Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2023-10-19 17:05 |
Kagawa |
Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
300GHz band Sub-Terahertz Imaging using MIMO Techniques Michiya Hayama, Kazuaki Ishioka, Hikaru Tsuchida, Shusaku Umeda, Akinori Taira (MELCO) RCS2023-138 |
Sub-Terahertz waves enable obstacle penetrating high-resolution sensing and expect new applications. It is known that th... [more] |
RCS2023-138 pp.45-50 |
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-14 14:25 |
Osaka |
Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Experimental study of vital sensing using 300GHz band sub-terahertz wave
-- Remote measurement of hertbeat information -- Shusaku Umeda, Kazuaki Ishioka, Kota Nakamura, Michiya Hayama, Akinori Taira, Akihiro Okazaki (MELCO) RCS2023-100 |
The terahertz wave has both characteristics, permeability of radio and high-resolution of light, and it is expected to b... [more] |
RCS2023-100 pp.109-114 |
RCS |
2023-06-16 15:35 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
300GHz band Sub-Terahertz Sensing Technologies for High Resolution Imaging Akinori Taira, Kazuaki Ishioka, Michiya Hayama, Shusaku Umeda, Hikaru Tsuchida, Akihiro Okazaki (MELCO) RCS2023-77 |
Integration of communication and sensing functions utilizing high frequency bands for the 6G era is attracting attention... [more] |
RCS2023-77 pp.288-293 |
RISING (3rd) |
2022-10-31 13:00 |
Kyoto |
Kyoto Terrsa (Day 1), and Online (Day 2, 3) |
[Poster Presentation]
Deep Unfolding Based Step Size Optimization in Adaptive Equalization Manabu Sakai, Akinori Taira, Akihiro Okazaki, Masaki Noda (MELCO) |
[more] |
|
IN, RCS, NV (Joint) |
2018-05-10 15:40 |
Kanagawa |
Keio University |
[Invited Lecture]
3GPP standardization activities for relay based high speed scenario for 5G Fumihiro Hasegawa, Akinori Taira (Mitsubishi Electric Corp.), Gosan Noh, Bing Hui (ETRI), Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.), Junhwan Lee, Ilgyu Kim (ETRI) IN2018-3 RCS2018-28 |
In 3GPP NR (New Radio), high speed train (HST) is considered as one of the essential verticals in 5G applications. In th... [more] |
IN2018-3 RCS2018-28 pp.13-18(IN), pp.37-42(RCS) |
RCS, NS (Joint) |
2017-12-15 15:10 |
Hiroshima |
Aster Plaza |
Mobility Evaluation of Massive MIMO with Linear/Nonlinear Precoding Based on SINR Heatmap in a Serving Cell Hiroshi Nishimoto, Akinori Taira, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-267 |
Multiuser multiple-input multiple-output (MU-MIMO) over massive MIMO is one of the key enablers in the fifth generation ... [more] |
RCS2017-267 pp.95-100 |
RCS, SAT (Joint) |
2017-08-17 11:40 |
Niigata |
Niigata Univ. |
A Study on Design of Modulo Boundary in MU-MIMO Nonlinear Precoding Hiroshi Nishimoto, Akinori Taira, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2017-149 |
Multiuser multiple-input multiple-output (MU-MIMO) over massive MIMO is one of the key enablers in the fifth generation ... [more] |
RCS2017-149 pp.37-42 |
RCS, AP (Joint) |
2016-11-25 10:50 |
Kyoto |
Kyoto International Community House |
Performance Evaluation of Nonlinear Precoding based on Indoor Experimental Channel Data at 44GHz band for 5G Ultra High Capacity Massive MIMO Shigeru Uchida, Kenji Nakagawa, Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corporation) RCS2016-203 |
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] |
RCS2016-203 pp.69-74 |
RCS |
2016-06-23 15:40 |
Okinawa |
Univ. of the Ryukyus |
Mobility Tolerance of Nonlinear Block Multi-diagonalization Precoding for High SHF Wide-band Massive MIMO in 5G Hiroki Iura, Akinori Taira, Hiroshi Nishimoto, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2016-72 |
[more] |
RCS2016-72 pp.153-158 |
RCS |
2016-04-22 10:10 |
Aomori |
Romantopia, A Landscape of Forest and Stars, Hirosaki City |
OFDM Performance of Nonlinear Block Multi-diagonalization Precoding for High SHF Wide-band Massive MIMO in 5G Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2016-13 |
In the paper, we evaluate MU-MIMO system performance using novel transmit precoding named ``nonlinear block multi-diagon... [more] |
RCS2016-13 pp.71-76 |
RCS, CCS, SR, SRW (Joint) |
2016-03-04 10:50 |
Tokyo |
Tokyo Institute of Technology |
A Study on Nonlinear Block Multi-diagonalization Precoding for High SHF Wide-band Massive MIMO in 5G Hiroshi Nishimoto, Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2015-377 |
In the paper, we propose a novel transmit precoding named "nonlinear block multi-diagonalization (NL-BMD) precoding," co... [more] |
RCS2015-377 pp.255-260 |
RCS, CCS, SR, SRW (Joint) |
2016-03-04 13:40 |
Tokyo |
Tokyo Institute of Technology |
[Invited Lecture]
Performance Evaluation of Massive MIMO System Based on Channel Measurement in 44GHz Band Hiroki Iura, Akinori Taira, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Hideki Morishige, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) SR2015-115 |
[more] |
SR2015-115 pp.157-162 |
SR |
2016-01-22 13:20 |
Nagasaki |
Fukue-bunka-kaikan |
QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel Kei Ohya, Tomohide Takahashi, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-85 |
The Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way c... [more] |
SR2015-85 pp.87-94 |
AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:30 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
[Invited Lecture]
Transmit Performance of Analog Beamforming MIMO System in Practical Outdoor Environment using High Frequency Band Hiroki Iura, Kenji Nakagawa, Uchida Shigeru, Akinori Taira, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO), Otsushi Okamrua (Mitsubishi Electric) AP2015-116 RCS2015-201 |
(To be available after the conference date) [more] |
AP2015-116 RCS2015-201 pp.35-40(AP), pp.67-72(RCS) |
CQ |
2015-09-01 16:30 |
Kyoto |
Kyoto Institute of Technology |
[Invited Talk]
Massive MIMO Technology for Significant Transmit Performance Enhancement in 5G Mobile Communication System Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) CQ2015-57 |
5th generation mobile communication system (5G) is expected to launch for the early 2020s. In 5G, significant enhancemen... [more] |
CQ2015-57 pp.101-106 |
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 |
2015-06-25 09:24 |
Hokkaido |
Hokkaido Univ. |
Network Selection Scheme Using Positioning Information for Heterogeneous Wireless System: Evaluation of Scheduling Method with Route Estimation Qinhan Liu, Junpei Kuboniwa, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-61 |
Heterogeneous wireless systems such as a combination of mobile broadband wireless access (MBWA) and wireless local area ... [more] |
RCS2015-61 pp.89-94 |
RCS, IN (Joint) |
2015-05-21 09:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Antenna Configuration of 5G Ultra High Capacity Massive MIMO Transmission based on Outdoor Fundamental Experiment Trial at 44GHz Band Kenji Nakagawa, Hiroki Iura, Akinori Taira, Kazuaki Ishioka, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric) RCS2015-24 |
Recently, radio access technologies for the fifth generation (5G) in higher frequency bands have been extensively studie... [more] |
RCS2015-24 pp.7-12 |
RCS |
2015-04-17 08:30 |
Oita |
Yufuin, Yufugoukan |
Evaluation of Positioning Accuracy on QZSS Terminal for GPS Complementary and Reinforcement Hiroshi Oguma, Keita Norishima, Konatsu Suehiro (NIT,Toyama), Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-9 |
Quasi-Zenith Satellite System (QZSS) is a satellite navigation system consisting of several QZSS satellites in highly i... [more] |
RCS2015-9 pp.41-46 |
RCS |
2015-04-17 08:55 |
Oita |
Yufuin, Yufugoukan |
Experimental Evaluation of Timing Synchronization Accuracy considering Elevation Angle Mask for QZSS SS-CDMA Short Message Communication Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ.), Keita Norishima, Hiroshi Oguma (NIT, Toyama college), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-10 |
We have proposed spread spectrum code division multiple access (SS-CDMA) short message communication using Quasi-Zenith ... [more] |
RCS2015-10 pp.47-52 |
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