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All Technical Committee Conferences  (Searched in: Recent 10 Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 130  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2025-03-07
13:25
Shimane Taisha Urara-kan Culrural Hall (Shimane, Online)
(Primary: On-site, Secondary: Online)
Fabrication of 40GHz-Band DBF Transmit Antenna Module Using Direct Digital RF Technology
Koki Furuuchi, Ryosei Miyagawa, Yuki Fujiya, Zhang Junhao, Tomoyuki Furuichi, Satoshi Tsukamoto, Noriharu Suematsu (Tohoku Univ.)
(To be available after the conference date) [more]
RCS, SR, SRW
(Joint)
2025-03-05
09:55
Kyoto Kyoto Institute of Technology (Kyoto, Online)
(Primary: On-site, Secondary: Online)
Null-Space Expansion with Phase Control for Analog Beamforming Massive MIMO
Tokio Ikuta, Kazuki Maruta (Tokyo Univ. of Science), Chunh-Siang Huang, Koji Ikuta (Kyocera)
(To be available after the conference date) [more]
RCS, SR, SRW
(Joint)
2025-03-05
09:30
Kyoto Kyoto Institute of Technology (Kyoto, Online)
(Primary: On-site, Secondary: Online)
Evaluation of Directional Gain Variations under UAV Wobbling
Shunsuke Kudo, Takeo Fuji (UEC)
(To be available after the conference date) [more]
RCS, SR, SRW
(Joint)
2025-03-06
15:00
Kyoto Kyoto Institute of Technology (Kyoto, Online)
(Primary: On-site, Secondary: Online)
Analysis of Average Blockage Loss Over Millimeter-Wave Channels Using Uniform Linear Array
Daiya Miyamoto, Kanta Terui, Kabuto Arai, Koji Ishibashi (UEC)
(To be available after the conference date) [more]
RCS, SR, SRW
(Joint)
2025-03-07
10:10
Kyoto Kyoto Institute of Technology (Kyoto, Online)
(Primary: On-site, Secondary: Online)
[Short Paper] Experimental Analysis of Analog Beamforming Network Using 3-dimensional Dielectric Lens
Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science)
(To be available after the conference date) [more]
EA, SIP, SP, IPSJ-SLP [detail] 2025-03-03
11:20
Okinawa (Okinawa) [Poster Presentation] MMSE Beamforming with the Consistency of Multiple Covariance Matrices for Phased Array Weather Radar
Shinji Naito, Daichi Kitahara (Keio Univ.)
(To be available after the conference date) [more]
SR 2025-01-31
14:00
Kagawa Sunport Takamatsu (Kagawa, Online)
(Primary: On-site, Secondary: Online)
Multi-hop communications utilizing multi-antenna beamforming based on IRDT protocol
Keigo Saito, Takeo Fujii, Koji Ishibashi (UEC), Yu Shibata, Jumpei Doi, Yuki Oshiro, Toru Hatae (Tokyo Gas) SR2024-86
This paper investigates the design of beamforming by a concentrator in multi-hop communications, specifically under the ... [more] SR2024-86
pp.82-89
RCS 2024-10-17
16:00
Tokyo (Tokyo, Online)
(Primary: On-site, Secondary: Online)
Evaluation of Transmission Performance of Mid-Band Massive MIMO by Computer Simulation
Yuta Hayashi, Dan Mohri, Yuyuan Chang, Satoshi Suyama, Huilling Jiang (NTT DOCOMO) RCS2024-141
In the 6th generation mobile communication system (6G), sub-THz wave above 100 GHz is being considered to achieve ultra-... [more] RCS2024-141
pp.33-38
AP 2024-10-16
16:55
Fukuoka ACROS Fukuoka (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
Fundamental studies on Reconfigurable Reflectarray Antenna for Independent Control of Polarization
Yosuke Maruno, Makoto Sano, Takeshi Fukusako, Ryuji Kuse (Kumamoto Univ.), Kazuma Tomimoto, Toshiki Hozen, Tomonori Ikeda, Ryo Yamaguchi (SoftBank Corp.) AP2024-59
This paper proposes a reflectarray capable of independently controlling the beams of horizontal and vertical polarizatio... [more] AP2024-59
pp.19-23
AP 2024-10-18
14:10
Fukuoka ACROS Fukuoka (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
Study of Antenna-Separated Beamforming using Multiple Base Station Multiport Antenna
Yuki Inoue, Keiya Uchida, Masashi Yamamoto (NTT DOCOMO) AP2024-132
Massive MIMO Units (MMUs) are being commercially deployed in the 5th generation mobile communication system (5G). Howeve... [more] AP2024-132
pp.234-237
RCC, RCS, SeMI, NS, SR, RISING
(Joint)
2024-07-18
09:00
Hokkaido Hokkaido Citizens Activities Promotion Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
A study on frequency sharing between ground and sky cells by applying beamforming and orthogonal polarization MU-MIMO canceller for cellular mobile system
Toshihisa Tsuji, Teruya Fujii (TokyoTech) RCS2024-94
To make mobile communication systems available even in the sky, a “three-dimensional spatial cell configuration” has bee... [more] RCS2024-94
pp.46-51
RCC, RCS, SeMI, NS, SR, RISING
(Joint)
2024-07-19
09:50
Hokkaido Hokkaido Citizens Activities Promotion Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Study on Subcarrier Multiplexing Transmission of Main and Control Signals in Analog RoF Systems
Yasuyoshi Yamamoto, Yuta Takahashi, Mizuki Suga, Toshifumi Miyagi (NTT) RCS2024-109
To realize high-speed, high-capacity mobile fronthaul (MFH), analog radio over fiber is attractive as a low-cost solutio... [more] RCS2024-109
pp.130-135
MW, EMT, OPE, MWPTHz, EST, IEE-EMT [detail] 2024-07-11
14:30
Hokkaido otaru-shimin-kaikan (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Study on large-scale array configuration of optical matrix wireless beamformers
Honoka Ito, Ken Hiraga, Riichi Kudo (NTT) EMT2024-14 MW2024-38 OPE2024-17 EST2024-15 MWPTHz2024-21
Sixth generation mobile communications (6G) systems and beyond is expected to enable more challenging services based on ... [more] EMT2024-14 MW2024-38 OPE2024-17 EST2024-15 MWPTHz2024-21
pp.28-31
RCS 2024-06-19
10:40
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Performance evaluation of HetNet composed of mmWave Twelve-Sector Picocells with 3D-BF
Naoto Inagaki (Kogakuin Univ.), Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2024-32
Heterogeneous networks (HetNets) with picocells operating at millimeter wave (mmWave) band provide higher system capacit... [more] RCS2024-32
pp.24-28
RCS 2024-06-20
13:25
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
A study of cell configuration method to realize MU-MIMO efficiently using massive antenna at base station
Kohei Mitsumoto, Teruya Fujii (Tokyo Tech) RCS2024-60
In mobile communications, evaluating the communication capacity of MU-MIMO transmission, where
multiple terminals simul... [more]
RCS2024-60
pp.191-196
RCS 2024-06-20
16:55
Okinawa (Okinawa, Online)
(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.) RCS2024-68
A sub-THz band is expected to play an important role in extreme high-data-rate transmission of sixth-generation mobile c... [more] RCS2024-68
pp.241-246
SRW, MWPTHz 2024-06-07
13:10
Tokyo Kikai-Shinko-Kaikan Bldg. (Tokyo, Online)
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Study on Optimization of Antenna Array Configuration for Orthogonal Directional MIMO Transmission
Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science) SRW2024-6 MWPTHz2024-6
MIMO (Multiple-Input Multiple-Output) transmission technology enables multiplex communication using multiple transmittin... [more] SRW2024-6 MWPTHz2024-6
pp.28-33
RCS 2024-04-26
13:00
Hiroshima (Hiroshima, Online)
(Primary: On-site, Secondary: Online)
Frequency sharing between ground and sky cells by applying beamforming and MU-MIMO canceller in mobile communication.
Toshihisa Tsuji, Kohei Mitsumoto, Teruya Fujii (Tokyo Tech) RCS2024-11
To enable the use of mobile communication systems in the sky, we propose a "three-dimensional space cell structure" that... [more] RCS2024-11
pp.48-53
RCS, SR, SRW
(Joint)
2024-03-13
11:40
Tokyo The University of Tokyo (Hongo Campus), and online (Tokyo, Online)
(Primary: On-site, Secondary: Online)
[Technology Exhibit] Beamforming Evaluation and Implementation Tool to Support the Development of 5G NR Millimeter-Wave Systems
Yuki Umehara (I-Wave) RCS2023-255
Research and development of millimeter-wave radio communication systems for the realization of 5G systems are actively b... [more] RCS2023-255
p.25
WPT 2024-03-15
16:15
Kyoto Kyoto-Univ. (Uji campus) (Kyoto, Online)
(Primary: On-site, Secondary: Online)
A Beamforming Antenna using Analog Phase Shifter for 5.7GHz RF Wireless Power Transfer System
Shota Futamata, Norimasa Nakashima (FIT) WPT2023-59
This paper persents an attempt to realize a beamforming antenna using a reflective phase shifter for 5.7GHz wireless pow... [more] WPT2023-59
pp.117-122
 Results 1 - 20 of 130  /  [Next]  
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