Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
UWT (2nd) |
2025-01-28 14:15 |
Tokyo |
Tokai University Shinagawa Campusity (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Pulse Position Modulation based Hadamard-Coded Multiplexing for Underwater Optical Wireless Communications with Diffused Light Sources Si Han Ong, Ekkaphol Khansalee, Yasuhiro Okamura, Masanori Hanawa (Univ. of Yamanashi) |
[more] |
|
UWT (2nd) |
2025-01-28 14:40 |
Tokyo |
Tokai University Shinagawa Campusity (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A New Maximum-Likelihood Estimation Method by Adjacent-Sample Correlation and Receiver-Side Oversampling Taishu Takatsuki, Ekkaphol Khansalee, Yasuhiro Okamura, Masanori Hanawa (Univ. of Yamanashi) |
[more] |
|
UWT (2nd) |
2025-01-28 15:05 |
Tokyo |
Tokai University Shinagawa Campusity (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Underwater Acoustic Wireless Communication (UAWC)-based distributed sensor network with salinity estimation for shrimp farms in Bangladesh Md Ashiqur Rahman, Masanori Hanawa (Univ. of Yamanashi) |
[more] |
|
UWT (2nd) |
2024-06-21 16:05 |
Niigata |
新潟大学 駅南キャンパスときめいと (Niigata, Online) (Primary: On-site, Secondary: Online) |
Full-Swing PAM4 Modulation for Underwater Optical Wireless Communications using High-Power Transmitters with Strong Non-Linearity Ekkaphol Khansalee, Yasuhiro Okamura, Masanori Hanawa (Univ. of Yamanashi) |
This report proposes a full-swing PAM4 (FS-PAM4) modulation aimed at improving the unequally spaced levels of received P... [more] |
|
UWT (2nd) |
2022-03-01 14:30 |
Online |
Online (Online) |
A Study of Underwater Optical Wireless Communications Using THP Kazuhiko Nakamura, Masanori Hanawa (Univ. of Yamanashi) |
In this article, the effect of Tomlinson-Harashima Precoding (THP) as a pre-equalizer for bandwidth compensation and int... [more] |
|
OCS, CS (Joint) |
2021-01-14 15:45 |
Online |
Online (Online) |
Automatic design of constellations and discriminant boundary by auto-encoder type machine learning Yudai Goto, Masanori Hanawa (Univ. of Yamanashi) OCS2020-32 |
Autoencoder (AE), a type of machine learning, was applied to the automatic design of signal constellations and discrimin... [more] |
OCS2020-32 pp.27-32 |
PN |
2018-11-21 12:35 |
Yamanashi |
Satoshi Omura Museum, Yamanashi Univ. (Yamanashi) |
A study on Adaptive IQ Imbalance Method and Receiver-side Digital Signal Processing for Energy-efficient Downlink Transmission in Coherent PON System Kouki Arai, Takahiro kodama, Masanori Hanawa (yamanashi Univ.) PN2018-23 |
[more] |
PN2018-23 pp.1-6 |
PN |
2018-11-22 09:55 |
Yamanashi |
Satoshi Omura Museum, Yamanashi Univ. (Yamanashi) |
Proof-demonstration of 10 GSymbol/s PAM4-OCDM system for optical short-reach communications Tatsuya Miyazaki, Takahiro Kodama, Masanori Hanawa (Univ. of Yamanashi), Akihiro Maruta (Osaka Univ.), Naoya Wada (NICT), Gabriella Cincotti (Roma Tre Univ.), Ken-ichi Kitayama (NICT) PN2018-29 |
[more] |
PN2018-29 pp.41-47 |
NS, OCS, PN (Joint) |
2018-06-14 09:45 |
Fukushima |
Koriyama-Shoko-Kaigisho (Fukushima) |
Study of digital-domain inter-chip linear intensity slope compensation for FE-SOCDM system Tomoki Nukanobu, Tatsuya Miyazaki, Takahiro Kodama, Masanori Hanawa (Univ. of Yamanashi) PN2018-5 |
(Advance abstract in Japanese is available) [more] |
PN2018-5 pp.1-8 |
NS, OCS, PN (Joint) |
2018-06-14 10:10 |
Fukushima |
Koriyama-Shoko-Kaigisho (Fukushima) |
Demonstration of PAM4 to QPSK modulation format conversion using XPM Tatsuya Miyazaki, Takahiro Kodama, Masanori Hanawa (Univ. of Yamanashi) PN2018-6 |
(Advance abstract in Japanese is available) [more] |
PN2018-6 pp.9-16 |
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] |
2018-01-25 13:00 |
Hyogo |
(Hyogo) |
[Invited Talk]
Implementation on silicon waveguide of optical discrete Fourier transformer for Fourier-coded synchronous optical code division multiplexing Masanori Hanawa, Takahiro Kodama, Haruki Yoshino, Tatsuya Miyazaki (Univ. of Yamanashi) PN2017-73 EMT2017-110 OPE2017-151 LQE2017-133 EST2017-109 MWP2017-86 |
[more] |
PN2017-73 EMT2017-110 OPE2017-151 LQE2017-133 EST2017-109 MWP2017-86 pp.209-216 |
CS, OCS (Joint) |
2016-01-22 13:05 |
Kagoshima |
Kagoshima University, Korimoto Campus, Inamori Auditorium (Kagoshima) |
Dispersion Tolerance Improvement on Transmission of 16-QAM signals Interleaved with Reference Light by Adjustment of Electric Field Amplitude Naotaka Ishimura, Yasuhiro Okamura (Tokushima Univ.), Masanori Hanawa (Yamanashi Univ.), Atsushi Takada (Tokushima Univ.) OCS2015-97 |
We propose an adjustment of electric field amplitude ratio (EAR) between 16-quadrature amplitude modulation (16QAM) sign... [more] |
OCS2015-97 pp.51-56 |
OPE |
2015-12-10 16:30 |
Ishikawa |
Shiinoki Cultural Complex (Ishikawa) |
Design of the 4-th order Optical Discrete Fourier Transformer with Asymmetric Mach-Zehnder Interferometer based on Si Buried Waveguide Reiko Horiuchi, Haruki Yoshino, Masanori Hanawa (Univ. of Yamanashi) OPE2015-142 |
Fourier-coded synchronous optical code division multiplexing (FE-OCDM) scheme may realize optical orthogonal frequency d... [more] |
OPE2015-142 pp.15-20 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-12 14:05 |
Ehime |
Matsuyama Civic Center (Ehime) |
5Gbit/s RZ-PAM4 transmission experiments over standard SMFs based on Gain-switched optical short pulse source with simultaneous reduction of timing jitter and frequency chirp Songyuan Dai, Masanori Hanawa (Yamanashi Univ.) OCS2015-81 |
Although GS-LD can easily generate optical short pulses having about 30ps of FWHM, the generated pulses cannot be used f... [more] |
OCS2015-81 pp.1-6 |
NS, OCS, PN (Joint) |
2015-06-19 15:40 |
Fukui |
Fukui-shi-chiiki-kouryu (Fukui) |
10m transmission of 405 nm, 1.45 Gbit/s optical IM/DD-OFDM signals through underwater wireless channel with a water flow and bubbles Kazuhiko Nakamura, Izumi Mizukoshi, Masanori Hanawa (Univ. of Yamanashi) OCS2015-24 |
We experimentally demonstrate wireless transmission of optical intensity modulation/direct detection-orthogonal frequenc... [more] |
OCS2015-24 pp.69-74 |