Optimized BICM-8QAM formats based on generalized mutual information. - Shaoliang Zhang; Kohei Nakamura; Fatih Yaman; Eduardo Mateo 001; Takanori Inoue; Yoshihisa Inada (ECOC, 2015)

First quasi-single-mode transmission over transoceanic distance using few-mode fibers. - Fatih Yaman; Shaoliang Zhang; Yue-Kai Huang; Ezra Ip; John D. Downie; William A. Wood; Aramais R. Zakharian; Snigdharaj K. Mishra; Jason E. Hurley; Yequn Zhang; Ivan B. Djordjevic; Ming-Fang Huang; et al. (OFC, 2015)

Trans-pacific transmission of quad-carrier 1Tb/s DP-8QAM assisted by LUT-based MAP algorithm. - Shaoliang Zhang; Fatih Yaman; Yue-Kai Huang; Takanori Inoue; Kohei Nakamura; Eduardo Mateo 001; Yoshihisa Inada; Ting Wang 016; Takaaki Ogata (OFC, 2015)

An FPGA-based low-latency network processing for spark streaming. - Kohei Nakamura; Ami Hayashi; Hiroki Matsutani (IEEE BigData, 2016)

Nonlinear Characterization of Fiber Optic Submarine Cables. - Eduardo Mateo 001; Kohei Nakamura; Takanori Inoue; Yoshihisa Inada; Takaaki Ogata (ECOC, 2017)

Design and Performance Evaluation of a GMI-Optimized 32QAM. - Shaoliang Zhang; Fatih Yaman; Eduardo Mateo 001; Takanori Inoue; Kohei Nakamura; Yoshihisa Inada (ECOC, 2017)

An FPGA NIC Based Hardware Caching for Blockchain. - Yuma Sakakibara; Kohei Nakamura; Hiroki Matsutani (HEART, 2017)

A generalized pairwise optimization for designing multi-dimensional modulation formats. - Shaoliang Zhang; Fatih Yaman; Eduardo Mateo 001; Takanori Inoue; Kohei Nakamura; Yoshihisa Inada (OFC, 2017)

Accelerating Online Change-Point Detection Algorithm Using 10 GbE FPGA NIC. - Takuma Iwata; Kohei Nakamura; Yuta Tokusashi; Hiroki Matsutani (Euro-Par Workshops, 2018)

Evolution from 8QAM live traffic to PS 64-QAM with Neural-Network Based Nonlinearity Compensation on 11000 km Open Subsea Cable. - Valey Kamalov; Ljupcho Jovanovski; Vijay Vusirikala; Shaoliang Zhang; Fatih Yaman; Kohei Nakamura; Takanori Inoue; Eduardo Mateo 001; Yoshihisa Inada (OFC, 2018)

Flex-Rate Transmission using Hybrid Probabilistic and Geometric Shaped 32QAM. - Shaoliang Zhang; Zhen Qu; Fatih Yaman; Eduardo Mateo 001; Takanori Inoue; Kohei Nakamura; Yoshihisa Inada; Ivan B. Djordjevic (OFC, 2018)

A Hardware-Based Caching System on FPGA NIC for Blockchain. - Yuma Sakakibara; Shin Morishima; Kohei Nakamura; Hiroki Matsutani (IEICE Trans. Inf. Syst., 2018)

On the Performance Metric and Design of Non-Uniformly Shaped Constellation. - Shaoliang Zhang; Fatih Yaman; Eduardo Mateo 001; Ivan B. Djordjevic; Kohei Nakamura; Takanori Inoue; Yoshihisa Inada (OFC, 2019)

An FPGA-Based Change-Point Detection for 10Gbps Packet Stream. - Takuma Iwata; Kohei Nakamura; Yuta Tokusashi; Hiroki Matsutani (IEICE Trans. Inf. Syst., 2019)

Design and Evaluation of Electronic-Microsaccade with Balanced Stimulation for Artificial Vision System. - Yaogan Liana; Zhengyang Qian; Bang Du; Jinming Ye; Kohei Nakamura; Shengwei Wang; Hisashi Kino; Takafumi Fukushima; Koji Kiyoyama; Tetsu Tanaka (BioCAS, 2021)

Estimation of Core-Cladding Concentricity Error From GAWBS Noise Spectrum. - Fatih Yaman; Kohei Nakamura; Eduardo Mateo 001; Shinsuke Fujisawa; Hussam G. Batshon; Takanori Inoue; Yoshihisa Inada (OFC, 2021)

Implementation of Light and Dark Adaptation Function for High QOL 3D-Stacked Artificial Retina Chip. - Kohei Nakamura; Yaogan Liang; Bang Du; Shengwei Wang; Yuta Aruga; Bunta Inoue; Hisashi Kino; Takafumi Fukushima; Koji Kiyoyama; Tetsu Tanaka (BioCAS, 2022)

Teaching Analytics Across Multiple Systems: A Case Study at a Junior High School in Japan. - Kohei Nakamura; Izumi Horikoshi; Hiroaki Ogata (ICCE, 2022)

200µm Diameter Fiber for SDM Submarine Networks: Cabling Performance and Record Transmission Result. - Takanori Inoue; Kohei Nakamura; Yuushi Matsuo; Fatih Yaman; Sergejs Makovejs; Jennifer T. Prater; Juan Carlos Aquino; Daishi Masuda; Yoshihisa Inada; Eduardo Mateo 001 (OFC, 2022)

First Demonstration of Uncoupled 4-Core Multicore Fiber in a Submarine Cable Prototype with Integrated Multicore EDFA. - Hitoshi Takeshita; Kohei Nakamura; Yuushi Matsuo; Takanori Inoue; Daishi Masuda; Tetsuya Hiwatashi; Kohei Hosokawa; Yoshihisa Inada; Emmanuel Le Taillandier de Gabory (OFC, 2022)

3D-stacked retinal prosthesis chip with binary image capture and edge detection functions for human visual restoration. - Yaogan Liang; Bang Du; Kohei Nakamura; Shengwei Wang; Bunta Inoue; Yuta Aruga; Hisashi Kino; Takafumi Fukushima; Koji Kiyoyama; Tetsu Tanaka (IEICE Electron. Express, 2022)

Development of Trans-nail PPG Controller Using Fingertip Blood Volume Changes to Enable Highly Accurate Motion Prediction. - Kohei Nakamura; Bang Du; Keishun Sugishita; Ryo Hasegawa; Hisashi Kino; Takafumi Fukushima; Koji Kiyoyama; Tetsu Tanaka (BioCAS, 2023)

Extraction of Characteristic Answering Behavior Using Handwritten Log Data. - Junya Atake; Taito Kano; Kohei Nakamura; Chia-Yu Hsu 002; Izumi Horikoshi; Hiroaki Ogata (ICCE, 2023)

Visualization of Instructional Patterns from Daily Teaching Log Data. - Kohei Nakamura; Izumi Horikoshi; Rwitajit Majumdar; Hiroaki Ogata (ICCE, 2023)

Extract instructional process from xAPI log data: a case study in Japanese junior high school. - Kohei Nakamura; Izumi Horikoshi; Rwitajit Majumdar; Hiroaki Ogata (Res. Pract. Technol. Enhanc. Learn., 2024)

Uncovering insights from big data: change point detection of classroom engagement. - Kohei Nakamura; Manabu Ishihara; Izumi Horikoshi; Hiroaki Ogata (Smart Learn. Environ., 2024)

Aligning Digital Educational Policies with the New Realities of Schooling. - Deirdre Butler; Margaret Leahy; Amina Charania; Peiris Meda Gedara; Therese Keane; Thérèse Laferrière; Kohei Nakamura; Hiroshi Ueda; Stefania Bocconi (Technol. Knowl. Learn., 2024)

Co-designing Data-Driven Educational Technology and Practice: Reflections from the Japanese Context. - Hiroaki Ogata; Changhao Liang; Yuko Toyokawa; Chia-Yu Hsu 002; Kohei Nakamura; Taisei Yamauchi; Brendan Flanagan; Yiling Dai; Kyosuke Takami; Izumi Horikoshi; Rwitajit Majumdar (Technol. Knowl. Learn., 2024)

Learning stream plot: classroom activity visualization with daily learning log data. - Izumi Horikoshi; Yuko Toyokawa; Kohei Nakamura; Rwitajit Majumdar; Hiroaki Ogata (Smart Learn. Environ., 2025)