ABOUT Widar

Sensing in a wireless, sensorless, contactless style.


Data Set Overview

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Body-coordinate Velocity Profile
A domain-independent feature

Domain-1
orientation #1
position #1
environment #1
 CSI_domain1 DFS_domain1 BVP_domain1
CSI in Domain-1 DFS in Domain-1 BVP in Domain-1
Domain-2
orientation #2
position #2
environment #2
 CSI_domain2 DFS_domain2 BVP_domain2
CSI in Domain-2 DFS in Domain-2 BVP in Domain-2

BVP VISUALIZATION

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News

  • [2024/4] Our paper RF-Diffusion got accepted by ACM MobiCom 2024, which is the first generative diffusion model for RF signal, and has been awarded all four badges in Artifact Evaluation!
  • [2022/12] Our paper SLNet on complex-valued spectrogram learning network got accepted by USENIX NSDI 2023!
  • [2022/03] Our paper Wi-Drone on wireless-based 6-DoF tracking got accepted by ACM MobiSys 2022!
  • [2021/8] Extended version of Widar3.0 got accepted by IEEE TPAMI (IF: 16.39)!
  • [2021/5] Deep learning-based gesture recognition model is available in Widar3 dataset! Stay tuned.
  • [2021/3] Gait recognition dataset is available in Widar3 dataset! Stay tuned.
  • [2021/2] Extended version of GaitID: GaitSense got accepted by ACM TOSN!
  • [2021/1] Our dataset is available on IEEE DataPort!
  • [2020/7] Our paper GaitID on human gait recognition got accepted by Springer WASA 2020!
  • [2019/4] Our paper Widar3.0 on human gesture recognition got accepted by ACM MobiSys 2019!
  • ......

Data and code download links:


>> IEEE DataPort
>> Tsinghua Disk
>> Baidu Disk  (password: 4m47)
>> FTP (FileZilla client recommended): 166.111.80.127:40121 (username: widarftp, password: widar2019)

PUBLICATIONS

  1. Guoxuan Chi, Zheng Yang, Chenshu Wu, Jingao Xu, Yuchong Gao, Yunhao Liu, Tony Xiao Han "RF-Diffusion: Radio Signal Generation via Time-Frequency Diffusion", ACM MobiCom, 2024. [PDF]
  2. Zheng Yang, Yi Zhang, Kun Qian, Chenshu Wu "SLNet: A Spectrogram Learning Neural Network for Deep Wireless Sensing", USENIX NSDI, 2023. [PDF]
  3. Guoxuan Chi, Zheng Yang, Jingao Xu, Chenshu Wu, Jialin Zhang, Jianzhe Liang, Yunhao Liu "Wi-Drone: Wi-Fi-based 6-DoF Tracking for Indoor Drone Flight Control", ACM MobiSys, 2022. [PDF]
  4. Yi Zhang*, Yue Zheng*, Kun Qian, Guidong Zhang, Yunhao Liu, Chenshu Wu, Zheng Yang "Widar3.0: Zero-Effort Cross-Domain Gesture Recognition With Wi-Fi", IEEE TPAMI, 2021. (IF: 16.39). (*: co-first authors) [PDF]
  5. Yi Zhang, Yue Zheng, Guidong Zhang, Kun Qian, Chen Qian, Zheng Yang "GaitSense: Towards Ubiquitous Gait-Based Human Identification with Wi-Fi", ACM TOSN, 2021. [PDF]
  6. Yi Zhang, Yue Zheng, Guidong Zhang, Kun Qian, Chen Qian, Zheng Yang "GaitID: Robust Wi-Fi Based Gait Recognition", Springer WASA, 2020. [PDF]
  7. Yue Zheng*, Yi Zhang*, Kun Qian, Guidong Zhang, Yunhao Liu, Chenshu Wu, Zheng Yang "Zero-Effort Cross-Domain Gesture Recognition With Wi-Fi", ACM MobiSys, 2019. (*: co-first authors) (Widar3.0 primary work) [PDF]
  8. Kun Qian, Chenshu Wu, Yi Zhang, Guidong Zhang, Zheng Yang, Yunhao Liu, "Widar2.0: Passive Human Tracking with a Single Wi-Fi Link", ACM MobiSys, 2018. [PDF]
  9. Kun Qian, Chenshu Wu, Zheng Yang, Yunhao Liu, Kyle Jamieson, "Widar: Decimeter-Level Passive Tracking via Velocity Monitoring with Commodity Wi-Fi", ACM MobiHoc, Chennai, India, July 10-14, 2017. [PDF]
  10. Kun Qian, Chenshu Wu, Zimu Zhou, Yue Zheng, Zheng Yang, Yunhao Liu, "Inferring Motion Direction using Commodity Wi-Fi for Interactive Exergames" , ACM CHI, Denver, USA, May 6-11, 2017. (Best Paper Honorable Mention Award) [PDF]
  11. Zheng Yang, Zimu Zhou, Yunhao Liu, "From RSSI to CSI: Indoor Localization via Channel Response" , ACM Computing Surveys, 2013. [PDF]

CONTACT US

Members

Faculty
Student
    Chenshu Wu,  Kun Qian,  Yue Zheng,  Yi Zhang,  Guidong Zhang,  Fan Dang,  Guoxuan Chi 

Platform


Email

  • Prof. Zheng Yang: hmilyyz[AT]gmail[DOT]com