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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 41  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-13
14:05
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
Experimental Evaluation of Outdoor Long-distance High-Speed Optical Wireless MIMO System
Toshifumi Yamada, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ) RCS2022-71
In an outdoor environment, especially for industrial purposes, a multiple-input-multiple-output optical wireless communi... [more] RCS2022-71
pp.14-19
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-13
14:30
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
Outdoor Experiments of Long-distance High-Speed Imaging MIMO Systems
Daiki Ishikawa, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) RCS2022-72
In outdoor optical wireless communication, the Multiple-Input-Multiple-Output (MIMO) technique has been widely used to e... [more] RCS2022-72
pp.20-25
RCS, SIP, IT 2022-01-20
14:30
Online Online A zero-forcing linear precoding scheme using QR decomposition with greedy permutation for MIMO communications
Shigenori Kinjo (JCGA), Shuichi Ohno (Osaka City Univ.) IT2021-57 SIP2021-65 RCS2021-225
In this report, we study a zero-forcing linear precoding (ZFLP) scheme using QR decomposition with greedy permutation, w... [more] IT2021-57 SIP2021-65 RCS2021-225
pp.161-166
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 2021-04-22
11:20
Online Online A Study on Impact of User-side Fading Correlation on Multi-user Joint Transmit/Receive Diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-3
Multi-user joint transmit/receive diversity (JTRD) is able to perform multiuser multiplexing while achieving spatial div... [more] RCS2021-3
pp.11-16
SIP, IT, RCS 2021-01-22
16:45
Online Online Theoretical Study of User-wise Joint Transmit-receive Diversity for Multi-user MIMO Communication
Fumiyuki Adachi, Ryou Takahashi (Tohoku Univ.) IT2020-100 SIP2020-78 RCS2020-191
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] IT2020-100 SIP2020-78 RCS2020-191
pp.206-211
RCS 2020-10-22
11:25
Online Online Multi-user MIMO coordinated with user-wise joint transmit-receive diversity using linear antenna array at BS
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-96
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] RCS2020-96
pp.24-29
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-08
14:15
Online Online Zero-forcing based Multi-user MIMO Coordinated with User-wise Joint Transmit-receive Diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-65
Multi-user MIMO multiplexing coordinated with spatial diversity is a promising technique to improve the transmission qua... [more] RCS2020-65
pp.43-48
MRIS, ITE-MMS 2019-12-05
15:35
Ehime Ehime University Comparative study of equalization techniques in holographic data storage
Shinya Kurokawa, Shuhei Yoshida (Kindai Univ.) MRIS2019-42
In the holographic data storage, data patterns are represented by images in which 0 or 1 are arranged in a two-dimension... [more] MRIS2019-42
pp.19-23
AP 2019-10-17
12:30
Osaka Osaka Univ. [Poster Presentation] FDD Downlink Beamforming Method for Avoiding Adjacent Channel Interference
Masaki Igarashi, Kentaro Nishimori (Niigata Univ.) AP2019-80
Microwave power transmission systems with high power cause adjacent channel interference. Hence a function is required t... [more] AP2019-80
pp.5-9
EA, SIP, SP 2019-03-14
13:30
Nagasaki i+Land nagasaki (Nagasaki-shi) Beamforming for Brain-Activity Reconstruction under Time-Correlated Interference
Takehiro Kono (Keio Univ.), Masahiro Yukawa (Keio Univ./Riken), Tomasz Piotrowski (Nicolaus Copernicus Univ./Interdisciplinary Center for Modern Te) EA2018-116 SIP2018-122 SP2018-78
We consider the problem of reconstruction of brain activity from non-invasive electroencephalography (EEG) signals using... [more] EA2018-116 SIP2018-122 SP2018-78
pp.99-104
SR 2018-10-31
13:25
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] On Beam-Pattern and Nulls toward Interferences in Multiuser MIMO Using Null-Space Extension
Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2018-86
Multi-user massive MIMO (MU-MIMO) is one of the key technologies for the 5th generation mobile communication system(5G).... [more] SR2018-86
pp.71-72
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-13
09:30
Hokkaido Hakodate Arena Experimental evaluation of an optical wireless MIMO system with baseband modulation
Fabien Corona, Hirotoshi Sugiura, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) RCS2018-115
This document reports the evaluation of an indoor 4$times$4 MIMO (Multi Input Multi Output) OWC (Optical Wireless Commun... [more] RCS2018-115
pp.165-169
RCS 2018-06-20
15:00
Nagasaki Nagasaki University Relationship between Interference-Wave Suppression Using Null-Space Extension in Multiuser MIMO and formed Beam-Pattern
Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) RCS2018-43
Some papers reported that a zero-forcing (ZF) adaptive array antenna or
multi-user MIMO system at basestations can be r... [more]
RCS2018-43
pp.49-54
AP, RCS
(Joint)
2017-11-09
09:50
Fukuoka Fukuoka University A Study on Array Beam Pattern of Multi-User MIMO Basestation Using Null-Space Dimension Expansion -- About Principle of Torelance Improvement against Channel Fluctuation by Orthogonalizing the Past Interference Channels --
Makoto Taromaru, Hironori Ban, Mai Ohta, Daisuke Motegi (Fukuoka Univ.) RCS2017-226
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system at basestations can be ro... [more] RCS2017-226
pp.123-127
SR, SRW
(Joint)
2017-10-24
14:00
Overseas Grand Hotel Palatino, Rome, Italy [Poster Presentation] A Study on Beam Pattern of Array with Multi-User MIMO Using Null-Space Expansion Tolerant to Channel Fluctuation
Hironori Ban, Daisuke Motegi, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2017-89 SRW2017-39
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system can be robust against cha... [more] SR2017-89 SRW2017-39
pp.63-64(SR), pp.57-58(SRW)
AP, MW
(Joint)
2017-09-22
10:10
Saitama Saitama University Outdoor Experiment Evaluation of Analog-Digital Hybrid Massive MIMO
Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai, Koshiro Kitao (NTT DOCOMO) AP2017-92
Massive MIMO transmission whose number of antennas is much larger than the number of user terminals, has been attracted ... [more] AP2017-92
pp.25-30
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]
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University [Poster Presentation] Performance evaluation on uplink MU-MIMO selecting distributed antennas with wideband signals
Soichi Ito, Sho Yoshida, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT)
Uplink MU-MIMO techniques achieve the high frequency efficiency. However, it is known that the frequency efficiency depe... [more]
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]
 Results 1 - 20 of 41  /  [Next]  
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