Search Results - "Hui, Xiaonan"

Mode Division Multiplexing Communication Using Microwave Orbital Angular Momentum: An Experimental Study by Zhang, Weite, Zheng, Shilie, Hui, Xiaonan, Dong, Ruofan, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin

“…Mode division multiplexing (MDM) using orbital angular momentum (OAM) is a recently developed physical layer transmission technique, which has obtained…”
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Transmission Characteristics of a Twisted Radio Wave Based on Circular Traveling-Wave Antenna by Zheng, Shilie, Hui, Xiaonan, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin

“…A traveling-wave circular loop antenna with its phase distribution along the circle of lφ is demonstrated to generate the twisted radio wave. Theoretical…”
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Ultralow Reflectivity Spiral Phase Plate for Generation of Millimeter-wave OAM Beam by Hui, Xiaonan, Zheng, Shilie, Hu, Yiping, Xu, Chen, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin

“…An ultralow reflectivity spiral phase plate (SPP) is proposed to generate an orbital angular momentum (OAM) beam at millimeter-wave frequency. The SPP is…”
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Wearable radio-frequency sensing of respiratory rate, respiratory volume, and heart rate by Sharma, Pragya, Hui, Xiaonan, Zhou, Jianlin, Conroy, Thomas B., Kan, Edwin C.

“…Many health diagnostic systems demand noninvasive sensing of respiratory rate, respiratory volume, and heart rate with high user comfort. Previous methods…”
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A Flat-Lensed Spiral Phase Plate Based on Phase-Shifting Surface for Generation of Millimeter-Wave OAM Beam by Chen, Yiling, Zheng, Shilie, Li, Yue, Hui, Xiaonan, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin

“…A multilayer phase-shifting-surface-based flat plate is designed to offer a combination of lens and spiral phase plate (SPP) for orbital angular momentum (OAM)…”
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Four-OAM-Mode Antenna With Traveling-Wave Ring-Slot Structure by Zhang, Weite, Zheng, Shilie, Hui, Xiaonan, Chen, Yiling, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin

“…Based on metallic traveling-wave ring-slot structure, an easily realized four-orbital angular momentum (OAM)-mode antenna capable of generating four coaxially…”
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Microwave Stethoscope for Heart Sound by Near-Field Coherent Sensing by Xiaonan Hui, Sharma, Pragya, Kan, Edwin C.

“…Heart sound at the S1 and S2 points in the cardiogram provides important diagnostic information for cardiovascular disorders. The century-old acoustic…”
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Attention Detection by Heartbeat and Respiratory Features from Radio-Frequency Sensor by Sharma, Pragya, Zhang, Zijing, Conroy, Thomas B, Hui, Xiaonan, Kan, Edwin C

“…This work presents a study on users’ attention detection with reference to a relaxed inattentive state using an over-the-clothes radio-frequency (RF) sensor…”
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Hilbert-Huang Transform Time-Frequency Analysis in \phi -OTDR Distributed Sensor by Hui, Xiaonan, Zheng, Shilie, Zhou, Jinhai, Chi, Hao, Jin, Xiaofeng, Zhang, Xianmin

“…Time-frequency analysis is a practical method to analyze the characteristics of vibration signals. We introduce the Hilbert-Huang transform (HHT) to the…”
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Model-Driven Channel Estimation for MIMO Monostatic Backscatter System With Deep Unfolding by Zhou, Yulin, Li, Xiaoting, Zhang, Xianmin, Hui, Xiaonan, Chen, Yunfei

“…Monostatic backscatter has garnered significant interest due to its distinct benefits in low-cost passive sensing. Observing and sensing with backscatter…”
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Multi-Point Near-Field RF Sensing of Blood Pressures and Heartbeat Dynamics by Hui, Xiaonan, Conroy, Thomas B., Kan, Edwin C.

“…Systolic and diastolic blood pressure estimation using arm-cuff monitors is one of the most common cardiovascular evaluation criteria in healthcare today,…”
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A Non-Uniform Travelling-Wave Current Source Model for Designing OAM Antenna: Theory, Analysis and Application by Zhu, Zelin, Zheng, Shilie, Xiong, Xiaowen, Chen, Yuqi, Hui, Xiaonan, Jin, Xiaofeng, Yu, Xianbin, Zhang, Xianmin

“…Orbital angular momentum (OAM) has become a research hotspot in radar, communication, and other fields because of its spatial spiral phase distribution in…”
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Walking through a 500-million-year geologic history of Yunnan, China: A scientific expedition under the STEM framework by Hongbo Zheng, Xiaonan Hui, Yan Zhou, Wanshu Yang, Qing Yang

“…In light of the current situation of STEM education in China, as well as in meeting the need for international education (students studying abroad), Yunnan Key…”
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Harmonic-WISP: A passive broadband harmonic RFID platform by Yunfei Ma, Xiaonan Hui, Kan, Edwin C.

“…In conventional passive radio frequency identification (RFID) systems, downlink (reader to tag) and uplink (tag to reader) overlap on the same carrier…”
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Kirigami-Triggered Spoof Plasmonic Interconnects for Radiofrequency Elastronics by Yao, Xincheng, Li, Min, He, Shuchang, Jing, Liqiao, Li, Chenming, Tao, Jie, Hui, Xiaonan, Gao, Fei, Song, Jizhou, Chen, Hongsheng, Wang, Zuojia

“…The flexible and conformal interconnects for electronic systems as a potential signal transmission device have great prospects in body-worn or wearable…”
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Monitoring vital signs over multiplexed radio by near-field coherent sensing by Hui, Xiaonan, Kan, Edwin C.

“…Monitoring the heart rate, blood pressure, respiration rate and breath effort of a patient is critical to managing their care, but current approaches are…”
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Electromagnetic Effective Coupling and High Spatial Resolution Theory in Near-Field Cardiac Sensing by Li, Chenming, Zheng, Shilie, Hui, Xiaonan, Zhang, Xianmin

“…Noncontact vital signs detecting in medical and healthcare applications have been widely recognized. However, due to the limited penetration depth into the…”
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Multiplexed Millimeter Wave Communication with Dual Orbital Angular Momentum (OAM) Mode Antennas by Hui, Xiaonan, Zheng, Shilie, Chen, Yiling, Hu, Yiping, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin

“…Communications using the orbital angular momentum (OAM) of radio waves have attracted much attention in recent years. In this paper, a novel millimeter-wave…”
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Thermoelectric air conditioning undergarment for personal thermal management and HVAC energy saving by Lou, Lun, Shou, Dahua, Park, Huiju, Zhao, Dongliang, Wu, Yuen Shing, Hui, Xiaonan, Yang, Ronggui, Kan, Edwin Chihchuan, Fan, Jintu

“…•Lightweight thermoregulatory garment for thermal comfort and HVAC energy saving.•Expanding indoor neutral band by personal thermoelectric air cooling or…”
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Radio ranging with ultrahigh resolution using a harmonic radio-frequency identification system by Hui, Xiaonan, Kan, Edwin C.

“…The accurate sensing of the location of specific objects in an indoor setting is critical for applications including robotic feedback control and non-intrusive…”
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