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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 15 of 15  /   
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
 Results 1 - 15 of 15  /   
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