Toshihiko Okamura

14 papers A 1B 1C 2Misc 1Journal 5Unranked 4
YearRankTypeTitle / Venue / Authors
2025 — conf
Highly Resilient Heterogeneous QKD Systems Integrated into Live Carrier-Grade C+L-Band ROADM-Based Links.
ECOC
Hiroki Kawahara, Yasuhiro Katsube, Tetsuo Kawakami, Kotaro Ueda, Yu Yu, Toshihiko Okamura, Keisuke Mera, Yoshimichi Tanizawa, Masashi Ito, Mikio Fujiwara, Masahide Sasaki, Wakako Maeda, Naoto Ishii
2025 — conf
Polarization-Independent 2.5-GHz Four-Encoding / Two-Decoy State BB84 QKD Systems Using Gated InGaAs SPADs.
ECOC
Hiroki Kawahara, Seigo Takahashi, Toshihiko Okamura, Wakako Maeda, Naoto Ishii
2024 J jnl
Coexistence Demonstration and Wavelength Dependency Analysis of S-Band CV-QKD Signal with Fully Loaded C+L-Band DWDM Signals.
Entropy
Tetsuo Kawakami, Hiroki Kawahara, Toshihiko Okamura, Wakako Maeda
2024 — conf
No-guard-band integration of digital coherent CV-QKD system into 400 Gbit/s 75 GHz grid DWDM systems.
OFC
Tetsuo Kawakami, Hiroki Kawahara, Toshihiko Okamura, Ken-ichiro Yoshino, Wakako Maeda
2022 C conf
Efficient Word Size Modular Multiplication over Signed Integers.
ARITH
Daichi Aoki, Kazuhiko Minematsu, Toshihiko Okamura, Tsuyoshi Takagi
2019 — conf
Security Requirements for Store-on-Client and Verify-on-Server Secure Biometric Authentication.
ETAA@ESORICS
Haruna Higo, Toshiyuki Isshiki, Masahiro Nara, Satoshi Obana, Toshihiko Okamura, Hiroto Tamiya
2016 J jnl
Hardware-Trojans Rank: Quantitative Evaluation of Security Threats at Gate-Level Netlists by Pattern Matching.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masaru Oya, Noritaka Yamashita, Toshihiko Okamura, Yukiyasu Tsunoo, Masao Yanagisawa, Nozomu Togawa
2015 J jnl
A Hardware-Trojans Identifying Method Based on Trojan Net Scoring at Gate-Level Netlists.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masaru Oya, Youhua Shi, Noritaka Yamashita, Toshihiko Okamura, Yukiyasu Tsunoo, Satoshi Goto, Masao Yanagisawa, Nozomu Togawa
2014 A conf
A smaller and faster variant of RSM.
DATE
Noritaka Yamashita, Kazuhiko Minematsu, Toshihiko Okamura, Yukiyasu Tsunoo
2013 C conf
Load distribution of an OpenFlow controller for role-based network access control.
APNOMS
Takayuki Sasaki, Yoichi Hatano, Kentaro Sonoda, Yoichiro Morita, Hideyuki Shimonishi, Toshihiko Okamura
2011 Misc conf
Information and communication technology infrastructure and management for collaboration with regional universities and colleges.
SIGUCCS
Takashi Yamanoue, Robert J. Fouser, Tomohito Wada, Masayasu Hidaka, Yusei Suzuki, Masaharu Terada, Akira Takenoshita, Yutoku Beppu, Yoko Nedachi, Koji Yukawa, Holmes Rodriguez, Katsuyuki Suenaga, Yuichi Yamanaka, Toshihiko Okamura, Anne Elizabeth Brasier, Hiroyuki Seto, Kazuhide Dogome, Takeshi Yamada, Noritaka Oto, Masakazu Ito, Munetomo Nedachi
2009 J jnl
A Hybrid ARQ Scheme Based on Rate-Compatible Low-Density Parity-Check Codes by Shortening and Extending.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshihiko Okamura
2008 B conf
A Hybrid ARQ Scheme Based on Shortened Low-Density Parity-Check Codes.
WCNC
Toshihiko Okamura
1992 J jnl
A Si bipolar 5-Gb/s 8:1 multiplexer and 4.2-Gb/s 1:8 demultiplexer.
IEEE J. Solid State Circuits
Masahiro Ohuchi, Toshihiko Okamura, Akihiro Sawairi, F. Kuniba, K. Matsumoto, Tsutomu Tashiro, S. Hatakeyama, K. Okuyama