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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SIP, IT 2025-01-29
10:20
Yamaguchi Kaikyou-messe (Yamaguchi, Online)
(Primary: On-site, Secondary: Online)
Frequency Selection of Coordinated-OFDMA Considering Channel Availability for Non-coordinated APs in Multi-AP Coordination Environment
Mitsuni Hinohara, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Hiroyuki Motozuka, Yoshio Urabe (Panasonic IP) IT2024-28 SIP2024-67 RCS2024-211
In Multi-Access Point coordination (MAPC) using Coordinated Orthogonal Frequency Division Multiple Access (C-OFDMA), non... [more] IT2024-28 SIP2024-67 RCS2024-211
pp.13-18
RCS, SIP, IT 2025-01-29
10:55
Yamaguchi Kaikyou-messe (Yamaguchi, Online)
(Primary: On-site, Secondary: Online)
Experiments and Evaluations of Beamsquint Occurrence on Intelligent Reflecting Surface at 28 GHz
Sota Kuwahara, Ryu Shoji, Kazuya Yatame, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Takumi Yoneda, Tomoki Murakami (NTT) IT2024-29 SIP2024-68 RCS2024-212
 [more] IT2024-29 SIP2024-68 RCS2024-212
pp.19-24
RCS, SIP, IT 2025-01-29
11:20
Yamaguchi Kaikyou-messe (Yamaguchi, Online)
(Primary: On-site, Secondary: Online)
Partitioning Control Experiments of Intelligent Reflecting Surface at 28GHz
Miyako Takemura, Ryuto Kamikawana, Shimon Nagano, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Takumi Yoneda, Tomoki Murakami (NTT) IT2024-30 SIP2024-69 RCS2024-213
 [more] IT2024-30 SIP2024-69 RCS2024-213
pp.25-30
SR, RCS
(Joint)
(2nd)
2024-11-04
- 2024-11-07
Overseas Fraunhofer IPT (Overseas) [Invited Talk] Shared Operation of Intelligent Reflecting Surface among Mobile Network Operators
Hiroaki Hashida (Tohoku Univ.)
Intelligent reflecting surfaces (IRSs) offer an energy-efficient means to control electromagnetic waves; however, limita... [more]
SAT, RCS
(Joint)
2024-08-29
10:30
Kochi CUL-PORT(Kochi City) (Temporary) (Kochi, Online)
(Primary: On-site, Secondary: Online)
A Study on Multi-Beam Control Using Frequency Prism in Intelligent Reflecting Surface-aided Satellite Communication Systems
Shuta Sekimori, Hiroaki Hashida, Yuich Kawamoto, Nei Kato (Tohoku Univ.), Kohei Yoshida, Masayuki Ariyoshi (NEC) SAT2024-35
This study presents a novel approach to optimizing multi-beam formation and time allocation management to address the in... [more] SAT2024-35
pp.16-20
RCS 2024-06-21
10:00
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Proposal of Coordination Function Selection to Improve Performance of Multi-AP Coordination in WLAN
Kouki Iizuka, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Yoshio Urabe, Hiroyuki Motozuka (Panasonic) RCS2024-74
In wireless local area networks (WLANs), high-density access points (APs) have been considered, but networks with a high... [more] RCS2024-74
pp.271-275
RCS 2024-06-21
10:10
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
A Study on Hierarchical Codebook Design for Intelligent Reflecting Surface-aided Dynamic Wireless Network
Yugo Tanabu, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) RCS2024-75
In recent years, the increasing demand for high-speed, high-capacity communication networks has motivated research on th... [more] RCS2024-75
pp.276-280
RCS 2024-06-21
13:35
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Size Optimization of Intelligent Reflecting Surface under Partial Blockage
Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Unv.) RCS2024-80
Intelligent Reflecting Surfaces (IRS) can eliminate dead zones by forming detour paths in radio propagation. However, in... [more] RCS2024-80
pp.305-310
RCS, SAT
(Joint)
2023-08-31
17:50
Nagano Naganoken Nokyo Building, and online (Nagano, Online)
(Primary: On-site, Secondary: Online)
Infrastructure Sharing among Multi-Mobile Network Operator for Intelligent Reflecting Surface-aided Communications
Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) RCS2023-113
This study explores the utilization of intelligent reflecting surfaces (IRSs) by multiple mobile network operators (MMNO... [more] RCS2023-113
pp.55-60
RCS, AP, UWT
(Joint)
2022-11-15
14:05
Fukuoka Kyushu University, and Online (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
Experimental Evaluations of Transparent Reflectors at 60 GHz
Hiroaki Hashida, Ryuhei Hibi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Toshio Enami, Hiroyuki Nomoto (SEKISUI CHEMICAL), Susumu Ano (ATR) RCS2022-160
The recent growth in higher demand for mobile data has motivated wireless communication over the extreme high-frequency ... [more] RCS2022-160
pp.31-36
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-10
13:30
Online Online (Online) Intelligent Reflecting Surface Placement Optimization in Cellular Communication Networks for Aerial Vehicles
Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) RCS2020-74
One of the key requirements for sixth-generation (6G) networks is to support the aerial vehicle communications, which is... [more] RCS2020-74
pp.93-98
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-10
13:25
Osaka I-Site Nanba(Osaka) (Osaka) Quantification of the impact of wide network scanning on IoT data communication in WLAN
Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) NS2019-44
In recent years, security issues of IoT devices have attracted the interest in the use of the wide network scanning as a... [more] NS2019-44
pp.7-12
 Results 1 - 12 of 12  /   
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