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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| 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 | 2021-11-05 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 |
| 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 |
| 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 |
| COMP, IPSJ-AL | 2020-05-09 17:26 |
Online | Online | On Memory, Communication, and Synchronous Schedulers for Autonomous Mobile Robots Paola Flocchini (UoO), Nicola Santoro (CU), Koichi Wada (HU) COMP2020-3 |
We investigate the computational power of distributed systems whose autonomous computational entities, called robot... [more] | COMP2020-3 pp.17-24 |
| SR | 2019-12-06 11:15 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | Energy Detection for M-QAM Signal Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) SR2019-103 |
In this paper, we address energy detection for M-ary quadrature amplitude modulation (QAM) signal. Typically, statisti... [more] |
SR2019-103 pp.83-86 |
| RISING (2nd) |
2019-11-26 10:30 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo | [Poster Presentation]
Energy detection for M-QAM signal Shun Ishihara, Kenta Umebayashi (TUAT), Janne Lehtomaki (UOO) |
In this presentation, we address energy detection for M-ary quadrature amplitude modulation (QAM) signal. Typically, sta... [more] | |
| SR | 2018-10-31 10:25 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Performance analysis of Two elements Adaptive Array Antenna based on Weights and Space Control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli, Jarkko Kaleva (UoO) SR2018-81 |
Adaptive Array Antenna based on weight control (AAA-W) which has fixed antenna position suppresses M-1 interference sign... [more] | SR2018-81 pp.51-56 |
| SR | 2018-10-31 13:25 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Efficient channel allocation for Citizens broadband radio service/spectrum access system Ryo Sato, Kenta Umebayashi (TUAT), K. B. Shashika Manosha (UoO) SR2018-89 |
Citizens Broadband Radio Service (CBRS) system is the three-tier spectrum sharing systems which consists of incumbent us... [more] | SR2018-89 pp.83-84 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 10:55 |
Hokkaido | Hakodate Arena | [Poster Presentation]
A study on efficient Antenna selection based on Spatial Correlation for Adaptive Array Antenna Takumi Sakamoto, Kenta Umebayashi (TUAT), Antti Tolli (UOO) RCC2018-50 NS2018-63 RCS2018-108 SR2018-47 ASN2018-44 |
In general, the number of interference signals which can be suppressed by an adaptive array antenna is determined by the... [more] | RCC2018-50 NS2018-63 RCS2018-108 SR2018-47 ASN2018-44 pp.111-117(RCC), pp.117-123(NS), pp.129-135(RCS), pp.121-127(SR), pp.127-133(ASN) |
| RCS, SR, SRW (Joint) |
2018-02-28 09:20 |
Kanagawa | YRP | Spatial Correlation-based Antenna Selection for Adaptive Array Antenna Takumi Sakamoto, Kenta Umebayashi (TUAT), Antti Tolli (UoO) RCS2017-326 |
Suppressing interference using an adaptive array antenna, the number of antenna elements determines the number of interf... [more] | RCS2017-326 pp.51-56 |
| SR | 2018-01-25 14:15 |
Fukuoka | Fukuoka univ. | A study on adaptive array antenna based on weight and antenna spacing control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli (UoO) SR2017-96 |
Adaptive array antenna with M elements and M RF-chains can suppress M − 1 interference singnals by controling array weig... [more] | SR2017-96 pp.15-22 |
| SR | 2018-01-26 09:55 |
Fukuoka | Fukuoka univ. | Time and frequency varying noise floor estimation for spectrum usage measurement Hiroki Iwata, Kenta Umebayashi (TUAT), Janne Lehtomaki (UoO), Miguel Lopez-Benitez (UoL) SR2017-101 |
For efficient spectrum sharing between heterogeneous wireless systems, statistical information regarding spectrum use by... [more] | SR2017-101 pp.43-50 |
| SR, SRW (Joint) |
2017-10-24 14:00 |
Overseas | Grand Hotel Palatino, Rome, Italy | [Poster Presentation]
Antenna configuration for antenna spacing based adaptive array antenna Kenta Umebayashi, Yoshimasa Kimoto (TUAT), Antti Tolli (UoO) SR2017-76 SRW2017-28 |
[more] | SR2017-76 SRW2017-28 pp.31-32(SR), pp.35-36(SRW) |
| SR, SRW (Joint) |
2016-05-17 12:00 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Invited Lecture]
Smart Spectrum Access based on spectrum usage measurements Kenta Umebayashi (TUAT), Janne Lehtomaki (UoO), Miguel Lopez-Benitez (UoL) SR2016-11 |
[more] | SR2016-11 p.37 |
| SR, SRW (Joint) (2nd) |
2015-10-27 09:30 |
Tokyo | KKE | [Technology Exhibit]
Spectrum awareness system prototype for smart spectrum access Kenta Umebayashi, Riki Mizuchi, Hiroki Iwata, Kazuhiro Hayashi, Masanao Kobayashi, Samuli Tiiro, Yoshitaka Tamaki, Tatsuya Maruyama (TUAT), Janne Lehtomaki (UoO), Miguel Lopez-Benitez (UoL), Yasuo Suzuki (TUAT) |
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