Publications

2026

1. Sigcomm’26

   Connecting 100K+ GPUs: Building the Communication Stack for Large-Scale LLM Training

   In Proceedings of the ACM SIGCOMM 2026 Conference, 2026

   Bib

   @inproceedings{ncclx-sigcomm,
     title = {Connecting 100K+ GPUs: Building the Communication Stack for Large-Scale LLM Training},
     booktitle = {Proceedings of the ACM SIGCOMM 2026 Conference},
     year = {2026}
   }

2. Sigcomm’26

   Queueless and Dropless Rate Control

   Ammar Tahir, Yongzhou Chen, and Radhika Mittal

   In Proceedings of the ACM SIGCOMM 2026 Conference, 2026

   Bib

   @inproceedings{qldl,
     title = {Queueless and Dropless Rate Control},
     author = {Tahir, Ammar and Chen, Yongzhou and Mittal, Radhika},
     booktitle = {Proceedings of the ACM SIGCOMM 2026 Conference},
     year = {2026}
   }

3. NINeS’26

   Performance Isolation for 5G RAN Slices while Managing Interference

   Muhammad Taimoor Tariq, Yongzhou Chen, Haitham Hassanieh, and 1 more author

   In New Ideas in Networked Systems 2026, 2026

   Bib HTML PDF

   @inproceedings{radioninja,
     title = {Performance Isolation for 5G RAN Slices while Managing Interference},
     author = {Tariq, Muhammad Taimoor and Chen, Yongzhou and Hassanieh, Haitham and Mittal, Radhika},
     booktitle = {New Ideas in Networked Systems 2026},
     year = {2026},
     url = {https://nines-conference.org/accepted},
   }

2025

1. arXiv

   Collective Communication for 100k+ GPUs

   Min Si, Pavan Balaji, Yongzhou Chen, and 4 more authors

   2025

   HTML
2. arXiv

   5G RAN Slicing with Load Balanced Handovers

   Yongzhou Chen, Muhammad Taimoor Tariq, Haitham Hassanieh, and 1 more author

   2025

2024

1. SEC’23

   Octopus: In-Network Content Adaptation to Control Congestion on 5G Links

   Yongzhou Chen, Ammar Tahir, Francis Y. Yan, and 1 more author

   In Proceedings of the Eighth ACM/IEEE Symposium on Edge Computing, 2024

   Bib HTML PDF Code

   @inproceedings{octopus,
     author = {Chen, Yongzhou and Tahir, Ammar and Yan, Francis Y. and Mittal, Radhika},
     title = {Octopus: In-Network Content Adaptation to Control Congestion on 5G Links},
     year = {2024},
     isbn = {9798400701238},
     publisher = {Association for Computing Machinery},
     address = {Wilmington, DE},
     url = {https://doi.org/10.1145/3583740.3628438},
     booktitle = {Proceedings of the Eighth ACM/IEEE Symposium on Edge Computing},
     pages = {199–214},
     numpages = {16},
   }

2023

1. MLSys’23(Workshop)

   FedSS: Federated Learning with Smart Selection of Clients

   Ammar Tahir^*, Yongzhou Chen^*, and Prashanti Nilayam

   In Federated Learning Systems (FLSys) Workshop @ MLSys 2023, 2023

   Bib HTML PDF

   @inproceedings{fedss,
     title = {Fed{SS}: Federated Learning with Smart Selection of Clients},
     author = {Tahir, Ammar and Chen, Yongzhou and Nilayam, Prashanti},
     booktitle = {Federated Learning Systems (FLSys) Workshop @ MLSys 2023},
     year = {2023},
     url = {https://openreview.net/forum?id=kSIJ3ScQ-e},
   }

2. NSDI’23

   Channel-Aware 5G RAN Slicing with Customizable Schedulers

   Yongzhou Chen, Ruihao Yao, Haitham Hassanieh, and 1 more author

   In 20th USENIX Symposium on Networked Systems Design and Implementation, Apr 2023

   Bib HTML PDF Code

   @inproceedings{radiosaber,
     author = {Chen, Yongzhou and Yao, Ruihao and Hassanieh, Haitham and Mittal, Radhika},
     title = {{Channel-Aware} 5G {RAN} Slicing with Customizable Schedulers},
     booktitle = {20th USENIX Symposium on Networked Systems Design and Implementation},
     year = {2023},
     isbn = {978-1-939133-33-5},
     address = {Boston, MA},
     pages = {1767--1782},
     url = {https://www.usenix.org/conference/nsdi23/presentation/chen-yongzhou},
     publisher = {USENIX Association},
     month = apr,
   }