Research

Selected publications

My research spans global video infrastructure, multipath transport, wireless sensing, localization, and deeply embedded devices—with an emphasis on ideas that work outside the lab.

Archive

Research record

Google Scholar

* Corresponding author

01
ACM SIGCOMM2023Networks

Cellfusion: Multipath Vehicle-to-Cloud Video Streaming with Network Coding in the Wild

A production-oriented approach to resilient, high-quality vehicle video streaming across multiple cellular links.

Yunzhe Ni, Zhilong Zheng, Xianshang Lin, Fengyu Gao, Xuan Zeng, Yirui Liu, Guang Yang, Yuanchao Su, Dennis Cai, Harry Hongqiang Liu, Chenren Xu, Ennan Zhai, and Yunfei Ma

02
ACM SIGCOMM2023Networks

XRON: A Hybrid Elastic Cloud Overlay Network for Video Conferencing at Planetary Scale

An elastic overlay network designed for reliable, large-scale global video conferencing.

Bingyang Wu, Kun Qian, Bo Li, Yunfei Ma, Qi Zhang, Zhigang Jiang, Jiayu Zhao, Dennis Cai, Ennan Zhai, Xuanzhe Liu, and Xin Jin

03
ACM SIGCOMM2022Networks

GSO-Simulcast: Global Stream Orchestration in Simulcast Video Conferencing Services

Global orchestration that improves video quality and efficiency across large conferencing systems.

Xianshang Lin, Yunfei Ma, Junshao Zhang, Yao Cui, Jing Li, Shi Bai, Ziyue Zhang, Dennis Cai, Harry Hongqiang Liu, and Ming Zhang

04
IETF Working Group Draft2022Networks

Multipath Extension for QUIC

A standards-track extension enabling QUIC connections to use multiple network paths.

Yanmei Liu, Yunfei Ma, Quentin De Coninck, Olivier Bonaventure, Christian Huitema, and Mirja Kühlewind

05
ACM SIGCOMM2021Networks

XLINK: QoE-Driven Multi-Path QUIC Transport in Large-Scale Video Services

A production transport system that deployed Multipath QUIC to Taobao at scale and connects directly to my work as one of the authors of the IETF Multipath QUIC protocol.

Zhilong Zheng, Yunfei Ma, Yanmei Liu, Furong Yang, Zhenyu Li, Yuanbo Zhang, Jiuhai Zhang, Wei Shi, Wentao Chen, Ding Li, Qing An, Hai Hong, Hongqiang Harry Liu, and Ming Zhang

06
ACM MobiCom2021Wireless & sensing

HeadFi: Bringing Intelligence to All Headphones

Sensing and interaction techniques that work through conventional headphone hardware.

Xiaoran Fan, Longfei Shangguan, Siddharth Rupavatharam, Yanyong Zhang, Jie Xiong, Yunfei Ma, and Richard Howard

07
ACM SIGCOMM2020Wireless & sensing

NFC+: Breaking NFC Networking Limits Through Resonance Engineering

Resonance engineering that extends the reach and capabilities of NFC networking.

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

08
ACM MobiCom2020Wireless & sensing

Towards Flexible Wireless Charging for Medical Implants Using Distributed Antenna Systems

A distributed antenna approach for practical wireless power delivery to medical implants.

Xiaoran Fan, Longfei Shangguan, Richard Howard, Yanyong Zhang, Yao Peng, Jie Xiong, Yunfei Ma, and Xiang-Yang Li

09
USENIX NSDI2019Wireless & sensing

3D Backscatter Localization for Fine-Grained Robotics

Millimeter-scale tracking of tagged objects for fast, precise robotic manipulation.

Zhihong Luo, Qiping Zhang, Yunfei Ma, Manish Singh, and Fadel Adib

10
ACM SIGCOMM2018Wireless & sensing

Enabling Deep-Tissue Networking for Miniature Medical Devices

Wireless communication and power delivery for miniature devices deep inside the body.

Yunfei Ma, Zhihong Luo, Christoph Steiger, Giovanni Traverso, and Fadel Adib

11
ACM SIGCOMM2017Wireless & sensing

Drone Relays for Battery-Free Networks

Aerial relays that extend battery-free RFID networks without modifying deployed tags.

Yunfei Ma, Nicholas Selby, and Fadel Adib

12
ACM MobiCom2017Wireless & sensing

Minding the Billions: Ultra-Wideband Localization in Deployed RFID Tags

Fine-grained localization using the enormous base of already-deployed RFID tags.

Yunfei Ma, Nicholas Selby, and Fadel Adib

13
ACM MobiCom2016Wireless & sensing

3D Real-Time Indoor Localization via Broadband Nonlinear Backscatter in Passive Devices

Centimeter-precision 3D localization using passive nonlinear backscatter devices.

Yunfei Ma, Xiaonan Hui, and Edwin C. Kan