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Kai Niu
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From Fresnel Diffraction Model to Fine-Grained Human Respiration Sensing with Commodity Wi-Fi Devices
Fusang Zhang, Daqing Zhang, Jie Xiong, Hao Wang, Kai Niu, Beihong Jin ...
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2018
200*2018
Towards a Diffraction-based Sensing Approach on Human Activity Recognition
F Zhang, K Niu, J Xiong, B Jin, T Gu, Y Jiang, D Zhang
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2019
1342019
Exploring lora for long-range through-wall sensing
F Zhang, Z Chang, K Niu, J Xiong, B Jin, Q Lv, D Zhang
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2020
1142020
MFDL: A multicarrier Fresnel penetration model based device-free localization system leveraging commodity Wi-Fi cards
H Wang, D Zhang, K Niu, Q Lv, Y Liu, D Wu, R Gao, B Xie
arXiv preprint arXiv:1707.07514, 2017
902017
WiFi-sleep: Sleep stage monitoring using commodity Wi-Fi devices
B Yu, Y Wang, K Niu, Y Zeng, T Gu, L Wang, C Guan, D Zhang
IEEE internet of things journal 8 (18), 13900-13913, 2021
772021
WiMorse: A Contactless Morse Code Text Input System using Ambient WiFi Signals
K Niu, F Zhang, Y Jiang, J Xiong, Q Lv, Y Zeng, D Zhang
IEEE Internet of Things Journal, 1 - 1, 2019
682019
Boosting fine-grained activity sensing by embracing wireless multipath effects
K Niu, F Zhang, J Xiong, X Li, E Yi, D Zhang
Proceedings of the 14th International Conference on emerging Networking …, 2018
682018
Unlocking the beamforming potential of lora for long-range multi-target respiration sensing
F Zhang, Z Chang, J Xiong, R Zheng, J Ma, K Niu, B Jin, D Zhang
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2021
572021
Understanding WiFi signal frequency features for position-independent gesture sensing
K Niu, F Zhang, X Wang, Q Lv, H Luo, D Zhang
IEEE Transactions on Mobile Computing 21 (11), 4156-4171, 2021
572021
Ar-alarm: An adaptive and robust intrusion detection system leveraging csi from commodity wi-fi
S Li, X Li, K Niu, H Wang, Y Zhang, D Zhang
Enhanced Quality of Life and Smart Living: 15th International Conference …, 2017
562017
Placement matters: Understanding the effects of device placement for WiFi sensing
X Wang, K Niu, J Xiong, B Qian, Z Yao, T Lou, D Zhang
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2022
542022
Rethinking Doppler effect for accurate velocity estimation with commodity WiFi devices
K Niu, X Wang, F Zhang, R Zheng, Z Yao, D Zhang
IEEE Journal on Selected Areas in Communications 40 (7), 2164-2178, 2022
412022
A fresnel diffraction model based human respiration detection system using COTS Wi-Fi devices
K Niu, F Zhang, Z Chang, D Zhang
Proceedings of the 2018 ACM international joint conference and 2018 …, 2018
362018
Practical issues and challenges in CSI-based integrated sensing and communication
D Zhang, D Wu, K Niu, X Wang, F Zhang, J Yao, D Jiang, F Qin
2022 IEEE International Conference on Communications Workshops (ICC …, 2022
302022
Robust dynamic hand gesture interaction using LTE terminals
W Chen, K Niu, D Zhao, R Zheng, D Wu, W Wang, L Wang, D Zhang
2020 19th ACM/IEEE International Conference on Information Processing in …, 2020
252020
Fresnel zone based theories for contactless sensing
D Zhang, F Zhang, D Wu, J Xiong, K Niu
Contactless Human Activity Analysis, 145-164, 2021
222021
A model based decimeter-scale device-free localization system using COTS wi-fi devices
Ruiyang Gao, Hao Wang, Dan Wu, Kai Niu, Enze Yi, Daqing Zhang
Proceedings of the 2017 ACM International Joint Conference on Pervasive and …, 2017
82017
Location independent vital sign monitoring and gesture recognition using Wi-Fi
D Zhang, K Niu, J Xiong, F Zhang, S Li
Contactless Human Activity Analysis, 185-202, 2021
72021
WiMeasure: Millimeter-level Object Size Measurement with Commodity WiFi Devices
X Wang, K Niu, A Yu, J Xiong, Z Yao, J Wang, W Li, D Zhang
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2023
62023
Acousticthermo: Temperature monitoring using acoustic pulse signal
F Zhang, K Niu, X Fu, B Jin
2020 16th International Conference on Mobility, Sensing and Networking (MSN …, 2020
62020
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