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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| PN | 2024-03-15 09:00 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Research on QAM symbol block cipher using space-time digital key transformation Reika Suketomo, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.)  PN2023-76 |
We have shown by simulation that a spatial-temporal spreading key encryption with spatial digital key transformation(DKX... [more] | PN2023-76 pp.37-41 |
| PN | 2024-03-15 16:10 |
Kagoshima | (Primary: On-site, Secondary: Online) |
A Study of Coherent Downstream Transmission of Adaptive Polarization and IQ Multiplexed Signals with Asymmetric Number of Signal Points and Amplitude Yuika Mori, Keiji Shimada, Takahiro Kodama (Kagawa Univ.) PN2023-92 |
We have already reported downlink transmission using IQ multiplexed 4ASK signals with power loading for the difference i... [more] | PN2023-92 pp.127-130 |
| UWT (2nd) |
2024-01-29 16:40 |
Tokyo | Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Estimation of the modulation method ratio for time-domain hybrid PAM signals using machine learning Ayumu Kariya, Fumiya Kobori, Keita Tanaka, Takahiro Kodama (Kagawa Univ.) |
We propose a transmission capacity estimation method for time-domain hybrid PAM schemes with variable transmission capac... [more] | |
| SR | 2023-11-09 16:10 |
Miyagi | (Primary: On-site, Secondary: Online) |
PMCW radar using Zadoff-Chu sequence for radar-communication integration (2)
-- Effects of Hardware Imperfections on Correlation Detection Performance -- Rikuto Kondo, Masahiro Umehira, Katsuyuki Fujii, Yasuyuki Okumura (Nanzan Univ.) SR2023-53 |
Radar-communication integration systems combining radar functions required for sensing in automatic driving and advanced... [more] | SR2023-53 pp.36-41 |
| OCS, LQE, OPE | 2023-10-19 15:15 |
Kochi | (Primary: On-site, Secondary: Online) |
Impact of Reflections at MMI Combiner in Mach-Zehnder Silicon Optical Modulators: Towards Extrinsic OMA Enhancement Tadashi Murao (Mitsubishi Electric), Tsuyoshi Horikawa (Tokyo Tech.) OCS2023-34 OPE2023-89 LQE2023-36 |
The realization of high dynamic extinction ratio (ER) and optical modulation amplitude (OMA) while keeping the optical a... [more] | OCS2023-34 OPE2023-89 LQE2023-36 pp.37-40 |
| PN | 2023-08-29 10:05 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Optical fiber long-distance multi-repeater transmission experiment of phase-shifted symbol-preserving encrypted polarization-multiplexed QAM signals Reika Suketomo, Yuika Mori, Hodaka Amano, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2023-16 |
We have demonstrated that phase-shifted symbol-preserving encryption does not cause excessive degradation in 7 ch WDM 32... [more] | PN2023-16 pp.1-5 |
| 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 |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 09:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
Texture Reproduction of Ultrasonic Mid-Air Haptics Based on Amplitude Modulation Signal Generation Using Fricative Sounds Feature Extraction and Hand Tracking Asuto Ueda, Toru Takahashi, Masato Nakayama (Osaka Sangyo Univ.) EA2022-104 SIP2022-148 SP2022-68 |
We have proposed a method to reproduce the texture of an object by recording and analyzing the fricative sounds of the o... [more] | EA2022-104 SIP2022-148 SP2022-68 pp.171-176 |
| IE, ITS, ITE-MMS, ITE-ME, ITE-AIT [detail] | 2023-02-21 13:15 |
Hokkaido | Hokkaido Univ. | Noninterferometric detection by the transport of intensity equation method for a phase- and amplitude-modulated signal beam generated by a phase-SLM Taishi Miwa, Tomohiro Nishimura, Masatoshi Bunsen (Fukuoka Univ.) |
Complex amplitude modulation, in which both the amplitude and phase of the signal beam are modulated, has been attractin... [more] | |
| 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 |
| 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 |
| OPE, OCS, LQE | 2022-10-20 15:45 |
Ehime | (Primary: On-site, Secondary: Online) |
Theoretical and Experimental Investigation of Frequency Chirp Induced by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2022-22 OPE2022-68 LQE2022-31 |
Characteristic variations caused by nonuniformities in the fabrication process are inevitable in carrier-depletion Mach–... [more] | OCS2022-22 OPE2022-68 LQE2022-31 pp.28-33 |
| OFT | 2022-10-13 10:50 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Noise reduction technique for amplitude-modulated optical soliton transmission considering wavelength dispersion of optical fiber Kazuki Sakamoto, Hirokazu Kubota, Yuji Miyoshi (Osaka Metropolitan Univ.) OFT2022-28 |
Research and development related to Beyond 5G, the next generation of fifth-generation mobile communication systems (5G)... [more] | OFT2022-28 pp.39-42 |
| WIT, IPSJ-AAC | 2022-03-09 13:25 |
Online | Online | Development of Guidance System for the Blind Using a Pair of Pickup Coil Kouhei Komine, Kazuhisa Ito (Shibaura Inst. of Tech.) WIT2021-54 |
The braille blocks support the blinds with cane to walk public road safe. The block has uneven surface to tell them the ... [more] | WIT2021-54 pp.65-70 |
| EA, SIP, SP, IPSJ-SLP [detail] | 2022-03-01 09:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Amplitude modulation on high frequency noise induced by non-stationary audio system and its effect in audible range Masahide Kita, Shinichi Miyamoto, Yukiyasu Okamura, Kiminobu Nishimura (Kindai Univ.) EA2021-66 SIP2021-93 SP2021-51 |
In a linear-stationary audio, as frequency components of signal are independent each other, an effect of noise in supers... [more] | EA2021-66 SIP2021-93 SP2021-51 pp.15-20 |
| 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 15:55 |
Online | Online | Application of polarization-independent subtractive interference cancellation algorithm for same-band and bidirectional coherent communication Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-84 |
When a single core and the same band bidirectional transmission is performed in a passive optical network (PON) for mobi... [more] | PN2021-84 pp.169-173 |
| PN | 2022-03-02 16:35 |
Online | Online | Evaluation of the optimum modulation arrangement in a time frame for TDHP signal with same generation ratio of PAM2/PAM4 Fumiya Kobori, Keita Tanaka, Takahiro Kodama (Kagawa Univ.) PN2021-86 |
For underwater optical wireless communication system using the visible light wavelength band single-carrier-method, whic... [more] | PN2021-86 pp.180-184 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-28 09:50 |
Online | Online | [Invited Talk]
Optical Parametric Signal Processing for Optical Fiber Communication Yasuhiro Okamura, Akira Tanaka, Atsushi Takada (Tokushima Univ.) PN2021-42 EMT2021-58 MWP2021-47 |
Phase-sensitive optical amplification (PSA) and optical-phase conjugation (OPC) have recently received broad attention a... [more] | PN2021-42 EMT2021-58 MWP2021-47 pp.51-55 |
| 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 |
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