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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 112  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2024-03-13
11:40
Tokyo The University of Tokyo (Hongo Campus), and 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
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
RCS, SR, SRW
(Joint)
2024-03-14
10:45
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
A Proposal of Millimeter-wave Digital Beam Forming Antenna for Transmit Using Optical Fiber Link with Band-Pass Delta Sigma Modulation
Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) SR2023-98
In order to reduce the size and cost of millimeter-wave distributed antenna systems for 5G terrestrial networks and sat-... [more] SR2023-98
pp.52-56
SR 2024-01-25
13:10
Nagano Nagano-ken JA building
(Primary: On-site, Secondary: Online)
[Short Paper] Performance Evaluations on Deep Reinfocement Leanring based Analog Beamforming in Dynamic Senarios
Daisuke Sasaki, Xiaoyan Wang, Zhou Hang (Ibaraki Univ.), Umehira Masahiro (Nanzan Univ.) SR2023-72
As the development of small cell architecture in B5G networks, on one hand, the frequency utilization efficiency could b... [more] SR2023-72
pp.22-24
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
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
09:00
Yamagata Yamagata University
(Primary: On-site, Secondary: Online)
Design of Required Bit Count and 1 1-bit BP Delta Delta-Sigma Modulation OSR for 40 -GHz Band DBF Direct Digital RF Transmitter
Kouki Nakamura, Satoshi Tsukamoto, Junhao Zhang, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) EMCJ2023-56 MW2023-110 EST2023-83
For future Low Earth Orbit (LEO) constellation satellite communication system, a development millimeter-wave digital bea... [more] EMCJ2023-56 MW2023-110 EST2023-83
pp.107-112
MIKA
(3rd)
2023-10-10
15:35
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Extended kalman filter based beam tracking for vehicle position and velocity estimation under intersection scenario
Hu Dou, Jin Nakazato, Ehsan Javanmardi, Asad Muhammad (Utokyo), Maruta Kazuki (TUS), Manabu Tsukada (Utokyo)
As typified by the IoT, mobile traffic continues to increase with the spread of devices equipped with wireless communica... [more]
RCS, SAT
(Joint)
2023-09-01
09:00
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
K-Means-Aided Particle Swarm Optimization for Antenna Control in Multi-Cell HAPS System
Wei Dai, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki (Keio.) RCS2023-116
High Altitude Platform Stations (HAPS) are considered a solution for providing ultrawide coverage areas and disaster-res... [more] RCS2023-116
pp.73-78
RCS, SAT
(Joint)
2023-09-01
09:50
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
Virtual Cell MU-MIMO Canceller Coordinating Base Stations in TDD Transmission -- Eigenmode transmission without feedback of transmit and receive weights --
Ryohei Maeda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech./SoftBank) RCS2023-118
In mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere within a cell. In a ... [more] RCS2023-118
pp.85-89
AP, SANE, SAT
(Joint)
2023-07-13
09:30
Hokkaido The Citizen Activity Center
(Primary: On-site, Secondary: Online)
Design of Linear Array Antenna with Loss Less Beam Forming Network for Designed Excitation Coefficient
Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Co.) AP2023-41
Each antenna element in an array antenna should be excited by designed ratios to obtain desired antenna pattern. Each an... [more] AP2023-41
pp.54-58
RCS 2023-06-14
10:50
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
Packet Collision Avoidance Using Clustering in LoRAWAN ClassB
Takahiro Saraya, Aoto Kaburaki, Koichi Adachi (UEC) RCS2023-35
Low-power wide-area networks (LPWANs), which enable long-distance communications with low power consumption, are attract... [more] RCS2023-35
pp.43-48
RCS 2023-06-16
16:00
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
28 GHz-Band Experimental Trial Using Multiple Transmissive Metasurfaces and Beamforming
Kenta Goto, Satoshi Suyama, Takayuki Yamada (DOCOMO), Keisuke Arai, Osamu Kagaya (AGC) RCS2023-78
Toward 5G Evolution & 6G, “New Radio Network Topology (NRNT)” which is distributed in the spatial domain is considered t... [more] RCS2023-78
pp.294-299
SRW 2023-06-12
14:25
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Lecture] An Analog Beamforming Control Method using Deep Reinforcement Learning
Daisuke Sasaki, Hang Zhou, Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.) SRW2023-8
As the development of small cell configurations in B5G networks, the frequency utilization efficiency could be significa... [more] SRW2023-8
pp.39-44
MICT, WBS, RCC, SAT
(Joint) [detail]
2023-05-25
15:50
Tokyo TOKYO BIG SIGHT
(Primary: On-site, Secondary: Online)
Performance Evaluation of OFDMA-based Full Duplex Wireless Powered Communication Networks
Keigo Hirashima, Teruyuki Miyajima (Ibaraki Univ.) WBS2023-3 RCC2023-3
In this paper, we propose an orthogonal frequency multiple access (OFDMA)-based full-duplex wireless powered communicati... [more] WBS2023-3 RCC2023-3
pp.13-18
SR 2023-05-11
13:25
Hokkaido Center of lifelong learning Kiran (Higashi Muroran)
(Primary: On-site, Secondary: Online)
LPWA concentrator using multi-antenna beamforming
Keigo Saito, Takeo Fujii, Koji Ishibashi (UEC), Yu Shibata, Soma Toki, Hideki Endo (Tokyo Gas) SR2023-6
In recent years, information aggregation by wireless sensor network (WSN) has been attracted attention. WSN consists of ... [more] SR2023-6
pp.33-40
RCS, SR, SRW
(Joint)
2023-03-02
09:00
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Performance Evaluation of a Beamforming Control Method Using Deep Reinforcement Learning
Daisuke Sasaki, Hang Zhou (Ibaraki Univ), Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.) SRW2022-47
As the development of small cell configurations in B5G networks, the frequency utilization efficiency could be significa... [more] SRW2022-47
pp.19-24
SeMI, SeMI
(Joint)
2023-01-20
11:15
Tokushima Naruto grand hotel
(Primary: On-site, Secondary: Online)
[Short Paper] Study of WiFi Beamforming Feedback-Based Respiratory and Heart Rates Estimation
Takamochi Kanda, Sota Kondo, Hiroki Shimomura, Takashi Sato, Hiromitsu Awano, Koji Yamamoto (Kyoto Univ.) SeMI2022-99
This paper introduces respiration and heart rate estimation based on beamforming feedback (BFF). While BFF has attracted... [more] SeMI2022-99
pp.131-133
SeMI, SeMI
(Joint)
2023-01-20
11:35
Tokushima Naruto grand hotel
(Primary: On-site, Secondary: Online)
[Short Paper] A Study of Beamforming Feedback-based LOS Detection
Hiroki Shimomura, Takamochi Kanda, Koji Yamamoto (Kyoto Univ.), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Akihito Taya (Kyoto Univ./Univ. Tokyo) SeMI2022-101
Channel state information (CSI) in wireless local area network (WLAN) has attracted increasing attention for Wi-Fi sensi... [more] SeMI2022-101
pp.140-145
RCS, NS
(Joint)
2022-12-15
12:05
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Design and Development of mmWave Area Coverage with Analog Relay Stations
Keishi Tokugawa, Jin Nakazato, Keiichi Kubota, Kei Sakaguchi (Tokyo Tech), Tsuyoshi Itagaki, Masahiko Nanri, Mitsuhiro Kuchitsu, Soh Masuko (RMI) RCS2022-190
In B5G, coverage expansion technology is required to provide high-capacity communications in the high-frequency band to ... [more] RCS2022-190
pp.31-36
RCS, AP, UWT
(Joint)
2022-11-17
15:50
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A Study on Improvement of Communication Quality by Base Station Cooperative Up-Link MU-MIMO Interference Canceller with mixed SIMO and MIMO Transmissions
Ryohei Maeda (Tokyo Tech), Teruya Fujii (Tokyo Tech/Softbank Corp.) RCS2022-184
The mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. In a mob... [more] RCS2022-184
pp.167-172
 Results 1 - 20 of 112  /  [Next]  
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