Conference Papers

[C10] L4Span: Spanning Congestion Signaling over NextG Networks for Interactive Applications
Haoran Wan, Kyle Jamieson
ACM CoNEXT 2025, Dec. 2025. [Code]

[C9] Automated, Cross-Layer Root Cause Analysis of 5G Video-Conferencing Quality Degradation
Fan Yi, Haoran Wan, Kyle Jamieson, Oliver Michel
ACM IMC 2025, Oct. 2025. [Code] [Dataset]

[C8] NR-Scope: A Practical 5G Standalone Telemetry Tool
Haoran Wan, Xuyang Cao, Alexander Marder, Kyle Jamieson
ACM CoNEXT 2024, Dec. 2024. [Code]

[C7] USee: Ultrasound-based Device-free Eye Movement Sensing
Wen Cheng, Mingzhi Pang, Haoran Wan, Shichen Dong, Dongxu Liu, Wei Wang
IEEE SECON 2024 (Best Paper Award!), Dec. 2024.

[C6] Athena: Seeing and Mitigating Wireless Impact on Video Conferencing and Beyond
Fan Yi, Haoran Wan, Kyle Jamieson, Jennifer Rexford, Yaxiong Xie, Oliver Michel
ACM HotNets 2024, Nov. 2024.

[C5] ALT: Boosting Deep Learning Performance by Breaking the Wall between Graph and Operator Level Optimizations
Zhiying Xu, Jiafan Xu, Hongding Peng, Wei Wang, Xiaoliang Wang, Haoran Wan, Haipeng Dai, Yixu Xu, Hao Cheng, Kun Wang, Guihai Chen
ACM EuroSys 2023, May 2023.

[C4] mSilent: Towards General Corpus Silent Speech Recognition using COTS mmWave Radar
Shang Zeng, Haoran Wan, Shuyu Shi, Wei Wang
ACM UbiComp/IMUWT 2023, Oct. 2023.

[C3] VECTOR: Velocity Based Temperature-field Monitoring with Distributed Acoustic Devices
Haoran Wan, Lei Wang, Ting Zhao, Ke Sun, Shuyu Shi, Haipeng Dai, Guihai Chen, Haodong Liu, Wei Wang
ACM UbiComp/IMUWT 2022 (Distinguished Paper Award, 8 out of 210!), Sep. 2022.

[C2] HeadTracker: Fine-grained Head Orientation Tracking System Based on Headphones
Jinpeng Song, Haipeng Dai, Shuyu Shi, Lei Wang, Haoran Wan, Zhizheng Yang, Fu Xiao, Guihai Chen
Springer WASA 2022 (Best Paper Award!), Aug. 2022.

[C1] RespTracker: Multi-user Room-scale Respiration Tracking with Commercial Acoustic Devices
Haoran Wan, Shuyu Shi, Wenyu Cao, Wei Wang, Guihai Chen
IEEE INFOCOM 2021, Apr. 2021.

Journal Papers

[J2] Multi-user Room-scale Respiration Tracking using COTS Acoustic Devices
Haoran Wan, Shuyu Shi, Wenyu Cao, Wei Wang, Guihai Chen
ACM TOSN, May 2023.

[J1] SCALAR: Self-Calibrated Acoustic Ranging for Distributed Mobile Devices
Lei Wang, Haoran Wan, Ting Zhao, Ke Sun, Shuyu Shi, Haipeng Dai, Guihai Chen, Haodong Liu, Wei Wang
IEEE TMC, Feb. 2023. [Demo]

Preprints

[P2] Automated, Cross-Layer Root Cause Analysis of 5G Video-Conferencing Quality Degradation
Fan Yi, Haoran Wan, Kyle Jamieson, Oliver Michel
Arxiv Preprint, May 2025.

[P1] Evolving Mobile Cloud Gaming with 5G Standalone Network Telemetry
Haoran Wan, Kyle Jamieson
Arxiv Preprint, Feb 2024.

Demos

[D1] Demo: Decoding Control Information Passively from Standalone 5G Network
Haoran Wan, Xuyang Cao, Alexander Marder, Kyle Jamieson
ACM Mobicom, Nov. 2024.

Posters

[P1] Understanding the Impact of Cellular RAN-induced Delay on Video Conferencing
Fan Yi, Oliver Michel, Haoran Wan, Kyle Jamieson
ACM Mobicom, Nov. 2024.