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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| RCS, SR, SRW (Joint) |
2020-03-06 13:30 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
[Poster Presentation]
Measurement Results of 920MHz LoRa Propagation at Half Wavelength Intervals Natsuki Miyoshi, Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT), Hiroshi Naruse (Mie Univ.) RCS2019-406 SR2019-140 SRW2019-90 |
[more] | RCS2019-406 SR2019-140 SRW2019-90 pp.411-412(RCS), pp.135-136(SR), pp.135-136(SRW) |
| RCS, SR, SRW (Joint) |
2020-03-06 13:30 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
[Poster Presentation]
Monitoring of Environmental Information Based on 920MHz LoRa Networks Ayumi Kaichi, Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT), Hiroshi Naruse (Mie Univ.) RCS2019-407 SR2019-141 SRW2019-91 |
[more] | RCS2019-407 SR2019-141 SRW2019-91 pp.413-414(RCS), pp.137-138(SR), pp.137-138(SRW) |
| CS, CAS | 2020-02-28 10:15 |
Kumamoto | Spreading Factor Allocation for End Device Lifetime Extension in LoRa Networks Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT) CAS2019-116 CS2019-116 |
[more] | CAS2019-116 CS2019-116 pp.105-110 |
|
| SR | 2019-12-05 13:50 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | [Poster Presentation]
920MHz-band LoRa Radiowave Propagation Measurement Results on Each Floor in Indoor Environment Taro Miyamoto, Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT), Hiroshi Naruse (Mie Univ.) SR2019-95 |
[more] | SR2019-95 pp.45-46 |
| SR | 2019-12-06 10:25 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | Signal Detection Theorem Based Approximated Analysis for LoRa Network Performances with LBT Shusuke Narieda (Mie Univ.), Takeo Fujii (UEC), Kenta Umebayashi (TUAT) SR2019-101 |
[more] | SR2019-101 pp.69-73 |
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