Computing
Efficient mobile and AI systems.
Sensor-in-the-loop AI agents, efficient AI serving systems, and edge computing.
Explore projects ↗Pittsburgh Experimental Research Group
Explore our research
Research
Sensing
Multi-modal sensing for human behavior and environment understanding.
Earable computing, mobile health, and egocentric vision systems.
Explore projects ↗Communication
Wireless digital twins for channel modeling and optimization.
Neural ray tracing, cross-link and cross-band modeling, and low-power wireless systems.
Explore projects ↗People
The group.
Current Members
Yongjie Yang5th year
PhD Student
Earable Computing
Tianyu Wang5th year
PhD Student
System for AI
Zhiwei Ren4th year
PhD Student
Sensor-in-the-loop AI Agent
Vaibhav Singh3rd year
PhD Student
Wireless Digital Twin
Junbo Li3rd year
PhD Student
System for AI
Hongbo Lan2nd year
PhD Student
Egocentric Vision System
Daiyang Yu2nd year
PhD Student
System for AI
Alumni
Zhenlin An
Postdoc → Assistant Professor, University of Georgia
Tao Chen
Postdoc → Senior Researcher, Samsung Research America
Maanya Shanker
Master’s Student → Software Engineer, Bloomberg
Haoyu Li
Master’s Student → PhD Student, TAMU
Yuxuan Zhang
Master’s Student → PhD Student, TAMU
Yujing Huang
Undergraduate Researcher → PhD Student, University at Buffalo
Niccolo Nobili
Undergraduate Student → Software Engineer, Proofpilot
Publications
Latest papers & preprints ↗Be My Ears: Enabling Semantic Alerting for Earphone Wearers with Pheme.
Zhiwei Ren, Yongjie Yang, Longfei Shangguan.
Paper: Coming soonE-Cube: Event Enhanced Efficient Video Streaming for Drones.
Paper ↗Efficient Structure-Guided 3D Physical Property Reasoning.
Paper ↗LeakyFeeder: In-Air Gesture Control Through Leaky Acoustic Waves.
Paper ↗Best Paper Nominee
Toward Sensor-In-the-Loop LLM Agent: Benchmarks and Implications.
Paper ↗More publications · 2022–2025
[DySPAN'25] RadioTwin: A Digital Building Material Twin for Wideband, Cross-link, Cross-band Wireless Channel Prediction
[IEEE Pervasive Computing, research brief] Towards Next-Generation Human Computer Interface Based On Earables
[MobiSys'24] Enabling Hands-Free Voice Assistant Activation on Earphones
[CHI'24] MAF: Exploring Mobile Acoustic Field for Hand-to-Face Gesture Interactions
[MobiCom'24] Exploring the Feasibility of Remote Cardiac Auscultation Using Earphones
[MobiCom'24] Exploring Biomagnetism for Inclusive Vital Sign Monitoring: Modeling and Implementation
[MobiCom'24] Map++: Towards User-Participatory Visual SLAM Systems with Efficient Map Expansion and Sharing
[MobiCom'23] Taming Event Cameras with Bio-Inspired Architecture and Algorithm: A Case for Drone Obstacle Avoidance
[MobiCom'23] APG: Audioplethysmography for Cardiac Monitoring in Hearables
[MobiCom'23] Towards Spatial Selection Transmission for Low-end IoT devices with SpotSound
[MobiCom'22] RF-Transformer: A Unified Backscatter Radio Hardware Abstraction
[NSDI'22] CurvingLoRa to Boost LoRa Network Throughput Through Concurrent Transmissions
[NSDI'22] SwarmMap: Scaling Up Real-time Collaborative Visual SLAM at the Edge
[NSDI'22] Saiyan: Design and Implementation of a Low-power Demodulator for LoRa Backscatter Systems
Group Life
News
From the group.
PERG group dinner. View photo ↗
Be My Ears was accepted to UIST 2026.
E-Cube was accepted to EuroSys 2026.
Earlier news
June 2025: LeakyFeeder was nominated for best paper at SenSys'25.
February 2025: awarded MassAITC Pilot Award! Thanks Massachusetts AI and Technology Center and National Institute on Aging (NIA).
January 2025: We visited Prof. Dame Diongue's group at Gaston Berger University, Senegal. What a wonderful trip!
November 2024: Asclepius won Best Paper Award at MobiCom'24!
September 2024: Wireless Digital Twin funded by Wireless and Spectrum program, thanks NSF.
August 2024: Thanks Meta for supporting our research on Sensor-in-the-loop AI agent.
March 2024: EarVoice accepted to MobiSys'24.
February 2024: CAREER Award! Thanks NSF.
January 2024: Mobile Acoustic Field (MAF) accepted to CHI'24.
November 2023: Asclepius, MagWear, and Map++ accepted to MobiCom'24.
October 2023: awarded the AIoTSys Young Scientist Award.
July 2023: Bio-inspired system design funded by CCSS program, thanks NSF.
June 2023: APG and BioDrone accepted to MobiCom'23 with shepherding.
April 2023: awarded a Google Research Scholar Award, thanks Google.
Research support
We gratefully acknowledge the organizations supporting our research.
