RSS bias compensation in BLE beacon based positioning system. - Hyuckjin Choi; Heetae Jin; Suk Chan Kim (ICUFN, 2017)

Fishing activity sensing and visualization system using sensor-equipped fishing rod: demo abstract. - Shuichi Fukuda; Hyuckjin Choi; Yuki Matsuda 001; Keiichi Yasumoto (SenSys, 2020)

Downlink Extrapolation for FDD Multiple Antenna Systems Through Neural Network Using Extracted Uplink Path Gains. - Hyuckjin Choi; Junil Choi (IEEE Access, 2020)

Non-contact Person Identification by Piezoelectric-Based Gait Vibration Sensing. - Keisuke Umakoshi; Tomokazu Matsui; Makoto Yoshida; Hyuckjin Choi; Manato Fujimoto; Hirohiko Suwa; Keiichi Yasumoto (AINA (1), 2021)

Downlink Channel Reconstruction for Massive MIMO Spatial Multiplexing. - Hyeongtaek Lee; Hyuckjin Choi; Hwanjin Kim; Sucheol Kim; Junil Choi (ICC, 2021)

Simultaneous Crowd Counting and Localization by WiFi CSI. - Hyuckjin Choi; Tomokazu Matsui; Manato Fujimoto; Keiichi Yasumoto (ICDCN, 2021)

Non-Contact In-Home Activity Recognition System Utilizing Doppler Sensors. - Shinya Misaki; Keisuke Umakoshi; Tomokazu Matsui; Hyuckjin Choi; Manato Fujimoto; Keiichi Yasumoto (ICDCN (Adjunct Volume), 2021)

Analysis on Nursing Care Activity Related Stress Level for Reduction of Caregiving Workload. - Atsushi Miyaji; Tomokazu Matsui; Zhihua Zhang 002; Hyuckjin Choi; Manato Fujimoto; Keiichi Yasumoto (ICPP Workshops, 2021)

Simultaneous Crowd Estimation in Counting and Localization Using WiFi CSI. - Hyuckjin Choi; Tomokazu Matsui; Shinya Misaki; Atsushi Miyaji; Manato Fujimoto; Keiichi Yasumoto (IPIN, 2021)

Downlink Channel Reconstruction for Spatial Multiplexing in Massive MIMO Systems. - Hyeongtaek Lee; Hyuckjin Choi; Hwanjin Kim; Sucheol Kim; Chulhee Jang; Yongyun Choi; Junil Choi (IEEE Trans. Wirel. Commun., 2021)

Wi-CaL: WiFi Sensing and Machine Learning Based Device-Free Crowd Counting and Localization. - Hyuckjin Choi; Manato Fujimoto; Tomokazu Matsui; Shinya Misaki; Keiichi Yasumoto (IEEE Access, 2022)

Exploiting Gold Nanoparticles for Secure Visible Light Communications. - Geonho Han; Hyuckjin Choi; Ryeongmyeong Kim; Kitae Nam; Junil Choi (CoRR, 2022)

Tracking On-Desk Gestures Based on Wi-Fi CSI on Low-Cost Microcontroller. - Marwa R. M. Bastwesy; Hyuckjin Choi; Yutaka Arakawa (ICMU, 2023)

Design and Implementation of Nodding Recognition System Based on Chair Sway. - Toshiki Hayashida; Yugo Nakamura; Hyuckjin Choi; Yutaka Arakawa (ICMU, 2023)

Investigation on Deployment Pattern of Wi-Fi Transceivers for CSI-Based Indoor Localization and Activity Recognition. - Kiichiro Kai; Hyuckjin Choi; Yutaka Arakawa (ICMU, 2023)

WatchLogger: Keyboard Typing Words Recognition Based on Smartwatch. - Gangkai Li; Yutaka Arakawa; Yugo Nakamura; Hyuckjin Choi; Shogo Fukushima; Wei Wang 375 (ICMU, 2023)

Counting Nods from Chair Rocking. - Toshiki Hayashida; Yugo Nakamura; Hyuckjin Choi; Yutaka Arakawa (IoT, 2023)

Wi-Nod: Head Nodding Recognition by Wi-Fi CSI Toward Communicative Support for Quadriplegics. - Marwa R. M. Bastwesy; Kiichiro Kai; Hyuckjin Choi; Shigemi Ishida; Yutaka Arakawa (WCNC, 2023)

HeMoFi4Q: Morse Communication Based on Wi-Fi and Head Motion for Quadriplegia With Environmental Robustness. - Marwa R. M. Bastwesy; Hyuckjin Choi; Yutaka Arakawa (IEEE Access, 2023)

WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments. - Hyuckjin Choi; Jaeky Oh; Jaehoon Chung; George C. Alexandropoulos; Junil Choi (IEEE Access, 2023)

Corrections to "WiThRay: A Versatile Ray-Tracing Simulator for Smart Wireless Environments". - Hyuckjin Choi; Jaeky Oh; Jaehoon Chung; George C. Alexandropoulos; Junil Choi (IEEE Access, 2023)

Location-Independent Doppler Sensing System for Device-Free Daily Living Activity Recognition. - Shinya Misaki; Makoto Yoshida; Hyuckjin Choi; Tomokazu Matsui; Manato Fujimoto; Keiichi Yasumoto (IEEE Access, 2023)

A Deep Reinforcement Learning Approach for Autonomous Reconfigurable Intelligent Surfaces. - Hyuckjin Choi; Ly Van Nguyen; Junil Choi; A. Lee Swindlehurst (ICC Workshops, 2024)

Design and Implementation of Persuasive Public Wi-Fi to Derive Prosocial Network Usage. - Naoki Eguchi; Hyuckjin Choi; Yugo Nakamura; Shogo Fukushima; Yutaka Arakawa (ICOIN, 2024)

Poster: Desk Activity Recognition Using On-desk Low-cost WiFi Transceiver. - Hyuckjin Choi; Yugo Nakamura; Shogo Fukushima; Yutaka Arakawa (MobiSys, 2024)

Poster: Annotation Assist System Using Backscatter Tags for WiFi CSI-based Indoor Activity Recognition. - Kiichiro Kai; Hyuckjin Choi; Yugo Nakamura; Yutaka Arakawa (MobiSys, 2024)

Privacy-aware Quantitative Measurement of Psychological State in Meetings based on Non-verbal Cues. - Toshiki Hayashida; Yugo Nakamura; Hyuckjin Choi; Yutaka Arakawa (PerCom Workshops, 2024)

Bilatangulation: A Novel Measurement Error Compensation Method for Wi-Fi Indoor Positioning With Two Anchors. - Chang-Hong Lee; Hyuckjin Choi; Yutaka Arakawa; Dong-Hyun Kim 011; Jong-Deok Kim (IEEE Access, 2024)

On the physical layer security of visible light communications empowered by gold nanoparticles. - Geonho Han; Hyuckjin Choi; Ryeongmyeong Kim; Kitae Nam; Junil Choi; Theodoros A. Tsiftsis (J. Opt. Commun. Netw., 2024)

WMMSE-Based Rate Maximization for RIS-Assisted MU-MIMO Systems. - Hyuckjin Choi; A. Lee Swindlehurst; Junil Choi (IEEE Trans. Commun., 2024)

WiADL: Efficient WiFi CSI-Based ADL Recognition with WiFi Backscatter-Based Pseudo-Labeling. - Kiichiro Kai; Hyuckjin Choi; Yugo Nakamura; Yutaka Arakawa (AINA (1), 2025)

Generating Sensory Vocabulary Cues for Describing Scents in Olfactory-Enhanced Second Language Vocabulary Learning. - Yudai Honda; Kenta Tanizawa; Katsutoshi Masai; Yugo Nakamura; Hyuckjin Choi; Shogo Fukushima (HCI (43), 2025)

ChAerial: Chair-Type Aerial Display for Enhancing Face-to-Face Communication with Face-Anchored Comic Effects. - Toshiki Mori; Yoshiki Furuya; Hyuckjin Choi; Yugo Nakamura; Ari Hautasaari; Shogo Fukushima (HCI (61), 2025)

Air-Puff Eyewear System for Blink Monitoring and Reflexive Blink Induction to Improve Dry Eye. - Toshiki Mori; Katsutoshi Masai; Hyuckjin Choi; Yugo Nakamura; Yutaka Arakawa; Shogo Fukushima; Tsunenori Mine (HCI (38), 2025)

Analysis of Laughter Breathing Movements and the Effectiveness of Breathing Guidance Methods for Laughter Facilitation. - Hiromasa Tanaka; Katsutoshi Masai; Hyuckjin Choi; Yugo Nakamura; Tsunenori Mine; Yutaka Arakawa; Shogo Fukushima (HCI (64), 2025)

Supple and Graspable XR Controller for Providing a Realistic Hand-Holding Sensation. - Kenta Tanizawa; Kiichiro Kai; Katsutoshi Masai; Tsunenori Mine; Yutaka Arakawa; Hyuckjin Choi; Shogo Fukushima (HCI (10), 2025)

Anomaly Detection-Based UE-Centric Inter-Cell Interference Suppression. - Kwonyeol Park; Hyuckjin Choi; Beomsoo Ko; Minje Kim; Gyoseung Lee; Daecheol Kwon; Hyunjae Park; Byungseung Kim; Min-Ho Shin; Junil Choi (IEEE Open J. Commun. Soc., 2025)