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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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] | |
| RCS | 2016-04-22 14:35 |
Aomori | Romantopia, A Landscape of Forest and Stars, Hirosaki City | Experimental Verification of Multiuser Massive MIMO Null-Space Expansion using Measured Channel State Information Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka (NTT) RCS2016-21 |
Transmission capacity of multiuser MIMO systems is degraded by inter-user interference (IUI) caused due to channel time ... [more] | RCS2016-21 pp.117-122 |
| 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 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 09:30 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Multiuser Massive MIMO Exploiting First Eigenmode Transmission in Higher Frequency Bands Kazuki Maruta, Tatsuhiko Iwakuni, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka (NTT) RCS2015-205 |
Drastic improvements of transmission rate and system capacity are required towards 5th generation mobile communications ... [more] | RCS2015-205 pp.91-96 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 14:35 |
Okinawa | Okinawa Prefectural Museum & Art Museum | [Invited Lecture]
A Study of User Scheduling for Millimeter Wave MU-MIMO Systems
-- Evaluation with Small Conference Room Channel Model and 3-secter Access Point -- Yuyuan Chang, Keisuke Hirota, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech.) AP2015-135 RCS2015-220 |
Recently, for the wide band and license-free channels, wireless communications with 60 GHz millimeter wave (mm-Wave) hav... [more] | AP2015-135 RCS2015-220 pp.145-150(AP), pp.181-186(RCS) |
| CQ (2nd) |
2015-10-30 13:20 |
Osaka | [Poster Presentation]
Performance evaluation of Collision Detection for MU-MIMO transmission Kazuma Ando, Kentro Nishimori, Ryochi Kataoka (Niigata Univ.), Takefumi Hiraguri (NIT) |
We have proposed an interference detection method in MIMO transmission. This report proposes a collision detection metho... [more] | ||
| RCS | 2015-10-02 11:15 |
Kanagawa | YRP (Yokosuka) | Performance Evaluation of Beam Selection Schemes for Multiuser Massive MIMO using Hybrid Beamforming in High Frequency Bands Tatsuki Okuyama, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) RCS2015-181 |
For the realization of a 5G wireless access network with super high bit rate and capacity, massive MIMO is introduced in... [more] | RCS2015-181 pp.131-136 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-29 13:35 |
Nagano | JA Naganoken Bldg. | Block Lower Multi-diagonalization for Multiuser MIMO Downlink Hiroshi Nishimoto, Akinori Taira, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2015-101 |
For multiuser-MIMO (MU-MIMO) downlink, the authors propose a novel precoding concept of block lower multi-diagonalizatio... [more] | RCS2015-101 pp.7-12 |
| RCS | 2015-06-24 16:10 |
Hokkaido | Hokkaido Univ. | Effective Use of Spatial Dimension for Inter-user Interference suppression on Multiuser Massive MIMO under Time Varying Channel Environment Atsushi Ohta, Tatsuhiko Iwakuni, Kazuki Maruta, Yushi Shirato, Takuto Arai, Masataka Iizuka (NTT) RCS2015-54 |
The authors have proposed the Inter-user Interference (IUI) suppression scheme on Multiuser Massive MIMO which utilizes ... [more] | RCS2015-54 pp.49-54 |
| RCS | 2015-06-24 16:35 |
Hokkaido | Hokkaido Univ. | Performance Evaluation of Hybrid Beamforming Scheme for Multiuser Massive MIMO Transmission in High Frequency Bands Tatsuki Okuyama, Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) RCS2015-55 |
For the realization of a 5G wireless access network with super high bit rate and capacity, massive MIMO is introduced in... [more] | RCS2015-55 pp.55-60 |
| RCS | 2015-06-26 10:21 |
Hokkaido | Hokkaido Univ. | Performance Comparison of Random Beamforming and Codebook-Based Beamforming in Cellular Downlink with Massive MIMO Takuya Hoshino, Kenichi Higuchi (Tokyo Univ. of Science) RCS2015-89 |
This paper compares the throughput levels of random beamforming (RB) and codebook-based beamforming (CBBF) in cellular d... [more] | RCS2015-89 pp.253-256 |
| RCS | 2015-06-26 14:10 |
Hokkaido | Hokkaido Univ. | A Study on MU-MIMO transmission employing TDM in the presence of terminal mobility Shingo Oka, Yoshinori Sakata, Fumiaki Maehara (Waseda Univ.) RCS2015-96 |
(To be available after the conference date) [more] | RCS2015-96 pp.293-297 |
| RCS | 2015-04-17 13:00 |
Oita | Yufuin, Yufugoukan | Inter-user Interference Suppression with Null-Space Extension in Multiuser Massive MIMO for Time Varying Channel Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka (NTT) RCS2015-17 |
This paper proposes a new IUI suppression technique named “Null-Space Extension” with Massive MIMO in time varying chann... [more] | RCS2015-17 pp.89-94 |
| RCS, SR, SRW (Joint) |
2015-03-05 10:15 |
Tokyo | Tokyo Institute of Technology | Performance Evaluation of Super High Bit Rate Massive MIMO Transmission using Higher Frequency Bands in Multiuser Environment Tatsuki Okuyama, Satoshi Suyama, Tatsunori Obara, Jiyun Shen, Yukihiko Okumura (NTT DOCOMO) RCS2014-340 |
Towards realization of a 5G wireless access network with super high bit rate and capacity, it is necessary to introduce ... [more] | RCS2014-340 pp.231-236 |
| RCS, SR, SRW (Joint) |
2015-03-05 13:10 |
Tokyo | Tokyo Institute of Technology | [Invited Talk]
Overview of Standardization for IEEE 802.11 High Speed Wireless LAN Systems Yusuke Asai (NTT) RCS2014-344 SR2014-132 SRW2014-55 |
In this manuscript, recent standardization of IEEE 802.11 high-speed WLANs for microwave spectra. First, the major techn... [more] | RCS2014-344 SR2014-132 SRW2014-55 pp.255-262(RCS), pp.127-134(SR), pp.49-56(SRW) |
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