K. J. Ray Liu

ORCID

Publication Activity (10 Years)

Years Active: 1990-2024
Publications (10 Years): 155

Top Venues

IEEE Internet Things J.

ICASSP

GlobalSIP

IEEE Trans. Wirel. Commun.

Publications

Sakila S. Jayaweera, Sai Deepika Regani, Yuqian Hu, Beibei Wang, K. J. Ray Liu
mmID: High-Resolution mmWave Imaging for Human Identification. CoRR (2024)
Wei-Hsiang Wang, Xiaolu Zeng, Beibei Wang, Yexin Cao, K. J. Ray Liu
Improved Wifi-Based Respiration Tracking via Contrast Enhancement. ICASSP (2023)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, K. J. Ray Liu
RadioMic: Sound Sensing via Radio Signals. IEEE Internet Things J. 10 (5) (2023)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, Min Wu, K. J. Ray Liu
RadioSES: mmWave-Based Audioradio Speech Enhancement and Separation System. IEEE ACM Trans. Audio Speech Lang. Process. 31 (2023)
Guozhen Zhu, Chenshu Wu, Beibei Wang, K. J. Ray Liu
EZMap: Boosting Automatic Floor Plan Construction With High-Precision Robotic Tracking. IEEE Internet Things J. 10 (8, April 15) (2023)
Sakila S. Jayaweera, Beibei Wang, Xiaolu Zeng, Wei-Hsiang Wang, K. J. Ray Liu
WIFI-Based Robust Child Presence Detection for Smart Cars. ICASSP (2023)
Sai Deepika Regani, Beibei Wang, Yuqian Hu, K. J. Ray Liu
GWrite: Enabling Through-the-Wall Gesture Writing Recognition Using WiFi. IEEE Internet Things J. 10 (7) (2023)
Yuqian Hu, Muhammed Zahid Ozturk, Beibei Wang, Chenshu Wu, Feng Zhang, K. J. Ray Liu
Robust Passive Proximity Detection Using Wi-Fi. IEEE Internet Things J. 10 (7) (2023)
Chenshu Wu, Beibei Wang, Oscar C. Au, K. J. Ray Liu
Wi-Fi Can Do More: Toward Ubiquitous Wireless Sensing. IEEE Commun. Stand. Mag. 6 (2) (2022)
Yusen Fan, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
RF-Based Indoor Moving Direction Estimation Using a Single Access Point. IEEE Internet Things J. 9 (1) (2022)
Xiaolu Zeng, Beibei Wang, Chenshu Wu, Sai Deepika Regani, K. J. Ray Liu
Intelligent Wi-Fi Based Child Presence Detection System. ICASSP (2022)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, Min Wu, K. J. Ray Liu
RadioSES: mmWave-Based Audioradio Speech Enhancement and Separation System. CoRR (2022)
Yuqian Hu, Beibei Wang, Chenshu Wu, K. J. Ray Liu
mmKey: Universal Virtual Keyboard Using A Single Millimeter-Wave Radio. IEEE Internet Things J. 9 (1) (2022)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, Min Wu, K. J. Ray Liu
Beyond Microphone: mmWave-Based Interference-Resilient Voice Activity Detection. IASA@MobiSys (2022)
Xiaolu Zeng, Beibei Wang, Chenshu Wu, Sai Deepika Regani, K. J. Ray Liu
WiCPD: Wireless Child Presence Detection System for Smart Cars. IEEE Internet Things J. 9 (24) (2022)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Toward mmWave-Based Sound Enhancement and Separation. ICASSP (2022)
Guozhen Zhu, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Floor Plan Reconstruction with High-Precision Rf-Based Tracking. ICASSP (2022)
Yuqian Hu, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
DeFall: Environment-Independent Passive Fall Detection Using WiFi. IEEE Internet Things J. 9 (11) (2022)
Sai Deepika Regani, Yuqian Hu, Beibei Wang, K. J. Ray Liu
Wifi-based robust indoor localization for daily activity monitoring. MWSSH@MobiCom (2022)
Fengyu Wang, Xiaolu Zeng, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Driver Vital Signs Monitoring Using Millimeter Wave Radio. IEEE Internet Things J. 9 (13) (2022)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, K. J. Ray Liu
GaitCube: Deep Data Cube Learning for Human Recognition With Millimeter-Wave Radio. IEEE Internet Things J. 9 (1) (2022)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Sound Recovery From Radio Signals. ICASSP (2021)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Gait-based People Identification with Millimeter-Wave Radio. WF-IoT (2021)
Fengyu Wang, Xiaolu Zeng, Chenshu Wu, Beibei Wang, K. J. Ray Liu
mmHRV: Contactless Heart Rate Variability Monitoring Using Millimeter-Wave Radio. IEEE Internet Things J. 8 (22) (2021)
Feng Zhang, Chenshu Wu, Beibei Wang, Min Wu, Daniel Bugos, Hangfang Zhang, K. J. Ray Liu
SMARS: Sleep Monitoring via Ambient Radio Signals. IEEE Trans. Mob. Comput. 20 (1) (2021)
Sai Deepika Regani, Chenshu Wu, Beibei Wang, Min Wu, K. J. Ray Liu
mmWrite: Passive Handwriting Tracking Using a Single Millimeter-Wave Radio. IEEE Internet Things J. 8 (17) (2021)
Xiaolu Zeng, Feng Zhang, Beibei Wang, K. J. Ray Liu
High Accuracy Tracking of Targets Using Massive MIMO. ICASSP (2021)
Fengyu Wang, Xiaolu Zeng, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Radio Frequency Based Heart Rate Variability Monitoring. ICASSP (2021)
Muhammed Zahid Ozturk, Chenshu Wu, Beibei Wang, K. J. Ray Liu
RadioMic: Sound Sensing via mmWave Signals. CoRR (2021)
Yuqian Hu, Beibei Wang, Chenshu Wu, K. J. Ray Liu
Universal Virtual Keyboard using 60 GHz mmWave Radar. WF-IoT (2021)
Fengyu Wang, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
ViMo: Multiperson Vital Sign Monitoring Using Commodity Millimeter-Wave Radio. IEEE Internet Things J. 8 (3) (2021)
Xuanyu Cao, K. J. Ray Liu
Distributed Newton's Method for Network Cost Minimization. IEEE Trans. Autom. Control. 66 (3) (2021)
Sai Deepika Regani, Beibei Wang, K. J. Ray Liu
Wifi-Based Device-Free Gesture Recognition Through-the-Wall. ICASSP (2021)
Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
mmEye: Super-Resolution Millimeter Wave Imaging. IEEE Internet Things J. 8 (8) (2021)
Xiaolu Zeng, Feng Zhang, Beibei Wang, K. J. Ray Liu
Massive MIMO for High-Accuracy Target Localization and Tracking. IEEE Internet Things J. 8 (12) (2021)
Chenshu Wu, Feng Zhang, Yuqian Hu, K. J. Ray Liu
GaitWay: Monitoring and Recognizing Gait Speed Through the Walls. IEEE Trans. Mob. Comput. 20 (6) (2021)
Chenshu Wu, Feng Zhang, Beibei Wang, K. J. Ray Liu
mmTrack: Passive Multi-Person Localization Using Commodity Millimeter Wave Radio. INFOCOM (2020)
Xiaolu Zeng, Beibei Wang, K. J. Ray Liu
Driver Arrival Sensing for Smart Car using WiFi Fine Time Measurements. APSIPA (2020)
Yuqian Hu, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
A WiFi-Based Passive Fall Detection System. ICASSP (2020)
Chenshu Wu, Feng Zhang, Beibei Wang, K. J. Ray Liu
mSense: Towards Mobile Material Sensing with a Single Millimeter-Wave Radio. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 4 (3) (2020)
Xiaolu Zeng, Feng Zhang, Beibei Wang, K. J. Ray Liu
Radio Frequency Based Direction Sensing Using Massive MIMO. IEEE Access 8 (2020)
Xin Liao, Kaide Li, Xinshan Zhu, K. J. Ray Liu
Robust Detection of Image Operator Chain With Two-Stream Convolutional Neural Network. IEEE J. Sel. Top. Signal Process. 14 (5) (2020)
Qinyi Xu, Beibei Wang, Feng Zhang, Sai Deepika Regani, Fengyu Wang, K. J. Ray Liu
Wireless AI in Smart Car: How Smart a Car Can Be? IEEE Access 8 (2020)
Chenshu Wu, K. J. Ray Liu
Accurate Stride Length Estimation via Fused Radio and Inertial Sensing. WF-IoT (2020)
Chenshu Wu, Feng Zhang, Beibei Wang, K. J. Ray Liu
EasiTrack: Decimeter-Level Indoor Tracking With Graph-Based Particle Filtering. IEEE Internet Things J. 7 (3) (2020)
Sai Deepika Regani, Chenshu Wu, Feng Zhang, Beibei Wang, Min Wu, K. J. Ray Liu
Handwriting Tracking using 60 GHz mmWave Radar. WF-IoT (2020)
Fengyu Wang, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
ViMo: Vital Sign Monitoring Using Commodity Millimeter Wave Radio. ICASSP (2020)
Fengyu Wang, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Respiration Tracking for People Counting and Recognition. IEEE Internet Things J. 7 (6) (2020)
Yusen Fan, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Indoor Heading Direction Estimation Using Rf Signals. ICASSP (2020)
Xuanyu Cao, K. J. Ray Liu
Dynamic Sharing Through the ADMM. IEEE Trans. Autom. Control. 65 (5) (2020)
Fengyu Wang, Feng Zhang, Chenshu Wu, Beibei Wang, K. J. Ray Liu
Passive People Counting using Commodity WiFi. WF-IoT (2020)
Sai Deepika Regani, Beibei Wang, Min Wu, K. J. Ray Liu
Time Reversal Based Robust Gesture Recognition Using Wifi. ICASSP (2020)
Chenshu Wu, Beibei Wang, K. J. Ray Liu
Large-scale decimeter-level indoor tracking using a single access point: demo abstract. SenSys (2020)
Sai Deepika Regani, Qinyi Xu, Beibei Wang, Min Wu, K. J. Ray Liu
Driver Authentication for Smart Car Using Wireless Sensing. IEEE Internet Things J. 7 (3) (2020)
Chenshu Wu, Feng Zhang, Yusen Fan, K. J. Ray Liu
RF-based inertial measurement. SIGCOMM (2019)
Sai Deepika Regani, Qinyi Xu, Beibei Wang, Min Wu, K. J. Ray Liu
In-Car Driver Authentication Using Wireless Sensing. ICASSP (2019)
Qinyi Xu, Yi Han, Beibei Wang, Min Wu, K. J. Ray Liu
Indoor Events Monitoring Using Channel State Information Time Series. IEEE Internet Things J. 6 (3) (2019)
Feng Zhang, Chenshu Wu, Beibei Wang, Hung-Quoc Lai, Yi Han, K. J. Ray Liu
WiDetect: Robust Motion Detection with a Statistical Electromagnetic Model. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 3 (3) (2019)
Xuanyu Cao, K. J. Ray Liu
Online Convex Optimization With Time-Varying Constraints and Bandit Feedback. IEEE Trans. Autom. Control. 64 (7) (2019)
Chenshu Wu, Feng Zhang, Yusen Fan, K. J. Ray Liu
RF-based Inertial Measurement. SIGCOMM Posters and Demos (2019)
Lei Xu, Chunxiao Jiang, Yan Chen, Yong Ren, K. J. Ray Liu
User Participation in Collaborative Filtering-Based Recommendation Systems: A Game Theoretic Approach. IEEE Trans. Cybern. 49 (4) (2019)
Qinyi Xu, Yi Han, Beibei Wang, Min Wu, K. J. Ray Liu
Real-Time Indoor Event Monitoring Using CSI Time Series. ICASSP (2018)
Chih-Yu Wang, Yan Chen, K. J. Ray Liu
Game-Theoretic Cross Social Media Analytic: How Yelp Ratings Affect Deal Selection on Groupon? IEEE Trans. Knowl. Data Eng. 30 (5) (2018)
Qinyi Xu, Chunxiao Jiang, Yi Han, Beibei Wang, K. J. Ray Liu
Waveforming: An Overview With Beamforming. IEEE Commun. Surv. Tutorials 20 (1) (2018)
Chih-Yu Wang, Yan Chen, K. J. Ray Liu
Game-Theoretic Cross Social Media Analytic: How Do Yelp Ratings Affect Deal Selection on Groupon? (Extended Abstract). ICDE (2018)
Hang Ma, Beibei Wang, K. J. Ray Liu
Distributed Signal Compressive Quantization and Parallel Interference Cancellation for Cloud Radio Access Network. IEEE Trans. Commun. 66 (9) (2018)
Beibei Wang, Qinyi Xu, Chen Chen, Feng Zhang, K. J. Ray Liu
The Promise of Radio Analytics: A Future Paradigm of Wireless Positioning, Tracking, and Sensing. IEEE Signal Process. Mag. 35 (3) (2018)
Xuanyu Cao, K. J. Ray Liu
An ADMM approach to dynamic sharing problems. CISS (2018)
Feng Zhang, Chen Chen, Beibei Wang, Hung-Quoc Lai, Yi Han, K. J. Ray Liu
WiBall: A Time-Reversal Focusing Ball Method for Decimeter-Accuracy Indoor Tracking. IEEE Internet Things J. 5 (5) (2018)
Hang Ma, Beibei Wang, Yan Chen, K. J. Ray Liu
Waveforming Optimizations for Time-Reversal Cloud Radio Access Networks. IEEE Trans. Commun. 66 (1) (2018)
Qinyi Xu, Zoltan Safar, Yi Han, Beibei Wang, K. J. Ray Liu
Statistical Learning Over Time-Reversal Space for Indoor Monitoring System. IEEE Internet Things J. 5 (2) (2018)
Feng Zhang, Chen Chen, Beibei Wang, Hung-Quoc Lai, Yi Han, K. J. Ray Liu
WiDetect: A Robust and Low-Complexity Wireless Motion Detector. ICASSP (2018)
Xuanyu Cao, K. J. Ray Liu
On the Time-Varying Constraints and Bandit Feedback of Online Convex Optimization. ICC (2018)
Chen Chen, Yan Chen, Yi Han, Hung-Quoc Lai, K. J. Ray Liu
High Resolution Carrier Frequency Offset Estimation in Time-Reversal Wideband Communications. IEEE Trans. Commun. 66 (5) (2018)
Chunxiao Jiang, Yan Chen, Qi Wang, K. J. Ray Liu
Data-Driven Auction Mechanism Design in IaaS Cloud Computing. IEEE Trans. Serv. Comput. 11 (5) (2018)
Qinyi Xu, Feng Zhang, Beibei Wang, K. J. Ray Liu
Time Reversal Indoor Tracking with Centimeter Accuracy. ICASSP (2018)
Xuanyu Cao, K. J. Ray Liu
Distributed Efficient Optimization for General Network Cost Minimization Problems. ICC (2018)
Xuanyu Cao, K. J. Ray Liu
Generic network cost minimization: A decentralized Newton's method. CISS (2018)
Chen Chen, Yi Han, Yan Chen, Hung-Quoc Lai, Feng Zhang, Beibei Wang, K. J. Ray Liu
TR-BREATH: Time-Reversal Breathing Rate Estimation and Detection. IEEE Trans. Biomed. Eng. 65 (3) (2018)
Feng Zhang, Chen Chen, Beibei Wang, K. J. Ray Liu
WiSpeed: A Statistical Electromagnetic Approach for Device-Free Indoor Speed Estimation. IEEE Internet Things J. 5 (3) (2018)
Xuanyu Cao, K. J. Ray Liu
Distributed Linearized ADMM for Network Cost Minimization. IEEE Trans. Signal Inf. Process. over Networks 4 (3) (2018)
Ke Xiong, Beibei Wang, Chunxiao Jiang, K. J. Ray Liu
A Broad Beamforming Approach for High-Mobility Communications. IEEE Trans. Veh. Technol. 66 (11) (2017)
Xuanyu Cao, K. J. Ray Liu
Decentralized Sparse Multitask RLS Over Networks. IEEE Trans. Signal Process. 65 (23) (2017)
Xuanyu Cao, Yan Chen, K. J. Ray Liu
Understanding Popularity Dynamics: Decision-Making With Long-Term Incentives. IEEE Trans. Signal Inf. Process. over Networks 3 (1) (2017)
Qinyi Xu, Yan Chen, Beibei Wang, K. J. Ray Liu
Time reversal based wireless events detection. ICASSP (2017)
Chih-Yu Wang, Yan Chen, K. J. Ray Liu
Hidden Chinese Restaurant Game: Grand Information Extraction for Stochastic Network Learning. IEEE Trans. Signal Inf. Process. over Networks 3 (2) (2017)
Xuanyu Cao, Yan Chen, K. J. Ray Liu
An iterative auction mechanism for data trading. ICASSP (2017)
Chen Chen, Yan Chen, Yi Han, Hung-Quoc Lai, K. J. Ray Liu
Achieving Centimeter-Accuracy Indoor Localization on WiFi Platforms: A Frequency Hopping Approach. IEEE Internet Things J. 4 (1) (2017)
Chunxiao Jiang, Beibei Wang, Yi Han, Zhung-Han Wu, K. J. Ray Liu
Spatial focusing inspired 5G spectrum sharing. ICASSP (2017)
Qinyi Xu, Yan Chen, Beibei Wang, K. J. Ray Liu
TRIEDS: Wireless Events Detection Through the Wall. IEEE Internet Things J. 4 (3) (2017)
Chen Chen, Yan Chen, Yi Han, Hung-Quoc Lai, Feng Zhang, K. J. Ray Liu
Achieving Centimeter-Accuracy Indoor Localization on WiFi Platforms: A Multi-Antenna Approach. IEEE Internet Things J. 4 (1) (2017)
Xuanyu Cao, K. J. Ray Liu
A Graphical Evolutionary Game Approach to Social Learning. IEEE Signal Process. Lett. 24 (6) (2017)
Zhung-Han Wu, Beibei Wang, Chunxiao Jiang, K. J. Ray Liu
Downlink MAC Scheduler for 5G Communications With Spatial Focusing Effects. IEEE Trans. Wirel. Commun. 16 (6) (2017)
Xuanyu Cao, Yan Chen, K. J. Ray Liu
Data Trading With Multiple Owners, Collectors, and Users: An Iterative Auction Mechanism. IEEE Trans. Signal Inf. Process. over Networks 3 (2) (2017)
Wei Li, Meng-Lin Ku, Yan Chen, K. J. Ray Liu, Shihua Zhu
Performance Analysis for Two-Way Network-Coded Dual-Relay Networks With Stochastic Energy Harvesting. IEEE Trans. Wirel. Commun. 16 (9) (2017)
Chunxiao Jiang, Beibei Wang, Yi Han, Zhung-Han Wu, K. J. Ray Liu
Exploring Spatial Focusing Effect for Spectrum Sharing and Network Association. IEEE Trans. Wirel. Commun. 16 (7) (2017)
Ke Xiong, Beibei Wang, K. J. Ray Liu
Rate-Energy Region of SWIPT for MIMO Broadcasting Under Nonlinear Energy Harvesting Model. IEEE Trans. Wirel. Commun. 16 (8) (2017)
Xuanyu Cao, K. J. Ray Liu
A Graphical Evolutionary Game Approach to Social Learning. CoRR (2017)
Meng-Lin Ku, Yi Han, Beibei Wang, K. J. Ray Liu
Joint Power Waveforming and Beamforming for Wireless Power Transfer. IEEE Trans. Signal Process. 65 (24) (2017)
Feng Zhang, Chen Chen, Beibei Wang, Hung-Quoc Lai, K. J. Ray Liu
A time-reversal spatial hardening effect for indoor speed estimation. ICASSP (2017)

K. J. Ray Liu.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

K. J. Ray Liu