Preprints

LᴏᴏɴɢX: Rᴇᴛʜɪɴᴋɪɴɢ Rᴀɴᴅᴏᴍ Gʀᴀᴩʜꜱ ꜰᴏʀ AI Tʀᴀɪɴɪɴɢ Cʟᴜꜱᴛᴇʀꜱ

Heng Xu, Yiming Lei, Jialong Sun, Ying Zhou, Yiting Xia, Jialong Li

Submission, 2026

Hyacinth: Electrical Tail Completion for MoE Inference over Optical Interconnects

Heng Xu, Ying Zhou, Zhonghua Peng, Jialong Sun, Yang Jiao, Jialong Li

IEEE Transactions on Networking (ToN, CCF-A), 2026, submission

DECO: An Edge Collaborative Framework for Congestion Control in Mobile Uplinks

Heng Xu, Jialong Li, Danyang Zheng, Letian Li

IEEE Transactions on Mobile Computing (TMC, CCF-A), 2026, submission

Published

Gsched: Coordinated Flow-Control and Priority Scheduling for DNN Training in AI Cluster

Heng Xu, Chengze Du, Zhiwei Yu, Letian Li, Ying Zhou, Bo Liu, Jialong Li

IEEE Transactions on Network Science and Engineering (TNSE, JCR-Q1), 2026

Distributed Flow Control for Efficient DNN Training Scheduling

Heng Xu, Chengze Du, Zhiwei Yu, Letian Li, Ying Zhou, Bo Liu, Jialong Li

IEEE Transactions on Network and Service Management (TNSM, JCR-Q1), 2026

RailS: Load Balancing for All-to-All Communication in Distributed Mixture-of-Experts Training

Heng Xu, Zhiwei Yu, Chengze Du, Ying Zhou, Letian Li, Haojie Wang, Weiqiang Cheng, Jialong Li

IEEE Transactions on Networking (ToN, CCF-A), 2026

Congestion Control as a Service: Towards Low Latency Mobile Uploading

Heng Xu, Letian Li, Liang Wang, Fei Song

International Symposium on Quality of Service (IWQoS, CCF-B), 2024

KerDqn: Deep Reinforcement Learning Enhanced Congestion Control in Kernel

Heng Xu, Liang Wang, Fei Song

IEEE International Conference on Communications (ICC, CCF-C), 2024