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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-06-20 10:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
A Study on Low-Complexity LLR Calculation Based on Bilinear Inference for MIllimeter-Wave MIMO Systems Using DA-QSMmmWave MIMO Detection via Belief Propagation for DA-QSM Keigo Masuoka, Takumi Takahashi (Osaka Univ.), Shinkuke Ibi (Doshisha Univ.), Hideki Ochiai (Osaka Univ.) |
(To be available after the conference date) [more] | |
| RCS | 2024-06-20 16:55 |
Okinawa | (Primary: On-site, Secondary: Online) |
Characterization of Sub-THz-Band MIMO Spatial Multiplexing With Channel Estimation Errors Naoki Hamada, Toshihiko Nishimura, Yasutaka Ogawa (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Takeo Ohgane (Hokkaido Univ.) |
(To be available after the conference date) [more] | |
| RCS, SR, SRW (Joint) |
2024-03-13 13:10 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Beamforming/Null-steering for Millimeter-wave Transmission in High Mobility Environment Kazuki Maruta, Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kazuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo)  SRW2023-52 |
Spatial multiplexing performance of the multi-user MIMO is deteriorated in the mobility environment, especially using th... [more] | SRW2023-52 p.39 |
| OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 11:20 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Real-time 114-SDM transmission over a 6-mode 19-core fiber using real-time MIMO DSP Shohei Beppu (KDDI Research), Masahiro Kikuta, Masahiro Shigihara (NEC Platforms), Koji Igarashi (Osaka University), Daiki Soma, Yuta Wakayama, Noboru Yoshikane (KDDI Research) OCS2023-25 |
Space-division multiplexing (SDM) transmission systems, in which multiple channels with different spatial paths are mult... [more] | OCS2023-25 pp.33-38 |
| RCS | 2023-06-14 09:30 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28 |
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] | RCS2023-28 pp.1-6 |
| 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 |
| SAT, RCS (Joint) |
2022-08-25 11:40 |
Hokkaido | (Primary: On-site, Secondary: Online) |
A Study on Computational Complexity Reduction of Pre/Postcoding in User-Cluster-Centric CF-mMIMO Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-101 |
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] | RCS2022-101 pp.24-29 |
| AP, RCS (Joint) |
2021-11-12 11:45 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Study on Generalized Time-Frequency Spatial Modulation System Tomoya Aoyama, Hou Yafei, Satoshi Denno (Okayama Univ) RCS2021-171 |
In recent years, with the proliferation of wireless devices such as smartphones, commercial services of the 5th generati... [more] | RCS2021-171 pp.148-153 |
| CAS, CS | 2021-03-02 13:50 |
Online | Online | Study on Combination of Phase Rotation and ASK for SD-SM-MIMO Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Tech.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2020-83 CS2020-90 |
For multiple-input multiple-output (MIMO) systems, SD-SM-MIMO which combines the space division multiplexing (SD) and sp... [more] | CAS2020-83 CS2020-90 pp.65-70 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:40 |
Osaka | I-Site Nanba（Osaka） | [Poster Presentation]
An Experiment of 200 Gbps, 21 Streams Wireless Transmission Using OAM-MIMO Multiplexing with Polarization in 28 GHz Band Yasunori Yagi, Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39 |
The orbital angular momentum (OAM) multiplexing has been drawing much attention in wireless transmission systems. The OA... [more] | RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39 pp.99-100(RCC), pp.125-126(NS), pp.121-122(RCS), pp.131-132(SR), pp.113-114(SeMI) |
| RCS | 2019-06-19 16:35 |
Okinawa | Miyakojima Hirara Port Terminal Building | On Bit LLR Design for Polar-Coded MIMO Spatial Multiplexing System Based on QRD-M Algorithm Shuhei Yamaguchi, Hideki Ochiai (Yokohama National Univ.) RCS2019-61 |
In order to improve bandwidth efficiency of wireless communications systems, MIMO techniques have been extensively studi... [more] | RCS2019-61 pp.143-148 |
| RCS, SR, SRW (Joint) |
2019-03-08 16:30 |
Kanagawa | YRP | [Encouragement Talk]
System Development on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G Hiroki Iura, Hiroshi Nishimoto, Tasuku Kuriyama, Hideyuki Nakamizo, Daichi Uchino, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Yasunori Suzuki, Tetsuro Imai (NTT docomo), Atsushi Okamura (Mitsubishi Electric), Yukihiko Okumura (NTT docomo) RCS2018-332 |
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] | RCS2018-332 pp.261-266 |
| RCS | 2018-10-19 14:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
Experimental Trial on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G Hiroki Iura, Manabu Sakai, Nobuhide Nonaka, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric Corp.), Nobuhide Suyama, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric Corp.), Yukihiko Okumura (NTT DOCOMO) RCS2018-173 |
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] | RCS2018-173 pp.121-124 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-13 17:05 |
Hokkaido | Hakodate Arena | On Reduced-Complexity Coded MIMO Spatial Multiplexing System based on Matched-Filter Detecter and CRC-Assisted Interference Cancellation Kentaro Masukawa, Hideki Ochiai (Yokohama Natl. Univ.) RCS2018-130 |
Optimal detection of multiple-input multiple-output~(MIMO) spatial multiplexing systems becomes challenging as the nu... [more] |
RCS2018-130 pp.255-260 |
| RCS | 2017-10-19 10:00 |
Miyagi | Tohoku Institute of Technology | A Study on m-QAM Signal Detection Using Belief Propagation in a Massive MIMO System Taisei Watabe, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2017-171 |
A typical scenario considered in the current massive MIMO systems is one accommodating about 20 users with 100 or more e... [more] | RCS2017-171 pp.19-24 |
| RCS | 2017-06-22 11:20 |
Okinawa | Ishigaki Shoukou Kaikan | Fundamental Considerations on Computational Complexity Reduction Using Receive Matrix Interpolation in a MIMO-OFDM System Kensei Saito, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) RCS2017-70 |
In multiple-input multiple-output (MIMO) systems, separation of multiple streams is often performed by multiplying a wei... [more] | RCS2017-70 pp.121-126 |
| RCS | 2016-10-20 09:20 |
Kanagawa | YRP (Yokosuka) | Downlink MMSE-SVD Joint Tx/Rx Filtering for Distributed Antenna Small-Cell Network under Multi-cell Environment Yuta Seki, Fumiyuki Adachi (Tohoku Univ.) RCS2016-153 |
Cooperative distributed antenna transmission (CDAT) can mitigate the impact of path loss, shadowing loss, and multi-path... [more] | RCS2016-153 pp.1-6 |
| RCS | 2016-10-21 13:30 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
R&D Activities for High SHF Wide-band Massive MIMO in 5G Akihiro Okazaki, Satoshi Yamaguchi, Koji Tsutsumi, Shintaro Shinjo, Hiroshi Nishimoto, Noriyuki Fukui, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2016-185 |
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] | RCS2016-185 pp.179-184 |
| RCS | 2016-06-23 09:20 |
Okinawa | Univ. of the Ryukyus | On Low Complexity Signal Detection based on Interference Cancellation for Coded Massive MIMO Systems Yuto Hama, Hideki Ochiai (Yokohama Nat. Univ.) RCS2016-56 |
Recently, massive multiple-input multiple-output (MIMO) systems with hundreds of antennas at the transmitter and receive... [more] | RCS2016-56 pp.59-64 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 15:55 |
Tokyo | Tokyo Institute of Technology | Design of Indoor Multiuser MIMO Systems considering Fairness at 60 GHz
-- User Scheduling considering Proportional Fairness -- Sayako Haze, Yuyuan Chang, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech.) RCS2015-397 |
Recently due to the increasing of data traffic, 60 GHz band has been considered because of its license-free and wide ban... [more] | RCS2015-397 pp.375-380 |
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