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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 7 of 7  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, CS
(Joint)
2023-01-13
15:10
Fukuoka CANAL CITY HAKATA
(Primary: On-site, Secondary: Online)
An eavesdropping model for constellation-preserving simple symbol encryption and its evaluation
Keiji Shimada, Takahiro Kodama (Kagawa Univ.)
(Advance abstract in Japanese is available) [more]
CS, IE, IPSJ-AVM, ITE-BCT [detail] 2022-11-25
15:00
Aichi Nagoya Institute of Technology
(Primary: On-site, Secondary: Online)
Experiment of Real-time Full-duplex Transmission by LED Backhaul® for Aerial and Underwater Invisible Light Communication System
Keita Tanaka, Ayumu Kariya, Fumiya Kobori, Keiji Shimada (Kagawa Univ.), Shogo Hayashida (Sangikyo Corp.), Takahiro Kodama (Kagawa Univ.) CS2022-61 IE2022-49
 [more] CS2022-61 IE2022-49
pp.68-73
PN 2022-08-30
10:50
Hokkaido
(Primary: On-site, Secondary: Online)
Experimental study of symbol rate adaptive multi-band coherent transceiver
Momoka Masaoka, Takahiro Kodama, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto, Takashi Inoue, Shu Namiki (AIST), Masahiko Jinno (Kagawa Univ.) PN2022-18
 [more] PN2022-18
pp.54-59
PN 2022-03-02
09:50
Online Online Initial study of pseudo-phase noise-based symbol masked polarization-multiplexed M-QAM signal using a time-spreading encryption key
Keiji Shimada, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-70
In recent years, a common key cryptosystem for the physical layer has been introduced in digital signals to keep the dat... [more] PN2021-70
pp.92-97
OCS, CS
(Joint)
2022-01-14
11:00
Yamaguchi Conference room 204A・B at KDDI Ishin-hall
(Primary: On-site, Secondary: Online)
Study of the Amount of Mutual Information of Secure Polarization Multiplexed M-QAM Signal with Symbol Placement Retention Masking Method
Keiji Shimada, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) OCS2021-36
In recent years, optical communication transceivers have been required to have high confidentiality for data. A shared k... [more] OCS2021-36
pp.16-21
PN, NS, OCS
(Joint)
2021-06-25
15:50
Online Online Study of the Effect on Soft-decision Decoding of the Coherent M-QAM using Multi-stage symbol Placement Retention Masking
Keiji Shimada, Masahiro Misumi, Takahiro Kodama (Kagawa Univ.) OCS2021-8
In recent digital coherent optical communication systems, to keep data highly confidential, research is being conducted ... [more] OCS2021-8
pp.35-39
PRMU 2013-06-10
17:00
Tokyo   The study of identifying people method by using tablet sensors
Akihiro Katagiri, Tomoyuki Kato, Ryuta Nakagawa, Katsumasa Nagahama, Keiji Shimada (AsahiKASEI) PRMU2013-25
We considered the method of identifying people by using tablet sensors. We focused the features the people lift a tablet... [more] PRMU2013-25
pp.35-40
 Results 1 - 7 of 7  /   
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