Yudai Yamazaki

30 papers B 1Journal 13Unranked 16

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A 142-164-GHz Phased-Array AiP Module With High-Power-Density and High-Efficiency Transceiver in 65-nm CMOS for 6G UE. IEEE J. Solid State Circuits 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
2026	J	`jnl`	A 52 Gb/s 8.9-dBm EIRP 300-GHz-Band Amplifier-Last Outphasing Transmitter With Path Mismatch Calibration in 65-nm CMOS. IEEE J. Solid State Circuits 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
2025	—	`conf`	11.1 A 256-Element Ka-Band CMOS Phased-Array Receiver Using Switch-Type Quadrature-Hybrid-First Architecture for Small Satellite Constellations. ISSCC 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
2025	J	`jnl`	A 160-Gb/s D-Band Bi-Directional CMOS Mixer Covering 112-170 GHz for 6G Transceivers. IEEE Solid State Circuits Lett. Chenxin Liu, Yudai Yamazaki, Anyi Tian, Chun Wang, Hans Herdian, Abanob Shehata, Han Nie, Minzhe Tang, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada
2025	J	`jnl`	A 640-Gb/s 4 × 4-MIMO D-Band CMOS Transceiver Chipset. IEEE J. Solid State Circuits 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
2025	J	`jnl`	A Compact D-Band Phase Shifter With 0.1-Degree Phase Resolution and Ultra-Low Phase Error in 65-nm CMOS. IEEE J. Solid State Circuits 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
2025	—	`conf`	A D-Band CMOS Transceiver Chipset Supporting 640Gb/s Date Rate with 4?4 Line-of-Sight MIMO. ASP-DAC 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
2025	J	`jnl`	Limited potential for fNIRS photobiomodulation in exercise-induced pupil dynamics and improved executive function. NeuroImage Ryuta Kuwamizu, Yudai Yamazaki, Naoki Aoike, Taichi Hiraga, Toshiaki Hata, Michael A. Yassa, Hideaki Soya
2025	J	`jnl`	Prefrontal executive function enhanced by prior acute inhalation of low-dose hypoxic gas: Modulation via cardiac vagal activity. NeuroImage Dongmin Lee, Yudai Yamazaki, Ryuta Kuwamizu, Masahiro Okamoto, Hideaki Soya
2025	—	`conf`	When Instructions Multiply: Measuring and Estimating LLM Capabilities of Multiple Instructions Following. EMNLP (Findings) Keno Harada, Yudai Yamazaki, Masachika Taniguchi, Edison Marrese-Taylor, Takeshi Kojima, Yusuke Iwasawa, Yutaka Matsuo
2025	J	`jnl`	When Instructions Multiply: Measuring and Estimating LLM Capabilities of Multiple Instructions Following. CoRR Keno Harada, Yudai Yamazaki, Masachika Taniguchi, Edison Marrese-Taylor, Takeshi Kojima, Yusuke Iwasawa, Yutaka Matsuo
2024	—	`conf`	A 640-Gb/s 4×4-MIMO D-Band CMOS Transceiver Chipset. VLSI Technology and Circuits 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
2024	—	`conf`	A Compact D-Band Phase Shifter with 0.1-degree Phase Resolution and 0.8-degree RMS Phase Error in 65 nm CMOS. A-SSCC Takaya Uchino, Yudai Yamazaki, Sunghwan Park, Chenxin Liu, Anyi Tian, Abanob Shehata, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada
2024	—	`conf`	Zero-shot Persuasive Chatbots with LLM-Generated Strategies and Information Retrieval. EMNLP (Findings) Kazuaki Furumai, Roberto Legaspi, Julio Romero, Yudai Yamazaki, Yasutaka Nishimura, Sina J. Semnani, Kazushi Ikeda, Weiyan Shi, Monica S. Lam
2024	J	`jnl`	Zero-shot Persuasive Chatbots with LLM-Generated Strategies and Information Retrieval. CoRR Kazuaki Furumai, Roberto Legaspi, Julio Vizcarra, Yudai Yamazaki, Yasutaka Nishimura, Sina J. Semnani, Kazushi Ikeda, Weiyan Shi, Monica S. Lam
2023	J	`jnl`	A 28GHz High-Accuracy Phase and Amplitude Detection Circuit for Dual-Polarized Phased-Array Calibration. IEICE Trans. Electron. Yudai Yamazaki, Joshua Alvin, Jian Pang, Atsushi Shirane, Kenichi Okada
2023	J	`jnl`	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. IEEE J. Solid State Circuits Yudai Yamazaki, Jun Sakamaki, Jian Pang, Joshua Alvin, Zheng Li, Dongwon You, Jill C. Mayeda, Atsushi Shirane, Kenichi Okada
2023	J	`jnl`	A 39-GHz CMOS Bidirectional Doherty Phased- Array Beamformer Using Shared-LUT DPD With Inter-Element Mismatch Compensation Technique for 5G Base Station. IEEE J. Solid State Circuits 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
2023	—	`conf`	Can a Nudge Induce Garbage Disposal Behavior? Inducement in Prosocial Behavior. BCSS@PERSUASIVE Sana Ozono, Mutsuki Ori, Kiichiro Kai, Yudai Yamazaki, Cao Lian, Yukitoshi Kashimoto, Daisuke Kamisaka, Yugo Nakamura, Yutaka Arakawa
2023	B	`conf`	Fine-Grained Urban Population Distribution Estimation Using Image Super-Resolution Model with Rich Auxiliary Information. IEEE Big Data Naoto Takeda, Akihiro Kobayashi, Yudai Yamazaki, Daisuke Kamisaka
2023	—	`conf`	First Study to Enhance Self-Determination Theory by Utilizing Social Justification. PERSUASIVE (Adjunct) Yukitoshi Kashimoto, Cao Lian, Yudai Yamazaki, Daisuke Kamisaka
2023	—	`conf`	Modeling and generating human mobility trajectories using transformer with day encoding. HuMob-Challenge@SIGSPATIAL Akihiro Kobayashi, Naoto Takeda, Yudai Yamazaki, Daisuke Kamisaka
2023	J	`jnl`	Pupil dynamics during very light exercise predict benefits to prefrontal cognition. NeuroImage Ryuta Kuwamizu, Yudai Yamazaki, Naoki Aoike, Taichi Hiraga, Toshiaki Hata, Michael A. Yassa, Hideaki Soya
2022	—	`conf`	A 1.8-67GHz Divide-by-4 ILFD Using Area-Efficient Transformer-Based Injection-Enhancing Technique. ESSCIRC Yudai Yamazaki, Jian Pang, Atsushi Shirane, Kenichi Okada
2022	—	`conf`	A 39-GHz CMOS Bi-Directional Doherty Phased-Array Beamformer Using Shared-LUT DPD with Inter-Element Mismatch Compensation Technique for 5G Base-Station. VLSI Technology and Circuits 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
2021	—	`conf`	A 39GHz Divide-by-8 LC-Ring ILFD Designed for 5G New Radio n260 Band. ICTA Yudai Yamazaki, Joshua Alvin, Jian Pang, Atsushi Shirane, Kenichi Okada
2021	—	`conf`	Channel Allocation for LoRaWanConsidering Intra-System and Inter-System Interferences. VTC Fall Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
2021	—	`conf`	Wireless System Selection with Spectrum Database for IoT. ICOIN Soraya Mitate, Yudai Yamazaki, Takeo Fujii, Shusuke Narieda
2020	—	`conf`	Scheduling Algorithm Considering Interference Interval for LPWA. APSIPA Yudai Yamazaki, Takeo Fujii
2019	—	`conf`	Spectrum Sharing Exploiting Spectrum Database for LPWA. ICUFN Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi