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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
171*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
962019
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
782017
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
682020
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
562018
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
442019
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
422017
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
372021
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
302021
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
262018
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
232021
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
182020
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
152022
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
122022
Fresnel zone based theories for contactless sensing
D Zhang, F Zhang, D Wu, J Xiong, K Niu
Contactless Human Activity Analysis, 145-164, 2021
122021
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
82022
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
72017
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
42020
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
32021
A contactless gesture interaction system using LTE (4G) signals
W Chen, K Niu, D Wu, D Zhao, L Wang, D Zhang
In Adjunct Proceedings of the 2019 ACM International Joint Conference on …, 2019
22019
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