Xinyu Zhang@University of California San Diego

(A note about authors list: Underlined are students that I supervise. '*' marks co-primary authors.)

Magmaw: Modality-Agnostic Adversarial Attacks on Machine Learning-Based Wireless Communication Systems

Jung-Woo Chang, Ke Sun, Nasimeh Heydaribeni, Seira Hidano, Xinyu Zhang, Farinaz Koushanfar

Network and Distributed System Security Symposium (NDSS), 2025

MetaBioLiq: A Wearable Passive Metasurface Aided mmWave Sensing Platform for BioFluids

Baicheng Chen, John Nolan, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2024

M2HO: Mitigating the Adverse Effects of 5G Handovers on TCP

Zhutian Liu, Qing Deng, Zhaowei Tan, Zhiyun Qian, Xinyu Zhang, Ananthram Swami, Srikanth V. Krishnamurthy, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2024

RFMagus: Programming the Radio Environment With Networked Metasurfaces

Xinyi Li, Gaoteng Zhao, Ling Chen, Xinyu Zhang, Ju Ren

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2024

RISiren: Wireless Sensing System Attacks via Metasurface

Chenghan Jiang, Jinjiang Yang, Xinyi Li, Qi Li, Xinyu Zhang, Ju Ren

In ACM Conference on Computer and Communications Security (CCS), 2024

MetaLink: Extending Air-to-Water Wireless Communications Using Passive Bianisotropic Metasurfaces

John Nolan, Baicheng Chen, Xinyu Zhang

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2024

MetaSoil: Passive mmWave Metamaterial Multi-layer Soil Moisture Sensing

Baicheng Chen, John Nolan, Xinyu Zhang, Wan Du

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2024

Modeling RF Channel by Fusing Visual Priors and Few-shot RF measurements

Xingyu Chen, Zihao Feng, Ke Sun, Kun Qian, Xinyu Zhang

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2024

Enhancing mmWave Radar Sensing Using a Phased-MIMO Architecture

Kai Zheng, Wuqiong Zhao, Timothy Woodford, Renjie Zhao, Xinyu Zhang, Yingbo Hua

In ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2024

Multimodal Daily-Life Logging in Free-living Environment Using Non-Visual Egocentric Sensors on a Smartphone

Ke Sun, Chunyu Xia, Xinyu Zhang, Hao Chen, Charlie Jianzhong Zhang

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2024

KeyStub: A Passive RFID-based Keypad Interface Using Resonant Stubs

John Nolan, Kun Qian, Xinyu Zhang

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2024

RF Genesis: Zero-Shot Generalization of mmWave Sensing through Simulation-Based Data Synthesis and Generative Diffusion Models

Xingyu Chen, Xinyu Zhang

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2023

(Open-source model and dataset from RFGen.)

Metasight: High-Resolution NLoS Radar with Efficient Metasurface Encoding

Timothy Woodford, Kun Qian, Xinyu Zhang

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2023

NeuroRadar: A Neuromorphic Radar Sensor for Low-Power IoT Systems

Kai Zheng, Kun Qian, Timothy Woodford, Xinyu Zhang

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2023

(Best Paper Award)

UniScatter: a Metamaterial Backscatter Tag for Wideband Joint Communication and Radar Sensing

Kun Qian, Lulu Yao, Kai Zheng, Xinyu Zhang, Tina Ng

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2023

GPSMirror: Expanding Accurate GPS Positioning to Shadowed and Indoor Regions with Backscatter

Huixin Dong, Yirong Xie, Xianan Zhang, Wei Wang, Xinyu Zhang, Jianhua He

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2023

Structural Pseudocapacitors with Reinforced Interfaces to Increase Multifunctional Efficiency

Lulu Yao, Kai Zheng, Nandu Koripally, Naresh Eedugurala, Jason D. Azoulay, Xinyu Zhang, Tse Nga Ng

Science Advances, 2023

StealthyIMU: Stealing Permission-protected Private Information From Smartphone Voice Assistant Using Zero-Permission Sensors

Ke Sun, Chunyu Xia, Songlin Xu, Xinyu Zhang

Network and Distributed System Security Symposium (NDSS), 2023

(Open-source code and dataset from StealthyIMU.)

Augmenting Human Cognition with an AI-Mediated Intelligent Visual Feedback

Songlin Xu, Xinyu Zhang

ACM Conference on Human Factors in Computing Systems (CHI), 2023

SaTCP: Link-Layer Informed TCP Adaptation for Highly Dynamic LEO Satellite Networks

Xuyang Cao, Xinyu Zhang

In IEEE Conference on Computer Communications (INFOCOM), 2023

(Open-source LEO satellite network emulator LeoEM.)

SlimWiFi: Ultra-Low-Power IoT Radio Architecture Enabled by Asymmetric Communication

Renjie Zhao, Kejia Wang, Kai Zheng, Xinyu Zhang, Vincent Leung

In USENIX Symposium on Networked Systems Design and Implementation (NSDI), 2023

RF-Chord: Towards Deployable RFID Localization System for Logistic Networks

Bo Liang, Purui Wang, Renjie Zhao, Heyu Guo, Pengyu Zhang, Junchen Guo, Shunmin Zhu, Hongqiang Liu, Xinyu Zhang, Chenren Xu

In USENIX Symposium on Networked Systems Design and Implementation (NSDI), 2023

Mosaic: Leveraging Diverse Reflector Geometries for Omnidirectional Around-Corner Automotive Radar

Timothy Woodford, Xinyu Zhang, Eugene Chai, Karthikeyan Sundaresan

In ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2022

MilliMirror: 3D Printed Reflecting Surface for Millimeter-Wave Coverage Expansion

Kun Qian, Lulu Yao, Xinyu Zhang, Tina Ng

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2022

Protego: Securing Wireless Communication Via Programmable Metasurface

Xinyi Li, Chao Feng, Fengyi Song, Chenghan Jiang, Yangfan Zhang, Ke Li, Xinyu Zhang, Xiaojiang Chen

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2022

NeuroMessenger: Towards Error Tolerant Distributed Machine Learning Over Edge Networks

Song Wang, Xinyu Zhang

In IEEE Conference on Computer Communications (INFOCOM), 2022

RoS: Passive Smart Surface for Roadside-to-Vehicle Communication

John Nolan*, Kun Qian*, Xinyu Zhang

In Proceedings of the ACM Special Interest Group on Data Communication (SIGCOMM), 2021

(Hardware schematics and HFSS simulation code available upon request.)

HiveMind: Towards Cellular Native Machine Learning Model Splitting

Song Wang, Xinyu Zhang, Hiromasa Uchiyama, Hiroki Matsuda

IEEE Journal on Selected Areas in Communications (JSAC), 2021

The Invisible Shadow: How Security Cameras Leak Private Activities

Jian Gong, Xinyu Zhang, Ju Ren, Yaoxue Zhang

In ACM Conference on Computer and Communications Security (CCS), 2021

SpaceBeam: LiDAR-Driven One-Shot mmWave Beam Management

Timothy Woodford, Xinyu Zhang, Eugene Chai, Karthikeyan Sundaresan, Amir Khojastepour

In ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2021

Robust Multimodal Vehicle Detection in Foggy Weather using Complementary Lidar and Radar Signals

Kun Qian, Shilin Zhu, Xinyu Zhang, Li Erran Li

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2021

Source code and data set

UltraSE: Single-Channel Speech Enhancement Using Ultrasound

Ke Sun, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2021

Loki: Improving Long Tail Performance of Learning-Based Real-Time Video Adaptation by Fusing Rule-Based Models

Huanhuan Zhang, Anfu Zhou, Yuhan Hu, Chaoyue Li, Guangping Wang, Xinyu Zhang, Huadong Ma, Leilei Wu, Aiyun Chen, Changhui Wu

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2021

RFlens: Metasurface-Enabled Beamforming for IoT Communication and Sensing

Chao Feng, Xinyi Li, Yangfan Zhang, Xiaojing Wang, Liqiong Chang, Fuwei Wang, Xinyu Zhang, Xiaojiang Chen

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2021

ExGSense: Toward Facial Gesture Sensing and Reconstruction with a Sparse Near-Eye Sensor Array

Chen Chen, Ke Sun, Xinyu Zhang

In ACM/IEEE Conference on Information Processing in Sensor Networks (IPSN), 2021

Robust RF Vital Sign Sensing Under Free Body Movement

Jian Gong, Xinyu Zhang, Kaixin Lin, Ju Ren, Yaoxue Zhang, Wenxun Qiu

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2021

3D Point Cloud Generation with Millimeter-Wave Radar

Kun Qian, Zhaoyuan He, Xinyu Zhang

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2021

Robust Inertial Motion Tracking Through Deep Sensor Fusion Across Smart Earbuds And Smartphone

Jian Gong, Xinyu Zhang, Yuanjun Huang, Ju Ren, Yaoxue Zhang

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2021

(Source code and data set)

"Alexa, Stop Spying on Me!": Speech Privacy Protection Against Voice Assistants

Ke Sun, Chen Chen, Xinyu Zhang

In Proceedings of the ACM Conference on Embedded Networked Sensor Systems (SenSys), 2020

NFC+: Breaking NFC Networking Limits through Resonance Engineering

Renjie Zhao, Purui Wang, Xianshang Lin, Yunfei Ma, Pengyu Zhang, Hongqiang Harry Liu, Xinyu Zhang, Chenren Xu, Ming Zhang

In Proceedings of the ACM Special Interest Group on Data Communication (SIGCOMM), 2020

(54 out of 250 submissions, acceptance ratio: 22%)

Understanding Operational 5G: A First Measurement Study on Its Coverage, Performance and Energy Consumption

Dongzhu Xu, Anfu Zhou, Xinyu Zhang, Guixian Wang, Xi Liu, Congkai An, Yiming Shi, Liang Liu, Huadong Ma

In Proceedings of the ACM Special Interest Group on Data Communication (SIGCOMM), 2020

(54 out of 250 submissions, acceptance ratio: 22%)

Demystifying Millimeter-Wave V2X: Towards Robust and Efficient Directional Connectivity Under High Mobility

Jingqi Huang*, Song Wang*, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2020

(62 out of 384 submissions, acceptance ratio: 16%)

(Simulation code: 3D ray-tracing for mmWave V2X channel.)

OnRL: Improving Mobile Video Telephony via Online Reinforcement Learning

Huanhuan Zhang, Anfu Zhou, Jiamin Liu, Ruoxuan Ma, Yuhan Hu, Cong Li, Xinyu Zhang, Huadong Ma, Xiaojiang Chen

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2020

(62 out of 384 submissions, acceptance ratio: 16%)

M-Cube: A Millimeter-Wave Massive MIMO Software Radio

Renjie Zhao, Timothy Woodford, Teng Wei, Kun Qian, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2020

(Best Paper Award. 2 out of 384 submissions.)

(Check out our M-Cube open-source hardware. We have been distributing M-Cube replicas to the research community. Contact us if you are interested.)

X-Array: Approximating Omnidirectional Millimeter-Wave Coverage Using an Array of Phased Arrays

Song Wang*, Jingqi Huang*, Xinyu Zhang, Hyoil Kim, Sujit Dey

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2020

(62 out of 384 submissions, acceptance ratio: 16%)

Peer-to-Peer Localization for Single-Antenna Devices

Xianan Zhang, Wei Wang, Xuedou Xiao, Hang Yang, Xinyu Zhang, Tao Jiang

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2020

Robotic Millimeter-Wave Wireless Networks

Anfu Zhou, Shaoqing Xu, Song Wang, Jingqi Huang, Shaoyuan Yang, Teng Wei, Xinyu Zhang, Huadong Ma

In ACM/IEEE Transactions on Networking (ToN), 2020

Learning to Coordinate Video Codec with Transport Protocol for Mobile Video Telephony

Anfu Zhou, Huanhuan Zhang, Guangyuan Su, Leilei Wu, Ruoxuan Ma, Zhen Meng, Xinyu Zhang, Xiufeng Xie, Huadong Ma, Xiaojiang Chen

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2019

(55 out of 290 submissions, acceptance ratio: 19%)

Taprint: Secure Text Input for Commodity Smart Wearables

Wenqiang Chen, Lin Chen, Yandao Huang, Xinyu Zhang, Lu Wang, Rukhsana Ruby, Kaishun Wu

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2019

(55 out of 290 submissions, acceptance ratio: 19%)

Learning to Recognize Unmodified Lights with Invisible Features

Huanhuan Zhang, Anfu Zhou, Dongzhu Xu, Shaoqing Xu, Xinyu Zhang, Huadong Ma

In Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp), 2019

Robot Navigation in Radio Beam Space: Leveraging Robotic Intelligence for Seamless mmWave Network Coverage

Anfu Zhou, Shaoqing Xu, Song Wang, Jingqi Huang, Shaoyuan Yang, Teng Wei, Xinyu Zhang, Huadong Ma

In ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), 2019

Visible Light Localization Using Conventional Light Fixtures and Smartphones

Chi Zhang, Xinyu Zhang

In IEEE Transactions on Mobile Computing (TMC), 2019

FastND: Accelerating Directional Neighbor Discovery for 60 GHz Millimeter-Wave Wireless Networks

Anfu Zhou, Teng Wei, Huadong Ma, Xinyu Zhang

In ACM/IEEE Transactions on Networking (ToN), 2018

Towards Scalable and Ubiquitous Millimeter-Wave Wireless Networks

Sanjib Sur, Ioannis Pefkianakis, Xinyu Zhang, Kyu-Han Kim

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2018

(42 out of 187 submissions, acceptance ratio: 22%)

Conductive Inkjet Printed Passive 2D TrackPad for VR Interaction

Chuhan Gao, Xinyu Zhang, Suman Banerjee

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2018

(42 out of 187 submissions, acceptance ratio: 22%)

LiveTag: Sensing Human-Object Interaction Through Passive Chipless WiFi Tags

Chuhan Gao, Yilong Li, Xinyu Zhang

In USENIX Symposium on Networked Systems Design and Implementation (NSDI), 2018

(40 out of 252 submissions, acceptance ratio: 16%)

(One of the top papers highlighted in ACM GetMobile)

(Hardware schematics available upon request)

Following the Shadow: Agile 3-D Beam-Steering for 60 GHz Wireless Networks

Anfu Zhou, Leilei Wu, Shaoqing Xu, Huadong Ma, Teng Wei, Xinyu Zhang

In IEEE Conference on Computer Communications (INFOCOM), 2018

(309 out of 1606 submissions, acceptance ratio: 19%)

POI360: Panoramic Mobile Video Telephony over LTE Cellular Networks

Xiufeng Xie, Xinyu Zhang

In ACM International Conference on emerging Networking EXperiments and Technologies(CoNEXT), 2017

(40 out of 222 submissions, acceptance ratio: 18%)

Automating Visual Privacy Protection Using a Smart LED

Shilin Zhu*, Chi Zhang*, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2017

(35 out of 186 submissions, acceptance ratio: 19%)

(ACM SIGMOBILE Research Highlight! Communications of the ACM Research Highlight.)

Pulsar: Towards Ubiquitous Visible Light Localization

Chi Zhang, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2017

(35 out of 186 submissions, acceptance ratio: 19%)

WiFi-Assisted 60 GHz Networks

Sanjib Sur, Ioannis Pefkianakis, Xinyu Zhang, Kyu-Han Kim

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2017

(35 out of 186 submissions, acceptance ratio: 19%)

Pose Information Assisted 60 GHz Networks: Towards Seamless Coverage and Mobility Support

Teng Wei, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2017

(35 out of 186 submissions, acceptance ratio: 19%)

Facilitating Robust 60 GHz Network Deployment By Sensing Ambient Reflectors

Teng Wei, Anfu Zhou, Xinyu Zhang

In USENIX Symposium on Networked Systems Design and Implementation (NSDI), 2017

(46 out of 253 submissions, acceptance ratio: 18%)

Accelerating Mobile Web Loading Using Cellular Link Information

Xiufeng Xie, Xinyu Zhang, Shilin Zhu

In ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2017

(34 out of 188 submissions, acceptance ratio: 18%)

Enabling High-Precision Visible Light Localization in Today's Buildings

Shilin Zhu, Xinyu Zhang

In ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2017

(34 out of 188 submissions, acceptance ratio: 18%)

Beam-forecast: Facilitating Mobile 60 GHz Networks via Model-driven Beam Steering

Anfu Zhou, Xinyu Zhang, Huadong Ma

In IEEE Conference on Computer Communications (INFOCOM), 2017

(292 out of 1295 submissions, acceptance ratio: 21%)

LiTell: Robust Indoor Localization Using Unmodified Light Fixtures

Chi Zhang, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2016

(32 out of 226 submissions, acceptance ratio: 14%)

Gyro in the Air: Tracking 3D Orientation of Batteryless Internet-of-Things

Teng Wei, Xinyu Zhang

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2016

(32 out of 226 submissions, acceptance ratio: 14%)

(One of top 3 MobiCom'16 papers highlighted in ACM GetMobile)

OpenMili: A 60 GHz Software Radio Platform With a Reconfigurable Phased-Array Antenna

Jialiang Zhang, Xinyu Zhang, Pushkar Kulkarni, Parameswaran Ramanathan

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2016

(32 out of 226 submissions, acceptance ratio: 14%)

Practical MU-MIMO User Selection on 802.11ac Commodity Networks

Sanjib Sur, Ioannis Pefkianakis, Xinyu Zhang, Kyu-Han Kim

In ACM International Conference on Mobile Computing and Networking (MobiCom), 2016

(32 out of 226 submissions, acceptance ratio: 14%)

BeamSpy: Enabling Robust 60 GHz Links Under Blockage

Sanjib Sur, Xinyu Zhang, Parameswaran Ramanathan, Ranveer Chandra

In USENIX Symposium on Networked Systems Design and Implementation (NSDI), 2016

(45 out of 225 submissions, acceptance ratio: 20%)

Fundamental Analysis of Full-duplex Gains in Wireless Networks

Shu Wang, Vignesh Venkateswaran, Xinyu Zhang

In ACM/IEEE Transactions on Networking (ToN), 2016

Continuous and Fine-grained Breathing Volume Monitoring from Afar Using Wireless Signals

Phuc Nguyen, Xinyu Zhang, Ann Halbower, Tam Vu

In IEEE Conference on Computer Communications (INFOCOM), 2016

(300 out of 1644 submissions, acceptance ratio: 18%)

Random Access Signaling for Network MIMO Uplink

Teng Wei, Xinyu Zhang

In IEEE Conference on Computer Communications (INFOCOM), 2016

(300 out of 1644 submissions, acceptance ratio: 18%)

Scoping Environment for Robust 60 GHz Link Deployment (Invited Paper)

Sanjib Sur, Xinyu Zhang

In IEEE Information Theory and Applications Workshop (ITA), 2016

mTrack: High-Precision Passive Tracking Using Millimeter Wave Radios

Teng Wei, Xinyu Zhang