Author

Xiao-Xiong Zhong

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Preprint Sep 2026

Windowed and Quantized Group-Based ADMM for Distributed Optimization in Heterogeneous Edge Networks

Distributed optimization in edge networks is constrained by heterogeneous client computing capabilities and limited communication resources. We propose the Windowed and Quantized Group-Based Alternating Direction Method of Multipliers (WQ-GADMM) to coordinate group updates under limited activation capacity and reduce c...

Gai-Guo Wei, Qing-Ying Zhang, He-Qiang Wang et al. · 0 citations

#large language models Nov 2026

Mix-or-Split: Latency-Aware Scheduling for Edge–Cloud LLM Inference

In this paper, we present a latency-aware scheduler for large-language-model (LLM) inference across mobile devices, edge servers, and a remote cloud. Our fine-grained delay model captures OFDMA uplink/downlink rates, KV-cache backhaul serialization, and profiled GPU planning-chunk resource constraints, enabling per-req...

Xinghan Wang, Xiao-Xiong Zhong, Wei-Hong Yang et al. · IEEE Transactions on Paralle... · 0 citations

Aug 2025

Mitigating Modality Quantity and Quality Imbalance in Multimodal Online Federated Learning

The Modality Quantity and Quality Rebalanced (QQR) algorithm is proposed, a prototype learning based method designed to operate in parallel with the training process and consistently outperforms benchmarks under modality imbalance conditions with promising learning performance.

Heqiang Wang, Weihong Yang, Xiaoxiong Zhong et al. · IEEE Transactions on Signal... · 4 citations