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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CS, CQ (Joint) |
2023-05-18 13:00 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
Principle Experiment of Spatial Optical Wireless Communication Using Time Domain Hybrid PAM Signal Ayumu Kariya, Tomoya Ishikawa, Fumiya Kobori, Keita Tnaka, Takahiro Kodama (Kagawa Univ)  CS2023-2 |
[more] | CS2023-2 pp.6-10 |
| CS, CQ (Joint) |
2023-05-18 13:25 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
An Initial Study of Underwater Optical Wireless Communications Using a Transmit-Beam Shaper Tomoya Ishikawa, Ayumu Kariya, Fumiya Kobori, Takahiro Kodama (Kagawa Univ) CS2023-3 |
[more] | CS2023-3 pp.11-14 |
| CS, CQ (Joint) |
2023-05-18 13:50 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
A Study on Light Source Frequency Control by Kalman Filter Applying Polarity Reversal by Q-factor Degradation Threshold Keita Tanaka, Momoka Masaoka, Keiji Shimada, Ken'ichi Fujimoto, Takahiro Kodama (Kagawa Univ) CS2023-4 |
[more] | CS2023-4 pp.15-19 |
| CS, CQ (Joint) |
2023-05-19 16:05 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
Demonstration of IQ channel multiplexing coherent polarization multiplexing 4ASK signal in downlink transmission with distance difference in access span Keiji Shimada, Mizuki Inagaki (Kagawa Univ), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ) CS2023-16 |
In the coherent PON system, the transmission distance from each optical network unit to the optical line terminal is dif... [more] | CS2023-16 pp.47-50 |
| CS, CQ (Joint) |
2023-05-19 16:30 |
Kagawa | Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
Study of the symbol time arrangement of Two-type modulation for Duobinary-coded Time Domain Hybrid PAM System Fumiya Kobori, Keita Tanaka, Ayumu Kariya, Takahiro Kodama (Kagawa Univ) CS2023-17 |
[more] | CS2023-17 pp.51-56 |
| PN | 2023-03-02 13:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
Study of Duobinary-coded Time Domain Hybrid PAM System Fumiya Kobori, Keita Tanaka, Ayumu Kariya, Takahiro Kodama (Kagawa Univ.) PN2022-61 |
We study a time-domain hybrid pulse-amplitude modulation scheme, a mixture of two pulse-amplitude modulation schemes for... [more] | PN2022-61 pp.101-105 |
| PN | 2023-03-02 13:40 |
Okinawa | (Primary: On-site, Secondary: Online) |
Study of Constellation-Preserving Simple Symbol Encryption Using a Time-Spread Encryption Key Hodaka Amano, Keiji Shimada, Takahiro Kodama (Kagawa Univ.) PN2022-62 |
We study a constellation-preserving symbol encryption M-QAM scheme in which the symbol arrangement containing data is re... [more] | PN2022-62 pp.106-111 |
| PN | 2023-03-02 14:00 |
Okinawa | (Primary: On-site, Secondary: Online) |
A study on fully coupled/half-split shared link-switchable access scheme with capacity retention in link failure case Ryunosuke Minamoto, Yuta Kimura, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2022-63 |
[more] | PN2022-63 pp.112-118 |
| PN | 2023-03-02 14:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
A Study on Laser Frequency Control Using Kalman Filter to Avoid Excessive Bandwidth Narrowing Keita Tanaka, Momoka Masaoka, Keiji Shimada, Ken'ichi Fujimoto, Takahiro Kodama (Kagawa Univ.) PN2022-64 |
[more] | PN2022-64 pp.119-124 |
| OCS, CS (Joint) |
2023-01-13 10:50 |
Fukuoka | CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
A Study on Time Resource Allocation and Route Selection in a Fully-Coupled Half-Split Switched Point-to-Multipoint TDM System Yuta Kimura, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) CS2022-67 |
A disaster-tolerant point-to-multipoint (P-to-MP) network (NW) configuration is being studied as a form of mobile fronth... [more] | CS2022-67 pp.20-25 |
| OCS, CS (Joint) |
2023-01-13 14:45 |
Fukuoka | CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
Comparative study of Distance-adaptive Underwater Wireless Optical Communication under Bandwidth Limitation Keita Tanaka, Fumiya Kobori, Takahiro Kodama (Kagawa Univ.) OCS2022-66 |
(Advance abstract in Japanese is available) [more] | OCS2022-66 pp.33-38 |
| 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.) OCS2022-67 |
We have proposed constellation-preserving simple symbol encryption that keeps the arrangement of symbol points containin... [more] | OCS2022-67 pp.39-44 |
| 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 |
| ITE-BCT, OCS, IEE-CMN, OFT | 2022-11-10 13:35 |
Miyagi | Forest-Sendai (Primary: On-site, Secondary: Online) |
Experiments of Shallow Water Channel Full-duplex Transmission for Secure Underwater Invisible Light Communication Systems Using Sunlight-blocked and Distance-adaptive Transceivers Ayumu Kariya, Keita Tanaka, Fumiya Kobori (Kagawa Univ.), Shogo Hayashida (Sangikyo Corp.), Takahiro Kodama (Kagawa Univ.) OCS2022-40 |
(Advance abstract in Japanese is available) [more] | OCS2022-40 pp.1-6 |
| PN | 2022-11-07 16:45 |
Kochi | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Underwater Visible Light Wireless Communications Takahiro Kodama (Kagawa Univ.) PN2022-27 |
In this paper, we describe the technology that our organization is working on for underwater optical wireless in shallow... [more] | PN2022-27 pp.32-38 |
| PN | 2022-08-30 09:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Study of time resource allocation and route selection for dedicated and hierarchical shared link switchable point-to-multipoint NW Yuta Kimura, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2022-16 |
[more] | PN2022-16 pp.44-48 |
| PN | 2022-08-30 10:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Experimental 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 | 2022-03-01 15:40 |
Online | Online | [Invited Talk]
Experimental demonstration of Ultra-Wideband and Ultrawide Bandwidth-range Optical Channel Provisioning Using SDM/WDM Hierarchical Optical Cross Connect Itsuki Urashima, Tsubasa Ishikawa, Takahiro Kodama, Yudai Uchida, Masahiko Jinno (Kagawa Univ.) PN2021-63 |
[more] | PN2021-63 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 |
| PN | 2022-03-02 13:00 |
Online | Online | An indoor experiment of 1m class short-reach visible optical wireless communication using seawater of the Seto Inland Sea as an underwater transmission line Keita Tanaka, Fumiya Kobori, Tomoya Nakagawa, Momoka Masaoka, Ayumu Kariya, Tomoya Ishikawa, Shota Eguchi, Takahiro Kodama (Kagawa Univ.) PN2021-76 |
In this time, to simulate the underwater transmission line in the natural environment in underwater optical wireless com... [more] | PN2021-76 pp.129-133 |
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