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All Technical Committee Conferences  (Searched in: All Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 357  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
VLD, HWS, ICD 2024-02-28
16:20
Okinawa
(Primary: On-site, Secondary: Online)
Single Trunk Routing Problem for Generalized Channel
Zezhong Wang, Masayuki Shimoda, Atsushi Takahashi (Tokyo Tech) VLD2023-104 HWS2023-64 ICD2023-93
(To be available after the conference date) [more] VLD2023-104 HWS2023-64 ICD2023-93
pp.30-35
AP, WPT
(Joint)
2024-01-17
13:50
Niigata Niigata Univ.
(Primary: On-site, Secondary: Online)
[Invited Lecture] Outdoor THz Channel Measurement at 300GHz for Ultra-High Data-Rate Wireless Access in An Open Square
Minghe Mao, Riku Takahashi, Noa Sato, Minseok Kim (Niigata Univ.) AP2023-162
This report details a double-directional angle-resolved wide-band channel measurement campaign conducted in an outdoor e... [more] AP2023-162
pp.13-18
ICM, NS, CQ, NV
(Joint)
2023-11-21
13:15
Ehime Ehime Prefecture Gender Equality Center
(Primary: On-site, Secondary: Online)
Theoretical Analysis on the Application Effect of Drone Relay Stations in the Channel Capacity of Mobile Communication Systems
Tetsuro Imai (TDU) CQ2023-44
Currently, mobile communication systems using drones as relay stations are being considered to further increase the tran... [more] CQ2023-44
pp.38-43
SRW, SeMI
(Joint)
2023-11-22
09:30
Tokyo Koganei Campus, Tokyo University of Agriculture and Technology
(Primary: On-site, Secondary: Online)
[Short Paper] A Study on Port Arrangement of Analog Beamforming Network Using 3-dimensional Luneburg Lens
Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science) SRW2023-34
In this report, we propose a method to design an input/output-port arrangement using a directivity correlation matrix fo... [more] SRW2023-34
p.31
MIKA
(3rd)
2023-10-10
15:35
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Investigation of Ultra-Fast Beam Selection Optimization Method Based on Ising Model
Naganuma Shunta, Fujita Tsukumo, Arai Maki (Tokyo Univ. of Science), Li Aohan (The Univ. of Electro-Communications), Hasegawa Mikio (Tokyo Univ. of Science)
The Ising model is a mathematical model that represents the spin interactions of microscopic components of a substance. ... [more]
MIKA
(3rd)
2023-10-11
14:30
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Performance Evaluation of collaborative MIMO Transmission Considering Overhead
Rena Kurokawa, Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science)
Terminal collaborative Multiple-Input Multiple-Output (MIMO) transmission technology has been proposed as an advanced fo... [more]
RCS, SAT
(Joint)
2023-08-31
16:20
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Comparative study of channel coding methods for performance improvement in next-generation optical satellite data relay system
Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) SAT2023-42
Optical satellite data relay systems which send high-capacity data observed by low-orbit user satellites to geostationar... [more] SAT2023-42
pp.41-45
IT 2023-08-03
13:25
Kanagawa Shonan Institute of Technology
(Primary: On-site, Secondary: Online)
Polarization Analysis for Joint Source-Channel Coding with Side Information
Yuki Nagai, Hideki Yagi (UEC) IT2023-15
The polar codes, introduced by Arıkan, use a technique called channel polarization and can achieve the capacity of a giv... [more] IT2023-15
pp.7-12
SRW, MICT, WBS 2023-07-20
11:25
Niigata Niigata Univ. TOKIMATE
(Primary: On-site, Secondary: Online)
A Study on Orthogonal Directional MIMO Transmission by Using Dipole Antenna Array with Different Element Lengths
Maki Arai (Tokyo Univ. of Science) WBS2023-14 SRW2023-12 MICT2023-11
To increase the channel capacity of wireless communications, a MIMO (Multiple-Input Multiple-Output) technology is impor... [more] WBS2023-14 SRW2023-12 MICT2023-11
pp.7-12
AP 2023-05-11
10:30
Okinawa Okinawa Gender Equality Center
(Primary: On-site, Secondary: Online)
Spherical Cap Structure MIMO-OTA Apparatus for Generating the Cluster Propagation Environments
Kazuhiro Honda (Univ. of Toyama) AP2023-8
In order to realize the cluster propagation environments that forms a Gaussian distribution in the vertical and horizont... [more] AP2023-8
pp.1-6
AP 2023-02-15
13:50
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
[Invited Lecture] Design and Analysis of LoS-MIMO System with Uniform Cross Array Composed of Dual-polarized Antennas
Motoshi Tawada, Yoshichika Ohta, Atsushi Nagate (SoftBank) AP2022-204
Research and development of communication services using radios and antennas mounted on vehicles, unmanned aerial vehicl... [more] AP2022-204
pp.40-45
IT, RCS, SIP 2023-01-24
11:55
Gunma Maebashi Terrsa
(Primary: On-site, Secondary: Online)
Interference Suppression Performance of CMA Using Time-Domain Inter-Symbol Spreading in Time-Varying Channel
Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT) IT2022-33 SIP2022-84 RCS2022-212
Blind adaptive array (BAA) can suppress unknown co-channel interference without reference signal.
Vehicle-to-everythin... [more]
IT2022-33 SIP2022-84 RCS2022-212
pp.25-29
IT, RCS, SIP 2023-01-24
10:00
Gunma Maebashi Terrsa
(Primary: On-site, Secondary: Online)
A hierarchical construction of typical linear codes
Kaito Suzuki, Tomohiko Uyematsu (Tokyo Tech.) IT2022-35 SIP2022-86 RCS2022-214
According to Shannon's channel coding theorem, a channel has an inherent amount called a channel capacity which is deter... [more] IT2022-35 SIP2022-86 RCS2022-214
pp.36-41
RCS, AP, UWT
(Joint)
2022-11-16
14:55
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
LoS-MIMO Transmission Experiment Using Dual-polarized Antennas.
Motoshi Tawada, Yoshichika Ohta, Atsushi Nagate (SoftBank) AP2022-163
Research and development of communication services using radios and antennas mounted on vehicles, UAVs, HAPS, and other ... [more] AP2022-163
pp.91-96
RCS 2022-10-28
09:25
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
Improving Semi-Blind Interference Suppression on Multi-Cell Massive MIMO Systems by Multi-Antenna Users
Kazuki Maruta (Tokyo Univ. of Science) RCS2022-142
When the number of spatial multiplexing is increased in a Massive MIMO system to increase capacity, the number of orthog... [more] RCS2022-142
pp.65-70
MIKA
(3rd)
2022-10-13
11:10
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] Interference Suppression Performance of Blind Adaptive Array in Time-Varying Channel Environment
Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT)
Blind adaptive array (BAA) can suppress unknown co-channel interference without reference signal.
Vehicle-to-everythin... [more]

SAT, RCS
(Joint)
2022-08-25
12:05
Hokkaido
(Primary: On-site, Secondary: Online)
A study on user-driven suboptimal joint transmit-receive diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-102
In user-driven suboptimal joint transmit-receive diversity (JTRD), firstly the user equipment (UE) determines its divers... [more] RCS2022-102
pp.30-35
SAT, RCS
(Joint)
2022-08-26
16:10
Hokkaido
(Primary: On-site, Secondary: Online)
A Study of Frequency Assignment for Adaptive Coding and Modulation Scheme on Flexible Satellite Communication System
Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2022-43
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] SAT2022-43
pp.76-81
AP, SANE, SAT
(Joint)
2022-07-29
14:30
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
Study on efficient channel coding method for next-generation optical satellite data relay system
Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) SAT2022-27
High-capacity satellite communications are continuously demanded, and one of the challenges is to realize a high-capacit... [more] SAT2022-27
pp.57-62
MW 2022-06-09
15:05
Nagano Naganoken Nokyo Building
(Primary: On-site, Secondary: Online)
[Invited Talk] Activites on utilizing Reconfigurable Intelligent Surface for wireless channel control
Masashi Iwabuchi, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) MW2022-26
In this talk, we will introduce our activities for wireless channel control using recinfgurable intelligent surface(RIS)... [more] MW2022-26
p.19
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