Akira Kawai

According to our database, Akira Kawai authored at least 15 papers between 2019 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Programmable Photonic Unitary Processor Enables Parametrized Differentiable Long-Haul Spatial Division Multiplexed Transmission.

Mitsumasa Nakajima, Kohki Shibahara, Kohei Ikeda, Akira Kawai, Masaya Notomi, Yutaka Miyamoto, Toshikazu Hashimoto

CoRR, May, 2025

Poster: A Proposal to Detect Driving Danger Signs Using Probe Data.

Akira Kawai, Asuya Sakioka, Yoshihiro Niimi

Proceedings of the IEEE Vehicular Networking Conference, 2025

27-THz ISRS-Supported Transmission Over 1040 km in S+C+L+U and Extreme Longer-Wavelength Band.

Shimpei Shimizu, Kosuke Kimura, Akira Kawai, Masashi Abe, Shunya Konno, Takushi Kazama, Masanori Nakamura, Fukutaro Hamaoka, Koji Enbutsu, Takahiro Kashiwazaki, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Takeshi Umeki, Takayuki Kobayashi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2025

Full C-band 3317-km 12-Coupled-Core-Fiber Transmission with 266.2-Tbps Capacity Using Field-Installed Fiber-Optic Cable.

Kohki Shibahara, Akira Kawai, Megumi Hoshi, Masanori Nakamura, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Koichi Maeda, Shigehiro Takasaka, Ryo Nagase, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2025

2024

Adaptive Segmentation Enhanced Asynchronous Federated Learning for Sustainable Intelligent Transportation Systems.

Xiaokang Zhou, Wei Liang, Akira Kawai, Kaoru Fueda, Jinhua She, Kevin I-Kai Wang

IEEE Trans. Intell. Transp. Syst., July, 2024

C+L+U-Band 14.85-THz WDM Transmission Over 80-km-Span G.654.E Fiber with Hybrid PPLN-OPA/EDFA U-Band Lumped Repeater Using 144-Gbaud PCS-QAM Signals.

Takayuki Kobayashi, Shimpei Shimizu, Akira Kawai, Masanori Nakamura, Masashi Abe, Takushi Kazama, Takeshi Umeki, Munehiko Nagatani, Kosuke Kimura, Hitoshi Wakita, Yuta Shiratori, Fukutaro Hamaoka, Hiroshi Yamazaki, Hiroyuki Takahashi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

Low-Complexity 4D×D MIMO Equalizer Enabling 2.6-Tb/s/λ SDM Signal Reception over Dynamic Four-Coupled-Core Cabled Transmission Line.

Akira Kawai, Kohki Shibahara, Masanori Nakamura, Takayuki Kobayashi, Takayoshi Mori, Ryota Imada, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

2023

Graph Attention Network With Spatial-Temporal Clustering for Traffic Flow Forecasting in Intelligent Transportation System.

Yan Chen, Tian Shu, Xiaokang Zhou, Xuzhe Zheng, Akira Kawai, Kaoru Fueda, Zheng Yan, Wei Liang, Kevin I-Kai Wang

IEEE Trans. Intell. Transp. Syst., August, 2023

Spatio-Temporal Graph Convolutional Networks via View Fusion for Trajectory Data Analytics.

Wenya Hu, Weimin Li, Xiaokang Zhou, Akira Kawai, Kaoru Fueda, Quan Qian, Jianjia Wang

IEEE Trans. Intell. Transp. Syst., April, 2023

38.4-Tbps Inline-amplified Transmission Using PPLN-based Optical Parametric Amplifier over 6 THz within L- and U-bands.

Shimpei Shimizu, Takayuki Kobayashi, Akira Kawai, Takushi Kazama, Masanori Nakamura, Koji Enbutsu, Takahiro Kashiwazaki, Masashi Abe, Takeshi Umeki, Yutaka Miyamoto, Tomoyuki Kato, Yu Tanaka, Takeshi Hoshida

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

103-ch. 132-Gbaud PS-QAM Signal Inline-amplified Transmission with 14.1-THz Bandwidth Lumped PPLN-based OPAs over 400-km G.652.D SMF.

Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira Kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Remote Digital Holographic Characterization of a 75.2 km Few-Mode Fiber without Reference Wave Transfer.

Akira Kawai, Shimpei Shimizu, Kohki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

2022

Resolution-aware Smoothing and Backward Filter Convergence for Accurate Optical Performance Monitoring.

Akira Kawai, Takayuki Kobayashi, Masanori Nakamura, Yutaka Miyamoto

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

4-Dimensional IQ Characteristic Estimation for Polarization-multiplexed Coherent Transceivers.

Akira Kawai, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2019

A Physical Strength Measurement and Analysis System for Elderly People Using Motion Sensors.

Akira Kawai, Shinichi Taniguchi, Hui Li LI, Shizue Izumi

Proceedings of the 10th IEEE Annual Ubiquitous Computing, 2019