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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 229  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2024-03-13
09:55
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
User Scheduling based on Expanded Null-Space for Massive MIMO
Yuki Sasaki (Tokyo Univ. of Scince), Kabuto Arai (The Univ. of Electro-Communications), Jin Nakazato (UTokyo), Kazuki Maruta (Tokyo Univ. of Scince) RCS2023-250
This paper proposes a user scheduling scheme for multi-user massive MIMO (MU-mMIMO), particularly effective in time-vary... [more] RCS2023-250
pp.1-6
RCS, SR, SRW
(Joint)
2024-03-13
13:10
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Beamforming/Null-steering for Millimeter-wave Transmission in High Mobility Environment
Kazuki Maruta, Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kazuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo) SRW2023-52
Spatial multiplexing performance of the multi-user MIMO is deteriorated in the mobility environment, especially using th... [more] SRW2023-52
p.39
AP, RCS
(Joint)
2023-11-15
16:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Location-Based Broad-Range Null-Steering in V2I Multiuser MIMO Transmission
Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kabuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-161
This paper proposes a location based broad-range null-steering (BRNS) scheme for vehicle to everything (V2X) multiuser M... [more] RCS2023-161
pp.51-56
RCS 2023-10-20
15:15
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Application of Joint Transmit-Receive Diversity to A Cellular Distributed MU-MIMO System
Ryo Takahashi (PSNRD), Hidenori Matsuo (Panasonic Holdings), Fumiyuki Adachi (Tohoku Univ.) RCS2023-148
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] RCS2023-148
pp.90-95
RCS, SAT
(Joint)
2023-08-31
11:20
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
Null Spatial Expansion for Low-Complexity Block Diagonalization-based Multiuser Massive MIMO
Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science), Kabuto Arai (UEC) RCS2023-103
This paper proposes a new block diagonalization (BD)-based null-space expansion for multiuser Massive MIMO which offers ... [more] RCS2023-103
pp.9-14
CS, CQ
(Joint)
2023-05-18
16:30
Kagawa Rexxam Hall (Kagawa Kenmin Hall)
(Primary: On-site, Secondary: Online)
[Invited Talk] Optical and Wireless convergence for realizing User-Centric Network
Ryo Inohara, Shinji Nimura, Kazuki Tanaka (KDDI Research, Inc.) CQ2023-4
Cellular systems have been commercially deployed in the 5th and earlier generations of mobile communication systems, in ... [more] CQ2023-4
p.18
RCC, ISEC, IT, WBS 2023-03-15
11:00
Yamaguchi
(Primary: On-site, Secondary: Online)
[Invited Talk] Virtualized terminal utilizing the terahertz band for high-capacity communications toward Beyond 5G/6G
Takahiro Hayashi, Yoshio Kunisawa, Tatsuya Nagao, Kazuki Takezawa, Satoshi Ito, Hiromi Matsuno, Yoji Kishi (KDDI Research, Inc) IT2022-110 ISEC2022-89 WBS2022-107 RCC2022-107
In the 2030s, when Beyond 5G/6G is expected to be realized, a cyber-physical system (CPS) that integrates physical and c... [more] IT2022-110 ISEC2022-89 WBS2022-107 RCC2022-107
pp.263-268
CNR, BioX 2023-03-02
09:30
Oita
(Primary: On-site, Secondary: Online)
Proposal of a Framework for Evaluating User Satisfaction in Immersive Virtual Environments
Peerawat Pannattee, Vibol Yem, Nobuyuki Nishiuchi (Tokyo Metropolitan Univ.) BioX2022-69 CNR2022-35
Immersive virtual environments (IVEs) are the core component used to create the Metaverse, a concept that is gaining att... [more] BioX2022-69 CNR2022-35
pp.42-46
AP 2023-02-17
13:25
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
Fundamental Investigation of Wireless Resource Control Technologies for Resilience of Beyond 5G
Suguru Kameda (Hiroshima Univ.) AP2022-226
Research and development of network control technology for green and resilient beyond 5G networks is being conducted to ... [more] AP2022-226
pp.163-166
NS, NWS
(Joint)
2023-01-26
13:00
Yamaguchi Hybrid Meeting (Yamaguchi Prefecture)
(Primary: On-site, Secondary: Online)
[Encouragement Talk] A User Authenticity Verification Method Using Behavioral and Cognitive Biometrics for Zero Trust Access Control Mechanisms
Taisho Sasada, Yuzo Taenaka, Youki Kadobayashi (NAIST) NS2022-153
In recent years, remote access to confidential data necessary for work has been rapidly increasing due to the spread of ... [more] NS2022-153
pp.19-24
CPSY, IPSJ-ARC 2023-01-10
14:40
Online Online Survay of the Relationship between the Number of Page Faults and UX on PC Usage
Shodai Masaki, Hayato Nomura (NITAC) CPSY2022-29
With the goal of developing software that can detect PC operating speed degradation, performance shortages, and the need... [more] CPSY2022-29
pp.13-14
IN, IA
(Joint)
2022-12-13
11:30
Hiroshima Higashi-Senda campus, Hiroshima Univ.
(Primary: On-site, Secondary: Online)
Statistical Analysis of Thin-Telework System Traffic Data
Keisuke Ishibashi (ICU), Yoshiaki Kitaguchi (TIT), Kenichi Nagami (INTEC), Ichiro Mizukoshi (NTT East) IA2022-61
This paper reports the statistical analysis of traffic data measured at the thin-telework system, enabling remote-deskto... [more] IA2022-61
pp.67-71
SRW, SeMI, CNR
(Joint)
2022-11-24
13:40
Tochigi Epinard Nasu
(Primary: On-site, Secondary: Online)
A Study on Multiuser Wireless Powered MIMO Relay Transmission with Interference
Keita Hayashi, Shigenobu Sasaki (Niigata Univ) SRW2022-18
In this paper, multiuser wireless powered MIMO relay transmission is investigated for potential wireless sensor networks... [more] SRW2022-18
pp.13-18
RCS, AP, UWT
(Joint)
2022-11-16
09:30
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A behavior of user-driven multiuser joint transmit-receive diversity in an asymmetric MIMO fading channel
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-163
In this paper, we study user-driven multi-user JTRD. In user-driven multi-user JTRD, each user terminal (UE) determines ... [more] RCS2022-163
pp.49-54
PRMU 2022-10-21
15:25
Tokyo Miraikan - The National Museum of Emerging Science and Innovation
(Primary: On-site, Secondary: Online)
Features and Deep Learning Models Suitable for Speech Source Discrimination Method in Plural Voice User Interfaces Environment
Kengo Maeda, Takahiro Yoshida (TUS) PRMU2022-27
Under the situation that plural devices equipped with a voice user interface exist in the user’s environment in the near... [more] PRMU2022-27
pp.29-34
SAT, RCS
(Joint)
2022-08-25
11:40
Hokkaido
(Primary: On-site, Secondary: Online)
A Study on Computational Complexity Reduction of Pre/Postcoding in User-Cluster-Centric CF-mMIMO
Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-101
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] RCS2022-101
pp.24-29
IN, RCS, NV
(Joint)
2022-05-26
09:55
Kanagawa Keio University (Hiyoshi Campus)
(Primary: On-site, Secondary: Online)
Incorporation of MU-MIMO Technology into User-centric Cell-Free mMIMO System
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-14
Recently, cell-free massive multiple-input-multiple-output (CF-mMIMO) system has been attracting a great attention. CF-m... [more] RCS2022-14
pp.7-12
NS, IN
(Joint)
2022-03-11
11:20
Online Online AP Connection Method for Maximizing System Throughput Considering User Interference
Yu Kato (SIT), Jiquan Xie, Tutomu Murase (Nagoya Univ.), Sumiko Miyata (SIT) IN2021-42
In a multi-transmission rate environment, an AP connection method that maximizes the system throughput based on the coop... [more] IN2021-42
pp.67-72
CQ, IMQ, MVE, IE
(Joint) [detail]
2022-03-09
17:45
Online Online (Zoom) Estimating Subjective Video Quality of Smartphone Users Using Bio-signals in Real Environment by Considering Video-watching Contexts
Shotaro Mishina, Mutsumi Suganuma, Wataru Kameyama (Waseda Univ.) CQ2021-110
Our previous study suggests that it is possible to estimate the subjective video quality of smartphone users in real env... [more] CQ2021-110
pp.55-60
CQ, CBE
(Joint)
2022-01-27
11:00
Ishikawa Kanazawa(Ishikawa Pref.)
(Primary: On-site, Secondary: Online)
[Tutorial Invited Lecture] Cutting-Edge of Quality-of-Experience Studies
Tatsuya Yamazaki (Niigata Univ.) CQ2021-78
About 15 years ago, the International Telecommunication Union Telecommunication Standardization Sector defined the term... [more] CQ2021-78
pp.13-17
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