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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2023-10-19 13:00 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Evaluation of Three Directivity Control Techniques for Increasing Number of Elements in Array Antennas
-- Comparison of analysis using Array Factor, E-MIMO, and Retrodirective methods -- Hinata Kato, Qiaowei Yuan (Tohoku Institute of Technology)  AP2023-113 |
The E-MIMO principal method was developed by this laboratory to calculate the maximum efficiency of MIMO systems, and it... [more] | AP2023-113 pp.94-95 |
| AP | 2023-10-20 15:20 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-127 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] | AP2023-127 pp.153-157 |
| 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 |
| US | 2023-08-21 15:05 |
Tokyo | Tokyo Tech Front, Tokyo Tech (Ookayama Campus) | High-resolution ultrasound imaging based on sub-band phase information Jie Zheng, Norio Tagawa (Tokyo Metropolitan Univ.) US2023-34 |
We have proposed two schemes to improve the resolution of ultrasound imaging by using subband phase information of recei... [more] | US2023-34 pp.18-23 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-12 10:00 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Scalable Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming Daisuke Ishii, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-79 |
In this paper, we investigate a method for clustering UE-specific transmission TRPs in downlink cell-free multi-input mu... [more] | RCS2023-79 pp.1-6 |
| 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 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-14 14:25 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Experimental study of vital sensing using 300GHz band sub-terahertz wave
-- Remote measurement of hertbeat information -- Shusaku Umeda, Kazuaki Ishioka, Kota Nakamura, Michiya Hayama, Akinori Taira, Akihiro Okazaki (MELCO) RCS2023-100 |
The terahertz wave has both characteristics, permeability of radio and high-resolution of light, and it is expected to b... [more] | RCS2023-100 pp.109-114 |
| RCS | 2023-06-14 09:30 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28 |
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] | RCS2023-28 pp.1-6 |
| RCS | 2023-06-14 09:40 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Characteristic Improvement of Direct-Binary Search Leveraged Loose Beam Forming in Massive MIMO Systems Yuta Hayashi, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-29 |
In massive MIMO systems, a loose beam forming method is considered to solve the problem of increased computation and ant... [more] | RCS2023-29 pp.7-12 |
| 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 | 2023-06-14 15:35 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on Accurate Beam Tracking Method Using Vehicle Location Information in 5G Millimeter Wave Vehicle Communication System Takumi Eboshita, Eiji Okamoto (NIT) RCS2023-41 |
Millimeter-wave band having a wide bandwidth is being used in 5G, and is expected to be an important means of communicat... [more] | RCS2023-41 pp.75-80 |
| RCS | 2023-06-15 17:55 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on AP Antenna Configuration for Cell-Free Massive MIMO with Hybrid Beamforming in the Upper-mid Band. Shunsuke Kamiwatari, Masaaki Ito, Issei Kanno (KDDI Research, Inc.) RCS2023-64 |
Cell-Free massive multi-input multi-output (CF mMIMO) is a candidate foundation for the sixth-generation (6G). In additi... [more] | RCS2023-64 pp.212-217 |
| 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 |
| AP (2nd) |
2023-06-01 13:00 |
Nagano | Nagano Prefecture Minamimaki Village Office, Central Public Hall | Measurement of Radiation Characteristics of 28-GHz Band Beam Forming Antenna System Keisuke Sato, Susumu Miura (DKK) |
In the 28 GHz band of 5G, high-gain beam steering using a beamforming antenna system is used. In this paper, we develop ... [more] | |
| 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 |
| CS, CQ (Joint) |
2023-05-18 16:00 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
A study of wireless 2D beamforming by optical phase control Honoka Ito, Ken Hiraga, Riichi Kudo (NTT) CQ2023-3 |
In the 6G wireless communication system, utilization of high-frequency bands, including the THz band, is being considere... [more] | CQ2023-3 pp.13-17 |
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