Pengyu Zhang


I am a postdoc researcher at Stanford working with Sachin Katti. I received my Ph.D. from UMass Amherst. My advisor was Deepak Ganesan. I received my bachelor and master from Tsinghua University.
I design and build embedded systems and wireless systems for applications in the Internet-of-Things.

Email: zhangelsu@gmail.com

Conference Publications

[C24] RF-CHORD: Towards Deployable RFID Localization System for Logistics Network
Bo Liang, Purui Wang, Renjie Zhao, Heyu Guo, Pengyu Zhang, Junchen Guo, Shunming Zhu, Hongqiang Harry Liu, Xinyu Zhang, Chenren Xu
NSDI 2023

[C23] NFC+: Breaking NFC Networking Limits Through Resonance Engineering
Renjie Zhao (Co-primary), Purui Wang (Co-primary), Yunfei Ma, Pengyu Zhang, Hongqiang Liu, Xianshang Lin, Xinyu Zhang, Chenren Xu and Ming Zhang
SIGCOMM 2020

[C22] BackCam: Wireless computer vision using commodity radios
Colleen Josephson, Lei Yang, Pengyu Zhang, Sachin Katti
IPSN 2019

[C21] Smartphone App Usage Prediction Using Points of Interest
Donghan Yu, Yong Li, Fengli Xu, Pengyu Zhang, Vassilis Kostakos
UbiComp 2018

[C20] FreeRider: Backscatter Communication Using Commodity Radios
Pengyu Zhang, Colleen Josephson, Dinesh Bharadia, Sachin Katti
CoNEXT 2017

[C19] Localizing Low-power Backscatter Tags Using Commodity WiFi
Manikanta Kotaru, Pengyu Zhang, Sachin Katti
CoNEXT 2017

[C18] Glimpse: A Programmable Early-Discard Camera Architecture for Continuous Mobile Vision
Saman Naderiparizi, Pengyu Zhang, Matthai Philipose, Bodhi Priyantha, Jie Liu, Deepak Ganesan
MobiSys 2017
Best Paper Award Nominee

[C17] Trajectory Recovery From Ash: User Privacy Is NOT Preserved in Aggregated Mobility Data
Fengli Xu, Zhen Tu, Yong Li, Pengyu Zhang, Xiaoming Fu, Depeng Jin
WWW 2017

[C16] HitchHike: Practical Backscatter using Commodity WiFi
Pengyu Zhang (Co-primary), Dinesh Bharadia (Co-primary), Kiran Joshi, Sachin Katti
SenSys 2016
Best Paper Award Nominee
Press cover: Stanford News, ACM TechNews, ECN, Science Blog, Pace Today, North Dallas Gazette, New Electronics, RFID Journal, NFC World, etc.

[C15] Context-aware Real-time Population Estimation for Metropolis
Fengli Xu, Jie Feng, Pengyu Zhang, Yong Li
UbiComp 2016
Honorable Mention Award.

[C14] Enabling Practical Backscatter Communication for On-body Sensors
Pengyu Zhang, Mohammad Rostami, Pan Hu, Deepak Ganesan
SIGCOMM 2016

[C13] Braidio: An Integrated Active-Passive Radio for Mobile Devices with Asymmetric Energy Budgets
Pan Hu, Pengyu Zhang, Mohammad Rostami, Deepak Ganesan
SIGCOMM 2016
Press cover: Science Daily, Energy Harvesting Journal, PHYS, Elektor Magazine, Electronics360, etc.

[C12] Understanding Mobile Traffic Patterns of Large Scale Cellular Towers in Urban Environment
Huandong Wang, Fengli Xu, Yong Li, Pengyu Zhang, Depeng Jin
IMC 2015 - long paper

[C11] Laissez-Faire: Fully asymmetric backscatter communication
Pan Hu, Pengyu Zhang, Deepak Ganesan
SIGCOMM 2015

[C10] Leveraging Interleaved Signal Edges for Concurrent Backscatter
Pan Hu, Pengyu Zhang, Deepak Ganesan
Proceedings of the 2014 ACM Workshop on Hot Topics in Wireless

[C9] EkhoNet: High Speed Ultra Low-power Backscatter for Next Generation Sensors
Pengyu Zhang, Pan Hu, Vijay Pasikanti, Deepak Ganesan
Mobicom 2014
Best paper award runner up.

[C8] Enabling Bit-by-Bit Backscatter Communication in Severe Energy Harvesting Environments
Pengyu Zhang, Deepak Ganesan
NSDI 2014

[C7] QuarkOS: Pushing the operating limits of micro-powered sensors
Pengyu Zhang, Deepak Ganesan, Boyan Lu
HotOS XIV

[C6] EnGuard: Protection of NFC Interactions on a Mobile Phone
Jeremy Gummeson, Bodhi Priyantha, Deepak Ganesan, Derek Thrasher, Pengyu Zhang
MobiSys 2013

[C5] BLINK: A High Throughput Link Layer for Backscatter Communication
Pengyu Zhang, Jeremy Gummeson, Deepak Ganesan
MobiSys 2012

[C4] Flit: A Bulk Transmission Protocol for RFID-Scale Sensors
Jeremy Gummeson, Pengyu Zhang, Deepak Ganesan
MobiSys 2012

[C3] Analyzing Amplify-and-Forward and Decode-and-Forward Cooperative Strategies in Wyner's Channel Model
Pengyu Zhang, Jian Yuan, Jianshu Chen, Jian Wang, Jin Yang
WCNC 2009

[C2] An Orthogonal Projection Based Blind Beamformer for DS-CDMA Systems
Jianshu Chen, Jian Wang, Pengyu Zhang, Jian Yuan and Xiuming Shan
SAM 2008

[C1] An Orthogonal Projection Approach for Blind Beamforming in Multipath CDMA channels
Jianshu Chen, Jian Wang, Pengyu Zhang, Jian Yuan and Xiuming Shan
CNSR 2008


Journal Publications

[J3] Understanding Mobile Traffic Patterns of Large Scale Cellular Towers in Urban Environment
Fengli Xu, Yong Li, Huandong Wang, Pengyu Zhang, Depeng Jin
IEEE/ACM Transactions on Networking 2016

[J2] Leveraging Interleaved Signal Edges for Concurrent Backscatter
Pan Hu, Pengyu Zhang, Deepak Ganesan
ACM SIGMOBILE Mobile Computing and Communications Review (MC2R) 2015

[J1] EkhoNet: High-Speed Ultra Low-Power Backscatter for Next Generation Sensors
Pengyu Zhang, Pan Hu, Vijay Pasikanti, Deepak Ganesan
GetMobile: Mobile Computing and Communications 2015


Demos and Posters

[D2] Enabling Backscatter Communication among Commodity WiFi Radios
Pengyu Zhang, Dinesh Bharadia, Kiran Joshi, Sachin Katti
SIGCOMM 2016

[D1] Embedded NFC protection and forensics for mobile phones with EnGarde
Jeremy Gummeson, Bodhi Priyantha, Deepak Ganesan, Derek Thrasher, Pengyu Zhang
MobiSys 2013


PhD Thesis

Leveraging Backscatter For Ultra-Low Power Wireless Sensing Systems
Pengyu Zhang
2016
ACM SIGMOBILE Doctoral Dissertation Award 2016
Outstanding Doctoral Dissertation Award at UMass Amherst 2016