MIMO systems Yuhi Kawakita, Yumi Takaki, Tomio Kamada, Chikara Ohta (Kobe Univ.) NS2016-241 |
Multiuser MIMO attracts attention as a technology for increasing the speed and capacity of wireless communication. In th... [more] | NS2016-241 pp.481-486 |
| 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 16:05 |
Kyoto | Kyoto International Community House | Low Computational Design Method of Multiuser MIMO System for Moving Targets Tetsuki Taniguchi (TITECH), Yoshio Karasawa, Nobuo Nakajima (The Univ. of Electro-Communications) RCS2016-206 |
Multiuser multiple input multiple output (MIMO) downlink system is suffered from performance degradation under the movem... [more] | RCS2016-206 pp.85-88 |
| CQ (2nd) |
2016-08-28 13:30 |
Ibaraki | Tsukubasan | Evaluation of antenna diversity effect in interference detection in an actual indoor environment Kazuma Ando, Kentaro Nishimori (Niigata Univ.), Takefumi Hiraguri, Yoshiaki Morino (NIT), Hideo Makino (Niigata Univ.) |
We have proposed an interference detection method in IEEE802.11ac based MU-MIMO transmission, and evaluated the effectiv... [more] | |
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