Kohei Nakamura

According to our database, Kohei Nakamura authored at least 25 papers between 2015 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2024

Co-designing Data-Driven Educational Technology and Practice: Reflections from the Japanese Context.

Hiroaki Ogata, Changhao Liang, Yuko Toyokawa, Chia-Yu Hsu, Kohei Nakamura, Taisei Yamauchi, Brendan Flanagan, Yiling Dai, Kyosuke Takami, Izumi Horikoshi, Rwitajit Majumdar

Technol. Knowl. Learn., December, 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., December, 2024

Uncovering insights from big data: change point detection of classroom engagement.

Kohei Nakamura, Manabu Ishihara, Izumi Horikoshi, Hiroaki Ogata

Smart Learn. Environ., December, 2024

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

2023

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

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2023

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

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

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

Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2022

2021

Estimation of Core-Cladding Concentricity Error From GAWBS Noise Spectrum.

Fatih Yaman, Kohei Nakamura, Eduardo Mateo, Shinsuke Fujisawa, Hussam G. Batshon, Takanori Inoue, Yoshihisa Inada

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

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

Proceedings of the IEEE Biomedical Circuits and Systems Conference, BioCAS 2021, 2021

2019

An FPGA-Based Change-Point Detection for 10Gbps Packet Stream.

Takuma Iwata, Kohei Nakamura, Yuta Tokusashi, Hiroki Matsutani

IEICE Trans. Inf. Syst., 2019

On the Performance Metric and Design of Non-Uniformly Shaped Constellation.

Shaoliang Zhang, Fatih Yaman, Eduardo Mateo, Ivan B. Djordjevic, Kohei Nakamura, Takanori Inoue, Yoshihisa Inada

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

2018

A Hardware-Based Caching System on FPGA NIC for Blockchain.

Yuma Sakakibara, Shin Morishima, Kohei Nakamura, Hiroki Matsutani

IEICE Trans. Inf. Syst., 2018

Flex-Rate Transmission using Hybrid Probabilistic and Geometric Shaped 32QAM.

Shaoliang Zhang, Zhen Qu, Fatih Yaman, Eduardo Mateo, Takanori Inoue, Kohei Nakamura, Yoshihisa Inada, Ivan B. Djordjevic

Proceedings of the Optical Fiber Communications Conference and Exposition, 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, Yoshihisa Inada

Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Accelerating Online Change-Point Detection Algorithm Using 10 GbE FPGA NIC.

Takuma Iwata, Kohei Nakamura, Yuta Tokusashi, Hiroki Matsutani

Proceedings of the Euro-Par 2018: Parallel Processing Workshops, 2018

2017

A generalized pairwise optimization for designing multi-dimensional modulation formats.

Shaoliang Zhang, Fatih Yaman, Eduardo Mateo, Takanori Inoue, Kohei Nakamura, Yoshihisa Inada

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

An FPGA NIC Based Hardware Caching for Blockchain.

Yuma Sakakibara, Kohei Nakamura, Hiroki Matsutani

Proceedings of the 8th International Symposium on Highly Efficient Accelerators and Reconfigurable Technologies, 2017

Design and Performance Evaluation of a GMI-Optimized 32QAM.

Shaoliang Zhang, Fatih Yaman, Eduardo Mateo, Takanori Inoue, Kohei Nakamura, Yoshihisa Inada

Proceedings of the European Conference on Optical Communication, 2017

Nonlinear Characterization of Fiber Optic Submarine Cables.

Eduardo Mateo, Kohei Nakamura, Takanori Inoue, Yoshihisa Inada, Takaaki Ogata

Proceedings of the European Conference on Optical Communication, 2017

2016

An FPGA-based low-latency network processing for spark streaming.

Kohei Nakamura, Ami Hayashi, Hiroki Matsutani

Proceedings of the 2016 IEEE International Conference on Big Data (IEEE BigData 2016), 2016

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, Yoshihisa Inada, Ting Wang, Takaaki Ogata

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Eduardo Mateo, Kohei Nakamura, Takanori Inoue, Yoshihisa Inada, Takaaki Ogata

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Optimized BICM-8QAM formats based on generalized mutual information.

Shaoliang Zhang, Kohei Nakamura, Fatih Yaman, Eduardo Mateo, Takanori Inoue, Yoshihisa Inada

Proceedings of the European Conference on Optical Communication, 2015