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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 2023-06-15 17:55 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on AP Antenna Configuration for Cell-Free Massive MIMO with Hybrid Beamforming in the Upper-mid Band. Shunsuke Kamiwatari, Masaaki Ito, Issei Kanno (KDDI Research, Inc.) RCS2023-64 |
Cell-Free massive multi-input multi-output (CF mMIMO) is a candidate foundation for the sixth-generation (6G). In additi... [more] | RCS2023-64 pp.212-217 |
| RCS | 2023-04-13 10:00 |
Shimane | Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
A Study on Optimal Configuration of Massive Antenna for MU-MIMO Base Station Considering 3D Spatial Radio Arrival Angle Characteristics Kohei Mitsumoto, Ryohei Maeda, Hikari Tsuhama, Teruya Fujii (Tokyo Tech) RCS2023-1 |
In the 5th and 6th generation mobile communication systems, beamforming with massive antennas consisting of dozens to hu... [more] | RCS2023-1 pp.1-6 |
| RCS, SR, SRW (Joint) |
2023-03-03 16:40 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Study on Analog Beam Selection and Digital Beam Design for Millimeter-wave Cell-Free Massive MIMO Shunsuke Kamiwatari, Issei Kanno, Yoshiaki Amano (KDDI Research), Kengo Ando, Shuto Fukue, Koji Ishibashi (UEC) RCS2022-297 |
Cell-Free Massive MIMO (CF mMIMO) has gained much attention as one of potential technologies for Beyond 5G (B5G) whereas... [more] | RCS2022-297 pp.261-266 |
| RCS | 2022-06-15 09:55 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Simulation Evaluation of Millimeter Wave Cell Free massive MIMO for Realistic Deployment Environment Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-25 |
Cell-free massive MIMO (CF mMIMO) is a candidate elemental technology for Beyond 5G. In this paper, we report the result... [more] | RCS2022-25 pp.7-12 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:30 |
Online | Online | Channel Estimation Scheme Robust against Pilot Contamination for Hybrid Beamforming Massive MIMO Systems Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2021-270 |
In 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital be... [more] | RCS2021-270 pp.102-107 |
| RCS, SAT (Joint) |
2021-08-27 15:45 |
Online | Online | Low Latency Beam-Sweeping for Millimeter-Wave Partially Connected Arrays Andre Saito Guerreiro (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) RCS2021-117 |
Millimeter-wave communication has been widely studied due to its potential to attain higher data rates by providing a si... [more] | RCS2021-117 pp.97-102 |
| RCS, SR, SRW (Joint) |
2021-03-05 09:00 |
Online | Online | Adaptive Channel Prediction over Multi-Cluster and Time-Varying Channels for Analog-Digital-Hybrid Massive MIMO Systems Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2020-252 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital b... [more] | RCS2020-252 pp.222-227 |
| NS, RCS (Joint) |
2019-12-19 13:00 |
Tokushima | Tokushima Univ. | [Invited Lecture]
Fujitsu's Approach to Millimeter-wave Subarray Beamforming Masahiko Shimizu, Hikaru Ishikawa (Fujitsu) NS2019-140 RCS2019-243 |
Fujitsu's approaches on millimeter-wave beamforming are described. At present, the beam forming of the subarray type see... [more] | NS2019-140 RCS2019-243 pp.37-42 |
| AP, RCS (Joint) |
2019-11-20 11:20 |
Saga | Saga Univ. | [Encouragement Talk]
Low-Complexity User Selection Algorithm for High SHF-Band Multiuser Massive MIMO Using Hybrid Beamforming Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2019-205 |
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] | RCS2019-205 pp.13-18 |
| RCS, SAT (Joint) |
2019-08-23 09:55 |
Aichi | Nagoya University | Outdoor Experimental Trials on Multi-User MIMO Transmission for High SHF Wide-band Massive MIMO in 5G Manabu Sakai, Kenichiro Kamohara, Hiroki Iura, Kazuaki Ishioka, Masayuki Nakazawa, Akihiro Okazaki (MELCO), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino (DOCOMO), Atsushi Okamura (MELCO), Yukihiko Okumura (DOCOMO) RCS2019-162 |
This paper reports outdoor experimental trial results of multi-user massive multiple-input multiple-output (MIMO) with 5... [more] | RCS2019-162 pp.85-90 |
| 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 |
| 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, SR, SRW (Joint) |
2019-03-08 16:55 |
Kanagawa | YRP | Indoor Experimental Trial on SU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G nobuhide nonaka, kazushi muraoka, satoshi suyama, jun mashino (DOCOMO), kenji nakagawa, kenichiro kamohara, manabu sakai, yoshitaka murata, hiroki iura (Mitsubishi), yukihiko okumura (DOCOMO) RCS2018-333 |
The fifth-generation (5G) mobile communication system will introduce Massive MIMO technology at higher frequency bands w... [more] | RCS2018-333 pp.267-271 |
| RCS, SIP, IT | 2019-02-01 13:55 |
Osaka | Osaka University | Outdoor Experimental Trial on SU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G Manabu Sakai, Kenji Nakagawa, Kenichiro Kamohara, Hiroki Iura, Naofumi Iwayama, Kazuaki Ishioka, Masayuki Yamamoto, Akihiro Okazaki (MELCO), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Atsushi Okamura (MELCO), Yukihiko Okumura (NTT DOCOMO) IT2018-70 SIP2018-100 RCS2018-277 |
This paper reports the outdoor experimental trial on SU-MIMO transmission with 16 stream spatially–multiplexing using hy... [more] | IT2018-70 SIP2018-100 RCS2018-277 pp.203-207 |
| RCS, AP (Joint) |
2018-11-22 15:30 |
Okinawa | Okinawa Industry Support Center | Low Complexity User Selection Algorithm for High SHF Band Multi-User Massive MIMO Using Hybrid Beamforming Nobuhide Nonaka, Kazushi Muraoka, Satosi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-214 |
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] | RCS2018-214 pp.205-210 |
| RCS, SR, SRW (Joint) |
2018-03-01 11:50 |
Kanagawa | YRP | [Technology Exhibit]
Indoor Experimental Verification of Multi-beam Spatial Multiplexing for High SHF Wide-band Massive MIMO in 5G Hiroshi Nishimoto, Manabu Sakai, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Satoshi Yamaguchi, Hideyuki Nakamizo, Yoshitaka Murata, Kuniyuki Suzuki, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-354 SR2017-120 SRW2017-74 |
Recently, the fifth-generation mobile communications system (5G) in higher frequency bands has been extensively studied.... [more] | RCS2017-354 SR2017-120 SRW2017-74 pp.215-216(RCS), pp.55-56(SR), pp.41-42(SRW) |
| RCS, SR, SRW (Joint) |
2018-03-02 17:15 |
Kanagawa | YRP | Theoretical study on multiple beam creation for subarray type hybrid beamforming Hikaru Ishikawa, Masahiko Shimizu (Fujitsu Labo.) RCS2017-393 |
The method of deciding analog weight for subarray type hybrid beamforming is studied from the viewpoint of the channel m... [more] | RCS2017-393 pp.411-416 |
| RCS, SR, SRW (Joint) |
2018-03-02 17:35 |
Kanagawa | YRP | Parameter Control Method for Massive MIMO using Hybrid Beamforming Ryutaro Kitajima, Kazuhiko Fukawa, Yuyuan Chang (Tokyo Tech) RCS2017-394 |
For the next generation mobile communications, hybrid beamforming (HB) that consists of joint analog beamforming (AB) an... [more] | RCS2017-394 pp.417-422 |
| SIP, IT, RCS | 2018-01-22 15:20 |
Kagawa | Sunport Hall Takamatsu | Performance evaluation on beam shapes and number of selected beams in a massive MIMO system Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Yoshihisa Kishiyama, Daiki Takeda (NTT DOCOMO) IT2017-76 SIP2017-84 RCS2017-290 |
In massive MIMO systems, there have already been several studies on 2-step beamforming that forms a precoder in a subspa... [more] | IT2017-76 SIP2017-84 RCS2017-290 pp.125-130 |
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