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Conference Publications (* equal contribution)
[C12] Context Learning for Multi-Agent Discussion
Xingyuan Hua, 
Sheng Yue, 
Xinyi Li, 
Yizhe Zhao, 
Jinrui Zhang, 
and
Ju Ren, 
International Conference on Learning Representations (ICLR)
ICLR , Rio de Janeiro, Brazil, 23-27 April, 2026.
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[C11] MetAegis: Defend Against Physical-Layer Wireless Sensing Leakage via Metasurface Obfuscation
Jinjiang Yang, 
Chenghan Jiang, 
Jie Zhang, 
Xinyi Li, 
Boxuan Yang, 
Shibo Zhang, 
Xianjia Meng, 
Zhuzhu Wang, 
Dingyi Fang, 
and
Zhanyong Tang, 
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
ACM UbiComp
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[C9] Attacking mmWave Imaging Using Metasurfaces Based on Intensity and Time-of-Flight Manipulation
Shuning Wang, 
Hao Pan, 
Yongjian Fu, 
Xinyi Li, 
Linghui Zhong, 
Yaxiong Xie, 
Ke Sun, 
Guangtao Xue, 
Yaoxue Zhang, 
and
Ju Ren, 
In Proceedings of the 32nd Annual International Conference on Mobile Computing and Networking
ACM MobiCom 2026 , Nov 2026
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[C8] Unlocking Practical Cardiac Monitoring Capabilities on True Wireless Stereo Earbuds
Yongjian Fu, 
Ke Sun, 
Xinyu Zhang, 
Ruyao Wang, 
Xinyi Li, 
Hao Pan, 
Yaoxue Zhang, 
and
Ju Ren, 
TIn Proceedings of the 32nd Annual International Conference on Mobile Computing and Networking
ACM MobiCom 2026 , Nov 2026
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[C7] MetaGen: LLM-Driven Generative Framework for Intelligent Metasurface Element
Yizhe Zhao, 
Lili Chen, 
Xinyi Li, 
Yue-Jiang Dong, 
Ju Ren, 
and
Yaoxue Zhang
The 23rd ACM International Conference on Mobile Systems, Applications, and Services
ACM MobiSys 2025 , June 23 - 27, 2025, Anaheim, California, US
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[C6] Unveiling Contactless Sensing with LiDAR Mobility
Junying Hu, 
Yongjian Fu, 
Lili Chen, 
Xinyi Li, 
Xue Sun, 
Ju Ren, 
and
Yaoxue Zhang
IEEE UIC 2024
Best Paper Award , Denarau Island, Fiji, December 2024
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@inproceedings{hu2024unveiling,
title={Unveiling Contactless Sensing with LiDAR Mobility},
author={Hu, Junying and Fu, Yongjian and Chen, Lili and Li, Xinyi and Sun, Xue and Ren, Ju and Zhang, Yaoxue},
booktitle={2024 IEEE Smart World Congress (SWC)},
pages={487--494},
year={2024},
organization={IEEE}
}
}
[C5] RISiren: Wireless Sensing System Attacks via Metasurface
Chenghan Jiang, 
Jinjiang Yang, 
Xinyi Li, 
Qi Li, 
Xinyu Zhang, 
and Ju Ren
The 31th ACM Conference on Computer and Communications Security (CCS)
ACM CCS 2024, Salt Lake City, USA, October 2024
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@inproceedings{jiang2024risiren,
title={RISiren: Wireless Sensing System Attacks via Metasurface},
author={Jiang, Chenghan and Yang, Jinjiang and Li, Xinyi and Li, Qi and Zhang, Xinyu and Ren, Ju},
booktitle={Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications Security},
pages={3332--3345},
year={2024}
}
}
[C4] RFMagus: Programming the Radio Environment With Networked Metasurfaces
Xinyi Li, 
Gaoteng Zhao, 
Ling Chen, 
Xinyu Zhang, 
and Ju Ren
Proceedings of the 30th Annual International Conference On Mobile Computing And Networking
ACM Mobicom 2024, Washington, USA, September 2024, AR=103/494
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@inproceedings{li2024rfmagus,
title={RFMagus: Programming the Radio Environment With Networked Metasurfaces},
author={Li, Xinyi and Zhao, Gaoteng and Chen, Ling and Zhang, Xinyu and Ren, Ju},
booktitle={Proceedings of the 30th Annual International Conference on Mobile Computing and Networking},
pages={16--30},
year={2024}
}
}
[C3] RF-Bouncer: A Programmable Dual-band Metasurface for Sub-6 Wireless Networks
Xinyi Li*, 
Chao Feng*, 
Xiaojing Wang, 
Yangfan Zhang, 
Yaxiong Xie, 
and Xiaojiang Chen
20th USENIX Symposium on Networked Systems Design and Implementation
USENIX NSDI 2023, BOSTON, MA, USA
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@inproceedings{li2023rf,
title={$\{$RF-Bouncer$\}$: A Programmable Dual-band Metasurface for Sub-6 Wireless Networks},
author={Li, Xinyi and Feng, Chao and Wang, Xiaojing and Zhang, Yangfan and Xie, Yaxiong and Chen, Xiaojiang},
booktitle={20th USENIX Symposium on Networked Systems Design and Implementation (NSDI 23)},
pages={389--404},
year={2023}
}
[C2] Protego: Securing wireless communication via programmable metasurface
Xinyi Li*, 
Chao Feng*, 
Fengyi Song, 
Chenghan Jiang, 
Yangfan Zhang, 
Ke Li, 
Xinyu Zhang, 
and Xiaojiang Chen
Proceedings of the 28th Annual International Conference on Mobile Computing And Networking
ACM Mobicom 2022, InterContinental Sydney, Australia
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@inproceedings{li2022protego,
title={Protego: securing wireless communication via programmable metasurface},
author={Li, Xinyi and Feng, Chao and Song, Fengyi and Jiang, Chenghan and Zhang, Yangfan and Li, Ke and Zhang, Xinyu and Chen, Xiaojiang},
booktitle={Proceedings of the 28th Annual International Conference on Mobile Computing And Networking},
pages={55--68},
year={2022}
}
[C1] RFlens: Metasurface-Enabled Beamforming for IoT Communication and Sensing
Chao Feng*, 
Xinyi Li*, 
Yanfan Zhang, 
Jingxiao Wang, 
Liqiong Chang, 
Fuwei Wang, 
Xinyu Zhang, 
and Xiaojiang Chen
Proceedings of the 27th Annual International Conference on Mobile Computing and Networking
ACM Mobicom 2021, New Orleans, United States
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