J.C.-I. Chuang

National Institute of Standards and Technology, Communications Technology Laboratory

Papers

Total Citations

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About

J.C.-I. Chuang is a leading researcher in wireless communications, specializing in millimeter-wave (mmWave) channel characterization for 5G and beyond. Their major contributions center on developing advanced channel sounding techniques and understanding propagation behavior at 60 GHz—a critical frequency band for high-capacity mobile networks. Chuang’s most cited work, "Omnidirectional Channel Sounder With Phased-Array Antennas for 5G Mobile Communications" (2019, 34 citations), introduced a novel 60-GHz sounder with 1-GHz bandwidth and electronically steerable beams, enabling precise estimation of angle of departure/arrival for multipath components. This foundational tool has advanced mmWave channel modeling. Their follow-up study, "Penetration Loss at 60 GHz for Indoor-to-Indoor and Outdoor-to-Indoor Mobile Scenarios" (2020, 15 citations), provided critical empirical data on building penetration losses, directly informing deployment strategies for 5G small cells. More recently, Chuang has pioneered digital-twin-assisted clustering of radio frequency multipath components (2025), merging RF measurements with geometric environmental models to overcome limitations of blind clustering methods. This innovative approach promises more accurate, physically meaningful channel models. With a growing citation impact and a trajectory from hardware design to data-driven modeling, Chuang’s work is essential for students and researchers seeking to understand real-world mmWave propagation and build smarter, more reliable wireless systems.