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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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]
SR, RCS
(Joint)
(2nd)
2024-11-04
- 2024-11-07
Overseas Fraunhofer IPT (Overseas) [Poster Presentation] CAM-based null-space design for V2I MU-mMIMO
Yuki Sasaki (Tokyo Univ. of Science), Kabuto Arai (UEC), Jin Nakazato (UTokyo), Kazuki Maruta (Tokyo Univ. of Science)
Null space extension (NSE) outperforms conventional channel prediction-based schemes by reducing inter-user interference... [more]
RCC, RCS, SeMI, NS, SR, RISING
(Joint)
2024-07-17
11:50
Hokkaido Hokkaido Citizens Activities Promotion Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
A Data Driven Optimization of Null-Space Expansion for Millimeter-Wave Multiuser Massive MIMO in Cooperative ITS
Yuki Sasaki (Tokyo Univ. of Science), Kengo Suzuki, Jin Nakazato (UTokyo), Kabuto Arai (UEC), Kazuki Maruta (Tokyo Univ. of Science) SR2024-28
This paper proposes a new inter-user interference (IUI) suppression scheme based on the null space extension (NSE) for m... [more] SR2024-28
pp.24-29
RCC, RCS, SeMI, NS, SR, RISING
(Joint)
2024-07-18
11:40
Hokkaido Hokkaido Citizens Activities Promotion Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Design of Multi-Panel Array Over Time-Varying Millimeter-Wave Channels
Kanta Terui, Kabuto Arai, Koji Ishibashi (UEC) RCS2024-100
This study studies beamforming design utilizing multi-panel arrays for millimeter-wave (mmWave) communications, accounti... [more] RCS2024-100
pp.82-87
RCC, RCS, SeMI, NS, SR, RISING
(Joint)
2024-07-18
14:35
Hokkaido Hokkaido Citizens Activities Promotion Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Over-the-Air-Computation-Aided Distributed Principle Component Analysis for Low-Latency Inference over Wireless Networks
Yuki Murakami, Kabuto Arai, Koya Sato, Koji Ishibashi (UEC) RCS2024-102
This paper proposes a dimensionality reduction method based on distributed principal component analysis (DPCA) to reduce... [more] RCS2024-102
pp.94-99
RCS 2024-06-19
11:30
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Design of Multi-Panel Array Over Millimeter-Wave Channel with Stochastic Blockage
Kanta Terui, Kabuto Arai, Koji Ishibashi (UEC) RCS2024-36
This paper discusses beam design for multi-panel arrays over millimeter-wave (mmWave) channels with stochastic blockages... [more] RCS2024-36
pp.46-51
RCS 2024-06-20
16:05
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Near-Field Channel Estimation for Multiuser XL-MIMO Systems with Non-Orthogonal Pilots
Kabuto Arai, Koji Ishibashi (UEC), Hiroki Iimori, Paulo Valente Klaine, Szabolcs Malomsoky (ERJ) RCS2024-66
In this paper, we propose a near-filed channel estimation method for multi-user extremely large-scale multiple-input mul... [more] RCS2024-66
pp.229-234
RCS 2024-04-26
09:30
Hiroshima (Hiroshima, Online)
(Primary: On-site, Secondary: Online)
Performance Comparison of Null-Space Expansion in Low Computation Block Diagonalization-based Multi-User Massive MIMO
Yuki Sasaki (Tokyo Univ, of Science), Kabuto Arai (The Univ. of Electro-Communications), Kazuki Maruta (Tokyo Univ, of Science) RCS2024-6
This paper proposes a novel precoding weight design that enhances interference suppression performance with low computat... [more] RCS2024-6
pp.26-31
RCS, SR, SRW
(Joint)
2024-03-13
09:55
Tokyo The University of Tokyo (Hongo Campus), and online (Tokyo, 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
NS, RCS
(Joint)
2023-12-14
16:50
Fukuoka Kyushu Institute of Technology Tobata campus, and Online (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
Broad-Range Null-Steering and Beam-Space Expansion 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) RCS2023-188
 [more] RCS2023-188
pp.52-57
AP, RCS
(Joint)
2023-11-15
16:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall (Kumamoto, Online)
(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, SAT
(Joint)
2023-08-31
11:20
Nagano Naganoken Nokyo Building, and online (Nagano, 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
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-14
13:00
Ishikawa The Kanazawa Theatre + Online (Ishikawa, Online)
(Primary: On-site, Secondary: Online)
A Study on Wireless Resource Scheduling Algorithm for Round-Trip Low Latency.
Kabuto Arai, Obata Haruka, Toshihisa Nabetani (TOSHIBA) RCS2022-84
5th generation mobile communication systems (5G) are expected to support various demands, such as ultra-reliable and low... [more] RCS2022-84
pp.78-83
RCS 2021-10-21
16:00
Online Online (Online) [Poster Presentation] Performance Improvement of Multiuser Massive MIMO Null-Space Expansion
Kazuki Maruta (Tokyo Tech), Kabuto Arai, Nobutaka Funaki (Chiba Univ.) RCS2021-130
A significant challenge of the multiuser multiple-input multiple-output (MIMO) is the interference leakage among user te... [more] RCS2021-130
p.63
 Results 1 - 14 of 14  /   
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