Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, AP (Joint) |
2024-11-15 12:35 |
Ishikawa |
(Primary: On-site, Secondary: Online) |
[Invited Lecture]
A study of direction of arrival estimation by antenna array utilizing received signal levels Ryo Watabe, Kenta Umebayashi (TUAT), Antti Tolli (UoO) AP2024-152 RCS2024-168 |
This study shows that the accuracy of DOA (Direction Of Arrival) estimation using array antennas can be improved by util... [more] |
AP2024-152 RCS2024-168 pp.93-98(AP), pp.86-91(RCS) |
RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-19 17:20 |
Hokkaido |
Hokkaido Citizens Activities Promotion Center (Primary: On-site, Secondary: Online) |
A study on deep learning based weight and spacing control adaptive array antenna Kenta Umebayashi, Ugo Kamada (TUAT), Antti Tolli (UoO) RCS2024-115 |
[more] |
RCS2024-115 pp.150-154 |
SR |
2024-01-26 09:35 |
Nagano |
Nagano-ken JA building (Primary: On-site, Secondary: Online) |
Enhanced Signal Detection and transmit signal Design for Massive SIMO Communications with 1-Bit ADCs Doaa Abdelhameed (Aswan Univ.), Kenta Umebayashi (TUAT), Italo Atzeni, Antti Tölli (UoO) SR2023-78 |
[more] |
SR2023-78 pp.34-41 |
SR |
2024-01-26 14:35 |
Nagano |
Nagano-ken JA building (Primary: On-site, Secondary: Online) |
Initialization of FCME algorithm for real-time noise floor estimation Yau Hong Leow, Kenta Umebayashi (TUAT), Janne Lehtomaki (UoO), Miguel Lopez-Benitez (UoL) SR2023-84 |
This paper investigates the initialization of the Forward Consecutive Mean Excision (FCME) algorithm for real-time noise... [more] |
SR2023-84 pp.62-69 |
SIP, IT, RCS |
2024-01-18 17:35 |
Miyagi |
(Primary: On-site, Secondary: Online) |
Analysis of antenna selection based adaptive antenna for interference cancellation Jumpei Shimaoka, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology), Antti Tolli (University of Oulu) IT2023-49 SIP2023-82 RCS2023-224 |
Adaptive antenna array based on two antenna selection (AAA-TS: Adaptive Antenna Array based on Two antenna Selection) is... [more] |
IT2023-49 SIP2023-82 RCS2023-224 pp.99-104 |
RCS, SR, SRW (Joint) |
2023-03-01 16:40 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Design of SVD-Precoded Faster-Than-Nyquist Signaling Considered Inter-Block-Interference Yuto Ikarashi, Kenta Umebayashi (TUAT) RCS2022-266 |
Singular-Value-Decomposition-Precoded Faster-Than-Nyquist Signaling(SVD-FTNS) is considered as method to efficiently uti... [more] |
RCS2022-266 pp.112-117 |
RCS, SR, SRW (Joint) |
2023-03-02 13:50 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Talk]
Channel model and characteristics for THz wireless communications Kenta Umebayashi (TUAT) RCS2022-277 SR2022-89 SRW2022-54 |
[more] |
RCS2022-277 SR2022-89 SRW2022-54 pp.173-180(RCS), pp.32-39(SR), pp.58-65(SRW) |
RCS, SR, SRW (Joint) |
2023-03-03 09:00 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Analysis of the SINR properties of AAA-WS under multipath environment Jumpei Shimaoka, Shun Ishihara, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology) RCS2022-284 |
In this paper, we analyze the SINR properties of adaptive antenna array based on not only weight but also antenna space ... [more] |
RCS2022-284 pp.201-206 |
AP, RCS (Joint) |
2021-11-11 11:20 |
Nagasaki |
NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A study on SINR Characteristics of Adaptive Antenna Array based on Weight and Antenna Space Control Shun Ishihara, Kenta Umebayashi (TUAT), Antti Tolli (UOO) RCS2021-160 |
This paper addresses the analysis of the performance of adaptive antenna array based on weight and antenna space control... [more] |
RCS2021-160 pp.92-97 |
SR |
2021-11-04 14:05 |
Online |
Online |
[Invited Talk]
5G experimental trial based on smart spectrum in 5G-Enhance project Kenta Umebayashi (TUAT) SR2021-47 |
[more] |
SR2021-47 pp.38-45 |
SR |
2021-11-05 14:15 |
Online |
Online |
Initialization of forward method in CFAR outlier detection Yau Hong Leow, Kenta Umebayashi (TUAT), Janne Lehtomaki (UoO) SR2021-57 |
To solve the spectrum scarcity problem, energy detection (ED) is an effective technique to find the vacant spectrum for ... [more] |
SR2021-57 pp.98-103 |
SR |
2021-05-20 10:25 |
Online |
Online |
Energy Detection for M-QAM Signals Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) SR2021-2 |
In this paper, we compare several analyses of energy detection for $M$-ary quadrature amplitude modulation (QAM) signals... [more] |
SR2021-2 pp.8-15 |
SR |
2021-05-21 14:00 |
Online |
Online |
[Technology Exhibit]
5G experimental trial based on smart spectrum Kenta Umebayashi, Hiroki Iwata (TUAT), Hirofumi Nakajo (UEC), Hikaru Kawasaki (NICT), Yusaku Babazono, Yoshinori Yahiro (TUAT), Takeo Fujii, Koichi Adachi, Taiki Matsushima (UEC), Yusuke Shibata (ECATV), Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) SR2021-18 |
[more] |
SR2021-18 pp.120-127 |
EMCJ, MICT (Joint) |
2021-03-05 13:35 |
Online |
Online |
A Study of noise source identification method based on near-field measurement of switching power supplies Hiroyasu Sano, Satoshi Suzuki, Yasuaki Kaneda, Hidekatsu Sasaki (TIRI), Kenta Umebayashi (TAT) EMCJ2020-78 |
Fast switching increases the radiated noise, which is a problem that exceeds the regulation value of radiated emission t... [more] |
EMCJ2020-78 pp.30-34 |
RCS, SR, SRW (Joint) |
2021-03-04 11:35 |
Online |
Online |
[Poster Presentation]
Measurement Results of 920MHz LPWA Radiowave Propagation at Half Wavelength Interval in LOS/NLOS Environment Tomoyuki Kawashima, Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT), Hiroshi Naruse (Mie Univ.) RCS2020-236 SR2020-75 SRW2020-65 |
[more] |
RCS2020-236 SR2020-75 SRW2020-65 pp.161-162(RCS), pp.54-55(SR), pp.49-50(SRW) |
RCS, SR, SRW (Joint) |
2021-03-04 11:35 |
Online |
Online |
[Poster Presentation]
Spatially Interpolated Measurement Results of Environmental Information for Optimization of Sensor Placement and Its Evaluation Ryoma Yasutani, Koki Kitazumi, Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT), Hiroshi Naruse (Mie Univ.) RCS2020-238 SR2020-77 SRW2020-67 |
[more] |
RCS2020-238 SR2020-77 SRW2020-67 pp.165-166(RCS), pp.58-59(SR), pp.53-54(SRW) |
SIP, IT, RCS |
2021-01-21 13:35 |
Online |
Online |
A study on SINR Characteristics of Adaptive Antenna Array based on Weight and Antenna Space Control Shun Ishihara, Kenta Umebayashi (TUAT), Antti Tolli (UOO) IT2020-77 SIP2020-55 RCS2020-168 |
In this paper, we address the analysis of the performance of adaptive antenna array based on weight and antenna space co... [more] |
IT2020-77 SIP2020-55 RCS2020-168 pp.81-86 |
SR |
2020-11-18 13:55 |
Online |
Online |
Study on Quick Detection of Video Streaming based on Spectrum Measurement Hiroto Ebisawa, Kenta Umebayashi (TUAT), Janne Lehtomaki (University of Oulu) SR2020-27 |
For a dynamic channel selection/allocation in a high-dense wireless local area network (WLAN), traffic information in ea... [more] |
SR2020-27 pp.29-36 |
SR |
2020-11-18 14:20 |
Online |
Online |
A Study on Noise Power Estimation based on Goodness of Fit Statistics Hiroki Iwata, Kenta Umebayashi (TUAT) SR2020-28 |
This paper focuses on spectrum sensing and spectrum measurement exploiting an energy detector. In this case, an noise po... [more] |
SR2020-28 pp.37-43 |
IN, RCS, NV (Joint) |
2020-05-22 09:30 |
Online |
Online |
A Study on antenna selection criterion for adaptive array antenna based on selecting antenna elements Takahiro Suzuki, Kenta Umebayashi (TUAT), Quang-Doanh Vu (UoO) RCS2020-18 |
[more] |
RCS2020-18 pp.43-48 |