Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2024-06-20 17:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Digital Self-Interference Cancellation for In-Band Full Duplexing Yuichi Miyaji (AIT), Kazuki Komatsu, Hideyuki Uehara (TUT) |
[more] |
|
RCS |
2024-06-21 10:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Digital self-interference cancellation of around 50 dB in in-band full-duplex experimental systems with shared LO and Low-IF configurations. Yuto Kato, Kazuki Komatu (TUT), Yuichi Miyaji (AIT), Hideyuki Uehara (TUT) |
[more] |
|
SRW, SeMI (Joint) |
2023-11-21 13:30 |
Tokyo |
Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
Improved Identification Accuracy of Different Types of ZigBee Devices Based on RF Circuit Imperfections Kota Mizumachi, Shohei Matsuoka, Kazuki Komatsu (Toyohashi Univ. of Tech.), Yuichi miyaji (Aichi inst. of Tech), Hideyuki Uehara (Toyohashi Univ. of Tech.) SeMI2023-41 |
[more] |
SeMI2023-41 pp.1-6 |
OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 09:30 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Distance correction of X-band radar by laser lidar Tomoyuki Uehara, Shuji Sayama, Tsuji Kenichiro (NDA) OFT2023-12 |
Radars are used to detect ships, structures, drones. Radars installed on ships and on land radars are placed on top of s... [more] |
OFT2023-12 pp.17-20 |
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-12 10:00 |
Osaka |
Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Indoor localization considering wireless LAN access point deployment and Received Signal Strength Indicator Yuki Adachi, Kazuki Komatsu, Hideyuki Uehara (Toyohashi Univ. of Tech.) SeMI2023-21 |
Our laboratory is developing an indoor localization system using received signal strength obtained from wireless LAN APs... [more] |
SeMI2023-21 pp.1-6 |
RCS |
2023-06-15 15:35 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Randomized DFT Spread Spectrally Efficient Frequency Division Multiplexing and Low-Complexity Expectation-Propagation Detection Kazuki Komatsu (Toyohashi Univ. of Tech.), Shun Kojima (Univ. of Tokyo), Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2023-59 |
Spectrally-efficient frequency division multiplexing (SEFDM) can transmit the same amount of data in a narrower bandwidt... [more] |
RCS2023-59 pp.182-187 |
RCS |
2023-06-15 16:00 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Noise-Assisted Relaxation of Nonlinearity: A Basic Theoretical Study Kazuki Komatsu (Toyohashi Univ. of Tech.), Yuichi Miyaji (Aichi Inst. of Tech.), Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2023-60 |
In communication systems using one-bit quantizers, a phenomenon called dithering or stochastic resonance, which can supp... [more] |
RCS2023-60 pp.188-193 |
RCS |
2023-06-16 09:30 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Evaluation of Impact of Fractional Delay on Digital Self-Interference Cancellers in USRP-Based Full-Duplex Terminals Kaisei Yamamoto, Kazuki Komatsu (Toyohashi Univ. of Tech.), Yuichi Miyaji (Aichi Inst. of Tech.), Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2023-65 |
Time-domain cancellers assume that the received and reconstructed self-interference signals are perfectly time synchroni... [more] |
RCS2023-65 pp.218-223 |
RCS, IN, NV (Joint) |
2023-05-25 10:25 |
Kanagawa |
Keio University (Hiyoshi Campus), and online (Primary: On-site, Secondary: Online) |
Device Identification of Different Types of ZigBee Devices Based on RF Circuit Imperfections Kota Mizumachi, Shohei Matsuoka, Kazuki Komatsu (Toyohashi Univ. of Tech.), Yuichi Miyaji (Aichi inst. of Tech.), Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2023-15 |
With the spread of the Internet of Things (IoT), there is a growing demand for enhanced security. Conventional authentic... [more] |
RCS2023-15 pp.7-12 |
ITE-BCT, OCS, IEE-CMN, OFT |
2022-11-10 15:25 |
Miyagi |
Forest-Sendai (Primary: On-site, Secondary: Online) |
Harmonic generation by generated microwave using optical beat Tomoyuki Uehara, Kenichiro Tsuji (NDA) OFT2022-37 |
A microwave is generated by optical beat of two lasers connected with optical fibers for the purpose of transmitting and... [more] |
OFT2022-37 pp.1-4 |
ITE-BCT, OCS, IEE-CMN, OFT |
2022-11-10 15:50 |
Miyagi |
Forest-Sendai (Primary: On-site, Secondary: Online) |
Remotely phase control of microwave signals using semiconductor optical amplifiers and optical beat Shunya Hayashi, Tomoyuki Uehara, Kenichiro Tsuji (NDA) OFT2022-38 |
Next-generation access networks are expected to use high-frequency radio signals with high attenuation, requiring the in... [more] |
OFT2022-38 pp.5-10 |
RCS, SIP, IT |
2022-01-20 09:30 |
Online |
Online |
Transmitter Nonlinearization using Digital Predistorter and Nelder-mead Method for In-band Full-duplex Eisaku Sato (Toyohashi Univ. of Tech.), Kazuki Komatsu (NICT), Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) IT2021-28 SIP2021-36 RCS2021-196 |
In-band full-duplex is expected to improve the spectrum efficiency, but it requires self-interference cancellation.
Us... [more] |
IT2021-28 SIP2021-36 RCS2021-196 pp.1-6 |
MW |
2021-12-16 16:05 |
Kanagawa |
Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Remote phase control of microwave signals generated by optical beat using 1.3μm-band SOA with 1.55μm-band signal light Shunya Hayashi, Tomoyuki Uehara, Kenichiro Tsuji (NDA) MW2021-94 |
Optical fiber wireless technology has been attracting attention to effectively transmit high-frequency wireless signals.... [more] |
MW2021-94 pp.55-60 |
AP, RCS (Joint) |
2021-11-10 11:15 |
Nagasaki |
NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Optimization of Companding Parameters in In-Band Full Duplex Kota Okano (Toyohashi Univ. of Tech.), Kazuki Komatsu (NICT), Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2021-145 |
In-band full-duplex utilizes the same frequency band to transmit and receive at the same time. However, the presence of ... [more] |
RCS2021-145 pp.13-18 |
RCS |
2021-10-21 16:00 |
Online |
Online |
[Poster Presentation]
Efforts to construct wireless experiment systems on in-band full-duplex Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2021-128 |
We have been studying in-band full-duplex as a technology for effective use of radio resources. In particular, we are ta... [more] |
RCS2021-128 p.56 |
IN, NS, CS, NV (Joint) |
2021-09-10 14:00 |
Online |
Online |
[Invited Talk]
ZigBee devices identification based on RF circuit impairments Ibuki Yoshitani, Ryota Shinoda, Yuichi Miyaji, Hideyuki Uehara (TUT) CS2021-48 |
In this report we introduce ZigBee devices identification based on physical information specific to wireless devices, wh... [more] |
CS2021-48 pp.37-41 |
OFT |
2021-05-14 14:45 |
Online |
Online |
Optically-generated microwave detection by electric field sensor using Mach-Zehnder interferometer Tomoyuki Uehara, Matsumoto Minagi, Kenichiro Tsuji (NDA) OFT2021-9 |
A microwave is generated by optical beat of two lasers connected with optical fibers for the purpose of transmitting and... [more] |
OFT2021-9 pp.36-39 |
OFT |
2021-05-14 15:10 |
Online |
Online |
Distributed strain measurement using stimulated Brillouin scattering pumped by orthogonal two-wavelength pulses Kenichiro Tsuji, Tomoyuki Uehara (NDA) OFT2021-10 |
In the distributed strain measurement with a conventional BOTDA using stimulated Brillouin scattering, a polarization sc... [more] |
OFT2021-10 pp.40-43 |
CS |
2020-07-17 13:30 |
Hokkaido |
Ripura(Rishiri Fuji) (Primary: On-site, Secondary: Online) |
Device identification based on RF circuit imperfections Taisei Nakada, Ryota Shinoda, Yuichi Miyaji, Hideyuki Uehara (TUT) CS2020-31 |
In this report we introduce device identification based on physical information specific to wireless devices, which is a... [more] |
CS2020-31 pp.61-66 |
RCS, SR, SRW (Joint) |
2020-03-04 11:35 |
Tokyo |
Tokyo Institute of Technology (Cancelled but technical report was issued) |
Improving In-Band Full-Duplex Capacity by Transmitter Nonlinearization using Digital Predistortion Chua Teong Zhe, Kazuki Komatsu, Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2019-338 |
In-band full-duplex (IBFD) is expected to have higher throughput or spectral efficiency compared to conventional wireles... [more] |
RCS2019-338 pp.99-104 |