Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-02-29 13:50 |
Okayama |
Okayama Prefectural University (Primary: On-site, Secondary: Online) |
Observation of WPT spectrum at 2.4 GHz band and 5 GHz band Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) MW2023-180 |
Usecase of Wireless Power Transfer (WPT) system becomes wider because of its convenience. 920MHz, 2.4GHz, 5GHz bands are... [more] |
MW2023-180 pp.31-36 |
SAT, SANE (Joint) |
2024-02-08 10:50 |
Kagoshima |
AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
Basic study of Q/V-band on-board DBF antenna subsystem for LEO constellation Noriharu Suematsu, Tomoyuki Furuichi, Satoshi Tsukamoto (Tohoku Univ.) SAT2023-62 |
For future Japanese Low Earth Orbit (LEO) constellation satellite communication, explore of new frequency band (Q/V-band... [more] |
SAT2023-62 pp.18-22 |
ITS, WBS, RCC |
2023-12-22 15:15 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Bit Error Rate of Noise Aided 2x2 SFBC-MIMO-OFDM Systems with 1bit ADCs Hideaki Sakayama, Masato Saito (Ryukyu Univ.), Takaya Yamazato (Nagoya Univ.) WBS2023-59 ITS2023-42 RCC2023-53 |
In this study, we conduct a Bit Error Rate (BER) performance evaluation in a $2times2$ Space-Frequency Block Code (SFBC)... [more] |
WBS2023-59 ITS2023-42 RCC2023-53 pp.161-166 |
AP, RCS (Joint) |
2023-11-17 11:25 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Differential OFDM for Underwater Acoustic Communications and its Experimental Results in Sharrow Sea Environment Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2023-172 |
It is well-known that underwater acoustic communications (UWACs) play an important role for underwater mobile communicat... [more] |
RCS2023-172 pp.101-106 |
MW |
2023-03-03 13:00 |
Tottori |
Tottori Univ. (Primary: On-site, Secondary: Online) |
A Radio Wave Environment Measurement in Dense Environment using Real-Time Wideband Spectrum Monitor Tomoyuki Furuichi, Takashi Shiba (Tohoku Univ.), Youhei Kubota, Ryo Koike, Kouhei Hanzawa (TMEJ), Noriharu Suematsu (Tohoku Univ.) MW2022-175 |
In an environment where multiple different wireless systems, such as wireless IoT, coexist in a narrow space such as a f... [more] |
MW2022-175 pp.103-107 |
RCS, SR, SRW (Joint) |
2023-03-01 10:00 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Experimental study on reception of 16QAM-OFDM signals using wideband noise and 1bit ADC Takuto Ohtaguro, Masato Saito (Ryukyu Univ.), Takaya Yamazato (Nagoya Univ.) RCS2022-247 |
In this study, we conduct experiments on demodulating 16QAM (Quadrature Amplitude Modulation)-OFDM (Orthogonal Frequency... [more] |
RCS2022-247 pp.1-8 |
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 |
OFT |
2023-01-19 15:35 |
Kyoto |
Campas Plaza Kyoto (Primary: On-site, Secondary: Online) |
Influence of Integral Circuit and AD Converter on Eye Pattern Observation Method of Nyquist WDM Signal Using Optical Correlation Detection Kohei Ikehata (Osaka Prefecture Univ.), Yuji Miyoshi, Hirokazu Kubota (Osaka Metropolitan Univ.) OFT2022-44 |
Optical signals used in optical communications are becoming wider band and faster as communication demand increases. In ... [more] |
OFT2022-44 pp.7-12 |
MW |
2022-12-15 15:00 |
Mie |
Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
A Design of Clock Fall Time for 60 GHz-band S/H Circuit using Simple Circuit Model Tomoyuki Furuichi, Mizuki Motoyoshi, Noriharu Suematsu (Tohoku Univ.) MW2022-135 |
The use of millimeter-wave bands such as the 60 GHz band has been attracting attention for broadband and large-capacity ... [more] |
MW2022-135 pp.22-26 |
HCGSYMPO (2nd) |
2022-12-14 - 2022-12-16 |
Kagawa |
Onsite (Sunport Takamatsu) and Online (Primary: On-site, Secondary: Online) |
Effect of sampling frequency on detection of eye movement features Rin Takanashi, Minoru Nakayama (Tokyo Tech) |
In this study, we examined the effects of sampling frequency on macrosaccade, saccade, and gaze
detection, which are e... [more] |
|
OFT |
2022-10-13 10:50 |
Kanagawa |
Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Super Agile High Resolution Spectrum Analyzer by Sampled Heterodyne System Hideto Takayasu, Shuhei Otsuka, Yuma Sato, Takahide Sakamoto (TMU) OFT2022-25 |
For monitoring today’s high-speed optical signals, there is a more and more demand for optical signal evaluation and mor... [more] |
OFT2022-25 pp.29-32 |
OFT |
2022-10-13 10:50 |
Kanagawa |
Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Bandwidth-by-band Measurement of Spatial-Mode Dispersion of Coupled 2-Core and 4-Core Fibers employing Linear Optical Sampling Shuki Okamura, Masafumi Uyama, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT) OFT2022-30 |
The impulse responses of coupled 2-core and 4-core fibers with various fiber lengths were measured over a wide bandwidth... [more] |
OFT2022-30 pp.47-52 |
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
For an experimental verification of MIMO-OFDM signals reception using noise and 1-bit ADCs Masato Saito (Ryukyu Univ.), Takaya Yamazato (Nagoya Univ.) |
An analog-to-digital converter (ADC) is essential for wireless digital communications.
While increasing the number of q... [more] |
|
SIP |
2022-08-26 11:06 |
Okinawa |
Nobumoto Ohama Memorial Hall (Ishigaki Island) (Primary: On-site, Secondary: Online) |
Initialization-robust blind synchronization of multiple microphones by incrementally widening frequency-band used in likelihood function Yoshiki Masuyama, Kouei Yamaoka, Nobutaka Ono (TMU) SIP2022-66 |
Asynchronous distributed microphone array, which is constructed by microphones on different devices, has gained much att... [more] |
SIP2022-66 pp.86-90 |
RCS |
2022-06-17 14:20 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Experimental study on an OFDM receiver with 1bit ADCs Masato Saito (Ryukyu Univ.), Takaya Yamazato (Nagoya Univ.) RCS2022-64 |
We have been studied on receiving the signals varying those amplitude by using additional noise and 1bit ADC (Analogue-t... [more] |
RCS2022-64 pp.236-241 |
MW |
2022-03-04 10:00 |
Online |
Online |
A 60 GHz-band S/H CMOS IC for Direct RF Undersampling Reception Tomoyuki Furuichi, Nagahiro Yoshino, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2021-131 |
As the increasing demand for high-speed communication, the use of millimeter-wave such as 60 GHz band has been attractin... [more] |
MW2021-131 pp.111-116 |
RCS, SR, SRW (Joint) |
2022-03-04 16:00 |
Online |
Online |
OFDM Wireless Receivers based on Time-to-Digital Conversion Yang Yang, Fukawa Kazuhiko, Chang Yuyuan (Tokyo Inst. of Tech.) RCS2021-292 |
To aim at low-cost OFDM wireless receivers with low-power, the report investigates a new analog-to-digital converter (AD... [more] |
RCS2021-292 pp.201-206 |
PN, MWP, EMT, PEM, IEE-EMT [detail] |
2022-01-27 13:30 |
Online |
Online |
Experimental Study of In-Vehicle Secondary radar to detect pedestrians in NLOS Satomi Masuda, Zhou Zhongqi, Maiko Kitamura, Mao Morishita, Kunihisa Jitsuno (Waseda Univ.), Keizo Inagaki, Atsushi Kanno (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2021-36 EMT2021-52 MWP2021-41 |
It's not easy to detect in areas where there are many obstacles to the signals, such as NLOS.
In this study, we invest... [more] |
PN2021-36 EMT2021-52 MWP2021-41 pp.19-22 |
SR |
2021-11-04 09:30 |
Online |
Online |
Direct RF undersampling method without anti-aliasing top filter Takashi Shiba (Tohoku Univ.), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) SR2021-41 |
Direct RF undersampling method is important technique for digital circuit and digital devices because sampling frequency... [more] |
SR2021-41 pp.1-8 |