Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
MW, ED |
2023-01-27 09:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Calibration method for RF Spectrum Regeneration Using Direct RF Undersampling at Different Sampling Frequency Multi-path Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) ED2022-86 MW2022-145 |
A direct RF undersampling method is an important technique for simple circuits and devices because sampling frequency of... [more] |
ED2022-86 MW2022-145 pp.1-6 |
SR, UWT (Joint) |
2023-01-27 10:30 |
Tokyo |
Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
A Practical Number of Sampling Points for RF Spectrum Regeneration Method Using Direct RF Undersampling Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) SR2022-75 |
A Direct RF undersampling method is an important technique for simple circuits and devices because sampling frequency of... [more] |
SR2022-75 pp.12-19 |
RCS, SR, SRW (Joint) |
2022-03-02 15:00 |
Online |
Online |
Proposal on Two-Step Channel Observation Scheme considering Spread of Observation Results in Dynamic Spectrum Sharing Hideya So, Kenta Miguchi (SIT), Hayato Soya (neko 9) SR2021-96 |
Dynamic Spectrum Sharing (DSS), in which multiple wireless systems share the same radio resource, has been studied to im... [more] |
SR2021-96 pp.49-54 |
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 |
2021-01-25 10:25 |
Online |
Online |
A Study on Dynamic and Autonomous Decentralized Spectrum Sharing System Haruya Oguni, Toshiyuki Maeyama (Takushoku Univ.), Tatsuya Yoshioka (ATR), Nobuo Suzuki (Kindai Univ.), Akio Hasegawa, Hiroyuki Yokoyama (ATR) SR2020-48 |
Due to the recent development of mobile telecommunication systems, there is concern about the shortage of spectrum resou... [more] |
SR2020-48 pp.9-14 |
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 |
SR |
2019-12-06 10:50 |
Okinawa |
Ishigaki City Hall (Ishigaki Island) |
A Study on Setting of an Energy Detection Threshold with SNR Estimation Hiroki Iwata, Kenta Umebayashi (TUAT) SR2019-102 |
Energy detection (ED) is a popular signal detection method for spectrum sensing and spectrum usage
measurement in dynam... [more] |
SR2019-102 pp.75-82 |
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] |
|
RCS, SR, SRW (Joint) |
2019-03-08 10:55 |
Kanagawa |
YRP |
[Invited Lecture]
Direct RF Undersampling Receiver for Wireless IoT Real-time Spectrum Monitor using High-speed Clock Switching Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2018-139 |
Recently, with the popularization of wireless IoT (Internet of Things), real time frequency sensing technology for multi... [more] |
SR2018-139 pp.103-109 |
RCS |
2018-04-23 09:30 |
Yamaguchi |
Hotel New Tanaka, Yuda Onsen |
Study of Spectrum Sensing to Avoid Interference for Mobile Transmission FPU System Hiroaki Sudo, Kazuhiro Kosaka, Hideki Kanemoto, Noriyuki Gejoh, Takeshi Yasunaga, Mitsuru Uesugi (Panasonic) RCS2018-1 |
Time Division Duplex (TDD)-based bidirectional digital field pick-up unit (FPU) system is now being studied. This new di... [more] |
RCS2018-1 pp.1-6 |
RCS, CCS, SR, SRW (Joint) |
2016-03-03 10:15 |
Tokyo |
Tokyo Institute of Technology |
Accuracy Improvement for Spectrum Database considering Primary Signal in Time Domain Under Fading Environment Hao Wang, Koya Sato, Takeo Fujii (UEC) SR2015-99 |
Radio Environment Database (RED), as a practical technology to radio propagation estimation, is a promising solution to ... [more] |
SR2015-99 pp.65-70 |
SR |
2015-05-28 13:00 |
Hyogo |
Akashi-Sangyou-Koryu-Center |
Statistical Information-aided Transition Detection Method using Weighted Cooperative Sensing Hao Wang, Takeo Fujii (UEC) SR2015-1 |
In order to improve spectrum utilization efficiency of Cognitive Radio (CR) systems, it is important for Secondary User ... [more] |
SR2015-1 pp.1-6 |
RCS, NS (Joint) |
2014-12-18 10:50 |
Mie |
Iseshi-Kanko-Bunka-Kaikan (Mie) |
Performance of QoE-Oriented Wireless LAN with Access Control for Supporting Delay-Sensitive Applications Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Tomoaki Kumagai (ATR) RCS2014-224 |
We have proposed a QoE-oriented WLAN which employs channel access control for providing enough quality to as many applic... [more] |
RCS2014-224 pp.25-29 |
SR |
2014-10-30 13:00 |
Overseas |
I2R, Singapore |
[Poster Presentation]
A Study on Undesired Spectrum Detection Method with FFT Ryota Higashi, Mai Ohta (Fukuoka Univ.), Osamu Takyu (Sinshu Univ.), Takeo Fujii (Univ. of Electro-Comm.), Makoto Taromaru (Fukuoka Univ.) SR2014-65 |
The cognitive radio (CR) system utilizes a vacant spectrum (white space) in the coexistence environment with the existin... [more] |
SR2014-65 pp.33-34 |
SR |
2014-10-30 13:00 |
Overseas |
I2R, Singapore |
[Poster Presentation]
Prediction of Next ON/OFF State of Primary System by N-order Markov Chain Ryota Nakanishi, Mai Ohta, Makoto Taromaru (Fukuoka Univ.) SR2014-66 |
In this study, we propose a method that predicts the next ON/OFF state of a primary system (PS) by Nth-order Markov chai... [more] |
SR2014-66 pp.35-36 |
SR |
2014-05-23 14:10 |
Kanagawa |
Toshiba Education & Training Institute |
Delayed Correlation Based Signal Detection Scheme with Filter Bank for OFDM Signal Hiroyuki Odani, Shoya Uchida, Ryo Takai, Yukitoshi Sanada (Keio Univ.) SR2014-17 |
Delayed correlation has been used as a signal detection scheme for an orthogonal frequency devision multiplexing symbol ... [more] |
SR2014-17 pp.111-117 |
ASN, RCS, NS, SR (Joint) |
2013-07-18 15:45 |
Shizuoka |
Hamamatsu Act City |
[Poster Presentation]
A Temporal Analysis on FFT using GNU Radio for Spectrum Sensing Yuki Mizutani, Manabu Sato, Yuusuke Kawakita, Haruhisa Ichikawa (UEC) NS2013-52 RCS2013-103 SR2013-41 ASN2013-70 |
Aiming to detect the center frequency of energy harvesting wireless sensor, we formulated the processing time of FFT ana... [more] |
NS2013-52 RCS2013-103 SR2013-41 ASN2013-70 pp.103-108(NS), pp.145-150(RCS), pp.119-124(SR), pp.131-136(ASN) |