Yudai Yamazaki

According to our database, Yudai Yamazaki authored at least 30 papers between 2019 and 2026.

Collaborative distances:

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

2026

A 142-164-GHz Phased-Array AiP Module With High-Power-Density and High-Efficiency Transceiver in 65-nm CMOS for 6G UE.

Yudai Yamazaki, Yohei Morishita, Sunghwan Park, Takaya Uchino, Chenxin Liu, Jun Sakamaki, Akihiro Egami, Ryosuke Hasaba, Ken Takahashi, Tomoki Abe, Tomohiro Murata, Yoichi Nakagawa, Takashi Tomura, Hiroshi Taneda, Kei Murayama, Makoto Tsukahara, Hiroko Ota, Yoko Nakabayashi, Ryuji Kinugawa, Takumi Kojima, Anyi Tian, Kotaro Ito, Chun Wang, Hans Herdian, Yi Zhang, Zheng Li, Wenqian Wang, Hongye Huang, Dingxin Xu, Sena Kato, Michihiro Ide, Shinsuke Hara, Issei Watanabe, Akifumi Kasamatsu, Yuncheng Zhang, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Koji Takinami, Kenichi Okada

IEEE J. Solid State Circuits, April, 2026

A 52 Gb/s 8.9-dBm EIRP 300-GHz-Band Amplifier-Last Outphasing Transmitter With Path Mismatch Calibration in 65-nm CMOS.

Chun Wang, Olivia Angel Yong, Hans Herdian, Wenqian Wang, Abanob Shehata, Carrel da Gomez, Chenxin Liu, Yudai Yamazaki, Kazuaki Kunihiro, Hiroyuki Sakai, Yuncheng Zhang, Atsushi Shirane, Kenichi Okada

IEEE J. Solid State Circuits, April, 2026

2025

A Compact D-Band Phase Shifter With 0.1-Degree Phase Resolution and Ultra-Low Phase Error in 65-nm CMOS.

Takaya Uchino, Yudai Yamazaki, Anyi Tian, Chenxin Liu, Sunghwan Park, Abanob Shehata, Sena Kato, Takumi Kojima, Haruto Tanaka, Masayuki Kikuchi, Jill C. Mayeda, Ryuji Kinugawa, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

IEEE J. Solid State Circuits, October, 2025

A 640-Gb/s 4 × 4-MIMO D-Band CMOS Transceiver Chipset.

Chenxin Liu, Zheng Li, Yudai Yamazaki, Hans Herdian, Chun Wang, Anyi Tian, Jun Sakamaki, Han Nie, Xi Fu, Sena Kato, Wenqian Wang, Hongye Huang, Minzhe Tang, Dingxin Xu, Shinsuke Hara, Akifumi Kasamatsu, Takashi Tomura, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

IEEE J. Solid State Circuits, April, 2025

Prefrontal executive function enhanced by prior acute inhalation of low-dose hypoxic gas: Modulation via cardiac vagal activity.

Dongmin Lee, Yudai Yamazaki, Ryuta Kuwamizu, Masahiro Okamoto, Hideaki Soya

NeuroImage, 2025

Limited potential for fNIRS photobiomodulation in exercise-induced pupil dynamics and improved executive function.

Ryuta Kuwamizu, Yudai Yamazaki, Naoki Aoike, Taichi Hiraga, Toshiaki Hata, Michael A. Yassa, Hideaki Soya

NeuroImage, 2025

A 160-Gb/s D-Band Bi-Directional CMOS Mixer Covering 112-170 GHz for 6G Transceivers.

Chenxin Liu, Yudai Yamazaki, Anyi Tian, Chun Wang, Hans Herdian, Abanob Shehata, Han Nie, Minzhe Tang, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

IEEE Solid State Circuits Lett., 2025

11.1 A 256-Element Ka-Band CMOS Phased-Array Receiver Using Switch-Type Quadrature-Hybrid-First Architecture for Small Satellite Constellations.

Sena Kato, Jill C. Mayeda, Keito Yuasa, Michihiro Ide, Takeshi Ota, Shu Date, Yudai Yamazaki, Xiaolin Wang, Xi Fu, Dongwon You, Makoto Higaki, Jumpei Sudo, Hiroshi Takizawa, Masashi Shirakura, Takashi Tomura, Hiroyuki Sakai, Kazuaki Kunihiro, Kenichi Okada, Atsushi Shirane

Proceedings of the IEEE International Solid-State Circuits Conference, 2025

PRICoT: Principle Retrieval and Injection from Inference Successes and Failures for CoT Improvement.

Yudai Yamazaki, Naoto Takeda, Yasutaka Nishimura, Kazushi Ikeda

Proceedings of the 18th International Natural Language Generation Conference, 2025

When Instructions Multiply: Measuring and Estimating LLM Capabilities of Multiple Instructions Following.

Keno Harada, Yudai Yamazaki, Masachika Taniguchi, Edison Marrese-Taylor, Takeshi Kojima, Yusuke Iwasawa, Yutaka Matsuo

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2025, 2025

A D-Band CMOS Transceiver Chipset Supporting 640Gb/s Date Rate with 4?4 Line-of-Sight MIMO.

Chenxin Liu, Zheng Li, Yudai Yamazaki, Hans Herdian, Chun Wang, Anyi Tian, Jun Sakamaki, Han Nie, Xi Fu, Sena Kato, Wenqian Wang, Hongye Huang, Shinsuke Hara, Akifumi Kasamatsu, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

Proceedings of the 30th Asia and South Pacific Design Automation Conference, 2025

2024

Zero-shot Persuasive Chatbots with LLM-Generated Strategies and Information Retrieval.

Kazuaki Furumai, Roberto Legaspi, Julio Vizcarra, Yudai Yamazaki, Yasutaka Nishimura, Sina J. Semnani, Kazushi Ikeda, Weiyan Shi, Monica S. Lam

CoRR, 2024

A 640-Gb/s 4×4-MIMO D-Band CMOS Transceiver Chipset.

Chenxin Liu, Zheng Li, Yudai Yamazaki, Hans Herdian, Chun Wang, Anyi Tian, Jun Sakamaki, Han Nie, Xi Fu, Sena Kato, Wenqian Wang, Hongye Huang, Shinsuke Hara, Akifumi Kasamatsu, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

Proceedings of the IEEE Symposium on VLSI Technology and Circuits 2024, 2024

Zero-shot Persuasive Chatbots with LLM-Generated Strategies and Information Retrieval.

Kazuaki Furumai, Roberto Legaspi, Julio Romero, Yudai Yamazaki, Yasutaka Nishimura, Sina J. Semnani, Kazushi Ikeda, Weiyan Shi, Monica S. Lam

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2024, 2024

A Compact D-Band Phase Shifter with 0.1-degree Phase Resolution and 0.8-degree RMS Phase Error in 65 nm CMOS.

Takaya Uchino, Yudai Yamazaki, Sunghwan Park, Chenxin Liu, Anyi Tian, Abanob Shehata, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

Proceedings of the IEEE Asian Solid-State Circuits Conference, 2024

2023

A 37-43.5-GHz Phase and Amplitude Detection Circuit With 0.049° and 0.036-dB Accuracy for 5G Phased-Array Calibration Using Transformer-Based Injection-Enhanced ILFD.

Yudai Yamazaki, Jun Sakamaki, Jian Pang, Joshua Alvin, Zheng Li, Dongwon You, Jill C. Mayeda, Atsushi Shirane, Kenichi Okada

IEEE J. Solid State Circuits, October, 2023

Pupil dynamics during very light exercise predict benefits to prefrontal cognition.

Ryuta Kuwamizu, Yudai Yamazaki, Naoki Aoike, Taichi Hiraga, Toshiaki Hata, Michael A. Yassa, Hideaki Soya

NeuroImage, August, 2023

A 28GHz High-Accuracy Phase and Amplitude Detection Circuit for Dual-Polarized Phased-Array Calibration.

Yudai Yamazaki, Joshua Alvin, Jian Pang, Atsushi Shirane, Kenichi Okada

IEICE Trans. Electron., April, 2023

A 39-GHz CMOS Bidirectional Doherty Phased- Array Beamformer Using Shared-LUT DPD With Inter-Element Mismatch Compensation Technique for 5G Base Station.

Zheng Li, Jian Pang, Yi Zhang, Yudai Yamazaki, Qiaoyu Wang, Peng Luo, Weichu Chen, Yijing Liao, Minzhe Tang, Yun Wang, Xi Fu, Dongwon You, Naoki Oshima, Shinichi Hori, Jeehoon Park, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

IEEE J. Solid State Circuits, 2023

Can a Nudge Induce Garbage Disposal Behavior? Inducement in Prosocial Behavior.

Sana Ozono, Mutsuki Ori, Kiichiro Kai, Yudai Yamazaki, Cao Lian, Yukitoshi Kashimoto, Daisuke Kamisaka, Yugo Nakamura, Yutaka Arakawa

Proceedings of the 11th International Conference on Behaviour Change Support Systems, 2023

First Study to Enhance Self-Determination Theory by Utilizing Social Justification.

Yukitoshi Kashimoto, Cao Lian, Yudai Yamazaki, Daisuke Kamisaka

Proceedings of the 18th International Conference on Persuasive Technology, Adjunct Proceedings co-located with PERSUASIVE 2023, Eindhoven University of Technology, Eindhoven, The Netherlands, April 19th, 2023

Modeling and generating human mobility trajectories using transformer with day encoding.

Akihiro Kobayashi, Naoto Takeda, Yudai Yamazaki, Daisuke Kamisaka

Proceedings of the 1st International Workshop on the Human Mobility Prediction Challenge, 2023

Fine-Grained Urban Population Distribution Estimation Using Image Super-Resolution Model with Rich Auxiliary Information.

Naoto Takeda, Akihiro Kobayashi, Yudai Yamazaki, Daisuke Kamisaka

Proceedings of the IEEE International Conference on Big Data, 2023

2022

A 39-GHz CMOS Bi-Directional Doherty Phased-Array Beamformer Using Shared-LUT DPD with Inter-Element Mismatch Compensation Technique for 5G Base-Station.

Zheng Li, Jian Pang, Yi Zhang, Yudai Yamazaki, Qiaoyu Wang, Peng Luo, Weichu Chen, Yijing Liao, Minzhe Tang, Zhengyan Guo, Yun Wang, Xi Fu, Dongwon You, Naoki Oshima, Shinichi Hori, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

Proceedings of the IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits 2022), 2022

A 1.8-67GHz Divide-by-4 ILFD Using Area-Efficient Transformer-Based Injection-Enhancing Technique.

Yudai Yamazaki, Jian Pang, Atsushi Shirane, Kenichi Okada

Proceedings of the 48th IEEE European Solid State Circuits Conference, 2022

2021

Channel Allocation for LoRaWanConsidering Intra-System and Inter-System Interferences.

Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi

Proceedings of the 94th IEEE Vehicular Technology Conference, 2021

A 39GHz Divide-by-8 LC-Ring ILFD Designed for 5G New Radio n260 Band.

Yudai Yamazaki, Joshua Alvin, Jian Pang, Atsushi Shirane, Kenichi Okada

Proceedings of the 2021 IEEE International Conference on Integrated Circuits, 2021

Wireless System Selection with Spectrum Database for IoT.

Soraya Mitate, Yudai Yamazaki, Takeo Fujii, Shusuke Narieda

Proceedings of the International Conference on Information Networking, 2021

2020

Scheduling Algorithm Considering Interference Interval for LPWA.

Yudai Yamazaki, Takeo Fujii

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2020

2019

Spectrum Sharing Exploiting Spectrum Database for LPWA.

Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi

Proceedings of the Eleventh International Conference on Ubiquitous and Future Networks, 2019